CN104728506B - Digital guide inserts overflow valve - Google Patents
Digital guide inserts overflow valve Download PDFInfo
- Publication number
- CN104728506B CN104728506B CN201510129476.XA CN201510129476A CN104728506B CN 104728506 B CN104728506 B CN 104728506B CN 201510129476 A CN201510129476 A CN 201510129476A CN 104728506 B CN104728506 B CN 104728506B
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- CN
- China
- Prior art keywords
- ring
- electromagnet
- positioning
- main valve
- controller
- 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
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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
- F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
- F16K17/20—Excess-flow valves
- F16K17/22—Excess-flow valves actuated by the difference of pressure between two places in the flow line
- F16K17/24—Excess-flow valves actuated by the difference of pressure between two places in the flow line acting directly on the cutting-off member
- F16K17/28—Excess-flow valves actuated by the difference of pressure between two places in the flow line acting directly on the cutting-off member operating in one direction only
- F16K17/30—Excess-flow valves actuated by the difference of pressure between two places in the flow line acting directly on the cutting-off member operating in one direction only spring-loaded
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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
- F16K37/00—Special means in or on valves or other cut-off apparatus for indicating or recording operation thereof, or for enabling an alarm to be given
- F16K37/0025—Electrical or magnetic means
- F16K37/005—Electrical or magnetic means for measuring fluid parameters
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Safety Valves (AREA)
Abstract
The present invention relates to a kind of digital guide inserts overflow valve, which includes a communication interface, and the communication interface is installed on a display screen, and the display screen is fixed on the controller by slot；The controller is connected with D/A modules by slot, and the D/A modules are connected with proportional amplifier by wire；The amplifier is fixed on electromagnet by insert row, and electromagnet is directly contacted with pilot valve spring, and gear oil seal circle is arranged between the amplifier and electromagnet；The controller, D/A modules, proportional amplifier, electromagnet are provided with O-ring on the upper bush in upper bush.Apparatus of the present invention set oil pressure relief by numeric keypad so that the overflow of setting is more accurate, safety；Oil pressure relief is set by long-range programming, user actual state can adjust oil pressure relief according to residing for hydraulic circuit at any time so that system design and use more flexibility, solve the problems, such as arbitrarily to adjust once setting oil pressure relief.
Description
Technical field
The present invention relates to a kind of pressure valve, particularly a kind of digital guide's inserting overflow valve.
Background technology
Pressure-control valve during overflow valve is inserted as hydraulic valve, has to the normal work of hydraulic system irreplaceable
Effect, it is applied in a substantially any hydraulic circuit.Its Main Function is the overflow by valve port, makes unnecessary fluid
Fuel tank is flowed back to, the pressure so as to control hydraulic system or loop is a steady state value or prevents hydraulic system from transshipping, and plays pressure regulator valve
Effect with safety valve.It is to adjust pressure regulating screw manually that tradition sets the method for overflow valve pressure, increases valve core spring pretightning force
Big or reduction, so that set the oil pressure relief of overflow valve.The problem that this kind of method is present be due to operator's experience, level not
One so that the pressure of setting is simultaneously inaccurate, and when oil pressure relief is set up, system will often be loaded into higher pressure so that adjust
There is certain potential safety hazard in constant-pressure process.
Content of the invention
Present invention aims to the defect that prior art is present, there is provided a kind of digital guide inserts overflow valve,
Oil pressure relief can be set accurately, can use long-range programming mode to instead of workman's hand labour, more security.
For reaching above-mentioned purpose, the present invention adopts following technical proposals：
A kind of digital guide inserts overflow valve, and which includes a communication interface, and the communication interface is arranged on display screen
On, the display screen is fixed on the controller by slot；The controller is connected with D/A modules by slot, the D/A moulds
Block is connected with proportional amplifier by wire；The amplifier is fixed on electromagnet by insert row, and electromagnet is directly and guide
Valve core spring is contacted, and gear oil seal circle is arranged between the amplifier and electromagnet；The controller, D/A modules, ratio are put
Big device, electromagnet are provided with the first O-ring, the second O-ring in upper bush on the upper bush；The pilot valve
In pilot valve, the pilot valve is positioned spring by back-up ring, is fixed on pedestal；Screen pack is kept off by screen pack
Delineation position, the screen pack, screen pack back-up ring are in screw-in set；First main valve plug spring upper end is positioned by back-up ring is filtered,
Lower end is positioned by main valve plug, on main valve plug；Second main valve plug spring, upper end are fixed by pedestal by set positioning, lower end is screwed in
Position, the screw-in set, the second main valve plug spring, main valve plug are arranged in lower sleeve, by sealing ring between lower sleeve and screw-in set
Sealing；The lower sleeve is positioned with elastic spring by hole, with pedestal and cage connection, is fixed by tightly lock screw；Install on shell
There is outside sealing ring.
The communication interface external connection numeric keypad, sets oil pressure relief by numeric keypad；And connect computer, far
Journey programming sets oil pressure relief.
Compared with prior art, the present invention has the substantive distinguishing features and significant advantage for projecting as follows：
Apparatus of the present invention set oil pressure relief by numeric keypad so that the overflow of setting is more accurate, safety；By long-range
Programming sets oil pressure relief, and user actual state can adjust oil pressure relief according to residing for hydraulic circuit at any time so that system sets
Count and use more flexibility, solve the problems, such as arbitrarily to adjust once setting oil pressure relief；Shown by display screen and set
Fixed oil pressure relief, for hydraulic system debugging and maintenance and inspection have certain help.
Description of the drawings
Fig. 1 is that digital guide inserts overflow valve profile.
Specific embodiment
Below in conjunction with the accompanying drawings, the specific embodiment of the present invention is further described.
As shown in figure 1, a kind of digital guide inserts overflow valve, comprising a communication interface 15, connection numeric keypad or
Person sets oil pressure relief by long-range programming, and the communication interface 15 is installed on display screen 14, and the display screen 14 can show
The oil pressure relief of setting is simultaneously fixed on controller 13 by slot.The controller 13 is connected with D/A modules 12 by slot,
The D/A modules 12 are connected with proportional amplifier 11 by wire；The amplifier 11 is fixed on electromagnet 10 by insert row 18
On, electromagnet 10 is directly contacted with pilot valve spring 9.Controller 13 reads setup pressure value, and digital quantity signal is passed through D/A
Module 12 is converted into analog signalses, and analog signalses produce electricity through proportional amplifier 11 by 18 DM 10 of insert row
Magnetic force, produces certain pretightning force to pilot valve spring 9.Gear oil seal circle 19 is installed in the amplifier 11 and electromagnet 10
Between；The controller 13, D/A modules 12, proportional amplifier 11, electromagnet 10 are arranged in upper bush 16, the upper bush
First O-ring 20, the second O-ring 22 are installed on 16.The pilot valve spring 9 is arranged in pilot valve 23, the elder generation
Guide valve core 23 is positioned by back-up ring 8, is fixed on pedestal 1；Screen pack 6 is positioned by screen pack back-up ring 5, the screen pack 6, mistake
Filter screen back-up ring 5 is in screw-in set 4；First main valve plug spring, 3 upper end is positioned by back-up ring 5 is filtered, and lower end is determined by main valve plug 2
Position, on main valve plug 2；Second main valve plug spring 26, upper end are positioned by set 4 is screwed in, and lower end is positioned by pedestal 1, the rotation
Enter set 4, the second main valve plug spring 26, main valve plug 2 to be arranged in lower sleeve 24.X mouths be control mouth, fluid enter pilot valve 23
Back cavity；P mouths fluid enters 23 ante-chamber of pilot valve, as P mouth pressure is increased up reaching setting pressure, enters through damping hole
The pressure for entering ante-chamber overcomes the pretightning force of X mouths pressure and pilot valve spring 9, opens pilot stage.After pilot valve is opened, P mouths
Pressure is acted on simultaneously with first drain stream, overcomes the first main valve plug spring 3, the pretightning force of the second main valve plug spring 26 and pilot stage
Active force, back down main valve plug 2, realize overflow.Sealed by sealing ring 25 between lower sleeve 24 and screw-in set 4；The lower sleeve
24 are positioned by hole elastic spring 7, with pedestal 1 and cage connection, are fixed by tightly lock screw 17；Outside sealing is installed on shell
Circle 21.
15 external connection numeric keypad of the communication interface, sets oil pressure relief by numeric keypad；And connect computer,
Long-range programming sets oil pressure relief.
Claims (2)
1. a kind of digital guide inserts overflow valve, it is characterised in that comprising a communication interface（15）, the communication interface
（15）It is arranged on display screen（14）On, the display screen（14）Controller is fixed on by slot（13）On；The controller
（13）By slot and D/A modules（12）Connection, the D/A modules（12）By wire and proportional amplifier（11）It is connected；Institute
State proportional amplifier（11）By insert row（18）It is fixed on electromagnet（10）On, electromagnet（10）Directly with pilot valve spring
（9）Contact, keeps off oil seal circle（19）It is arranged on the proportional amplifier（11）With electromagnet（10）Between；The controller
（13）, D/A modules（12）, proportional amplifier（11）, electromagnet（10）It is arranged on upper bush（16）In, the upper bush（16）On
First O-ring is installed（20）, the second O-ring（22）；The pilot valve spring（9）It is arranged on pilot valve（23）On, institute
State pilot valve（23）By back-up ring（8）Positioning, is fixed on pedestal（1）On；Screen pack（6）By screen pack back-up ring（5）Positioning,
The screen pack（6）, screen pack back-up ring（5）Cover installed in screwing in（4）In；First main valve plug spring（3）Upper end is kept off by screen pack
Circle（5）Positioning, lower end is by main valve plug（2）Positioning, installed in main valve plug（2）On；Second main valve plug spring（26）, upper end is by screwing in
Set（4）Positioning, lower end is by pedestal（1）Positioning, described screw-in cover（4）, the second main valve plug spring（26）, main valve plug（2）It is arranged on
Lower sleeve（24）In, lower sleeve（24）Cover with screwing in（4）Between by sealing ring（25）Sealing；The lower sleeve（24）By hole steel
Silk back-up ring（7）Positioning, with pedestal（1）And cage connection, by tightly lock screw（17）Fixed；Outside sealing ring is installed on shell
（21）.
2. digital guide according to claim 1 inserts overflow valve, it is characterised in that the communication interface（15）Outside
Connection numeric keypad, sets oil pressure relief by numeric keypad；Numeric keypad connects computer, and long-range programming sets overflow pressure
Power.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510129476.XA CN104728506B (en) | 2015-03-24 | 2015-03-24 | Digital guide inserts overflow valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510129476.XA CN104728506B (en) | 2015-03-24 | 2015-03-24 | Digital guide inserts overflow valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104728506A CN104728506A (en) | 2015-06-24 |
| CN104728506B true CN104728506B (en) | 2017-03-15 |
Family
ID=53452692
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510129476.XA Active CN104728506B (en) | 2015-03-24 | 2015-03-24 | Digital guide inserts overflow valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104728506B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105952953B (en) * | 2016-05-19 | 2018-03-09 | 北京控制工程研究所 | A kind of response time adjustable pilot solenoid valve structure |
| CN111594499B (en) * | 2020-05-28 | 2022-04-08 | 宁波华液机器制造有限公司 | Inverse proportion overflow valve |
| CN114688322A (en) * | 2022-04-28 | 2022-07-01 | 靖江市新博液压件有限公司 | High-efficient type overflow valve and overflow valve dismantlement structure |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201461568U (en) * | 2009-05-15 | 2010-05-12 | 上海豪高机电科技有限公司 | Full-thread cartridge high-flow digital hydraulic speed control valve |
| CN202545395U (en) * | 2012-03-23 | 2012-11-21 | 山东泰丰液压股份有限公司 | Pilot electrohydraulic proportional overflow valve |
| DE102012212826A1 (en) * | 2012-07-23 | 2014-01-23 | Robert Bosch Gmbh | Poppet valve assembly used in regions of mobile working machine e.g. excavator, has main stage that is closed and opened according to control of flow regions by positioning of hydraulic position-controlled precursor |
| CN103233936B (en) * | 2013-04-28 | 2016-01-20 | 华侨大学 | A kind of leading type electricity liquid ratio relief valve based on plug-in mounting structure |
| CN203257779U (en) * | 2013-05-06 | 2013-10-30 | 北京华德液压工业集团有限责任公司 | Pilot-operated type proportional overflow valve |
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2015
- 2015-03-24 CN CN201510129476.XA patent/CN104728506B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN104728506A (en) | 2015-06-24 |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |