CN203273057U - Novel corrosion-resistant stainless steel composite steel tube - Google Patents
Novel corrosion-resistant stainless steel composite steel tube Download PDFInfo
- Publication number
- CN203273057U CN203273057U CN 201320217271 CN201320217271U CN203273057U CN 203273057 U CN203273057 U CN 203273057U CN 201320217271 CN201320217271 CN 201320217271 CN 201320217271 U CN201320217271 U CN 201320217271U CN 203273057 U CN203273057 U CN 203273057U
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- stainless steel
- wall
- basic unit
- inner lining
- steel inner
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- Expired - Fee Related
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Abstract
The utility model discloses a novel corrosion-resistant stainless steel composite steel tube which comprises a steel tube basic layer (1). A stainless steel inner lining (2) is arranged on the inner wall of the basic layer (1) and an elastic plastic layer (3) is arranged on the outer wall of the basic layer (1); a turning edge (21) extending outwards in the radial direction of the stainless steel inner lining (2) is formed on the end portion of the stainless steel lining (2), an annular flange (22) is formed in the outer edge portion of the turning edge (21), an annular groove (23) is formed by the outer wall of the stainless steel inner lining (2), the turning edge (21) and the annular flange (22), the basic layer (1) and the elastic plastic layer (3) are respectively inserted in the annular groove (23) in a sleeved mode, and the outer wall of the elastic plastic layer (3) is pressed on and abuts against the inner side wall of the annular flange (22). According to the novel corrosion-resistant stainless steel composite steel tube, the end portion of the steel tube basic layer (1) is completely prevented from being corroded and the service life is prolonged.
Description
Technical field:
The utility model relates to the tubing technical field, more specifically to a kind of novel antirust erosion stainless steel composite pipe.
Background technique:
be used at present combustion gas, heating installation, the tubing that the material such as medical gas and water is carried mainly contains galvanized pipe, plastic tube, its intensity of plastic tube is low, pressurized is yielding and break, and galvanized pipe is in long-term the use, its inwall meeting corrosion and scaling, affect the quality of potable water, therefore some metal composite pipe arranges stainless steel inner lining on steel pipe basic unit inwall, be coated with rust preventive coating on outer wall of steel pipe, its rust preventive coating is thinner, easily scratch during use, make the corrosion of steel pipe basic unit, simultaneously, not process processing of mouth of pipe end at composite pipe, its steel pipe basic unit end face still easily is subject to corrosion, impact is used, reduced working life.
The model utility content:
The purpose of this utility model is exactly the deficiency for prior art, and a kind of novel antirust erosion stainless steel composite pipe is provided, and it can prevent that fully the end of steel pipe basic unit is subject to corrosion, improves working life.
Technology solution of the present utility model is as follows:
A kind of novel antirust erosion stainless steel composite pipe comprises steel pipe basic unit, and the inwall of basic unit is provided with stainless steel inner lining, and the outer wall of basic unit is provided with the elastomeric plastics layer; The end of stainless steel inner lining forms the flange that extends radially outwardly along stainless steel inner lining, the edge portion of flange forms annular rib, the outer wall of stainless steel inner lining, flange and annular rib form annular groove, basic unit and the equal sleeve of elastomeric plastics layer are in annular groove, and the outer wall of elastomeric plastics layer is pressed against on the madial wall of annular rib.
Described stainless steel inner lining sleeve also is adhesively fixed on the inwall of basic unit.
Described elastomeric plastics layer sleeve also is adhesively fixed on the outer wall of basic unit.
The beneficial effects of the utility model are:
1, the basic unit's outer wall due to it is provided with the elastomeric plastics layer, and it can guarantee that composite pipe receives that slight scuffing can not affect steel pipe basic unit and sustain damage and even cause corrosion phenomena.
2, the end of stainless steel inner lining forms the flange that extends radially outwardly along stainless steel inner lining, the edge portion of flange forms annular rib, the annular groove of its formation is coated on the inside with the end face of basic unit, prevents that basic unit's end face from receiving corrosion, and it has improved the working life of composite pipe.
Description of drawings:
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the structural representation of stainless steel inner lining of the present utility model.
Embodiment:
Embodiment: see shown in Fig. 1 to 2, a kind of novel antirust erosion stainless steel composite pipe comprises steel pipe basic unit 1, and steel pipe basic unit 1 is carbon steel tubing, and the inwall of basic unit 1 is provided with stainless steel inner lining 2, and the outer wall of basic unit 1 is provided with elastomeric plastics layer 3; Elastomeric plastics layer 3 thickness are 1mm～5mm, the end of stainless steel inner lining 2 forms the flange 21 that extends radially outwardly along stainless steel inner lining 2, the edge portion of flange 21 forms annular rib 22, the outer wall of stainless steel inner lining 2, flange 21 and annular rib 22 form annular groove 23, basic unit 1 and the equal sleeve of elastomeric plastics layer 3 are in annular groove 23, and the outer wall of elastomeric plastics layer 3 is pressed against on the madial wall of annular rib 22.
Described stainless steel inner lining 2 sleeves also are adhesively fixed on the inwall of basic unit 1.
Described elastomeric plastics layer 3 sleeve also are adhesively fixed on the outer wall of basic unit 1.
The utility model can be widely used in the conveying of the materials such as delivery of fuel gas, heating installation, medical gas and water, and it is antiseptic and rustproof very good.
Claims (3)
1. a novel antirust erosion stainless steel composite pipe, comprise steel pipe basic unit (1), and it is characterized in that: the inwall of basic unit (1) is provided with stainless steel inner lining (2), and the outer wall of basic unit (1) is provided with elastomeric plastics layer (3); The end of stainless steel inner lining (2) forms the flange (21) that extends radially outwardly along stainless steel inner lining (2), the edge portion of flange (21) forms annular rib (22), the outer wall of stainless steel inner lining (2), flange (21) and annular rib (22) form annular groove (23), all sleeve is in annular groove (23) for basic unit (1) and elastomeric plastics layer (3), and the outer wall of elastomeric plastics layer (3) is pressed against on the madial wall of annular rib (22).
2. a kind of novel antirust according to claim 1 loses stainless steel composite pipe, and it is characterized in that: described stainless steel inner lining (2) sleeve also is adhesively fixed on the inwall of basic unit (1).
3. a kind of novel antirust according to claim 1 loses stainless steel composite pipe, and it is characterized in that: described elastomeric plastics layer (3) sleeve also is adhesively fixed on the outer wall of basic unit (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320217271 CN203273057U (en) | 2013-04-25 | 2013-04-25 | Novel corrosion-resistant stainless steel composite steel tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320217271 CN203273057U (en) | 2013-04-25 | 2013-04-25 | Novel corrosion-resistant stainless steel composite steel tube |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203273057U true CN203273057U (en) | 2013-11-06 |
Family
ID=49503468
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320217271 Expired - Fee Related CN203273057U (en) | 2013-04-25 | 2013-04-25 | Novel corrosion-resistant stainless steel composite steel tube |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203273057U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105423027A (en) * | 2016-01-05 | 2016-03-23 | 江苏众信绿色管业科技有限公司 | Stainless-steel-lined composite grooved pipe fitting |
| CN105526429A (en) * | 2016-01-14 | 2016-04-27 | 中国瑞林工程技术有限公司 | Air inlet sleeve and washing tower provided with air inlet sleeve |
-
2013
- 2013-04-25 CN CN 201320217271 patent/CN203273057U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105423027A (en) * | 2016-01-05 | 2016-03-23 | 江苏众信绿色管业科技有限公司 | Stainless-steel-lined composite grooved pipe fitting |
| CN105526429A (en) * | 2016-01-14 | 2016-04-27 | 中国瑞林工程技术有限公司 | Air inlet sleeve and washing tower provided with air inlet sleeve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131106 Termination date: 20210425 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |