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CN104565606B - 用于连接到管的连接器 - Google Patents

用于连接到管的连接器 Download PDF

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Publication number
CN104565606B
CN104565606B CN201410674374.1A CN201410674374A CN104565606B CN 104565606 B CN104565606 B CN 104565606B CN 201410674374 A CN201410674374 A CN 201410674374A CN 104565606 B CN104565606 B CN 104565606B
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tooth
collet chuck
main body
connector according
connector
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CN104565606A (zh
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T·S·格斯特
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John Guest International Ltd
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John Guest International 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
    • F16L33/00Arrangements for connecting hoses to rigid members; Rigid hose-connectors, i.e. single members engaging both hoses
    • F16L33/20Undivided rings, sleeves, or like members contracted on the hose or expanded inside the hose by means of tools; Arrangements using such members
    • F16L33/207Undivided rings, sleeves, or like members contracted on the hose or expanded inside the hose by means of tools; Arrangements using such members only a sleeve being contracted on the hose
    • F16L33/2071Undivided rings, sleeves, or like members contracted on the hose or expanded inside the hose by means of tools; Arrangements using such members only a sleeve being contracted on the hose the sleeve being a separate connecting member
    • 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
    • F16L37/00Couplings of the quick-acting type
    • F16L37/08Couplings of the quick-acting type in which the connection between abutting or axially overlapping ends is maintained by locking members
    • F16L37/084Couplings of the quick-acting type in which the connection between abutting or axially overlapping ends is maintained by locking members combined with automatic locking
    • F16L37/092Couplings of the quick-acting type in which the connection between abutting or axially overlapping ends is maintained by locking members combined with automatic locking by means of elements wedged between the pipe and the frusto-conical surface of the body of the connector
    • F16L37/0925Couplings of the quick-acting type in which the connection between abutting or axially overlapping ends is maintained by locking members combined with automatic locking by means of elements wedged between the pipe and the frusto-conical surface of the body of the connector with rings which bite into the wall of the pipe
    • 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
    • F16L19/00Joints in which sealing surfaces are pressed together by means of a member, e.g. a swivel nut, screwed on, or into, one of the joint parts
    • F16L19/08Joints in which sealing surfaces are pressed together by means of a member, e.g. a swivel nut, screwed on, or into, one of the joint parts with metal rings which bite into the wall of the pipe
    • F16L19/10Joints in which sealing surfaces are pressed together by means of a member, e.g. a swivel nut, screwed on, or into, one of the joint parts with metal rings which bite into the wall of the pipe the profile of the ring being altered
    • F16L19/12Joints in which sealing surfaces are pressed together by means of a member, e.g. a swivel nut, screwed on, or into, one of the joint parts with metal rings which bite into the wall of the pipe the profile of the ring being altered with additional sealing means
    • 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
    • F16L37/00Couplings of the quick-acting type
    • F16L37/08Couplings of the quick-acting type in which the connection between abutting or axially overlapping ends is maintained by locking members
    • F16L37/084Couplings of the quick-acting type in which the connection between abutting or axially overlapping ends is maintained by locking members combined with automatic locking
    • F16L37/092Couplings of the quick-acting type in which the connection between abutting or axially overlapping ends is maintained by locking members combined with automatic locking by means of elements wedged between the pipe and the frusto-conical surface of the body of the connector
    • F16L37/0927Couplings of the quick-acting type in which the connection between abutting or axially overlapping ends is maintained by locking members combined with automatic locking by means of elements wedged between the pipe and the frusto-conical surface of the body of the connector the wedge element being axially displaceable for releasing the coupling

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Infusion, Injection, And Reservoir Apparatuses (AREA)
  • Quick-Acting Or Multi-Walled Pipe Joints (AREA)
  • Joints That Cut Off Fluids, And Hose Joints (AREA)

Abstract

本发明涉及用于连接到管的连接器。具体地,连接器具有主体1,该主体具有将管T容纳在其中的中心通道。在主体内的筒夹30具有设置为当力被施加以撤出管时抓住管T的多个柔性腿32。连接器还包括至少一个第一齿14,该第一齿在垂直于连接器的主轴线的平面呈角度的平面中具有抓握边缘,且相对于主体能够安装以绕主轴线X不能旋转。

Description

用于连接到管的连接器
技术领域
本发明涉及一种用于连接到管的连接器。
特别地,本发明涉及对用于连接到管的连接器的改进,该连接器具有:具有主体,所述主体具有在使用时将管容纳在其中的中心通道,且在其中心限定出主轴线;保持在主体内的筒夹,所述筒夹包括多个柔性腿,所述腿设置为抵靠所述主体中的凸轮表面,使得在所述筒夹上的趋于将其拉出所述主体的力使所述腿与所述凸轮表面相互作用并在使用时向内偏斜以抓住管。这样的连接器随后被称为“所述类型”的。
背景技术
所述类型的筒夹已经通过申请人作出几十年。筒夹被设计为抓住管并防止它在轴向上移动。然而,它们不会阻挡管旋转,因为筒夹本身可以典型地在连接器内旋转。在某些情况下,比如EP2400201中所公开,防止筒夹在其壳体内旋转。在此情况下,筒夹上的齿在管中简单地切割出圆周槽,允许其自由旋转。在很多情况下,管旋转的这种能力不是问题,且确实可为优势,因为其将作用于管上的扭曲应力保持为最小。
然而,在某些情形下,管不能在连接器内旋转会是有利的。比如,在切断阀中,特别是具有长的致动器柄的阀,如果阀的径向定向,则该阀将更为容易和更方便使用。这也会形成更加整洁的安装。
发明内容
本发明旨在提供所述类型的连接器,其中管不易于在连接器内旋转。
根据本发明,所述类型的连接器的特征在于还包括至少一个第一齿,所述第一齿在与垂直于所述轴线的平面成角度的平面中具有抓握边缘,且相对于所述主体被安装以绕所述主轴线不能旋转。
以这种方式成角度的齿,与常规的筒夹齿相比,更容易地能够抵制管的旋转。因为它成角度,所以齿比由典型的筒夹齿表示的“刀刃”来说具有更宽的面。
甚至在抓握边缘和垂直于轴线的平面之间小的角度都会引起对旋转的某种程度的抵制。然而,优选地,相对于垂直于轴线的平面来说,该角度在20°和70°之间,更优选地在30°和60°之间。
第一齿或每一个第一齿可在筒夹中,且筒夹相对于主体绕主轴线不能旋转。替代地,第一齿或者每一个第一齿可在与相对于主体绕主轴线不能旋转的筒夹不同的部件内。
齿可以定位在通道的非锥形部分内。然而,这会提供相对小的抓握力,或者可能在插入时过多地干涉管。因此,优选地,壳体具有锥形表面,其在轴向上为锥形,且定位成促使所述第一齿或每一个第一齿在其轴向移动到主体中时径向向内。这初始地允许用于管的插入的更大空间,但使第一齿或者每一个第一齿被径向向内驱使,因而增加了抓握力,且由此增加了对管的旋转的抵制。
在插入时管本身将第一齿或者每一个第一齿驱使到锥形表面上是可能的。然而,优选地,连接器还包括锁定环,其布置为在插入管后沿着主体前进,且这样使锥形表面促使第一齿径向向内。因此,管将在不受第一齿或者每一个第一齿的干涉下插入到适当的位置,于是锁定环可以移动到位,因而使第一齿或者每一个第一齿抓住管。
主体还设置有径向锥形表面,其定位为促使第一齿在其绕轴线被促使时径向向内。该径向锥形表面的本质是指,如果管并因此第一齿或每一第一齿应开始绕轴线旋转,则径向锥形表面将使第一齿或者每一齿更紧地抓住管,因而通过旋转力增加了抵制力。
如果筒夹在主体内不能旋转,则这可以通过筒夹接合主体的内部上的特征来完成。替代地,连接器还可包括套管,其具有至少一条腿,而该至少一条腿与筒夹腿协作以防止筒夹的旋转。这个套管可提供设置有第一齿的上述类型的部件。如此,套管将用于承载第一齿或者每一第一齿和防止筒夹的旋转两者。
作为另一替代方式,筒夹设置有在腿的端面上的特征,其接合相对于主体被固定的互补特征,以防止筒夹的旋转。这些互补特征可直接设置在主体上,或者可以设置在环上,该环具有一组齿,其与壳体接合以防止环相对于壳体的旋转。
筒夹不必具有齿。如果是这种情况,则第一齿或每一第一齿可在某种程度上帮助抵制管的轴向移动。然而,优选地,连接器还包括至少一个第二齿,该第二齿在筒夹上,且具有在垂直于轴线的平面中的抓握边缘。这增强了筒夹提供抵制管的轴向运动的能力。
单个第一齿将提供对旋转的合理程度的抵制。然而,优选地,多个分立的第一齿绕主轴线在圆周上间隔开。这提供了较好分布的抵制力。当多于一个第一齿时,连接器的相反侧上的第一齿可共面。然而,优选地,每个第一齿以相对的方式与连接器的相反侧上的第一齿成角度。有效地,当从侧面看时,在一对相反的第一齿上向下看,第一齿将以X形彼此交叉。再次,这提供了较好分布的抵制力,且不会趋于在连接器上形成由此形成的轴向力。例如如果具有奇数的第一齿,则第一齿在连接器的精确相反侧上不会具有一对。然而,优选的是,与大体上位于连接器的相反侧上的那些齿相比,第一齿以相反的方式仍是倾斜的。
附图说明
现在将参考附图描述根据本发明的连接器的示例,其中:
图1为组装之前第一示例的壳体和套管的截面图;
图2为图1的部件的剪切透视图;
图3为第一示例的连接器的截面图,其中插入管并且锁定环解锁;
图4为与图3相似的视图,其中锁定环锁定;
图5为第二示例的分解透视图;
图6为与图5相似的透视图,但是从相反端部看;
图7为第二示例的相当于图3的视图;
图8为第二示例的相当于图4的视图;
图9为第三示例的分解透视图;
图10为从图9相反端看的分解透视图;
图11为第三示例的相当于图3的视图;
图12为第三示例的相当于图4的视图;
图13为第四示例的分解透视图;
图14为第四示例的分解截面图;
图15为第四示例的相当于图3的视图;以及
图16为第四示例的相当于图4的视图。
具体实施方式
在说明示例之前,将对后续说明中使用的术语进行说明。连接器本质上是大体管状的,且具有主轴线X,其还对应于插入到连接器中的管的轴线。连接器在一端部具有嘴部,管插入到其中。径向和圆周方向相对于轴线X限定。具有嘴部的端部将被称为近端,而相反端被为远端。
连接器的第一示例在图1到4中示出。
这包括主体1,其具有居中于轴线X的大体上管状的结构,并具有从在近端处的相对宽的嘴部3延伸到在远端处的窄的出口4的通道2。在通道2内,大约中间,沿着主体1为多个圆周设置的雉堞结构(castellation或齿形结构)5,在图2中最好地示出。它们设置为使得通道的直径在这点上是断续地窄。在齿形结构5之间,具有倾斜表面6,其表示在通道2的横截面上朝着远端逐渐下降。下面描述齿形结构5和倾斜表面6的目的。朝着出口4,通道2设置有环形肩7,其表示在横截面上的下降并且为管T提供端部止挡,如图3和4最好地示出。主体1的近端设置有阳螺纹8,其目的在下面说明。
插入到壳体1的通道2中的第一部件为环形套管10。这在近端处具有环形部11,多个腿12从其远侧地突出。这些腿12与它们适配到的齿形结构5之间的空间在数量和尺寸上对应。腿12中每一个的最外边缘13与倾斜表面6接合,如图3和4最好地示出。腿12中每一个提供有倾斜齿14。当从平面视图看时,齿14相对于轴线X呈约45°的角,如图1最好地示出。
在套管10插入到主体1中的通道2中后,O形环密封件20跟随其后,该密封件20接合套管10的环形部11,并在管T和主体1之间形成密封。如可从图3和4看出,套管10与管T处于密封件20的相同侧,并被称为“湿”侧。
O形环20后为间隔环21,其邻抵密封件20。
在间隔环21后为筒夹30,其具有常规构造。这包括在近端处的环形端部31,多个腿32从其远侧地延伸。每一腿32具有向内突出的第二齿33,其切割边缘处在以常规方式垂直于轴线X的平面中。
锁定环40绕着筒夹30的中心部,并具有阴螺纹41,其接合连接器1上的阳螺纹8。在其初始构造中,连接器的部件处于图3所示的位置中,其中锁定环40未完全拧到主体1上。因此,通道内的部件在小的程度上自由轴向移动。通过以这种构造的连接器,管T插入到通道2中,直到其到达肩7上。一旦其完全接合,锁定环40拧紧到主体1中,将部件移动到图4所示的位置。在锁定环40拧紧时,倾斜表面42接合筒夹30的腿32,并将它们远侧地移动。继而,这将间隔环21、O形环密封件20以及套管10远侧地推动到图4所示的位置中。套管10的腿12的边缘31跑上斜面6,并被迫向内,因而使倾斜齿14抓住管T,如图4所示。部件被保持在这个位置,因为锁定环40防止它们轴向移动。在腿被迫升到斜面42时,管T上的在将其拉离连接器的方向上的任何轴向力使筒夹的第二齿33更紧地抓住管T,这对于该类型的筒夹是常规的。此外,倾于使管T绕着轴线X旋转的任何力通过倾斜齿14抵御。
如图所示,齿形结构5和对应的腿12的侧边位于大体径向平面。然而,这些表面可在如下意义上倾斜于该径向平面,即:施加到套管10的任意旋转力将使腿12骑上这些倾斜表面,从而以与筒夹的第二齿33提供由倾斜表面42引起的增加的抓握力的相似方式在管旋转时增加由倾斜齿14施加的抓握力。
为了从连接器移除管T,锁定环40拧开到图3所示的位置,且筒夹30压入连接器中,使得筒夹腿可以不受倾斜表面42的影响而自由地径向扩展。同样地,套管10的腿12自由地在斜面6上滑回,再次释放管,使得其可以容易地从连接器拉出。
连接器的第二示例在图5-8中示出。在此,相同的部件将以相同的附图标记来标示,且仅详细说明区别。
在第二示例中,第一示例中的套管10以及齿形结构5和斜面6不再存在。而是,倾斜齿14设置在筒夹30上,如图6最好地示出。所有的齿都可以是倾斜类型的。替代地,一些可以是倾斜的,而一些是在径向平面中的常规的齿33,如图6所示。替换套管10,第二示例使用在筒夹端部上的特征和间隔件以防止旋转。因此,间隔件在其径向最外侧表面上提供有多个齿22,其与主体1的近端的内表面的互补齿23接合,如图5最好地示出。一旦间隔件21在适当位置,齿22和23相互接合,防止间隔件21的旋转。在间隔环21的轴向端面上是多个圆周地设置的凸起24。如图5和6显见,它们在间隔环21的两面上都存在。然而,只有面对筒夹的那些是起作用的。它们设置在两侧上,使得间隔件21可以在任一方向插入。
互补的凸起34设置在筒夹30的远侧端面上,如图6所示。这些接合间隔环21上的凸起24,使得筒夹30相对于间隔件21不能旋转,并因此相对于联接件的其余不能旋转。尽管描述为凸起24、34,但这些可同样地在表面之一中为凹部。重要的要求在于,两组特征是互补的并如上所述防止相对旋转。
在如图7所示的构造中的部件的情况下,管T插入。锁定环40继而拧入到图8所示的位置,使筒夹齿向内移动并如上所述抓住管。这也使凸起24和34相互接合,从而防止管T的旋转。
连接器的第三示例在图9-12中示出。
该示例与第二示例是相似的,在于倾斜齿14设置在筒夹上。间隔件21设置有四个近侧地凸起的腿25,该腿具有放大的端部26,其到达主体1的近端面中的U形凹部27。筒夹的腿32适配在这些腿25之间,使得筒夹不能旋转。
锁定环40不具有螺纹,但是设置为相对于主体1旋转90°,使得特征43接合筒夹30,并促使它远离主体1。远端具有波状轮廓44,其选择性地覆盖主体1上的特征45,以提供锁定环处于其锁定位置的视觉指示。
图10还显示连接器的相反侧上的倾斜齿14如何定向。如可以在图10中所见,一侧上的齿以相反的方式与另一侧上的齿呈角度,这样,如果直接从侧面看这两个的话,它们会以X形交叉。
连接器的第四示例在图13-16中示出。
第四示例在结构和操作上与第一示例相似,在于其具有带有倾斜齿14的套管10。在第四示例中,套管10的旋转通过一对突起15来防止,该突起15适配到主体1的近端的内表面中的互补键槽16中。
该连接器的操作大体上与第一示例的操作相同。然而,如图15和16最好地可见,倾斜齿14比它们在第一示例中更靠近连接器的嘴部。它们定位成使得锁定环40上的倾斜表面42将它们向内推动到管T,如图16最好地所示。因此,倾斜表面42将倾斜齿14以及筒夹上的第二齿33(在图15和16中未示出,因为它们不在该剖面的平面中)偏压成与管T接合。

Claims (15)

1.一种连接器,具有主体,所述主体具有在使用时将管容纳在其中的中心通道,且在其中心限定出主轴线;保持在所述主体内的筒夹,所述筒夹包括多个柔性腿,所述腿设置为抵靠所述主体中的凸轮表面,使得在所述筒夹上的趋于将其拉出所述主体的力使所述腿与所述凸轮表面相互作用并在使用时向内偏斜以抓住管;还包括至少一个第一齿,所述第一齿在与垂直于所述轴线的平面成角度的平面中具有抓握边缘,且相对于所述主体被安装以使所述管绕所述主轴线不能旋转。
2.根据权利要求1所述的连接器,其特征在于,所述抓握边缘的所述平面相对于垂直于所述轴线的所述平面的角度在20°到70°之间。
3.根据权利要求1所述的连接器,其特征在于,所述抓握边缘的所述平面相对于垂直于所述轴线的所述平面的角度在30°到60°之间。
4.根据前述权利要求中任一项所述的连接器,其特征在于,所述至少一个第一齿中的每个在所述筒夹中,且所述筒夹相对于所述主体绕所述主轴线不能旋转。
5.根据权利要求4所述的连接器,其特征在于,所述筒夹与所述主体的内部上的特征能够接合。
6.根据权利要求5所述的连接器,其特征在于,所述筒夹在所述腿的端面上设置有特征,其与相对于所述主体被固定的互补特征接合以防止所述筒夹的旋转。
7.根据权利要求1-3中任一项所述的连接器,其特征在于,所述至少一个第一齿中的每个在不同于所述筒夹的部件中,且所述筒夹相对于所述主体绕所述主轴线不能旋转。
8.根据权利要求7所述的连接器,其特征在于,还包括套管,其具有至少一条腿,所述至少一条腿与所述筒夹腿协作以防止所述筒夹的旋转。
9.根据权利要求8所述的连接器,其特征在于,所述套管提供不同于所述筒夹的部件。
10.根据权利要求1-3中任一项所述的连接器,其特征在于,所述主体具有锥形表面,其在轴向上为锥形,且定位成促使所述至少一个第一齿中的每个在其轴向移动到所述主体中时径向向内。
11.根据权利要求10所述的连接器,其特征在于,连接器还包括锁定环,其布置为在插入管后沿着所述主体前进,且使所述锥形表面促使所述第一齿径向向内。
12.根据权利要求1-3中任一项所述的连接器,其特征在于,所述主体设置有径向锥形表面,其定位为促使所述第一齿在其绕所述轴线被促使时径向向内。
13.根据权利要求1-3中任一项所述的连接器,其特征在于,还包括至少一个第二齿,所述第二齿在所述筒夹上,且在垂直于所述轴线的平面中具有抓握边缘。
14.根据权利要求1-3中任一项所述的连接器,其特征在于,多个分立的第一齿绕所述主轴线圆周地间隔开。
15.根据权利要求14所述的连接器,其特征在于,每一个第一齿以相反的方式与位于所述连接器的相反侧上的第一齿成角度。
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US9551447B2 (en) 2017-01-24
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AU2014240306A1 (en) 2015-04-30
AU2014240306B2 (en) 2018-10-18
GB201317952D0 (en) 2013-11-27
CN104565606A (zh) 2015-04-29
NZ700841A (en) 2016-06-24
KR20150042141A (ko) 2015-04-20
EP2860435B1 (en) 2018-04-11
KR102208942B1 (ko) 2021-01-28
PL2860435T3 (pl) 2018-09-28
US20150102598A1 (en) 2015-04-16

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