CN105605016A - Automatic reset hydraulic manual valve - Google Patents
Automatic reset hydraulic manual valve Download PDFInfo
- Publication number
- CN105605016A CN105605016A CN201610122385.8A CN201610122385A CN105605016A CN 105605016 A CN105605016 A CN 105605016A CN 201610122385 A CN201610122385 A CN 201610122385A CN 105605016 A CN105605016 A CN 105605016A
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- CN
- China
- Prior art keywords
- convex shoulder
- valve
- oil
- spool
- hydraulic manual
- 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.)
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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
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Multiple-Way Valves (AREA)
Abstract
The invention discloses an automatic reset hydraulic manual valve which comprises a valve shell. A cavity is arranged in the valve shell, a valve element is arranged in the cavity, a first end cover is arranged at one end of the valve element and is fixed onto the valve shell, the other end of the valve element penetrates a mounting hole in a second end cover, the second end cover is fixed onto the valve shell, a first shoulder and a second shoulder are arranged on the valve element, first shoulder oil through holes and second shoulder oil through holes are respectively formed in the first shoulder and the second shoulder, a reset spring is penetratingly arranged on the valve element, one end of the reset spring is arranged on the first end cover in a press fit manner, the other end of the reset spring is arranged on the side walls of the first shoulder in a press fit manner, and a load oil duct and a second load oil duct are arranged on the valve shell and are respectively positioned on two sides of the cavity. Compared with the traditional electromagnets, the automatic reset hydraulic manual valve has the advantages that the automatic reset hydraulic manual valve is high in reliability, low in manufacturing cost and free of constraints of on-off of power, is small and can stably work for a long time.
Description
Technical field
The invention belongs to fluid control field, be specifically related to a kind of automatically reset hydraulic manual valve.
Background technology
Reversal valve is to have two or more liquid forms and the directional control valve of more than two hydraulic fluid port, it can realize communication, cut-out and the commutation of hydraulic oil stream, and the valve of discharge degree and sequentially-operating control, 2/2-way reversal valve is one of reversal valve of commonly using the most, and it is widely used in industrial and agricultural production.
At present, the 2/2-way reversal valve major part on the army and the people market all adopts electromagnet structure form, and it resets to initial position and mainly relies on electromagnet energising or power-off to realize, thereby the work of reversal valve can be subject to the restriction of power on/off; In addition, the long-term energising of electromagnet easily produces fever phenomenon, thereby causes easily aging, damage of electromagnet coil, and directly causes its reliability decrease.
Summary of the invention
The object of invention is to provide a kind of automatically reset hydraulic manual valve, and its functional reliability is high, volume is little, cost is cheap and be not subject to the restriction of power on/off, work that can be steady in a long-term.
For achieving the above object, invention provides following technical scheme:
A kind of automatically reset hydraulic manual valve, comprise valve shell, in described valve shell, be provided with cavity, in described cavity, be provided with spool, one end of described spool is provided with the first end cap, described the first end cap is fixed on valve shell, the other end of described spool is through the installing hole on the second end cap, described the second end cap is fixed on valve shell, described spool is provided with the first convex shoulder and the second convex shoulder, on described the first convex shoulder and the second convex shoulder, be respectively equipped with the first convex shoulder oil through and the second convex shoulder oil through, on described spool, be equipped with back-moving spring, one end of described back-moving spring is pressed on first end and covers, its other end is pressed on the sidewall of the first convex shoulder, the both sides that are positioned at cavity on described valve shell are respectively equipped with the first load oil duct and the second load oil duct.
Preferably, the both sides of described the first convex shoulder are respectively equipped with a first convex shoulder oil through, and described first axis of convex shoulder oil through and the axis of spool are parallel.
Preferably, the both sides of described the second convex shoulder are obliquely installed respectively a second convex shoulder oil through, and described the second convex shoulder oil through is about the axis symmetry of spool.
Preferably, described second axis of convex shoulder oil through and the angle of horizontal plane are 5-10 degree.
Preferably, the end face fitting with valve shell on described the first end cap and the second end cap is equipped with annular groove, in described annular groove, is provided with sealing ring.
Preferably, described first end covers and is provided with the first groove, the first seal in described the first groove, and described the second end cap is provided with the second groove, the second seal in described the second groove.
Compared with prior art, the beneficial effect of the invention is:
The spool of this hydraulic manual valve the elastic force of back-moving spring and hydraulic oil to spool under the pressure differential effect of the first convex shoulder and the second convex shoulder, keep spool all the time in initial position state; When manual external force promotes spool to mobile on one side, hydraulic oil is linked up by the first load oil duct and the second load oil duct, and hydraulic oil enters respectively the two ends of the first convex shoulder and the second convex shoulder through the first convex shoulder oil through and the second convex shoulder oil through; In the time that the external force of promotion spool is cancelled, spool automatically resets to initial position; The functional reliability of this hydraulic manual valve is high, volume is little, cost is cheap and be not subject to the restriction of power on/off, work that can be steady in a long-term.
Brief description of the drawings
Fig. 1 is the structural representation of a kind of automatically reset hydraulic manual valve in the embodiment of the present invention;
Fig. 2 is the structural representation of spool in the embodiment of the present invention;
In figure, 1, valve shell, 2, cavity, 3, spool, 4, the first end cap, 5, the second end cap, 6, annular groove, 7, the first convex shoulder, 8, the second convex shoulder, 9, the first convex shoulder oil through, 10, the second convex shoulder oil through, 11, back-moving spring, 12, the first load oil duct, 13, the second load oil duct, 14, the first groove, 15, the second groove.
Detailed description of the invention
Below in conjunction with the accompanying drawing in inventive embodiments, the technical scheme in inventive embodiments is clearly and completely described, obviously, described embodiment is only a part of embodiment of invention, instead of whole embodiment. Based on the embodiment in invention, those of ordinary skill in the art are not making the every other embodiment obtaining under creative work prerequisite, all belong to the scope of invention protection.
Refer to shown in Fig. 1 and Fig. 2, a kind of automatically reset hydraulic manual valve, comprise valve shell 1, in described valve shell 1, be provided with cavity 2, in described cavity 2, be provided with spool 3, one end of described spool 3 is provided with the first end cap 4, described the first end cap 4 is fixed on valve shell 1, the other end of described spool 3 is through the installing hole on the second end cap 5, described the second end cap 5 is fixed on valve shell 1, described the first end cap 4 and the second end cap 5 are equipped with annular groove 6 with the end face that valve shell 1 fits, in described annular groove 6, be provided with sealing ring, described spool 3 is provided with the first convex shoulder 7 and the second convex shoulder 8, the both sides of the first convex shoulder 7 are respectively equipped with a first convex shoulder oil through 9, the axis of described the first convex shoulder oil through 9 is parallel with the axis of spool 3, the both sides of described the second convex shoulder 8 are obliquely installed respectively a second convex shoulder oil through 10, described the second convex shoulder oil through 10 is about the axis symmetry of spool 3, described second axis of convex shoulder oil through 10 and the angle of horizontal plane are typically designed to 5-10 degree, on described spool 3, be equipped with back-moving spring 11, one end of described back-moving spring 11 is pressed on the first end cap 4, its other end is pressed on the sidewall of the first convex shoulder 7, the both sides that are positioned at cavity 2 on described valve shell 1 are respectively equipped with the first load oil duct 12 and the second load oil duct 13, described the first end cap 4 is provided with the first groove 14, the first seal in described the first groove 14, described the second end cap 5 is provided with the second groove 15, the second seal in described the second groove 15.
The spool 3 of this hydraulic manual valve the elastic force of back-moving spring 11 and hydraulic oil to spool 3 under the pressure differential effect of the first convex shoulder 7 and the second convex shoulder 8, keep spool 3 all the time in initial position state, now, between the first load oil duct 12 and the second load oil duct 13, mutually cut off; When manual external force promotes spool 3 to mobile on one side, hydraulic oil is linked up by the first load oil duct 12 and the second load oil duct 13, and hydraulic oil enters respectively the two ends of the first convex shoulder 7 and the second convex shoulder 8 through the first convex shoulder oil through 9 and the second convex shoulder oil through 10; In the time that the external force of promotion spool 3 is cancelled, spool 3 automatically resets to initial position under the effect of back-moving spring 11; The functional reliability of this hydraulic manual valve is high, volume is little, cost is cheap and be not subject to the restriction of power on/off, work that can be steady in a long-term.
Above content is only to invention structure example and explanation; affiliated those skilled in the art make various amendments to described specific embodiment or supplement or adopt similar mode to substitute; only otherwise depart from the structure of invention or surmount this scope as defined in the claims, all should belong to the protection domain of invention.
Claims (6)
1. an automatically reset hydraulic manual valve, is characterized in that: comprise valve shell, in described valve shell, be provided withCavity, is provided with spool in described cavity, and one end of described spool is provided with the first end cap, and described the first end cap is fixed on outside valve bodyOn shell, the other end of described spool is through the installing hole on the second end cap, and described the second end cap is fixed on valve shell, instituteState spool and be provided with the first convex shoulder and the second convex shoulder, on described the first convex shoulder and the second convex shoulder, be respectively equipped with the first convex shoulder oil throughWith the second convex shoulder oil through, on described spool, be equipped with back-moving spring, one end of described back-moving spring is pressed on first end and covers,Its other end is pressed on the sidewall of the first convex shoulder, and the both sides that are positioned at cavity on described valve shell are respectively equipped with the first load oilRoad and the second load oil duct.
2. the automatically reset hydraulic manual valve of one according to claim 1, is characterized in that: described the first convex shoulderBoth sides be respectively equipped with a first convex shoulder oil through, described first axis of convex shoulder oil through and the axis of spool are parallel.
3. the automatically reset hydraulic manual valve of one according to claim 2, is characterized in that: described the second convex shoulderBoth sides be obliquely installed respectively a second convex shoulder oil through, described the second convex shoulder oil through is about the axis symmetry of spool.
4. the automatically reset hydraulic manual valve of one according to claim 3, is characterized in that: described the second convex shoulderThe axis of oil through and the angle of horizontal plane are 5-10 degree.
5. the automatically reset hydraulic manual valve of one according to claim 1, is characterized in that: described the first end capBe equipped with annular groove with the end face fitting with valve shell on the second end cap, in described annular groove, be provided with sealing ring.
6. the automatically reset hydraulic manual valve of one according to claim 5, is characterized in that: described the first end capBe provided with the first groove, the first seal in described the first groove, described the second end cap is provided with the second groove, and described secondThe second seal in groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610122385.8A CN105605016A (en) | 2016-03-03 | 2016-03-03 | Automatic reset hydraulic manual valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610122385.8A CN105605016A (en) | 2016-03-03 | 2016-03-03 | Automatic reset hydraulic manual valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105605016A true CN105605016A (en) | 2016-05-25 |
Family
ID=55985242
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610122385.8A Pending CN105605016A (en) | 2016-03-03 | 2016-03-03 | Automatic reset hydraulic manual valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105605016A (en) |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5653421A (en) * | 1996-07-08 | 1997-08-05 | Lockheed Martin Vought Systems Corporation | Fluid switch |
| CN2729389Y (en) * | 2004-08-04 | 2005-09-28 | 浙江大学 | Water hydraulic magnetic switch valve |
| CN102155154A (en) * | 2010-07-09 | 2011-08-17 | 兰州理工大学 | Pressure controlled automatic reversing working device for punch of rock drilling machine |
| WO2011155603A1 (en) * | 2010-06-10 | 2011-12-15 | 株式会社アドヴィックス | Normally closed solenoid valve |
| CN202579393U (en) * | 2012-04-25 | 2012-12-05 | 三一重型综采成套装备有限公司 | Hand-operated reversing valve and sealing structure thereof |
| CN103016835A (en) * | 2012-12-08 | 2013-04-03 | 中国航天科技集团公司第六研究院第十一研究所 | Forward low-friction unloading gear for reducing valve and reducing valve |
| CN203384412U (en) * | 2013-06-05 | 2014-01-08 | 浙江工商职业技术学院 | Accurate and reliable hand-operated reversing valve |
| CN103672066A (en) * | 2013-12-05 | 2014-03-26 | 吴忠仪表有限责任公司 | Novel stop valve |
| CN203614894U (en) * | 2013-10-14 | 2014-05-28 | 宁波明启液压机械有限公司 | Hand-operated direction valve |
| CN104100589A (en) * | 2014-07-04 | 2014-10-15 | 宁波雪隆王液压科技有限公司 | Fast multi-direction multifunctional liquid control valve |
| CN104976171A (en) * | 2014-04-14 | 2015-10-14 | 周明嵩 | Three-position and three-way hand-operated direction valve |
-
2016
- 2016-03-03 CN CN201610122385.8A patent/CN105605016A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5653421A (en) * | 1996-07-08 | 1997-08-05 | Lockheed Martin Vought Systems Corporation | Fluid switch |
| CN2729389Y (en) * | 2004-08-04 | 2005-09-28 | 浙江大学 | Water hydraulic magnetic switch valve |
| WO2011155603A1 (en) * | 2010-06-10 | 2011-12-15 | 株式会社アドヴィックス | Normally closed solenoid valve |
| CN102155154A (en) * | 2010-07-09 | 2011-08-17 | 兰州理工大学 | Pressure controlled automatic reversing working device for punch of rock drilling machine |
| CN202579393U (en) * | 2012-04-25 | 2012-12-05 | 三一重型综采成套装备有限公司 | Hand-operated reversing valve and sealing structure thereof |
| CN103016835A (en) * | 2012-12-08 | 2013-04-03 | 中国航天科技集团公司第六研究院第十一研究所 | Forward low-friction unloading gear for reducing valve and reducing valve |
| CN203384412U (en) * | 2013-06-05 | 2014-01-08 | 浙江工商职业技术学院 | Accurate and reliable hand-operated reversing valve |
| CN203614894U (en) * | 2013-10-14 | 2014-05-28 | 宁波明启液压机械有限公司 | Hand-operated direction valve |
| CN103672066A (en) * | 2013-12-05 | 2014-03-26 | 吴忠仪表有限责任公司 | Novel stop valve |
| CN104976171A (en) * | 2014-04-14 | 2015-10-14 | 周明嵩 | Three-position and three-way hand-operated direction valve |
| CN104100589A (en) * | 2014-07-04 | 2014-10-15 | 宁波雪隆王液压科技有限公司 | Fast multi-direction multifunctional liquid control valve |
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| C06 | Publication | ||
| PB01 | Publication | ||
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| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160525 |