CN108692063A - Solenoid valve - Google Patents
Solenoid valve Download PDFInfo
- Publication number
- CN108692063A CN108692063A CN201810271363.7A CN201810271363A CN108692063A CN 108692063 A CN108692063 A CN 108692063A CN 201810271363 A CN201810271363 A CN 201810271363A CN 108692063 A CN108692063 A CN 108692063A
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- China
- Prior art keywords
- bolster
- core
- movable core
- secured
- hole
- 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.)
- Granted
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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
- F16K11/00—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves
- F16K11/02—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit
- F16K11/04—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only lift valves
- F16K11/044—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only lift valves with movable valve members positioned between valve seats
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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
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
- F16K31/06—Actuating devices; Operating means; Releasing devices electric; magnetic using a magnet, e.g. diaphragm valves, cutting off by means of a liquid
- F16K31/0603—Multiple-way valves
- F16K31/0624—Lift valves
- F16K31/0627—Lift valves with movable valve member positioned between seats
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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
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
- F16K31/06—Actuating devices; Operating means; Releasing devices electric; magnetic using a magnet, e.g. diaphragm valves, cutting off by means of a liquid
- F16K31/0686—Braking, pressure equilibration, shock absorbing
- F16K31/0696—Shock absorbing, e.g. using a dash-pot
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Magnetically Actuated Valves (AREA)
Abstract
The present invention provides a kind of solenoid valve, even if iron core room can inhibit bolster flexural deformation in a manner of towards iron core room protrusion if becoming negative pressure state.Because bolster (40) is bonded in the magnetic pole strength (32e) of secured core (32) and the opposed faces (35f) of coil rack (35) using heat cured adhesive (42), so even if iron core room (16) become negative pressure state, the bonding force that adhesive (42) can also be used inhibits bolster flexural deformation in a manner of towards iron core room protrusion.In addition, because bolster is formed through hole (41), so compared with the case where bolster does not form through hole (41), reduced by the compression area of the bolster of the pressure of the magnetic pole strength (32e) of secured core (32) and the opposed faces (35f) of coil rack (35) between bolster.Therefore, even if iron core room can inhibit bolster flexural deformation in a manner of towards iron core room protrusion if becoming negative pressure state.
Description
Technical field
The present invention relates to solenoid valves.
Background technology
Such as the solenoid valve that Japanese Unexamined Patent Publication 2009-275811 bulletins are recorded is as shown in fig. 7, have for being formed in valve
The spool 101 and the electromagnetic part 102 for making spool 101 move that the flow path of body 100 switches over.Electromagnetic part 102 has:Coil 103;
Columnar secured core 104;Movable core 105, by being supplied electric power to coil 103, to which movable core 105 is adsorbed in fixation
Iron core 104;And force application spring 106, suppress movable core to the direction for making movable core 105 leave secured core 104
105.Coil 103 winds the coil rack 107 for the resin for being installed on tubular, and coil rack 107 is set to secured core 104
Peripheral surface.Also, when being supplied electric power to coil 103, movable core 105 fights the elastic force pressure of force application spring 106 and is adsorbed in
Secured core 104.With the absorption of the movable core 105 to secured core 104, spool 101 moves, to which flow path is cut
It changes.
Valve body 100 is formed with the valve chamber 108 of storage spool 101.In addition, the end face 100a in valve body 100 is recessed cored
Room 109 is accommodated with movable core 105 in iron core room 109.Movable core 105 have valve press section 105a, valve press section 105a from
Iron core room 109 is projected into through valve body 100 in valve chamber 108, and is extended towards spool 101.Therefore, valve chamber 108 and iron core room
109 connections.Also, in the state that movable core 105 leaves secured core 104 due to the elastic force pressure of force application spring 106, valve
Press section 105a presses spool 101.
Secured core 104 has the magnetic pole strength 104a of the flat planar opposed with movable core 105.In addition, coil rack
The 107 opposed faces 107a with the flat planar opposed with the end face 100a of valve body 100.The magnetic pole strength 104a of secured core 104
It is located on the same face with the opposed faces 107a of coil rack 107.
In the magnetic pole strength 104a of the secured core 104 and opposed faces 107a of coil rack 107 and movable core 105 and valve body
The bolster 110 of the resin of sheet is folded between 100 end face 100a.The peripheral part of bolster 110 is by coil rack 107
Opposed faces 107a and valve body 100 end face 100a clamping.Between the end face 100a and bolster 110 of valve body 100 further
It is folded with the gasket 111 of rubber system.Gasket 111 will seal between the end face 100a and bolster 110 of valve body 100.
Bolster 110 mitigates the movable core 105 when movable core 105 is adsorbed in secured core 104 to secured core 104
Impact, to reduce the abrasion of secured core 104 and movable core 105.In addition, bolster 110 inhibits to flow into from valve chamber 108
Fluid to iron core room 109 drains to outside via between the peripheral surface and the inner peripheral surface of coil rack 107 of secured core 104.
Invention content
The subject that the invention solves
But as shown in figure 8, for example when iron core room 109 become negative pressure state when, the magnetic pole strength 104a of secured core 104
And the pressure between the opposed faces 107a and bolster 110 of coil rack 107 be atmospheric pressure, therefore sometimes bolster 110 with court
Mode flexural deformation to 109 protrusion of iron core room.When the flexural deformation in a manner of towards 109 protrusion of iron core room of bolster 110,
The movement of movable core 105 towards secured core 104 when movable core 105 is adsorbed in secured core 104 is hampered by bolster 110
Hinder, it is possible to solenoid valve be caused to be malfunctioned.
The present invention is completed to solve the above problems, and its purpose is to provide following solenoid valves:Even if iron core room
As negative pressure state, it can also inhibit bolster flexural deformation in a manner of towards iron core room protrusion.
Solution for solving the problem
The solenoid valve for solving the above subject has the spool switched over to the flow path for being formed in valve body and makes the spool
Mobile electromagnetic part, the electromagnetic part have:Coil;Columnar secured core;Movable core, by supplying electricity to the coil
Power, to which the movable core is adsorbed in the secured core;Force application spring is located in the movable core and the fixation
Between iron core, and the movable core is suppressed to the direction for making the movable core leave the secured core;And tree
The coil rack of fat is set to the peripheral surface of the secured core, and winds and be equipped with the coil, the movable core
It is accommodated in the iron core room recessed in the end face of the valve body, the secured core has the flat surface opposed with the movable core
The magnetic pole strength of shape, the coil rack has the opposed faces of the flat planar opposed with the end face, in the magnetic pole strength and institute
The bolster that sheet is folded between opposed faces and the movable core and the end face is stated, the peripheral part of the bolster is by institute
Opposed faces and end face clamping are stated, are formed through hole in the bolster, the bolster utilizes heat cured adhesive
It is bonded in the magnetic pole strength and the opposed faces.
In above-mentioned solenoid valve, or, the spring receipts for storing the force application spring are formed in the movable core
Receive hole, on the moving direction of the movable core, the inside of the inner peripheral week of the through hole and the spring reception hole
Overlapping.
Invention effect
According to invention, even if iron core room can inhibit bolster in a manner of towards iron core room protrusion if becoming negative pressure state
Flexural deformation.
Description of the drawings
Fig. 1 is the sectional view for showing the solenoid valve in embodiment.
Fig. 2 is the 2-2 line sectional views in Fig. 1.
Fig. 3 is the sectional view of solenoid valve.
Fig. 4 is the 4-4 line sectional views in Fig. 3.
Fig. 5 is the enlarged partial sectional view of solenoid valve.
Fig. 6 is the exploded perspective view for showing secured core, coil rack and bolster.
Fig. 7 is the enlarged partial sectional view of the solenoid valve in conventional example.
Fig. 8 is the sectional view for showing bolster state of flexural deformation in a manner of towards iron core room protrusion.
Reference sign
10:Solenoid valve;11:Valve body;11d:End face;16:Iron core room;20:Spool;30:Electromagnetic part;31:Coil;32:Gu
Fixed core;32e:Magnetic pole strength;33:Movable core;33h:Spring reception hole;34:Force application spring;35:Coil rack;35f:It is opposed
Face;40:Bolster;40a:Peripheral part;41:Through hole;41a:Inner peripheral;42:Adhesive.
Specific implementation mode
Hereinafter, being illustrated to an embodiment for embodying solenoid valve according to Fig. 1~Fig. 6.
As shown in Figure 1 to 4, solenoid valve 10 has the valve body 11 of synthetic resin material, and valve body 11 is non-magnetic material
System.In addition, solenoid valve 10 has the spool 20 for being switched over to the flow path for being formed in valve body 11 and spool 20 is made to move
Electromagnetic part 30.
It is formed with supply mouth 11a, delivery outlet 11b and outlet 11c in a side of the bottom side of valve body 11.It is supplying
To mouth 11a positive pressure supply source (not shown) is connected with through not shown piping.Connect through not shown piping in delivery outlet 11b
It is connected to pneumatic device (not shown).In outlet 11c negative pressure generating source (not shown) is connected with through not shown piping.
It is equipped with across the sealing 12s being made of gasket, O-ring seals in an end of the length direction of valve body 11
Valve plug (plug) 12.Valve plug 12 cooperates with valve body 11 and marks off valve chamber 13, and valve chamber 13 stores spool 20.
The feed path 14a being connected to supply mouth 11a is formed in valve body 11 and valve plug 12.In addition, in the formation of valve body 11
The passing away 14c for having the output channel 14b being connected to delivery outlet 11b and being connected to outlet 11c.Supply mouth 11a is via confession
It is connected to channel 14a and valve chamber 13 are interior.Delivery outlet 11b is connected to via output channel 14b and valve chamber 13 are interior.Outlet 11c via
It is connected in passing away 14c and valve chamber 13.
In valve plug 12, around the opening towards valve chamber 13 of the end face opposite in valve chamber 13 and feed path 14a
It is formed with the valve seat 12e for the supply side that spool 20 is taken one's seat.Moreover, in valve body 11, with the end face that faces in valve chamber 13 and arrange
Go out channel 14c towards the valve seat 11e for being formed with the discharge side that spool 20 is taken one's seat around the opening of valve chamber 13.Spool 20 relative to
Two valve seats 11e, 12e can be toward or away from.It is folded in valve chamber 13 and between spool 20 and valve plug 12 valve core spring 15.
The valve guide part 21 of bottomed tube is accommodated in valve chamber 13, valve guide part 21 is configured at around spool 20, and
Guide spool 20.Valve guide part 21 has:Canister portion 21a is configured at around spool 20;With bottom 21b, with canister portion 21a
The sides valve seat 11e it is continuous and extend in the direction orthogonal with the moving direction of spool 20.In bottom, 21b, which is formed with, avoids and valve
Hole 21h is kept out of the way in seat 11e contacts.Spool 20 is abutted with keeping out of the way for bottom 21b around the 21h of hole.
It is provided projectingly guide part 21f in the bottom 21b of valve guide part 21, guide part 21f is being formed in leading for valve body 11
It is inserted into slot 11h.Valve guide part 21 is directed to slot 11h guiding by guide part 21f, so as to the shifting relative to spool 20
The confined state of inclination in dynamic direction is integrally moved with spool 20.Spool 20 is led by the elastic force pressure of valve core spring 15 with valve
It is suppressed together to the direction for the 12e that lifts off a seat to portion 21.Therefore, spool 20 by valve guide part 21 to limit inclined state and valve
Guide part 21 moves together.
The recessed cored room the end face 11d of the side opposite with valve plug 12 on the length direction of valve body 11 16.Valve body
11 have the subregion wall 11f that subregion is carried out to valve chamber 13 and iron core room 16.
In valve body 11, around iron core room 16 it is extended go out tubular magnet frame frame 17.It buries 12 side of valve plug of magnet frame frame 17
Set on valve body 11, the side opposite with valve plug 12 of magnet frame frame 17 is protruded from valve body 11.
Electromagnetic part 30 has:Coil 31;Columnar secured core 32;Movable core 33, by being supplied electric power to coil 31,
To which movable core 33 is adsorbed in secured core 32;Force application spring 34, to the side for making movable core 33 leave secured core 32
To suppressing movable core 33;And the coil rack 35 of resin, winding are equipped with coil 31.
Coil 31 is disposed in the inside of magnet frame frame 17.Coil rack 35 is tubular, and is set to the outer of secured core 32
Circumferential surface.Movable core 33 is accommodated in iron core room 16.Movable core 33 is suppressed by the elastic force pressure of force application spring 34 towards valve chamber 13.
Movable core 33 has iron core portion 33a and is installed on the mounting portion 33b of the resin of iron core portion 33a.Iron core portion 33a
To be formed with the tubular for the spring reception hole 33h for storing force application spring 34.Therefore, movable core 33 is formed with storage force application spring
34 spring reception hole 33h.Mounting portion 33b is installed on the spring reception hole 33h of iron core portion 33a.Force application spring 34 is received in spring
The hole 33h that receives is interior between mounting portion 33b and secured core 32.Mounting portion 33b has the long slab extended towards valve guide part 21
A pair of of valve press section 33c of shape.End faces of a pair of of valve press section 33c from the side opposite with force application spring 34 of mounting portion 33b
It is prominent.
As shown in Figure 2 and Figure 4, inserting hole 11k, a pair of of valve press section 33c are formed in subregion wall 11f and are inserted through respectively slotting
Through-hole 11k.Also, each inserting hole 11k is inserted through by a pair of of valve press section 33c, to which a pair of valve press section 33c is from iron core room
16 are projected into through subregion wall 11f in valve chamber 13, and extend towards spool 20.Valve chamber 13 and iron core room 16 are via each inserting hole
11k is connected to.Valve guide part 21 abuts on the moving direction of spool 20 with a pair of of valve press section 33c.Also, in movable core 33
In the state of being suppressed towards valve chamber 13 by force application spring 34, valve guide part 21 is pressed by valve press section 33c, to which spool 20 presses
In valve seat 12e.
As shown in Figure 3 and Figure 4, when being supplied electric power to coil 31, coil 31 is excited, and is generated around coil 31 logical
Cross magnet frame frame 17, secured core 32 and movable core 33 magnetic flux.Also, make fixed iron since the excitation of coil 31 acts on
Core 32 generate attraction, movable core 33 fight force application spring 34 elastic force pressure and be adsorbed in secured core 32, spool 20 due to
The elastic force pressure of valve core spring 15 and moved to the direction for the 12e that lifts off a seat, and be seated at valve seat 11e.Feed path as a result,
14a is open and passing away 14c closings, supply mouth 11a and delivery outlet 11b via feed path 14a, valve chamber 13 and are exported
Channel 14b is connected to, and the company via output channel 14b, valve chamber 13 and passing away 14c of delivery outlet 11b and outlet 11c
It is logical to be cut off.
As depicted in figs. 1 and 2, when stopping to the power supply of coil 31, then caused by being acted on by the excitation of coil 31
The attraction of secured core 32 disappears, movable core 33 due to force application spring 34 elastic force pressure and to the side for leaving secured core 32
To movement.Also, valve guide part 21 and spool 20 is set to fight the bullet of valve core spring 15 using the valve press section 33c of movable core 33
Pressure and pressed towards valve seat 12e, and be seated at valve seat 12e.Feed path 14a is closed as a result, and passing away 14c is opened
Put, delivery outlet 11b is connected to outlet 11c via output channel 14b, valve chamber 13 and passing away 14c, supply mouth 11a and
The connection via feed path 14a, valve chamber 13 and output channel 14b of delivery outlet 11b is cut off.
Secured core 32 is formed using metal soft magnetic material.Secured core 32 has columnar axle portion 32a and sets
It is placed in the 1st flange part 32b and the 2nd flange part 32c at the both ends of the axis direction of axle portion 32a.1st flange part 32b and the 2nd flange
Portion 32c extends in the direction orthogonal with the axis direction of axle portion 32a.1st flange part 32b and the 2nd flange part 32c shapes when looking down
As long round shape.Axle portion 32a is orthogonal with the axis direction of axle portion 32a and along the 1st flange part 32b and the 2nd flange part 32c
Long round shape plane direction on section view when be formed as long round shape.The major diameter and minor axis of 1st flange part 32b is respectively formed get Bi
The major diameter and minor axis of 2 flange part 32c is short.1st flange part 32b have on the axis direction of axle portion 32a with the 2nd flange part 32c
Opposed face 321b.2nd flange part 32c has opposed with the face 321b of the 1st flange part 32b on the axis direction of axle portion 32a
Face 321c.In addition, the outer end face on the axis direction of axle portion 32a of the 1st flange part 32b and the 2nd flange part 32c is formed
For flat planar.
Secured core 32 is configured at valve body 11 in such a way that the outer end face of the 1st flange part 32b is opposed with movable core 33.And
And the 1st flange part 32b end face become the flat planar opposed with movable core 33 magnetic pole strength 32e.Therefore, secured core
The 32 magnetic pole strength 32e with the flat planar opposed with movable core 33.
Coil rack 35 has:Canister portion 35a coats the peripheral surface of axle portion 32a;Cricoid 1st extended portion 35b,
Continuously and along the face 321b of the 1st flange part 32b extend with canister portion 35a;And cricoid 2nd extended portion 35c, with canister portion
35a is continuous and extends along the face 321c of the 2nd flange part 32c.1st extended portion 35b is by the face 321b packets of the 1st flange part 32b
It covers.2nd extended portion 35c coats the face 321c of the 2nd flange part 32c.Coil 31 is in canister portion 35a, the 1st extended portion 35b and the 2nd
Installation is wound between extended portion 35c.
Coil rack 35 further has:1st annulus 35d, and general continuous with the peripheral part of the 1st extended portion 35b
The peripheral surface of 1st flange part 32b coats;It is continuous with the peripheral part of the 2nd extended portion 35c and by the 2nd with the 2nd annulus 35e
The peripheral surface of flange part 32c coats.Therefore, the peripheral surface of secured core 32 is coated by coil rack 35.1st annulus 35d's
Radial thickness is thicker than the radial thickness of the 2nd annulus 35e.By that will be melted in the state that secured core 32 is set in mold
Melt resin is filled into mold and makes its solidification, to which coil rack 35 and secured core 32 are integrally formed.
As shown in figure 5, the outer end face on the axis direction of canister portion 35a of the 1st annulus 35d of coil rack 35 at
For the opposed faces 35f of the flat planar opposed with the end face 11d of valve body 11.Therefore, coil rack 35 has the end with valve body 11
The opposed faces 35f of flat planar opposed face 11d.The magnetic pole strength 32e of secured core 32 and the opposed faces of coil rack 35 35f
In on the same face.
In the magnetic pole strength 32e of secured core 32 and opposed faces 35f and the movable core 33 of coil rack 35 and valve body 11
The bolster 40 of sheet is folded between the 11d of end face.Bolster 40 is by the synthetic resin material for example as liquid crystal polymer (LCP)
Material is formed.Bolster 40 becomes certain thickness.The peripheral part 40a of bolster 40 is by the opposed faces 35f and valve body of coil rack 35
11 end face 11d clampings.
As shown in fig. 6, bolster 40 is the outer peripheral edge 40b of bolster 40 along the 1st annulus 35d of coil rack 35
The shape that outer peripheral edge 351d extends.Bolster 40 is formed with the through hole 41 of elongated hole-shape.Through hole 41 is formed in bolster 40
Center.In the present embodiment, bolster 40 is simply formed with a through hole 41.The inner peripheral 41a weeks of through hole 41 with it is solid
The magnetic pole strength 32e overlappings of fixed core 32.Bolster 40 is to cross in the peripheral surface and the 1st annulus 35d of the 1st flange part 32b
The mode on the boundary of circumferential surface is Chong Die with the magnetic pole strength 32e of secured core 32 and the opposed faces 35f of coil rack 35.
As shown in figure 5, on the moving direction X1 of movable core 33, inner peripheral 41a weeks and the spring of through hole 41 are received
Receive hole 33h inside overlapping.Through hole 41 is less than the hole of spring reception hole 33h.32 side of secured core of force application spring 34
End is abutted by through hole 41 and with the magnetic pole strength 32e of secured core 32.
It is formed with cricoid mounting groove 11g in the end face 11d of valve body 11.Cricoid sealing is installed in mounting groove 11g
Component 43.Seal member 43 is, for example, the gasket of rubber system.Seal member 43 be tightly attached to 11 side of valve body of bolster 40 face and
The inner surface of mounting groove 11g will seal between bolster 40 and the end face 11d of valve body 11.Therefore, can inhibit from valve chamber 13 via
The fluid that each inserting hole 11k is flowed into iron core room 16 drains to solenoid valve 10 via between bolster 40 and the end face 11d of valve body 11
Outside.
Bolster 40 is adhered to the magnetic pole strength 32e and coil rack 35 of secured core 32 using heat cured adhesive 42
Opposed faces 35f.Adhesive 42 is, for example, the bonding film of sheet.Adhesive 42 has the hole Chong Die with the through hole 41 of bolster 40
42a.The sandwiched adhesive 42 between the magnetic pole strength 32e of secured core 32 and the opposed faces 35f of coil rack 35 of bolster 40,
By by bolster 40 and adhesive 42 to press on the magnetic pole strength 32e of secured core 32 and the opposed faces 35f of coil rack 35
State it is thermally welded, to be adhered to by adhesive 42 secured core 32 magnetic pole strength 32e and coil rack 35 opposed faces
35f。
In utilization adhesive 42 to bolster 40 and the magnetic pole strength 32e of secured core 32 and the opposed faces of coil rack 35
When 35f is bonded, the air being present between adhesive 42 and bolster 40 is discharged to via the through hole 41 of bolster 40
It is external.It can inhibit as a result, as follows:In the magnetic pole strength 32e and coil bone using adhesive 42 to bolster 40 and secured core 32
After the opposed faces 35f of frame 35 is bonded, air trapping is between adhesive 42 and bolster 40.
In addition, in utilization adhesive 42 to bolster 40 and the magnetic pole strength 32e of secured core 32 and pair of coil rack 35
When the face 35f of setting is bonded, it is present in the magnetic pole strength 32e of secured core 32 and the opposed faces 35f and adhesive of coil rack 35
Air between 42 is discharged to the outside via the hole 42a of adhesive 42 and the through hole 41 of bolster 40.Can inhibit as a result, as
Under:The magnetic pole strength 32e of bolster 40 and secured core 32 and the opposed faces 35f of coil rack 35 are being carried out using adhesive 42
After bonding, air trapping is between the magnetic pole strength 32e of secured core 32 and the opposed faces 35f of coil rack 35 and adhesive 42.
Bolster 40 mitigates the rushing to secured core 32 of movable core 33 when movable core 33 is adsorbed in secured core 32
It hits, to reduce the abrasion of secured core 32 and movable core 33.In addition, bolster 40 is to cross over the periphery of the 1st flange part 32b
The mode on the boundary of the inner peripheral surface of face and the 1st annulus 35d, and with the magnetic pole strength 32e and coil rack 35 with secured core 32
Opposed faces 35f overlapping state, pair of the magnetic pole strength 32e and coil rack 35 of secured core 32 are bonded in by adhesive 42
Set face 35f.Therefore, it can inhibit from valve chamber 13 via each inserting hole 11k and be flowed into the fluid of iron core room 16 via secured core 32
Peripheral surface and the inner peripheral surface of coil rack 35 between drain to the outside of solenoid valve 10.
Then, the effect of present embodiment is illustrated.
In the case where outlet 11c is connected to negative pressure generating source, make valve chamber 13 and iron core room 16 via each inserting hole 11k
Connection, so iron core room 16 becomes negative pressure state sometimes.Such as adhesive 42 is not utilized to be adhered to fixed iron in bolster 40
In the case of the magnetic pole strength 32e of the core 32 and opposed faces 35f of coil rack 35, in the magnetic pole strength 32e and coil of secured core 32
Between the opposed faces 35f and bolster 40 of skeleton 35, air from the outside of solenoid valve 10 via secured core 32 peripheral surface with
It is flowed between the inner peripheral surface of coil rack 35.Also, when iron core room 16 becomes negative pressure state, the magnetic pole strength of secured core 32
Pressure between 32e and the opposed faces 35f and bolster 40 of coil rack 35 is atmospheric pressure, so bolster 40 will be with direction
The mode flexural deformation of 16 protrusion of iron core room.
Therefore, in the present embodiment, because bolster 40 is bonded in the magnetic pole strength of secured core 32 using adhesive 42
The viscous of adhesive 42 can also be used so even if iron core room 16 becomes negative pressure state in the opposed faces 35f of 32e and coil rack 35
Resultant force inhibits the flexural deformation in a manner of towards 16 protrusion of iron core room of bolster 40.
In addition, because the case where bolster 40 is formed through hole 41, through hole 41 is not formed with bolster 40
It compares, by the slow of the pressure between the magnetic pole strength 32e of secured core 32 and the opposed faces 35f of coil rack 35 and bolster 40
The compression area of stamping 40 is reduced.Therefore, even if iron core room 16 can inhibit bolster 40 with towards iron core if becoming negative pressure state
The mode flexural deformation of 16 protrusion of room.
Following effect can be obtained in the above-described embodiment.
(1) bolster 40 is bonded in the magnetic pole strength 32e and coil rack of secured core 32 using heat cured adhesive 42
35 opposed faces 35f.Accordingly, the bonding force of adhesive 42 can be utilized to inhibit buffering if even if iron core room 16 becomes negative pressure state
The flexural deformation in a manner of towards 16 protrusion of iron core room of part 40.It is and slow in addition, because bolster 40 is formed through hole 41
Stamping 40 does not form the case where through hole 41 and compares, by secured core 32 magnetic pole strength 32e and coil rack 35 it is opposed
The compression area of the bolster 40 of pressure between face 35f and bolster 40 is reduced.Therefore, even if iron core room 16 becomes negative pressure shape
State can also inhibit the flexural deformation in a manner of towards 16 protrusion of iron core room of bolster 40.
(2) on the moving direction X1 of movable core 33, inner peripheral 41a weeks and the spring reception hole 33h of through hole 41
Inside overlapping.Accordingly, it is stored with the inner peripheral 41a weeks of through hole 41 on the moving direction X1 of movable core 33 and spring
The case where outside overlapping of hole 33h, is compared, and can ensure that the movable core 33 when movable core 33 is adsorbed in secured core 32 is gentle
The contact area of stamping 40 is broader.Therefore, mitigation movable core 33 can be easy using bolster 40 and be adsorbed in secured core 32
When impact of the movable core 33 to secured core 32, so as to improve the durability of solenoid valve 10.
(3) using adhesive 42 to the opposed of bolster 40 and the magnetic pole strength 32e of secured core 32 and coil rack 35
When face 35f is bonded, the air being present between adhesive 42 and bolster 40 is discharged via the through hole 41 of bolster 40
To outside.Further, it is present in the magnetic pole strength 32e of secured core 32 and the opposed faces 35f of coil rack 35 and adhesive 42
Between air be discharged to the outside via the hole 42a of adhesive 42 and the through hole 41 of bolster 40.As a result, by adhesive 42
The adaptation of the magnetic pole strength 32e of bolster 40 and secured core 32 and the opposed faces 35f of coil rack 35 can be improved.
(4) bolster 40 is bonded in the magnetic pole strength 32e and coil rack of secured core 32 using heat cured adhesive 42
35 opposed faces 35f.It accordingly, will not be as bolster 40 to be for example bonded in using the adhesive of liquid the magnetic pole of secured core 32
The case where opposed faces 35f of face 32e and coil rack 35, is such, magnetic pole strength of the adhesive from bolster 40 and secured core 32
It is flowed out between 32e and the opposed faces 35f of coil rack 35.Therefore, bolster 40 and secured core be can ensure that by adhesive 42
The adhesive strength of 32 magnetic pole strength 32e and the opposed faces 35f of coil rack 35.
(5) according to the present embodiment, even if iron core room 16 can inhibit bolster 40 with towards iron core if becoming negative pressure state
The mode flexural deformation of 16 protrusion of room, therefore the movement towards secured core 32 of movable core 33 is interfered by bolster 40, from
And solenoid valve 10 can be inhibited to be malfunctioned.
In addition, the above embodiment can also be by following change.
In embodiments, or, through hole 41 is greater than the hole of spring reception hole 33h, in movable core 33
Moving direction X1 on, the inner peripheral 41a weeks of through hole 41 are Chong Die with the outside of spring reception hole 33h.
In embodiments, bolster 40 is such as the shape by polyethylene terephthalate (PET), polyimides (PI)
At.
In embodiments, through hole 41 can be that such as quadrangle is poroid, and shape is not particularly limited.
In embodiments, bolster 40 can also be formed with multiple through holes 41.For example, bolster 40 may be
It is mesh-structured.
In embodiments, adhesive 42 can not also have the hole 42a Chong Die with the through hole 41 of bolster 40.
Claims (2)
1. a kind of solenoid valve has the spool switched over to the flow path for being formed in valve body and makes the electromagnetism of the spool movement
Portion,
The electromagnetic part has:Coil;Columnar secured core;Movable core, by being supplied electric power to the coil, to institute
It states movable core and is adsorbed in the secured core;Force application spring is located between the movable core and the secured core,
And suppress the movable core to the direction for making the movable core leave the secured core;And the coil bone of resin
Frame is set to the peripheral surface of the secured core, and winds and be equipped with the coil,
The movable core is accommodated in the iron core room recessed in the end face of the valve body, the secured core have with it is described movable
The magnetic pole strength of the opposed flat planar of iron core, the coil rack have the opposed faces of the flat planar opposed with the end face,
The bolster of sheet, institute are folded between the magnetic pole strength and the opposed faces and the movable core and the end face
The peripheral part for stating bolster is clamped by the opposed faces and the end face, and the solenoid valve is characterized in that,
It is formed through hole in the bolster, the bolster is bonded in the magnetic pole strength and institute using heat cured adhesive
State opposed faces.
2. solenoid valve according to claim 1, which is characterized in that be formed with the storage force bullet in the movable core
The spring reception hole of spring,
On the moving direction of the movable core, stress in the inner peripheral week of the through hole and the spring reception hole
It is folded.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2017-073713 | 2017-04-03 | ||
| JP2017073713A JP6925841B2 (en) | 2017-04-03 | 2017-04-03 | solenoid valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108692063A true CN108692063A (en) | 2018-10-23 |
| CN108692063B CN108692063B (en) | 2019-11-12 |
Family
ID=63844685
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810271363.7A Active CN108692063B (en) | 2017-04-03 | 2018-03-29 | Solenoid valve |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP6925841B2 (en) |
| CN (1) | CN108692063B (en) |
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| CN2836225Y (en) * | 2005-11-01 | 2006-11-08 | 郭庆良 | Magnetic armature electromagnetic relay |
| JP2009275811A (en) * | 2008-05-14 | 2009-11-26 | Ckd Corp | Solenoid valve |
| JP2011102597A (en) * | 2009-11-10 | 2011-05-26 | Nok Corp | Solenoid valve |
| CN102598297A (en) * | 2009-10-28 | 2012-07-18 | Lg伊诺特有限公司 | Solar photovoltaic device |
| DE102011052526A1 (en) * | 2011-08-09 | 2013-02-14 | Eto Magnetic Gmbh | Electromagnetic valve apparatus has non-elastomeric spacers that are interacted to core unit or with valve opening, so that stop and/or crash of anchor unit is attenuated by transfer of stop or impact energy on elastomeric element |
| CN203404470U (en) * | 2013-07-25 | 2014-01-22 | 宁波方太厨具有限公司 | Electromagnetic valve with buffer structure |
| CN205122495U (en) * | 2015-12-04 | 2016-03-30 | 王旭宏 | Ac contactor's iron core buffer gear |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS50110420U (en) * | 1974-02-18 | 1975-09-09 | ||
| JPH039579Y2 (en) * | 1985-02-04 | 1991-03-11 | ||
| JPS6436776U (en) * | 1987-08-28 | 1989-03-06 | ||
| JP2004019927A (en) * | 2002-06-20 | 2004-01-22 | Nachi Fujikoshi Corp | Solenoid valve |
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2017
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2018
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|---|---|---|---|---|
| CN2836225Y (en) * | 2005-11-01 | 2006-11-08 | 郭庆良 | Magnetic armature electromagnetic relay |
| JP2009275811A (en) * | 2008-05-14 | 2009-11-26 | Ckd Corp | Solenoid valve |
| CN102598297A (en) * | 2009-10-28 | 2012-07-18 | Lg伊诺特有限公司 | Solar photovoltaic device |
| JP2011102597A (en) * | 2009-11-10 | 2011-05-26 | Nok Corp | Solenoid valve |
| DE102011052526A1 (en) * | 2011-08-09 | 2013-02-14 | Eto Magnetic Gmbh | Electromagnetic valve apparatus has non-elastomeric spacers that are interacted to core unit or with valve opening, so that stop and/or crash of anchor unit is attenuated by transfer of stop or impact energy on elastomeric element |
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Also Published As
| Publication number | Publication date |
|---|---|
| JP2018179016A (en) | 2018-11-15 |
| CN108692063B (en) | 2019-11-12 |
| JP6925841B2 (en) | 2021-08-25 |
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