WO2022082943A1 - 一种便于连接的塑料管道 - Google Patents

一种便于连接的塑料管道 Download PDF

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Publication number
WO2022082943A1
WO2022082943A1 PCT/CN2020/134098 CN2020134098W WO2022082943A1 WO 2022082943 A1 WO2022082943 A1 WO 2022082943A1 CN 2020134098 W CN2020134098 W CN 2020134098W WO 2022082943 A1 WO2022082943 A1 WO 2022082943A1
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Prior art keywords
sheet
socket
conductive metal
plastic
conductive
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PCT/CN2020/134098
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English (en)
French (fr)
Inventor
郁世超
周茂振
王关校
俞华章
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宏升塑胶（杭州）有限公司
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Publication of WO2022082943A1 publication Critical patent/WO2022082943A1/zh

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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
    • F16L47/02—Welded joints; Adhesive joints
    • F16L47/03—Welded joints with an electrical resistance incorporated in the joint

Definitions

  • the present invention relates to the technical field of plastic pipes, in particular to the technical field of pipes that facilitate connection.
  • a pipeline is a common conveying facility, which is often formed by interconnecting several pipes. For some large pipe fittings, they are often connected by electrofusion welding, which is prone to leakage, and the connection is more troublesome.
  • the purpose of the present invention is to solve the problems in the prior art, and to propose a plastic pipe that is easy to connect, which can make the pipe easy to connect.
  • the present invention proposes a plastic pipe that is easy to connect, including a pipe body, a socket, a connecting ring, and a conductive metal sheet.
  • One end of the pipe body is provided with a socket, and a ring is fixed on the inner wall of the socket.
  • Connecting ring, the connecting ring is surrounded by a long strip of attachment, the attachment is composed of a plastic sheet and a conductive heating sheet, the conductive heating sheet is embedded in the interior of the plastic sheet, and the first and last ends of the attached sheet are fixed with a piece
  • the conductive metal sheet is in direct contact with the conductive heating sheet, and the conductive metal sheet extends outward and is exposed to the outside of the socket.
  • the attachment sheet when the attachment sheet is formed into a connection circle, a part of the head and tail ends are overlapped together, and the two conductive metal sheets at the head and tail ends are neither overlapped nor in contact.
  • the conductive heating sheet is a mesh with a fine wire mesh structure, and the distance between the conductive heating sheet and the attachment sheet close to the inner wall of the socket is greater than the distance between the conductive heating sheet and the attachment sheet away from the inner wall of the socket.
  • the conductive metal sheet is fixed on the side of the attachment sheet close to the inner wall of the socket, and the conductive metal sheet and the attachment sheet are fixed by riveting.
  • the conductive metal sheet is covered with an insulating protective sheath, and the insulating protective sheath is sheathed on the part of the conductive metal sheet that is not in contact with the attachment sheet.
  • the conductive metal sheet is bent outward at the end of the socket.
  • the width of the conductive heating sheet is slightly smaller than the width of the plastic sheet, the conductive metal sheet is elongated, and the length of the contact portion of the conductive metal sheet with the attachment sheet is smaller than the width of the plastic sheet.
  • the attachment piece is fixed on the inner wall of the socket by means of heat fusion.
  • the inner diameter of the socket is larger than the inner diameter of the pipe body, and a transition portion is provided between the pipe body and the socket.
  • the present invention combines the plastic sheet, the conductive heating sheet and the conductive metal sheet, so that the pipes can be connected by heating and melting the attached sheet, and the connection is convenient; the arrangement of the plastic sheet can effectively protect the conductive heating to prevent the oxidation of the conductive heating plate; the setting of the insulating protective sleeve can effectively protect the conductive metal plate.
  • Fig. 1 is the front view of a kind of easy-to-connect plastic pipe of the present invention
  • FIG. 2 is a schematic diagram of a connecting ring of a plastic pipe that is easy to connect according to the present invention
  • FIG. 3 is a partial schematic diagram of an attached piece of a plastic pipe that is easy to connect according to the present invention
  • Figure 4 is a partial schematic view of a plastic pipe for easy connection of the present invention.
  • an easy-to-connect plastic pipe of the present invention includes a pipe body 1, a socket 10, a connecting ring, and a conductive metal sheet 3.
  • One end of the pipe body 1 is provided with a bearing
  • the inner wall of the mouth 10 and the socket 10 is fixed with a ring of connecting rings, the connecting ring is surrounded by a long strip of attachment sheet 2,
  • the attachment sheet 2 is composed of a plastic sheet 21 and a conductive heating sheet 22, and the conductive heating sheet 22 is embedded in the Inside the plastic sheet 21, a conductive metal sheet 3 is fixed at both ends of the attachment sheet 2, the conductive metal sheet 3 is in direct contact with the conductive heating sheet 22, and the conductive metal sheet 3 extends outward and is exposed on the socket 10.
  • the ends of the first and last ends are partially overlapped, and the two conductive metal sheets 3 at the ends of the head and tail are neither overlapped nor in contact, and the conductive heating sheet 22 is in the shape of a fine wire mesh
  • the mesh of the structure, the distance between the conductive heating sheet 22 and the attachment sheet 2 close to the inner wall side of the socket 10 is greater than the distance between the conductive heating sheet 22 and the attachment sheet 2 away from the inner wall side of the socket 10, and the conductive metal sheet 3 is fixed on the attachment sheet 2.
  • the conductive metal sheet 3 and the attached sheet 2 are fixed by riveting, the conductive metal sheet 3 is covered with an insulating protective sleeve 30, and the insulating protective sleeve 30 is sleeved on the unfinished part of the conductive metal sheet 3.
  • the conductive metal sheet 3 is bent outward at the end of the socket 10, the width of the conductive heating sheet 22 is slightly smaller than the width of the plastic sheet 21, and the conductive metal sheet 3 is a long strip
  • the length of the conductive metal sheet 3 in contact with the attachment sheet 2 is smaller than the width of the plastic sheet 21.
  • the attachment sheet 2 is fixed on the inner wall of the socket 10 by hot melting, and the inner diameter of the socket 10 is larger than The inner diameter of the pipe body 1 is provided with a transition portion between the pipe body 1 and the socket 10 .
  • the plastic sheet 21, the conductive heating sheet 22, and the conductive metal sheet 3 cooperate, so that the pipes can be connected by heating and melting the attachment sheet 2, and the connection is convenient;
  • the arrangement of the sheet 21 can effectively protect the conductive heating sheet 22 and prevent the conductive heating sheet 22 from being oxidized; the arrangement of the insulating protective cover 30 can effectively protect the conductive metal sheet 3 .

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Pipe Accessories (AREA)

Abstract

一种便于连接的塑料管道，包括管道主体（1）、承口（10）、连接圈、导电金属片（3），所述管道主体的一端设有承口，承口的内壁上固定有一圈连接圈，所述连接圈由长条状的附片（2）围成，附片由塑料片（21）和导电加热片（22）组成，导电加热片嵌在塑料片的内部，所述附片的首尾两端均固定有一块导电金属片（3），导电金属片与导电加热片直接接触，所述导电金属片向外延伸暴露在承口的外部。通过将塑料片、导电加热片、导电金属片相配合，使得通过加热熔化附片的方式就可将管道相连接，连接方便。

Description

一种便于连接的塑料管道 【技术领域】
本发明涉及塑料管道的技术领域，特别是便于连接的管道的技术领域。
【背景技术】
管路是一种常用的输送设施，其往往通过若干管道相互连接而形成。对于一些大型管件，其往往通过电熔焊接的方式进行连接，这样的连接方式容易产生渗漏的现象，且连接较为麻烦。
【发明内容】
本发明的目的就是解决现有技术中的问题，提出一种便于连接的塑料管道，能够使管道便于连接
为实现上述目的，本发明提出了一种便于连接的塑料管道，包括管道主体、承口、连接圈、导电金属片，所述管道主体的一端设有承口，承口的内壁上固定有一圈连接圈，所述连接圈由长条状的附片围成，附片由塑料片和导电加热片组成，导电加热片嵌在塑料片的内部，所述附片的首尾两端均固定有一块导电金属片，导电金属片与导电加热片直接接触，所述导电金属片向外延伸暴露在承口的外部。
作为优选，所述附片在围成连接圈时首尾两端有一部分重叠在一起，首尾两端的两块导电金属片即不重叠也不接触。
作为优选，所述导电加热片为细丝网状结构的网片，导电加热片与附片靠近承口内壁侧的距离大于导电加热片与附片远离承口内壁侧的距离。
作为优选，所述导电金属片固定在附片的靠近承口内壁侧，导电金属片和附片通过铆接的方式相固定。
作为优选，所述导电金属片上套有一个绝缘保护套，绝缘保护套套在导电金属片的未与附片相接触的部分。
作为优选，所述导电金属片在承口的端部向外弯折。
作为优选，所述导电加热片的宽度略小于塑料片的宽度，导电金属片呈长条状，导电金属片的与附片相接触部分的长度小于塑料片的宽度。
作为优选，所述附片通过热熔的方式固定在承口的内壁上。
作为优选，所述承口的内径大于管道主体的内径，管道主体与承口之间设有过渡部。
本发明的有益效果：本发明通过将塑料片、导电加热片、导电金属片相配合，使得通过加热熔化附片的方式就可将管道相连接，连接方便；塑料片的设置可以有效保护导电加热片，防止导电加热片氧化；绝缘保护套的设置可以有效的保护导电金属片。
本发明的特征及优点将通过实施例结合附图进行详细说明。
【附图说明】
图1是本发明一种便于连接的塑料管道的主视图；
图2是本发明一种便于连接的塑料管道的连接圈示意图；
图3是本发明一种便于连接的塑料管道的附片局部示意图；
图4是本发明一种便于连接的塑料管道的局部示意图。
图中：1-管道主体、2-附片、3-导电金属片、10-承口、21-塑料片、22-导电加热片、30-绝缘保护套。
【具体实施方式】
参阅图1、图2、图3和图4，本发明一种便于连接的塑料管道，包括管道主体1、承口10、连接圈、导电金属片3，所述管道主体1的一端设有承口10，承口10的内壁上固定有一圈连接圈，所述连接圈由长条状的附片2围成，附片 2由塑料片21和导电加热片22组成，导电加热片22嵌在塑料片21的内部，所述附片2的首尾两端均固定有一块导电金属片3，导电金属片3与导电加热片22直接接触，所述导电金属片3向外延伸暴露在承口10的外部，所述附片2在围成连接圈时首尾两端有一部分重叠在一起，首尾两端的两块导电金属片3即不重叠也不接触，所述导电加热片22为细丝网状结构的网片，导电加热片22与附片2靠近承口10内壁侧的距离大于导电加热片22与附片2远离承口10内壁侧的距离，所述导电金属片3固定在附片2的靠近承口10内壁侧，导电金属片3和附片2通过铆接的方式相固定，所述导电金属片3上套有一个绝缘保护套30，绝缘保护套30套在导电金属片3的未与附片2相接触的部分，所述导电金属片3在承口10的端部向外弯折，所述导电加热片22的宽度略小于塑料片21的宽度，导电金属片3呈长条状，导电金属片3的与附片2相接触部分的长度小于塑料片21的宽度，所述附片2通过热熔的方式固定在承口10的内壁上，所述承口10的内径大于管道主体1的内径，管道主体1与承口10之间设有过渡部。
本发明工作过程：
本发明一种便于连接的塑料管道在工作过程中，塑料片21、导电加热片22、导电金属片3相配合，使得通过加热熔化附片2的方式就可将管道相连接，连接方便；塑料片21的设置可以有效保护导电加热片22，防止导电加热片22氧化；绝缘保护套30的设置可以有效的保护导电金属片3。
上述实施例是对本发明的说明，不是对本发明的限定，任何对本发明简单变换后的方案均属于本发明的保护范围。

Claims (9)

  1. 一种便于连接的塑料管道，其特征在于：包括管道主体(1)、承口(10)、连接圈、导电金属片(3)，所述管道主体(1)的一端设有承口(10)，承口(10)的内壁上固定有一圈连接圈，所述连接圈由长条状的附片(2)围成，附片(2)由塑料片(21)和导电加热片(22)组成，导电加热片(22)嵌在塑料片(21)的内部，所述附片(2)的首尾两端均固定有一块导电金属片(3)，导电金属片(3)与导电加热片(22)直接接触，所述导电金属片(3)向外延伸暴露在承口(10)的外部。
  2. 如权利要求1所述的一种便于连接的塑料管道，其特征在于：所述附片(2)在围成连接圈时首尾两端有一部分重叠在一起，首尾两端的两块导电金属片(3)即不重叠也不接触。
  3. 如权利要求1所述的一种便于连接的塑料管道，其特征在于：所述导电加热片(22)为细丝网状结构的网片，导电加热片(22)与附片(2)靠近承口(10)内壁侧的距离大于导电加热片(22)与附片(2)远离承口(10)内壁侧的距离。
  4. 如权利要求1所述的一种便于连接的塑料管道，其特征在于：所述导电金属片(3)固定在附片(2)的靠近承口(10)内壁侧，导电金属片(3)和附片(2)通过铆接的方式相固定。
  5. 如权利要求1所述的一种便于连接的塑料管道，其特征在于：所述导电金属片(3)上套有一个绝缘保护套(30)，绝缘保护套(30)套在导电金属片(3)的未与附片(2)相接触的部分。
  6. 如权利要求1所述的一种便于连接的塑料管道，其特征在于：所述导电金属片(3)在承口(10)的端部向外弯折。
  7. 如权利要求1所述的一种便于连接的塑料管道，其特征在于：所述导电加热片(22)的宽度略小于塑料片(21)的宽度，导电金属片(3)呈长条状，导 电金属片(3)的与附片(2)相接触部分的长度小于塑料片(21)的宽度。
  8. 如权利要求1所述的一种便于连接的塑料管道，其特征在于：所述附片(2)通过热熔的方式固定在承口(10)的内壁上。
  9. 如权利要求1所述的一种便于连接的塑料管道，其特征在于：所述承口(10)的内径大于管道主体(1)的内径，管道主体(1)与承口(10)之间设有过渡部。
PCT/CN2020/134098 2020-10-20 2020-12-05 一种便于连接的塑料管道 WO2022082943A1 (zh)

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US20060001259A1 (en) * 2004-05-17 2006-01-05 Carter Robert V Jr Mechanical and coil fusion combination seal
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CN207661236U (zh) * 2017-11-30 2018-07-27 江苏狼博管道制造有限公司 一种胶圈电熔双密封聚乙烯复合管件

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN87104983A (zh) * 1986-07-22 1988-02-03 保罗·邦纳赞莱 带有用电焊连结用的整体型加热电阻的聚乙烯管
CN2549301Y (zh) * 2002-05-22 2003-05-07 上海航天长垣新型管道有限公司 电热密封圈熔接承插管接头
US20060001259A1 (en) * 2004-05-17 2006-01-05 Carter Robert V Jr Mechanical and coil fusion combination seal
CN201326859Y (zh) * 2008-12-25 2009-10-14 四川煌盛管业有限公司 电热熔对接转换管件
CN202140730U (zh) * 2011-06-09 2012-02-08 广东联塑科技实业有限公司 一种电热熔管件
CN202252567U (zh) * 2011-10-18 2012-05-30 华汇建设集团有限公司 塑料排水管道电磁熔连接结构
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CN202629455U (zh) * 2012-06-28 2012-12-26 温州市隆大塑业有限公司 温控型电熔管件
CN207661236U (zh) * 2017-11-30 2018-07-27 江苏狼博管道制造有限公司 一种胶圈电熔双密封聚乙烯复合管件

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