CN212004534U - Vortex type noise reduction respirator - Google Patents
Vortex type noise reduction respirator Download PDFInfo
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- CN212004534U CN212004534U CN201922212236.2U CN201922212236U CN212004534U CN 212004534 U CN212004534 U CN 212004534U CN 201922212236 U CN201922212236 U CN 201922212236U CN 212004534 U CN212004534 U CN 212004534U
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- noise reduction
- vortex
- scroll
- inner cavity
- noise
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Abstract
The utility model discloses a vortex formula noise reduction respirator belongs to the respirator field, including first noise reduction case and second noise reduction case, first noise reduction case with set up about the second noise reduction case, first noise reduction case with be equipped with first vortex baffle and the second vortex baffle that vertical cross-section is the vortex form in the second noise reduction incasement respectively, first noise reduction case is equipped with intake pipe and exhaust hole, the second noise reduction case is equipped with inlet port and blast pipe. High-speed gas gets into first noise reduction body through the intake pipe, discharge from the exhaust hole behind the first noise reduction case, then get into the second noise reduction case from the inlet port, discharge from the blast pipe again, set up first vortex baffle and second vortex baffle in first noise reduction case and second noise reduction case respectively, play the effect that blocks to gas, realized the noise reduction, buffer gas, the function of the inside and outside atmospheric pressure of balance, adopt the first vortex baffle of vortex form and second vortex baffle to replace prior art's labyrinth structure, the cushioning effect is better.
Description
Technical Field
The utility model relates to a field especially relates to a vortex formula noise reduction respirator.
Background
The existing respirator is generally a labyrinth respirator with two cavities, gas enters from one cavity, is exhausted from an exhaust small hole after passing through a labyrinth structure, then enters from an air inlet small hole into the other cavity, and is exhausted from an exhaust port after passing through the labyrinth structure of the other cavity, so that the gas is buffered, but the labyrinth respirator is short in flowing distance of the gas in the respirator and poor in buffering effect on the gas.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an effectual vortex respirator of noise reduction.
To achieve the purpose, the utility model adopts the following technical proposal:
the utility model provides a vortex formula noise reduction respirator, includes first noise reduction case and second noise reduction case, first noise reduction case with set up about the second noise reduction case, first noise reduction case with be equipped with first vortex baffle and the second vortex baffle that vertical cross-section is the vortex form in the second noise reduction case respectively, first noise reduction case is equipped with intake pipe and exhaust hole, the second noise reduction case is equipped with inlet port and blast pipe.
High-speed gas gets into first noise reduction body through the intake pipe, discharge from the exhaust hole behind the first noise reduction case, then get into the second noise reduction case from the inlet port, discharge from the blast pipe again, set up first vortex baffle and second vortex baffle in first noise reduction case and second noise reduction case respectively, play the effect that blocks to gas, realized the noise reduction, buffer gas, the function of the inside and outside atmospheric pressure of balance, adopt the first vortex baffle of vortex form and second vortex baffle to replace prior art's labyrinth structure, the cushioning effect is better.
Preferably, a first middle partition plate is arranged in the middle of the first noise reduction box, the first middle partition plate divides the first noise reduction box into a first vortex inner cavity and a second vortex inner cavity, the first vortex inner cavity is communicated with the second vortex inner cavity, the air inlet pipe is communicated with the first vortex inner cavity, and the exhaust hole is communicated with the second vortex inner cavity.
Be equipped with first intermediate bottom and divide first noise reduction case into first vortex inner chamber and second vortex inner chamber two parts, make gaseous rethread second vortex inner chamber admit air secondary buffering after the buffering through first vortex inner chamber, reinforcing gaseous buffering effect.
Preferably, the first intermediate partition plate is provided with a first through hole, and the first through hole corresponds to the center of a vortex line of the first vortex baffle.
The first through hole is arranged to correspond to the center of the vortex line of the first vortex baffle, so that the gas can flow for the maximum distance in the first noise reduction box, and the gas buffering effect is guaranteed.
Preferably, the air inlet pipe and the exhaust hole both correspond to a vortex line opening of the first vortex baffle.
Set up intake pipe and exhaust hole and all correspond with the vortex line opening part of first vortex baffle, realize that gaseous can flow the biggest distance in first noise reduction case, guarantee the effect of gaseous buffering.
Preferably, a second middle partition plate is arranged in the middle of the second noise reduction box, the second middle partition plate divides the second noise reduction box into a third vortex inner cavity and a fourth vortex inner cavity, the third vortex inner cavity is communicated with the fourth vortex inner cavity, the exhaust pipe is communicated with the fourth vortex inner cavity, and the air inlet hole is communicated with the third vortex inner cavity.
The second middle partition plate is arranged to divide the second noise reduction box into a third vortex inner cavity and a fourth vortex inner cavity, so that gas is buffered by the third vortex inner cavity and then is fed into the fourth vortex inner cavity for multiple times of buffering, and the buffering effect of the gas is enhanced.
Preferably, the second intermediate partition is provided with a second through hole, and the second through hole corresponds to the center of the vortex line of the second vortex baffle.
The second through hole is arranged to correspond to the center of the vortex line of the second vortex baffle, so that the gas can flow for the maximum distance in the second noise reduction box, and the gas buffering effect is guaranteed.
Preferably, the exhaust pipe and the air inlet hole correspond to the opening of the vortex line of the second vortex baffle.
Set up blast pipe and exhaust hole and all correspond with the vortex line opening part of first vortex baffle, realize that gaseous can flow the biggest distance in second noise reduction case, guarantee the effect of gaseous buffering.
Preferably, the noise reduction device further comprises a connecting column, the first noise reduction box is arranged at one end of the connecting column, and the second noise reduction box is arranged at the other end of the connecting column.
Be equipped with the spliced pole and be connected with first noise reduction case and second noise reduction case respectively, avoid the outer wall of first noise reduction case and the outer wall direct touch of second noise reduction case to cause the during operation mutual high temperature, cause the heat transfer, increased the area of contact of the outer wall of first noise reduction case and second noise reduction case and air, do benefit to the heat dissipation.
The utility model has the advantages that: high-speed gas gets into first noise reduction body through the intake pipe, discharge from the exhaust hole behind the first noise reduction case, then get into the second noise reduction case from the inlet port, discharge from the blast pipe again, set up first vortex baffle and second vortex baffle in first noise reduction case and second noise reduction case respectively, play the effect that blocks to gas, realized the noise reduction, buffer gas, the function of the inside and outside atmospheric pressure of balance, adopt the first vortex baffle of vortex form and second vortex baffle to replace prior art's labyrinth structure, the cushioning effect is better.
Drawings
The accompanying drawings are provided to further illustrate the present invention, but the content in the accompanying drawings does not constitute any limitation to the present invention.
Fig. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is a side cross-sectional view of the present invention;
fig. 3 is a front view of the present invention;
FIG. 4 is a cross-sectional view of section A of FIG. 3;
FIG. 5 is a cross-sectional view of section B of FIG. 3;
FIG. 6 is a cross-sectional view of section C of FIG. 3;
fig. 7 is a sectional view of the D section of fig. 3.
Wherein: the first noise reduction box 1, the second noise reduction box 2, the first vortex baffle 11, the second vortex baffle 21, the air inlet pipe 12, the air outlet hole 13, the air inlet hole 22, the air outlet pipe 23, the first middle partition plate 14, the first vortex inner cavity 141, the second vortex inner cavity 142, the first through hole 143, the second middle partition plate 24, the third vortex inner cavity 241, the fourth vortex inner cavity 242, the second through hole 243 and the connecting column 3.
Detailed Description
The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.
The scroll type noise reduction respirator of the embodiment is shown in fig. 1 and 3 and comprises a first noise reduction box 1 and a second noise reduction box 2, wherein the first noise reduction box 1 and the second noise reduction box 2 are arranged on the left and right sides, a first scroll baffle 11 and a second scroll baffle 21 with vertical sections being in scroll shapes are respectively arranged in the first noise reduction box 1 and the second noise reduction box 2, the first noise reduction box 1 is provided with an air inlet pipe 12 and an air outlet hole 13, and the second noise reduction box 2 is provided with an air inlet hole 22 and an air outlet pipe 23.
High-speed gas enters a first noise reduction body through the gas inlet pipe 12, the high-speed gas is discharged from the exhaust hole 13 after passing through the first noise reduction box 1, then the high-speed gas enters the second noise reduction box 2 from the gas inlet hole 22, the high-speed gas is discharged from the exhaust pipe 23, the first vortex baffle 11 and the second vortex baffle 21 are respectively arranged in the first noise reduction box 1 and the second noise reduction box 2, the gas is blocked, the noise reduction is realized, buffer gas and the function of balancing the internal and external air pressure, the first vortex baffle 11 and the second vortex baffle 21 which adopt the vortex shape replace the labyrinth structure in the prior art, and the buffering effect is better.
As shown in fig. 2 and 4-7, a first middle partition plate 14 is disposed in the middle of the first noise reduction box 1, the first middle partition plate 14 partitions the first noise reduction box 1 into a first scroll inner cavity 141 and a second scroll inner cavity 142, the first scroll inner cavity 141 is communicated with the second scroll inner cavity 142, the air inlet pipe 12 is communicated with the first scroll inner cavity 141, and the air outlet hole 13 is communicated with the second scroll inner cavity 142.
The first middle partition plate 14 is arranged to divide the first noise reduction box 1 into a first vortex inner cavity 141 and a second vortex inner cavity 142, so that gas is buffered by the first vortex inner cavity 141 and then enters the second vortex inner cavity 142 for secondary buffering, and the buffering effect of the gas is enhanced.
The first intermediate partition 14 is provided with a first through hole 143, and the first through hole 143 corresponds to the center of the vortex line of the first vortex baffle 11.
The first through hole 143 is arranged to correspond to the center of the vortex line of the first vortex baffle 11, so that the gas can flow for the maximum distance in the first noise reduction box 1, and the gas buffering effect is ensured.
The air inlet pipe 12 and the air outlet hole 13 both correspond to the opening of the vortex line of the first vortex baffle 11.
Set up intake pipe 12 and exhaust hole 13 and all correspond with the vortex line opening part of first vortex baffle 11, realize that gaseous can flow the biggest distance in first noise reduction case 1, guarantee the effect of gaseous buffering.
The middle part of the second noise reduction box 2 is provided with a second middle partition plate 24, the second middle partition plate 24 divides the second noise reduction box 2 into a third scroll inner cavity 241 and a fourth scroll inner cavity 242, the third scroll inner cavity 241 is communicated with the fourth scroll inner cavity 242, the exhaust pipe 23 is communicated with the fourth scroll inner cavity 242, and the air inlet hole 22 is communicated with the third scroll inner cavity 241.
The second middle partition plate 24 is arranged to divide the second noise reduction box 2 into a third vortex inner cavity 241 and a fourth vortex inner cavity 242, so that gas is buffered by the third vortex inner cavity 241 and then is fed into the fourth vortex inner cavity 242 for buffering for multiple times, and the buffering effect of the gas is enhanced.
The second intermediate partition 24 is provided with a second through hole 243, and the second through hole 243 corresponds to the center of the vortex line of the second vortex baffle 21.
The second through hole 243 is arranged to correspond to the center of the vortex line of the second vortex baffle 21, so that the gas can flow for the maximum distance in the second noise reduction box 2, and the gas buffering effect is ensured.
The exhaust pipe 23 and the air inlet hole 22 correspond to the opening of the vortex line of the second vortex baffle 21.
Set up blast pipe 23 and exhaust hole 13 and all correspond with the vortex line opening part of first vortex baffle 11, realize that gaseous can flow the biggest distance in second noise reduction case 2, guarantee the effect of gaseous buffering.
The noise reduction device is characterized by further comprising a connecting column 3, wherein the first noise reduction box 1 is arranged at one end of the connecting column 3, and the second noise reduction box 2 is arranged at the other end of the connecting column 3.
Be equipped with spliced pole 3 and be connected with first noise reduction case 1 and second noise reduction case 2 respectively, avoid the outer wall of first noise reduction case 1 and the outer wall direct touch of second noise reduction case 2 to cause the during operation mutual high temperature, cause the heat transfer, increased the area of contact of the outer wall of first noise reduction case 1 and second noise reduction case 2 and air, do benefit to the heat dissipation.
The technical principle of the present invention is described above with reference to specific embodiments. The description is made for the purpose of illustrating the principles of the invention and should not be construed in any way as limiting the scope of the invention. Based on the explanations herein, those skilled in the art will be able to conceive of other embodiments of the present invention without any inventive effort, which would fall within the scope of the present invention.
Claims (8)
1. The vortex type noise reduction respirator is characterized by comprising a first noise reduction box and a second noise reduction box, wherein the first noise reduction box and the second noise reduction box are arranged on the left and right sides, a first vortex baffle and a second vortex baffle are respectively arranged in the first noise reduction box and the second noise reduction box, the vertical sections of the first vortex baffle and the second vortex baffle are vortex-shaped, the first noise reduction box is provided with an air inlet pipe and an air outlet hole, and the second noise reduction box is provided with an air inlet hole and an air outlet pipe.
2. The scroll type noise-reducing respirator of claim 1, wherein a first middle partition plate is arranged in the middle of the first noise-reducing box, the first middle partition plate divides the first noise-reducing box into a first scroll inner cavity and a second scroll inner cavity, the first scroll inner cavity is communicated with the second scroll inner cavity, the air inlet pipe is communicated with the first scroll inner cavity, and the air outlet hole is communicated with the second scroll inner cavity.
3. The scroll type noise-reducing respirator of claim 2, wherein the first intermediate partition is provided with a first through hole, and the first through hole corresponds to the center of the vortex line of the first vortex baffle.
4. The scroll noise reducing respirator of claim 2, wherein the inlet duct and the exhaust vent each correspond to a scroll line opening of the first scroll baffle.
5. The scroll type noise-reducing respirator of claim 1, wherein a second middle partition plate is arranged in the middle of the second noise-reducing box, the second middle partition plate divides the second noise-reducing box into a third scroll inner cavity and a fourth scroll inner cavity, the third scroll inner cavity is communicated with the fourth scroll inner cavity, the exhaust pipe is communicated with the fourth scroll inner cavity, and the air inlet hole is communicated with the third scroll inner cavity.
6. The scroll type noise-reducing respirator of claim 5, wherein the second intermediate partition is provided with a second through hole, and the second through hole corresponds to the center of the vortex line of the second vortex baffle.
7. The scroll noise reducing respirator of claim 2, wherein the exhaust duct and the inlet aperture each correspond to a scroll line opening of the second scroll baffle.
8. The scroll noise reducing respirator of claim 1, further comprising an attachment post, wherein the first noise reducing box is disposed at one end of the attachment post and the second noise reducing box is disposed at the other end of the attachment post.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922212236.2U CN212004534U (en) | 2019-12-11 | 2019-12-11 | Vortex type noise reduction respirator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922212236.2U CN212004534U (en) | 2019-12-11 | 2019-12-11 | Vortex type noise reduction respirator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212004534U true CN212004534U (en) | 2020-11-24 |
Family
ID=73407888
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922212236.2U Expired - Fee Related CN212004534U (en) | 2019-12-11 | 2019-12-11 | Vortex type noise reduction respirator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212004534U (en) |
-
2019
- 2019-12-11 CN CN201922212236.2U patent/CN212004534U/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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201124 Termination date: 20211211 |