CN107620820A - A kind of adjustable overflow reversal valve calibrated automatically - Google Patents
A kind of adjustable overflow reversal valve calibrated automatically Download PDFInfo
- Publication number
- CN107620820A CN107620820A CN201711186013.2A CN201711186013A CN107620820A CN 107620820 A CN107620820 A CN 107620820A CN 201711186013 A CN201711186013 A CN 201711186013A CN 107620820 A CN107620820 A CN 107620820A
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- spring
- overflow
- valve body
- electromagnet
- housing
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 22
- 229910052742 iron Inorganic materials 0.000 claims abstract description 11
- 238000007789 sealing Methods 0.000 claims description 5
- 238000004891 communication Methods 0.000 claims description 4
- 230000008676 import Effects 0.000 claims description 3
- 239000003921 oil Substances 0.000 description 19
- 239000010720 hydraulic oil Substances 0.000 description 8
- 230000006835 compression Effects 0.000 description 5
- 238000007906 compression Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 238000005452 bending Methods 0.000 description 3
- 239000012530 fluid Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 239000002828 fuel tank Substances 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000021715 photosynthesis, light harvesting Effects 0.000 description 1
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- Magnetically Actuated Valves (AREA)
Abstract
The invention discloses a kind of adjustable overflow reversal valve calibrated automatically, including reversing valve body and overflow valve body, overflow valve body includes housing, plug is provided with the runner of housing, first spring and spring base, valve element one end of reversing valve body is provided with the first magnet, the first electromagnet is provided with reversing valve body, there is taper adjustment portion and opening on housing, open side is connected with adjusting set, if dry slide and overflow ducts are radially arranged in adjusting set, adjustable plate is provided with slideway, second spring is provided between adjustable plate and slideway end face, regulation front edge of board is provided with the inclined-plane coordinated with taper adjustment portion, some spacing raised lines are equipped with adjustable plate, elastic ring and iron block are provided with spring base, the second electromagnet is provided with housing, first electromagnet is connected with the second electromagnet.This kind of overflow reversal valve is capable of the oil pressure relief of regulation relief valve, the elastic force of the spring of adjust automatically first when commutating every time, and is easily achieved the Automated condtrol of valve.
Description
Technical field
The invention belongs to valve technology field, specifically a kind of adjustable overflow reversal valve calibrated automatically.
Background technology
Reversal valve is the directional control valve for having two or more liquid forms and two or more hydraulic fluid port.It is to realize hydraulic pressure oil stream
Communication, cut-out and commutation, and discharge degree and sequentially-operating control valve.
Overflow reversal valve is the combination valve that overflow valve is provided with the oil inlet of reversal valve, and the oil pressure at oil inlet exceedes
During specified value, the pressure of hydraulic oil overcomes spring force in overflow valve, and oil spilling road of the partial high pressure oil through overflow valve returns
Fuel tank.When oil pressure is in safe range, plug is pressed on valve position, overflow valve by spring in the presence of itself pretightning force
Close.
The elastic force of spring can be gradually reduced in overflow valve during long-term use, if the spring force mistake of overflow valve
It is small, or spring shortens failure, hydraulic oil can force plug to leave valve bit stream to enter oil spilling road under less than system authorized pressure,
Interior leakage is caused, makes thrashing.Spring must be changed during repairing, then adjusts spring pressure to defined pressure using adjusting screw
Power.Overflow reversal valve service life using this kind of structure is short, and it is troublesome in poeration to change spring.
Existing overflow valve needs to change the oil pressure relief of overflow valve by changing the decrement of compression spring, and uses
This kind of mode adjust after overflow valve spring still can shorten failure after long-term use, now again need re-start tune
Section, service life is short, adjusts trouble.
Existing overflow reversal valve is during commutation simultaneously, in reversal valve handoff procedure, due to being used to for hydraulic oil
Property can cause the pressure moment of overflow valve to raise, so as to there is the hydraulic oil of part to be returned directly to fuel tank from overflow valve so that hydraulic pressure
The energy dissipation of pump.
The content of the invention
The present invention in view of the shortcomings of the prior art, providing a kind of adjustable overflow reversal valve calibrated automatically, change by this kind of overflow
It is capable of the oil pressure relief of regulation relief valve to valve, and setting pressure is stilled remain in after spring shortens failure, so as to
Extend the service life of overflow reversal valve, and can prevent that hydraulic oil leaks oil return from overflow valve in reversal valve handoff procedure
Case, and it is easily achieved the Automated condtrol of valve.
In order to solve the above-mentioned technical problem, the present invention is addressed by following technical proposals：It is a kind of calibrate automatically can
Adjust overflow reversal valve, including reversing valve body and overflow valve body, the import of the reversing valve body and the overflow valve
The inlet communication of body, the overflow valve body include housing, and runner is provided with the housing, plug is provided with the runner
And spring base, the first spring is provided between the spring base and the plug, valve element one end of the reversing valve body is set
The first magnet is equipped with, the first electromagnet coordinated with first magnet is provided with the reversing valve body, on the housing
With taper adjustment portion and the threaded opening of tool, the open side is threaded with adjusting set, in the adjusting set radially
If being provided with dry slide and middle part being provided with the overflow ducts with oil return orifice, the slideway is interior to be provided with adjustable plate, the tune
The second spring for strutting some adjustable plates is provided between section plate and the slideway end face, the regulation front edge of board is provided with
The inclined-plane coordinated with the taper adjustment portion, every piece of adjustable plate are provided with some spacing raised lines, institute close to the flow passage side
State and elastic ring is provided with spring base, iron block is provided with the spring base, be provided with the housing and coordinate with the iron block
The second electromagnet, first electromagnet connects with second electromagnet, the spring base and adjacent two limit convexes
The elastic force difference of first spring described in when bar leans is less than the upper limit of first spring to the elastic force prescribed limit of the plug
With the difference of lower limit.This kind of overflow reversal valve can be slided by adjusting the position adjustable plate of adjusting set in slideway, from
And regulation elasticity ring stretches into the distance of spacing raised line, elastic force needed for spacing raised line is slipped over so as to adjust spring base, until regulation
The elastic force that the spacing raised line is slipped over to the spring base is equal to first spring to the elastic force prescribed limit of the plug
The upper limit completes regulation；When needing commutation, by controlling the sense of current of the first electromagnet to control valve element to move, now second is electric
Magnet, which is powered, attracts iron block to cause direction movement of the spring base towards the first spring of compression, and elastic ring bending slips over spacing raised line,
First spring is compressed so that the oil pressure relief increase of overflow valve during commutation, prevents in reversal valve handoff procedure hydraulic oil from overflowing
Valve leakage oil return box is flowed, the first electromagnet and the second electromagnet power off after commutation is completed, and spring base is by the first spring
Elastic force is pushed back on one of them spacing raised line automatically, described in when being leaned due to the spring base with the adjacent two spacing raised lines
The elastic force difference of first spring is less than the upper limit of elastic force prescribed limit and the difference of lower limit of first spring to plug, because
This, now the first spring to the elastic force of plug all the time in prescribed limit.Therefore compression is passed through after the first spring shortens failure
Also the first spring can be caused in prescribed limit, so that the service life of overflow valve is elongated, and to control the pressure of plug
System is convenient, the elastic force of the spring of adjust automatically first in each commutation, it is not necessary to tear valve open, and be easily achieved the automation control of valve
System.
In above-mentioned technical proposal, it is preferred that the electromagnet includes around the conductive coil for being located at the housing and is located at
The housing between the conductive coil.Cause that the structure of overflow valve is compacter using the structure.
In above-mentioned technical proposal, it is preferred that be provided with sealing ring between the opening and the adjusting set.Using the structure
Sealing between increase opening and the adjusting set, prevents hydraulic fluid leak.
The present invention compared with prior art, has the advantages that：This kind of overflow reversal valve can be by adjusting
The position of set causes adjustable plate to be slided in slideway, so as to which regulation elasticity ring stretches into the distance of spacing raised line, so as to adjust spring
Seat slips over elastic force needed for spacing raised line, until the elastic force that regulation to the spring base slips over the spacing raised line is equal to described the
One spring completes regulation to the upper limit of the elastic force prescribed limit of the plug；When needing commutation, by controlling the first electromagnet
Sense of current control valve element movement, now the second electromagnet, which is powered, attracts iron block to cause spring base towards first spring of compression
Direction is moved, and elastic ring bending slips over spacing raised line, and the first spring is compressed so that the oil pressure relief of overflow valve increases during commutation
Greatly, hydraulic oil is prevented in reversal valve handoff procedure to leak oil return box from overflow valve, the first electromagnet and the after commutation is completed
Two electromagnet are powered off, and spring base is pushed back on one of them spacing raised line automatically by the elastic force of the first spring, due to the bullet
The elastic force difference of first spring described in when spring abutment leans with the adjacent two spacing raised lines is less than first spring to plug
The upper limit of elastic force prescribed limit and the difference of lower limit, therefore, now the first spring to the elastic force of plug all the time in prescribed limit.
Therefore the first spring shorten failure after by compress also can the first spring to the pressure of plug in prescribed limit, so as to
So that the service life of overflow valve is elongated, and it is easy to control, in each commutation, the elastic force of the spring of adjust automatically first, is not required to
Tear valve open, and be easily achieved the Automated condtrol of valve.
Brief description of the drawings
Fig. 1 is the cross section structure diagram of the embodiment of the present invention.
Fig. 2 is the structural representation of adjusting set in the present invention.
Embodiment
The present invention is described in further detail with reference to the accompanying drawings and detailed description：It is a kind of referring to Fig. 1 to Fig. 2
Automatically the adjustable overflow reversal valve calibrated, including reversing valve body 100 and overflow valve body 200, the reversing valve body
The inlet communication of 100 import and the overflow valve body 200, the overflow valve body 200 include housing 1, in the housing 1
Runner 2 is provided with, plug 3 and spring base 4 is provided with the runner 2, is provided between the spring base 4 and the plug 3
First spring 5, one end of valve element 101 of the reversing valve body 100 are provided with the first magnet 102, on the reversing valve body 100
The first electromagnet 103 coordinated with first magnet 102 is provided with, there is taper adjustment portion 11 and tool on the housing 1
Threaded opening 12,12 sides of the opening are threaded with adjusting set 6, if being radially arranged dry slide in the adjusting set 6
61 and middle part be provided with the overflow ducts 66 that connects with oil return interface 9, the slideway 61 is interior to be provided with adjustable plate 62, the adjustable plate 62
The second spring 63 for strutting some adjustable plates 62 is provided between the end face of slideway 61, the front end of adjustable plate 62 is set
The inclined-plane 64 coordinated with the taper adjustment portion 11 is equipped with, every piece of adjustable plate 62 is provided with some close to the side of runner 2
Spacing raised line 65, elastic ring 41 is provided with the spring base 4, is provided with iron block 42 on the spring base 4, on the housing 1
The second electromagnet 7 coordinated with the iron block 42 is provided with, first electromagnet 103 is connected with second electromagnet 7, institute
The elastic force difference for stating the first spring 5 described in when spring base 4 leans with the adjacent two spacing raised lines 65 is less than first spring 5
To the upper limit of elastic force prescribed limit and the difference of lower limit of the plug 3.This kind of overflow reversal valve can be by adjusting adjusting set
Position adjustable plate is slided in slideway, so as to which regulation elasticity ring stretches into the distance of spacing raised line, so as to adjust spring base
The elastic force needed for spacing raised line is slipped over, until the elastic force that regulation to the spring base slips over the spacing raised line is equal to described first
Spring completes regulation to the upper limit of the elastic force prescribed limit of the plug；When needing commutation, by controlling the first electromagnet
Sense of current control valve element movement, now the second electromagnet energization attract the side that iron block causes spring base towards the first spring of compression
To movement, elastic ring bending slips over spacing raised line, and the first spring is compressed so that the oil pressure relief increase of overflow valve during commutation,
Prevent that hydraulic oil leaks oil return box from overflow valve in reversal valve handoff procedure, the first electromagnet and the second electricity after commutation is completed
Magnet is powered off, and spring base is pushed back on one of them spacing raised line automatically by the elastic force of the first spring, due to the spring base
The elastic force difference of first spring described in when being leaned with the adjacent two spacing raised lines is less than elastic force of first spring to plug
The upper limit of prescribed limit and the difference of lower limit, therefore, now the first spring to the elastic force of plug all the time in prescribed limit.Therefore
The first spring shorten failure after by compress also can the first spring to the pressure of plug in prescribed limit so that
The service life of overflow valve is elongated, and easy to control, the elastic force of the spring of adjust automatically first in each commutation, it is not necessary to tear open
Valve, and it is easily achieved the Automated condtrol of valve.The first described spring refers to the elastic force prescribed limit of plug：Normal work
The first spring is to plug elastic force set in advance when making.
The electromagnet 7 is included around the conductive coil 71 for being located at the housing 1 and between the conductive coil 71
The housing 1.Cause that the structure of overflow valve is compacter using the structure.
Sealing ring 8 is provided between the opening 12 and the adjusting set 6.Using structure increase opening and the regulation
Sealing between set, prevents hydraulic fluid leak.
Claims (3)
1. a kind of adjustable overflow reversal valve calibrated automatically, including reversing valve body（100）And overflow valve body（200）,
The reversing valve body（100）Import and the overflow valve body（200）Inlet communication, the overflow valve body（200）
Including housing（1）, the housing（1）Inside it is provided with runner（2）, the runner（2）It is interior to be provided with plug（3）And spring base（4）,
The spring base（4）With the plug（3）Between be provided with the first spring（5）, it is characterised in that：The reversing valve body
（100）Valve element（101）One end is provided with the first magnet（102）, the reversing valve body（100）On be provided with and described first
Magnet（102）The first electromagnet coordinated（103）, the housing（1）It is upper that there is taper adjustment portion（11）And tool is threaded
Opening（12）, the opening（12）Side is threaded with adjusting set（6）, the adjusting set（6）If dry slide has been radially arranged on
（61）And middle part is provided with and oil return interface（9）The overflow ducts of connection（66）, the slideway（61）It is interior to be provided with adjustable plate（62）, institute
State adjustable plate（62）With the slideway（61）It is provided between end face by some adjustable plates（62）The second spring strutted（63）,
The adjustable plate（62）Front end is provided with and the taper adjustment portion（11）The inclined-plane of cooperation（64）, every piece of adjustable plate（62）
Close to the runner（2）Side is provided with some spacing raised lines（65）, the spring base（4）On be provided with elastic ring（41）, it is described
Spring base（4）On be provided with iron block（42）, the housing（1）On be provided with and the iron block（42）The second electromagnet coordinated
（7）, first electromagnet（103）With second electromagnet（7）Series connection, the spring base（4）It is described spacing with adjacent two
Raised line（65）First spring described in when leaning（5）Elastic force difference be less than first spring（5）To the plug（3）Elastic force
The upper limit of prescribed limit and the difference of lower limit.
A kind of 2. adjustable overflow reversal valve calibrated automatically as claimed in claim 1, it is characterised in that：Second electromagnetism
Iron（7）Including around being located at the housing（1）Conductive coil（71）And positioned at the conductive coil（71）Between the shell
Body（1）.
A kind of 3. adjustable overflow reversal valve calibrated automatically as claimed in claim 1, it is characterised in that：The opening（12）
With the adjusting set（6）Between be provided with sealing ring（8）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711186013.2A CN107620820B (en) | 2017-11-23 | 2017-11-23 | A kind of adjustable overflow reversal valve calibrated automatically |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711186013.2A CN107620820B (en) | 2017-11-23 | 2017-11-23 | A kind of adjustable overflow reversal valve calibrated automatically |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107620820A true CN107620820A (en) | 2018-01-23 |
| CN107620820B CN107620820B (en) | 2019-01-08 |
Family
ID=61098735
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711186013.2A Expired - Fee Related CN107620820B (en) | 2017-11-23 | 2017-11-23 | A kind of adjustable overflow reversal valve calibrated automatically |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107620820B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113404891A (en) * | 2021-06-24 | 2021-09-17 | 嘉兴米克气动设备有限公司 | Solenoid valve convenient to change elastic component |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS51121824U (en) * | 1975-03-28 | 1976-10-02 | ||
| CN85109329A (en) * | 1985-12-26 | 1987-08-12 | 庄凤龄 | Pilot operated compound relief valve |
| US20010027811A1 (en) * | 2000-03-03 | 2001-10-11 | Kouji Hirano | Relief valve assembly |
| CN200999897Y (en) * | 2006-12-20 | 2008-01-02 | 上海立新液压有限公司 | Drift diameter over-flow valve |
| CN202834247U (en) * | 2012-09-05 | 2013-03-27 | 北京工业大学 | Pure water hydraulic electromagnetism unloading overflow valve |
| CN204459326U (en) * | 2014-12-30 | 2015-07-08 | 张培胜 | A kind of direct-power safety valve |
| CN105351582A (en) * | 2015-11-19 | 2016-02-24 | 中国海洋大学 | Movable valve seat type spring loaded type relief valve |
-
2017
- 2017-11-23 CN CN201711186013.2A patent/CN107620820B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS51121824U (en) * | 1975-03-28 | 1976-10-02 | ||
| CN85109329A (en) * | 1985-12-26 | 1987-08-12 | 庄凤龄 | Pilot operated compound relief valve |
| US20010027811A1 (en) * | 2000-03-03 | 2001-10-11 | Kouji Hirano | Relief valve assembly |
| CN200999897Y (en) * | 2006-12-20 | 2008-01-02 | 上海立新液压有限公司 | Drift diameter over-flow valve |
| CN202834247U (en) * | 2012-09-05 | 2013-03-27 | 北京工业大学 | Pure water hydraulic electromagnetism unloading overflow valve |
| CN204459326U (en) * | 2014-12-30 | 2015-07-08 | 张培胜 | A kind of direct-power safety valve |
| CN105351582A (en) * | 2015-11-19 | 2016-02-24 | 中国海洋大学 | Movable valve seat type spring loaded type relief valve |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113404891A (en) * | 2021-06-24 | 2021-09-17 | 嘉兴米克气动设备有限公司 | Solenoid valve convenient to change elastic component |
| CN113404891B (en) * | 2021-06-24 | 2023-07-14 | 嘉兴米克气动设备有限公司 | Solenoid valve convenient to change elastic component |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107620820B (en) | 2019-01-08 |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20181120 Address after: 755100 Ningxia Hui Autonomous Region Zhongwei City Zhongning County Zhengdalu Fukang Garden 10 # Commercial and Residential Building 1 Floor 09 Applicant after: Zhongning County Xin Qi hang Agriculture Development Co. Ltd. Address before: 312369 No. 17, Xijiang Road, East Village, Beizhen Town, Shangyu District, Shaoxing, Zhejiang Applicant before: Wang Yalian |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190108 Termination date: 20191123 |