CN2367881Y - Fire-retardent heat-insulation ventilating pipeline - Google Patents
Fire-retardent heat-insulation ventilating pipeline Download PDFInfo
- Publication number
- CN2367881Y CN2367881Y CN 99220372 CN99220372U CN2367881Y CN 2367881 Y CN2367881 Y CN 2367881Y CN 99220372 CN99220372 CN 99220372 CN 99220372 U CN99220372 U CN 99220372U CN 2367881 Y CN2367881 Y CN 2367881Y
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- China
- Prior art keywords
- utility
- model
- main pipe
- fire
- adhesive
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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 relates to a fire-retardent heat-insulation ventilating pipeline. The utility model is characterized in that both ends of four glass fibre reinforced plastics composite boards (1) are provided with staircase-shaped slots; butt-joint surfaces are bonded by adhesive; the connection between main pipes forms a socket joint connection; a hoisting frame (3) composed of four sections is arranged on the connection part. The utility model has the advantages of obvious execution condition improvement, increased efficiency of construction, high sealing performance and low air leak rate; the utility model is used for conveniently hoisting reinforced sectional steel, and the effect is good.
Description
The utility model relates to the ventilation duct that a kind of building field uses.
Ventilation duct of the prior art, a kind of is to be welded with the zinc coated sheet cold chisel at the construction field (site).Construction is complicated, influences project progress, difficult quality guarantee, and cost height; With glass fibre reinforced plastics is prefabricated forming, and the airduct caliber is big, and it is big to take up room, and transports difficult cost height.And inner wall coarse, resistance coefficient is big.These two kinds of products have a common shortcoming: in the construction and installation process, also need apply wrapped multiple heat-insulation and heat-preservation material on the airduct, and carry out behind the airduct hoisted in position.Therefore labor intensity is big, execution conditions are poor, work efficiency is low; And existing assembly type ventilation duct performance is bad, and inleakage is big.
It is little that the purpose of this utility model provides a kind of resistance coefficient, and good seal performance is easy to transportation and installs, and construction is simple, the ventilation duct that cost is low.
For reaching above-mentioned purpose, take following technological scheme: the utility model includes four glass fibre reinforced plastics composite sheets, and there is step type slot at four glass fibre reinforced plastics composite sheet 1 two ends, and the butt joint end slot matches each other, and has adhesive bonding on the interface, reinforces by screw 2 in addition; Connecting between the main pipe is bayonet joint, and there is step type slot at the socket joint place, and adhesive is arranged on the groove face, reinforces by screw 2 in addition; The hanger frame of forming by four blocks of section bars in the joint 3, hanger frame 3 is spirally connected with main pipe; It is bayonet joint that branch pipe(tube) 4 is connected with main pipe flange 5, and there is step type slot at the socket joint place, and adhesive is arranged on the groove face, reinforces by screw 2 in addition.
By above technological scheme, alleviated labor intensity, give and install, transport and bring very big facility, improved execution conditions, improved efficiency of construction; Be board-like tube wall when production is manufactured, inner wall smooth is smooth, and resistance coefficient is little, and docking port adds binder, tighten up with special connection again, like this good seal performance, do not leak out; The shaped steel that is used to reinforce is hung conveniently, and effective.
Below in conjunction with drawings and Examples the utility model is described in further details.
Fig. 1 is a structural representation of the present utility model.
Fig. 2 is the utility model ventilation duct cross sectional representation.
Fig. 3 is the utility model hanger frame cross sectional representation.
Size is made component such as rectangular glass fibre reinforced plastics composite sheet 1 and flange as requested.Rectangular glass fibre reinforced plastics composite sheet 1 both sides process identical docking groove.During installation, on docking groove, be coated with and add binder,, tighten up with special screw 2 with four tube wall assembly units; Branch pipe(tube) 4 links by flange 5 with main pipe, has the assembly unit groove of mounting flange 5 at the main pipe tube wall, and branch pipe(tube) 4 one ends after assembly unit also have the assembly unit groove of mounting flange.When installing at the construction field (site), on the assembly unit groove, be coated with and add binder, branch pipe(tube) 4 is connected with main pipe, tighten up with special screw 2 again with flange 5; Airduct reducing place elbow, large-scale assembly unit moulding, the arc tube wall that is had docking port by four both sides adds binder, tightens up with special screw 2; In 2-section pipe road splicing place, outer wall is reinforced with section bars such as angle steel, on one side the shaped steel that is used to reinforce grows, the reinforcement rope replaces hanging parts, and like this, pipeline fixes and be easy for installation.
Claims (1)
1, a kind of fire-retardant heat insulation ventilation duct includes four glass fibre reinforced plastics composite sheets, it is characterized in that: there is step type slot at four glass fibre reinforced plastics composite sheets (1) two ends, and the butt joint end slot matches each other, and has adhesive bonding on the interface, reinforces by screw (2) in addition; Connecting between the main pipe is bayonet joint, and there is step type slot at the socket joint place, and adhesive is arranged on the groove face, reinforces by screw (2) in addition; The hanger frame of forming by four blocks of section bars in the main pipe joint (3), (3) four blocks of section bars of hanger frame and main pipe are spirally connected; It is bayonet joint that branch pipe(tube) (4) is connected with main pipe flange (5), and there is step type slot at the socket joint place, and adhesive is arranged on the groove face, reinforces by screw (2) in addition.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99220372 CN2367881Y (en) | 1999-04-05 | 1999-04-05 | Fire-retardent heat-insulation ventilating pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99220372 CN2367881Y (en) | 1999-04-05 | 1999-04-05 | Fire-retardent heat-insulation ventilating pipeline |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2367881Y true CN2367881Y (en) | 2000-03-08 |
Family
ID=34011126
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 99220372 Expired - Fee Related CN2367881Y (en) | 1999-04-05 | 1999-04-05 | Fire-retardent heat-insulation ventilating pipeline |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2367881Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009009955A1 (en) * | 2007-07-16 | 2009-01-22 | Liang Zhi | A manufacturing process to connect a branch wind pipe with a main wind pipe and an article therefrom |
| CN107218448A (en) * | 2016-04-09 | 2017-09-29 | 江阴蔚蓝环境机械科技有限公司 | A kind of double thickness shaped steel face rectangle composite air duct and its processing method |
-
1999
- 1999-04-05 CN CN 99220372 patent/CN2367881Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009009955A1 (en) * | 2007-07-16 | 2009-01-22 | Liang Zhi | A manufacturing process to connect a branch wind pipe with a main wind pipe and an article therefrom |
| CN107218448A (en) * | 2016-04-09 | 2017-09-29 | 江阴蔚蓝环境机械科技有限公司 | A kind of double thickness shaped steel face rectangle composite air duct and its processing method |
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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 |