CN109630694A - 一种沟槽化电磁阀阀芯结构 - Google Patents

一种沟槽化电磁阀阀芯结构 Download PDF

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Publication number
CN109630694A
CN109630694A CN201811632169.3A CN201811632169A CN109630694A CN 109630694 A CN109630694 A CN 109630694A CN 201811632169 A CN201811632169 A CN 201811632169A CN 109630694 A CN109630694 A CN 109630694A
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China
Prior art keywords
valve
trench
spool
electromagnetic valve
valve core
Prior art date
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Application number
CN201811632169.3A
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English (en)
Inventor
彭传龙
李凌
董林渊
胡逸雪
赵婧娟
谢志刚
牛世勇
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Xian Flight Automatic Control Research Institute of AVIC
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Xian Flight Automatic Control Research Institute of AVIC
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Priority to CN201811632169.3A priority Critical patent/CN109630694A/zh
Publication of CN109630694A publication Critical patent/CN109630694A/zh
Withdrawn legal-status Critical Current

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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
    • F16K1/14—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 ball-shaped valve 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
    • 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
    • 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
    • F16K31/0644—One-way valve
    • F16K31/0655—Lift valves
    • F16K31/0665—Lift valves with valve member being at least partially ball-shaped
    • 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
    • F16K31/0686—Braking, pressure equilibration, shock absorbing

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

Abstract

本发明公开了一种沟槽化电磁阀阀芯结构，阀芯2上与阀套1间隙配合的部分上，开设有若干引流槽3，引流槽3的过流面积不低于阀套1内回油流道4截面面积的4倍。本发明设计的沟槽化电磁阀阀芯结构解决了电磁阀因阀芯与阀套组件之间的缝隙节流而造成的动态响应偏低的问题，设计的沟槽化电磁阀阀芯结构应用于电磁阀中能够显著的提高电磁阀接通和断开时的响应速度，提高电磁阀动态响应性能。

Description

一种沟槽化电磁阀阀芯结构
技术领域
本发明属于电磁阀技术，具体涉及一种沟槽化电磁阀阀芯结构。
背景技术
电磁阀是一种电液转换元件，由线圈组件和进油组件组成。其中线圈组件为电气元件，进油组件为液压元件。进油组件由阀套组件和阀芯组成，电磁阀通过控制线圈组件的供电产生电磁力来控制进油组件中阀芯在阀套组件中随处的位置从而达到切换进油组件油路的作用。进油组件中的阀芯与阀套采用间歇配合连接。电磁阀工作时液压油在阀套组件与阀芯之间的间隙中产生缝隙节流，使得阀芯运动受限，导致电磁阀动态响应性能较差。
本发明提出了一种沟槽化电磁阀阀芯结构，该结构能够保证阀芯在阀套组件中运动时确保阀芯与阀套组件之间的配合间隙不变的前提下通过沟槽化阀芯结构增加阀芯两端的过流面积，防止阀芯处产生缝隙节流影响阀芯运动，能有效地提高电磁阀的动态响应特性。
发明内容
本发明的目的：为解决电磁阀因阀芯与阀套组件之间间隙配合产生的缝隙节流而导致的电磁阀动态响应性能较差的问题。通过设计沟槽化阀芯，避免阀芯与阀套组件产生缝隙节流，提出一种沟槽化电磁阀阀芯结构。
本发明的技术方案：
一种沟槽化电磁阀阀芯结构，其特征在于，阀芯2上与阀套1间隙配合的部分上，开设有若干引流槽3，引流槽3的过流面积不低于阀套1内回油流道4截面面积的4倍。
所述的阀芯2采用440C不锈钢材料。
所述的引流槽3的横截面积为矩形。
所述的引流槽3为两条，并且在阀芯2上对称分布。
本发明的优点：
本发明设计的沟槽化电磁阀阀芯结构解决了电磁阀因阀芯与阀套组件之间的缝隙节流而造成的动态响应偏低的问题，设计的沟槽化电磁阀阀芯结构应用于电磁阀中能够显著的提高电磁阀接通和断开时的响应速度，提高电磁阀动态响应性能。
附图说明：
图1是本发明的具体结构示意图。
图2为本发明阀芯结构示意图。
其中，1是阀套，2是阀芯，3是引流槽，4是回油流道。
具体实施方式：
下面结合附图对本发明做进一步详细描述。
如图1、2所示，本发明实施例中，阀芯2采用440C不锈钢材料，阀芯2上与阀套1间隙配合的部分上，开设有一条引流槽3，横截面积为矩形，本实施例中回油流道4的尺寸是直径为0.8mm的圆，面积是0.5mm2，因此，引流槽3尺寸选取1mm*2mm的矩形，面积是2mm2。
电磁阀工作时线圈组件通电时阀芯在阀套组件中向左运动，阀套组件中的钢球与阀套左侧贴紧，电磁阀的控制腔Pa腔与进油腔Ps接通。在电磁阀阀芯向左移动时阀芯左端与阀套组件之间的液压油通过阀芯上的引流槽进入电磁阀回油腔T腔。当电磁阀线圈组件断电时，阀芯在阀套组件中向右运动，阀套组件中的钢球与阀套右侧贴紧，电磁阀的控制腔Pa腔与回油腔T腔接通。在电磁阀向右移动时回油腔T腔液压油通过阀芯上的引流槽进入阀芯左侧空间中。在电磁阀阀芯运动时解决了液压油从阀芯与阀套组件之间的配合间隙中流动而产生的液压阻尼，提高了电磁阀的动态响应性能。

Claims (4)

1.一种沟槽化电磁阀阀芯结构，其特征在于，阀芯(2)上与阀套(1)间隙配合的部分上，开设有若干引流槽(3)，引流槽(3)的过流面积不低于阀套(1)内回油流道(4)截面面积的4倍。
2.根据权利要求1所述的一种沟槽化电磁阀阀芯结构，其特征在于，所述的阀芯(2)采用440C不锈钢材料。
3.根据权利要求1所述的一种沟槽化电磁阀阀芯结构，其特征在于，所述的引流槽(3)的横截面积为矩形。
4.根据权利要求1所述的一种沟槽化电磁阀阀芯结构，其特征在于，所述的引流槽(3)为两条，并且在阀芯(2)上对称分布。
CN201811632169.3A 2018-12-28 2018-12-28 一种沟槽化电磁阀阀芯结构 Withdrawn CN109630694A (zh)

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201322067Y (zh) * 2008-08-08 2009-10-07 宁波市鄞州通力液压电器厂 高速开关阀
US20100314567A1 (en) * 2009-06-11 2010-12-16 Toyota Jidosha Kabushiki Kaisha Solenoid valve control apparatus and actuator
CN105952704A (zh) * 2016-07-14 2016-09-21 实用动力(中国)工业有限公司 一种插装式高压环形缝隙节流阀
CN206175774U (zh) * 2016-09-30 2017-05-17 赵乐 一种机械用电磁阀
CN207298017U (zh) * 2017-09-25 2018-05-01 无锡市美泰克精密机械有限公司 一种插装式高压环形缝隙节流阀
CN208348658U (zh) * 2018-06-06 2019-01-08 中国航空工业集团公司西安飞行自动控制研究所 一种沟槽化电磁阀阀芯结构

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201322067Y (zh) * 2008-08-08 2009-10-07 宁波市鄞州通力液压电器厂 高速开关阀
US20100314567A1 (en) * 2009-06-11 2010-12-16 Toyota Jidosha Kabushiki Kaisha Solenoid valve control apparatus and actuator
CN105952704A (zh) * 2016-07-14 2016-09-21 实用动力(中国)工业有限公司 一种插装式高压环形缝隙节流阀
CN206175774U (zh) * 2016-09-30 2017-05-17 赵乐 一种机械用电磁阀
CN207298017U (zh) * 2017-09-25 2018-05-01 无锡市美泰克精密机械有限公司 一种插装式高压环形缝隙节流阀
CN208348658U (zh) * 2018-06-06 2019-01-08 中国航空工业集团公司西安飞行自动控制研究所 一种沟槽化电磁阀阀芯结构

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Application publication date: 20190416