CN1114933A - Double-wall sound-insulating plastic pipe - Google Patents
Double-wall sound-insulating plastic pipe Download PDFInfo
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- CN1114933A CN1114933A CN 94108445 CN94108445A CN1114933A CN 1114933 A CN1114933 A CN 1114933A CN 94108445 CN94108445 CN 94108445 CN 94108445 A CN94108445 A CN 94108445A CN 1114933 A CN1114933 A CN 1114933A
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- damping material
- cavity
- plastic pipe
- pipe
- wall
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Abstract
The sound-insulating double-wall plastic pipe for water supply or drainage features that its pipe wall is composed of inner and outer walls, hollow cavity and sound absorbent material or damping material. Cooperated with self-wedge plastic tube connector, it can greatly improve its sound insulating power, near that of cast iron pipe.
Description
The present invention relates to a kind of plastics supplying drainage, be mainly used in the gutter system.
At present, known plastic pipe mainly is a single-walled pipe, with the present invention more approaching be double-wall corrugated pipe, these plastic pipes in use exist water noise to the room in disturbing big problem.The inventor has invented lattice plastic pipe in the double-walled for this reason, and number of patent application is: 93242933.5.But this utility model is made difficulty when elbow, threeway, four-way and other particular tube, cost is higher.
The objective of the invention is on the basis of former invention, improve tube wall construction, make the plastic double-wall pipe be convenient to make, and make defening effect even more ideal.
The object of the present invention is achieved like this: in plastic pipe, make plastics garden pipe or square tube or ellipse garden pipe by the cavity between inside and outside double-walled, the double-walled and the damping material in the cavity or damping material.Damping material in the cavity or damping material can be filled full cavity, also can partially filled cavity.Partially filled damping material or damping material in cavity can be filled in the cavity brokenly, also can be arranged in the cavity along tube wall by definite shape regularly.Loose damping material or damping material are loose condition (of surface) in cavity, also can be glued shape or half glued shape in cavity.Damping material or damping material can be air.Damping material or damping material can be any materials that is beneficial to sound insulation.
Owing to adopt such scheme, make plastic pipe of the present invention not only have the advantage of former invention plastic pipe, and make easily manufacturedly, and cancelled being rigidly connected between inside and outside tube wall, make soundproof effect even more ideal.
Below in conjunction with accompanying drawing invention is described further.
Figure the-1st, the partial sectional view of plastic pipe embodiment 2 of the present invention.
Figure the-2nd, the partial sectional view of plastic pipe embodiment 3 of the present invention.
Among the figure: 1, outer wall; 2, sound-absorbing or damping material; 3, inwall; 4, cavity; 5, the sound-absorbing of irregular layout or damping material.
Embodiment 1: in Fig. 1, do not fill sound-absorbing or damping material 2 between outer wall 1 and inwall 3, thereby form the cavity 4 between two tube walls.Sound-absorbing in the cavity or damping material are air.
In embodiment shown in Figure 12, can see significantly that between the outer wall 1 of a straight tube and inwall 3 sound-absorbing or damping material 2 fill full cavity 4.
In embodiment shown in Figure 23, between the outer wall 1 of an elbow and inwall 3, arrange the sound-absorbing or the damping material 2 of sheet brokenly.Bonding or the welding of outer wall this moment by two halves.
Embodiment 4: with the cavity 4 between sand or full outer wall 1 of clay sealing and the inwall 3.Also can mix a small amount of cementitious materials and fill full cavity 4 in sand, this moment, sand was half glued shape in cavity.
Embodiment 5: change sand among the embodiment 4 or clay into swelling perlite powder.
Embodiment 1-5 can be used on and also can be used in the straight tube in elbow, threeway, four-way and other pipe fittings.
Embodiment 6: in the embodiment shown in fig. 1, the compacting rock wool of selecting sound-absorbing or damping material 2 for use strip on inwall 3, puts outer wall 1 by helical form then.It is more convenient that embodiment 6 is applied to straight tube.
For straight tube, inner and outer wall all can be made integral body, can package earlier and fill sound-absorbing or damping material behind the inside and outside wall again in cavity; Also can be earlier be stained with on the inwall or around on sound-absorbing or damping material, put outer wall again.
For elbow, threeway, four-way and other pipe fittings, inwall can be made integral body, outer wall can be done into two, put inwall after, outer wall two halves welding or bonding.Inside and outside wall also can shot moulding in mould.Can fill sound-absorbing or damping material by two kinds of methods of straight tube.
Sound-absorbing or damping material all are from the angle of acoustics.
Claims (6)
1, a kind of plastic pipe is characterized in that: make plastics garden pipe or square tube or ellipse garden pipe by the tube wall that the cavity between inside and outside double-walled, the double-walled and the damping material in the cavity or damping material constitute.
2, press claim 1 described plastic pipe, it is characterized in that: damping material in the cavity or damping material can be filled full cavity, also can partially filled cavity.
3, press claim 1 described plastic pipe, it is characterized in that: partially filled damping material or damping material in cavity is to be filled in brokenly in the cavity, also can be to be arranged in the cavity along tube wall by definite shape regularly.
4, press claim 1 described plastic pipe, it is characterized in that: damping material or damping material are loose condition (of surface) or half glued shape or glued shape in cavity.
5, press claim 1 described plastic pipe, it is characterized in that: damping material in the cavity or damping material are air.
6, press claim 1 described plastic pipe, it is characterized in that: damping material or damping material are any materials that is beneficial to sound insulation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 94108445 CN1114933A (en) | 1994-07-14 | 1994-07-14 | Double-wall sound-insulating plastic pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 94108445 CN1114933A (en) | 1994-07-14 | 1994-07-14 | Double-wall sound-insulating plastic pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1114933A true CN1114933A (en) | 1996-01-17 |
Family
ID=5033482
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 94108445 Pending CN1114933A (en) | 1994-07-14 | 1994-07-14 | Double-wall sound-insulating plastic pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1114933A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101638947B (en) * | 2009-08-20 | 2011-05-11 | 中国电力科学研究院 | Vibration damper for ultrahigh-voltage steel tube tower |
-
1994
- 1994-07-14 CN CN 94108445 patent/CN1114933A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101638947B (en) * | 2009-08-20 | 2011-05-11 | 中国电力科学研究院 | Vibration damper for ultrahigh-voltage steel tube tower |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C01 | Deemed withdrawal of patent application (patent law 1993) | ||
| WD01 | Invention patent application deemed withdrawn after publication |