CN105465389B - Valve gear - Google Patents
Valve gear Download PDFInfo
- Publication number
- CN105465389B CN105465389B CN201510616282.2A CN201510616282A CN105465389B CN 105465389 B CN105465389 B CN 105465389B CN 201510616282 A CN201510616282 A CN 201510616282A CN 105465389 B CN105465389 B CN 105465389B
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- China
- Prior art keywords
- mentioned
- valve
- spool
- buffer unit
- plunger
- Prior art date
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Links
- 125000004122 cyclic group Chemical group 0.000 claims description 50
- 230000002093 peripheral effect Effects 0.000 claims description 7
- 238000000034 method Methods 0.000 abstract description 7
- 238000009434 installation Methods 0.000 abstract description 4
- 239000012530 fluid Substances 0.000 description 17
- 230000003321 amplification Effects 0.000 description 11
- 238000003199 nucleic acid amplification method Methods 0.000 description 11
- 238000003466 welding Methods 0.000 description 11
- 239000011347 resin Substances 0.000 description 10
- 229920005989 resin Polymers 0.000 description 10
- 230000000694 effects Effects 0.000 description 9
- 239000002184 metal Substances 0.000 description 7
- 229910052751 metal Inorganic materials 0.000 description 7
- 239000000463 material Substances 0.000 description 6
- 229920001971 elastomer Polymers 0.000 description 4
- 239000000806 elastomer Substances 0.000 description 4
- 230000005284 excitation Effects 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 239000004696 Poly ether ether ketone Substances 0.000 description 2
- JUPQTSLXMOCDHR-UHFFFAOYSA-N benzene-1,4-diol;bis(4-fluorophenyl)methanone Chemical compound OC1=CC=C(O)C=C1.C1=CC(F)=CC=C1C(=O)C1=CC=C(F)C=C1 JUPQTSLXMOCDHR-UHFFFAOYSA-N 0.000 description 2
- 230000003139 buffering effect Effects 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- 229920002530 polyetherether ketone Polymers 0.000 description 2
- 239000004810 polytetrafluoroethylene Substances 0.000 description 2
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 238000001179 sorption measurement Methods 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000005347 demagnetization Effects 0.000 description 1
- 230000000881 depressing effect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 230000000116 mitigating effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000008719 thickening Effects 0.000 description 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 239000010937 tungsten Substances 0.000 description 1
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
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/32—Details
- F16K1/34—Cutting-off parts, e.g. valve members, seats
- F16K1/42—Valve seats
-
- 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
-
- 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
- F16K31/12—Actuating devices; Operating means; Releasing devices actuated by fluid
- F16K31/122—Actuating devices; Operating means; Releasing devices actuated by fluid the fluid acting on a piston
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Magnetically Actuated Valves (AREA)
Abstract
The purpose of the present invention is to provide a kind of valve gears, the installation method of the previous buffer unit of impulsive sound when it solves the problems, such as to inhibit the phenomenon that work is mounted with that the valve flow of buffer unit reduces the problems such as few, can mitigate the metallic sound generated during the contact because valve body and plunger or spool stent.The valve gear (200) of the present invention has:Plunger can move together in order to which the valve port for being set on valve seat (211d) is opened and closed in plunger tube (221) with spool;And valve body (211), it at least has the ingress port (211a) connect with the first connector (201), the outlet port (211b) connected with the second connector (202), connects with ingress port and outlet port and the valve chamber (211c) of receiving spool (212) and the valve seat (211d) that is contacted with spool, and has buffer unit (215), the buffer unit is configured between valve body and plunger (222), and is configured at the stage portion for being arranged on valve body.
Description
Technical field
The present invention relates to the valve gears used in the system of control fluid flowing in order to be opened and closed flow path.
Background technology
The valve gear for being opened and closed flow path is used for various uses.As this valve gear a kind of, there is known solenoid valves.Fig. 1 conducts
One example of the solenoid valve of the prior art represents the main structure of the solenoid valve recorded in patent document 1.
In Fig. 1, solenoid valve 100 have valve body portion 110, the top for being configured at valve body portion 110 plunger unit 120,
And it is configured at the peripheral part of plunger unit 120 and the electromagnetic coil assembly of excitation is carried out to attractor 123 and plunger 122
130。
Valve body portion 110 has:Valve body 111 is connect with the first connector 101 and the second connector 102, is had with energy
The valve seat that the mode enough moved accommodates the valve chamber of spool 112 and plunger 122 and contacted with spool 112;And spherical spool
112, it is contained in valve chamber and is kept by the spool stent 125 for the lower end for being fixed on plunger 122, valve seat is opened and closed.
Plunger unit 120 has:It is fixed on the plunger as cylindrical shape component of the opening portion on the top of valve body 111
Pipe 121;The plunger 122 as movable core that can be slided up and down in plunger tube 121;It is fixed on the upper end of plunger tube 121
The attractor 123 as secured core in portion;Be configured between plunger 122 and attractor 123 and with to spool 112 to valve closing
The mode of direction reinforcing compresses the helical spring 124 of installation;It is fixed on the lower end of plunger 122 and in internal holding spool 112
Spool stent 125;And the valve spring 126 for being configured between plunger 122 and spool 112 and being reinforced to spool 112 to valve closing direction.
Electromagnetic coil assembly 130 has:The spool 131 of the resin of plunger tube 121 is installed on same heart shaped;It is wound in line
Axis 131 and the coil 132 that excitation is carried out to plunger 122 and attractor 123;The lead 133 being connect with coil 132;Use resin coating
Lid has wound the spool 131 after coil 132, and the spool 131 after being covered by the resin and coil 132 are contained in the outer of inside
Shell 134;And shell 134 is fixed on to the bolt 135 of attractor 123.
Existing technical literature
Patent document
Patent document 1:Japanese Unexamined Patent Publication 2003-301962 bulletins
Patent document 2:Japanese Unexamined Patent Publication 2000-170945 bulletins
Patent document 3:Japanese Unexamined Patent Publication 63-89477 bulletins
Invention content
Problems to be solved by the invention
Previous solenoid valve 100 recorded in such patent document 1 is that have spool stent in the lower end of plunger 122
125th, valve spring 126 and spool 112, and the high pressure for acting on spool 112 head pressure corresponds to the structure of type solenoid valve.Therefore, lead to
Spool 112 and this two benches contact of spool stent 125 are crossed, to reduce the impact of spool 112 and valve seat.Therefore, in solenoid valve 100
In, when plunger 122 is moved to valve closing direction, the spool stent 125 being made of metal material is in the same manner as by metal material
The valve chamber bottom contact of manufactured valve body 111, thus generates metallic sound, which becomes problem.
Patent Document 2 discloses following solenoid valves, i.e., have buffer spring, which is configured at spool
Around, a square end portion is inserted into set on the protrusion of plunger and abuts therewith, and the ring-type set on electromagnetism valve body is inserted into the opposing party end
Recess portion simultaneously abuts therewith, so as to inhibit impulsive sound during work.However, in patent document 2, spool is with valve seat by plane
Sealed against one another, the compression area of spool and valve seat becomes larger, there is the attraction of more strength in order to obtain and must increase coil or
Person reduces the problem of compression area etc.In addition, since buffer spring is set on around spool, there is a problem in that:
Worry that buffer spring interferes flow path or bites valve portion etc..
It in patent document 3, discloses following solenoid valve, i.e., has the end face of the secured core side for being installed on plunger
Elastic ring and be installed on plunger flange surface Elastic valve core around the nozzle buffer as elastomer, absorb at a high speed
Impact during the plunger collision of work, and with working with low noise.However, in patent document 3, elastomer is pasted on plunger, deposits
Flow path is being interfered in valve opening, there are problems that flow is reduced.In addition, since elastomer is pasted on the column of high speed operation
Plug, therefore also deposit the problem of elastomer may be removed at work.In addition, in patent document 3, there is a problem in that, i.e.,
Due to having a nozzle buffer in the flange surface of plunger and flow path becomes complicated, fluid becomes turbulent flow.In addition, in order to ensure passing through
The flow of valve port, and need the displacement distance of plunger being set to it is longer, therefore there is a problem in that, i.e., need to make plunger
The attraction of mobile relatively long distance.
The purpose of the present invention is to provide a kind of valve gear, the previous buffer part of impulsive sound when solving to inhibit work
It the problem of the problem of installation method of part, flow reduction of valve of situation for being mounted with buffer unit etc., can mitigate because of valve master
Body contact with plunger or spool stent and the metallic sound generated.
Solution for solving the problem
In order to solve the above problems, valve gear of the invention has:Plunger, in order to open the valve port for being set on valve seat
It closes and can be moved together in plunger tube with spool;And valve body, at least there is the arrival end being connect with the first connector
Mouth, connects with above-mentioned ingress port and above-mentioned outlet port and accommodates above-mentioned spool the outlet port being connect with the second connector
Valve chamber and the above-mentioned valve seat that is contacted with above-mentioned spool, above-mentioned valve gear be characterized in that having buffer unit, the buffering
Component is configured between above-mentioned valve body and above-mentioned plunger, and is configured in the stage portion for being set to above-mentioned valve body.
Alternatively, it is also possible to being annulus shape for above-mentioned buffer unit.
Alternatively, it is also possible to the above-mentioned valve seat for being formed in the bottom surface of above-mentioned valve chamber to be set to the stage portion of above-mentioned valve body
Around, above-mentioned buffer unit is configured at above-mentioned stage portion.
Alternatively, it is also possible in order to be fixed from the face of the opening portion side of the above-mentioned valve body of above-mentioned buffer unit,
Has around the above-mentioned spool for the inside for being configured at above-mentioned valve chamber and is fixed on the cartridge of above-mentioned valve body.
Alternatively, it is also possible to be fixed on above-mentioned valve body for the press-in of above-mentioned cartridge.
Alternatively, it is also possible to be fixedly welded on above-mentioned valve body for above-mentioned cartridge.
Alternatively, it is also possible to have for above-mentioned cartridge:Band slit fixed component, is formed with narrow in a cricoid part
Seam;And liner, set on the bottom surface side of the above-mentioned above-mentioned valve chamber with slit fixed component.
Alternatively, it is also possible to have for above-mentioned cartridge:Cartridge filter, be configured at above-mentioned valve chamber inside it is above-mentioned
Around spool, the face of the bottom surface side of above-mentioned valve chamber is contacted with above-mentioned buffer unit;And cyclic annular fixed component, in order to solid
Fixed above-mentioned buffer unit and above-mentioned cartridge filter, and to the opening portion side of the above-mentioned valve body of above-mentioned cartridge filter
Face is supported and is fixed on above-mentioned valve body.
Alternatively, it is also possible to the above-mentioned buffer unit to be configured at above-mentioned stage portion the bearing surface abutted with above-mentioned plunger with
Above-mentioned valve seat does not have step difference and is in same plane.
Alternatively, it is also possible to which there is the step of the peripheral part of bearing surface for being set on and being abutted with above-mentioned plunger for above-mentioned buffer unit
Portion, the face of the bottom surface side of the above-mentioned valve chamber of above-mentioned cartridge and the peripheral part of the above-mentioned plunger bearing surface of above-mentioned buffer unit
Stage portion contact, above-mentioned cartridge is aligned.
Alternatively, it is also possible to have for above-mentioned plunger:Spool stent is fixed on the bottom surface side of above-mentioned valve chamber and in inside
Keep spherical spool;And valve spring, it is configured in above-mentioned spool stent and above-mentioned spool is reinforced to valve closing direction.
Alternatively, it is also possible to being solenoid valve for above-mentioned valve gear.
The effect of invention is as follows.
Valve gear according to the present embodiment by setting buffer unit in contact surface, can be mitigated because of valve body and column
The contact of plug or spool stent and the metallic sound that generates.In addition, valve seat and spool can be metal, it is able to maintain that and is let out for valve
Durability, the workability of leakage.In addition, since cylinder filter is configured from the top of the buffer unit set on valve chamber bottom, and
It is fixed with cyclic annular fixed component, therefore buffer unit can be fixed with manufacturing man-hours few method.In addition it is possible to simultaneously
It eliminates buffer unit and interferes flow path, buffer unit the problems such as that bites valve seat point.
Description of the drawings
Fig. 1 is the sectional view of the solenoid valve of an example of the valve gear for representing the prior art.
Fig. 2 is the sectional view of the solenoid valve of the first embodiment of the valve gear of the present invention.
Fig. 3 is the sectional view near the valve body portion of amplification expression solenoid valve shown in Fig. 2.
Fig. 4 is the group of the major part near the valve body portion of the solenoid valve of the second embodiment of the valve gear of the present invention
Dress figure.
Fig. 5 is the sectional view for representing the major part near the valve body portion of solenoid valve shown in Fig. 4.
Fig. 6 is the group of the major part near the valve body portion of the solenoid valve of the third embodiment of the valve gear of the present invention
Dress figure.
Fig. 7 (a) is the sectional view for representing the major part near the valve body portion of solenoid valve shown in fig. 6, is valve body
The sectional view of major part near portion, Fig. 7 (b) are the amplifications near the stage portion of the buffer unit shown in the VIIB of Fig. 7 (a)
Figure.
Fig. 8 (a) is near the valve body portion of the solenoid valve of the 4th embodiment of the valve gear that amplification represents the present invention
Sectional view, is the enlarged drawing near valve body portion, and Fig. 8 (b) is the amplification near the buffer unit shown in the VIIIB of Fig. 8 (a)
Figure.
Fig. 9 is the section view near the valve body portion of the solenoid valve of the 5th embodiment of the valve gear that amplification represents the present invention
Figure.
Figure 10 (a) is the figure of the weld part for Fig. 9 for being fixedly welded on valve body that cyclic annular fixed component is further amplified, and is
Resistance welding is partly represented in the figure of the shape of the cyclic annular fixed component of taper stage portion, Figure 10 (b) is partly to represent electricity
Welding resistance is connected to the figure of the shape of the cyclic annular fixed component in land plateau portion, and Figure 10 (c) is partly to represent resistance welding in back taper
The figure of the shape of the cyclic annular fixed component of the front end of shape stage portion, Figure 10 (d) be partly represent the cyclic annular fixed component of welding and
The figure of the shape of the cyclic annular fixed component of the upper surface of valve body, Figure 10 (e) are partly represented in cyclic annular fixed component and valve
The figure of the shape of cyclic annular fixed component that the upper surface setting protrusion of main body is welded.
Figure 11 (a) is near the valve body portion of the solenoid valve of the sixth embodiment for the valve gear that amplification represents the present invention
Sectional view, Figure 11 (b) are to represent the stereogram with slit fixed component, and Figure 11 (c) is the stereogram for representing liner.
In figure:200th, 900,1100-device (solenoid valve), the 201-the first connector, the 202-the second connector, 210,810,
910th, 1110-valve body portion, 211,811,911,1011,1011A, 1011B, 1011C, 1111-valve body, 211a, 811a,
911a, 1111a-ingress port, 211b, 811b, 911b, 1111b-outlet port, 211c, 811c, 911c, 1111c-valve
Room, 211d, 811d, 911d, 1111d-valve seat, 211e, 811e, 911e, 1011e, 1011Ae, 1011Be, 1011Ce-step
Portion, 211f, 811f, 911f, 1111f-valve port, 211g, 811g, 911g, 1111g-flow path portion, 211h, 811h, 911h,
1111h-stage portion, 212-spool, 213-cylinder filter, 213a-upper surface, 213b-lower surface, 214,414,
914th, 1014,1014A, 1014B, 1014C-cyclic annular fixed component, 214a, 414a, 914a, 1014a, 1014Aa, 1014Ba,
1014Ca-flange, 214b, 414b, 914b, 1014b, 1014Ab, 1014Bb, 1014Cb-stage portion, 214c, 414c-under
Surface, 214d, 414d-press-in face, 215,615,815-buffer unit, 215a, 615a-through hole, 220-plunger unit,
221-plunger tube, 222-plunger, 222a-plunger compartment, 222b-longitudinal direction balancing orifice, 222c-transverse direction balancing orifice, 222d-under
Hold hollow portion, 223-attractor, 224-helical spring, 225-spool stent, 225a-through-hole, 226-valve spring, 230-electricity
Magnetic coil assemblies, 231-spool, 232-coil, 233-lead, 234-shell, 235-bolt, 414e-through hole,
615b, 815b-stage portion, 914e, 1014e, 1014Ae, 1014Be, 1014Ce-recessed portion, 916,1016,1016A,
716B, 716C-weld part, 1011Bi, 1011Ci-end face, 1011Cj-protrusion, 1014Cf-protrusion, 1114-band
Slit fixed component, 1115-liner.
Specific embodiment
Hereinafter, the embodiments of the present invention will be described with reference to the drawings.In addition, the upper and lower concept in the following description
With it is corresponding up and down in Fig. 1 to Figure 11, represent the opposite position relationship of each component, do not indicate that absolute relationship.
First, the first embodiment of the present invention is illustrated.Fig. 2 is the first implementation of the valve gear for representing the present invention
The sectional view of the solenoid valve 200 of mode, Fig. 3 are the section views near the valve body portion of amplification expression solenoid valve 200 shown in Fig. 2
Figure.Fig. 2, solenoid valve shown in Fig. 3 200 are the solenoid valves of the fluid control of closed type.
In Fig. 2, Fig. 3, the solenoid valve 200 of the first embodiment of valve gear of the invention has:Valve body portion 210;
It is configured at the plunger unit 220 on the top in valve body portion 210;And it is configured at the peripheral part of plunger unit 220 and to aftermentioned
Attractor 223 and plunger 222 carry out the electromagnetic coil assembly 230 of excitation.
Valve body portion 210 has:Valve body 211 has ingress port 211a connect with the first connector 201 and the
The outlet port 211b of two connectors 202 connection, it connects with ingress port 211a and outlet port 211b and can move
Mode accommodates the valve chamber 211c of aftermentioned spool 212 and plunger 222 and positioned at the top of outlet port 211b and is arranged on
The valve port 211f of the valve seat 211d contacted with spool 212;Spherical spool 212, be contained in valve chamber 211c and by being fixed on after
The spool stent 225 for the lower end of plunger 222 stated is kept, and the valve port 211f for being set on valve seat 211d is opened and closed;Cylinder filters
Device 213 prevents from entering from external foreign matter;Cyclic annular fixed component 214 fixes cylinder filter 213 from top;And
Buffer unit 215 is configured at the stage portion of annulus shape provided around the valve seat 211d in the bottom surface of valve chamber 211c
211h。
Plunger unit 220 has:It is fixed on the plunger as cylindrical shape component of the opening portion on the top of valve body 211
Pipe 221;The plunger 222 as movable core that can be slided up and down in plunger tube 221;It is fixed on the upper end of plunger tube 221
The attractor 223 as secured core in portion;Helical spring 224, the conduct in the center upper portion portion for being set to plunger 222 are big
Cause the inside of the plunger compartment 222a in columned hole, be configured between plunger 222 and attractor 223, and with to spool 212 to closing
The mode of the direction reinforcing of valve compresses installation;Spool stent 225 is fixed on the lower end of plunger 222, is substantially cylindrical shape,
Lower end extends inwardly, and keeps spool 212 in inside;And valve spring 226, compression are installed in the lower part of plunger 222
The inside of the lower end hollow portion 222d of setting, and be configured between plunger 222 and spool 212, spool 212 is added to valve closing direction
Power.
The longitudinal balancing orifice 222b and balancing orifice 222c of transverse direction is formed in the inside of plunger 222.Plunger compartment as a result,
222a is connected with valve chamber 211c and is realized and press.In addition, near the stage casing of spool stent 225, it is formed with lateral through-hole
225a.The inside of spool stent 225 is connected with valve chamber 211c as a result, and the valve port 211f set on valve seat 211d is closed in spool 212
Before, from the top elevated pressure fluid of spool 212, therefore spool 212 can be reliably closed using the pressure differential set on valve
The valve port 211f of seat 211d.
Electromagnetic coil assembly 230 has:The spool 231 of the resin of plunger tube 221 is installed on same heart shaped;It is wound in line
Axis 231 and the coil 232 that excitation is carried out to plunger 222 and attractor 223;The lead 233 being connect with coil 232;Use resin coating
Lid has wound the spool 231 after coil 232, and the spool 231 covered with the resin and coil 232 are contained in the shell of inside
234;And shell 234 is fixed on to the bolt 235 of attractor 223.
Then, the action of present embodiment is illustrated.Solenoid valve 200 is the solenoid valve of closed type, under usual state,
Using active force depressing plunger 222 downwards of the helical spring 224 for the plunger compartment 222a for being configured at plunger 222, configuration is utilized
In the active force of the valve spring 226 of the lower end hollow portion 222d of plunger 222, to the bottom surface for the valve chamber 211c for being configured at valve body 211
The valve port 211f pressing spools 212 in center, so as to as closed valve state.
If next, being powered from lead 233 to coil 232, attractor 223 and plunger 222 are excited.It is inhaling as a result,
Adsorption capacity is generated between introduction 223 and plunger 222, which surpasses the active force of helical spring 224, so as to plunger 222, admittedly
It is moved upward due to the spool stent 225 of the plunger 222 and by the spherical spool 212 that the spool stent 225 is kept.
It is moved upward by spool 212, so as to which valve port 211f is opened, solenoid valve 200 becomes valve opening state.As a result,
The fluid of inflow from the first connector 201 by ingress port 211a, valve chamber 211c, valve seat 211d, outlet port 211b, to second
Connector 202 is discharged.
When solenoid valve 200 is made to become closed valve state from valve opening state, the energization from lead 233 to coil 232 is cut off, is made
Attractor 232 and 222 demagnetization of plunger.The adsorption capacity between attractor 223 and plunger 222 disappears as a result, because of helical spring 224
Active force, plunger 222 is fixed on the spool stent 225 of the plunger 222 and keeps spherical by the spool stent 225
Spool 212 moves downwards, closes the valve port 211f set on valve seat 211d, so as to which solenoid valve 200 becomes closed valve state.
In the present embodiment, as the structure for having spool stent 225 and valve spring 226 in the lower end of plunger 222, the knot
Structure is the structure that type solenoid valve is corresponded to the high pressure of the effect head pressure of spool 212.It is, in valve closing, first, spool 212
It is contacted with valve port 211f, then, the bottom surface of spool stent 225 is contacted with the lower surface of valve chamber 211c, in the state of two sides contact
Under, closed valve state is kept, therefore impact when spool 212 and valve port 211f contacts is smaller, it is therefore prevented that deformation, even if for a long time
During using valve, the flowing of fluid can be also prevented, when valve closing can carry out taking a seat for stable valve, can prevent valve from leaking.Separately
Outside, in valve opening, can prevent the spool 212 in spool stent 225 beat caused by abnormal sound generation.By making this
The structure of sample is, it can be achieved that the high pressure for acting on spool 212 head pressure corresponds to type solenoid valve.But the present invention is not limited to this
Structure can also be applied in his structure.
Next, to the cylinder filter 213, cyclic annular fixed component 214 and the buffering that are used in the valve gear of the present invention
Component 215 illustrates.
Cylinder filter 213 is that metal wire is woven into the sintered body that cylindrical shape forms, itself is the more of high intensity
Hole body keeps shape with itself.As shown in figure 3, cylinder filter 213 is in the inside of the inner wall of the valve chamber 211c of valve body 211,
It is configured around the spool stent 225 for keeping spool 212.In addition, cylinder filter 213 makes cylindrical shape herein, but simultaneously
This is defined in, as long as barrel shape just can use.
Cyclic annular fixed component 214 is substantially cylindrical shape, and flange 214a is equipped on top.The lower surface of flange 214a
Stage portion 214b is contacted with the stage portion 211e of valve body 211, for the positioning of cylinder filter 213.
Buffer unit 215 be in order to mitigate the metallic sound that the collision of the bottom surface of valve chamber 211c and spool stent 225 generates and
And if in the component of annulus shape of the center with circular through hole 215a.As the material of buffer unit 215, Neng Goushi
Fluororesin, PAI resins, PEEK resins, the vulcanies such as locality selection PTFE deform when being difficult to because impact and will not be controlled
The materials of the fluid damages of object processed uses.Buffer unit 215 is being configured at the valve seat 211d in the bottom surface of valve chamber 211c
Provided around after stage portion 211h, contacted at an upper portion thereof with the lower surface 213b of cylinder filter 213 with buffer unit 215
Mode cylinder filter 213 is configured, then, with the upper surface 213a of cylinder filter 213 under cyclic annular fixed component 214
The press-in of cyclic annular fixed component 214 is fixed on valve body 211 by the mode of surface 214c contacts.In addition, utilizing cylinder filter
213 or in the case that cyclic annular fixed component 214 fixes (pressing abuts) buffer unit 215, even if increasing buffer unit 215
Outer diameter tolerance also can allow for.And it has the following advantages:Even if due to fluid expansion or high temperature when impact and creep,
The size of buffer unit 215 radially becomes larger outside, can also be included in stage portion.
Cyclic annular fixed component 214 is when being pressed into fixed, the generally half point in cyclic annular 214 periphery of fixed component, outer diameter ratio
Pass through the side with valve chamber 211c set on the slightly larger part of the internal diameter of the valve chamber 211c than flange 214a on the lower, that is, press-in face 214d
In wall than flow path portion 211g against the top and be in contact to fix than the parts of stage portion 211e on the lower.
Cylinder filter 213 is configured to, in order not to be passed to the foreign matter contained by the fluid flowed into from ingress port 211a
Spool 212 and valve port 211f inside valve chamber 211c, and cyclic annular fixed component 214 is utilized to be supported from upper surface 213a,
So that lower surface 213b is close to the buffer unit 215 of the stage portion 211h set on valve chamber 211c.Cyclic annular fixed component 214 it is convex
The stage portion 214b of edge 214a is contacted by the stage portion 211e on the top with the valve chamber 211c set on valve body 211, to carry out
The positioning of short transverse.
It is filtered from the first connector 201 by the fluid that ingress port 211a is flowed by being set on the cylinder inside valve chamber 211c
The flow path portion 211g partially as negative area of the periphery of device 213, is looped around around cylinder filter 213, by cylinder
Filter 213 is whole to flow into that there are inside the valve chamber 211c of spool 212 and valve seat 211d as flow path.Therefore, it is possible to
Reduce the pressure loss, and big flow can be obtained.In addition, in the present embodiment, using flow path portion 211g as in valve chamber 211c
Negative area, as long as but flow path portion 211g be provided with space between valve body 211 and cylinder filter 213, for example,
It is the shape that top is broad, lower part is narrow, then if the shape of cylinder filter 213 is not cylinder, but as funnel shaped
The space of fluid flowing is formd, therefore does not need to especially set negative area in valve chamber 211c.In addition, due to cylinder filter
213 are set in a manner of covering spool 212 and valve seat 211d, therefore absorb sound when valve is taken a seat, and improve quietness.
Buffer unit 215 is equipped with through hole 215a in center, the central portion positioned at the bottom surface of metal valve chamber 211c
Valve port 211f set on valve seat 211d is directly contacted with metal spool 212.Thereby, it is possible to maintain for the durable of valve leakage
Property, workability.In contrast, since the metal spool stent 225 being set on around spool 212 connects with buffer unit 215
It touches, therefore the metallic sound that the bottom surface of valve chamber 211c is generated with the collision of spool stent 225 can be mitigated.There is not only sound in metallic sound
Amount and sound quality also ear-piercing situation for a user, by setting buffer unit 215, sound quality also changes, Neng Gougai
Kind volume and sound quality.
Buffer unit 215 is embedded in the stage portion 211h set in the bottom surface of valve chamber 211c, is matched with the depth of counterbore, appoints
The thickness of meaning can be applied.In the case where the counterbore of intensification stage portion 211h thickeies the thickness of buffer unit 215, also can
It is enough that buffer unit 215 is pressed into valve body 211 and is firmly fixed.In addition, by the way that the thickening of buffer unit 215 is equivalent to counterbore
Amount, the effect of metallic sound that the collision so as to expect to further improve mitigation and spool stent 225 generates.
In addition, the surface due to buffer unit 215 does not hinder the flowing of fluid, therefore, it is desirable to be with valve seat 211d and other
The bottom surface of valve chamber 211c does not have step difference and is in same plane.Thereby, it is possible to not have a negative impact to working performance, flow
Mitigate metallic sound in ground.In addition, in the present embodiment, it is different components to make buffer unit 215 and cylinder filter 213, but
A component can be made by being integrally formed, so as to reduce fee of material, assembling working hour.
In addition, the cylinder filter 213 of present embodiment and cyclic annular fixed component 214 are equivalent to cartridge.
As described above, valve gear according to the present embodiment, slow by being set in the contact surface of valve body and spool stent
Component is rushed, so as to mitigate metallic sound during valve closing.In addition, valve seat and spool can be metal, so as to maintain to be directed to
Durability, the workability of valve leakage.In addition, since cylinder filter is configured from the top of the buffer unit set on valve chamber bottom,
And press-in fixation is carried out to cyclic annular fixed component, so as to fix buffer unit in manufacturing man-hours few method.
Next second embodiment of the present invention is illustrated.
Fig. 4 is the major part near the valve body portion of the solenoid valve 400 of the second embodiment of the valve gear of the present invention
Assembling figure.Fig. 5 is the sectional view for representing the major part near the valve body portion of solenoid valve 400 shown in Fig. 4.
The solenoid valve 400 of the second embodiment of the valve gear of the present invention is eliminating cylinder filter 213, only by ring-type
The solenoid valve 200 of the first embodiment of the valve gear of fixation 215 this point of buffer unit of fixed component 414 and the present invention is not
Together, other inscapes are identical.In addition, in Fig. 4, Fig. 5, it will for the composition identical with the inscape in Fig. 2, Fig. 3
Element marks identical symbol to represent, and omits its repeated explanation.
Cyclic annular fixed component 414 is substantially cylindrical shape, and flange 414a is equipped on top.Following table as flange 414a
The stage portion 414b in face is contacted with the stage portion 211e of valve body 211, for fixing positioning during buffer unit 215.In addition,
The lower part of cyclic annular fixed component 414, the through hole 414e equipped with round everywhere, the through hole 414e of the round be used for for from
First connector 201 is passed through by the ingress port 211a fluids flowed into.In addition, through hole 414e everywhere is set herein, but not
This is defined in, can be at one, or many places other than it.
Cyclic annular fixed component 414 is configured to, and the valve seat 211d in the bottom surface of valve chamber 211c is configured in buffer unit 215
Provided around after stage portion 211h, will at an upper portion thereof in a manner that the lower surface 414c with cyclic annular fixed component 414 is contacted
Valve body 211 is fixed in the cyclic annular press-in of fixed component 414.When the press-in is fixed, outer diameter is than being set on cyclic annular fixed component 414
Slightly larger part, that is, press-in face the 414d of the internal diameter of the valve chamber 211c on the top of periphery by be in contact with the side wall of valve chamber 211c come
It is fixed.
In addition, the cyclic annular fixed component 414 of present embodiment is equivalent to cartridge.
As described above, valve gear according to the present embodiment, can also obtain effect identical with first embodiment.And
And it as the component of fixed buffer unit, other than cylinder filter, using only cyclic annular fixed component, therefore can reduce
Fee of material and manufacturing man-hours.
Next, third embodiment of the present invention is illustrated.
Fig. 6 is the major part near the valve body portion of the solenoid valve 600 of the third embodiment of the valve gear of the present invention
Assembling figure.Fig. 7 is the sectional view for representing the major part near the valve body portion of solenoid valve 600 shown in fig. 6, and Fig. 7 (a) is
The sectional view of major part near valve body portion, Fig. 7 (b) are the stage portions of the buffer unit 615 shown in the VIIB of Fig. 7 (a)
Enlarged drawing near 615b.
The solenoid valve 600 of the third embodiment of the valve gear of the present invention is in addition on the peripheral part surface of buffer unit 615
Equipped with for carrying out the looking for other than the stage portion 615b of position of cylinder filter 213, the valve of other inscapes and the present invention fills
The solenoid valve 200 for the first embodiment put is identical.In addition, in Fig. 6, Fig. 7, for the inscape phase in Fig. 2, Fig. 3
Same inscape, marks identical symbol to represent, and omit its repeated explanation.
Buffer unit 615 is the component in annulus shape of the central portion with circular through hole 615a, and in periphery
Portion surface is equipped with the stage portion 615b for looking for position for carrying out cylinder filter 213.By setting stage portion 615b, so as to circle
The lower surface 213b of cylinder filter 213 is contacted with the stage portion 615b of buffer unit 615, and cylinder filter 213 is configured at correctly
Position.In addition, in the present embodiment, make the knot in the surface top of buffer unit 615 configuration cylinder filter 213
Structure, but cylinder filter 213 can also be removed as shown in second embodiment, cyclic annular fixed component 414 is directly configured at slow
Rush the surface top of component 615.
In addition, the cylinder filter 213 of present embodiment and cyclic annular fixed component 414 are equivalent to cartridge.
As described above, valve gear according to the present embodiment, can also obtain identical with first and second embodiment
Effect.Also, stage portion is set by the peripheral part on the surface top of buffer unit, it is correct so as at an upper portion thereof
Cylinder filter or cyclic annular fixed component is configured in position.
Next, the 4th embodiment of the present invention is illustrated.
Fig. 8 is near the valve body portion of the solenoid valve 800 of the 4th embodiment of the valve gear that amplification represents the present invention
Sectional view, Fig. 8 (a) are the enlarged drawings near valve body portion, and Fig. 8 (b) is that the buffer unit 815 shown in the VIIIB of Fig. 8 (a) is attached
Near enlarged drawing.
The solenoid valve 800 of 4th embodiment of the valve gear of the present invention is in addition to replacing the buffer unit set on valve chamber 211c
215, and buffer unit 815 is configured in the stage portion 811h in the part contacted with plunger 222 of the topmost set on valve body 811
In addition, other inscapes are identical with the solenoid valve 200 of the first embodiment of the valve gear of the present invention.In addition, Fig. 8,
In Fig. 9, for the inscape identical with the inscape in Fig. 2, Fig. 3, identical symbol is marked to represent, and it is heavy to omit its
Multiple explanation.
Buffer unit 815 is set and as ring to mitigate the metallic sound that the collision of valve body 811 and plunger 222 generates
Shape as material, can suitably select the fluororesin such as PTFE, PAI resins, PEEK resins, vulcanie when being difficult to because impact
Deformation, and the material that will not be controlled the fluid damages of object uses.Buffer unit 815 is configured to, in its lower surface
It equipped with stage portion 815b, is configured in stage portion 811h, stage portion 811h is arranged on the topmost and plunger of valve body 811
The part of 222 contacts.Buffer unit 815 is pressed into the stage portion 811h for being fixed on valve body 811.
As described above, valve gear according to the present embodiment, can also obtain identical to third embodiment with first
Effect.In addition, the counterbore processing that the bottom surface that need not carry out valve chamber is difficult to realize just can have buffer unit, valve master can be mitigated
The metallic sound that the collision of body and plunger generates.
Next, the 5th embodiment of the present invention is illustrated.
Fig. 9 is near the valve body portion of the solenoid valve 900 of the 5th embodiment of the valve gear that amplification represents the present invention
Sectional view.
The solenoid valve 900 of 5th embodiment of the valve gear of the present invention utilizes 916 stationary ring of weld part in addition to having
Fixed component 914 rather than press-in are fixed on other than the structure of valve body 911, the valve gear of other inscapes and the present invention
First embodiment solenoid valve 200 it is identical.It in fig.9, will for the composition identical with the inscape in Fig. 2, Fig. 3
Element marks identical symbol to represent, and omits repeated explanation.
The step towards the acclivitous taper in periphery is formed in the lower surface of the flange 914a of cyclic annular fixed component 914
Portion 914b.The part on the inclined-plane of the stage portion 914b of the taper is contacted with the corner of the stage portion 911e of valve body 911, this connects
Contact is fixed by resistance welding as weld part 916.Therefore, it is intended that in the stage portion 914b of cyclic annular fixed component 914
Downside, equipped with for making the corner of the stage portion 911e of valve body 911 and the stage portion 914b of the taper of cyclic annular fixed component 914
The recessed portion 914e reliably contacted.In addition, the shape or welding method of cyclic annular fixed component 914 are as shown below, it is unlimited
Due to shape described herein, method.
Figure 10 represents for cyclic annular fixed component to be fixedly welded on the other shapes of valve body.
Figure 10 (a) amplifications represent the shape identical with Fig. 9, in the lower surface shape of the flange 914a of cyclic annular fixed component 914
Into by the stage portion 914b towards the acclivitous taper in periphery.The part on the inclined-plane of the stage portion 914b of the taper and valve master
The corner contact of the stage portion 911e of body 911, the contact point are fixed by weld part 916.
In Figure 10 (b), the stage portion of plane is formed in the lower surface of the flange 1014a of cyclic annular fixed component 1014
1014b.The stage portion 1014b of the plane is contacted with a part of the stage portion 1011e of valve body 1011, which passes through weldering
Socket part 1016 and fix.
In Figure 10 (c), it is formed in the lower surface of the flange 1014Aa of cyclic annular fixed component 1014A downward towards periphery
The stage portion 1014Ab of inclined taper.The front end of the stage portion 1014Ab of the taper and the stage portion of valve body 1011A
The part contact of 1011Ae, the contact point are fixed by weld part 1016A.
In Figure 10 (d), the stage portion of plane is formed in the lower surface of the flange 1014Ba of cyclic annular fixed component 1014B
1014Bb.The stage portion 1014Bb of the plane is contacted, but with the stage portion 1011Be of valve body 1011B by welding and fixed
Weld part 1016B becomes the end face 1011Bi on the front end of the upper surface of flange 1014Ba and the top of valve body 1011B.Due to weldering
Socket part is exposed, therefore under the form, can use the various welderings such as TIG (Tungsten Inert Gas) welding or laser welding
It connects.
In Figure 10 (e), in cyclic annular fixed component 1014C, the step of plane is formed in the lower surface of flange 1014Ca
Portion 1014Cb is formed with protrusion 1014Cf in the front end of the upper surface of flange 1014Ca.In the upper surface of valve body 1011C
The front end of end face 1011Ci is also formed with protrusion 1011Cj, and protrusion 1014Cf is contacted with protrusion 1011Cj, the contact point
It is fixed by weld part 1016C.Since weld part exposes, under the form, TIG weld or laser welding can be used
Etc. various welding.
In addition, the cylinder filter 213 of present embodiment and cyclic annular fixed component 914,1014,1014A, 1014B,
1014C forms cartridge.
As described above, valve gear according to the present embodiment, can also obtain effect identical with first embodiment.Separately
Outside, even with being welded and fixed, also can be identical with above-mentioned press-in fixation cyclic annular fixed component is fixed on valve body.
Next, the sixth embodiment of the present invention is illustrated.
Figure 11 (a) is that the valve body portion of the solenoid valve 1100 of the sixth embodiment for the valve gear that amplification represents the present invention is attached
Near sectional view, Figure 11 (b) are to represent the stereogram with slit fixed component 1114, and Figure 11 (c) is to represent standing for liner 1115
Body figure.
The solenoid valve 1100 of the sixth embodiment of the valve gear of the present invention is other than having following form, other structures
Identical with the solenoid valve 200 of the first embodiment of the valve gear of the present invention into element, solenoid valve 1100 is as cyclic annular fixed part
Part includes band slit fixed component 1114 and liner 1115, is fixed on valve body using the elastic force with slit fixed component 1114
1111.In fig. 11, for the inscape identical with the inscape in Fig. 2, Fig. 3, identical symbol is marked to represent, and
Omit repeated explanation.
Band slit fixed component 1114 has elasticity, is with the c-type shape that slit is formed in a cricoid part
Component.Will pad 1115 be inserted into valve body 1111 after, the tapered portion with slit fixed component 1114 along valve body 1111
The bottom surface side of 1111i towards valve chamber 1111c are inserted into.At this point, diameter design obtains slightly larger 1,114 1 lateral dominance of band slit fixed component
The width that slit 1114c is reduced with its elastic force is received into valve chamber 1111c on one side.It is received into the band slit fixed part of valve chamber 1111c
Part 1114 is fixed on valve body 1111 using the reaction force of its elastic force.
Liner 1115 is the component for the annulus shape that the foreign matter in order to prevent in fluid enters inside solenoid valve and sets.Cause
This, after cylinder filter 113 is inserted into valve body 1111 and before being inserted into slit fixed component 1114, is inserted into liner
1115。
In addition, the cylinder filter 213 of present embodiment, band slit fixed component 1114 and liner 1115 are equivalent to
Cartridge.
As described above, valve gear according to the present embodiment, can also obtain effect identical with first embodiment.Separately
Outside, as cyclic annular fixed component, using band slit fixed component, also cyclic annular fixed component can be fixed on valve using the elastic force
Main body.
In addition, the valve gear as the present invention, is illustrated, but simultaneously using the solenoid valve of the fluid control of closed type
This is not limited to, can also apply to flow control valve etc. with other mutually isostructural valve gears.Also, fluid is not special
It limits, can use, it is expected that identical effect.
It is as discussed above, valve gear according to the present invention, by setting buffer unit in contact surface and can
Mitigate the metallic sound generated due to valve body contact with spool stent.In addition, valve seat and spool can be metal, so as to
Maintain the durability for valve leakage, workability.In addition, from the top of the buffer unit set on valve chamber bottom configuration cylinder filtering
Device, and be fixed, therefore buffer unit can be fixed with manufacturing man-hours few method with cyclic annular fixed component.
Claims (12)
1. a kind of valve gear, has:
Plunger can move together in order to which the valve port for being set on valve seat is opened and closed in plunger tube with spool;And
Valve body, at least have connect with the first connector ingress port, connect with the second connector outlet port, with it is above-mentioned
Ingress port and above-mentioned outlet port connect and accommodate the valve chamber of above-mentioned spool and the above-mentioned valve contacted with above-mentioned spool
Seat,
Above-mentioned valve gear is characterized in that,
Has buffer unit, which is configured between above-mentioned valve body and above-mentioned plunger, and is configured on being set to
The stage portion of valve body is stated,
With above-mentioned cartridge and above-mentioned valve body to this in a manner that the lower surface of cartridge is contacted with above-mentioned buffer unit
Buffer unit is clamped.
2. valve gear according to claim 1, which is characterized in that
Above-mentioned buffer unit is annulus shape.
3. valve gear according to claim 2, which is characterized in that
Around the above-mentioned valve seat of bottom surface that the stage portion for being set to above-mentioned valve body is formed in above-mentioned valve chamber,
Above-mentioned buffer unit is configured at above-mentioned stage portion.
4. valve gear according to claim 3, which is characterized in that
In order to be fixed from the face of the opening portion side of the above-mentioned valve body of above-mentioned buffer unit, have and be configured at above-mentioned valve chamber
Inside above-mentioned spool around and be fixed on the cartridge of above-mentioned valve body.
5. valve gear according to claim 4, which is characterized in that
Above-mentioned valve body is fixed in above-mentioned cartridge press-in.
6. valve gear according to claim 4, which is characterized in that
Above-mentioned cartridge is fixedly welded on above-mentioned valve body.
7. valve gear according to claim 4, which is characterized in that
Above-mentioned cartridge has:
Band slit fixed component, slit is formed in a cricoid part;And
Liner is set on the bottom surface side of the above-mentioned above-mentioned valve chamber with slit fixed component.
8. according to the valve gear described in any one of claim 4~7, which is characterized in that
Above-mentioned cartridge has:
Cartridge filter, around the above-mentioned spool for the inside for being configured at above-mentioned valve chamber, the above-mentioned valve chamber of the cartridge filter
The face of bottom surface side contacted with above-mentioned buffer unit;And
Cyclic annular fixed component, in order to fix above-mentioned buffer unit and above-mentioned cartridge filter, and to above-mentioned cartridge filter
The face of opening portion side of above-mentioned valve body be supported and be fixed on above-mentioned valve body.
9. according to the valve gear described in any one of claim 3~7, which is characterized in that
The bearing surface abutted with above-mentioned plunger and above-mentioned valve seat for being configured at the above-mentioned buffer unit of above-mentioned stage portion do not have ladder
Difference and in same plane.
10. according to the valve gear described in any one of claim 4~7, which is characterized in that
Above-mentioned buffer unit has the stage portion of the peripheral part of bearing surface for being set on and being abutted with above-mentioned plunger,
The face of the bottom surface side of the above-mentioned valve chamber of above-mentioned cartridge and the periphery of the above-mentioned plunger bearing surface of above-mentioned buffer unit
The stage portion contact in portion, aligns above-mentioned cartridge.
11. valve gear according to any one of claims 1 to 7, which is characterized in that
Above-mentioned plunger has:
Spool stent is fixed on the bottom surface side of above-mentioned valve chamber and keeps spherical spool internal;And
Valve spring is configured in above-mentioned spool stent and above-mentioned spool is reinforced to valve closing direction.
12. valve gear according to any one of claims 1 to 7, which is characterized in that
Above-mentioned valve gear is solenoid valve.
Applications Claiming Priority (4)
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JP2014-197188 | 2014-09-26 | ||
JP2014197188 | 2014-09-26 | ||
JP2015131490A JP6218777B2 (en) | 2014-09-26 | 2015-06-30 | Valve device |
JP2015-131490 | 2015-06-30 |
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CN105465389A CN105465389A (en) | 2016-04-06 |
CN105465389B true CN105465389B (en) | 2018-07-10 |
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CN201510616282.2A Active CN105465389B (en) | 2014-09-26 | 2015-09-24 | Valve gear |
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JP6947652B2 (en) * | 2018-01-12 | 2021-10-13 | 株式会社鷺宮製作所 | solenoid valve |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN201373164Y (en) * | 2009-03-23 | 2009-12-30 | 浙江盾安禾田金属有限公司 | Solenoid valve |
CN103968136A (en) * | 2013-02-01 | 2014-08-06 | 浙江三花汽车零部件有限公司 | Electromagnetic valve |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
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JPS6389477U (en) * | 1986-12-02 | 1988-06-10 | ||
JPH0626780Y2 (en) * | 1989-05-17 | 1994-07-20 | 株式会社不二越 | Low noise electromagnetic poppet valve |
JP2003301962A (en) * | 2002-04-12 | 2003-10-24 | Saginomiya Seisakusho Inc | High-pressure compatible solenoid valve |
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2015
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Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN201373164Y (en) * | 2009-03-23 | 2009-12-30 | 浙江盾安禾田金属有限公司 | Solenoid valve |
CN103968136A (en) * | 2013-02-01 | 2014-08-06 | 浙江三花汽车零部件有限公司 | Electromagnetic valve |
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