CN108953816B - Pvc-u缠绕管用承插接头 - Google Patents
Pvc-u缠绕管用承插接头 Download PDFInfo
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- 239000012790 adhesive layer Substances 0.000 claims abstract description 7
- 229920000642 polymer Polymers 0.000 claims abstract description 7
- 239000000463 material Substances 0.000 claims abstract description 4
- 229920002521 macromolecule Polymers 0.000 claims description 12
- 239000003292 glue Substances 0.000 claims description 11
- 239000010410 layer Substances 0.000 claims description 11
- 239000000835 fiber Substances 0.000 claims description 6
- 239000000853 adhesive Substances 0.000 claims description 4
- 230000001070 adhesive effect Effects 0.000 claims description 4
- 239000004746 geotextile Substances 0.000 claims description 4
- 239000004743 Polypropylene Substances 0.000 claims description 3
- 229920000728 polyester Polymers 0.000 claims description 3
- -1 polypropylene Polymers 0.000 claims description 3
- 229920001155 polypropylene Polymers 0.000 claims description 3
- 238000001746 injection moulding Methods 0.000 claims description 2
- 229920001971 elastomer Polymers 0.000 description 6
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- 229910000831 Steel Inorganic materials 0.000 description 1
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- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
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- 238000005516 engineering process Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L47/00—Connecting arrangements or other fittings specially adapted to be made of plastics or to be used with pipes made of plastics
- F16L47/06—Connecting arrangements or other fittings specially adapted to be made of plastics or to be used with pipes made of plastics with sleeve or socket formed by or in the pipe end
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Joints With Sleeves (AREA)
- Sewage (AREA)
Abstract
本发明公开了一种PVC‑U缠绕管用承插接头,是由与管道相同材质的管箍和粘贴于管箍内壁的高分子蕴胶层制成;本发明解决了PVC‑U缠绕管的接口问题,使管道的连接方便快捷、严密不漏水、整体强度高,与PVC‑U缠绕管其他接口方式相比存在较大的价格优势和质量优势,具有很高的性价比。
Description
技术领域
本发明涉及输送管道接口用承插接头,特别是一种使管道连接更加方便快捷、严密不漏水、整体强度高的PVC-U缠绕管用承插接头。
背景技术
在现有的PVC-U缠绕管接口技术中,多采用热收缩套、不锈钢卡箍、PE或玻璃钢管卡、玻璃钢橡胶套筒等连接方式,这些接口方式存在的问题是不能解决PVC-U缠绕管螺旋缝的密封问题,管道接口不能与管道形成整体连接,接口处是薄弱环节,一端受力较大时,易造成变形破坏;其中热收缩套接口方式,通过加热收缩包覆于管道外部,接口质量与操作人员的熟练程度及责任心相关,质量不易保证,价格较低;不锈钢卡箍内部的密封橡胶套靠螺栓固定压紧,压紧程度不易控制,不锈钢套及螺栓质量受材质影响较大,易锈蚀、造价高;PE或玻璃钢管卡连接方式中的橡胶圈在管箍对接处是断开的,管道密封不易保证,造价高;玻璃钢橡胶套筒连接方式中的橡胶套是基于管箍的整体胶套,造价很高,大口径管道难以实施这种连接方式。
发明内容
本发明要解决的技术问题在于提供一种PVC-U缠绕管用承插接头,这种PVC-U缠绕管用承插接头可解决PVC-U缠绕管螺旋缝的密封问题,使管道的连接更加方便快捷、严密不漏水、整体强度高,与PVC-U缠绕管其他接口方式相比存在较大的质量优势和价格优势,具有很高的性价比,可降低工程造价。
本发明的PVC-U缠绕管用承插接头,是由与PVC-U缠绕管相同材质的管箍和粘贴于管箍内壁的高分子蕴胶层制成;管箍是由生产PVC-U缠绕管用的板带缠绕制管截断而成,其内径较要承插连接的管道外径稍大,按照管道直径的大小确定管箍的宽度,直径大于等于DN1500的管箍宽度400mm、直径大于DN600小于DN1500的管箍宽度300mm,直径小于DN600的管箍宽度250mm,由专用设备对管箍进行坡口,使管箍端部的内径形成自内向外逐渐变大的坡口,便于管道插入;对于D400及以下管道,管箍可选用注塑管箍。粘贴于管箍内壁的高分子蕴胶层在管道承插连接前,涂刷PVC-U胶粘剂,使其蕴藏在高分子土工布中至饱满且不流淌,安装时对管道接口、管道的螺旋缝起到粘接和密封作用;高分子蕴胶层是涤纶短纤维或丙纶短纤维通过针刺法制成的无纺土工布,高分子蕴胶层在管箍两端有粘接固定的翻边。
本发明的有益效果是:按照上述本发明提供的PVC-U缠绕管用承插接头,高分子蕴胶层粘贴于管箍内部,不易损坏,在承插时通过挤压高分子蕴胶层,可对PVC-U缠绕管的螺旋缝起到堵塞密封作用,涤纶短纤维或丙纶短纤维耐腐蚀、抗微生物性能好,承插接头的寿命与PVC-U管道相同,PVC-U缠绕管用承插接头与管道形成一体,管道接口处环刚度高于管道,受压时管箍和管道同步变形,无脱节、开裂问题,彻底解决了PVC-U缠绕管道接口的难题。
附图说明
下面结合附图和实施例对发明进一步详细说明。
图1为本发明的PVC-U缠绕管用承插接头截面图。
图2为本发明的PVC-U缠绕管用承插接头套接到管道后的承口截面图。
图3为本发明的PVC-U缠绕管用承插接头安装后的管道截面图
图中:1、管箍 2、高分子蕴胶层 3、高分子蕴胶层翻边 4、坡口 5、PVC-U缠绕管道
具体实施方式
图1为本发明的PVC-U缠绕管用承插接头截面图,管箍1是由PVC-U板带缠绕而成,其内径较要承插连接的管道外径稍大,按照管道直径的大小确定管箍的宽度,坡口4是自内向外逐渐变大的,便于管道插入;高分子蕴胶层2是粘贴于管箍内壁的无纺土工布,通过管箍两端粘接固定的翻边3对管箍内的高分子蕴胶层进行固定,在管道承插连接时使其饱含PVC胶粘剂,对管道接口起到粘接和密封作用。
实施例:以DN500PVC-U缠绕管用承插接头为例,管箍宽度250mm,接头两端分别套入环刚度为8.5KN/m2的PVC-U缠绕管后,接头处环刚度可达到13KN/m2,在压缩变形量为管道直径的30%时,环柔性符合要求,承插连接处高分子蕴胶层无开裂、脱开现象,与管道浑然一体,闭水试验无渗漏。
Claims (2)
1.一种PVC-U缠绕管用承插接头,用于PVC-U缠绕管道的连接,其特征在于:由PVC-U缠绕管相同材质的管箍和粘贴于管箍内壁的高分子蕴胶层制成,管箍在两端有坡口,高分子蕴胶层在管箍两端有粘接固定的翻边;管箍内壁的高分子蕴胶层是涤纶短纤维或丙纶短纤维制成的无纺土工布,通过PVC胶粘剂平整地铺满管箍内部,再向外翻边于管箍两端,起到固定高分子蕴胶层的作用;
所述的管箍是由缠绕管用PVC-U板带缠绕而成,其内径较要承插连接的管道外径稍大,按照管道直径的大小确定管箍的宽度,由专用设备对管箍进行坡口,使管箍端部的内径形成自内向外逐渐变大的坡口,便于管道插入;对于直径400mm及以下管道,管箍选用注塑管箍。
2.根据权利要求1所述的PVC-U缠绕管用承插接头,其特征在于:承插接头在工厂套装于管道的一端,形成带有承口的管道,或在管道安装时套装使用。
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| CN109538874B (zh) * | 2019-01-28 | 2024-01-19 | 成都川路塑胶集团有限公司 | 一种组装式管箍结构 |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6164702A (en) * | 1999-06-07 | 2000-12-26 | Adc Acquisition Company | Reinforced thermoplastic pipe couping |
| CN203868572U (zh) * | 2014-06-17 | 2014-10-08 | 张超 | 一种排水承插防漏管件 |
| CN104390086A (zh) * | 2014-11-12 | 2015-03-04 | 张超 | 免维护全封闭柔性承插速接管件及其制作方法 |
| CN108105507A (zh) * | 2017-12-15 | 2018-06-01 | 武汉理工大学 | 一种rtp管热熔连接用碳纤维复合材料套管及其应用方法 |
| CN207555055U (zh) * | 2017-08-04 | 2018-06-29 | 江苏元辰安装集团有限公司 | 一种楼板内维修专用pvc延长管件 |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1993000546A1 (en) * | 1991-06-20 | 1993-01-07 | Reinforced Plastics/Composites Pty Ltd | A connecting system |
| JP2000220787A (ja) * | 1999-02-01 | 2000-08-08 | Sekisui Chem Co Ltd | 硬質塩化ビニル樹脂製管継手 |
| CN201206691Y (zh) * | 2008-05-16 | 2009-03-11 | 贵阳铝镁设计研究院 | 塑料排水管件 |
| CN201748093U (zh) * | 2010-08-30 | 2011-02-16 | 上海久通塑胶制品有限公司 | 一种承插式塑料管对接管套 |
| CN202327484U (zh) * | 2011-11-21 | 2012-07-11 | 深圳市康强建筑新技术工程有限公司 | 高密度聚乙烯管材 |
| US10371301B2 (en) * | 2016-03-03 | 2019-08-06 | Construction Research & Technology GmbH et al. | Pipe section joining member, pipe joint and elongated pipe |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6164702A (en) * | 1999-06-07 | 2000-12-26 | Adc Acquisition Company | Reinforced thermoplastic pipe couping |
| CN203868572U (zh) * | 2014-06-17 | 2014-10-08 | 张超 | 一种排水承插防漏管件 |
| CN104390086A (zh) * | 2014-11-12 | 2015-03-04 | 张超 | 免维护全封闭柔性承插速接管件及其制作方法 |
| CN207555055U (zh) * | 2017-08-04 | 2018-06-29 | 江苏元辰安装集团有限公司 | 一种楼板内维修专用pvc延长管件 |
| CN108105507A (zh) * | 2017-12-15 | 2018-06-01 | 武汉理工大学 | 一种rtp管热熔连接用碳纤维复合材料套管及其应用方法 |
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