CN1366154A - 带有磁传感器的电磁阀 - Google Patents
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Abstract
一种带有磁传感器的电磁阀,该电磁阀,可以使监视电磁阀的阀体的切换状态并将其切换状态作为信号取出的磁体的组装简单容易化,同时可以以优良的耐水、防尘状态简单地安装检测该磁体的接近的磁传感器。通过由先导阀流体压驱动,切换压力流体的流动方向,在形成在阀体11的端部的细径部11a上嵌装着环状的磁体13A、13B,在阀体的端部处通过形成与活塞23A、23B的抵接面的盖14A、14B的压入固定而将上述磁体13A、13B固定。在阀身10的阀孔10a的外侧,在与磁体接近的位置形成着收容室30来收容磁传感器31A、31B,在该收容室30上覆盖罩35,在该罩上设有连接器37,该连接器37用于导出朝向先导阀20A、20B的通电线及来自磁传感器的信号线。
Description
技术领域
本发明涉及一种带有磁传感器的电磁阀,该电磁阀中组装入了用于监视阀体的切换状态、并将其切换状态作为信号取出的磁体及磁传感器。
背景技术
过去,对于在电磁阀上附设用于监视其阀体的切换状态、并将其切换状态信号取出用的磁体及磁传感器的情况提出了种种的方案,但是,对于使其组装简单·容易化的同时、以耐水、防尘性优良的状态简单地安装磁传感器的情况没有进行充分的考虑。
发明目的
本发明的目的是解决上述问题,廉价地提供一种带有磁传感器的电磁阀,该带有磁传感器的电磁阀的监视电磁阀的阀体的切换状态并将其切换状态作为信号取出用的磁体的组装简单·容易化,同时可以以耐水、防尘性优良的状态简单地安装检测出该磁铁的接近的磁传感器,其结果可以提高其安全性、可靠性。
技术方案
为了实现上述目的,本发明的带有磁传感器的电磁阀的特征在于,具有:
阀身,该阀身具有多个口;
阀孔,该阀孔设在上述阀身的内部;
阀体,该阀体自由滑动地嵌插在上述阀孔内;
活塞,该活塞自由滑动地配设在上述阀体的轴向两侧;
至少一个先导阀,该先导阀向上述活塞供给控制流体,切换上述阀体;
盖,该盖嵌装在上述阀体的两侧,在该阀体的端部形成上述活塞所抵接的抵接面;
环状的磁体,该磁体嵌入到上述阀体的至少一方的端部,由上述盖固定在其位置;
收容室,该收容室在上述阀身的内部与上述阀孔及磁体接近;
至少一个磁传感器,该磁传感器设置上述该收容室内;
罩,该罩覆盖上述收容室。
在本发明中,上述收容室扩展到上述阀孔的轴向两端部附近。
在本发明中,在上述罩上安装着连接器,该连接器与上述先导阀及磁传感器由经过上述收容室内的导线相互连接。
在上述收容室内设有用于显示上述先导阀的动作状态的显示灯,同时在上述罩上形成着用于透视该显示灯的显示窗。
本发明的电磁阀搭载在具有与上述各口相通的流体流路的基座上。
在这时,在上述基座上形成着配线用的管道,同时在该管道内安装着连接器,将该连接器和上述先导阀及磁传感器由经过上述收容室内的导线相互连接。
具有上述构造的带有磁传感器的电磁阀,在具有用于监视电磁阀的阀体的切换状态并将其切换状态作为信号取出用的磁体及磁传感器电磁阀中,将上述磁体嵌装在阀体的端部的细径部上,在阀体端处由形成与活塞的接触面的盖的压入卡合来固定,因此组装简单、容易,另外,由于在阀身的阀孔的外侧,在与上述磁体接近的位置形成收容室来收容磁传感器,在该收容室上覆盖着罩,因此可以以耐水、防尘性优良的状态简单地安装磁传感器。
另外,由于,将连接器设在与上述收容室的罩或基座连设的配线管道上,该连接器将朝向先导阀的通电线和来自磁传感器的信号线汇集起来进行导出,在该收容室内设有显示先导阀的动作状态的显示灯,通过收容室的罩的显示窗可以辨认该显示灯,因此不仅使各种配线的处理及设置显示灯用的构造简单化,而且可以显著地降低错误配线、错误组装等的可能性,组装容易,在安全性、可靠性、经济性方面也优良。
附图的说明
图1是本发明的带有磁传感器的电磁阀的第一实施例的纵剖面图。
图2是图1的实施例中的要部放大剖面图。
图3是本发明的带有磁传感器的电磁阀的第二实施例的纵剖面图。
图4是图3的实施例中的要部放大剖面图。
实施例
图1和图2是表示本发明的带有磁传感器的电磁阀的第一实施例的图,该带有磁传感器的电磁阀大致具有电磁阀1和基座2,该电磁阀1用于切换压力流体(压缩空气)的流动方向,该基座2具有用于对该电磁阀1的各口进行压力流体的给排的流路。
上述电磁阀1使供给口P、第一及第二输出口A、B及第一、第二排出口EA、EB相对贯通设置在阀身10内的阀孔10a开口,在该阀孔10a内自由滑动地嵌插着用于切换上述口间的流路的滑阀阀体11。上述阀体11作为电磁阀如众所周知的那样,由其向轴向的一方侧或另一方侧的移动而将供给口P切换到第一或第二输出口A、B而与其连通,与其相随,将不与供给口P连通的那一方的输出口与第一或第二排出口EA、EB连通。
另外,图示的电磁阀虽然是阀体11取阀孔的一端侧及另一端侧的切换位置的两位阀,但是也可以构成为具有中立停止位置的三位阀,该中立停止位置将各口保持为关闭或打开的状态。
上述滑阀阀体11在其两端部形成的细径部11a上嵌装着环状的磁体13A、13B。该磁体13A、13B是用于由后述的磁传感器检测滑阀阀体11的位置的构件,阀体11的一端的磁体13A通过在阀体端上压入卡定形成与后述的活塞23A的抵接面的合成树脂制的盖14A而被固定在阀体11上。另外,阀体11的另一端的磁体13B夹着环15及排出口E、B用的单侧密封构件16a通过在阀体端上压入固定形成与后述的活塞23A的抵接面的合成树脂制的盖14B而被固定在阀体11上。这些盖14A、14B具有对活塞23A、23B的冲撞产生缓冲的功能。当然,阀身10及滑阀阀体11是非磁性材料(铝)制。
上述盖14A向阀体的安装如图2详细地表示的那样是如下地进行的,在该阀体11的端部的细径部11a上形成着凹槽17,在用合成树脂制的可若干变形的盖14A内压入上述细径部11a,将盖内周面的爪部18卡定在上述凹槽17中从而完成了其安装。阀体11的另一端盖14B也是同样的。另外,图2中的符号16b表示排出口EA用的单侧的密封构件。
在上述阀身10的两端连接设置着搭载着先导阀20A、20B的转接器21A、21B,在该转接器21A、21B的与阀身10的接合面上形成着与阀身10的壳孔10a同心的活塞室22A、22B,在该活塞室22A、22B中收容着活塞23A、23B,该活塞23A、23B与上述阀体11的端部的盖14a、14B抵接。
在此,省略了先导阀20A、20B的构造及其流路的图示。
上述先导阀20A、20B对活塞室22A、22B给排控制流体,由此,通过活塞23A、23B驱动滑阀阀体11,切换压力流体的流向。即当对先导阀20A的螺线管通电时,由先导阀阀体的接换,先导阀供给流路的控制流体压被导入活塞室22A作用于活塞23A上,滑阀阀体11在图中向右移动,切换阀身10内的流路。另外,当解除向先导阀20A的螺线管通电时,排出上述活塞室22A的控制流体压,同时先导阀供给流路的控制流体压被导入活塞室22B作用于活塞23B,滑阀阀体11在图中向左移动,切换阀身10内的流路。
在上述阀身10的阀孔10a的外侧,在与上述磁体13A、13B接近的位置形成着收容磁传感器31A、31B等的收容室30。即在与阀身10的阀孔10a的各口相反的侧形成着扩展到上述阀孔10a的轴向两端部附近的凹部,由该凹部形成上述收容室30。另外,在该收容室30的侧面面临着朝向上述转接器21A、21B处的先导阀20A、20B的通电线33A、33B的导出口32A、32B。
在上述收容室30内收容着与上述磁体13A、13B对应的磁传感器31A、31B,该磁传感器31A、31B在阀体11到达所需的位置时检测该磁体。另外,在收容室30上覆盖着罩35,在该罩35上设有连接器37,该连接器37用于将朝向先导阀20A、20B的通电线30A、30B及来自磁传感器31A、31B的信号线36A、36B汇集起来导出到外部。另外,在上述收容室30的罩35上设有显示窗38A、38B,在收容室30内的该显示窗38A、38B的内侧设有显示先导阀20A、20B的动作状态的显示灯39A、39B。
另外,在图示的两位阀中,通过上述磁传感器31A、31B检测磁体13A、13B,从而检测到磁体11移动到阀孔10a的两端位置的情况。上述磁传感器及磁体也可以是各一个。另外,在是电磁阀为三位阀那样的电磁阀的流路切换方式不同的情况下,可以与此相对应地设定检测位置,在那时,设有所需数量的磁体及磁传感器,但是通常其设置数量是1~2个。
另外,图中,41A、41B表示安装了上述显示灯39A、39B的印刷电路板,42A、42B表示安装在该印刷电路板41A、41B上的电器元件。
另外,上述基座2作为与一个电磁阀1对应的连通器而形成着,连接其多个进行使用,在基体本体50上设有与上述电磁阀1的各口P、A、B、EA、EB对应的供给流路51、输出流路52A、52B及排出流路53A、53B、供给流路51及输出流路53A、53B与为了在相邻的基座2中相互连通而贯通该基座2的连接面间地设置的供给通孔54及排出通孔55A、55B连通,另外,上述输出流路52A、52B分别独立地开口于基座22的端面上。
图3及图4表示本发明的带有磁传感器的电磁阀的第二实施例,该第二实施例除了以下说明的点之外,其它的由于与上述第一实施例在实质性的构造及作用上没有变化,因此对于与第一实施例实质上相同的部分标注与第一实施例相同的符号,省略其说明。
首先,在该第二实施例的带有磁传感器的电磁阀中,滑阀阀体6的两端的细径部61a上嵌装着环状的磁体13A、13B,由合成树脂制的盖64A、64B的压入、卡定而将这些磁体13A、13B固定。即,如图4所详细表示的那样,在阀体61的端部的细径部61a上形成着爪部67,在其上压入合成树脂制的可若干变形的盖64A、64B,通过在其内周面上接合上述爪部67来安装上述盖64A、64B。该构造,在只要将盖压入阀体的细径部就可固定的点上与第一实施例相同。
另外,在基座本体90上,在避免了阀身61中的阀孔60a和各口P、A、B、EA、EB的干涉的位置上设有从收容室80到达基座本体90的一侧部的配线通路(图中省略),通过该配线通路将朝向先导阀20A、20B的通电线73A、73B及来自磁传感器31A、31B的信号线76A、76B汇集起来导出。
在基座本体90的一侧设有搭载在该基座本体上的收容电磁阀1的各配线的配线管道92。该配线管道92可以将其全部或一部分与该基座本体90形成为一体、或者相对基座本体90独立形成。而且,在该配线管道92中设有连接器77,该连接器77连接上述通电线73A、73B及信号线76A、76B,通过该管道92内导出到外部。
覆盖在收容磁传感器31A、31B的收容室80上的罩85由于朝向上述配线管道92设置着连接器77,而不设置第一实施例那样的连接器37,但是在该罩85上设有显示窗88A、88B,在该显示窗88A、88B的内侧设有显示灯89A、89B。
具有上述构造的第一实施例及第二实施例的带有磁传感器的电磁阀,在具有用于监视电磁阀1的阀体11、61的切换状态并将其切换状态作为信号取出用的磁体13A、13B及磁传感器31A、31B电磁阀中,将上述磁体13A、13B嵌装在阀体的端部的细径部11a、61a上,并通过在阀体端处借助形成与活塞的接触面的盖14A、14B、64A、64B的压入卡定而被固定,因此,其组装简单容易,另外,在阀身10、60中的阀孔的外侧,在与上述磁体接近的位置形成着收容室30、80用于收容上述磁传感器,在该收容室上覆盖着罩35、85,因此可以以耐水、防尘性优良的状态简单地安装磁传感器。
另外,将汇集地导出朝向先导阀的通电线及来自磁传感器的信号线的连接器37、77设在与上述收容室的罩35或与上述基座连接设置的配线管道92上,在该收容室中设置显示先导阀的动作状态的显示灯39A、39B、89A、89B,透过收容室的罩的显示窗可以观看该显示灯,因此不仅各种配线的处理和用于设置显示灯的构造简单,而且错误配线、错误组装等的可能性也显著地降低,组装容易,安全性、可靠性、经济性方面也优良。
发明效果
根据以上详述的本发明,可以在使监视电磁阀的阀体的切换状态并将其切换状态作为信号取出的磁体的组装简单容易化的同时,可以以优良的耐水、防尘状态简单地安装检测该磁体的接近的磁传感器,其结果,可以提供提高了安全性、可靠性的带有磁传感器的电磁阀。
Claims (6)
1.带有磁传感器的电磁阀,其特征在于,具有:
阀身,该阀身具有多个口;
阀孔,该阀孔设在上述阀身的内部;
阀体,该阀体自由滑动地嵌插在上述阀孔内;
活塞,该活塞自由滑动地配设在上述阀体的轴向两侧;
至少一个先导阀,该先导阀向上述活塞供给先导流体,切换上述阀体;
盖,该盖嵌装在上述阀体的两侧,在该阀体的端部形成上述活塞所抵接的抵接面;
环状的磁体,该磁体嵌入到上述阀体的至少一方的端部,由上述盖固定在其位置;
收容室,该收容室形成在上述阀身的内部并与上述阀孔及磁体接近;
至少一个磁传感器,该磁传感器设置上述该收容室内;
罩,该罩覆盖上述收容室。
2.如权利要求1所述的带有磁传感器的电磁阀,其特征在于,上述收容室扩展到上述阀孔的轴向两端部附近。
3.如权利要求2所述的带有磁传感器的电磁阀,其特征在于,在上述罩上安装着连接器,该连接器、上述先导阀及磁传感器由经过上述收容室内的导线相互连接。
4.如权利要求2所述的带有磁传感器的电磁阀,其特征在于,在上述收容室内设有用于显示上述先导阀的动作状态的显示灯,同时在上述罩上形成着用于透视该显示灯的显示窗。
5.如权利要求2所述的带有磁传感器的电磁阀,其特征在于,该电磁阀搭载在具有与上述各口相通的流体流路的基座上。
6.如权利要求5所述的带有磁传感器的电磁阀,其特征在于,上述基座具有配线用的管道,在该管道内安装着连接器,该连接器、上述先导阀及磁传感器由经过上述收容室内的导线相互连接。
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JP2001006705A JP3637282B2 (ja) | 2001-01-15 | 2001-01-15 | 磁気センサ付き電磁弁 |
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US (1) | US6591865B2 (zh) |
EP (1) | EP1223371B1 (zh) |
JP (1) | JP3637282B2 (zh) |
KR (1) | KR100433920B1 (zh) |
CN (1) | CN1293334C (zh) |
DE (1) | DE60221587T2 (zh) |
TW (1) | TW524302U (zh) |
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CN102066701A (zh) * | 2008-07-17 | 2011-05-18 | 三菱电机株式会社 | 可变阀定时调整装置用电磁阀及可变阀定时调整系统 |
CN102734546A (zh) * | 2011-04-07 | 2012-10-17 | Smc株式会社 | 先导式3位置切换阀 |
CN108775223A (zh) * | 2018-05-29 | 2018-11-09 | 大连民族大学 | 阳台逃生梯的展开方法 |
CN110553074A (zh) * | 2018-05-30 | 2019-12-10 | 罗伯特·博世有限公司 | 阀门 |
CN110603385A (zh) * | 2017-03-07 | 2019-12-20 | 阿斯科公司 | 在用于歧管组件的电磁阀中预测失效的装置和方法 |
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JP3637282B2 (ja) * | 2001-01-15 | 2005-04-13 | Smc株式会社 | 磁気センサ付き電磁弁 |
JP3968647B2 (ja) * | 2002-06-11 | 2007-08-29 | Smc株式会社 | 位置検出機構を備えたマニホールドバルブ |
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- 2001-12-28 US US10/028,765 patent/US6591865B2/en not_active Expired - Lifetime
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- 2002-01-14 EP EP02250227A patent/EP1223371B1/en not_active Expired - Lifetime
- 2002-01-14 DE DE60221587T patent/DE60221587T2/de not_active Expired - Lifetime
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CN108775223A (zh) * | 2018-05-29 | 2018-11-09 | 大连民族大学 | 阳台逃生梯的展开方法 |
CN110553074A (zh) * | 2018-05-30 | 2019-12-10 | 罗伯特·博世有限公司 | 阀门 |
CN110553074B (zh) * | 2018-05-30 | 2022-08-30 | 罗伯特·博世有限公司 | 阀门 |
Also Published As
Publication number | Publication date |
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DE60221587D1 (de) | 2007-09-20 |
DE60221587T2 (de) | 2008-04-30 |
TW524302U (en) | 2003-03-11 |
US6591865B2 (en) | 2003-07-15 |
US20020092571A1 (en) | 2002-07-18 |
EP1223371A3 (en) | 2003-04-23 |
EP1223371B1 (en) | 2007-08-08 |
CN1293334C (zh) | 2007-01-03 |
KR100433920B1 (ko) | 2004-06-04 |
EP1223371A2 (en) | 2002-07-17 |
JP2002213639A (ja) | 2002-07-31 |
KR20020061501A (ko) | 2002-07-24 |
JP3637282B2 (ja) | 2005-04-13 |
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