CN104420628A - Chamfered building ventilation and exhaust duct - Google Patents
Chamfered building ventilation and exhaust duct Download PDFInfo
- Publication number
- CN104420628A CN104420628A CN201310393865.4A CN201310393865A CN104420628A CN 104420628 A CN104420628 A CN 104420628A CN 201310393865 A CN201310393865 A CN 201310393865A CN 104420628 A CN104420628 A CN 104420628A
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- CN
- China
- Prior art keywords
- extract duct
- building ventilation
- exhaust duct
- main body
- duct body
- 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.)
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Abstract
The invention discloses a chamfered building ventilation and exhaust duct. The chamfered building ventilation and exhaust duct is characterized in that an exhaust duct body is a rectangle cavity duct, the end face of the exhaust duct body is perpendicular to the outer wall surface of the duct body, reinforcing ribs are arranged in at least one of four edges of the exhaust duct body, a reinforcing rib is arranged in at least one of junctions of the inner walls of the exhaust duct body, reinforcing ribs are arranged in all the combination positions of any edges and any inner wall junctions of the exhaust duct body, each inner wall junction is a 45-degree chamfer, a fireproof check valve mounting reserved hole is arranged in one side of the exhaust duct body, and the rectangle is either oblong or square. The chamfered building ventilation and exhaust duct is stressed vertically and has the advantages of high strength, fire proofness, water proofness, light weight and the like.
Description
Technical field
The present invention relates to a kind of chamfering building ventilation extract duct.
Background technology
There is the technical problem that Vertical Compression power is little, resident family's living safety rank is low in the product of existing building particularly under house kitchen, washroom and public domain partial ventilation extract duct standard-required.
Summary of the invention
For solving above-mentioned existing shortcoming, main purpose of the present invention is the chamfering building ventilation extract duct providing a kind of practicality, improves the Vertical Compression of constructure ventilation extract duct, has good strength, the features such as fire prevention, waterproof, light weight.
For reaching above-described object, following technical scheme taked by a kind of chamfering building ventilation extract duct of the present invention:
A kind of chamfering building ventilation extract duct, it is characterized in that, described extract duct main body is rectangular enclosure pipeline, and its end face and pipe main body outside wall surface perpendicular.
In four limits of described extract duct main body, in having at least, reinforcing rib is set.
The inwall intersection of described extract duct main body, has at least in a place and arranges reinforcing rib.
In any limit of described extract duct main body and combination place of any inwall intersection, all reinforcing rib is set.
Described inwall intersection is 45 ° of chamferings.
Described extract duct main body side arranges fire-preventing check valve and installs preformed hole.
Described rectangle is rectangle.
Described rectangle is square.
Adopt the present invention of as above technical scheme, there is following beneficial effect:
Improve the Vertical Compression of constructure ventilation extract duct, there is good strength, the features such as fire prevention, waterproof, light weight.
Accompanying drawing explanation
Fig. 1 is embodiments of the invention one structural representations.
Fig. 2 is embodiments of the invention two structural representations.
Detailed description of the invention
In order to further illustrate the present invention, be described further below in conjunction with accompanying drawing:
Embodiment one
As shown in Figure 1, a kind of chamfering building ventilation extract duct of the present invention, adopt rectangular cavity pipeline as extract duct main body 1, its inwall intersection 2 is 45 ° of chamferings, end face and pipe main body outside wall surface perpendicular.In two limits of extract duct main body 1, in four inwall intersections 2, be all provided with reinforcing rib 3.Extract duct main body 1 side arranges fire-preventing check valve and installs preformed hole 4.
Embodiment two
As shown in Figure 2, a kind of chamfering building ventilation extract duct of the present invention, adopt square cavities pipeline as extract duct main body 1, its inwall intersection 2 is 45 ° of chamferings, end face and pipe main body outside wall surface perpendicular.Reinforcing rib 3 is provided with in four inwall intersections 2 of extract duct main body 1.Extract duct main body 1 side arranges fire-preventing check valve and installs preformed hole 4.
This programme improves the Vertical Compression of constructure ventilation extract duct, ensure that building body vented exhaust quality, improves working stamndard.
It is more than the explanation to the specific embodiment of the invention, this programme not only limits in the embodiment above, the such as setting of reinforcing rib 3 orientation and quantity, except the arranging of embodiment, also can arrange on other limit or intersection, and combination place of any limit and any inwall intersection is arranged, magnitude setting is not also limited with one.All will fall in scope for any change made under this programme inventive concept.
Claims (8)
1. a chamfering building ventilation extract duct, is characterized in that, described extract duct main body is rectangular enclosure pipeline, and its end face and pipe main body outside wall surface perpendicular.
2. a kind of chamfering building ventilation extract duct according to claim 1, is characterized in that, in four limits of described extract duct main body, arrange reinforcing rib in having at least.
3. a kind of chamfering building ventilation extract duct according to claim 1, it is characterized in that, the inwall intersection of described extract duct main body, has at least in a place and arranges reinforcing rib.
4. a kind of chamfering building ventilation extract duct according to Claims 2 or 3, is characterized in that, all arranges reinforcing rib in any limit of described extract duct main body and combination place of any inwall intersection.
5. a kind of chamfering building ventilation extract duct according to claim 3, is characterized in that, described inwall intersection is 45 ° of chamferings.
6. a kind of chamfering building ventilation extract duct according to claim 1, is characterized in that, described extract duct main body side arranges fire-preventing check valve and installs preformed hole.
7. a kind of chamfering building ventilation extract duct according to claim 1, it is characterized in that, described rectangle is rectangle.
8. a kind of chamfering building ventilation extract duct according to claim 1, is characterized in that, described rectangle is square.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310393865.4A CN104420628A (en) | 2013-09-03 | 2013-09-03 | Chamfered building ventilation and exhaust duct |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310393865.4A CN104420628A (en) | 2013-09-03 | 2013-09-03 | Chamfered building ventilation and exhaust duct |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104420628A true CN104420628A (en) | 2015-03-18 |
Family
ID=52970683
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310393865.4A Pending CN104420628A (en) | 2013-09-03 | 2013-09-03 | Chamfered building ventilation and exhaust duct |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104420628A (en) |
-
2013
- 2013-09-03 CN CN201310393865.4A patent/CN104420628A/en active Pending
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150318 |