CN2740868Y - Press connected ventilating pipeline of crossed trough - Google Patents
Press connected ventilating pipeline of crossed trough Download PDFInfo
- Publication number
- CN2740868Y CN2740868Y CN 200420117336 CN200420117336U CN2740868Y CN 2740868 Y CN2740868 Y CN 2740868Y CN 200420117336 CN200420117336 CN 200420117336 CN 200420117336 U CN200420117336 U CN 200420117336U CN 2740868 Y CN2740868 Y CN 2740868Y
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- CN
- China
- Prior art keywords
- trough
- crossed
- crossed trough
- airduct
- pipeline
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- 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.)
- Expired - Fee Related
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Abstract
The utility model provides the press connected ventilating pipeline of a crossed trough for including a ventilation and air conditioning engineering pipeline system. A non-inflammable type inorganic glass fiber reinforced plastic wind pipe without a flange, a crossed trough (U-shaped trough), a flexible rubber plate and bolts are pressed as well as connected to form the press connected ventilating pipeline of a crossed trough. The pipe nodes of the wind pipe have reusing performances, which can save metal bolts about 70%, and saves the space heights of an occupied house about 100 mm. When installing, the adjustment of errors on site is convenient, obsolete pipe nodes are reduced, constructing cost is saved, constructing speed is effectively raised, and the pollution of wastes for environment is also decreased.
Description
Affiliated technical field
The utility model relates to a kind of fire-retardant type inorganic glass fibre reinforced plastics ventilation pipeline.
Background technique
At present, known fire-retardant type inorganic glass fibre reinforced plastics ventilation pipeline (or claims inorganic glass fibre reinforced plastic blast pipe, the fire prevention airduct) come out five certainly during the last ten years, the structural type of its tube coupling (by technical specifications such as certain production, transportation, construction with a segment pipe of ventilation system pipeline sectional making) is the flange integrated type.Tube coupling is that flange and body are linked to be indivisible integral body when making moulding.During construction, form the air pipeline system with linking to each other with metal bolts between the flange of adjacent tube coupling and flange.
Because the production of design of the drawing of ventilation system pipeline and pipeline is with the error that can be difficult to avoid in the engineering construction reality.In the installation process, when the part tube coupling does not meet field requirement because of length dimension, can only discard, do for supplement on request again again.So not only incur loss through delay the duration, also wasted material, increased cost.
The tube coupling of making by flange integrated type pipeline configuration form is a part special use specially for the engineering ventilation system, does not possess recycling property.The die cost height, labor intensity is relatively large, the also difficult control of quality of product; Waste product is more in the engineering construction, also need use a large amount of metal bolts.In addition, this kind structural form requires also bigger to intensity, the shock resistance of flange.Referring to the industry standard JC646-1996 of State Bureau of Building Materials Industry, the industry standard JG/T117-1999 of nation-building portion.
Summary of the invention
In order to overcome the deficiency of existing flange integrated type fire-retardant type inorganic glass fibre reinforced plastics ventilation pipeline, the utility model provides a kind of crossed trough press connected type fire-retardant type inorganic glass fibre reinforced plastics ventilation pipeline.This airduct has not only changed the structural form and the connecting means of existing airduct, and can also increase the recycling property of inorganic glass fibre reinforced plastic blast pipe tube coupling, reduces discarded airduct.Simultaneously can save a large amount of metal bolts, improve speed of application.
The technological scheme that its technical problem that solves the utility model adopts is: the airduct tube coupling of making is not managed orchid, other makes two identical crossed troughs (U type groove), the internal orifice size of crossed trough is greater than the collar extension size 4mm of airduct body, wall thickness is 1.5 times of body standard wall thickness, and length is 200～300mm.During installation, paste the thick flexible offset plate of 4mm at crossed trough inwall edge, two crossed troughs are clipped two adjacent joint airducts in opposite directions coincide, in preformed hole, tighting a bolt gets final product with the bolt string.Tube coupling after moulding when its length dimension does not meet construction requirement, can carry out " sanction ", " connecing " adjustment according to field condition.If promptly tube coupling length surpasses the on-the-spot length that needs, staying with the unnecessary part of cutting machine cutting-out is that it is used; If the tube coupling curtailment is then got suitable tube coupling and is got final product with the crossed trough connection from standby airduct.
The beneficial effects of the utility model are, have increased the recycling property of airduct tube coupling, and unnecessary tube coupling is recycling in other position of this ventilation system or Other Engineering.Improved the mechanical property of pipeline configuration.Appearance quality and wall thickness that airduct is made are effectively controlled, regular size energy part industrialized production, and installation quality also is guaranteed easily.Can save about 70% metal bolts.Because of can't be blue, save and take floor space height 100 millimeter.Make things convenient for the adjustment of alignment error, alleviated labor intensity, improved speed of application.Reduce discarded airduct pollution on the environment, also reduced construction cost simultaneously.
Description of drawings
Below in conjunction with drawings and Examples the utility model is further specified.
Fig. 1 is a stereogram of the present utility model.
Fig. 2 is a crossed trough detailed perspective of the present utility model.
Fig. 3 is a plane view.
Fig. 4 is positive elevational view.
Fig. 5 is I---the I sectional view.
Fig. 6 is II---the II sectional view.
1. airduct A among the figure, 2. crossed trough a, 3. crossed trough b, 4. airduct B, 5. flexible offset plate, 6. bolt.
Embodiment
In Fig. 1, edge pastes flexible offset plate (5) in crossed trough a (2), crossed trough b (3) earlier, crossed trough b (3) opening is upwards placed ground level, end with airduct A (1) is pressed into the interior middle position of crossed trough b (3) then, end with airduct B (4) is pressed into adjacent airduct A (1) in the crossed trough b (3) again, the crossed trough a (2) that closes, tight a bolt (6) get final product.
Claims (1)
- A kind of crossed trough press connected type ventilation duct by the corresponding fire-retardant type inorganic glass fibre reinforced plastics ventilation pipeline of the more piece heating ventilation and air-conditioning pipe-line system that is formed by connecting, is characterized in that: airduct can't be blue, and the connection between the airduct tube coupling is formed by crossed trough (U type groove) component crimping.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420117336 CN2740868Y (en) | 2004-11-11 | 2004-11-11 | Press connected ventilating pipeline of crossed trough |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420117336 CN2740868Y (en) | 2004-11-11 | 2004-11-11 | Press connected ventilating pipeline of crossed trough |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2740868Y true CN2740868Y (en) | 2005-11-16 |
Family
ID=35351158
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420117336 Expired - Fee Related CN2740868Y (en) | 2004-11-11 | 2004-11-11 | Press connected ventilating pipeline of crossed trough |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2740868Y (en) |
-
2004
- 2004-11-11 CN CN 200420117336 patent/CN2740868Y/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |