WO2019056153A1 - 制造流体分流装置的方法 - Google Patents

制造流体分流装置的方法 Download PDF

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Publication number
WO2019056153A1
WO2019056153A1 PCT/CN2017/102166 CN2017102166W WO2019056153A1 WO 2019056153 A1 WO2019056153 A1 WO 2019056153A1 CN 2017102166 W CN2017102166 W CN 2017102166W WO 2019056153 A1 WO2019056153 A1 WO 2019056153A1
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WO
WIPO (PCT)
Prior art keywords
joint
container
plastic deformation
valve
wall
Prior art date
Application number
PCT/CN2017/102166
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English (en)
French (fr)
Inventor
陈保同
Original Assignee
东莞好奇智能科技有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 东莞好奇智能科技有限公司 filed Critical 东莞好奇智能科技有限公司
Priority to CN201780094978.0A priority Critical patent/CN111448413A/zh
Priority to PCT/CN2017/102166 priority patent/WO2019056153A1/zh
Publication of WO2019056153A1 publication Critical patent/WO2019056153A1/zh

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Classifications

    • 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
    • F16L41/00—Branching pipes; Joining pipes to walls
    • F16L41/02—Branch units, e.g. made in one piece, welded, riveted
    • 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
    • F16L41/00—Branching pipes; Joining pipes to walls
    • F16L41/08—Joining pipes to walls or pipes, the joined pipe axis being perpendicular to the plane of the wall or to the axis of another pipe

Definitions

  • the present invention relates to the field of fluid connector manufacturing, and in particular to a method of manufacturing a connection device for dispensing fluid from a main line to a branch.
  • Gas and liquid conveying pipelines are widely used in petroleum, chemical and other industrial fields.
  • the fluid in the main pipe or vessel often needs to be connected to multiple branch lines to distribute fluids to meet industrial needs, to achieve sample testing, fluid performance testing, and heat dissipation.
  • the gas source distributor is the most widely used in the industrial field.
  • Chinese patent CN102788246A discloses a gas source distributor, which is a centrally connected starting instrument connected to the gas main pipe, which can be conveniently controlled. The continuity of each pipeline.
  • the Chinese patent CN104180115A considers that the connection method of the prior patent causes the container wall to be too thick, which causes the entire device to be cumbersome, and thus an improvement has been made to invent a thin-wall type fluid splitter.
  • the fluid shunt disclosed in Chinese Patent No. CN104180115A has a thin wall and a light weight, but the manufacturing process is poor.
  • the insertion pin must be carried out from the inner end of the container, and after the insertion is completed, the container is further processed.
  • the welding of the end caps, the assembly process, the assembly speed is slow, and finally the welding is easily broken, resulting in seal failure and low yield.
  • the object of the present invention is to overcome the above-mentioned deficiencies of the prior art and to provide a fluid flow dividing device which can achieve a firm connection and a stable seal by using a thin-walled container and a snap-fit connection, and the device is quick to process.
  • a fluid flow dividing device comprising a container, a plurality of valve branches; the container comprising at least one fluid main passage, further comprising a circular hole disposed on the cylindrical wall of the container and connected to the joint; each valve branch Including valves, bushings, joints, fasteners and seals; the casing is round and flat at both ends; the valve controls the opening and closing of the branch, has a male thread for threading the joint, for the casing Stepped hole with end fitting
  • the joint has a substantially circular tubular shape with a through hole, the first end has an insertion portion for inserting the sleeve, a female thread for screwing with the male thread of the valve, and the female screw and the male screw are sealed by a ring.
  • the central hole of the joint penetrates axially along the joint to the second end of the joint, and the diameter of the central hole at the second end is smaller than the diameter of the female thread, so that the central hole forms an annular platform near the second end, and the second end of the joint
  • the end surface is an arc surface corresponding to the radius of the container wall, and the end surface of the second end is provided with an annular groove
  • the fastening component comprises a plastic deformation portion, a thin wall portion, an outer edge portion, a protrusion portion and a center hole, and the center of the fastening member The hole penetrates the plastic deformation portion, the thin portion and the outer edge portion; the female thread portion and the thin portion of the fastening member sequentially pass through the joint, the sealing member and the circular hole of the container, and are thinned by an external force in the axial direction and the opposite direction.
  • the wall portion is deformed and collapsed, and bulges radially outward toward the thin portion to form a protrusion, so that the lower edge of the outer edge portion of the fastening member abuts against the annular platform of the joint, and the protrusion abuts against the round hole.
  • On the inner wall of the container to realize the joint and the container Into axial clamping and sealing member is enclosed within the recess.
  • the thickness of the thin portion of the fastening member is smaller than the thickness of the plastic deformation portion.
  • the outer diameter of the thin portion is the same as the outer diameter of the plastic deformation portion, and the diameter of the central hole before the plastic deformation of the thin portion is larger than the diameter of the plastic deformation portion.
  • the fastening member is prevented from being loosened in the axial direction, and the outer wall of the thin portion is provided with a grain or a protrusion to increase the friction between the protrusion and the inside of the container.
  • the joint and the fastening component are prevented from loosening axially, and the lower edge of the outer edge portion is provided with a grain or a protrusion, and the annular platform is also provided with a grain or a convex shape.
  • the fluid flow dividing device further includes a bleed port for cleaning on the container.
  • the present invention also provides a method of manufacturing the above fluid shunt device, comprising the steps of:
  • a preparation of the body of the cylindrical container a plurality of valve branches;
  • the container comprises at least one fluid main channel, and further comprising a circular hole disposed on the cylindrical wall of the container and connected to the joint;
  • each valve branch The road includes a valve, a sleeve, a joint, a fastening member and a sealing member;
  • the sleeve has a round tubular shape, and both ends are flush;
  • the valve control branch is opened and closed, and has a male thread for screwing with the joint, and is used for the sleeve.
  • Stepped hole for fitting the end of the pipe is substantially round tubular, has a through hole, the first end has an insertion portion for inserting the sleeve, a female thread for screwing with the male thread of the valve, the female thread and the male
  • the threaded joint is sealed by an annular seal.
  • the central hole of the joint penetrates along the joint axial direction to the second end of the joint, and the diameter of the central hole at the second end is smaller than the diameter of the female thread, so that the central hole forms an annular platform near the second end, and the second end surface of the joint is
  • the circular arc surface of the container wall has a radius, and the second end end surface is provided with an annular groove;
  • the fastening component comprises a plastic deformation part, a thin wall part, an outer edge part, a protrusion part and a central hole, and the central hole of the fastening component passes through the plastic a variable portion, a thin portion and an outer edge portion;
  • the sealing method of the joint and the container in the invention is reliable in sealing and the processing technology is simple; in addition, the connection manner of the joint and the container adopts a manner of fastening inside the container, and the snap-fit ⁇ only needs to be operated outside the complete container.
  • the female thread of the fastener plastic part is plastically deformed, and the diameter is increased and the inner wall is smooth. Therefore, the flow capacity can be improved and the flow resistance can be made small.
  • FIG. 1 is a structural view of a fluid splitting device
  • FIG. 2 is an exploded view of a fluid splitting device
  • FIG. 3 is an axial cross-sectional view of the fastening member
  • FIG. 4 is an axial cross-sectional view of the joint
  • Figure 5 is a cross-sectional view of the valve branch before installation
  • FIG. 6 is a schematic view of the installation of the valve branch 1;
  • FIG. 7 is a schematic view of the valve branch installation 2
  • FIG. 8 is a schematic view of the installation of the valve branch 3;
  • FIG. 9 is a partial cross-sectional view of a fluid bypass device.
  • the fluid diverting device comprises a container 10 and a plurality of valve branches; the container 10 comprises a cylindrical middle section 11, a gathered front section 12, a gathered rear section 13, and the front section 12 and the rear section 13 pass through the weld 16 and the weld seam 17
  • the connection is integrated and forms a container having a cavity 19; the front section 12 has a fluid main passage 14 for externally connecting the main pipe, the rear section 13 has a venting port 15, and the middle section 11 has six joints on the cylindrical wall.
  • each valve branch includes a valve, a sleeve, a joint, a fastening member and a sealing member;
  • the sleeve 90 has a circular tubular shape, and both ends 91, 92 have a tapered or curved chamfer;
  • the valve 60 controls the tube
  • the opening and closing of the road has a male thread 61 for screwing with the joint, a stepped hole 62 for engaging with the end of the sleeve;
  • the joint 20 is substantially circular and has a through hole, the first end having a plug for insertion
  • the insertion portion 28 of the sleeve, the female thread 22 for screwing with the male thread 61 of the valve is screwed to the female thread 22 of the joint by the screwing male thread 61 of the valve, and is axially inserted into the sleeve 90 of the insertion portion 28.
  • the upper edge of the member 312, the male screw 61 and the female screw 22 is connected by an annular seal 80 at the sealing.
  • the central bore of the joint 20 extends axially along the joint to the second end 29 of the joint, the diameter of the central bore at the second end 29 being less than the diameter at the female thread, ie the diameter at the location 25 is less than the diameter at the location 28, such that the center
  • the hole forms an annular platform 24 near the second end 29, and is provided with a grain or a protrusion on the annular platform 24.
  • the second end face 23 of the joint is a circular arc surface having a radius corresponding to the middle section 11 of the container, and an annular groove is arranged on the upper surface.
  • the arc surface can ensure that the outer wall of the middle portion 11 of the container is naturally abutted with the second end surface 23 without being plastically deformed during the axial compression molding process of the fastening member 30.
  • the fastening member 30 includes a plastic deformation portion 33, a thin portion 32, an outer edge portion 31, and a protrusion
  • the outer diameter of the thin portion 32 is the same as the outer diameter of the plastic portion 33.
  • the diameter of the central hole before the thin portion 32 is deformed is larger than the diameter of the female thread portion, and the wall thickness of the thin portion 32 is smaller than that of the plastic deformation portion 33.
  • the outer wall of the thin portion 32 is provided with a drawing pattern 321 to improve the friction between the fastening member and the inner wall of the container, and the lower edge 311 of the outer edge portion 31 is provided with a grain to improve the friction between the fastening member and the joint, and the plastic deformation
  • the front end 333 of the portion is in a folded shape, and the center hole of the fastening member 30 passes through the plastic deformation portion 33, the thin portion 32 and the outer edge portion 31; the plastic deformation portion 33 and the thin portion 32 of the fastening member 30 sequentially pass through the joint 20
  • the sealing member 40 and the circular hole 18 of the container are deformed by the external force in the axial direction and the opposite direction, and the thin portion 32 is plastically collapsed and bulged radially outward toward the thin portion to form the protruding portion 322 for fastening.
  • the lower edge 311 of the outer edge portion 31 abuts against the annular platform 24 of the joint, and the protrusion 322 abuts against the inner wall of the container surrounding the circular hole 18, so that the joint 20 forms an axial clamping with the container 10, and the fastening member 30 plastic deformation ⁇ compression container wall also undergoes plastic deformation, so that the outer wall of the container 10 is attached to the second end face 23 of the joint, and Sealing member 40 in the recess 26 is closed.
  • Figure 5 - Figure 9 shows the valve branch installation of a fluid diverting device.
  • the installation process requires a mandrel for the clamping device.
  • the mandrel body can pass through the flow path of the valve branch shown in Figure 5 and has a streamlined expansion.
  • Portion 51, the body of the mandrel 50 can pass through the flow path of the entire valve branch, but the enlarged portion 51 can pass through an area other than the female thread 332 of the fastener.
  • the main body of the mandrel 50 is passed through the flow path of the entire valve branch, and then the valve branch is passed through the sealing member 40 and the hole 18, and the force F1 is applied to the valve 60.
  • the mandrel 50 is extracted by F2, and the force is transmitted to the upper edge 312 of the fastening member through the valve 60 and the sleeve 90, and the same expansion portion 51 forcibly squeezes into the plastic deformation portion 33 of the fastening member, so that the buckle
  • the engaging member 30 is axially compressed, and the thin portion 32 starts to bulge radially outward to form a protrusion 322.
  • the protruding portion 32 2 abuts against the inner wall of the container 10, and presses the container.

Abstract

一种流体分流装置的制造方法，通过扣合件（30）塑性变形来实现容器（10）与阀门支路的连接与贯通。该制造方法工艺简单，用该方法制造的流体分流装置流通能力强、流通阻力小。

Description

发明名称：制造流体分流装置的方法
技术领域
[0001] 本发明创造涉及流体连接件制造领域， 具体涉及将流体从主管路分配到支路的 连接装置的制造方法。
背景技术
[0002] 气体、 液体输送管道广泛应用于石油、 化工等工业领域。 在生产应用中， 主管 路或容器内的流体往往需要连接多个支线管路， 用以分配流体， 以满足工业需 求， 实现样本检测、 流体性能指标测试、 循环散热等目的。 气源分配器在工业 领域中应用最为广泛， 中国专利 CN102788246A公幵了一种气源分配器,这种气源 分配器是集中安装的启动仪表与气体总管相连接的中间桥梁， 它可以方便控制 各管路的通断。 中国专利 CN104180115A认为在先专利的连接方式会导致容器壁 过厚， 这就导致整个装置笨重， 因此作出改进， 发明了薄壁型流体分流器。 中 国专利 CN104180115A公幵的这种流体分流器， 容器壁薄、 重量轻， 但是加工制 造工艺欠佳， 在这种装置中， 穿插固定销吋必须从容器内部一端进行， 穿插完 毕后， 再进行容器端盖的焊接， 这种装配工艺， 装配速度慢， 而且最后焊接容 易破坏导致密封失效， 成品率低。
技术问题
[0003] 本发明的目的在于克服上述现有技术的不足， 提供一种流体分流装置， 这种流 体分流装置采用薄壁容器、 扣合连接就能实现牢固连接和稳定密封， 该装置加 工快捷。
问题的解决方案
技术解决方案
[0004] 一种流体分流装置,包括容器、 多个阀门支路； 所述容器包括至少一个流体主 通道， 还包括设置在容器的圆柱壁上、 与接头连接的圆孔； 每个阀门支路包括 阀门、 套管、 接头、 扣合件和密封件； 套管呈圆管状， 两端平齐； 阀门控制支 路的通断， 具有用于与接头螺纹连接的阳螺纹、 用于与套管端部配合的台阶孔 ； 接头大致呈圆管状， 具有贯通的中心孔， 第一端具有用于插接套管的插入部 、 用于与阀门阳螺纹旋合的阴螺纹， 阴螺纹与阳螺纹旋合处由环形密封件密封 ， 接头的中心孔沿着接头轴向贯通至接头第二端， 中心孔在第二端的直径小于 阴螺纹处的直径， 使得中心孔在靠近第二端形成环状平台， 接头第二端端面是 与容器壁半径相当的圆弧面,第二端端面上设置有环形凹槽； 扣合件包括塑变部 、 薄壁部、 外沿部、 突起部和中心孔， 扣合件的中心孔贯通塑变部、 薄壁部和 外沿部； 扣合件的阴螺纹部和薄壁部依次穿过接头、 密封件和容器圆孔， 在轴 向、 相向方向上的外力作用下， 薄壁部塑变塌陷、 并向薄壁部径向向外鼓起， 形成突起部， 使扣合件外沿部的下缘抵顶在接头的环状平台上、 突起部抵顶在 环绕圆孔的容器内壁上， 实现接头与容器形成轴向夹紧， 并将密封件封闭在凹 槽内。
[0005] 进一步的， 所述扣合件薄壁部的壁厚小于塑变部壁厚。
[0006] 进一步的， 薄壁部的外部直径与塑变部外部直径相同， 薄壁部塑变前中心孔直 径大于塑变部直径。 这种结构， 在塑变吋， 薄壁部更容易向径向向外鼓起形成 突起部， 而不会径向向内塌陷、 阻碍作为流道的中心孔。
[0007] 进一步的， 为了便于插入接头、 圆孔装配， 塑变部前端呈收拢状。
[0008] 进一步的， 为了提高扣合件与容器内壁的摩擦力， 防止扣合件轴向松动， 在薄 壁部外壁设置有纹路或凸起， 以加大突起部与容器内部的摩擦力。
[0009] 进一步的， 为了提高扣合件与接头的摩擦力， 防止接头与扣合件轴向松动， 外 沿部的下缘设置有纹路或凸起， 环状平台上也设置有纹路或凸起。
[0010] 流体分流装置还包括设置在容器上的用于清扫的泄放接口。
[0011] 本发明还提供制造上述流体分流装置的方法， 包括如下步骤：
[0012] a、 制备主体呈柱形的容器、 多个阀门支路； 所述容器包括至少一个流体主通 道， 还包括设置在容器的圆柱壁上、 与接头连接的圆孔； 每个阀门支路包括阀 门、 套管、 接头、 扣合件和密封件； 套管呈圆管状， 两端平齐； 阀门控制支路 的通断， 具有用于与接头螺纹连接的阳螺纹、 用于与套管端部配合的台阶孔； 接头大致呈圆管状， 具有贯通的中心孔， 第一端具有用于插接套管的插入部、 用于与阀门阳螺纹旋合的阴螺纹， 阴螺纹与阳螺纹旋合处由环形密封件密封， 接头的中心孔沿着接头轴向贯通至接头第二端， 中心孔在第二端的直径小于阴 螺纹处的直径， 使得中心孔在靠近第二端形成环状平台， 接头第二端端面是与 容器壁半径相当的圆弧面,第二端端面上设置有环形凹槽； 扣合件包括塑变部、 薄壁部、 外沿部、 突起部和中心孔， 扣合件的中心孔贯通塑变部、 薄壁部和外 沿部；
[0013] b、 将具有膨大部的芯轴穿过阀门支路的流道， 芯轴的膨大部被阻挡在扣合件 塑变部处；
[0014] c、 将扣合件的塑变部和薄壁部依次穿过接头、 密封件和容器圆孔；
[0015] d、 用力抵顶在阀门上， 同吋用抽取芯轴， 力通过阀门、 套管传递到扣合件的 上缘上， 与此同吋膨胀部强行挤入扣合件的塑变部， 使得扣合件轴向压缩， 薄 壁部幵始向径向向外形成鼓起， 随着轴向压缩力的增大， 鼓起牵引薄壁部其余 部分继续向外鼓起， 形成突起部， 随着力逐渐加大， 突起部抵顶在容器内壁， 并压迫容器贴合在接头的端面上；
[0016] e、 继续加大， 膨胀部将塑变部的阴螺纹损坏、 挤平滑， 最后膨胀部抽离处阀 门支路；
[0017] f、 重复步骤15、 c、 d、 e， 直至装配完成所有阀门支路。
发明的有益效果
有益效果
[0018] 本发明中的接头与容器的密封方式密封可靠， 加工工艺简单； 另外， 接头与容 器的连接方式采用了在容器内部扣合的方式， 扣合吋只需在完整的容器外部操 作， 本发明中的制造方法中会促使扣合件塑变部的阴螺纹塑变， 变得通径更大 、 内壁平滑， 因此有能提高流通能力、 流通阻力小。
对附图的简要说明
附图说明
[0019] 图 1是流体分流装置结构图；
[0020] 图 2是流体分流装置爆炸图；
[0021] 图 3是扣合件轴向剖视图；
[0022] 图 4是接头轴向剖视图； [0023] 图 5是安装前的阀门支路剖视图；
[0024] 图 6是阀门支路安装示意图 1；
[0025] 图 7是阀门支路安装示意图 2；
[0026] 图 8是阀门支路安装示意图 3;
[0027] 图 9是流体分流装置局部剖视图。
实施该发明的最佳实施例
本发明的最佳实施方式
[0028] 为了便于理解本发明， 下面结合附图对本发明的具体实施例及装配过程作详细 说明。
本发明的实施方式
[0029] 图 1至图 9是流体分流器相关附图。 流体分流装置，包括容器 10、 多个阀门支路； 容器 10包括圆柱状的中段 11、 收拢状的前段 12、 收拢状的后段 13， 前段 12和后 段 13通过焊缝 16和焊缝 17连接为一体， 并形成具有空腔 19的容器； 前段 12上有 用于对外连接主管路的流体主通道 14、 后段 13上有泄放接口 15， 中段 11的圆柱 壁上有 6个接头连接的圆孔 18; 每个阀门支路包括阀门、 套管、 接头、 扣合件和 密封件； 套管 90呈圆管状， 两端 91、 92均具有锥形或弧形倒角； 阀门 60控制管 路的通断， 具有用于与接头螺纹连接的阳螺纹 61、 用于与套管端部配合的台阶 孔 62; 接头 20大致呈圆管状， 具有贯通的中心孔， 第一端具有用于插接套管的 插入部 28、 用于与阀门阳螺纹 61旋合的阴螺纹 22， 通过旋合阀门阳螺纹 61与接 头阴螺纹 22的螺纹连接， 插接到插入部 28的套管 90轴向受力， 一端抵顶在阀门 上， 另一端抵顶在扣合件的上缘 312， 阳螺纹 61与阴螺纹 22连接处由环形密封件 80密封。 接头 20的中心孔沿着接头轴向贯通至接头第二端 29， 中心孔在第二端 2 9的直径小于阴螺纹处的直径， 即位置 25处的直径小于位置 28处的直径， 使得中 心孔在靠近第二端 29形成环状平台 24， 并且在环状平台 24上设置有纹路或凸起 ， 接头第二端面 23是与容器中段 11半径相当的圆弧面， 上面设置有环形凹槽 26 。 圆弧面能确保扣合件 30轴向压缩塑变过程中， 容器中段 11外壁不塑变就与第 二端面 23自然吻合对接。 扣合件 30包括塑变部 33、 薄壁部 32、 外沿部 31、 突起 部 322和中心孔， 薄壁部 32的外部直径与塑变部 33外部直径相同， 薄壁部 32塑变 前中心孔直径大于阴螺纹部直径， 薄壁部 32的壁厚小于塑变部 33壁厚； ； 薄壁 部 32外壁设置有拉丝纹 321以提高扣合件与容器内壁的摩擦力， 外沿部 31的下缘 311设置有纹路以提高扣合件与接头的摩擦力， 塑变部的前端 333呈收拢状， 扣 合件 30的中心孔贯通塑变部 33、 薄壁部 32和外沿部 31 ; 扣合件 30的塑变部 33和 薄壁部 32依次穿过接头 20、 密封件 40和容器圆孔 18， 在轴向、 相向方向上的外 力作用下， 薄壁部 32塑变塌陷、 并向薄壁部径向向外鼓起， 形成突起部 322， 使 扣合件外沿部 31的下缘 311抵顶在接头的环状平台 24上、 突起部 322抵顶在环绕 圆孔 18的容器内壁上， 实现接头 20与容器 10形成轴向夹紧， 扣合件 30塑变吋压 迫容器壁也发生塑变， 使容器 10外壁贴合在接头第二端面 23上， 并将密封件 40 封闭在凹槽 26内。
图 5-图 9展示了一个流体分流装置的阀门支路安装方式， 安装过程需要夹紧设 备一芯轴， 芯轴主体能穿过图 5所示阀门支路的流道， 并且具有一个流线型膨 大部 51， 芯轴 50的主体能穿过整个阀门支路的流道， 但膨大部 51能穿过除扣合 件阴螺纹 332以外的区域。 安装吋， 首先将芯轴 50的主体自扣合件 30—端穿过整 个阀门支路的流道， 而后将阀门支路穿过密封件 40、 孔 18， 用力 F1抵顶在阀门 6 0上， 同吋用 F2抽取芯轴 50， 力通过阀门 60、 套管 90传递到扣合件的上缘 312上 ， 与此同吋膨胀部 51强行挤入扣合件的塑变部 33， 使得扣合件 30轴向压缩， 薄 壁部 32幵始向径向向外鼓起，形成突起部 322， 随着力 Fl、 F2逐渐加大， 突起部 32 2抵顶在容器 10内壁， 并压迫容器贴合在接头 20的端面 23上， 随着力 Fl、 F2继续 加大， 膨胀部 51将塑变部 33的阴螺纹 332损坏、 挤平滑， 最后膨胀部 51抽离处阀 门支路。 这种安装方式会对扣合件的阴螺纹造成永久破坏， 但不会对连接强度 造成负面影响； 将阴螺纹挤压平滑， 还能将塑变部 33的内径扩大， 提高流体的 流通能力。

Claims

权利要求书
[权利要求 1] 制造流体分流装置的方法， 包括如下步骤：
a、 制备主体呈柱形的容器、 多个阀门支路； 所述容器包括至少一个 流体主通道， 还包括设置在容器的圆柱壁上、 与接头连接的圆孔； 每 个阀门支路包括阀门、 套管、 接头、 扣合件和密封件； 套管呈圆管状 ， 两端平齐； 阀门控制支路的通断， 具有用于与接头螺纹连接的阳螺 纹、 用于与套管端部配合的台阶孔； 接头大致呈圆管状， 具有贯通的 中心孔， 第一端具有用于插接套管的插入部、 用于与阀门阳螺纹旋合 的阴螺纹， 阴螺纹与阳螺纹旋合处由环形密封件密封， 接头的中心孔 沿着接头轴向贯通至接头第二端， 中心孔在第二端的直径小于阴螺纹 处的直径， 使得中心孔在靠近第二端形成环状平台， 接头第二端端面 是与容器壁半径相当的圆弧面,第二端端面上设置有环形凹槽； 扣合 件包括塑变部、 薄壁部、 外沿部、 突起部和中心孔， 扣合件的中心孔 贯通塑变部、 薄壁部和外沿部；
b、 将具有膨大部的芯轴穿过阀门支路的流道， 芯轴的膨大部被阻挡 在扣合件塑变部处；
c、 将扣合件的塑变部和薄壁部依次穿过接头、 密封件和容器圆孔； d、 用力抵顶在阀门上， 同吋用抽取芯轴， 力通过阀门、 套管传递到 扣合件的上缘上， 与此同吋膨胀部强行挤入扣合件的塑变部， 使得扣 合件轴向压缩， 薄壁部幵始向径向向外形成鼓起， 随着轴向压缩力的 增大， 鼓起牵引薄壁部其余部分继续向外鼓起， 形成突起部， 随着力 逐渐加大， 突起部抵顶在容器内壁， 并压迫容器贴合在接头的端面上 e、 继续加大， 膨胀部将塑变部的阴螺纹损坏、 挤平滑， 最后膨胀部 抽离处阀门支路；
f、 重复步骤15、 c、 d、 e， 直至装配完成所有阀门支路。
[权利要求 2] 根据权利要求 1所述的制造流体分流装置的方法， 其特征是： 扣合件 薄壁部的壁厚小于塑变部壁厚。
[权利要求 3] 根据权利要求 1所述的制造流体分流装置的方法， 其特征是： 薄壁部 的外部直径与塑变部外部直径相同， 薄壁部塑变前中心孔直径大于塑 变部直径。
[权利要求 4] 根据权利要求 1所述的制造流体分流装置的方法， 其特征是： 扣合件 塑变部前端呈收拢状。
[权利要求 5] 根据权利要求 1所述的制造流体分流装置的方法， 其特征是： 薄壁部 外壁设置有纹路或凸起。
[权利要求 6] 根据权利要求 5所述的制造流体分流装置的方法， 其特征是： 外沿部 的下缘设置有纹路或凸起， 环状平台上也设置有纹路或凸起。
[权利要求 7] 根据权利要求 1所述的制造流体分流装置的方法， 其特征是： 外沿部 的下缘设置有纹路或凸起， 环状平台上也设置有纹路或凸起。
[权利要求 8] 根据权利要求 1所述的制造流体分流装置的方法， 其特征是， 容器包 括圆通状的中段、 收拢状的前段、 收拢状的后段， 前段和后段通过焊 缝和焊缝连接为一体； 前段上有流体主通道、 后段上有泄放接口， 圆 孔设置在中段的圆柱壁上。
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