CN202745965U - Nitrogen making machine silencer - Google Patents
Nitrogen making machine silencer Download PDFInfo
- Publication number
- CN202745965U CN202745965U CN 201220407029 CN201220407029U CN202745965U CN 202745965 U CN202745965 U CN 202745965U CN 201220407029 CN201220407029 CN 201220407029 CN 201220407029 U CN201220407029 U CN 201220407029U CN 202745965 U CN202745965 U CN 202745965U
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- hush pipe
- baffler
- cover plate
- lower cover
- pipe
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Abstract
The utility model discloses a nitrogen making machine silencer. The nitrogen making machine silencer is provided with a tube-shaped shell, and silencing cotton is laid on the inner surface of the shell. The shell is respectively provided with a silencer upper cover plate connected with an air outlet pipeline, a silencer lower cover plate connected with an air inlet pipe and a silencing barrel fixed on the inner surface of the silencer lower cover plate, wherein a plurality of inner silencing barrels arranged in multiple layers are arranged in the silencing barrel, and each inner silencing barrel is fixed on the inner surface of the silencer lower cover plate. Enriched oxygen induced from the air inlet pipe firstly enters into the inner silencing barrel in the innermost layer and then sequentially enters into the inner silencing barrels in outer layers after being silenced by the inner silencing barrel in the innermost layer. By means of a simple structure, the nitrogen making machine silencer not only can reduce noises produced by a nitrogen making machine greatly but also can reduce secondary noises caused by a too-small air outlet, and shape structure of the nitrogen making machine silencer can not be affected and the phenomenon of inconvenient placement can not occur.
Description
Technical field
The utility model relates to a kind of nitrogen generator baffler, relates in particular to a kind of baffler that is applied to the varying-voltage adsorption nitrogen machine of middle depot.
Background technique
Existing varying-voltage adsorption nitrogen machine structure all comparing class seemingly, although the sound in the time of can more effectively subduing exhaust because the restriction of existing muffler structure mainly has following defective:
1. the inside of baffler only has one deck hush pipe, cuts noise reduced effect limited;
2. the air outlet diameter of baffler is seriously less than normal with respect to the diameter of baffler;
3. owing to only having one deck hush pipe, the air speed of going out in the hush pipe is fast, and is very large to the impact of noise reduction sponge, causes often baffler to be opened and changes the noise reduction sponge, caused no small waste; Open too frequently baffler sealing is also had suitable impact.
The model utility content
The utility model is for the proposition of above problem, and develops a kind of nitrogen generator baffler, and have: the housing of tubulose, the internal surface of this housing are laid with silencing cotton;
The top and bottom of described housing have respectively: with through hole, the baffler upper cover plate that is connected with outlet pipe and
With through hole, the baffler lower cover plate that is connected with suction tude; The common chamber that forms of described housing, baffler upper cover plate and baffler lower cover plate;
The inside of this chamber has: with the hush pipe of a plurality of through holes, hush pipe is fixed on the internal surface of described baffler lower cover plate;
Described hush pipe inside has a plurality of interior hush pipe that multilayer arranges, and hush pipe is fixed on the internal surface of described baffler lower cover plate in each; By the oxygen rich air that described suction tude is introduced, at first enter the interior hush pipe of innermost layer, after the interior hush pipe noise reduction of innermost layer, enter successively outer field interior hush pipe, enter described chamber by described hush pipe at last, by described outlet pipe output.
Described outlet pipe comprises: be positioned at the reducer fitting of baffler upper cover plate top, the major part of this reducer fitting is fixedly connected with the baffler upper cover plate; The microcephaly of reducer fitting is connected with elbow, is connected with the air outlet flange at the other end of described elbow.
Described reducer fitting is the isosceles reducer fitting.
The outer surface of described hush pipe wraps up at least one deck Stainless Steel Cloth, and this Stainless Steel Cloth is tied up the outer surface that is fixed on described hush pipe by galvanized wire.
Described hush pipe is the 3rd hush pipe, and section has the second hush pipe within it, and the inside of this second hush pipe has the first hush pipe; Described the first hush pipe, the second noise reduction with and the coaxial internal surface that is fixed on described baffler lower cover plate of the 3rd hush pipe on; Described the first hush pipe is fixedly connected with suction tude, and the suction tude internal diameter is identical with the internal diameter of described the first hush pipe.
Described the first hush pipe has the prolongation pipeline section, and this prolongation pipeline section is described suction tude.
Described the first hush pipe, the second hush pipe are identical with the length of the 3rd hush pipe, have plectane above described three hush pipes, being fixedly connected with described plectane of described the first hush pipe, the second hush pipe and the 3rd hush pipe.
Inwall at the two ends of described housing is welded with respectively a positioning ring, and described positioning ring has a plurality of through holes; The through hole that a plurality of through holes that described baffler lower cover plate and baffler upper cover plate have with described positioning ring has match, described baffler lower cover plate and baffler upper cover plate lay respectively at the outside of positioning ring, are fixedly connected with described positioning ring by bolt.Be filled with rubber pad between baffler lower cover plate and baffler upper cover plate and the described positioning ring.
Owing to having adopted technique scheme, a kind of nitrogen generator baffler that the utility model provides, realized by a kind of simple structure, can significantly subdue the noise that nitrogen generator produces, can reduce the quadratic noise that brings because the air outlet is too small again, and can not affect the form structure of nitrogen generator baffler and place the device of inconvenience.Because it is simple in structure, not only be convenient to produce, and cost is very cheap is suitable for extensive popularization.
Description of drawings
Technological scheme for clearer explanation embodiment of the present utility model or prior art, the below will do one to the accompanying drawing of required use in embodiment or the description of the Prior Art and introduce simply, apparently, accompanying drawing in the following describes only is embodiments more of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is perspective view of the present utility model
Fig. 2 is the plan view of the utility model the first hush pipe
Fig. 3 is the unfolded drawing of the utility model the first hush pipe
Fig. 4 is the plan view of the utility model baffler upper cover plate
Fig. 5 is the side view of the utility model baffler upper cover plate
Fig. 6 is the plan view of the utility model baffler lower cover plate
Fig. 7 is the side view of the utility model baffler lower cover plate
Fig. 8 is the plan view of the utility model baffler positioning plate
Fig. 9 is the side view of the utility model baffler positioning plate
Figure 10 is the plan view of the utility model baffler upper cover plate and isosceles reducer fitting coupled condition
Figure 11 is the plan view of the utility model the second hush pipe
Figure 12 is the unfolded drawing of the utility model the second hush pipe
Figure 13 is the plan view of the utility model the 3rd hush pipe
Figure 14 is the unfolded drawing of the utility model the 3rd hush pipe
Among the figure: 1. flange, 2. the first hush pipe, 3. baffler lower cover plate, 4. positioning ring, 5. shell, 6. silencing cotton, 7. the second hush pipe, 8. the 3rd hush pipe, 9. plectane, 10. rubber pad, 11, baffler upper cover plate, 12. bolts, 13. spring washers, 14. isosceles reducer fittings, 15. elbows, 16. flanges, 17. galvanized wires, 18. Stainless Steel Cloths, 19. suction tude, 20. chambers.
Embodiment
For the purpose, technological scheme and the advantage that make embodiment of the present utility model is clearer, below in conjunction with the accompanying drawing among the utility model embodiment, the technological scheme among the utility model embodiment is known complete description:
Such as Fig. 1-shown in Figure 14: a kind of nitrogen generator baffler, the housing 5 that mainly has tubulose, common this housing 5 is cylindrical tube, in order effectively to cut down noise, be covered with housing 5 inner surface areas at the internal surface of this housing 5 and equate, and the silencing cotton 6 of even thickness, effectively absorption of noise.
The two ends, top of housing 5 are respectively equipped with baffler upper cover plate 3 and baffler lower cover plate 4, as shown in the figure: upper and lower cover plates all is provided with through hole, described baffler upper cover plate 3 is connected with outlet pipe 21, baffler lower cover plate 4 is connected with suction tude 19, described housing 5, baffler upper cover plate 3 and the baffler lower cover plate 4 common chambers 20 that form.During work, the oxygen rich air of strong noise enters the nitrogen generator baffler by suction tude 19 through the through hole of baffler lower cover plate 4, and behind the elimination noise, oxygen rich air enters outlet pipe 21 through the through hole of baffler upper cover plate 3, and then is imported into other containers or output.
Inside at chamber 20 is provided with hush pipe, the surface of this hush pipe has equally distributed through hole, in order further to increase the erasure effect of hush pipe, adopted the hush pipe with multi-layer structure in this practical information, i.e. hush pipe in the inside of hush pipe is provided with the multilayer that has equally a plurality of equally distributed through holes, interior hush pipe wraps up layer by layer, forms the multilayer noise-reducing structure.Hush pipe is welded on the internal surface of described baffler lower cover plate 3 in each, as long as satisfy the diameter of interior hush pipe of innermost layer greater than the through hole of described baffler lower cover plate 3, the oxygen rich air of namely being introduced by described suction tude 19, at first enter the interior hush pipe of innermost layer, after the interior hush pipe noise reduction of innermost layer, enter successively outer field interior hush pipe, enter described chamber 20 by described hush pipe at last and get final product, last oxygen rich air is by outlet pipe 21 outputs.
The air outlet diameter of existing nitrogen generator baffler is less, can produce the secondary noise.Preferably, described outlet pipe 21 comprises: be positioned at the reducer fitting 14 of baffler upper cover plate 11 tops, the major part of this reducer fitting 14 is fixedly connected with baffler upper cover plate 11, the size of major part is consistent with the clear size of opening that baffler upper cover plate 11 has, and as shown in the figure, the clear size of opening that baffler upper cover plate 11 has itself is larger, approaches the internal diameter with whole shell 5.The air outlet diameter of whole like this nitrogen generator is very large, has effectively avoided further having reduced the overall noise of whole nitrogen generator baffler because of the little quadratic noise that causes of air outlet neck.Simultaneously, can connect the elbow 15 with air outlet flange 16 above the microcephaly of reducer fitting 14, this elbow 15 can be elbow bend, conveniently is connected with other containers or pipeline.
Further, through test, isosceles reducer fitting 14, compared to other reducer fittings, gas by the time noise that produces less.Therefore the utility model uses the isosceles reducer fitting.
In order to strengthen the effect of sound-deadening and noise-reducing, preferred, the hush pipe in described chamber 20, described is that the outer surface roll forming of outermost hush pipe has at least one deck Stainless Steel Cloth 18, uses galvanized wire 17 that Stainless Steel Cloth 18 is banded on the hush pipe.This result is convenient for changing when regular maintenance, also can not produce the problems such as corrosion simultaneously.
For the thickness that limits described silencing cotton 6 and the sealing of the whole baffler of enhanced leaktightness, especially the sealing between described baffler lower cover plate 3 and baffler upper cover plate 11 and the housing 5, preferably, two ends at described housing 5, namely two openings respectively are welded with respectively a positioning ring 4, the external diameter of this positioning ring 4 is identical with the internal diameter of described housing 5, the internal diameter integral solder of the edge of positioning ring 4 and housing 5, the edge and the housing 5 that are whole positioning ring 4 have complete circumferential weld, have good tightness.Positioning ring 4 has a plurality of bolts hole, and same baffler lower cover plate 3 and baffler upper cover plate 11 also are provided with the bolt hole that matches, and positioning ring 4 and described baffler lower cover plate 3 are connected bolt and are connected with the baffler upper cover plate.
Further, in order to strengthen baffler lower cover plate 3 and baffler upper cover plate 11 and the tightness between the positioning ring 4 separately, at described baffler lower cover plate 3 and baffler upper cover plate 11 and be provided with separately rubber pad 10 between the positioning ring 4.
Embodiment 1.
As shown in the figure, described hush pipe has three-decker, and outermost hush pipe is the 3rd hush pipe 8, and the inside of section with the second hush pipe 7, the second hush pipes 7 has the first hush pipe 2 within it.Described the first hush pipe 2, the second noise reduction are fixed on the internal surface of described baffler lower cover plate 4 with the 7 and the 3rd hush pipe 8 coaxial welding.
Described the first hush pipe 2, the second hush pipe 7 are identical with the length of the 3rd hush pipe 8, are adding man-hour, can choose three contour, not isometric sheet metals, at the every equally distributed noise reduction through hole of the same size of sheet metal processing.Three sheet metals are surrounded the different hollow cylinder of diameter, be weldingly fixed on respectively on the described baffler lower cover plate 3.
Further, in order to increase the noise reduction area, avoid high-speed gas directly to be gone out by the cylinder end of hush pipe and reduce erasure effect, above described hush pipe, be provided with a plectane 9, the diameter of this plectane 9 is not less than the diameter of described the 3rd hush pipe 8, and the upper end of described the first hush pipe 2, the second hush pipe 7 and the 3rd hush pipe 8 and described plectane 9 are welded and fixed and get final product.
Further, the internal diameter of suction tude 19 is consistent with the internal diameter size of described the first hush pipe 2, and is mutually permanently connected.In the course of working of reality, suction tude 19 can be wholely set with described the first hush pipe 2, and namely the first hush pipe 2 has the prolongation pipeline section, when finishing assembling, this prolongation pipeline section stretches out the through hole of the baffler lower cover plate 3 of described baffler, as the suction tude 19 of whole baffler.During work, the oxygen rich air 19 of being introduced by described suction tude 19 directly enters in the first hush pipe 2.
The above; it only is the better embodiment of the utility model; but protection domain of the present utility model is not limited to this; anyly be familiar with those skilled in the art in the technical scope that the utility model discloses; be equal to replacement or change according to the technical solution of the utility model and model utility design thereof, all should be encompassed within the protection domain of the present utility model.
Claims (9)
1. nitrogen generator baffler is characterized in that having: the housing of tubulose (5), and the internal surface of this housing (5) is laid with silencing cotton (6);
The top and bottom of described housing (5) have respectively: with through hole, the baffler upper cover plate (11) that is connected with outlet pipe (21) and
With through hole, the baffler lower cover plate (3) that is connected with suction tude (19); Described housing (5), baffler upper cover plate (11) and baffler lower cover plate (3) form a chamber (20) jointly;
The inside of this chamber (20) has: with the hush pipe of a plurality of through holes, the lower end of hush pipe is fixed on the internal surface of described baffler lower cover plate (3);
Described hush pipe inside has a plurality of interior hush pipe that multilayer arranges, and the lower end of hush pipe is fixed on the internal surface of described baffler lower cover plate (3) in each; Nitrogen by described suction tude (19) introducing, at first enter the interior hush pipe of innermost layer, after the interior hush pipe noise reduction of innermost layer, enter successively outer field interior hush pipe, enter described chamber (20) by described hush pipe at last, exported by described outlet pipe (21).
2. a kind of nitrogen generator baffler according to claim 1, be further characterized in that: described outlet pipe (21) comprising: be positioned at the reducer fitting (14) of baffler upper cover plate (11) top, the major part of this reducer fitting (14) is fixedly connected with baffler upper cover plate (11); The microcephaly of reducer fitting (14) is connected with elbow (15), is connected with air outlet flange (16) at the other end of described elbow (15).
3. a kind of nitrogen generator baffler according to claim 2, be further characterized in that: described reducer fitting (14) is the isosceles reducer fitting.
4. a kind of nitrogen generator baffler according to claim 1, be further characterized in that: the outer surface of described hush pipe wraps up at least one deck Stainless Steel Cloth (18), and this Stainless Steel Cloth (18) is tied up the outer surface that is fixed on described hush pipe by galvanized wire (17).
5. a kind of nitrogen generator baffler according to claim 1, be further characterized in that: described hush pipe is the 3rd hush pipe (8), and its inside has the second hush pipe (7), and the inside of this second hush pipe (7) has the first hush pipe (2); Described the first hush pipe (2), the second noise reduction are with on the coaxial internal surface that is fixed on described baffler lower cover plate (3) of (7) and the 3rd hush pipe (8); Described the first hush pipe (2) is fixedly connected with suction tude (19), and suction tude (19) internal diameter is identical with the internal diameter of described the first hush pipe (2).
6. a kind of nitrogen generator baffler according to claim 5, be further characterized in that: described the first hush pipe (2) has the prolongation pipeline section, and this prolongation pipeline section is described suction tude (19).
7. a kind of nitrogen generator baffler according to claim 5, be further characterized in that: described the first hush pipe (2), the second hush pipe (7) are identical with the length of the 3rd hush pipe (8), above described three hush pipes, has plectane (9), being fixedly connected with described plectane (9) of described the first hush pipe (2), the second hush pipe (7) and the 3rd hush pipe (8).
8. a kind of nitrogen generator baffler according to claim 1 is further characterized in that: the inwall at the two ends of described housing (5) respectively is welded with respectively a positioning ring (4), and described positioning ring (4) has a plurality of bolts hole; Described baffler lower cover plate (3) and baffler upper cover plate (11) have the bolt hole that a plurality of through holes of having with described positioning ring (4) match, described baffler lower cover plate (3) and baffler upper cover plate (11) lay respectively at the outside of positioning ring (4), are fixedly connected with described positioning ring (4) by bolt.
9. a kind of nitrogen generator baffler according to claim 8 is further characterized in that: be filled with rubber pad (10) between baffler lower cover plate (3) and baffler upper cover plate (11) and the described positioning ring (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220407029 CN202745965U (en) | 2012-08-16 | 2012-08-16 | Nitrogen making machine silencer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220407029 CN202745965U (en) | 2012-08-16 | 2012-08-16 | Nitrogen making machine silencer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202745965U true CN202745965U (en) | 2013-02-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220407029 Expired - Fee Related CN202745965U (en) | 2012-08-16 | 2012-08-16 | Nitrogen making machine silencer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202745965U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103742412A (en) * | 2014-01-14 | 2014-04-23 | 云南大红山管道有限公司 | Water-ring vacuum pump exhaust pipe noise eliminating device |
| CN106219494A (en) * | 2016-07-18 | 2016-12-14 | 合肥美菱净化设备有限公司 | A kind of exhaust and muffler tube of medical oxygen generator |
| CN108729983A (en) * | 2018-04-23 | 2018-11-02 | 浙江工贸职业技术学院 | A kind of automobile exhaust muffler |
-
2012
- 2012-08-16 CN CN 201220407029 patent/CN202745965U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103742412A (en) * | 2014-01-14 | 2014-04-23 | 云南大红山管道有限公司 | Water-ring vacuum pump exhaust pipe noise eliminating device |
| CN103742412B (en) * | 2014-01-14 | 2016-01-27 | 云南大红山管道有限公司 | A kind of Nash hytor outlet pipe noise absorber |
| CN106219494A (en) * | 2016-07-18 | 2016-12-14 | 合肥美菱净化设备有限公司 | A kind of exhaust and muffler tube of medical oxygen generator |
| CN108729983A (en) * | 2018-04-23 | 2018-11-02 | 浙江工贸职业技术学院 | A kind of automobile exhaust muffler |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130220 Termination date: 20180816 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |