CN108825828A - A kind of electric control one-way valve - Google Patents
A kind of electric control one-way valve Download PDFInfo
- Publication number
- CN108825828A CN108825828A CN201810895918.5A CN201810895918A CN108825828A CN 108825828 A CN108825828 A CN 108825828A CN 201810895918 A CN201810895918 A CN 201810895918A CN 108825828 A CN108825828 A CN 108825828A
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- China
- Prior art keywords
- valve
- oil
- electric control
- way valve
- valve body
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- 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.)
- Pending
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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
- F16K15/06—Check valves with guided rigid valve members with guided stems
- F16K15/063—Check valves with guided rigid valve members with guided stems the valve being loaded by a 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
- F16K15/00—Check valves
- F16K15/18—Check valves with actuating mechanism; Combined check valves and actuated valves
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Magnetically Actuated Valves (AREA)
Abstract
The present invention relates to a kind of electric control one-way valves, are related to Fluid Transmission and Control technical field.The present invention can get rid of dependence when hydraulic control one-way valve is inversely opened to control liquid stream and its pressure condition, expand the function and application scope of check valve using the automatically controlled opposite direction flowing for realizing liquid stream in check valve instead of hydraulic control；And structure is simple, maintenance easy to install, can effectively reduce the quantity of pipeline and valve block in system, quality and volume, reduces hydraulic system construction, operation and maintenance cost.
Description
Technical field
The present invention relates to Fluid Transmission and Control technical fields, and in particular to a kind of electric control one-way valve.
Background technique
Check valve is also known as check-valves or non-return valve, and being a kind of allows liquid stream to flow in one direction, and opposite direction flowing
When the direction valve that can be ended of liquid stream.In technical field of hydraulic pressure, check valve is divided into common check valve and hydraulic control one-way valve again, commonly
Check valve all cannot achieve the reverse flow of liquid stream in any condition, and hydraulic control one-way valve can be achieved on reverse flow,
Precondition is that must have the liquid stream served as control role and reach certain pressure requirement, and usual flow stream pressure at least should be main
The 30%~50% of oil circuit pressure.
Although hydraulic control one-way valve enriches the function of current check valve, so that liquid stream also can be realized reverse flow, it is preceding
The condition of mentioning is must to increase hydraulic control part to control liquid stream, and the pressure value of liquid stream must satisfy requirement, that is to say, that is had to
By additional line, or in valve block, the pressure oil in working connection is guided to the control port of check valve by additional oil duct, or not
Increase an individual oil sources directly using working connection pressure oil come the control port fuel feeding for individual event valve.But no matter which uses
Kind of method all unavoidably increases the quality and volume of pipeline quantity, valve block duct quantity and valve block in use process.And some
Import back pressure is very high or the very high hydraulic system of outlet back pressure in, the control liquid stream that is provided by system itself to hydraulic control one-way valve
Pressure may be unable to satisfy working condition requirement, cause hydraulic control one-way valve not open inversely, additionally can only individually increase a set of liquid
Pressure power source solves, and the construction for the system that greatly increases, operation and maintenance cost limit hydraulic control list by this to a certain extent
To the application range of valve.Therefore, it develops a kind of without controlling the novel of the i.e. controllable realization working connection oil liquid reverse flow of liquid stream
Check valve fetters for reducing or getting rid of check valve hydraulic control condition in hydraulic system, reduces hydraulic system operation and maintenance cost,
The function and application scope for expanding check valve is all of great significance.
Summary of the invention
(1) technical problems to be solved
The technical problem to be solved by the present invention is to：How to design a kind of without controlling the i.e. controllable realization working connection oil of liquid stream
The Novel check valve of liquid reverse flow gets rid of dependence when hydraulic control one-way valve is inversely opened to control liquid stream and its pressure condition.
(2) technical solution
In order to solve the above-mentioned technical problems, the present invention provides a kind of electric control one-way valve, including cover board 1, the first sealing ring,
Valve body 3, screw 5, driving mechanism, compressed spring 7, main valve plug 8, off-load spool 9, guide rod 10, the second sealing ring, pushes away valve seat 4
Bar 12 and armature 13；
Wherein, cover board 1 is mounted on an end face of valve body 3 and is sealed by the first sealing ring, have on valve body 3 oil suction chamber b,
Oil outlet chamber e, oil inlet a and oil outlet f, wherein oil suction chamber b is connected to oil inlet a, and oil outlet chamber e is connected to oil outlet f, oil suction chamber
Pass through the axial oil-through-hole g of the even cloth of several circumference and a pilot hole h connection between b and oil outlet chamber e；The inside of oil outlet chamber e fills
There are valve seat 4 and main valve plug 8, wherein valve seat 4 is fixed on valve body 3, and the top of main valve plug 8 is radially provided with several radial oil-through-holes
C, and through-hole d is also provided with along central axes, the inside installation compressed spring 7 and off-load spool 9 of main valve plug 8；The one of compressed spring 7
Side pressure is on the end face of cover board 1, and the other end is pressed in one end of off-load spool 9, and the other end of off-load spool 9 is then equipped with guiding
Bar 10, guide rod 10 protrude into the through-hole d of main valve plug 8；One end of push rod 12 is protruded into from the end face of valve body 3 and sequentially passes through valve body
3 oil suction chamber b and pilot hole h, and between valve body 3 by the second sealing ring 11 carry out radial seal, push rod 12 it is another
End is connected through a screw thread fastening with the armature 13 inside driving mechanism, and driving mechanism is fastened on the other end of valve body 3 by screw 5
On face, the driving mechanism is moved in a straight line for driving push rod 12；
The valve seat 4, compressed spring 7, main valve plug 8, off-load spool 9, guide rod 10, push rod 12 and armature 13 are same
On central axes；For the pilot hole h and valve seat 4 of valve body 3 on same central axes, oil suction chamber b passes through axial direction oil-through-hole g and valve seat 4
Inner cavity connection；
It is conical structure at the top of main valve plug 8 in the electric control one-way valve, valve seat 4 is columnar structured, 8 top of main valve plug
Linear sealing is formed with valve seat 4；The inner face that off-load spool 9 installs 8 top of one end and main valve plug of guide rod 10 forms linear sealing.
Preferably, first sealing ring is O-ring seals.
Preferably, second sealing ring is O-ring seals.
Preferably, the driving mechanism is voice coil motor 6.
Preferably, the driving mechanism is electromagnet.
Preferably, the driving mechanism is linear motor.
Preferably, it is conical structure that the off-load spool 9, which installs one end of guide rod 10,.
Preferably, it is spherical structure that the off-load spool 9, which installs one end of guide rod 10,.
Preferably, the cover board 1 is mounted on valve body 3 by screw.
(3) beneficial effect
It is inverse to get rid of hydraulic control one-way valve using the automatically controlled opposite direction flowing for realizing liquid stream in check valve instead of hydraulic control by the present invention
To dependence when opening to control liquid stream and its pressure condition, the function and application scope of check valve is expanded；And it is of the invention
Electric control one-way valve structure is simple, maintenance easy to install, can effectively reduce the quantity of pipeline and valve block in system, quality and volume, drops
Low hydraulic system construction, operation and maintenance cost.
Detailed description of the invention
Fig. 1 is the cross-sectional view of electric control one-way valve of the invention.
Wherein, 1- cover board, the first O-ring of 2-, 3- valve body, 4- valve seat, 5- screw, 6- voice coil motor, 7- compressed spring, 8-
Main valve plug, 9- off-load spool, 10- guide rod, the second O-ring of 11-, 12- push rod, 13- armature；A- oil inlet, b- oil suction chamber, c-
Radial oil-through-hole, d- through-hole, e- oil outlet chamber, f- oil outlet, g- axial direction oil-through-hole, h- pilot hole.
Specific embodiment
To keep the purpose of the present invention, content and advantage clearer, with reference to the accompanying drawings and examples, to of the invention
Specific embodiment is described in further detail.
As shown in Figure 1, a kind of electric control one-way valve provided by the invention, including cover board 1, the first O-ring 2, valve body 3, valve seat
4, screw 5, voice coil motor 6, compressed spring 7, main valve plug 8, off-load spool 9, guide rod 10, the second O-ring 11, push rod 12 and rank
Iron 13,
Wherein, cover board 1 is mounted on an end face of valve body 3 and is sealed by the first O-ring 2, have on valve body 3 oil suction chamber b,
Oil outlet chamber e, oil inlet a and oil outlet f, wherein oil suction chamber b is connected to oil inlet a, and oil outlet chamber e is connected to oil outlet f, oil suction chamber
Pass through the axial oil-through-hole g of the even cloth of several circumference and a pilot hole h connection between b and oil outlet chamber e；The inside of oil outlet chamber e fills
There are valve seat 4 and main valve plug 8, wherein valve seat 4 is fixed on valve body 3, and the top of main valve plug 8 is radially provided with several radial oil-through-holes
C, and through-hole d is also provided with along central axes, the inside installation compressed spring 7 and off-load spool 9 of main valve plug 8；The one of compressed spring 7
Side pressure is on the end face of cover board 1, and the other end is pressed in one end of off-load spool 9, and the other end of off-load spool 9 is then equipped with guiding
Bar 10, guide rod 10 protrude into the through-hole d of main valve plug 8；One end of push rod 12 is protruded into from the end face of valve body 3 and sequentially passes through valve body
3 oil suction chamber b and pilot hole h, and pass through 11 radial seal of the second O-ring, the other end and sound of push rod 12 between valve body 3
Armature 13 inside circle motor 6 is connected through a screw thread fastening, and voice coil motor 6 is fastened on the other end of valve body 3 by screw 5
On.
In the electric control one-way valve, valve seat 4, compressed spring 7, main valve plug 8, off-load spool 9, guide rod 10, push rod 12 and rank
Iron 13 is on same central axes；For the pilot hole h and valve seat 4 of valve body 3 on same central axes, oil suction chamber b passes through axial logical oil
Hole g is connected to the inner cavity of valve seat 4.
It is conical structure at the top of main valve plug 8 in the electric control one-way valve, valve seat 4 is columnar structured, 8 top of main valve plug
Linear sealing is formed with valve seat 4；One end that off-load spool 9 installs guide rod 10 is conical or spherical structure, the end and main valve plug 8
The inner face at top forms linear sealing.
In the electric control one-way valve, cover board 1 is mounted on valve body 3 by screw or other fastening means；Driving push rod 12 is done
The component of linear motion is not limited to voice coil motor 6, can also be electromagnet or other types of linear motor.
The course of work of the electric control one-way valve is：
When liquid stream is flowed into from oil inlet a, liquid stream enters the inner cavity of valve seat 4 followed by oil suction chamber b, axial direction oil-through-hole g,
No matter whether voice coil motor 6 works, and liquid stream will all overcome the active force of compressed spring 7 and open main valve plug 8, and liquid stream passes through master
Spool 8 and oil outlet chamber e are flowed out from oil outlet f, realize forward flow.
When liquid stream, which reversely flows into, to be flowed into from oil outlet f, if voice coil motor 6 does not work, main valve plug 8 in flow stream pressure and
It is closed under the active force of compressed spring 7, liquid stream reverse flow is ended；If voice coil motor 6 works, voice coil motor 6 holds in the mouth driving
Iron 13 and push rod 12 are overhanging, and push rod 12 contacts and guide rod 10 is pushed to bounce back, to first open off-load spool 9, liquid stream is passed through
Oil outlet chamber e, radial direction oil-through-hole c enter oil suction chamber b to make liquid stream pressure release, push rod 12 continue it is overhanging main valve plug 8 is opened again, liquid
Stream enters oil outlet chamber e and oil outlet f from oil inlet a, oil suction chamber b, axial direction oil-through-hole g, to realize the reverse flow of liquid stream.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, without departing from the technical principles of the invention, several improvement and deformations can also be made, these improvement and deformations
Also it should be regarded as protection scope of the present invention.
Claims (9)
1. a kind of electric control one-way valve, which is characterized in that including cover board (1), the first sealing ring, valve body (3), valve seat (4), screw
(5), driving mechanism, compressed spring (7), main valve plug (8), off-load spool (9), guide rod (10), the second sealing ring, push rod (12)
With armature (13)；
Wherein, cover board (1) is mounted on an end face of valve body (3) and is sealed by the first sealing ring, and valve body has oil suction chamber on (3)
(b), oil outlet chamber (e), oil inlet (a) and oil outlet (f), wherein oil suction chamber (b) is connected to oil inlet (a), oil outlet chamber (e) with go out
Hydraulic fluid port (f) connection passes through the axial oil-through-hole (g) of the even cloth of several circumference and a guiding between oil suction chamber (b) and oil outlet chamber (e)
Hole (h) connection；The inside of oil outlet chamber (e) is equipped with valve seat (4) and main valve plug (8), and wherein valve seat (4) is fixed on valve body (3), main
The top of spool (8) is radially provided with several radial oil-through-holes (c), and is also provided with through-hole (d), main valve plug (8) along central axes
Inside installation compressed spring (7) and off-load spool (9)；One end of compressed spring (7) is pressed on the end face of cover board (1), another
Side pressure is in one end of off-load spool (9), and the other end of off-load spool (9) is then equipped with guide rod (10), and guide rod (10) is stretched
In the through-hole (d) for entering main valve plug (8)；One end of push rod (12) protruded into from the end face of valve body (3) and sequentially pass through valve body (3) into
Oil pocket (b) and pilot hole (h), and radial seal is carried out by the second sealing ring (11) between valve body (3), push rod (12)
Armature (13) inside the other end and driving mechanism is connected through a screw thread fastening, and driving mechanism is fastened on valve body by screw (5)
(3) on other end, the driving mechanism is moved in a straight line for driving push rod (12)；
The valve seat (4), compressed spring (7), main valve plug (8), off-load spool (9), guide rod (10), push rod (12) and armature
(13) on same central axes；On same central axes, oil suction chamber (b) passes through for the pilot hole (h) of valve body (3) and valve seat (4)
Axial oil-through-hole (g) is connected to the inner cavity of valve seat (4)；
It is conical structure at the top of main valve plug (8) in the electric control one-way valve, valve seat (4) is columnar structured, main valve plug (8) top
Portion and valve seat (4) form linear sealing；One end and the inner face at the top of main valve plug (8) that off-load spool (9) installs guide rod (10)
Form linear sealing.
2. electric control one-way valve as described in claim 1, which is characterized in that first sealing ring is O-ring seals.
3. electric control one-way valve as described in claim 1, which is characterized in that second sealing ring is O-ring seals.
4. electric control one-way valve as described in claim 1, which is characterized in that the driving mechanism is voice coil motor (6).
5. electric control one-way valve as described in claim 1, which is characterized in that the driving mechanism is electromagnet.
6. electric control one-way valve as described in claim 1, which is characterized in that the driving mechanism is linear motor.
7. electric control one-way valve as described in claim 1, which is characterized in that off-load spool (9) installation guide rod (10)
One end is conical structure.
8. electric control one-way valve as described in claim 1, which is characterized in that off-load spool (9) installation guide rod (10)
One end is spherical structure.
9. such as electric control one-way valve described in any item of the claim 1 to 8, which is characterized in that the cover board (1) is pacified by screw
On valve body (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810895918.5A CN108825828A (en) | 2018-08-08 | 2018-08-08 | A kind of electric control one-way valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810895918.5A CN108825828A (en) | 2018-08-08 | 2018-08-08 | A kind of electric control one-way valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108825828A true CN108825828A (en) | 2018-11-16 |
Family
ID=64153778
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810895918.5A Pending CN108825828A (en) | 2018-08-08 | 2018-08-08 | A kind of electric control one-way valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108825828A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109973456A (en) * | 2019-04-16 | 2019-07-05 | 武汉科技大学 | A kind of automatically controlled high pressure check valve of combined type |
| CN110715058A (en) * | 2019-10-10 | 2020-01-21 | 北京特种机械研究所 | Load-carrying adjustable electric proportion large-flow one-way throttle valve |
| CN114294283A (en) * | 2021-12-26 | 2022-04-08 | 浙江海宏液压科技股份有限公司 | Working valve plate and multi-way valve |
| CN114294286A (en) * | 2021-12-26 | 2022-04-08 | 浙江海宏液压科技股份有限公司 | Working valve plate and multi-way valve |
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| CN87212352U (en) * | 1987-10-07 | 1988-04-20 | 陈延全 | Electric-control one-way valve |
| CN1648501A (en) * | 2005-01-24 | 2005-08-03 | 浙江大学 | Sea water hydraulic electric control one-way valve |
| CN2761936Y (en) * | 2005-01-24 | 2006-03-01 | 浙江大学 | Electrical controlled one-way valve |
| CN201568617U (en) * | 2009-12-01 | 2010-09-01 | 朱宝京 | High-flow electric control check valve |
| CN202501051U (en) * | 2011-12-23 | 2012-10-24 | 上海立新液压有限公司 | Electromagnetic control non-return valve |
| CN104061346A (en) * | 2014-06-13 | 2014-09-24 | 苏州华徕光电仪器有限公司 | Duplex type hydraulic control one-way valve |
| KR20170126673A (en) * | 2016-05-10 | 2017-11-20 | 이종천 | Valve being used as both check valve and electronic expansion valve, cooling and heating system, and heat pump system |
| CN207454432U (en) * | 2017-11-15 | 2018-06-05 | 西南科技大学 | A kind of Direct Action Type cone valve type seawater overflow valve |
-
2018
- 2018-08-08 CN CN201810895918.5A patent/CN108825828A/en active Pending
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| CN87212352U (en) * | 1987-10-07 | 1988-04-20 | 陈延全 | Electric-control one-way valve |
| CN1648501A (en) * | 2005-01-24 | 2005-08-03 | 浙江大学 | Sea water hydraulic electric control one-way valve |
| CN2761936Y (en) * | 2005-01-24 | 2006-03-01 | 浙江大学 | Electrical controlled one-way valve |
| CN201568617U (en) * | 2009-12-01 | 2010-09-01 | 朱宝京 | High-flow electric control check valve |
| CN202501051U (en) * | 2011-12-23 | 2012-10-24 | 上海立新液压有限公司 | Electromagnetic control non-return valve |
| CN104061346A (en) * | 2014-06-13 | 2014-09-24 | 苏州华徕光电仪器有限公司 | Duplex type hydraulic control one-way valve |
| KR20170126673A (en) * | 2016-05-10 | 2017-11-20 | 이종천 | Valve being used as both check valve and electronic expansion valve, cooling and heating system, and heat pump system |
| CN207454432U (en) * | 2017-11-15 | 2018-06-05 | 西南科技大学 | A kind of Direct Action Type cone valve type seawater overflow valve |
Non-Patent Citations (1)
| Title |
|---|
| 陈艳: "《液压与气压传动》", 28 February 2017 * |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109973456A (en) * | 2019-04-16 | 2019-07-05 | 武汉科技大学 | A kind of automatically controlled high pressure check valve of combined type |
| CN110715058A (en) * | 2019-10-10 | 2020-01-21 | 北京特种机械研究所 | Load-carrying adjustable electric proportion large-flow one-way throttle valve |
| CN114294283A (en) * | 2021-12-26 | 2022-04-08 | 浙江海宏液压科技股份有限公司 | Working valve plate and multi-way valve |
| CN114294286A (en) * | 2021-12-26 | 2022-04-08 | 浙江海宏液压科技股份有限公司 | Working valve plate and multi-way valve |
| CN114294286B (en) * | 2021-12-26 | 2024-04-09 | 浙江海宏液压科技股份有限公司 | Working valve plate and multi-way valve |
| CN114294283B (en) * | 2021-12-26 | 2024-04-09 | 浙江海宏液压科技股份有限公司 | Working valve plate and multi-way valve |
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Application publication date: 20181116 |