WO2016061857A1 - 自补偿密封旋锥阀芯及成套装配阀 - Google Patents

自补偿密封旋锥阀芯及成套装配阀 Download PDF

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Publication number
WO2016061857A1
WO2016061857A1 PCT/CN2014/090805 CN2014090805W WO2016061857A1 WO 2016061857 A1 WO2016061857 A1 WO 2016061857A1 CN 2014090805 W CN2014090805 W CN 2014090805W WO 2016061857 A1 WO2016061857 A1 WO 2016061857A1
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WIPO (PCT)
Prior art keywords
valve
valve body
core
rotary cone
hole
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PCT/CN2014/090805
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English (en)
French (fr)
Inventor
柯真明
Original Assignee
福建华永科技有限公司
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Application filed by 福建华永科技有限公司 filed Critical 福建华永科技有限公司
Priority to JP2017600097U priority Critical patent/JP3213809U/ja
Priority to US15/520,757 priority patent/US10260641B2/en
Publication of WO2016061857A1 publication Critical patent/WO2016061857A1/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
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
    • F16K1/32—Details
    • F16K1/34—Cutting-off parts, e.g. valve members, seats
    • F16K1/36—Valve members
    • F16K1/38—Valve members of conical shape
    • 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
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K5/00—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary
    • F16K5/02—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary with plugs having conical surfaces; Packings therefor
    • F16K5/025—Particular coverings or materials
    • 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
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
    • F16K1/32—Details
    • 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
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
    • F16K1/32—Details
    • F16K1/34—Cutting-off parts, e.g. valve members, seats
    • F16K1/42—Valve seats
    • 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
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K5/00—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary
    • F16K5/02—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary with plugs having conical surfaces; Packings therefor
    • 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
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K5/00—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary
    • F16K5/02—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary with plugs having conical surfaces; Packings therefor
    • F16K5/0207—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary with plugs having conical surfaces; Packings therefor with special plug arrangement, e.g. special shape or built in 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
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K5/00—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary
    • F16K5/02—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary with plugs having conical surfaces; Packings therefor
    • F16K5/0214—Plug channel at 90 degrees to the inlet
    • 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
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
    • F16K1/16—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members
    • F16K1/18—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps
    • F16K1/22—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps with axis of rotation crossing the valve member, e.g. butterfly valves
    • F16K1/226—Shaping or arrangements of the sealing
    • F16K1/2268—Sealing means for the axis of rotation

Definitions

  • the invention and a valve core, in particular to a self-compensating sealing rotary cone valve core and a complete assembly valve.
  • the invention provides a self-compensating sealed rotary cone valve core.
  • the valve core has a simple structure, convenient processing, installation and maintenance, and can automatically compensate for self-sealing and wear.
  • a self-compensating sealing rotary cone valve core comprising a valve sleeve, the upper part of the valve sleeve has an axial through hole, and the lower chamber of the valve sleeve has a conical surface concentric with the axial through hole a mandrel extending through the axial through hole from bottom to top is disposed in the valve sleeve, and a lower portion of the mandrel has a frustum that is in close contact with the tapered surface, and an inlet cavity is opened in the frustum.
  • the side wall of the inlet cavity is provided with a through hole communicating with the water outlet of the lower side wall of the valve sleeve, and the screw portion of the mandrel penetrating the valve sleeve is locked by a nut to achieve pre-tightening and rotational positioning with the valve sleeve.
  • valve sleeve is composed of a core cover and a core seat connected under the core cover, the upper part of the core cover is provided with an axial through hole, and the lower part of the axial through hole has a reaming hole, and the reaming hole diameter is larger than
  • the diameter of the upper surface of the mandrel frustum is such that the sealing surface of the tapered surface and the frustum is automatically moved upward, and the lower portion of the core cover is provided with a rectangular convex block; the core seat is axially opened and axially through the hole
  • the coaxial conical through hole is defined in the side wall of the core seat, and the upper end surface of the core seat is further provided with a rectangular groove that cooperates with the rectangular protrusion of the core cover.
  • the mandrel is a rigid whole piece, and the screw part of the mandrel passing through the valve sleeve is sequentially sleeved with a limiting piece and a spring washer and is rotated and locked by a nut to realize a rotational positioning.
  • the core seat is made of plastic to form a soft seal with the mandrel frustum, or the core seat is made of a rigid material to form a hard seal with the mandrel frustum.
  • a through valve includes a rotary cone valve body and a valve body disposed outside the rotary cone valve body, the valve body has an inlet, an outlet and a vertical mounting hole, and the rotary cone valve core is assembled in a vertical mounting hole In order to make the valve body inlet through the rotary cone inlet inlet cavity It is connected to the outlet of the valve body.
  • An angle valve includes a rotary cone valve body and a valve body, the valve body has an inlet and a 90° turn to the lower side outlet and a laterally opened mounting hole, and the rotary cone valve core is assembled in the mounting hole, And the outlet of the rotary cone valve body faces the valve body outlet.
  • a DC valve includes a rotary cone valve body and a valve body, the valve body has a linear inlet and outlet passage, and the valve body is provided with an oblique mounting hole communicating with the inlet and outlet passages, and the rotary cone valve core is provided It is assembled in the oblique mounting hole, and the rotary cone valve core outlet is located on the same axis line as the valve body inlet and outlet passage.
  • a faucet includes a rotary cone valve body and a valve body, the valve body having an inlet and an outlet and a vertical mounting hole communicating with the inlet and outlet, the rotary cone valve core being assembled in a vertical mounting hole.
  • the invention has the following advantages: (1) the valve core is not only simple in structure, simple in processing process, but also easy in assembly and long in service life; (2) the mandrel and the core seat of the valve core adopt a cone Face-to-face sealing, when the sealing surface is worn during use, the pre-tightening force and fluid pressure of the spring washer cause the mandrel to automatically move up to achieve automatic wear compensation; (3) good sealing performance, mandrel and core seat in use The mutual friction makes the bonding surface of the two smoother, and realizes self-sealing under the action of pre-tightening force and fluid pressure, and has the characteristics of better wear and sealing performance; (4) the valve core has a wide application range.
  • valve core It is processed like a faucet valve core and assembled into different specifications and can be assembled in various types of valve bodies. (5) The valve core and the valve body are assembled into a valve, and there is no fluid retention in the valve in the closed state. The cavity eliminates the hygienic and safety hazards; (6) It can form soft seal and hard seal according to the material of the valve seat. It is suitable for various environmental conditions from low temperature to high temperature and low pressure to high pressure. Its performance is better than ball valve.
  • Figure 1 is a schematic view showing the structure of a valve core of the present invention
  • Figure 2 is a cross-sectional view taken along line A-A of Figure 1 of the present invention.
  • Figure 3 is a straight-through valve of the present invention using a rotary cone valve core
  • Figure 4 is an angle valve of the present invention using a rotary cone valve core
  • Figure 5 is a DC valve of the present invention using a rotary cone valve core
  • Figure 6 is a faucet for applying a rotary cone valve core according to the present invention.
  • a self-compensating sealed rotary cone valve body includes a valve sleeve which is composed of a core cover 1 and a core seat 2 connected to a lower portion of the core cover.
  • the upper part of the core cover is provided with an axial through hole, and the lower part of the axial through hole has a reaming hole 12, and the reaming hole diameter is larger than the diameter of the table top of the mandrel frustum 31, ensuring that the sealing surface of the tapered surface and the frustum is worn and the core is worn.
  • the axicon frustum can be automatically moved up automatically to achieve automatic compensation of wear and self-sealing, and the lower part of the core cover is further provided with a rectangular protrusion 11;
  • the core seat has a conical through hole in the axial direction, and a tapered surface and a cone of the conical through hole
  • the side wall of the core seat is provided with a water outlet 21, and the upper end surface of the core seat is provided with a rectangular groove 22 matched with the rectangular protrusion to ensure that the core seat does not rotate with the mandrel;
  • the mandrel 3 is inserted through the core cover through hole, the mandrel is a rigid whole piece, the upper part of the mandrel is a shaft with a screw part, and the lower part has a frustum which is closely matched with the tapered surface.
  • the bottom of the frustum is provided with an inlet cavity 311, and the inlet cavity communicates with the through hole 32 opened on the side of the frustum, and the inlet cavity is rotated by the mandrel to communicate with the water outlet 21 of the side wall of the core seat to form fluid in and out.
  • the core seat is made of plastic to form a soft seal with the mandrel frustum for use in a normal temperature and pressure pipe, and at the same time, the production cost can be reduced;
  • the core seat is made of plastic to form a soft seal with the mandrel frustum for use in a normal temperature and pressure pipe, and at the same time, the production cost can be reduced;
  • a through-flow valve includes a rotary cone valve core 8 and a valve body 7 disposed outside the rotary cone valve body, the valve body having an inlet 71, an outlet 72, and a vertical connection with the upper turn chamber 73 of the inlet.
  • the swivel valve core assembly is assembled in the vertical mounting hole to allow the valve body inlet to communicate with the valve body outlet through the taper valve inlet inlet cavity 31 and the water outlet 21. The fluid flows in from the valve body inlet, and flows out through the valve body outlet through the bottom cavity of the rotary cone valve core and the side water outlet.
  • an angle valve includes a rotary cone valve body 8 and a valve body 7, the valve body having an inlet 71 and an outlet 72 having a corner 90° turn to the lower side and a laterally opened mounting hole, the rotary cone valve core
  • the kit is assembled in the mounting hole, and the water outlet of the rotary cone is facing the valve body outlet.
  • a DC valve includes a rotary cone valve body 8 and a valve body 7.
  • the valve body has a linear inlet and outlet passage 74, and the valve body is provided with an oblique mounting hole communicating with the inlet and outlet passages.
  • the spiral cone valve core assembly is assembled in the oblique mounting hole, and the rotary cone valve core water outlet 21 and the valve body inlet and outlet passage are located on the same axial center line.
  • a faucet includes a rotary cone valve body 8 and a valve body 7, the valve body having an inlet 71 and an outlet 72 and a vertical mounting hole communicating with the upper opening chamber 73 and the outlet of the inlet, the rotation
  • the cone valve assembly is assembled in a vertical mounting hole.
  • the tappet valve spool can also be applied to other valves, such as a three-way valve.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Sliding Valves (AREA)
  • Taps Or Cocks (AREA)
  • Mechanically-Actuated Valves (AREA)
  • Multiple-Way Valves (AREA)

Abstract

一种阀芯，尤其涉及一种可自补偿密封的旋锥阀芯，包括阀套，所述阀套的上部具有轴向通孔，阀套下部腔室内具有与轴向通孔同轴心的锥面，所述阀套内设置有自下而上穿出轴向通孔的芯轴（3），所述芯轴（3）下部具有与锥面贴紧配合的锥台（31），所述锥台（31）内开设有进口凹腔（311），所述进口凹腔（311）的侧壁开设有与阀套下部侧壁出水口（21）相连通的通孔（32），所述芯轴（3）穿出阀套的螺杆部经螺母（4）锁紧以实现与阀套的预紧密封及旋转定位。该阀芯不仅结构简单，加工安装方便，可实现自密封和磨损自补偿，而且可成套组装成不同的规格型号并成套装配于各种类型的阀体上，可适用于不同温度和压力的环境条件。

Description

自补偿密封旋锥阀芯及成套装配阀 技术领域
本发明及一种阀芯，尤其涉及一种可自补偿密封旋锥阀芯及成套装配阀。
背景技术
现有的工业用阀芯或常用阀芯普遍存在或多或少的缺陷，例如最常用的球阀阀芯，由于其工作原理和构造决定了其在关闭状态时势必会造成流体滞留在阀芯阀体的腔室内造成卫生或安全隐患；当球阀运用于饮用水系统时，滞留水影响人体健康；另一方面，由于球体和密封副在使用过程中会不断磨损，球阀密封性能会不断降低，从而减少其使用寿命；而且阀体或阀芯一旦损坏，整个球阀就必须从管路中移出进行更换维修，造成输送系统维护成本升高。为此需要一种新的阀芯结构。
发明内容
为解决现有阀门的缺陷问题，本发明提供一种自补偿密封旋锥阀芯，该阀芯结构简单，成套加工、安装及维护方便，可实现自密封及磨损自动补偿。
本发明的技术方案如下：一种自补偿密封旋锥阀芯，包括阀套，所述阀套的上部具有轴向通孔，阀套下部腔室内具有与轴向通孔同轴心的锥面，所述阀套内设置有自下而上穿出轴向通孔的芯轴，所述芯轴下部具有与锥面贴紧配合的锥台，所述锥台内开设有进口凹腔，所述进口凹腔的侧壁开设有与阀套下部侧壁出水口相连通的通孔，所述芯轴穿出阀套的螺杆部经螺母锁紧以实现与阀套的预紧密封及旋转定位。
进一步的，所述阀套由芯盖和连接于芯盖下方的芯座组成，所述芯盖上部开设有轴向通孔，所述轴向通孔下部具有扩孔，所述扩孔孔径大于芯轴锥台上台面直径以使锥面和锥台的密封面磨损后芯轴自动上移，所述芯盖下部设有矩形凸块；所述芯座沿轴向开设有与轴向通孔同轴心的圆锥通孔，所述出水口开设于芯座侧壁，所述芯座上端面还开设有与芯盖的矩形凸块相配合的矩形凹槽。
进一步的，所述芯轴为一刚性整件，芯轴穿出阀套的螺杆部依次套有限位片和弹簧垫圈并经螺母锁紧与阀套实现旋转定位。
进一步的，所述芯座由塑胶制成以形成与芯轴锥台的软密封，或芯座由刚性材料制成以形成与芯轴锥台的硬密封。
一种直通阀，包括旋锥阀芯和设置于旋锥阀芯外部的阀体，所述阀体具有进口、出口及竖向安装孔，所述旋锥阀芯成套装配于竖向安装孔内以使阀体进口经旋锥阀芯进口凹腔 和出水口与阀体出口相连通。
一种角阀，包括旋锥阀芯和阀体，所述阀体具有进口和拐角90°拐向下侧的出口及横向开设的安装孔，所述旋锥阀芯成套装配于安装孔内，且旋锥阀芯的出水口朝向阀体出口。
一种直流阀，包括旋锥阀芯和阀体，所述阀体具有直线形的进出口通道，阀体上开设有与进出口通道相连通的斜向安装孔，所述旋锥阀芯成套装配于斜向安装孔内，旋锥阀芯出水口与阀体进出口通道位于同一轴心线上。
一种水龙头，包括旋锥阀芯和阀体，所述阀体具有进口和出口及与进出口相连通的竖向安装孔，所述旋锥阀芯成套装配于竖向安装孔内。
与现有技术相比较，本发明具有以下优点：(1)该阀芯不仅结构简单，加工工艺简便，而且成套装配容易，使用寿命长；(2)该阀芯的芯轴和芯座采用锥面配合密封，使用过程中当密封面磨损后，弹簧垫圈的预紧力和流体压力使得芯轴自动上移从而实现磨损自动补偿；(3)密封性能好，芯轴和芯座在使用过程中的相互摩擦使得二者的贴合面更光滑，且在预紧力和流体压力的的作用下实现自密封，具有越磨损密封性能越好的特性；(4)该阀芯运用面广，可像水龙头阀芯一样加工并成套组装成不同的规格型号，并可成套装配在各种类型的阀体上；(5)该阀芯与阀体装配成阀，关闭状态下阀内无任何流体滞留腔隙，消除了卫生及安全隐患；(6)依阀座材质可形成软密封和硬密封形式，适用于从低温到高温，从低压到高压的各种环境条件，其性能优于球阀。
附图说明
图1为本发明的阀芯结构示意图；
图2为本发明的图1的A-A剖视图；
图3为本发明应用旋锥阀芯的直通阀；
图4为本发明应用旋锥阀芯的角阀；
图5为本发明应用旋锥阀芯的直流阀；
图6为本发明应用旋锥阀芯的水龙头；
图中：1-芯盖 11-矩形凸块 12-扩孔 2-芯座 21-出水口 22矩形凹槽 3-芯轴 31-锥台 311-进口凹腔 32-通孔 4-螺母 5-限位片 6-弹簧垫圈 7-阀体 71-阀体进口 72-阀体出口 73-上拐腔室 74-进出口通道 8-旋锥阀芯。
具体实施方式
为让本发明的上述特征和优点能更明显易懂，下文特举实施例，并配合附图，作详 细说明如下，但本发明并不限于此。
参考图1和图2一种自补偿密封旋锥阀芯，包括阀套，所述阀套由芯盖1和连接于芯盖下部的芯座2组成。所述芯盖上部开有轴向通孔，轴向通孔下部具有扩孔12，所述扩孔孔径大于芯轴锥台31上台面直径，确保锥面和锥台配合的密封面磨损后芯轴锥台能有效地自动上移以实现自动补偿磨损并自密封，芯盖下部还设有矩形凸块11；所述芯座沿轴向开有圆锥通孔，圆锥通孔的锥面与锥台相配合，芯座侧壁开设有出水口21，芯座上端面开设有与矩形凸块相配合的矩形凹槽22，确保芯座不随芯轴转动；所述阀套内设置有自下而上穿出芯盖通孔的芯轴3，所述芯轴是一个刚性整件，芯轴上半部为带有螺杆部的轴杆，下半部具有与锥面贴紧配合的锥台，锥台底部设有进口凹腔311，进口凹腔与开设于锥台侧面的通孔32相连通，同时进口凹腔经芯轴旋转后可与芯座侧壁的出水口21相通，形成流体进出通道；所述芯轴锥台侧面与芯座内锥面贴紧配合形成锥面密封；为了调节芯轴，使其具有预紧力，所述芯轴轴杆穿出阀套的螺杆部经限位片5、弹簧垫圈6后由螺母4与阀套锁紧，实现旋锥阀芯的预紧密封和旋转定位。
本实施例中，为了适用于不同的工作环境，所述芯座由塑胶制作以形成与芯轴锥台的软密封，以便用于常温常压管道内，同时可降低生产成本；而当芯座由刚性材料制成并与芯轴锥台形成硬密封时，可用于高温高压的环境条件。
参考图3一种直通阀，包括旋锥阀芯8和设置于旋锥阀芯外部的阀体7，所述阀体具有进口71、出口72及与进口的上拐腔室73相连通的竖向安装孔，所述旋锥阀芯成套装配于竖向安装孔内以使阀体进口经旋锥阀芯进口凹腔31和出水口21与阀体出口相连通。流体由阀体进口流入，经旋锥阀芯底部凹腔及侧面出水口后由阀体出口流出。
参考图4一种角阀，包括旋锥阀芯8和阀体7，所述阀体具有进口71和拐角90°拐向下侧的出口72及横向开设的安装孔，所述旋锥阀芯成套装配于安装孔内，且旋锥阀芯的出水口朝向阀体出口。
参考图5一种直流阀，包括旋锥阀芯8和阀体7，所述阀体具有直线形的进出口通道74，阀体上开设有与进出口通道相连通的斜向安装孔，所述旋锥阀芯成套装配于斜向安装孔内，旋锥阀芯出水口21与阀体进出口通道位于同一轴心线上。
参考图6一种水龙头，包括旋锥阀芯8和阀体7，所述阀体具有进口71和出口72及与进口的上拐腔室73及出口相连通的竖向安装孔，所述旋锥阀芯成套装配于竖向安装孔内。
本发明在一较佳实施例中，还可以将该旋锥阀芯运用于其他阀，例如三通阀。
以上所述仅为本发明的较佳实施例，对于本领域的普通技术人员而言，根据本发明的教导，设计出不同形式的阀芯及其配套的阀并不需要创造性的劳动，在不脱离本发明的原理和精神的情况下凡依本发明申请专利范围所做的均等变化、修改、替换和变型，皆应属本发明的涵盖范围。

Claims (8)

  1. 一种自补偿密封旋锥阀芯，包括阀套，其特征在于，所述阀套的上部具有轴向通孔，阀套下部腔室内具有与轴向通孔同轴心的锥面，所述阀套内设置有自下而上穿出轴向通孔的芯轴，所述芯轴下部具有与锥面贴紧配合的锥台，所述锥台内开设有进口凹腔，所述进口凹腔的侧壁开设有与阀套下部侧壁出水口相连通的通孔，所述芯轴穿出阀套的螺杆部经螺母锁紧以实现与阀套的预紧密封及旋转定位。
  2. 根据权利要求1所述的自补偿密封旋锥阀芯，所述阀套由芯盖和连接于芯盖下方的芯座组成，所述芯盖上部开设有轴向通孔，所述轴向通孔下部具有扩孔，所述扩孔孔径大于芯轴锥台上台面直径以使锥面和锥台的密封面磨损后芯轴自动上移，所述芯盖下部设有矩形凸块；所述芯座沿轴向开设有与轴向通孔同轴心的圆锥通孔，所述出水口开设于芯座侧壁，所述芯座上端面还开设有与矩形凸块相配合的矩形凹槽。
  3. 根据权利要求1所述的自补偿密封旋锥阀芯，所述芯轴为一刚性整件，芯轴穿出阀套的螺杆部依次套有限位片和弹簧垫圈并经螺母与阀套实现旋转定位。
  4. 根据权利要求2所述的自补偿密封旋锥阀芯，所述芯座由塑胶制成以形成与芯轴锥台的软密封，或芯座由刚性材料制成以形成与芯轴锥台的硬密封。
  5. 一种直通阀，其特征在于，包括如权利要求1、2、3或4所述的旋锥阀芯和设置于旋锥阀芯外部的阀体，所述阀体具有进口、出口及竖向安装孔，所述旋锥阀芯成套装配于竖向安装孔内以使阀体进口经旋锥阀芯进口凹腔和出水口与阀体出口相连通。
  6. 一种角阀，其特征在于，包括如权利要求1、2、3或4所述的旋锥阀芯和阀体，所述阀体具有进口和拐角90°拐向下侧的出口及横向开设的安装孔，所述旋锥阀芯成套装配于安装孔内，且旋锥阀芯的出水口朝向阀体出口。
  7. 一种直流阀，其特征在于，包括如权利要求1、2、3或4所述的旋锥阀芯和阀体，所述阀体具有直线形的进出口通道，阀体上开设有与进出口通道相连通的斜向安装孔，所述旋锥阀芯成套装配于斜向安装孔内，旋锥阀芯出水口与阀体进出口通道位于同一轴心线上。
  8. 一种水龙头，其特征在于，包括如权利要求1、2、3或4所述的旋锥阀芯和阀体，所述阀体具有进口和出口及与进出口相连通的竖向安装孔，所述旋锥阀芯成套装配于竖向安装孔内。
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