CN108138998B - 包括用于一系列管道直径的可折叠密封件的管道联接件 - Google Patents

包括用于一系列管道直径的可折叠密封件的管道联接件 Download PDF

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CN108138998B
CN108138998B CN201680049172.5A CN201680049172A CN108138998B CN 108138998 B CN108138998 B CN 108138998B CN 201680049172 A CN201680049172 A CN 201680049172A CN 108138998 B CN108138998 B CN 108138998B
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seal
pipe
foldable portion
pipe coupling
inner diameter
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CN108138998A (zh
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阿维·奇波鲁特
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Klaus Industries Ltd.
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L25/00Constructive types of pipe joints not provided for in groups F16L13/00 - F16L23/00 ; Details of pipe joints not otherwise provided for, e.g. electrically conducting or insulating means
    • F16L25/06Constructive types of pipe joints not provided for in groups F16L13/00 - F16L23/00 ; Details of pipe joints not otherwise provided for, e.g. electrically conducting or insulating means comprising radial locking means
    • F16L25/065Constructive types of pipe joints not provided for in groups F16L13/00 - F16L23/00 ; Details of pipe joints not otherwise provided for, e.g. electrically conducting or insulating means comprising radial locking means the locking means being actuated by radial screws
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L21/00Joints with sleeve or socket
    • F16L21/02Joints with sleeve or socket with elastic sealing rings between pipe and sleeve or between pipe and socket, e.g. with rolling or other prefabricated profiled rings
    • F16L21/022Joints with sleeve or socket with elastic sealing rings between pipe and sleeve or between pipe and socket, e.g. with rolling or other prefabricated profiled rings used with sleeves or nipples for pipes of the same diameter, or with reduction pieces
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L21/00Joints with sleeve or socket
    • F16L21/06Joints with sleeve or socket with a divided sleeve or ring clamping around the pipe-ends
    • F16L21/065Joints with sleeve or socket with a divided sleeve or ring clamping around the pipe-ends tightened by tangentially-arranged threaded pins
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L25/00Constructive types of pipe joints not provided for in groups F16L13/00 - F16L23/00 ; Details of pipe joints not otherwise provided for, e.g. electrically conducting or insulating means
    • F16L25/12Joints for pipes being spaced apart axially
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L25/00Constructive types of pipe joints not provided for in groups F16L13/00 - F16L23/00 ; Details of pipe joints not otherwise provided for, e.g. electrically conducting or insulating means
    • F16L25/14Joints for pipes of different diameters or cross-section

Abstract

一种管道联接件(10),包括:夹具外壳(14),夹具外壳(14)包括至少一个端部(16),所述至少一个端部(16)具有两个相对的夹具构件(18)以及一个或多个收紧元件(20),该一个或多个收紧元件(20)用于在横向于所述夹具外壳(14)的轴向长度的方向上朝着彼此收紧所述夹具构件(18),以便在被夹紧在所述夹具外壳(14)中的管道(22)上施加径向向内的夹紧力;和至少部分环状的密封件(12),其被安装在所述夹具外壳(14)的所述至少一个端部(16)中,所述密封件(12)具有向内折叠构造和向外折叠构造,在向内折叠构造中所述密封件(12)的可折叠部(24)向内折叠以形成第一内径,在向外折叠构造中所述密封件(12)的所述可折叠部(24)向外展开以形成第二内径,第二内径大于所述第一内径。

Description

包括用于一系列管道直径的可折叠密封件的管道联接件
技术领域
本发明总的涉及用于管道的联接件(或夹具)和夹环,并且具体地涉及一种用于联接件的密封件,当被向内折叠时,该密封件密封在第一直径的管道上,并且当被向外折叠时,该密封件密封在第二、更大直径的管道上。
背景技术
在本领域中存在许多种类的用于管道的可移除带型联接件。应注意,在本说明书和权利要求书各处,术语“管道”包含任何种类的大致圆筒形物体。
这些联接件具有弹性体密封组件,弹性体密封组件被收紧以对于管道形成水密密封。已知能够用于一系列管道直径的联接件。通常,这些密封组件具有两层衬垫(密封件),例如由第一环密封件坐落在第二环密封件上构成。密封件能够容易地彼此脱离,以允许密封在不同直径的管道上。对于较小直径的管道,使用第一环密封件和第二环密封件两者;对于较大直径,仅使用一个密封件。
发明内容
如下文更详细描述地,本发明寻求提供一种改进的密封组件。与现有技术不同,当被向内折叠时,本发明的密封组件密封在第一直径的管道上,并且当被向外折叠时,本发明的密封组件密封在第二、较大直径的管道上,由此以单一密封环补偿管道的直径的差异。
因而,根据本发明的实施例提供一种管道联接件,包括:夹具外壳,夹具外壳包括至少一个端部,所述至少一个端部具有两个相对的夹具构件以及一个或多个收紧元件,所述一个或多个收紧元件用于在横向于夹具外壳的轴向长度的方向上朝着彼此收紧夹具构件,以便在被夹紧在夹具外壳中的管道上施加径向向内的夹紧力;和至少部分环状的密封件,该密封件被安装在夹具外壳的至少一个端部中,该密封件具有向内折叠构造和向外折叠构造,在向内折叠构造中密封件的可折叠部向内折叠以形成第一内径,在向外折叠构造中密封件的可折叠部向外展开以形成第二内径,第二内径大于第一内径。
根据本发明的实施例,可折叠部位于密封件的轴向端部处。
根据本发明的实施例,在向内折叠构造中,可折叠部被折叠在密封件的从可折叠部径向偏移的另一部分上。
根据本发明的实施例,密封件的可折叠部和另一部分包括匹配部(例如至少部分环状的脊和沟槽),匹配部在向内折叠构造中彼此匹配。
根据本发明的实施例,密封件的另一部分由外部构件折叠在内部构件上而构造,以便限定在内部构件和外部构件之间并且由内部构件和外部构件界定的至少一个内部环状空间。
根据本发明的实施例,在向内折叠构造中,存在彼此不匹配而是被间隙彼此分离的密封件的可折叠部和另一部分的表面,并且间隙与匹配部流体连通。间隙可用于插入手指,以抓握和移动密封件的可折叠部。
附图说明
结合附图,从下文详细说明将更完全地理解和明白本发明,在附图中:
图1A和1B分别是根据本发明的非限制性实施例构造和操作的具有密封件的管道联接件的简化图示和部分剖视图,其中密封件处于向内折叠构造;
图2A和2B分别是管道联接件的简化图示和部分剖视图,其中密封件处于向外折叠构造;
图3A和3B分别是处于向内折叠构造的密封件的简化截面和放大截面图示;并且
图4A和4B分别是处于向外折叠构造的密封件的简化截面和放大截面图示。
具体实施方式
现在参考图1A和1B,图1A和1B示出根据本发明的非限制性实施例构造和操作的具有密封件12的管道联接件10。
管道联接件10包括夹具外壳14,夹具外壳14具有一个或多个端部16(在所示实施例中示出两个)。夹具外壳14可以是圆筒形的或者部分圆筒形的,或者是任何其它形状。端部16设置有两个相对的夹具构件18以及一个或多个收紧元件20,所述一个或多个收紧元件20用于在横向于夹具外壳14的轴向长度的方向上朝着彼此收紧夹具构件18,以便在被夹紧在夹具外壳14中的管道22(在图1A中以虚线部分地示出)上施加径向向内的夹紧力。
密封件12是至少部分环状的密封件,意味着取决于特定应用,其可以是完整360°的密封环,或者可以是跨度小于360°的角度的部分环。密封件12被安装在夹具外壳14的端部16中。在图1A-1B中,密封件12处于向内折叠构造,其中密封件12的可折叠部24(图1B)向内折叠,以形成第一内径。在图2A-2B中,密封件12处于向外折叠构造,其中可折叠部24向外展开,以形成第二内径,第二内径大于第一内径。
不受限制地,密封件12可由与管道中输运的流体相容的橡胶(例如EPDM橡胶(三元乙丙橡胶)、丁基橡胶、苯乙烯丁二烯或氯丁橡胶)或热塑性弹性体(例如聚氨酯或烯烃)制成。例如,不受限制地,密封件12可由具有70-80邵氏A硬度的EPDM橡胶制成。
在一个实施例中,可折叠部24位于密封件12的轴向端部处,但是可位于密封件上的其它位置处。
现在参考图3A-3B。根据本发明的实施例,在向内折叠构造中,可折叠部24折叠在密封件12的从可折叠部24径向偏移的另一部分26上(例如,部分26被示出为从可折叠部24径向向外,但是作为代替,可径向向内)。可折叠部24和另一部分26可包括匹配部,匹配部在向内折叠构造中彼此匹配。例如,匹配部可包括至少部分环状的脊28和至少部分环状的沟槽30。当处于向内折叠构造时,匹配部帮助将可折叠部24维持到位。
可折叠部24可铰接地附接至密封件12的另一部分26。部分24和26可以是一体构造,或者可替选地,可折叠部24可诸如通过粘合、机械紧固或者任何其它适当的方法接合至另一部分26。
在所示实施例中,密封件12的另一部分26由外部构件32折叠在内部构件34上而构造,以便限定处于内部构件34和外部构件32之间并且由内部构件34和外部构件32界定的至少一个内部环状空间36。如本领域中已知的,进入内部环状空间36(诸如经由在密封件的侧壁中形成的未示出的孔口)的任何流体都在内部环状空间36中施加压力,以提高密封件12在管道上的收紧。
在所示实施例中,如在图3B的向内折叠构造中所见,分别存在密封件的可折叠部和另一部分的表面38和40,其彼此不匹配,而是由间隙42彼此分离。间隙42与匹配部流体连通,由此允许流体流动到匹配部,并且在匹配部中施加压力,从而产生液压力,以提高密封件12在管道上的收紧。间隙可用于将手指插入,以抓握和移动密封件的可折叠部。

Claims (6)

1.一种管道联接件,包括:
夹具外壳,所述夹具外壳包括至少一个端部,所述至少一个端部具有两个相对的夹具构件以及一个或多个收紧元件,所述一个或多个收紧元件用于在横向于所述夹具外壳的轴向长度的方向上朝着彼此收紧所述夹具构件,以便在被夹紧在所述夹具外壳中的管道上施加径向向内的夹紧力;和
至少部分环状的密封件,所述密封件被安装在所述夹具外壳的所述至少一个端部中,所述密封件的可折叠部(24)可铰接地附接至密封件的另一部分(26),具有:向内折叠构造,在所述向内折叠构造中所述密封件的可折叠部(24)向另一部分(26)内侧折叠以形成第一内径;或向外折叠构造,在所述向外折叠构造中所述密封件的所述可折叠部(24)向另一部分(26)外侧展开以形成第二内径,所述第二内径大于所述第一内径;
其中在所述向内折叠构造中,所述可折叠部被折叠在所述密封件的从所述可折叠部径向偏移的另一部分上。
2.根据权利要求1所述的管道联接件,其中所述可折叠部位于所述密封件的轴向端部处。
3.根据权利要求1所述的管道联接件,其中所述密封件的所述可折叠部和所述另一部分包括匹配部,所述匹配部在所述向内折叠构造中彼此匹配。
4.根据权利要求1所述的管道联接件,其中所述密封件的所述另一部分由外部构件折叠在内部构件上而构造,以便限定位于所述内部构件和所述外部构件之间并且由所述内部构件和所述外部构件界定的至少一个内部环状空间。
5.根据权利要求3所述的管道联接件,其中所述匹配部包括匹配的至少部分环状的脊和至少部分环状的沟槽。
6.根据权利要求3所述的管道联接件,其中在所述向内折叠构造中,存在彼此不匹配而是被间隙彼此分离的所述密封件的所述可折叠部和所述另一部分的表面,并且所述间隙与所述匹配部流体连通。
CN201680049172.5A 2015-08-24 2016-08-19 包括用于一系列管道直径的可折叠密封件的管道联接件 Active CN108138998B (zh)

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US14/833,254 US9816649B2 (en) 2015-08-24 2015-08-24 Foldable seal for range of pipe diameters
US14/833,254 2015-08-24
PCT/IB2016/054973 WO2017033109A1 (en) 2015-08-24 2016-08-19 Pipe coupling including a foldable seal for range of pipe diameters

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US5711536A (en) * 1994-05-11 1998-01-27 Tuf-Tite, Inc. Seal component for use in on-site poured concrete or plastic tank or box components of fluid distribution systems

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CA2996082C (en) 2023-09-12
AU2016310634B2 (en) 2020-08-20
CA2996082A1 (en) 2017-03-02
WO2017033109A1 (en) 2017-03-02
US9816649B2 (en) 2017-11-14
EP3341640A1 (en) 2018-07-04
CN108138998A (zh) 2018-06-08
US20170059070A1 (en) 2017-03-02
AU2016310634A1 (en) 2018-03-08
EP3341640B1 (en) 2023-01-18

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