WO2012139374A1 - 磁耦阀 - Google Patents

磁耦阀 Download PDF

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Publication number
WO2012139374A1
WO2012139374A1 PCT/CN2011/081706 CN2011081706W WO2012139374A1 WO 2012139374 A1 WO2012139374 A1 WO 2012139374A1 CN 2011081706 W CN2011081706 W CN 2011081706W WO 2012139374 A1 WO2012139374 A1 WO 2012139374A1
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WO
WIPO (PCT)
Prior art keywords
valve
opening
closing member
magnetic
magnetic coupling
Prior art date
Legal status (The legal status 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 status listed.)
Ceased
Application number
PCT/CN2011/081706
Other languages
English (en)
French (fr)
Inventor
杨立
杨善豪
陈跃进
王子奂
肖大林
代先能
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
HUANGSHI SEASEN ENERGY CONSERVATION TECHNOLOGY DEVELOPEMENT Ltd Co
Original Assignee
HUANGSHI SEASEN ENERGY CONSERVATION TECHNOLOGY DEVELOPEMENT Ltd Co
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Publication of WO2012139374A1 publication Critical patent/WO2012139374A1/zh
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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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
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K31/00—Actuating devices; Operating means; Releasing devices
    • F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
    • F16K31/06—Actuating devices; Operating means; Releasing devices electric; magnetic using a magnet, e.g. diaphragm valves, cutting off by means of a liquid
    • F16K31/08—Actuating devices; Operating means; Releasing devices electric; magnetic using a magnet, e.g. diaphragm valves, cutting off by means of a liquid using a permanent magnet
    • F16K31/086—Actuating devices; Operating means; Releasing devices electric; magnetic using a magnet, e.g. diaphragm valves, cutting off by means of a liquid using a permanent magnet the magnet being movable and actuating a second magnet connected to the closing element
    • F16K31/088—Actuating devices; Operating means; Releasing devices electric; magnetic using a magnet, e.g. diaphragm valves, cutting off by means of a liquid using a permanent magnet the magnet being movable and actuating a second magnet connected to the closing element the movement of the first magnet being a rotating or pivoting movement
    • 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
    • F16K31/00—Actuating devices; Operating means; Releasing devices
    • F16K31/44—Mechanical actuating means
    • F16K31/50—Mechanical actuating means with screw-spindle or internally threaded actuating means
    • F16K31/508—Mechanical actuating means with screw-spindle or internally threaded actuating means the actuating element being rotatable, non-rising, and driving a non-rotatable axially-sliding element

Definitions

  • the present invention relates to an improved technique for a pipe accessory valve, which is a magnetically coupled valve capable of regulating flow.
  • Valves are omnipresent in the national economy. They are closely related to production, construction, national defense and people's lives. For example, in oil, natural gas, coal, mining, refining and transportation; chemical, pharmaceutical, light industry, paper, food processing; hydropower, thermal power, nuclear power systems; agricultural irrigation; metallurgical systems; urban life and industrial enterprises Water supply and drainage, heating, gas supply, sewage systems; ships, vehicles, aerospace, defense systems; fluid systems of various sports machinery, etc. are inseparable from valve products.
  • Valves are installed as piping accessories in a variety of piping systems and are used to control fluid pressure, flow, and direction, such as shutoff, regulation, check, split, safety, and decompression.
  • fluid pressure flow, and direction
  • shutoff regulation, check, split, safety, and decompression
  • the fluid system control requirements and usage requirements are also different.
  • the type and quantity of the valve is unmatched by any kind of mechanical product.
  • valves At present, there are many types of valves, and the most commonly used classification methods at home and abroad are divided according to working principle, function, and structure.
  • the valves are divided into: gate valves, globe valves, check valves, ball valves, butterfly valves, plug valves, diaphragm valves, safety valves, traps, throttle valves, pressure reducing valves and regulating valves.
  • each valve derives a different structure due to different parameters such as connection mode, pressure, temperature, caliber, medium, and driving mode.
  • the opening and closing of the universal valve is generally completed by rotating or sliding the valve stem to rotate the valve stem, and the rotary seal is used to solve the dynamic seal between the valve stem and the fixed valve cover.
  • Leakage can be reduced under constant pressure for a period of time, or when the medium pressure is abnormal, leakage (external leakage) occurs, which often causes industrial accidents and personal injury, resulting in huge economic losses.
  • the valve stem is the core working part and cannot be replaced, which determines that the dynamic seal must be adopted between the valve cover and the valve stem. It is this kind of structural form that cannot completely solve the problem of leakage of dynamic seals. Therefore, "running, rushing, dripping, leaking" has become a major industrial problem, resulting in huge resources and manpower waste.
  • the object of the present invention is to solve the problem that the ordinary valve has a short service life and is prone to leakage, and the latest magnetic floating intelligent valve can not adjust the flow rate and has a small application range, and provides a simple structure. Long life, excellent sealing performance, adjustable flow magnetic coupling valve.
  • the specific scheme of the present invention is: a valve body is designed, and the valve body is designed with an inlet and a water outlet, and between the inlet and the outlet.
  • a transitional water chamber and the side of the transitional water chamber facing the inner mouth of the inlet is designed to be open, and the opening is provided with a valve cover, which is characterized in that: the valve cover is a full-plate sealing gland at the center thereof There is a blind hole on the inner side and a cylindrical boss on the outer side; in the transitional water chamber, an opening and closing member is arranged on the inner mouth of the water inlet, and a boss is arranged on the side facing the valve cover in the middle of the opening and closing member, on the boss a threaded blind hole is provided, and an axial guiding structure is arranged for the opening and closing member; a screw is arranged between the opening and closing member and the valve cover, and one end of the screw is a light rod installed in the blind hole of the valve cover, and the other end of the screw.
  • the inner magnetic coupling body of the present invention has a non-ferrous base plate, a magnetic ring is arranged on the outer surface of the base plate, or a plurality of holes are arranged in a ring shape on the base plate, and each hole is provided with a magnetic body. column.
  • the inner magnetic coupler of the present invention can also adopt a single magnetic disk structure.
  • the outer magnetic coupling knob of the present invention has a non-ferrous knob body, a magnetic ring is embedded on the inner side of the knob body, or a plurality of holes are arranged annularly inside the knob body, and each hole is installed.
  • Structure 1 The axial chute is designed in the transition cavity of the valve body, and the corresponding chute is designed with a slider on the opening and closing member, and the sliding block cooperates with the chute to form an axial guiding structure.
  • Structure 2 at least one axial guiding hole or guiding groove is opened at the edge of the opening and closing member, and a guiding guide column is formed in the transition cavity of the valve body corresponding to the guiding hole or the guiding groove to form an axial guiding structure.
  • Structure 3 The boss on the opening and closing member is designed as a polygonal column, and a guiding plate is arranged in parallel with the opening and closing member in the transition cavity of the valve body, and the guiding plate is designed with a guiding hole facing the boss.
  • the guiding hole has the same cross-sectional shape as the boss, and the boss is movably coupled in the guiding hole to form an axial guiding structure.
  • the guiding structure may also be in various other structural forms, which cannot be listed here, but should be within the protection scope of the present invention.
  • a sealing ring or a gasket is disposed on the sealing end surface of the opening and closing member, or a sealing ring is disposed at the inner opening of the water inlet. And a sealing ring is added between the valve cover and the valve body.
  • the working principle of the invention is: using the principle of magnetic coupling, the screw (ie valve stem) is installed inside the valve body, the N(S) magnetic pole in the outer magnetic coupling knob and the inner magnetic coupling body S in the valve cover (N) The magnetic poles are opposite, and a sealing valve cover is arranged between the two poles, and there is a space gap.
  • the outer magnetic coupling knob is axially rotated, the inner magnetic coupling body is driven by the attracting magnetic force, and rotates with the outer magnetic coupling knob at the same angle.
  • the screw is fixed on the inner magnetic coupling body, the screw rotates with the inner magnetic coupling body, and the screw drives the opening and closing member to move up and down to realize the action of closing and opening the water inlet, and the opening and closing is adjusted by the rotation of the outer magnetic coupling knob, and the magnetic line is used in the valve.
  • External control The screw and the opening and closing member are opened.
  • the rotating action of the permanent magnet outside the valve drives the screw rotation action in the valve body.
  • the screw opens the pilot hole of the valve body opening and closing member during the action, and uses the medium pressure to push the opening and closing member of the valve.
  • the opening and closing mechanism since the opening and closing mechanism is enclosed inside the valve body, the original dynamic seal (filler) is eliminated, so that the leakage of the valve is fundamentally prevented.
  • the external magnetic device is not directly mechanically coupled to the internal opening and closing member, so the device can be removed after the operation is completed.
  • the invention utilizes the magnetic coupling function of the permanent magnet to drive the screw on the outer closed valve to control the opening and closing member to be closed under pressure, without any dynamic sealing member and no wearing parts, and the transmission method fundamentally solves the sealing problem.
  • the magnetic coupling valve of the present invention has a mechanical life of more than 800,000 times and a natural life of more than ten years. It is a service life of more than 10 times that of conventional conventional valves. Therefore, it can reduce the resource, manpower and material waste caused by the replacement of the valve.
  • the present invention has the following advantages:
  • valve stem packing and stuffing box are eliminated, the structure is simple, and the installation and adjustment are convenient;
  • valve opening and closing parts are fully sealed, no contact, no friction, no lubrication, long service life;
  • Figure 1 is a front cross-sectional view showing one of the structures of the present invention
  • FIG. 2 is a schematic view showing the structure of the magnetic coupler of the present invention using a plurality of magnetic column structures
  • Figure 3 is a partial enlarged view of A-A of Figure 1;
  • Figure 4 is a front cross-sectional view showing the second structure of the present invention.
  • Figure 5 is a front cross-sectional view showing the third structure of the present invention.
  • Figure 6 is a partial view of the B-B of Figure 5.
  • Example 1 Referring to Figure 1, one of the structures of the present invention has a valve body 1 in which the inlet and outlet 16 and 14 are designed, and between the inlet and outlet 16 and 14 are designed with a transitional water chamber 17, transitional water.
  • the side of the cavity 17 facing the inner mouth of the water inlet 16 is designed to be open, and is provided with a valve cover 2, which is characterized in that: the valve cover 2 is a full-plate sealing gland, and a blind hole is opened at the inner side of the center, and the outer side is opened.
  • the cylindrical boss 6 is designed; in the transition water chamber 17, an opening and closing member 13 is disposed at an inner mouth of the water inlet 16 , and a boss 12 is disposed on a side of the opening and closing member 13 facing the valve cover, and the boss 12 is disposed on the boss 12 A threaded blind hole 11 is opened, and an axial guiding structure is arranged for the opening and closing member 13; a screw 7 is arranged between the opening and closing member 13 and the valve cover 2, and one end of the screw 7 is a blind rod mounted on the valve cover 2 In the hole, the other end of the screw 7 is screwed with the thread blind hole 11 on the opening and closing member boss 12, and an inner magnetic coupling body is fixed on the screw 7 near the valve cover 2, and an external magnetic body is arranged outside the valve cover 2 a coupling knob, the inner side of the knob is provided with a recessed hole 5, and the recessed hole 5 and the cylindrical boss on the valve cover 2 6 dynamic matching connection.
  • the inner magnetic coupling body in the embodiment has an aluminum alloy (or a non-ferrous metal such as copper or stainless steel), and a magnetic ring 10 is disposed outside the base plate 9.
  • the inner magnetic coupler can also be fabricated by taking a non-ferrous large diameter base 20 having six holes annularly disposed on the base 20, each of which is provided with a magnetic column 21, see Fig. 2.
  • the outer magnetic coupling knob of the embodiment has a stainless steel (or non-ferrous such as copper or aluminum alloy) knob body 4, and a magnetic ring 8 is embedded in the inner side of the knob body 4. (Or a plurality of holes are arranged annularly inside the knob body 4, and a magnetic column is installed in each hole, and the structure of FIG. 2 in the same magnetic coupling body)
  • the magnetic ring 8 and the inner magnetic coupling body in the outer magnetic coupling knob In the magnetic ring 10 their magnetic poles are arranged in the same direction. (The magnetic pole 8 is opposite to the magnetic pole 10 on the opposite side.)
  • the axial guiding structure for the opening and closing member 13 is designed to design an axial sliding groove 19 in the transition cavity 17 of the valve body 1, and a slider is provided on the opening and closing member 13 corresponding to the sliding groove 19. 18.
  • the slider 18 cooperates with the chute 19 to form an axial guiding structure, see FIG.
  • a seal ring 15 is also disposed at the inner mouth of the water inlet pipe 16.
  • a seal ring 3 is added between the bonnet 2 and the valve body 1. That is, one of the structures of the present invention is constructed.
  • Example 2 Referring to FIG. 4, the second structure of the present invention has the same structure as the first example. The difference is that the axial guiding structure provided for the opening and closing member 13 is changed, and it is in the opening and closing member 13 Two axial guiding holes 22 (or guiding grooves) are formed at the upper edge, and two guiding columns 23 are provided in the transition chamber 17 of the valve body 1 corresponding to the guiding holes 22 (or the guiding grooves) to form an axial guiding structure. And the seal ring 15 is mounted at the bottom of the opening and closing member 13.
  • Example 3 Referring to FIG. 5 and FIG. 6, the third structure of the present invention has the same structure as the first example. The difference is that the axial guiding structure provided for the opening and closing member 13 is changed.
  • the boss 12 on the closure 13 is designed as a rectangular column, and A guide plate 24 is disposed in the transition chamber 17 of the valve body 1 in parallel with the opening and closing member 13.
  • the guide plate 24 is provided with a guide hole 26 opposite to the boss 12, and the guide hole 26 has the same cross-sectional shape as the boss 12, and the boss 12 is fitted in the guide hole 26 to form an axially engaging structure, and the seal ring 15 is eliminated, and the seal 25 is attached to the bottom of the opening and closing member 13.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Lift Valve (AREA)
  • Magnetically Actuated Valves (AREA)

Description

磁耦阀
[0001] (一） 技术领域： 本发明涉及管路附件阀门的改进技术， 是一种可调节流量的磁耦 阀。
[0002] (二） 背景技术： 阀门在国民经济中无所不有， 它与生产、 建设、 国防和人民生活 都有着密切关系。 比如在石油、 天然气、 煤炭、 矿山的开采、 提炼和输送； 化工、 医药、 轻 工、 造纸、 食品的加工； 水电、 火电、 核电的电力系统； 农业灌溉； 冶金系统； 城市生活和 工业企业的给排水， 供热、 供气、 排污系统； 船舶、 车辆、 航天、 国防系统； 各种运动机械 的流体系统等等均离不开阀门产品。
[0003] 阀门作为一种管路附件安装在各种管路系统中， 主要用来控制流体的压力、 流量和 方向， 比如截断、 调节、 止回、 分流、 安全、 减压等。 实际上由于流体的压力、 温度、 流量 及化学物理性质不同， 对流体系统控制要求和使用要求也不同。 正是由于管路及流体的特殊 性， 也决定了阀门的复杂性， 所以阀门的种类和数量之大是任何一种机械产品无法比拟的。
[0004] 目前阀门种类十分繁多， 国内外最常用的分类方法是按工作原理、 作用、 按结构不 同来划分。 即将阀门分为： 闸阀、 截止阀、 止回阀、 球阀、 蝶阀、 旋塞阀、 隔膜阀、 安全 阀、 疏水阀、 节流阀、 减压阀和调节阀。 在此基础上， 每种阀门又因连接方式、 压力、 温 度、 口径、 介质、 驱动方式等参数的不同而派生出不同的结构。
[0005] 当前， 通用阀门的启闭一般采用手轮转动带动阀杆旋转或滑动来完成， 旋转升降或 滑动的阀杆和不动的阀盖之间用填塞料来解决动密封， 在一定的时间内恒定压力下可以减少 泄露， 使用一段时间， 或者介质压力发生异常， 就会出现泄漏 （外漏）， 常因此发生工业事 故及人身伤害， 造成巨大的经济损失。 在其工作原理中， 阀杆是核心工作部件并且无法代 替， 从而决定了阀盖与阀杆之间必须采用动密封形式。 正是此种结构形式， 无法彻底解决动 密封泄漏问题， 因而 "跑、 冒、 滴、 漏"成为一大工业难题， 造成巨大资源、 人力浪费。
[0006] 为了有效解决普通阀门的泄漏问题， 申请人率先提出了磁浮式智能阀， 并刚刚申请 了国家专利， 这种磁浮式智能阀彻底解决了阀门的泄漏问题， 大大提高了阀门的使用寿命， 并且有延时功能， 但只有截止功能， 不能调节流量， 适用范围受到了限制。
[0007] (三） 发明内容： 本发明的目的就是要解决普通阀门使用寿命短， 容易发生泄漏， 而最新的磁浮式智能阀， 不能调节流量， 适用范围小的问题， 提供一种结构简单， 使用寿命 长， 密封性能极好， 可调节流量的磁耦阀。
[0008] 本发明的具体方案是： 设计有阀体， 阀体内设计有进、 出水道， 进、 出水道之间设 计有过渡水腔， 过渡水腔面对进水道内口的一侧设计为敞口， 该敞口配有阀盖， 其特征是： 所述阀盖为整板式密封压盖， 在其中心处内侧开设有盲孔， 外侧设计有圆柱凸台； 在过渡水 腔中正对进水道的内口布置有启闭件， 在启闭件中部面对阀盖的一侧设有凸台， 凸台上开设 有螺纹盲孔， 并且为启闭件配设有轴向导向结构； 在启闭件与阀盖之间装有一螺杆， 螺杆的 一端为光杆装在阀盖的盲孔中， 螺杆的另一端与启闭件凸台上的螺纹盲孔螺纹连接， 且在螺 杆上靠近阀盖固定装有一内磁耦体， 在阀盖外部配有外磁耦体旋钮， 该旋钮的内侧中心处开 设有凹孔， 该凹孔与阀盖上的圆柱凸台动配合连接。
[0009] 本发明中所述内磁耦体， 具有一个非铁质基盘， 在基盘的外部套装有一个磁环， 或 者是在基盘上环形布置有若干孔， 每个孔内装有磁柱。 本发明中的内磁耦体还可以采用单一 的磁盘结构。
[0010] 本发明中所述外磁耦体旋钮， 具有一个非铁质旋钮体， 在旋钮体内侧嵌装有一个磁 环， 或者是在旋钮体内侧环形布置有若干孔， 每个孔内安装有磁柱； 所述外磁耦体旋钮中的 磁环或磁柱与内磁耦体中的磁环或磁柱， 它们的磁极同向布置。
[0011] 本发明中所述为启闭件配设的轴向导向结构， 本申请仅提供三种典型结构。
[0012] 结构一： 是在阀体的过渡腔中设计轴向滑槽， 在启闭件上对应滑槽设计有滑块， 滑 块与滑槽配合形成轴向导向结构。
[0013] 结构二： 是在启闭件上靠边缘处开设至少一个轴向导向孔或导向槽， 而在阀体的过 渡腔中对应导向孔或导向槽设置导向柱形成轴向导向结构。
[0014] 结构三： 是将启闭件上的凸台设计为多边形立柱， 而在阀体的过渡腔中与启闭件平 行布置有导向板， 导向板上正对凸台设计有导向孔， 导向孔与凸台的截面形状相同， 且凸台 穿装在导向孔中动配合连接， 构成轴向导向结构。
[0015] 当然导向结构还可以是其它各种结构形式， 这里不能一一罗列， 但都应在本发明保 护范围之内。
[0016] 为了确保密封效果， 降低加工精度成本， 本发明中在启闭件的密封端面上布置有密 封圈或密封垫， 或在进水道内口布置有密封圈。 并且在阀盖与阀体之间加装有密封圈。
[0017] 本发明的工作原理是： 采用磁力耦合原理， 将螺杆 （即阀杆） 安装在阀体内部， 外 磁耦体旋钮中的 N(S)磁极与阀盖内的内磁耦体 S(N)磁极相对， 两极之间设有密封阀盖， 存 在空间间隙， 当外磁耦体旋钮轴向转动时， 内磁耦体受吸引磁力驱动， 随外磁耦体旋钮同角 度转动。 螺杆固定在内磁耦体上， 螺杆随内磁耦体转动， 同时螺杆驱动启闭件上下运动， 实 现封闭和开启进水口动作， 通过外磁耦体旋钮的转动调节启闭， 利用磁力线在阀体外部控制 螺杆及启闭件开启动作。 阀体外的永磁体旋转动作驱动阀体内螺杆旋转动作， 螺杆在动作过 程中开启阀体启闭件的先导孔， 利用介质压力推动阀门的启闭件动作。
[0018] 本发明由于启闭机构封闭在阀体内部， 取消了原来的动密封 （填料）， 所以从根本上 杜绝了阀门的外漏发生。 外部磁力装置与内部启闭件无直接机械联接， 故该装置可于操作完 毕后取下旋钮带走。 独特的技术结构， 使本发明阀门具备了零外漏、 防盗、 自锁等功能。
[0019] 本发明利用永磁体的磁力耦合作用在全封闭阀体外驱动螺杆控制启闭件顺压关闭， 无任何动密封件， 无易损件， 此种传动方式从根本上解决了密封问题， 从而对材料、 工艺要 求和加工精度等均有很大的降低， 节约了大量的资源。 经过反复试验， 本发明的磁耦阀机械 寿命高达 80万次以上， 自然寿命达到十年以上， 是一般传统普通各种阀体 10倍以上的使用 寿命。 所以可降低阀门在更换时所造成的资源和人力、 物力的极大浪费， 同时， 它完全是一 种新一代节能环保产品， 可产生节约水资源、 燃气资源， 降低空气碳排放， 在使用寿命、 安 全可靠性、 节能减排， 降漏减污等技术指标上与传统产品有着巨大的优势， 在新一代节能减 排产品中起着巨大的社会效益和经济效益。
[0020] 本发明具有以下优点：
1、 取消了阀杆填料、 填料函， 结构简单， 安装调整方便；
2、 降低了加工精度及生产成本， 便于通用化生产；
3、 解决了外漏；
4、 采用磁力耦合技术， 阀门启闭件全密封， 无接触、 无摩擦、 无润滑， 使用寿命长；
5、 安装简便， 免维护；
6、 扭力限力保护， 减小阀门动密封件机械损伤， 延长使用寿命；
7、 具有安全保护， 阀开关保护防盗等功能。
[0021】（四） 附图说明：
图 1是本发明结构之一的主剖视图；
图 2是本发明内磁耦体采用多个磁柱结构的示意图；
图 3是图 1的 A-A局部放大视图；
图 4是本发明结构之二的主剖视图；
图 5是本发明结构之三的主剖视图；
图 6是图 5的 B-B局部视图。
[0022] 图中： 1-阀体， 2-阀盖， 3-密封圈， 4-旋钮体， 5-凹孔， 6-圆柱凸台， 7-螺杆， 8-磁 环， 9-基盘， 10-磁环， 11-螺纹盲孔， 12-凸台， 13-启闭件， 14-出水道， 15-密封圈， 16-进水 道， 17-过渡水腔， 18-滑块， 19-滑槽， 20-大直径基盘， 21-磁柱， 22-导向孔， 23-导向柱， 24-导向板， 25-密封垫， 26-导向孔。
[0023] (五） 具体实施方式：
例 1 : 参见图 1， 本发明的结构之一具有阀体 1， 阀体 1内设计有进、 出水道 16和 14， 进、 出水道 16和 14之间设计有过渡水腔 17， 过渡水腔 17面对进水道 16内口的一侧设计为敞 口， 配有阀盖 2， 其特征是： 所述阀盖 2为整板式密封压盖， 在其中心处内侧开设有盲孔， 外侧设计有圆柱凸台 6; 在过渡水腔 17中正对进水道 16的内口布置有启闭件 13， 在启闭件 13中部面对阀盖的一侧设有凸台 12， 凸台 12上开设有螺纹盲孔 11， 并且为启闭件 13配设 有轴向导向结构； 在启闭件 13与阀盖 2之间装有一螺杆 7， 螺杆 7的一端为光杆装在阀盖 2 的盲孔中， 螺杆 7的另一端与启闭件凸台 12上的螺纹盲孔 11螺纹连接， 且在螺杆 7上靠近 阀盖 2固定装有一内磁耦体， 在阀盖 2外部配有外磁耦体旋钮， 该旋钮的内侧中心处开设有 凹孔 5， 该凹孔 5与阀盖 2上的圆柱凸台 6动配合连接。
[0024] 本实施例中所述内磁耦体， 具有一个铝合金 （或铜质或不锈钢等非铁质） 基盘 9， 在 基盘 9 的外部套装有一个磁环 10。 内磁耦体还可以这样制作， 取一非铁质大直径基盘 20， 在基盘 20上环形布置有六个孔， 每个孔内装有磁柱 21， 参见图 2。
[0025] 本实施例中所述外磁耦体旋钮， 具有一个不锈钢 （或铜质或铝合金等非铁质） 旋钮 体 4， 在旋钮体 4内侧嵌装有一个磁环 8。 （或者是在旋钮体 4内侧环形布置有若干孔， 每个 孔内安装有磁柱，同内磁耦体内图 2 的结构） 所述外磁耦体旋钮中的磁环 8 与内磁耦体中的 磁环 10， 它们的磁极同向布置。 （则磁环 8与磁环 10的相对面磁极相反。）
本实施例中所述为启闭件 13配设的轴向导向结构， 是在阀体 1的过渡腔 17中设计轴向滑槽 19， 在启闭件 13 上对应滑槽 19设计有滑块 18， 滑块 18 与滑槽 19配合形成轴向导向结 构， 参见图 3。
[0026] 本实施例中还在进水道 16内口布置有密封圈 15。 并在阀盖 2与阀体 1之间加装有密 封圈 3。 即构成本发明结构之一。
[0027] 例 2: 参见图 4， 本发明的结构之二， 其结构基本同例 1， 不同的是， 为启闭件 13配 设的轴向导向结构有变化， 它是在启闭件 13 上靠边缘处开设两个轴向导向孔 22 (或导向 槽）， 而在阀体 1的过渡腔 17中对应导向孔 22 (或导向槽） 设置两根导向柱 23形成轴向导 向结构。 并且将密封圈 15安装在启闭件 13的底部。
[0028] 例 3 : 参见图 5、 图 6， 本发明的结构之三， 其结构基本同例 1， 不同的是， 为启闭 件 13配设的轴向导向结构有变化， 它是将启闭件 13上的凸台 12设计成长方形立柱， 而在 阀体 1 的过渡腔 17中与启闭件 13平行布置有导向板 24， 导向板 24上正对凸台 12设计有 导向孔 26， 导向孔 26与凸台 12的截面形状相同， 且凸台 12穿装在导向孔 26中动配合连 接， 构成轴向导向结构， 并且取消密封圈 15， 而在启闭件 13的底部装上密封垫 25。

Claims

1. 磁耦阀， 具有阀体， 阀体内设计有进、 出水道， 进、 出水道之间设计有过渡水腔， 过渡 水腔面对进水道内口的一侧设计为敞口， 该敞口配有阀盖， 其特征是： 所述阀盖为整板式密 封压盖， 在其中心处内侧开设有盲孔， 外侧设计有圆柱凸台； 在过渡水腔中正对进水道的内 口布置有启闭件， 在启闭件中部面对阀盖的一侧设有凸台， 凸台上开设有螺纹盲孔， 并且为 启闭件配设有轴向导向结构； 在启闭件与阀盖之间装有一螺杆， 螺杆的一端为光杆装在阀盖 的盲孔中， 螺杆的另一端与启闭件凸台上的螺纹盲孔螺纹连接， 且在螺杆上靠近阀盖固定装 有一内磁耦体， 在阀盖外部配有外磁耦体旋钮， 该旋钮的内侧中心处开设有凹孔， 该凹孔与 阀盖上的圆柱凸台动配合连接。
2. 根据权利要求 1 所述的磁耦阀， 其特征是： 所述内磁耦体， 具有一个非铁质基盘， 在基 盘的外部套装有一个磁环， 或者是在基盘上环形布置有若干孔， 每个孔内装有磁柱。
3. 根据权利要求 1 所述的磁耦阀， 其特征是： 所述外磁耦体旋钮， 具有一个非铁质旋钮 体， 在旋钮体内侧嵌装有一个磁环， 或者是在旋钮体内侧环形布置有若干孔， 每个孔内安装 有磁柱； 所述外磁耦体旋钮中的磁环或磁柱与内磁耦体中的磁环或磁柱， 它们的磁极同向布 置。
4. 根据权利要求 1 所述的磁耦阀， 其特征是： 所述为启闭件配设的轴向导向结构， 是在阀 体的过渡腔中设计轴向滑槽， 在启闭件上对应滑槽设计有滑块， 滑块与滑槽配合形成轴向导 向结构。
5. 根据权利要求 1 所述的磁耦阀， 其特征是： 所述为启闭件配设的轴向导向结构， 是在启 闭件上靠边缘处开设至少一个轴向导向孔或导向槽， 而在阀体的过渡腔中对应导向孔或导向 槽设置导向柱形成轴向导向结构。
6. 根据权利要求 1 所述的磁耦阀， 其特征是： 所述为启闭件配设的轴向导向结构， 是将启 闭件上的凸台设计为多边形立柱， 而在阀体的过渡腔中与启闭件平行布置有导向板， 导向板 上正对凸台设计有导向孔， 导向孔与凸台的截面形状相同， 且凸台穿装在导向孔中动配合连 接， 构成轴向导向结构。
7. 根据权利要求 1 所述的磁耦阀， 其特征是： 在启闭件的密封端面上布置有密封圈或密封 垫， 或在进水道内口布置有密封圈。
8. 根据权利要求 1所述的磁耦阀， 其特征是： 在阀盖与阀体之间加装有密封圈。
1
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