CN1405480A - 管接头及其制造装置 - Google Patents

管接头及其制造装置 Download PDF

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CN1405480A
CN1405480A CN02146869A CN02146869A CN1405480A CN 1405480 A CN1405480 A CN 1405480A CN 02146869 A CN02146869 A CN 02146869A CN 02146869 A CN02146869 A CN 02146869A CN 1405480 A CN1405480 A CN 1405480A
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main body
ring
pipe joint
distolateral
type element
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CN1249372C (zh
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武藤正明
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SMC Corp
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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
    • F16L15/00—Screw-threaded joints; Forms of screw-threads for such joints
    • 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
    • F16L13/00—Non-disconnectible pipe-joints, e.g. soldered, adhesive or caulked joints
    • F16L13/14—Non-disconnectible pipe-joints, e.g. soldered, adhesive or caulked joints made by plastically deforming the material of the pipe, e.g. by flanging, rolling
    • F16L13/141—Non-disconnectible pipe-joints, e.g. soldered, adhesive or caulked joints made by plastically deforming the material of the pipe, e.g. by flanging, rolling by crimping or rolling from the outside
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D39/00—Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating; Tube expanders
    • B21D39/04—Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating; Tube expanders of tubes with tubes; of tubes with rods
    • B21D39/048—Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating; Tube expanders of tubes with tubes; of tubes with rods using presses for radially crimping tubular elements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B27/00—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
    • B25B27/02—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for connecting objects by press fit or detaching same
    • B25B27/10—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for connecting objects by press fit or detaching same inserting fittings into hoses
    • 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
    • F16L13/00—Non-disconnectible pipe-joints, e.g. soldered, adhesive or caulked joints
    • F16L13/14—Non-disconnectible pipe-joints, e.g. soldered, adhesive or caulked joints made by plastically deforming the material of the pipe, e.g. by flanging, rolling
    • F16L13/141—Non-disconnectible pipe-joints, e.g. soldered, adhesive or caulked joints made by plastically deforming the material of the pipe, e.g. by flanging, rolling by crimping or rolling from the outside
    • F16L13/142—Non-disconnectible pipe-joints, e.g. soldered, adhesive or caulked joints made by plastically deforming the material of the pipe, e.g. by flanging, rolling by crimping or rolling from the outside with a sealing element inserted into the female part before crimping or rolling
    • 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
    • F16L13/00—Non-disconnectible pipe-joints, e.g. soldered, adhesive or caulked joints
    • F16L13/14—Non-disconnectible pipe-joints, e.g. soldered, adhesive or caulked joints made by plastically deforming the material of the pipe, e.g. by flanging, rolling
    • F16L13/141—Non-disconnectible pipe-joints, e.g. soldered, adhesive or caulked joints made by plastically deforming the material of the pipe, e.g. by flanging, rolling by crimping or rolling from the outside
    • F16L13/143—Non-disconnectible pipe-joints, e.g. soldered, adhesive or caulked joints made by plastically deforming the material of the pipe, e.g. by flanging, rolling by crimping or rolling from the outside with a sealing element placed around the male part before crimping or rolling
    • 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
    • F16L33/00—Arrangements for connecting hoses to rigid members; Rigid hose connectors, i.e. single members engaging both hoses
    • F16L33/20—Undivided rings, sleeves or like members contracted on the hose or expanded in the hose by means of tools; Arrangements using such members
    • F16L33/207—Undivided rings, sleeves or like members contracted on the hose or expanded in the hose by means of tools; Arrangements using such members only a sleeve being contracted on the hose
    • F16L33/2071—Undivided rings, sleeves or like members contracted on the hose or expanded in 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
    • 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
    • F16L33/00—Arrangements for connecting hoses to rigid members; Rigid hose connectors, i.e. single members engaging both hoses
    • F16L33/20—Undivided rings, sleeves or like members contracted on the hose or expanded in the hose by means of tools; Arrangements using such members
    • F16L33/207—Undivided rings, sleeves or like members contracted on the hose or expanded in the hose by means of tools; Arrangements using such members only a sleeve being contracted on the hose
    • F16L33/2071—Undivided rings, sleeves or like members contracted on the hose or expanded in 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
    • F16L33/2073—Undivided rings, sleeves or like members contracted on the hose or expanded in 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 directly connected to the rigid member
    • 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
    • F16L37/00—Couplings of the quick-acting type
    • F16L37/08—Couplings of the quick-acting type in which the connection between abutting or axially overlapping ends is maintained by locking members
    • F16L37/084—Couplings of the quick-acting type in which the connection between abutting or axially overlapping ends is maintained by locking members combined with automatic locking
    • F16L37/091—Couplings 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 a ring provided with teeth or fingers
    • F16L37/0915—Couplings 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 a ring provided with teeth or fingers with a separate member for releasing the coupling
    • 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
    • F16L37/00—Couplings of the quick-acting type
    • F16L37/08—Couplings of the quick-acting type in which the connection between abutting or axially overlapping ends is maintained by locking members
    • F16L37/084—Couplings of the quick-acting type in which the connection between abutting or axially overlapping ends is maintained by locking members combined with automatic locking
    • F16L37/092—Couplings 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
    • F16L37/0925—Couplings 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
    • 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
    • F16L37/00—Couplings of the quick-acting type
    • F16L37/08—Couplings of the quick-acting type in which the connection between abutting or axially overlapping ends is maintained by locking members
    • F16L37/084—Couplings of the quick-acting type in which the connection between abutting or axially overlapping ends is maintained by locking members combined with automatic locking
    • F16L37/092—Couplings 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
    • F16L37/0926—Couplings 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 an inner support sleeve arranged within the pipe
    • 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
    • F16L37/00—Couplings of the quick-acting type
    • F16L37/08—Couplings of the quick-acting type in which the connection between abutting or axially overlapping ends is maintained by locking members
    • F16L37/084—Couplings of the quick-acting type in which the connection between abutting or axially overlapping ends is maintained by locking members combined with automatic locking
    • F16L37/092—Couplings 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
    • F16L37/0927—Couplings 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
    • 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
    • F16L37/00—Couplings of the quick-acting type
    • F16L37/08—Couplings of the quick-acting type in which the connection between abutting or axially overlapping ends is maintained by locking members
    • F16L37/084—Couplings of the quick-acting type in which the connection between abutting or axially overlapping ends is maintained by locking members combined with automatic locking
    • F16L37/098—Couplings 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 flexible hooks
    • F16L37/0982—Couplings 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 flexible hooks with a separate member for releasing the coupling
    • 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
    • F16L47/12—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 with additional locking means
    • 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
    • F16L47/20—Connecting arrangements or other fittings specially adapted to be made of plastics or to be used with pipes made of plastics based principally on specific properties of plastics
    • F16L47/24—Connecting arrangements or other fittings specially adapted to be made of plastics or to be used with pipes made of plastics based principally on specific properties of plastics for joints between metal and plastics pipes
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/53—Means to assemble or disassemble
    • Y10T29/536—Piston ring inserter or remover
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/53—Means to assemble or disassemble
    • Y10T29/53657—Means to assemble or disassemble to apply or remove a resilient article [e.g., tube, sleeve, etc.]
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/53—Means to assemble or disassemble
    • Y10T29/5367—Coupling to conduit
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/53—Means to assemble or disassemble
    • Y10T29/53796—Puller or pusher means, contained force multiplying operator
    • Y10T29/5383—Puller or pusher means, contained force multiplying operator having fluid operator

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Quick-Acting Or Multi-Walled Pipe Joints (AREA)
  • Branch Pipes, Bends, And The Like (AREA)
  • Joints That Cut Off Fluids, And Hose Joints (AREA)

Abstract

将金属材料制成的环形元件(24、58a、58b)紧固和安装到由树脂材料制成的主体(12)的外圆表面上。因而防止主体(12)向外变形。当管接头(10)被用于高温大气条件下，即使由于任何外界作用力或通过管接头(10)的压力流体产生的任何作用力，朝着引起流体管(102)与管接头(10)脱离的方向产生作用，也能够可靠地防止***主体(12)的流体管(102)和连接件(14)脱离。

Description

管接头及其制造装置
本发明是申请日为1999年5月13日、申请号为99106397.X的名称为“管接头及其制造装置”的分案申请。
本发明涉及管接头和制造这种管接头的装置，以便将流体管连接到压力流体的驱动装置上，例如电磁操纵阀或压力缸，流体管设有通道，以便引导或排出压力流体或类似物。
迄今为止，管接头用于将流体管连接到压力流体驱动装置，例如电磁操纵阀或压力缸。那些已知的管接头包括由树脂材料制成主体的管接头，以便将流体管***主体中。
但是，在如上所述的常规技术中的管接头与具有由金属材料制成主体的管接头相比具有以下缺点。即，当管接头用于高温大气条件下时，由树脂材料制成的主体趋于产生向外的变形。当由于任何外力，或通过管接头内侧的压力流体产生的任何作用力沿着引起管接头脱离的方向作用在流体管上时，流体管可能与管接头相互脱离。
还令人担忧的是，当任何外力，例如震动作用在由树脂材料制成的主体上时，主体可能与螺纹连接在压力流体驱动装置上的连接件相互脱离。
本发明的一般目的是提供一种管接头，其能够防止具有用于导通流体的通道的流体管与由树脂材料制成的主体相互脱开。
本发明的基本目的是提供一种管接头，其能够防止由树脂材料制成的主体与螺纹连接于压力流体驱动装置的连接件相互脱开。
本发明的另一个目的是提供一种制造管接头的装置，其能够方便地将环形元件紧固安装到主体的外圆表面。
下面参照附图，通过描述本发明的优选实施例，可以更加清楚地理解本发明的上述和其它目的、特征和优点。
下面对附图进行简要描述。
图1是本发明的一个实施例的管接头的主视图；
图2是沿着图1中管接头的轴线方向所示的纵向剖视图；
图3是图1中所示管接头的分解立体图；
图4是紧固装置的纵向剖视图，其用于紧固图1所示管接头的环形元件；
图5表示图4所示紧固装置的立体图，其中部分零部件被省略；
图6表示图4中所示紧固装置和连接件的局部放大的纵向剖视图；
图7表示图4中所示紧固装置和连接/拆卸机构的局部放大的纵向剖视图；
图8表示应用图4所示紧固装置的方法，其通过纵向剖视图描绘了紧固元件紧固环形元件的状态。
参照图1和2，标号10表示本发明的实施例的管接头。管接头10具有圆柱形主体12，其由树脂材料制成，所述主体12基本上具有L形弯曲轮廓。形成的通道13穿过主体12。连接件14由金属材料制成，其具有使流体通过的通道15，连接件14安装于主体12的第一端。在连接件14的外圆表面设有环形扩张部16，其具有尖锐的横截面。环形扩张部16切入主体12的内壁表面，因此可以防止连接件14从主体12中脱开。
在主体12和连接件14之间的连接部分设有环形槽，O形密封圈20安装在此环形槽中。因此可以防止通过主体12内侧的压力流体泄漏。在连接件14的端部外圆表面设有公螺纹22。例如，通过公螺纹22，管接头10连接到未图示的压力缸、电磁操纵阀或类似物上。
环形元件24用于紧固在主体12和连接件14之间的连接位置，环形元件24安装于主体12的外圆表面。环形元件24由金属材料制成，通过在主体外圆部分26夹紧，将环形元件24安装到主体12的外圆表面。
在主体12的第二端的内壁设有第一台阶部分28和第二台阶部分30。构成连接/拆卸机构32的套筒34的法兰36与第一台阶部分28接触配合。在法兰36的外圆表面设有与主体12的内壁表面紧固配合的倾斜部分37。将密封元件38安装到第二台阶部分30。密封元件38与筒夹40的第一端相靠。如图3所示，在筒夹40的第一端设有多个槽42。
在筒夹40的第二端的外壁和主体12的内壁之间***圆柱形导向元件44。在导向元件44的外圆表面设有环形扩张部45，其具有尖锐的横截面。扩张部45切入主体12的内壁表面，因此可以防止导向元件44从主体12中脱离。夹头46由弹性金属材料制成，其基本上呈圆柱形状，并被***筒夹40内。夹紧部分48切入流体管的外圆表面，如后面所述夹紧流体管，夹紧部分48设置在夹头46的第一端。在夹头46的第一端设有多个槽50。因此构成的夹头46的夹紧部分48可以沿径向产生弹性变形。
将释放套筒52***夹头46。在释放套筒52的第一端设有多个槽54，释放套筒52的第一端的直径逐渐减小，以便与夹头46的夹紧部分48接触配合。在释放套筒52的第二端设有沿径向向外伸出的法兰56。
一对环形元件58a、58b相互间隔预定的距离，被安装到设有连接/拆卸机构32的主体12的外圆表面。各环形元件58a、58b由金属材料制成，通过夹紧其各自的外圆表面60，将它们安装到主体12上。
环形元件58a、58b的数量不限于两个，其可以是一个、三个或多个。
按照本发明的实施例的管接头10具有基本上如上所述的结构。下面参照图4和5描述用于紧固环形元件24的紧固装置70。
如图4所示，紧固装置70设有基座72。在基座72的中央部分设有圆形基台74。圆柱形元件76固定于圆形基台74的中央部分。在圆柱形元件76的端部附近设有台阶部分78，以便与连接件14的内壁接触配合。如图5所示，在圆形基台74上设有多个紧固元件80，由紧固元件80围绕着圆柱形元件76。相邻的紧固元件80可以沿着圆形基台74的径向方向滑动。
如图5所示，相邻的紧固元件80的连接关系在执行紧固操作之前隔开间隙81。销轴元件82固定在紧固元件80的下部。销轴元件82与设置在圆形基台74上的槽84接触配合，从而防止紧固元件80转动。
在各紧固元件80的上端设有朝向管接头10伸出的圆形弧状伸出物86。如图6所示，在圆形弧状伸出物86上，设有由环形凹陷部分构成的紧固部分88，以便与环形元件24接触配合。在紧固部分88的上方和下方，设有向前朝着管接头10突出的夹持部分90a、90b。沿着圆周方向，在圆形弧状轮廓中分开的多个紧固元件80向管接头10移动，使形成的紧固部分88与被紧固的环形元件24的外圆形状基本上一致，以便相邻的紧固元件80可以相互靠近对接。在紧固元件80的表面在与圆柱形元件76相对的侧面设有锥形表面92。
如图4所示，在基座72上设有围绕紧固元件80的、基本上呈环形轮廓的加压元件94。加压元件94的内表面96相应于紧固元件80的锥形表面92，朝着向下方向形成逐渐增大的直径。在加压元件94的下部，设有多个导向轴98。设置的导向轴98可***基座72中形成的导向通孔100。未图示的驱动源，例如压力缸连接导向轴98的下部。当驱动源工作时，加压元件94向上或向下移动。
下面描述用于紧固管接头10的环形元件58a、58b的紧固装置110。由相同的标号表示与上面所述的紧固装置70相同的结构元件，同时，省略对这些相同元件的详细描述。
如图7所示，在紧固装置110的各紧固元件80上设有圆弧形伸出物111，在圆弧形伸出物111上设有两个与管接头10的环形元件58a、58b相对应的紧固部分112a、112b，这两个紧固部分112a、112b形成一对基本上相互平行的环形凹陷部分。夹持部分114a-114d朝向管接头10伸出，夹持部分114a-114d设置在各紧固部分112a、112b的上、下方。
紧固装置70和110的结构如上所述。下面，描述它们的操作。
如前所述，连接件14、套筒34、密封件38、筒夹40、导向元件44、夹头46和释放套筒52安装于管接头10的主体12。
如上所述，在准备阶段完成之后，将环形元件24和环形元件58a、58b安装在主体12上。在此阶段，不紧固形元件24和环形元件58a、58b。
接着，如图4所示，使管接头10的连接件14的内壁与设置在紧固装置70的圆柱形元件76上的台阶部分78接触配合，使管接头10定位于紧固装置70上。
接着，在未图示的压力缸的驱动作用下，加压元件94向下移动。其结果如图8所示，由加压元件94的内表面96向紧固元件80的锥形表面92施加压力，多个分开的紧固元件80朝着管接头10移动。在此过程中，在相邻的紧固元件80之间的空隙81逐渐减小，因此，紧固部分88与环形元件24的外圆表面26接触。换句话说，在紧固元件80的锥形表面92和加压元件94的内表面96之间的相对滑动作用下，多个分开的、形成圆弧形轮廓的紧固元件80，各自朝向中央移动。
因此，随着紧固元件80的位移作用，空隙81消失，于是相邻的紧固元件80相互相靠。所以，分开的紧固部分88相靠，基本上形成圆形轮廓，紧固部分88基本上均匀地朝着中央、在环形元件24的整个外圆表面26上施加压力。因此，紧固环形元件24被夹紧变形，直径减小。于是将环形元件24安装到了主体12的外圆表面，使得环形元件24切入主体12。
在此过程中，环形元件24经过变形，在竖直方向扩张。但是，由紧固元件80的夹持部分90a、90b夹持环形元件24的上下部分。因此，产生规则变形，如图6所示。所以，不必担忧，环形元件24会因为压力作用与紧固部分88脱离。另外，环形元件24不产生径向向外的变形。
当完成对于环形元件24的紧固操作时，接着对环形元件58a、58b进行紧固。在此情况下，将管接头10的连接/拆卸机构32安装到紧固装置110的圆柱形元件76上。当加压元件94向下移动时，多个紧固元件80朝向靠近管接头10的方向移动。因此，紧固部分112a、112b基本上均匀地在环形元件58a、58b的整个外圆表面60上施加压力。所以，使环形元件58a、58b紧固，并完成安装，使它们切入主体12的外圆表面，如图7所示。
如上所述，通过采用具有简单结构的紧固装置70、110，将环形元件24、58a、58b方便地紧固在由树脂材料制成的主体12的外圆表面。因此，可以降低生产管接头的生产成本。
如上所述，将紧固有环形元件24和环形元件58a、58b的管接头10安装在压力缸或电磁操纵阀上。在这种情况下，连接件14的公螺纹22与压力缸、电磁操纵阀或类似物螺纹孔连接。
流体管102设有使流体通过的通道101，并与连接/拆卸机构32相互连接。将流体管102***套筒34和释放套筒52之间，使流体管102的第一端与法兰36相靠。在这种状态下，当稍微通过管接头10拉动流体管102时，夹头46的夹紧部分48切入流体管102的外圆表面。在这种情况下，如果要使流体管102与管接头10脱开，夹紧部分48进一步切入流体管102的外圆表面。因此，可靠的防止流体管102脱离。在另一方面，当向内推动释放套筒52的法兰56，使其进入管接头10时，释放套筒52的前端沿径向向外压迫夹头46的夹紧部分48，使夹紧部分48的直径增加。因此，能够释放处于紧固状态的、切入流体管102的外圆表面的紧固部分48，使其脱离配合。所以，可以容易地拆卸流体管102。
例如，即使当管接头10用于高温大气条件下，或者用于由压力流体在管接头10内产生相当高的压力条件下，能够防止主体12向外方向产生任何变形，因为在主体12上设有紧固的环形元件24、58a、58b。因而可以消除任何连接件14和流体管102从主体12中脱开的担忧。即使当任何外界作用力，例如震动作用于主体12时，不必担忧连接件14从主体12中脱开。
在主体12和流体管102之间的连接状态，以及在主体12和连接件14之间的连接状态由紧固环形元件24、58a、58b完成。因而，连接状态可以保持相当高的气密性和液密性。
在本发明的实施例中，将连接件14安装到管接头10的主体12上。但是，也可以在主体12上直接形成整体的螺纹部分(未图示)，而不安装连接件14，并且使螺纹部分与未图示的压力缸等的孔口连接。
而且，在本发明的实施例中，使环形元件24、58a、58b通过在其外圆表面施加紧固作用，环绕在主体12的外圆表面，但是也可以使环形元件24、58a、58b通过压入配合环绕在主体12的外圆表面。

Claims (5)

1.一种管接头，包括：
一个由树脂材料制成的主体，所述主体具有一个第一端侧，该第一端侧具有一个边缘；
一个被***所述主体的所述第一端侧中的连接元件，所述连接元件具有一个环形扩张部，该环形扩张部从所述连接件的外圆周表面向外突出，并且在所述第一端侧与所述主体的内圆周壁表面接合；和
一个环形元件，该环形元件装配在所述主体的第一端侧的外圆周壁表面上，并且径向向内对所述主体的所述外圆周壁表面施加压力，所述环形元件被设置在所述连接元件的所述环形扩张部和所述第一端侧的所述边缘之间，从而阻止所述主体和所述连接元件脱开。
2.根据权利要求1所述的管接头，其特征在于，所述环形元件形成为在其整个圆周上基本均匀地向着其中心张紧外圆周时、具有基本上圆环形的形状。
3.根据权利要求1所述的管接头，还包括：
在所述第一端侧的所述连接元件的外圆周表面和所述主体的内圆周壁表面之间设置的一个密封元件，从而使所述连接元件的环形扩张部位于所述密封元件和环形元件之间。
4.根据权利要求3所述的管接头，其特征在于，所述密封元件是O型密封圈。
5.根据权利要求1所述的管接头，还包括：
一个连接/拆卸机构，该连接/拆卸机构适合于与一个流体管连接和脱开，所述连接/拆卸机构包括一个导向元件，该导向元件设置在所述主体的第二端侧的内侧，所述导向元件具有一个环形扩张部，该环形扩张部从所述导向元件的外圆周表面向外突出，并且在所述第二端侧与所述主体的内圆周壁表面接合；和
另一个环形元件，该另一个环形元件装配在所述主体的第二端侧的外圆周壁表面上，并且径向向内对所述主体的所述外圆周壁表面施加压力，所述另一个环形元件被设置在所述导向元件的所述环形扩张部和所述第二端侧的所述边缘之间，从而阻止所述主体和所述导向元件脱开。
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US6880864B2 (en) 2005-04-19
CN1096591C (zh) 2002-12-18
KR19990088137A (ko) 1999-12-27
EP1688197A3 (en) 2006-08-23
DE69932270T2 (de) 2007-06-28
DE69920059D1 (de) 2004-10-14
US6578879B2 (en) 2003-06-17
JPH11325362A (ja) 1999-11-26
US20050121910A1 (en) 2005-06-09
US7093862B2 (en) 2006-08-22
EP1443252B1 (en) 2006-07-05
EP0957306A2 (en) 1999-11-17
US7210708B2 (en) 2007-05-01
EP1250970B1 (en) 2004-09-08
CN1249372C (zh) 2006-04-05
EP1250970A3 (en) 2002-10-30
EP1443252A2 (en) 2004-08-04
US20020175518A1 (en) 2002-11-28
EP1688197A2 (en) 2006-08-09
EP1443252A3 (en) 2004-08-11
CN1235254A (zh) 1999-11-17
US20030067165A1 (en) 2003-04-10
US20010045748A1 (en) 2001-11-29
EP0957306A3 (en) 2000-07-19
EP1250970A2 (en) 2002-10-23
US6415488B1 (en) 2002-07-09
EP0957306B1 (en) 2003-02-26
DE69932270D1 (de) 2006-08-17
DE69920059T2 (de) 2005-09-29
KR100345914B1 (ko) 2002-07-27

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