CN108005984B - A kind of guide type electromagnetic ball valve - Google Patents
A kind of guide type electromagnetic ball valve Download PDFInfo
- Publication number
- CN108005984B CN108005984B CN201711250896.9A CN201711250896A CN108005984B CN 108005984 B CN108005984 B CN 108005984B CN 201711250896 A CN201711250896 A CN 201711250896A CN 108005984 B CN108005984 B CN 108005984B
- Authority
- CN
- China
- Prior art keywords
- valve
- port
- oil
- spool
- guide
- 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.)
- Expired - Fee Related
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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
Abstract
The present invention relates to a kind of guide type electromagnetic ball valves, it is characterised in that: including the valve casing with oil outlet, pressure oil port and oil return opening；Spool, is slidably arranged in the right side of valve casing inner passage, and spool has big axle portion, the conical surface and thin axle portion and is in ladder shaft-like；Steel ball, the left side for being slidably arranged in valve casing inner passage are through-flow intracavitary；The thin axle portion of steel ball and spool mutually contradicts, and the first diameter of the big axle portion of the first of spool is greater than the second diameter of the second valve port；Pilot control valve is mounted on valve casing, and the pilot pressure hydraulic fluid port of pilot control valve is connected to through-flow chamber, and guide's oil outlet is connected to the first control chamber, and guide's oil return opening is connected to the return port.A kind of this guide type electromagnetic ball valve can in the case where flow is greater than 40L/Min operating condition reliably working.
Description
Technical field
The present invention relates to a kind of Solenoid ball valve, a kind of especially guide type electromagnetic ball valve.
Background technique
Control valve class is one of main prototype part of hydraulic system, and wherein Solenoid ball valve is one kind of control valve class.Electromagnetic ball
Valve is exactly that spool is spherical solenoid electric valve, it is in addition to having all features of solenoid valve, and there are also its exclusive some characteristics.Its
Using the ball-type solenoid directional control valve that the thrust of electromagnet pushes steel ball to realize oil circuit on-off as driving force, it is suitable for various mineral
Oil is the hydraulic system of working media, to realize the hydraulic control of No leakage.It, can also when meeting flow-drooping characteristic requirement
Direction controlling as other executing agencies.Authorization Notice No. is " CN202048222U ", entitled " direct-push type electromagnetic ball valve "
Utility model patent, disclose a kind of Solenoid ball valve of two-position three way, when electromagnet no power, spring is directly by steel ball pressure
On T mouthfuls of end valve seats, P mouthfuls and A mouthfuls conductings, cut-off and No leakage between A mouthfuls and T mouthfuls；When the solenoid is energized, electromagnet overcomes
Spring force shifts steel ball on P mouthfuls of end valve seats onto, and A mouthfuls and T mouthful communicate, the hole the P and hole A is ended and No leakage.Although foregoing invention energy
Realize the No leakage control of two operating positions, but because the driving force of electromagnet is limited, liquid when flow is bigger on steel ball
Power is also bigger, in application operating condition of the flow greater than 40L/min, foregoing invention include other Solenoid ball valves in the market not
Work can reliably be completed.
How to design a the Solenoid ball valve of reliably working can be art technology in the case where flow is greater than 40L/Min operating condition
Personnel need the technical problem solved
Summary of the invention
The technical problem to be solved by the present invention is to provided for above-mentioned state of the art it is a kind of it is simple and reasonable,
It can be in a kind of guide type electromagnetic ball valve of the flow greater than reliably working under 40L/Min operating condition.
The technical scheme of the invention to solve the technical problem is: a kind of guide type electromagnetic ball valve, feature exist
In: including the valve casing with inner passage, the oil outlet communicated with inner passage, pressure oil port and oil return opening are provided on valve casing,
Oil outlet is between pressure oil port and oil return opening；Spool, is slidably arranged in the right side of valve casing inner passage, and spool has big axis
Portion, the conical surface and thin axle portion and be in ladder shaft-like, the big axle portion periphery of spool is equipped with the big hole portion internal perisporium of the first ladder hole
Sealing ring sealing, to form the first control chamber on the right side of spool, moving to left for spool can make on the conical surface and valve casing inner passage
First valve port is blocked to block oil outlet to be connected to oil return opening, and spool moves to right, and can be made oil outlet by the first valve port and be returned
Hydraulic fluid port connection；Steel ball, the left side for being slidably arranged in valve casing inner passage is through-flow intracavitary, and moving to right for steel ball can be with valve casing inner passage
On the second valve port block to block oil outlet be connected to pressure oil port, steel ball moves to left, can make pressure oil port pass through second
Valve port is connected to oil outlet, is equipped with the spring for making its holding move to right trend on the left of steel ball, and the thin axle portion of steel ball and spool is mutually supported
Touching, the first diameter of the big axle portion of the first of spool are greater than the second diameter of the second valve port, and through-flow chamber is communicated with pressure oil port；
Pilot control valve is mounted on valve casing, and the pilot pressure hydraulic fluid port of pilot control valve passes through second in valve casing
Runner is connected to pressure oil port always, and guide's oil outlet of pilot control valve is by the third flow channel that is set in valve casing always with the
Guide's oil return opening of the connection of one control chamber, pilot control valve is connected to the return port always by the 4th runner being set in valve casing.
When pilot control valve power loss, pilot pressure hydraulic fluid port cut-off, guide's oil outlet is communicated with guide's oil return opening；Pilot control valve obtains electric
When, pilot pressure hydraulic fluid port is communicated with guide's oil outlet, the cut-off of guide's oil return opening.
For the benefit of spool and steel ball are assembled into valve casing, above-mentioned valve casing is made of valve body, left screw plug and right screw plug, valve body
It is interior to be separately fixed at left and right sides of valve body with the stepped passage axially penetrated through, the left screw plug and right screw plug, and will be described
The left and right ends of stepped passage cover the inner passage to form the valve casing, and the oil outlet, pressure oil port and oil return opening are set
It sets on valve body.
Compared with the prior art, the advantages of the present invention are as follows:
1, when pilot control valve must not be electric, the pilot pressure hydraulic fluid port and guide's oil outlet of pilot control valve end, guide
Oil outlet communicates (guide's oil return opening is communicated by the 4th runner on valve casing with oil return opening always) with guide's oil return opening, the first control
Chamber processed after guide's oil outlet, guide's oil return opening and the 4th runner with oil outlet by communicating, although the active area of steel ball in this way
Less than the active area of the first spool, but because the pressure of through-flow chamber is the high pressure of pressure oil port, the pressure of the first control chamber is
Low pressure is essentially 0, and such steel ball moves right under pressure, until steel ball closes the second valve port, the conical surface of spool is beaten
The first valve port is opened, such oil outlet is communicated by the first valve port and oil outlet, pressure oil port and oil outlet cut-off.
2, when pilot control valve obtains electric, the oil liquid of pressure oil port enters the pilot pressure hydraulic fluid port of pilot control valve, because of guide
Pilot pressure hydraulic fluid port and guide's oil outlet communicate when control valve obtains electric, and guide's oil outlet and guide's oil return opening end, oil liquid again by
Enter the first control chamber, such first control chamber and the second control chamber after pilot pressure hydraulic fluid port, guide's oil outlet and third flow channel
Pressure it is all equal with the pressure of pressure oil port, but because the first diameter of the big axle portion of spool is greater than the second straight of the second valve port
Diameter, the area that oil liquid acts on spool, which is greater than, acts on area on steel ball, and hydraulic oil acts on to be pushed to the left on spool
Power, which is greater than, acts on the power pushed to the right on steel ball, and steel ball is opened by the thin axle portion of spool left end at this time, and the first valve port is by spool
The conical surface close, pressure oil port communicates by the second valve port with oil outlet, meanwhile, oil outlet and oil return opening cut-off.
3, the effect of spring is to be in steel ball when oil outlet, pressure oil port and oil return opening all no pressures and close second
The state of valve port, when guaranteeing that pilot control valve must not be electric, this Solenoid ball valve is in operating position.
Switch oil circuit whether obtaining electric by pilot control valve because of this Solenoid ball valve, spool and steel ball are driven by oil circuit
It is mobile, rather than it is mobile to push directly on spool by electromagnetic force, therefore even if can be light flow is greater than under 40L/Min operating condition
Spool and steel ball are pushed, whether realizing the cut-off of oil circuit.
Detailed description of the invention
Fig. 1 is the structure sectional view of the embodiment of the present invention；
Fig. 2 is the schematic illustration of the embodiment of the present invention.
Specific embodiment
The present invention will be described in further detail below with reference to the embodiments of the drawings.
It as shown in Figure 1, 2, is a preferred embodiment of the present invention.
A kind of guide type electromagnetic ball valve, including
Valve casing 1 with inner passage is provided with the oil outlet A communicated with inner passage, pressure oil port P on valve casing 1 and returns
Hydraulic fluid port T, oil outlet A is between pressure oil port P and oil return inlet T；Valve casing 1 is made of valve body 11, left screw plug 12 and right screw plug 13,
There is the stepped passage axially penetrated through, the left screw plug 12 and right screw plug 13 are separately fixed at valve body 11 or so two in valve body 11
Side, and the left and right ends of the stepped passage are covered to the inner passage to form the valve casing 1, the oil outlet A, pressure oil
Mouth P and oil return inlet T are arranged on valve body 11.
Spool 9, is slidably arranged in the right side of 1 inner passage of valve casing, and spool 9 has big axle portion 91, the conical surface 92 and thin axle portion
93 and be in ladder shaft-like, the big hole portion internal perisporium of 91 periphery of big axle portion of spool 9 and the first ladder hole 31 is close equipped with sealing ring 4
Envelope, to form the first control chamber 7a on the right side of spool 9, the moving to left of spool 9 can make the on the conical surface 92 and 1 inner passage of valve casing
One valve port 5a is blocked to block oil outlet A to be connected to oil return inlet T, and spool 9 moves to right, and oil outlet A can be made to pass through the first valve port
5a is connected to oil return inlet T.
Steel ball 6 is slidably arranged in the through-flow chamber 7b in left side of 1 inner passage of valve casing, steel ball 6 move to right can in valve casing 1
The second valve port 5b on portion channel is blocked to block oil outlet A to be connected to pressure oil port P, and steel ball 6 moves to left, and can make pressure
Hydraulic fluid port P is connected to by the second valve port 5b with oil outlet A, and the spring 14 for making its holding move to right trend, steel ball 6 are equipped on the left of steel ball 6
It is mutually contradicted with the thin axle portion 93 of spool, second of first diameter D1 greater than the second valve port 5b) of the big axle portion 91 of the first of spool 9
Diameter D2, through-flow chamber 7b are communicated with pressure oil port P；
Pilot control valve 5 is mounted on the valve casing 1, and the pilot pressure hydraulic fluid port P1 of pilot control valve 5 is by being set to valve casing
Second flow channel 1b in 1 through-flow chamber 7b connection always, guide's oil outlet A1 of pilot control valve 5 by be set in valve casing 1 the
Three runner 1c are connected to the first control chamber 7a always, and guide's oil return inlet T 1 of pilot control valve 5 passes through the 4th in valve casing 1
It is logical that runner 1d connects T with oil return opening always.When 5 power loss of pilot control valve, pilot pressure hydraulic fluid port P1 ends, guide's oil outlet A1 and elder generation
Hydraulic fluid port T1 is led back to communicate；When pilot control valve 5 obtains electric, pilot pressure hydraulic fluid port P1 is communicated with guide's oil outlet A1, guide's oil return opening
T1 cut-off.
The operation principle and process of this guide type electromagnetic ball valve is as follows.
1, when pilot control valve 5 must not be electric, the pilot pressure hydraulic fluid port P1 and guide's oil outlet A1 of pilot control valve 5 are cut
Only, guide's oil outlet A1 communicates that (guide's oil return inlet T 1 passes through the 4th runner 1d and oil return opening on valve casing 1 with guide's oil return inlet T 1
T is communicated always), the first control chamber 7a pass through guide's oil outlet A1, guide's oil return inlet T 1 and the 4th runner 1d after with oil outlet T-phase
It is logical, although the active area of steel ball 6 in this way is less than the active area of spool 9, because the pressure of through-flow chamber 7b is pressure oil port P
High pressure, the pressure of the first control chamber 7a is that low pressure is essentially 0, and such steel ball 6 pushes spool 9 to move right under active force,
Until steel ball 6 closes the second valve port 5b, the conical surface 92 of spool 9 opens the first valve port 5a, such oil outlet A and passes through the first valve port
5a and oil return inlet T communicate, pressure oil port P and oil outlet A cut-off.
2, when pilot control valve 5 obtains electric, the oil liquid of pressure oil port P enters through-flow 7b by first runner 1a, and passes through
Second flow channel 1b enters the pilot pressure hydraulic fluid port P1 of pilot control valve 5, because pilot control valve 5 it is electric when pilot pressure hydraulic fluid port P1 and
Guide's oil outlet A1 is communicated, and guide's oil outlet A1 and guide's oil return inlet T 1 are ended, and oil liquid is exported by pilot pressure hydraulic fluid port P1, first again
After hydraulic fluid port A1 and third flow channel 1c all and pressure into the pressure of the first control chamber 7a, such first control chamber 7a and through-flow chamber 7b
The pressure of hydraulic fluid port P is equal, but because the first diameter D1 of the big axle portion 91 of spool 9 is greater than the second diameter D2 of the second valve port 5b, oil
The area that liquid acts on spool 9 is greater than the area acted on steel ball 6, pushes to the left so that hydraulic oil acts on spool 9
Power be greater than act on the power pushed to the right on steel ball 6, steel ball 6 is opened by the first of 9 left end of spool the thin axle portion 93 at this time, first
Valve port 5a is closed by the conical surface 92 of spool 9, pressure oil port P by being communicated after the second valve port 5b with oil outlet A, meanwhile, oil outlet A
End with oil return inlet T.
3, the effect of spring 14 is so that steel ball 6 is in place when oil outlet A, pressure oil port P and oil return inlet T all no pressures
In the second valve port 5b state of closing, when guaranteeing that pilot control valve 5 must not be electric, this Solenoid ball valve is in operating position.
Although the preferred embodiment of the present invention has been described in detail above, it is to be clearly understood that for this field
Technical staff for, the invention may be variously modified and varied.Done within the spirit and principles of the present invention
What modification, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (2)
1. a kind of guide type electromagnetic ball valve, it is characterised in that: including
Valve casing (1) with inner passage is provided with the oil outlet (A) communicated with inner passage, pressure oil port (P) on valve casing (1)
With oil return opening (T), oil outlet (A) is located between pressure oil port (P) and oil return opening (T)；
Spool (9), is slidably arranged in the right side of valve casing (1) inner passage, spool (9) have big axle portion (91), the conical surface (92) and
Thin axle portion (93) and be in ladder shaft-like, big axle portion (91) periphery of spool (9) and the big hole portion inner circumferential of the first ladder hole (31)
Wall is sealed equipped with sealing ring (4), and to form the first control chamber (7a) on the right side of spool (9), moving to left for spool (9) can make the conical surface
(92) it is blocked with the first valve port (5a) on valve casing (1) inner passage to block oil outlet (A) and oil return opening (T) to be connected to, spool
(9) move to right, can make oil outlet (A) to be connected to by the first valve port (5a) with oil return opening (T)；
Steel ball (6) is slidably arranged in the through-flow chamber in left side (7b) of valve casing (1) inner passage, and steel ball (6) moves to right energy and valve casing
(1) the second valve port (5b) on inner passage is blocked to block oil outlet (A) to be connected to pressure oil port (P), and steel ball (6) move to left
Pressure oil port (P) can be then made to be connected to by the second valve port (5b) with oil outlet (A), being equipped on the left of steel ball (6) makes it keep right
The spring (14) of shifting trend, thin axle portion (93) the mutually conflict of steel ball (6) and the spool (9), the first big axle portion of spool (9)
(91) first diameter (D1) is greater than the second diameter (D2) of the second valve port (5b), and through-flow chamber (7b) communicates with pressure oil port (P)；
Pilot control valve (5) is mounted on the valve casing (1), and the pilot pressure hydraulic fluid port (P1) of pilot control valve (5) is by being set to
Second flow channel (1b) in valve casing (1) is connected to pressure oil port always, and guide's oil outlet (A1) of pilot control valve (5) is by setting
It is connected to always with the first control chamber (7a) in the third flow channel (1c) in valve casing (1), guide's oil return opening of pilot control valve (5)
(T1) it is connected to always with oil return opening (T) by the 4th runner (1d) being set in valve casing (1)；
When pilot control valve (5) power loss, pilot pressure hydraulic fluid port (P1) and guide's oil outlet (A1) cut-off, guide's oil outlet (A1) with
Guide's oil return opening (T1) communicates；
When pilot control valve (5) obtains electric, pilot pressure hydraulic fluid port (P1) is communicated with guide's oil outlet (A1), and guide's oil return opening (T1) is cut
Only.
2. a kind of guide type electromagnetic ball valve according to claim 1, it is characterised in that: the valve casing (1) by valve body (11),
Left screw plug (12) and right screw plug (13) composition, valve body (11) is interior to have the stepped passage axially penetrated through, the left screw plug (12)
It is separately fixed at left and right sides of valve body (11) with right screw plug (13), and the left and right ends of the stepped passage is covered to form institute
The inner passage of valve casing (1) is stated, the oil outlet (A), pressure oil port (P) and oil return opening (T) are arranged on valve body (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711250896.9A CN108005984B (en) | 2017-12-01 | 2017-12-01 | A kind of guide type electromagnetic ball valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711250896.9A CN108005984B (en) | 2017-12-01 | 2017-12-01 | A kind of guide type electromagnetic ball valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108005984A CN108005984A (en) | 2018-05-08 |
| CN108005984B true CN108005984B (en) | 2019-11-15 |
Family
ID=62056174
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711250896.9A Expired - Fee Related CN108005984B (en) | 2017-12-01 | 2017-12-01 | A kind of guide type electromagnetic ball valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108005984B (en) |
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| CN2210273Y (en) * | 1994-09-23 | 1995-10-18 | 孙成文 | Wet type electromagnetic ball valve |
| JP2004286097A (en) * | 2003-03-20 | 2004-10-14 | Denso Corp | Solenoid valve |
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| CN201354871Y (en) * | 2009-03-05 | 2009-12-02 | 山东泰丰液压设备有限公司 | Hydraulic electromagnetic ball valve |
| CN201787168U (en) * | 2010-09-29 | 2011-04-06 | 山东泰丰液压股份有限公司 | Hydraulic electromagnetic ball valve with valve core position monitor |
| CN201982730U (en) * | 2011-03-03 | 2011-09-21 | 中国石油天然气集团公司 | High-pressure high-flow two-position three-way electromagnetic water valve |
| CN103104569A (en) * | 2013-01-22 | 2013-05-15 | 北京工业大学 | Three-position four-way water pressure magnetic exchange valve used in deep sea |
| CN105333205A (en) * | 2015-11-23 | 2016-02-17 | 浙江理工大学 | High-pressure pilot-operated solenoid valve for compressed natural gas automobile |
| CN205479620U (en) * | 2016-01-18 | 2016-08-17 | 浙江春晖智能控制股份有限公司 | Three solenoid valve of air entrainment machine |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1170077C (en) * | 2002-05-24 | 2004-10-06 | 浙江大学 | Control valve of high-pressure pneumatic switch |
| CN202301255U (en) * | 2011-11-01 | 2012-07-04 | 浙江大学 | High-water-base two-position four-way electro-hydraulic reversing valve |
| JP6638209B2 (en) * | 2015-04-13 | 2020-01-29 | 浜名湖電装株式会社 | solenoid valve |
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2017
- 2017-12-01 CN CN201711250896.9A patent/CN108005984B/en not_active Expired - Fee Related
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2210273Y (en) * | 1994-09-23 | 1995-10-18 | 孙成文 | Wet type electromagnetic ball valve |
| JP2004286097A (en) * | 2003-03-20 | 2004-10-14 | Denso Corp | Solenoid valve |
| CN101469725A (en) * | 2007-12-26 | 2009-07-01 | 上海立新液压有限公司 | Piloted unload valve |
| CN201354871Y (en) * | 2009-03-05 | 2009-12-02 | 山东泰丰液压设备有限公司 | Hydraulic electromagnetic ball valve |
| CN201787168U (en) * | 2010-09-29 | 2011-04-06 | 山东泰丰液压股份有限公司 | Hydraulic electromagnetic ball valve with valve core position monitor |
| CN201982730U (en) * | 2011-03-03 | 2011-09-21 | 中国石油天然气集团公司 | High-pressure high-flow two-position three-way electromagnetic water valve |
| CN103104569A (en) * | 2013-01-22 | 2013-05-15 | 北京工业大学 | Three-position four-way water pressure magnetic exchange valve used in deep sea |
| CN105333205A (en) * | 2015-11-23 | 2016-02-17 | 浙江理工大学 | High-pressure pilot-operated solenoid valve for compressed natural gas automobile |
| CN205479620U (en) * | 2016-01-18 | 2016-08-17 | 浙江春晖智能控制股份有限公司 | Three solenoid valve of air entrainment machine |
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| Publication number | Publication date |
|---|---|
| CN108005984A (en) | 2018-05-08 |
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Effective date of registration: 20191024 Address after: 317609 Mei'ao village, Longxi Town, Yuhuan City, Taizhou City, Zhejiang Province Applicant after: Yuhuan Huazhou Machinery Co.,Ltd. Address before: 315000 Zhejiang province Ningbo city Ningbo high tech Zone Juxian Road No. 555 building 035 room 18-1 No. 013 station Applicant before: NINGBO WENZE ELECTROMECHANICAL TECHNOLOGY DEVELOPMENT Co.,Ltd. |
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Granted publication date: 20191115 Termination date: 20211201 |