CN203571179U - Guiding type solenoid valve - Google Patents
Guiding type solenoid valve Download PDFInfo
- Publication number
- CN203571179U CN203571179U CN201320724445.5U CN201320724445U CN203571179U CN 203571179 U CN203571179 U CN 203571179U CN 201320724445 U CN201320724445 U CN 201320724445U CN 203571179 U CN203571179 U CN 203571179U
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- Prior art keywords
- valve
- piston
- projection
- mentioned
- area
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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- 230000001174 ascending effect Effects 0.000 claims description 9
- 239000012530 fluid Substances 0.000 abstract description 7
- 230000000694 effects Effects 0.000 abstract description 2
- 230000007423 decrease Effects 0.000 description 4
- 238000005259 measurement Methods 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910001369 Brass Inorganic materials 0.000 description 1
- 239000010951 brass Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Images
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
- 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
- F16K31/0644—One-way valve
- F16K31/0655—Lift valves
-
- 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
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/02—Construction of housing; Use of materials therefor of lift valves
- F16K27/029—Electromagnetically actuated valves
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F7/00—Magnets
- H01F7/06—Electromagnets; Actuators including electromagnets
- H01F7/08—Electromagnets; Actuators including electromagnets with armatures
- H01F7/16—Rectilinearly-movable armatures
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Mechanical Engineering (AREA)
- Power Engineering (AREA)
- Magnetically Actuated Valves (AREA)
- Fluid-Driven Valves (AREA)
Abstract
The utility model provides a guiding type solenoid valve. Protrusions (11a) are arranged on the periphery of an opening part, facing a secondary connector (22) side from a guiding port (1a) of a piston valve (1), of a conduction path (1b). The effect of flowing of fluid from a primary side is restrained through the protrusions (11a). The ratio A of the length (d) of the protrusions (11a) to the increasing amount (D) of the piston valve (1) and the ratio B of the area, namely the protrusion area (s), of the plane perpendicular to the axis (L) of the protrusions (11a) to the caliber area (S) of a main valve port (24a) conforms the relation: 0.4<=A<=1.0 and 0<B<=0.08. According to the guiding type solenoid valve, the pressure of the space of the piston back can be released towards the secondary side easily, stable actions of the piston valve is achieved, and reducing of full flow (a full open Cv value) is prevented.
Description
Technical field
The utility model relates to a kind of guide electromagnetic valve, its with and first side joint and second side joint between the opposed mode of primary valve in piston chamber, arrange piston valve, and with pilot valve, open the pilot port of closure piston valve, utilize the pressure in the plunger backer space in piston chamber and the pressure difference of first side joint pressure to open primary valve.
Background technique
In the past, as guide electromagnetic valve, there is the disclosed solenoid valve of for example Japanese kokai publication hei 11-344145 communique (patent documentation 1).In addition, Fig. 8 is the figure that represents an example of guide electromagnetic valve in the past.At main part 2, between first side joint 21 and second side joint 22, form next door 23, the upper end side of next door 23 is formed with main valve seat 24.On main valve seat 24, be formed with the primary valve 24a of rounded opening.On main part 2, by screwing togather, be fixed wtih circular cylindrical shell 3.
The inner side of circular cylindrical shell 3 is formed as piston chamber 31 cylindraceous, at the interior piston valve 4 that is inserted with substantial cylindrical shape of this piston chamber 31.Piston valve 4 has metal piston portion 41 and is disposed in the resinous sealed department 42 of its lower end.At the center of piston valve 4, be formed with pilot port 4a and guiding path 4b, pilot port 4a is via guiding path 4b and 22 conductings of second side joint.
When the electromagnetic coil 54 to electromagnetic drive part 5 is not switched on, the 6b of pin portion of guide valve blocks 6 makes pilot port 4a in closing valve state.If switch on to electromagnetic coil 54, plunger 53 rises, and the boss part 53a of plunger 53 also engages with the upper end butt of guide valve blocks 6.Thus, plunger 53 rises together with guide valve blocks 6.Thereafter, plunger 53 is with attractor 52 butts and plunger 53 stops, and guide valve blocks 6 further rises because of the spring force of pilot valve spring 61.
Then, if guide valve blocks 6 stops and pilot port 4a standard-sized sheet with plunger 53 butts, the fluid of the plunger backer space on piston valve 4 tops (piston chamber 31) goes out to secondary joint 22 effluents via pilot port 4a and guiding path 4b, the pressure drop in the plunger backer space on piston valve 4 tops.Thus, the pressure difference of the pressure (pressure of first side joint 21) by the pressure in plunger backer space and the bottom of piston valve 4, piston valve 4 rises, primary valve 24a standard-sized sheet, fluid flows to secondary joint 22 from a joint 21.
Prior art
Patent documentation
Patent documentation 1: Japanese kokai publication hei 11-344145 communique
In this guide electromagnetic valve, utilization acts on the plunger backer space pressure of piston valve and the pressure official post guide electromagnetic valve of first side pressure becomes full-gear.In addition,, the needed MIN pressure difference of action of carrying out this piston valve rising and becoming stable full-gear is called to " minimum movements pressure difference ".
Like this, in guide electromagnetic valve, need to, higher than the pressure difference of minimum movements pressure difference, when pilot valve, open after valve, the pressure in plunger backer space needs step-down.But, in guide electromagnetic valve in the past, existence when driving valve due to the jet efflux of the fluid coming from effluent, the pressure in plunger backer space can not properly discharge to second side, and piston valve is difficult to standard-sized sheet (middle halted state) or is difficult to out the worry of valve (not meeting the state of minimum movements pressure difference).
In addition,, although patent documentation 1 discloses the piston valve of the projection of the second side with piston valve, this projection arranges in order to reduce opening area when primary valve starts out valve.Although can suppress to a certain extent, from the jet efflux of the fluid of an effluent, not disclose the concrete formation of the detailed conditions of projection by this projection, leave the leeway of improvement.
Model utility content
The utility model completes in order to solve as above problem points, and its problem is, in guide electromagnetic valve, the pressure in plunger backer space when piston valve starts out valve is easily discharged to second side, realizes the action of stable piston valve.
The guide electromagnetic valve of technological scheme 1, it is that the mode that is opposite to the primary valve between first side joint and second side joint arranges piston valve in piston chamber, and by pilot valve, opened the pilot port of closure piston valve, utilize the pressure difference of plunger backer space pressure in piston chamber and first side joint pressure primary valve to be opened to the guide electromagnetic valve of valve, above-mentioned guide electromagnetic valve is characterised in that, around the opening portion unlimited to above-mentioned secondary joint side from above-mentioned pilot port of above-mentioned piston valve, projection is set, the length of above-mentioned projection and above-mentioned piston valve from closing the ratio A of valve state to the ascending amount till full-gear, and meet following condition with the ratio B that the area of rectangular of the axis of above-mentioned projection is the bore area of projection area and above-mentioned primary valve:
0.4≤A≤1.0…（1），
0＜B≤0.08…（2）。
Effect of the present utility model is as follows.
According to scheme 1 guide electromagnetic valve, because meet the condition of above-mentioned (1) and (2), so projection has suppressed the impact mobile from the fluid of first side, and the pressure that makes plunger backer space is easy to second side discharge, can realize the action of stable piston valve, and projection can choked flow yet to the stream of primary valve, also standard-sized sheet flow (standard-sized sheet Cv value) also can not decline.
Accompanying drawing explanation
Longitudinal section when Fig. 1 is not the switching on of guide electromagnetic valve of mode of execution of the present utility model
Fig. 2 is the figure that represents the piston valve of the guide electromagnetic valve of mode of execution of the present utility model.
Fig. 3 is the figure that represents the full-gear of the piston valve of the guide electromagnetic valve of mode of execution of the present utility model.
Fig. 4 is the figure of the measurement result of minimum movements pressure difference while representing to make the projection length of mode of execution of the present utility model to be changed to ascending amount.
Fig. 5 is the figure of effective vent area during piston valve standard-sized sheet in explanation mode of execution of the present utility model.
Fig. 6 is the graph of a relation with respect to the projection area of projection length in mode of execution of the present utility model.
Fig. 7 (A), Fig. 7 (B), Fig. 7 (C), Fig. 7 (D) and Fig. 7 (E) are the figure that represents the variation of the piston valve of mode of execution of the present utility model.
Fig. 8 is the longitudinal section that represents an example of guide electromagnetic valve in the past.
In figure: 1-piston valve, 1a-pilot port, 1b-guiding path, 11-piston portion, 11a-projection, 12-sealed department, 2-main part, 21-first side joint, 22-second side joint, 24-main valve seat, 24a-primary valve, 3-circular cylindrical shell, 31-piston chamber, 31a-inwall, 5-electromagnetic drive part, 51-plunger tube, 52-attractor, 53-plunger, 54-electromagnetic coil, 6-guide valve blocks, 6b-pin portion, L-axis.
Embodiment
Next, with reference to accompanying drawing, the mode of execution of guide electromagnetic valve of the present utility model is described.Longitudinal section when Fig. 1 is not the switching on of guide electromagnetic valve of mode of execution, Fig. 2 is the figure that represents the piston valve of this guide electromagnetic valve.Difference between guide electromagnetic valve in the past shown in the guide electromagnetic valve of this mode of execution and above-mentioned Fig. 8 is the shape of the piston valve 1 of mode of execution, the element annotation identical symbol identical with above-mentioned Fig. 8 in Fig. 1.In Fig. 1, structure and the action of the key element of other beyond piston valve 1 are consistent with the above-mentioned explanation to Fig. 8, omit the detailed description repeating.
As shown in Figure 1 and Figure 2, the piston valve 1 of mode of execution has the piston portion 11 and the resinous sealed department 12 that is disposed in its lower end of metal system (for example brass).At piston portion 11 center, be formed with pilot port 1a and guiding path 1b, pilot port 1a is by guiding path 1b and 22 conductings of second side joint.
In addition, with piston valve 1(piston portion 11) opposed of primary valve 24a upper, be formed with the projection 11a giving prominence to around the axis L of the opening portion of guiding path 1b cylindricly.In addition, projection 11a is the part till from the surface of sealed department 12 to outstanding front end, the length of this part be " projection length d " (Fig. 2).In addition, Fig. 3 is the figure that represents the full-gear of piston valve 1.Piston valve 1 is full-gear with the state of the upper end butt of piston chamber 31, and the length D shown in Fig. 1 is " the ascending amount D " of piston valve 1.In addition, the front end of projection 11a, by axis L peripheral edge around around the area of circle be " projection area s ".In addition, the bore area of primary valve 24a is denoted as S.
In above formation, the projection 11a of piston valve 1 meets following condition:
d/D＝A
s/S＝B
0.4≤A≤1.0…（1）
0＜B≤0.08…（2）。
Next the result of measuring minimum movements pressure difference to the projection length d of projection 11a is changed describes.
Fig. 4 is the figure of the measurement result of minimum movements pressure difference while representing to make projection length d to be changed to till ascending amount.The ratio of the projection length of transverse axis represents by the value A of projection length d/ ascending amount D, and the minimum movements pressure difference of vertical pivot is that the minimum movements pressure difference during by A=0.15 is made as 1.0 and carried out standardized value.From this measurement result, can distinguish, the ratio of projection length is 0.40 can effectively reduce minimum movements pressure difference when above at the value A of projection length d/ ascending amount D.In addition, the various parameters such as the shape of the bore of change primary valve, the diameter of piston valve, ascending amount, projection are verified, confirm same tendency.
The figure of effective vent area when Fig. 5 is explanation piston valve standard-sized sheet, state when Fig. 5 represents piston valve standard-sized sheet.If by with the end of the projection 11a from piston valve 1 till line segment corresponding to the distance H of the open end of primary valve 24a is designated as P, take axis L as rotating center, line segment P as the area of the side of the solid of rotation (circular cone) of bus be effective vent area.If the bore area of this effective vent Area Ratio primary valve 24a is little, projection 11a declines the flow of primary valve 24a.Therefore,, if the bore area of effective vent Area Ratio primary valve 24a during standard-sized sheet is large, projection 11a just can not make standard-sized sheet flow (standard-sized sheet Cv value) decline.
Fig. 6 is the graph of a relation with respect to the projection area of projection length, and transverse axis is the same with Fig. 4 to be represented the ratio of projection length with the value A of projection length d/ ascending amount D, and vertical pivot represents the ratio of projection area with the value B of projection area s/ opening area S.In addition, the curve in figure is the curve of the state that equates with bore area S of the effective vent area while representing standard-sized sheet.Therefore,, as long as in the region of the downside of this curve, projection 11a just can not make standard-sized sheet flow (standard-sized sheet Cv value) decline.In this region, the region of value A illustrated in fig. 4 more than 0.40 is the region representing with oblique line in figure, stipulates that the value B of the projection area in this region meets following condition, 0 < B≤0.08.
According to above checking, the projection 11a of piston valve 1 is set as meeting to the condition of above-mentioned (1) and (2).Therefore, projection 11a can choked flow to the stream of primary valve 24a, can not make standard-sized sheet flow (standard-sized sheet Cv value) decline yet.In addition, when full cut-off, projection 11a is positioned at primary valve 24a, although fluid produces jet flow from first side to primary valve 24a when starting to open, can stop this jet flow that pilot port is stopped up by projection 11a.Therefore, the pressure in plunger backer space becomes easily to the release of second side, can realize the action of stable piston valve 1.
Fig. 7 (A), Fig. 7 (B), Fig. 7 (C), Fig. 7 (D) and Fig. 7 (E) are the figure that represents the variation of piston valve 1.Fig. 7 (A) is the example of the diameter (increasing projection area) of increase projection 11a.Fig. 7 (B) is the diminish example of (reducing projection area) of the diameter that reduces projection 11a.Fig. 7 (C) is out of shape and the example of fixing seal portion 12 inner-diameter portion whose of piston portion 11.Fig. 7 (D) represents to press sealed department 12 and make the figure of the figure example of the inner-diameter portion whose distortion of piston portion 11 with miscellaneous part.Fig. 7 (E) forms projection 11a at sealed department 12, and the outer radius portion of piston portion 11 is out of shape and the example of fixing seal portion 12.
Claims (1)
1. a guide electromagnetic valve, it is that the mode that is opposite to the primary valve between first side joint and second side joint arranges piston valve in piston chamber, and by pilot valve, opened the pilot port of closure piston valve, utilize the pressure difference of plunger backer space pressure in piston chamber and first side joint pressure primary valve to be opened to the guide electromagnetic valve of valve
Above-mentioned guide electromagnetic valve is characterised in that,
Around the opening portion unlimited to above-mentioned secondary joint side from above-mentioned pilot port of above-mentioned piston valve, projection is set,
The length of above-mentioned projection and above-mentioned piston valve from closing valve state, to the ratio A of the ascending amount till full-gear and with the ratio B that the area of rectangular of the axis of above-mentioned projection is the bore area of projection area and above-mentioned primary valve, meet following condition:
0.4≤A≤1.0…（1），
0＜B≤0.08…（2）。
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2012-250913 | 2012-11-15 | ||
| JP2012250913A JP5648037B2 (en) | 2012-11-15 | 2012-11-15 | Pilot operated solenoid valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203571179U true CN203571179U (en) | 2014-04-30 |
Family
ID=50538910
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320724445.5U Expired - Lifetime CN203571179U (en) | 2012-11-15 | 2013-11-15 | Guiding type solenoid valve |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP5648037B2 (en) |
| KR (1) | KR101658269B1 (en) |
| CN (1) | CN203571179U (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP7189676B2 (en) * | 2018-04-26 | 2022-12-14 | 川崎重工業株式会社 | Poppet type flow control valve |
| KR101999786B1 (en) * | 2018-06-01 | 2019-07-12 | 신영제어기 주식회사 | Valve core and valve |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62146002U (en) * | 1986-03-10 | 1987-09-14 | ||
| JPH01193480A (en) * | 1988-01-28 | 1989-08-03 | Toto Ltd | Solenoid valve |
| JPH0367782U (en) * | 1989-10-27 | 1991-07-02 | ||
| JP2004251462A (en) * | 1995-09-08 | 2004-09-09 | Toto Ltd | Solenoid valve |
| JPH109430A (en) * | 1996-06-26 | 1998-01-13 | Aichi Electric Co Ltd | Solenoid valve |
| JPH11294619A (en) * | 1998-04-06 | 1999-10-29 | Techno Excel Co Ltd | Normally opening pilot type solenoid valve |
| JPH11344145A (en) * | 1998-06-02 | 1999-12-14 | Saginomiya Seisakusho Inc | Solenoid valve |
| JP2000018419A (en) * | 1998-07-06 | 2000-01-18 | Techno Excel Co Ltd | Electromagnetic proportional control valve and electromagnetic proportional control valve device |
| JP4856462B2 (en) * | 2006-04-07 | 2012-01-18 | 株式会社ベン | Solenoid valve with pilot valve |
-
2012
- 2012-11-15 JP JP2012250913A patent/JP5648037B2/en active Active
-
2013
- 2013-10-10 KR KR1020130120631A patent/KR101658269B1/en active IP Right Grant
- 2013-11-15 CN CN201320724445.5U patent/CN203571179U/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| KR101658269B1 (en) | 2016-09-22 |
| JP2014098451A (en) | 2014-05-29 |
| JP5648037B2 (en) | 2015-01-07 |
| KR20140063399A (en) | 2014-05-27 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140430 |
|
| CX01 | Expiry of patent term |