CN1659397A - Solenoid valve - Google Patents

Solenoid valve Download PDF

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Publication number
CN1659397A
CN1659397A CN 03812796 CN03812796A CN1659397A CN 1659397 A CN1659397 A CN 1659397A CN 03812796 CN03812796 CN 03812796 CN 03812796 A CN03812796 A CN 03812796A CN 1659397 A CN1659397 A CN 1659397A
Authority
CN
China
Prior art keywords
valve
exhaust
solenoid
port
air feed
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.)
Pending
Application number
CN 03812796
Other languages
Chinese (zh)
Inventor
桥本岳
保坂周一
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
K K KOGANEI
Koganei Corp
Original Assignee
K K KOGANEI
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by K K KOGANEI filed Critical K K KOGANEI
Publication of CN1659397A publication Critical patent/CN1659397A/en
Pending legal-status Critical Current

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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K31/00Actuating devices; Operating means; Releasing devices
    • F16K31/12Actuating devices; Operating means; Releasing devices actuated by fluid
    • F16K31/42Actuating devices; Operating means; Releasing devices actuated by fluid by means of electrically-actuated members in the supply or discharge conduits of the fluid motor
    • F16K31/423Actuating devices; Operating means; Releasing devices actuated by fluid by means of electrically-actuated members in the supply or discharge conduits of the fluid motor the actuated members consisting of multiple way valves
    • F16K31/426Actuating devices; Operating means; Releasing devices actuated by fluid by means of electrically-actuated members in the supply or discharge conduits of the fluid motor the actuated members consisting of multiple way valves the actuated valves being cylindrical sliding valves

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Magnetically Actuated Valves (AREA)
  • Details Of Valves (AREA)
  • Multiple-Way Valves (AREA)
  • Fluid-Driven Valves (AREA)

Abstract

A main valve stem (17) is provided reciprocaingly in the axial direction in a containing hole (16) formed in a valve casing (20) and output ports (24, 25) are interconnected with an air supply port (21) or exhaust ports (22, 23) by being switched by means of the main valve stem (17). A movable core (36) is reciprocated in the axial direction by conducting a coil (33) at a solenoid section (32) fixed to the valve casing (20), and a pilot valve interlocked with the movable core (36) interconnects an output passage communicating with a pneumatic chamber (29) and an air supply passage (39) communicating with the air supply port (21) or an exhaust passage (42) by switching. A filter (52) for blocking inflow of dust is built in the exhaust passage (42).

Description

Solenoid valve
Technical field
The solenoid valve (electromagneticvalve) of the present invention about being moved by solenoid (solenoid), especially, about making the solenoid valve that uses applicable to pilot operationp (pilot operation) mode by the straight mode of moving the pilot pressure that solenoid valve produced (pilot pressure) the operation main valve axle (main valve shaft) of shape.
Background technique
The position control valve of the flow direction of control air is used in the supply and the control that stops to supply with to the air pressure in air pressure loop, the supply of air pressure and the control of discharge, make cylinder (cylinder) come and go the switching controls etc. of the feeding direction of the air pressure of action, have a plurality of ports (port), the switching state that valve is arranged is two kinds two point valve and three kinds three position valve.So the position control valve of planting is to be that three port solenoid valves of the solenoidal movable core straight moving shape of moving are promptly supplied with pilot pressure by pilot valve (pilot valve) or stopped to be supplied in the main valve axle by electromagnet, and pilot pressure makes the in addition solenoid valve of the indirect action shape of the pilot operationp mode of handover operation of main valve axle thus.
This indirectly solenoid valve of action shape have advantage by the big main valve axle of the changeable steering force of pilot pressure, have with the solenoid valve of single solenoid (single solenoid) type of an operation electriomagnet main valve axle and double solenoid (double solenoid) type with two operation electriomagnet main valve axles.Two point valve of single solenoid type main valve axle when the energising of untiing electromagnet returns in original position.On the one hand, two point valve of bipitch cast are though the main valve axle remains in original position when also a side electromagnet being untied energising to the electromagnet no electric circuit of other party.And the main valve axle became the neutral position when three position valve of bipitch cast was untied energising to two sides' electromagnet, and main valve axle and two point valve are with same action when either party electromagnet energising.
On the one hand, above-mentioned pilot valve is the relation of three port valves of moving shape directly, also can be used as the solenoid valve of monomer.
Any person of single solenoid type and two electric coil types have the occasion used with monomer with, make a plurality of solenoid valves gather the occasion of installing use with accessory or pedestal (block), the pattern of set (type) is called compound (manifold) solenoid valve.The air feed port (air supply port) that the occasion of using with monomer might as well also be switched by the main valve axle fortunately with compound type is though become each stream in succession with the exhaust port, produce the straight moving shape three port solenoid valves of pilot pressure, the opening portion of its exhaust passageway is formed at valve cylinder (valve casing), becomes from solenoid valve and directly discharges in the outside.Again, originally as monomer, the occasion in that the straight three port solenoid valves that move shape use also becomes from valve cylinder with same exhaust passageway and directly discharges to the outside with pilot valve.
Therefore, when entering the slag inclusion of dust etc. in the exhaust passageway of pilot valve, can not be carried out exhaust really from exhaust passageway, pilot valve with fixed sequential (timing) have the problem points that can't move really, again, the relation of exhaust directly to discharge to the outside from guide element (pilot block) also has its exhaust sound to become the problem points of noise.
Summary of the invention
The objective of the invention is to be carried out really solenoid valve is moved smoothly by making from the exhaust of the exhaust passageway of solenoid valve.
Other purpose of the present invention is to make from the exhaust sound of solenoid valve to be suppressed.
Solenoid valve of the present invention comprises valve cylinder, main valve axle, solenoid part, pilot valve (pilot valve) and filter (filter) etc.Wherein, valve cylinder forms accepting hole and is communicated in the air feed port, output port (output port) and exhaust port (air exhaust port).The main valve axle is set as to come and go at above-mentioned accepting hole and moves freely in axle direction, makes above-mentioned output port switch ground and is communicated with above-mentioned air feed port and above-mentioned exhaust port.Solenoid part is installed in above-mentioned valve cylinder, is provided with the energising that utilizes coil can come and go action at axle direction movable core.Pilot valve is installed in above-mentioned valve cylinder with interlock in the mode of above-mentioned movable core, make output channel be communicated in air feed path and exhaust passageway with switching, wherein, output channel is communicated in the air pressure chamber of accommodating above-mentioned piston (piston), and the air feed path is communicated in above-mentioned air port.Filter is located at above-mentioned exhaust passageway, stops dust to flow in the above-mentioned exhaust passageway.
Again, solenoid valve of the present invention is established piston at the two end part of above-mentioned main valve axle, has two pilot valves that utilize each above-mentioned solenoid part to be moved corresponding to the two air pressure chambers of accommodating each piston.More and solenoid valve of the present invention, above-mentioned main valve axle is for being displaced into two positions or three positions.
Solenoid valve of the present invention comprises valve cylinder, solenoid part, switch valve, flap valve (flappervalve) and filter.Wherein, valve cylinder is formed with the air feed path, exhaust passageway and output channel, and, the air feed path forms open end at first valve seat, exhaust passageway is being reverse second valve seat formation open end to above-mentioned first valve seat, output channel makes the air that is flowed out from above-mentioned air feed path be guided in carry-out part.Solenoid part is installed in valve cylinder, is provided with the energising that utilizes coil can come and go action at axle direction movable core.Switch valve is located at above-mentioned movable core, and above-mentioned first valve seat is closed.Flap valve subtend in above-mentioned valve cylinder is disposed in above-mentioned switch valve, utilizes above-mentioned movable core to be driven with above-mentioned second valve seat of switch by interlock latch (pin).Filter is located at above-mentioned exhaust passageway, stops dust to flow in the above-mentioned exhaust passageway.
When of the present invention, make from the indoor air of being discharged of air pressure by the action drives main valve axle of pilot valve, be guided on the relation of the exhaust passageway that is provided with filter, can prevent that the slag inclusion of dust etc. from entering in the exhaust passageway from the outside, can pilot valve be moved.Again, obtain erasure effect, can lower the exhaust sound that air produced that flows out from exhaust passageway by filter.
Description of drawings
Fig. 1 represents the sectional view of the solenoid valve of one embodiment of the invention.
The sectional view that the part of Fig. 2 presentation graphs 1 is enlarged.
Fig. 3 represents the sectional view of the solenoid valve of other embodiments of the invention.
Graphic sign explanation:
The pedestal of valve more than 10
11 solenoid valves
12 air feed paths
13,14 exhaust passageways
15 main valve parts
16 accepting holes
17 main valve axles
18 coating members
19 guide elements
20 valve cylinders
21 air feed ports
22,23 exhaust ports
24,25 output ports
26,27 pistons
Air pressure chambers 28,29
31 air feed paths
32 solenoid parts
33 coils
34 bobbins
35 secured cores
36 movable cores
37 switch valves
38 valve seats
39 air feed paths
40 compression helical springs
41 valve seats
42 exhaust passageways
43 valve retainers
44 flap valves
45 interlock latches
46 through holes
47 helical springs
48 manual buttons
49 installation holes
50 filters
Mode of execution
For above-mentioned principle of the present invention and other purpose, feature and advantage can be become apparent, a preferred embodiment cited below particularly, and cooperate appended graphicly, be described in detail below:
Below, with graphic detailed description the in detail of embodiments of the invention foundation.Fig. 1 represents the sectional view of the solenoid valve of one embodiment of the invention, and Fig. 2 represents the sectional view with the part expansion of Fig. 1.As shown in Figure 1, the width direction of many valves pedestal 10 is installed a plurality of solenoid valves 11, represents to be installed in a plurality of solenoid valves of many valves pedestal 10 one at Fig. 1, many valves pedestal 10 with respectively extend length direction form the air feed stream 12 that is communicated in the air potential source with, two exhaust flow paths 13,14.
Solenoid valve 11 has becomes the main valve of Nogata build parts (block) 15 generally, these main valve parts 15 formed accepting holes 16 with come and go move freely accommodate main valve axle 17 in axle direction.At the fixing coating member (cover block) 18 of an end of main valve parts 15, his end fixed guide parts 19 wait main valve parts 15 thus, and coating member 18 and guide element 19 form valve cylinders 20.
Form air feed port 21 so that air feed stream 12 is communicated with accepting hole 16 at main valve parts 15, form two exhaust ports 22,23 two exhaust flow paths 13,14 respectively are communicated with accepting hole 16.More form output port 24 at main valve parts 15, form output port 25 in the neutral position of air feed port 21 and the exhaust port 23 of other party in the neutral position of an air feed port 21 and a side's exhaust port 22.
So, form the occasion of output ports 24,25 at main valve parts 15, the air pressure that air pressure cylinder (cylinder) is waited is moved machine and is supplied with compressed-air actuated joint and be installed in main valve parts 15.But, also can establish output port 24,25 at many valves pedestal 10 and be communicated in accepting hole 16 corresponding to each solenoid valve 11 in the occasion that many valves pedestal 10 carries a plurality of solenoid valves 11.
Establish a plurality of valve body 17a at main valve axle 17, when main valve axle 17 was displaced into the primary importance of a direction end, as shown in Figure 1, air feed port 21 became connected state with output port 25, and output port 24 becomes connected state with exhaust port 22.To this, when main valve axle 17 is displaced into the second place of his direction end, carries out port and switch, air feed port 21 becomes connected state with output port 24, and output port 25 becomes connected state with exhaust port 23.
One end plunger (piston) 26 of main valve axle 17 disposes than piston 26 bigbore pistons 27 in his end.Form air pressure chamber 28 by coating member 18 and main valve parts 15 and make piston 26 be guided on axle direction freely, form air pressure chamber 29 by guide element 19 and main valve parts 15 and make piston 27 be guided on axle direction freely to slide to slide.
Air feed port 21 is communicated in air pressure chamber 28 by the air feed path 31 that is formed on main valve parts 15, when pressurized air is supplied in air feed port 21, often supplies with pressurized air in air pressure chamber 28, adds thrust to primary importance at main valve axle 17.But, when 28 assemble compressible helical springs (coil spring) are as containing room in the air pressure chamber, also can apply the thrust of same direction by compression helical spring.
At guide element 19 installing solenoid parts 32, as shown in Figure 1, have the bobbin (bobbin) 34 of package coil 33 at this solenoid part 32, in bobbin 34 in the installing secured core 35 installing to move freely in axial plunger (plunger) be movable iron core 36 to come and go.At the switch valve 37 of the tip of movable core 36 installing rubber system, this switch valve 37 becomes can be contacted with first valve seat 38 that is formed on guide element 19.Form the opening portion of air feed paths 39 at this valve seat 38, wherein the air feed path 39, are communicated in air feed port 21 and formed by main valve parts 15 and guide element 19, and this opening portion is by switch valve 37 switch in addition.Make switch valve 37 apply the compression helical spring 40 of spring force to valve seat 38 in movable core 36 installings.Thereby when coil 33 energisings, movable core 36 moves to secured core 35 with anti-spring force, with the opening portion of breakdown air feed path 39, is closed the opening portion of air feed path 39 when untiing energising by spring force.
It is reverse so that valve seat 38 is become to form second valve seat 41 at the opposition side of valve seat 38, establishes the opening portion of the exhaust passageway 42 of the outside that is communicated in guide element 19 at this valve seat 41.Install the valve retainer (holder) 43 of drums at guide element 19 in the mode that covers this valve seat 41, move with switch in valve retainer 43 and assemble flap valve (flapper valve) 44 freely, the opening portion that this flap valve 44 makes exhaust passageway 42 is switch in addition.The a plurality of Zhi Liantong latches 45 of configuration between flap valve 44 and movable core 36, flap valve 44 by interlock latch 45 by in addition switch motion of movable core 36.
Form through hole 46 at valve retainer 43, as shown in Figures 1 and 2, when coil 33 being untied energising, the relation that movable core is pushed to valve seat 38 by spring force becomes switch valve 37 and is contacted with valve seat 38, the state that flap valve 44 leaves from valve seat 41.Thus, air pressure chamber 29 becomes connected state by exhaust passageway 42 and outside, and the air in the air pressure chamber 29 are discharged in the outside, and main valve axle 17 air pressure that are supplied in the air pressure indoor 28 of serving as reasons become primary importance shown in Figure 1.
To this, when coil 33 energisings, flap valve 44 applied relation to the spring force of valve seat 41 by being assembled in helical springs 47 in the valve retainer 43 when switch valve 37 left from valve seat 38, to pass through air feed path 39, by flowing in the air pressure chamber 29 of carry-out part from the output channel that the gap constituted between the hole of interlock latch 45 and its perforation from 21 compressed and supplied air of air feed port.Air pressure chamber 28 two sides, though 29 compressed and supplied air are same pressure, the compression area of piston 27 is set the relation bigger than the compression area of piston 26 for, flap valve 44 be closed and locking to the connection of outside, when supplying with pressurized air in air pressure chamber 29, the position that main valve axle 17 is urged at the left side of Fig. 1 stroke end is the second place.So, switch valve 37 constitutes with flap valve 44 and makes the output channel that is communicated in air pressure chamber 29, switches on the pilot valve that supply passage 39 is communicated with exhaust passageway 42.
On the one hand, movable core 36 is moved so that for the purpose of switch valve 37 leaves from valve seat 38, be provided with manual buttons 48, can not need switch on, main valve axle 17 is moved in coil 33 by manually-operable at guide element 19.
Form installation hole 51 at guide element 19 from end face in succession to institute's depthkeeping degree with main valve parts 15, install filters (filter) 52 at this installation hole 51 to cross exhaust passageway 42, this filter 52 is formed by institutes such as cloth or porous matter resins has most pores, allow that 29 interior air are discharged in the outside from the air pressure chamber, during to outside exhausting air, make exhaust sound noise reduction in addition from air pressure chamber 29.And, prevent that slag inclusion from entering in the exhaust passageway 42 from the outside.
Fig. 3 represents the sectional view of the solenoid valve of other embodiments of the invention, and many valves pedestal 10 shown in Figure 1 is omitted.At Fig. 3, enclose prosign with the common component of Figure 1 and Figure 2 member again.
Respectively establishing the guide element 19 of solenoid part 32 at solenoid valve shown in Figure 3 11 as shown in Figure 1 with the both sides installing of the same main valve parts 15 of that shown in Figure 1.Therefore, this solenoid valve is established two point valve of bipitch cast of the piston 27 of same external diameter at the two ends of main valve axle 17, owing to be installed in exhaust passageway 42 at two filters 52 that concern of two pilot valves of a solenoid valve installing.At the solenoid valve of this pattern, prevent that also slag inclusion from flowing in each exhaust passageway 42.
Though solenoid valve 11 shown in Figure 3 is two point valve, be set in the neutral position as make the main valve axle with spring force, when making main valve axle 17 be displaced into the position of stroke end, become three position valve can make by each pilot valve.
As shown in the figure by switch valve 37 and flap valve 44 formed pilot valves, plunger by solenoid 32 is that movable iron core 36 makes output channel switch on the straight solenoid valve that moves shape that air feed path 39 is communicated with exhaust passageway 42, itself can be used for three port solenoid valves of monomer.Can prevent also that in this kind occasion slag inclusion from flowing in the exhaust passageway 42.
The present invention is defined in the foregoing description, all changes are still arranged in the scope that does not break away from its purport, for example, though Fig. 1 carries the solenoid valve of many valves pattern (manifoldtype) of a plurality of solenoid valves at many valves pedestal 10, solenoid valve shown in Figure 1 11 is used with monomer.
Though the present invention discloses as above with a preferred embodiment; right its is not in order to limiting the present invention, anyly has the knack of this operator, without departing from the spirit and scope of the present invention; can do some and change and retouching, so protection scope of the present invention is as the criterion when looking appended the claim person of defining.

Claims (4)

1. solenoid valve is characterized in that comprising:
One valve cylinder forms an accepting hole and is communicated in an air feed port, an output port and an exhaust port;
One main valve axle is located at this accepting hole in axle direction is round with moving freely, makes this output port be communicated in this air feed port and this exhaust port with switching;
One solenoid part is installed in this valve cylinder, is provided with the energising that utilizes a coil and can comes and goes and move in an axial movable core;
One pilot valve is installed in this valve cylinder with interlock in the mode of this movable core, makes an output channel that is communicated in an air pressure chamber of accommodating a piston, is communicated in an air feed path and an exhaust passageway of this air feed port with switching; And
One filter is installed in this exhaust passageway, stops dust to flow in this exhaust passageway, reduces exhaust sound when exhaust.
2. solenoid valve as claimed in claim 1 is characterized in that, establishes this piston at the two end part of this main valve axle, has respectively two these pilot valves being moved of this solenoid part of utilization corresponding to accommodating two these air pressure chambers of this piston respectively.
3. solenoid valve as claimed in claim 2 is characterized in that, this main valve axle is the solenoid valve that is displaced into two positions or three positions.
4. solenoid valve is characterized in that comprising:
One valve cylinder is formed with:
One air feed path is formed with an open end at one first valve seat;
One exhaust passageway is formed with an open end this first valve seat being one second reverse valve seat; And
One output channel will be guided on a carry-out part from the air that this air feed path is flowed out;
One solenoid part is installed in this valve cylinder, is provided with the energising that utilizes a coil and can comes and goes and move in an axial movable core;
One switch valve is located at this movable core, makes this first valve seat switch in addition;
One flap valve, subtend is disposed in this switch valve in this valve cylinder, utilizes this movable core to be made this second valve seat switch in addition to drive by the interlock latch; And
One filter is located at this exhaust passageway, stops dust to enter in this exhaust passageway, reduces exhaust sound when exhaust.
CN 03812796 2002-06-06 2003-05-28 Solenoid valve Pending CN1659397A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP165277/2002 2002-06-06
JP2002165277A JP2004011735A (en) 2002-06-06 2002-06-06 Solenoid valve

Publications (1)

Publication Number Publication Date
CN1659397A true CN1659397A (en) 2005-08-24

Family

ID=29727588

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 03812796 Pending CN1659397A (en) 2002-06-06 2003-05-28 Solenoid valve

Country Status (4)

Country Link
JP (1) JP2004011735A (en)
CN (1) CN1659397A (en)
TW (1) TWI225913B (en)
WO (1) WO2003104695A1 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105257892A (en) * 2015-08-11 2016-01-20 上海永瑞气动有限公司 Debugging type electromagnetic valve provided with lockable manual button
CN108884948A (en) * 2016-04-11 2018-11-23 博格华纳公司 Three fast acting solenoid valves

Families Citing this family (2)

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Publication number Priority date Publication date Assignee Title
CN102235523B (en) * 2011-03-23 2013-01-02 宁波贝隆精密模塑有限公司 Direct action solenoid valve with switchable operating state
CN115978234B (en) * 2023-01-05 2023-07-14 宁波克泰液压有限公司 Throttle type three-position five-way electromagnetic valve

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105257892A (en) * 2015-08-11 2016-01-20 上海永瑞气动有限公司 Debugging type electromagnetic valve provided with lockable manual button
CN105257892B (en) * 2015-08-11 2019-06-04 上海永瑞气动有限公司 A kind of debugging type solenoid valve with Lockable-type hand push button
CN108884948A (en) * 2016-04-11 2018-11-23 博格华纳公司 Three fast acting solenoid valves
CN108884948B (en) * 2016-04-11 2019-10-18 博格华纳公司 Three fast acting solenoid valves

Also Published As

Publication number Publication date
TWI225913B (en) 2005-01-01
WO2003104695A1 (en) 2003-12-18
TW200409872A (en) 2004-06-16
JP2004011735A (en) 2004-01-15

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