CN104373402A - 液压多路阀阀芯 - Google Patents
液压多路阀阀芯 Download PDFInfo
- Publication number
- CN104373402A CN104373402A CN201410647172.8A CN201410647172A CN104373402A CN 104373402 A CN104373402 A CN 104373402A CN 201410647172 A CN201410647172 A CN 201410647172A CN 104373402 A CN104373402 A CN 104373402A
- Authority
- CN
- China
- Prior art keywords
- throttling groove
- group
- oil
- throttling
- valve core
- 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.)
- Granted
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B13/00—Details of servomotor systems ; Valves for servomotor systems
- F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
- F15B13/022—Flow-dividers; Priority valves
-
- 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
- F16K47/00—Means in valves for absorbing fluid energy
- F16K47/04—Means in valves for absorbing fluid energy for decreasing pressure or noise level, the throttle being incorporated in the closure member
Abstract
Description
Claims (7)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201410647172.8A CN104373402B (zh) | 2014-11-14 | 2014-11-14 | 液压多路阀阀芯 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201410647172.8A CN104373402B (zh) | 2014-11-14 | 2014-11-14 | 液压多路阀阀芯 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN104373402A true CN104373402A (zh) | 2015-02-25 |
CN104373402B CN104373402B (zh) | 2016-07-06 |
Family
ID=52552504
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201410647172.8A Active CN104373402B (zh) | 2014-11-14 | 2014-11-14 | 液压多路阀阀芯 |
Country Status (1)
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CN (1) | CN104373402B (zh) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105370655A (zh) * | 2015-12-16 | 2016-03-02 | 日照海卓液压有限公司 | 多模式双油路电液比例溢流调速阀 |
CN105840576A (zh) * | 2016-05-18 | 2016-08-10 | 山东常林机械集团股份有限公司 | 一种电控换向阀 |
CN109139592A (zh) * | 2018-09-29 | 2019-01-04 | 宁波诚天液压有限公司 | 一种手动比例换向阀 |
CN110307200A (zh) * | 2018-05-29 | 2019-10-08 | 林德(中国)叉车有限公司 | 一种叉车倾斜控制系统和方法 |
CN113309754A (zh) * | 2021-05-26 | 2021-08-27 | 涌镇液压机械(上海)有限公司 | 比例换向阀的阀芯结构 |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4056126A (en) * | 1975-03-19 | 1977-11-01 | Robert Bosch Gmbh | Spool valve arrangement |
DE2726503A1 (de) * | 1977-06-11 | 1978-12-21 | Bosch Gmbh Robert | Steuerschieber fuer ein hydraulisches wegeventil |
US4463660A (en) * | 1981-05-14 | 1984-08-07 | Mannesmann Rexroth Gmbh | Multi-way valve |
CN102287413A (zh) * | 2011-09-29 | 2011-12-21 | 卢宇 | 具有转向负载反馈功能的比例多路阀 |
CN102444636A (zh) * | 2010-09-30 | 2012-05-09 | 李金海 | 一种挖掘机负载敏感压力补偿多路阀 |
CN104141650A (zh) * | 2014-07-29 | 2014-11-12 | 浙江海宏液压科技股份有限公司 | 一种负载敏感的叉车多路阀 |
CN204253480U (zh) * | 2014-11-14 | 2015-04-08 | 江苏柳工机械有限公司 | 液压多路阀阀芯 |
-
2014
- 2014-11-14 CN CN201410647172.8A patent/CN104373402B/zh active Active
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4056126A (en) * | 1975-03-19 | 1977-11-01 | Robert Bosch Gmbh | Spool valve arrangement |
DE2726503A1 (de) * | 1977-06-11 | 1978-12-21 | Bosch Gmbh Robert | Steuerschieber fuer ein hydraulisches wegeventil |
US4463660A (en) * | 1981-05-14 | 1984-08-07 | Mannesmann Rexroth Gmbh | Multi-way valve |
CN102444636A (zh) * | 2010-09-30 | 2012-05-09 | 李金海 | 一种挖掘机负载敏感压力补偿多路阀 |
CN102287413A (zh) * | 2011-09-29 | 2011-12-21 | 卢宇 | 具有转向负载反馈功能的比例多路阀 |
CN104141650A (zh) * | 2014-07-29 | 2014-11-12 | 浙江海宏液压科技股份有限公司 | 一种负载敏感的叉车多路阀 |
CN204253480U (zh) * | 2014-11-14 | 2015-04-08 | 江苏柳工机械有限公司 | 液压多路阀阀芯 |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105370655A (zh) * | 2015-12-16 | 2016-03-02 | 日照海卓液压有限公司 | 多模式双油路电液比例溢流调速阀 |
CN105840576A (zh) * | 2016-05-18 | 2016-08-10 | 山东常林机械集团股份有限公司 | 一种电控换向阀 |
CN110307200A (zh) * | 2018-05-29 | 2019-10-08 | 林德(中国)叉车有限公司 | 一种叉车倾斜控制系统和方法 |
CN110307200B (zh) * | 2018-05-29 | 2021-04-20 | 林德(中国)叉车有限公司 | 一种叉车倾斜控制系统和方法 |
CN109139592A (zh) * | 2018-09-29 | 2019-01-04 | 宁波诚天液压有限公司 | 一种手动比例换向阀 |
CN113309754A (zh) * | 2021-05-26 | 2021-08-27 | 涌镇液压机械(上海)有限公司 | 比例换向阀的阀芯结构 |
Also Published As
Publication number | Publication date |
---|---|
CN104373402B (zh) | 2016-07-06 |
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GR01 | Patent grant | ||
TR01 | Transfer of patent right |
Effective date of registration: 20201116 Address after: No.1 Ningzhen Road, Runzhou District, Changzhou City, Jiangsu Province Patentee after: LIUGONG CHANGZHOU MACHINERY Co.,Ltd. Address before: The town of Nanjing Road 212005 Zhenjiang city of Jiangsu Province, Runzhou District No. 1 Patentee before: Jiangsu Liugong Machinery Co.,Ltd. |
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CP02 | Change in the address of a patent holder |
Address after: No.588, Yancheng South Road, Wujin high tech Industrial Development Zone, Changzhou City, Jiangsu Province 213164 Patentee after: LIUGONG CHANGZHOU MACHINERY Co.,Ltd. Address before: 213164 No.1 Ningzhen highway, Runzhou District, Changzhou City, Jiangsu Province Patentee before: LIUGONG CHANGZHOU MACHINERY Co.,Ltd. |
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CP02 | Change in the address of a patent holder |