CN102878354A - Method for producing flexible waterproof casing - Google Patents
Method for producing flexible waterproof casing Download PDFInfo
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- CN102878354A CN102878354A CN2012103847152A CN201210384715A CN102878354A CN 102878354 A CN102878354 A CN 102878354A CN 2012103847152 A CN2012103847152 A CN 2012103847152A CN 201210384715 A CN201210384715 A CN 201210384715A CN 102878354 A CN102878354 A CN 102878354A
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- lengthening section
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- shrink tube
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Abstract
The invention discloses a method for producing a flexible waterproof casing. The method includes producing a steel casing body and a heat shrink tubing, arranging a lengthening section stretching out of a wall at a water facing end of the steel casing body, and arranging anti-skidding teeth and a port covering plate at the lengthening section; arranging an elastic sealed inner lining tube inside the heat shrink tubing; and covering the heat shrink tubing lined with the elastic sealed inner lining tube on the lengthening section, sleeving the portion stretching out of the lengthening section on a laid pipe, and sealing a flexible packing seal in the steel casing body. According to the method, the waterproof flexible sealing process of the water facing side of the pipe when the pipe penetrates through a concrete interface for laying is strengthened, defects of common flexible sealing packing are overcome, hidden danger caused by leakage resulted from cracks generated between the pipe and the casing due to the air shrinkage and aging of the packing is avoided, the waterproof and flexible sealing performances are excellent, stable and durable, maintenance probability is reduced, the maintenance cost is saved, the economic benefit is remarkable, and the application range is wide.
Description
Technical field
The present invention relates to a kind of making method of water string, particularly relate to a kind of making method of soft waterproof casing.
Background technique
At present, when pipe laying, usually use common flexible sleeve as shown in Figure 1, the shutoff filler of common soft waterproof casing can not be with the pipeline synchronously breathing of expanding with heat and contract with cold, be only applicable to the thick type pipeline of steel or the flexible water during with little other class hard pipe laying of the temperature difference and pressure deformation is processed, the flexible water in the time of can not being applicable to the plasticity pipe laying is processed.Because the amount of deformation of plasticity pipeline is also larger than steel pipe, when the plasticity pipe deforming, the common shutoff filler that is installed between sleeve pipe and pipeline outer wall can form the crack and lose water-proof function, and seepage occurs.
Summary of the invention
The present invention provides a kind of making method of soft waterproof casing for solving the technical problem that exists in the known technology, the soft waterproof casing that adopts the method to make can equivalent deformation occur with channelling, stops seepage.
The technological scheme that the present invention takes for the technical problem that exists in the solution known technology is: a kind of making method of soft waterproof casing may further comprise the steps: one) make steel bushing body and heat-shrink tube; Stretch out the lengthening section of wall in the end facing water setting of steel bushing body, at lengthening section slideproof tooth and lid oralia are set; Two) the elastic packing internal lining pipe is served as a contrast in heat-shrink tube; The heat-shrink tube that three) will be lined with the elastic packing internal lining pipe covers on the lengthening section, and the part of stretching out lengthening section is enclosed within on the pipeline that lays, and flexible filler is sealed in the steel bushing body.
Described step 1), the sealing tooth of projection is set at the inwall of heat-shrink tube.
Described step 2) the elastic packing internal lining pipe in is made by silica gel.
Advantage and good effect that the present invention has are: 1) be located at the heat-shrink tube of end facing water and elastic packing internal lining pipe and have soft physical features, can change with pipeline location and the deformation such as expand with heat and contract with cold, guarantee the sealability between pipeline and sleeve pipe; 2) establish raised annular sealing tooth at the heat-shrink tube inwall, heat-shrink tube is subjected to can be combined closelyr with internal lining pipe and pipeline after the thermal shrinkage; 3) heat-shrink tube can be protected the flexible filler sealing between pipeline and sleeve pipe, strengthens its durability, extends its working life; 4) after the steel bushing body lengthens, can increase sleeve pipe to the parcel constraint area of pipeline, the pipeline that makes installation is firm stable more; 5) the steel bushing body that lengthens when upstream face needs the construction waterproof layer, can increase the flange lap length that watertightness barrier closes up in the pipeline installation place, and it is tighter that watertightness barrier is closed up; 6) go for any steel and plasticity pipeline and sheet-metal duct and the larger pipeline of the deformation through-flooring water proof flexible through walls laying installation engineering of expanding with heat and contract with cold, effect is particularly evident when the plasticity pipe laying.
In sum, the water proof flexible shutoff of its upstream face was processed when the present invention passed concrete interface and lays by strengthening pipeline, remedied the deficiency of common flexible blockage filler, stopped to make because the filler drying shrinkage is aging the hidden danger of initiation seepage in generation crack between pipeline and sleeve pipe, and waterproof and flexible blockage excellent performance, stability and durability, reduced the maintenance probability, saved maintenance cost, remarkable in economical benefits, application is extensive.
Description of drawings
Fig. 1 is the schematic representation of prior art of the present invention;
Fig. 2 is schematic representation of the present invention;
Fig. 3 is the A section detail drawing of Fig. 2.
Embodiment
For further understanding summary of the invention of the present invention, Characteristic, hereby exemplify following examples, and cooperate accompanying drawing to be described in detail as follows:
See also Fig. 2～Fig. 3, a kind of making method of soft waterproof casing may further comprise the steps:
One) makes steel bushing body 5 and heat-shrink tube 3;
Stretch out the lengthening section of wall 1 in the end facing water setting of steel bushing body 5, at lengthening section slideproof tooth 6 and lid oralia 2 are set; Inwall at heat-shrink tube 3 arranges sealing tooth 7;
Two) elastic packing internal lining pipe 4 is served as a contrast in heat-shrink tube 3;
The heat-shrink tube 3 that three) will be lined with elastic packing internal lining pipe 4 covers on the lengthening section, and the part that elastic packing internal lining pipe 4 and heat-shrink tube 3 stretch out steel bushing body 5 lengthening sections is enclosed within on the pipeline 9 that lays, and flexible filler sealing 8 is sealed in the steel bushing body 5.
In the present embodiment, make the body of burying the position in sleeve pipe backwater end and the concrete underground according to existing flexible sleeve preparation process, the sleeve body end facing water is lengthened 50 ㎜+lid oralia thickness, and elongated portion is the raised annular slideproof tooth of 2 ㎜ by 10 ㎜ spacings at tube wall casting radius.Produce the thick silica gel sealing bushing pipe of supporting 2 ㎜ according to the outside dimension of channelling.Produce the thick special hot draw of supporting 2 ㎜ according to sleeve pipe outside dimension and upstream face environmental requirement, on the heat-shrink tube inwall, make the raised annular sealing tooth that radius is 0.5 ㎜ by 20 ㎜ spacings.
After pipeline is installed heat-shrink tube and silica gel sealing bushing pipe together an end be enclosed within the sleeve pipe that the is provided with slideproof tooth termination that meets water, the other end is enclosed within on the pipeline that lays, and heating makes heat-shrink tube shrink banding on sleeve pipe and the pipeline that lays.Rely on elastic sealing and the plasticity deformation realization pipeline of heat-shrink tube and silica gel bushing pipe and the sealing of water string inwall from airtight and silica gel of heat-shrink tube.Heat-shrink tube and silica gel lining pipe change the deformation of generation equivalent with the breathing with pipeline, finally stop the flexible water sealing function that seepage satisfies pipeline.
Except heat-shrink tube and silica gel internal lining pipe, the material of soft waterproof casing, wall thickness and other accessory sizes are all selected by existing standard and atlas, and the material of lengthening section is identical with the steel bushing body, and the length of lengthening section is 50 ㎜+one a lid oralia thickness.The annular slideproof tooth is made with the cast inblock of steel bushing body and is shaped.
The internal lining pipe selection should be ageing-resistant, and is corrosion-resistant, not with tube wall and heat-shrink tube generation chemical reaction, and has certain mechanical strength.Should carry fluid classification and piping laying environment to select the silica gel sealing internal lining pipe of different size according to unlike material and the pipeline of pipeline.
Heat-shrink tube must select dissimilar materials to make heat-shrink tube according to environment, the pipeline inner fluid range of temperature of piping laying.Heat-shrink tube must have toughness and certain mechanical strength, ageing-resistant, corrosion-resistant, stable in properties with surrounding environment and silica gel various chemical reactions does not occur.The pyrocondensation deformation temperature of thermoplastic tube must be higher than pipeline inner fluid maximum temperature 20%.
Although the above is described the preferred embodiments of the present invention by reference to the accompanying drawings; but the present invention is not limited to above-mentioned embodiment; above-mentioned embodiment only is schematic; be not restrictive; those of ordinary skill in the art is under enlightenment of the present invention; not breaking away from the scope situation that aim of the present invention and claim protect, can also make a lot of forms, these all belong within protection scope of the present invention.
Claims (3)
1. the making method of a soft waterproof casing is characterized in that, may further comprise the steps:
One) makes steel bushing body and heat-shrink tube;
Stretch out the lengthening section of wall in the end facing water setting of steel bushing body, at lengthening section slideproof tooth and lid oralia are set;
Two) the elastic packing internal lining pipe is served as a contrast in heat-shrink tube;
The heat-shrink tube that three) will be lined with the elastic packing internal lining pipe covers on the lengthening section, and the part of stretching out lengthening section is enclosed within on the pipeline that lays, and flexible filler is sealed in the steel bushing body.
2. the making method of soft waterproof casing according to claim 1 is characterized in that, described step 1), at the inwall of heat-shrink tube protruding sealing tooth is set.
3. the making method of soft waterproof casing according to claim 1 and 2 is characterized in that, described step 2) in the elastic packing internal lining pipe made by silica gel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012103847152A CN102878354A (en) | 2012-10-10 | 2012-10-10 | Method for producing flexible waterproof casing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012103847152A CN102878354A (en) | 2012-10-10 | 2012-10-10 | Method for producing flexible waterproof casing |
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| CN102878354A true CN102878354A (en) | 2013-01-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2012103847152A Pending CN102878354A (en) | 2012-10-10 | 2012-10-10 | Method for producing flexible waterproof casing |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103133785A (en) * | 2013-03-01 | 2013-06-05 | 中天建设集团有限公司 | Water-proof processing structure of tube-penetrating position on wall |
| CN103197392A (en) * | 2013-04-02 | 2013-07-10 | 国家电网公司 | Optical cable protection tube port sealing support frame |
| CN104656211A (en) * | 2013-11-24 | 2015-05-27 | 许耀义 | Seal enhanced optical cable joint box system |
| CN113236870A (en) * | 2021-04-25 | 2021-08-10 | 华南蓝天航空油料有限公司 | Seepage-proofing construction process for valve well |
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| DE19745474A1 (en) * | 1997-10-15 | 1999-04-22 | Gok Regler Und Armaturen Ges M | Device to lead gas pipeline or cable through outer wall of building |
| CN201126063Y (en) * | 2007-04-16 | 2008-10-01 | 符永利 | Flexible water string |
| CN201202890Y (en) * | 2008-05-26 | 2009-03-04 | 河南六建建筑集团有限公司 | Novel flexible water-proof sleeve pipe for pipeline mounting construction |
| CN101463926A (en) * | 2008-12-31 | 2009-06-24 | 上海市隧道工程轨道交通设计研究院 | Water-proof method for pipeline crossing full-packaging waterproof layer |
| EP2071688B1 (en) * | 2007-12-14 | 2011-11-30 | Hauff-Technik GmbH & Co. KG | Cable duct through a building wall |
| CN202418927U (en) * | 2011-12-17 | 2012-09-05 | 浙江陆特能源科技有限公司 | Wall penetration waterproof bushing component of ground source heat pump underground system |
-
2012
- 2012-10-10 CN CN2012103847152A patent/CN102878354A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19745474A1 (en) * | 1997-10-15 | 1999-04-22 | Gok Regler Und Armaturen Ges M | Device to lead gas pipeline or cable through outer wall of building |
| CN201126063Y (en) * | 2007-04-16 | 2008-10-01 | 符永利 | Flexible water string |
| EP2071688B1 (en) * | 2007-12-14 | 2011-11-30 | Hauff-Technik GmbH & Co. KG | Cable duct through a building wall |
| CN201202890Y (en) * | 2008-05-26 | 2009-03-04 | 河南六建建筑集团有限公司 | Novel flexible water-proof sleeve pipe for pipeline mounting construction |
| CN101463926A (en) * | 2008-12-31 | 2009-06-24 | 上海市隧道工程轨道交通设计研究院 | Water-proof method for pipeline crossing full-packaging waterproof layer |
| CN202418927U (en) * | 2011-12-17 | 2012-09-05 | 浙江陆特能源科技有限公司 | Wall penetration waterproof bushing component of ground source heat pump underground system |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103133785A (en) * | 2013-03-01 | 2013-06-05 | 中天建设集团有限公司 | Water-proof processing structure of tube-penetrating position on wall |
| CN103197392A (en) * | 2013-04-02 | 2013-07-10 | 国家电网公司 | Optical cable protection tube port sealing support frame |
| CN104656211A (en) * | 2013-11-24 | 2015-05-27 | 许耀义 | Seal enhanced optical cable joint box system |
| CN113236870A (en) * | 2021-04-25 | 2021-08-10 | 华南蓝天航空油料有限公司 | Seepage-proofing construction process for valve well |
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Application publication date: 20130116 |