CN104048077A - 油控超高压单向阀 - Google Patents

油控超高压单向阀 Download PDF

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Publication number
CN104048077A
CN104048077A CN201410300069.6A CN201410300069A CN104048077A CN 104048077 A CN104048077 A CN 104048077A CN 201410300069 A CN201410300069 A CN 201410300069A CN 104048077 A CN104048077 A CN 104048077A
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Prior art keywords
cavity
piston
cock
wall
oil control
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CN201410300069.6A
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CN104048077B (zh
Inventor
黄铁军
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Jiangsu Xingyi Valve Co ltd
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WUXI WEIHAIDA MACHINERY MANUFACTURING Co Ltd
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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
    • F16K15/00—Check valves
    • F16K15/02—Check valves with guided rigid valve members
    • F16K15/04—Check valves with guided rigid valve members shaped as balls
    • 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
    • F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
    • F16K17/02—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side
    • F16K17/04—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side spring-loaded
    • F16K17/0406—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side spring-loaded in the form of balls
    • 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
    • F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
    • F16K17/02—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side
    • F16K17/04—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side spring-loaded
    • F16K17/0493—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side spring-loaded with a spring other than a helicoidal spring
    • 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
    • F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
    • F16K17/02—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side
    • F16K17/164—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side and remaining closed after return of the normal pressure

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Taps Or Cocks (AREA)
  • Check Valves (AREA)

Abstract

本发明公开了一种油控超高压单向阀，该单向阀的腔体内设有入液通道、出液通道、钢球、活塞、高弹膜和旋塞，所述钢球设在所述入液通道出口处，所述活塞密封滑动地设在所述腔体内，与所述钢球连接；所述高弹膜设在所述活塞和所述旋塞之间，且四周与所述腔体内壁密封连接；所述旋塞与所述腔体内壁为螺纹密封连接；在所述活塞和所述高弹膜之间的腔体壁上设有测压孔，在所述高弹膜和所述旋塞之间的腔体壁上设有控油孔。本发明利用高弹膜再结合油控，来调节进入阀体的液体压力大小，只有输入液体压力大于高弹膜发生形变的最小力时，该阀体才能导通；结构简单，使用方便。

Description

油控超高压单向阀
技术领域
本发明涉及机械阀技术领域，尤其是一种油控超高压单向阀。
背景技术
现有的超高压单向阀，虽然功能强大，但相应结构复杂，操作繁琐，更重要的是容易出现故障，维修不便，导致成本高。
发明内容
本发明针对现有技术的不足，提出一种油控超高压单向阀，结构巧妙，使用方便。
为了实现上述发明目的，本发明提供以下技术方案：一种油控超高压单向阀，该单向阀的腔体内设有入液通道、出液通道、钢球、活塞、高弹膜和旋塞，所述钢球设在所述入液通道出口处，所述活塞密封滑动地设在所述腔体内，与所述钢球连接；所述高弹膜设在所述活塞和所述旋塞之间，且四周与所述腔体内壁密封连接；所述旋塞与所述腔体内壁为螺纹密封连接；在所述活塞和所述高弹膜之间的腔体壁上设有测压孔，在所述高弹膜和所述旋塞之间的腔体壁上设有控油孔。
进一步地，所述入液通道的出口处设为锥形敞口。
进一步地，所述活塞外壁设有多道密封圈。
与现有技术相比，本发明具有以下优点：利用高弹膜再结合油控，来调节进入阀体的液体压力大小，只有输入液体压力大于高弹膜发生形变的最小力时，该阀体才能导通；结构简单，使用方便。
附图说明
图1为本发明的结构示意图。
具体实施方式
下面结合附图对本发明进行详细描述，本部分的描述仅是示范性和解释性，不应对本发明的保护范围有任何的限制作用。
如图1所示的一种油控超高压单向阀，该阀体8的腔体内设有入液通道1、出液通道2、钢球3、活塞7、高弹膜4和旋塞6，所述钢球3设在所述入液通道1出口处，与所述活塞7固定连接；所述活塞7密封滑动地设在所述腔体内；所述高弹膜4设在所述活塞7和所述旋塞6之间，且四周与所述腔体内壁密封连接；所述旋塞6与所述腔体内壁为螺纹密封连接；在所述活塞7和所述高弹膜4之间的腔体壁上设有测压孔9，在所述高弹膜4和所述旋塞6之间的腔体壁上设有控油孔10。其中钢球3的直径大于入液通道1的，可阻止入液通道1的液体进入阀体内。
入液通道1与所述出液通道2为90度设置，方便活塞7驱动钢球3对入液通道1实现堵塞；通过测压孔9可检测压力，只有在输入液的压力大于高弹膜4发生形变的最小力的情况下，该阀体才能导通；而静控油孔10向高弹膜4和旋塞6之间的腔体5输入控油，还可对高弹膜4发生形变的最小力进行控制，从而实现调节输入液的压力。
在不工作情况下，高弹膜4为松弛状态，此时钢球3正好堵塞住入液通道1的出口，因此该阀只能单向导通。
为确保活塞7在腔体内的密封性，活塞7外壁设有多道密封圈。

Claims (3)

1.一种油控超高压单向阀，其特征在于：该单向阀的腔体内设有入液通道、出液通道、钢球、活塞、高弹膜和旋塞，所述钢球设在所述入液通道出口处，所述活塞密封滑动地设在所述腔体内，与所述钢球连接；所述高弹膜设在所述活塞和所述旋塞之间，且四周与所述腔体内壁密封连接；所述旋塞与所述腔体内壁为螺纹密封连接；在所述活塞和所述高弹膜之间的腔体壁上设有测压孔，在所述高弹膜和所述旋塞之间的腔体壁上设有控油孔。
2.如权利要求1所述油控超高压单向阀，其特征在于：所述入液通道的出口处设为锥形敞口。
3.如权利要求1或2所述油控超高压单向阀，其特征在于：所述活塞外壁设有多道密封圈。
CN201410300069.6A 2014-06-30 2014-06-30 油控超高压单向阀 Active CN104048077B (zh)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104847931A (zh) * 2015-05-05 2015-08-19 朱志强 储罐内置安全阀

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3055388A (en) * 1958-05-22 1962-09-25 Mastabar Mining Equip Co Ltd Liquid pressure control valves
JPH07260021A (ja) * 1994-03-24 1995-10-13 Hikari Gokin Seisakusho:Kk 逆流防止型水抜栓の弁構造
DE4435493A1 (de) * 1994-10-04 1996-04-11 Bosch Gmbh Robert Druckbegrenzungsventil
CN101688619A (zh) * 2007-07-09 2010-03-31 Itt制造企业公司 止回阀
EP2275726A1 (en) * 2006-03-08 2011-01-19 Delphi Technologies Holding S.à.r.l. Valve assemblies
CN202100778U (zh) * 2010-09-27 2012-01-04 刘振峰 一种气控球式止回阀
CN102348916A (zh) * 2009-04-06 2012-02-08 株式会社鹭宫制作所 压力动作控制阀
CN202580152U (zh) * 2012-04-20 2012-12-05 杭州沃发科技有限公司 可调式单向阀
CN203286061U (zh) * 2013-05-31 2013-11-13 厦门盈硕科机械制造有限公司 一种止回阀
CN203604729U (zh) * 2013-10-23 2014-05-21 南通皋液液压机有限公司 一种湿式粉末磁性材料专用液压机注料可控单向阀

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3055388A (en) * 1958-05-22 1962-09-25 Mastabar Mining Equip Co Ltd Liquid pressure control valves
JPH07260021A (ja) * 1994-03-24 1995-10-13 Hikari Gokin Seisakusho:Kk 逆流防止型水抜栓の弁構造
DE4435493A1 (de) * 1994-10-04 1996-04-11 Bosch Gmbh Robert Druckbegrenzungsventil
EP2275726A1 (en) * 2006-03-08 2011-01-19 Delphi Technologies Holding S.à.r.l. Valve assemblies
CN101688619A (zh) * 2007-07-09 2010-03-31 Itt制造企业公司 止回阀
CN102348916A (zh) * 2009-04-06 2012-02-08 株式会社鹭宫制作所 压力动作控制阀
CN202100778U (zh) * 2010-09-27 2012-01-04 刘振峰 一种气控球式止回阀
CN202580152U (zh) * 2012-04-20 2012-12-05 杭州沃发科技有限公司 可调式单向阀
CN203286061U (zh) * 2013-05-31 2013-11-13 厦门盈硕科机械制造有限公司 一种止回阀
CN203604729U (zh) * 2013-10-23 2014-05-21 南通皋液液压机有限公司 一种湿式粉末磁性材料专用液压机注料可控单向阀

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104847931A (zh) * 2015-05-05 2015-08-19 朱志强 储罐内置安全阀

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