CN205841929U - A kind of diaphragm type pilot control electromagnetic valve - Google Patents
A kind of diaphragm type pilot control electromagnetic valve Download PDFInfo
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- CN205841929U CN205841929U CN201620830851.3U CN201620830851U CN205841929U CN 205841929 U CN205841929 U CN 205841929U CN 201620830851 U CN201620830851 U CN 201620830851U CN 205841929 U CN205841929 U CN 205841929U
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Abstract
This utility model relates to a kind of diaphragm type pilot control electromagnetic valve, and including valve seat, valve seat top is provided with valve gap；Valve gap upper middle position is provided with pilot valve core iron；Pilot valve core iron bottom position is provided with pilot valve seal；Valve gap middle part is provided with conduction element；It is provided with core sleeve outside conduction element, outside core sleeve, is provided with motion limit stops；Motion limit stops bottom is provided with sealing member A；Sealing member B it is provided with between motion limit stops bottom and conduction element；Returning spring it is provided with outside conduction element and between motion limit stops；Through hole it is provided with on valve gap；Valve gap top is provided with pilot valve chamber.Motion limit stops top is provided with multiple projection.The valve seat left and right sides is respectively arranged with valve body import and valve outlet.This utility model can make valve body compact, can reduce again the flow resistance of pilot valve stream so that valve body obtains bigger maximum operating pressure differential allowable.
Description
Technical field
This utility model relates to a kind of diaphragm type pilot control electromagnetic valve, belongs to Solenoid Valve Technology field.
Background technology
Control valve field frequently refers to electromagnetic valve, with the break-make of control system medium, according to difference in functionality in system
Demand, can be divided into again open in usual, normally closed type, can be divided into again Direct Action Type and pilot-operated type, pilot-operated type electricity according to electromagnetic valve internal structure
Magnet valve generally requires by the internal less aperture (pilot valve) of solenoid band moving electromagnetic valve, after pilot valve is opened, can make
The seal-moving part must being sealed on large hole mouth opens bigger valve port (main valve) under the effect of pressure reduction, thus realizes controlling system
The effect of system medium break-make.
In recent years, along with the aggravation of global warming situation, whole world environmental consciousness gradually strengthens, and commonly uses in refrigeration system
The cold-producing medium such as R12, R22 air is had the biggest destructiveness, the most gradually substituted by the environmental protection refrigerant without freon, as
R410A etc., but the evaporating pressure of R410A coolant is bigger than R12, R22, and during refrigerant circulation work, the import and export at electromagnetic valve are formed
Pressure differential relatively big, cause electromagnetic valve must supporting more powerful coil, otherwise will cause electromagnetic valve to open difficult or action not
Reliably, the most how on the premise of supporting smaller power coil, the import and export maximum operating pressure differential that electromagnetic valve can reach is increased
Be we need solve problem.
Increasing of the buildings such as simultaneously incrementally increasing along with individual's living space in recent years, and megastore, Large Copacity
Air conditioning unit demand the most gradually increase, in such large capacity conditioner unit, the capacity bore of electromagnetic valve is also required that
Bigger, however as society's economy consciousness and aesthetic raising, it is desirable to refrigeration system and part need on the premise of meeting function
Further miniaturization, the most to sum up, designs a structure the smallest and the most exquisite but also can be suitable for the electromagnetic valve of bigger evaporating pressure cold-producing medium and be
The problem that we need solution badly.
In prior art, patent CN200620100262 disclose a kind of for refrigeration and industrial circle application for controlling
The sealing member A formula electromagnetic valve of rate-of flow processed, this electromagnetic valve structure pilot valve mouth and the sealing member A sealing primary valve are connected to one
Rise, the most just make the movement travel of pilot valve core iron can become much larger, the most just to supporting along with the increase in primary valve aperture
The power requirement of coil is bigger, and cost is higher, and product also can not be accomplished small and exquisite.
In another one prior art, patent CN200420110999 discloses a kind of heavy caliber guide electromagnetic valve,
Typical guide electromagnetic valve main valve as said above is relevant to pilot valve stroke, along with main valve valve port bore increases, and coil merit
Rate is also with increase, and this patent valve body structure have employed the structure that main valve separates with pilot valve, in the premise not increasing coil power
Under, effectively increasing valve port bore, but described electromagnetic valve body structure is complicated, difficulty of processing is bigger.
Utility model content
The purpose of this utility model is to provide a kind of diaphragm type pilot control electromagnetic valve, and this electromagnetic valve body structure is permissible
Accomplish simple, small and exquisite, make valve body import and export two ends maximum operating pressure differential allowable bigger simultaneously, poor to be suitable for high evaporating pressure
The environmental protection refrigerant without freon.
To achieve these goals, the technical solution of the utility model is as follows.
A kind of diaphragm type pilot control electromagnetic valve, including valve seat, valve seat top is provided with valve gap；Valve gap upper middle position
It is provided with pilot valve core iron；Pilot valve core iron bottom position is provided with pilot valve seal；Valve gap middle part is provided with conduction element；Conducting
Part lower side is provided with core sleeve, is provided with motion limit stops outside core sleeve；Motion limit stops bottom is provided with sealing member
A；Sealing member B it is provided with between motion limit stops bottom and conduction element；It is provided with back outside conduction element and between motion limit stops
Multiple spring；Through hole it is provided with on valve gap；Valve gap top is provided with pilot valve chamber.Motion limit stops top is provided with multiple projection.Valve
The seat left and right sides is respectively arranged with valve body import and valve outlet.
In this electromagnetic valve, core sleeve realizes motion and sealing by sealing member B with the conduction element passed through, and conduction element will
Pilot valve chamber and valve outlet connection, the most just make valve body structure the simplest；Conduction element is fixed on valve gap, in order to realize main
Valve separates with pilot valve, reduces pilot valve opening travel requirement, is provided with returning spring below valve gap, so that valve body is dynamic under low voltage difference
Making more stable, valve gap is provided with through hole and is connected with pilot valve chamber by the cavity below valve gap, above sealing member A；Returning spring one
Section connects valve gap, other end connecting mandrel set.
Further, there is air gap after fitting with valve gap lower surface in motion limit stops upper surface, and air gap can be by valve gap
Through hole turn on pilot valve chamber, the interval of air gap is arranged in motion limit stops, or is arranged on valve gap, the interval setting of air gap
Time in motion limit stops, utilize and projection or groove realization are set in motion limit stops；When the interval of air gap is arranged on valve gap,
Utilize and projection or groove realization are set on valve gap.
Further, passing through sealing member B floating connection and seal between core sleeve and conduction element, sealing member B is that O type seals
Circle, general plug envelope, Glais ring or rectangular loop.
Further, motion limit stops and sealing member A are fixed together by core sleeve.
Having the beneficial effects that of this utility model: electromagnetic valve provided by the utility model is fixed on by using conduction element
On valve gap, and sealing member B is set makes motion limit stops and can flexible motion can reliably seal again with conduction element, so that
Dynamic the moving with motion limit stops of guide valve core Railway transportation is separated, and then can make that the stroke of pilot valve core iron can arrange is less, with
Reduce the requirement to coil power, on the premise of ensureing that valve body has equal maximum operating pressure differential allowable, it is achieved coil is small-sized
Change.This utility model is different from other and pilot valve stream is arranged on the pilot solenoid valve in the middle of non-valve body simultaneously, and pilot valve stream sets
Put in the middle of valve body, valve body both can have been made compact, the flow resistance of pilot valve stream can be reduced again so that valve body obtain bigger allowable
Big operting differential pressure.
Accompanying drawing explanation
Fig. 1 is electromagnetic valve cross-sectional view used in this utility model embodiment 1.
Fig. 2 is partial enlargement structural representation at the I in Fig. 1.
Fig. 3 is the motion limit stops structural representation used in this utility model embodiment 1 in electromagnetic valve.
Fig. 4 is electromagnetic valve cross-sectional view used in this utility model embodiment 2.
Fig. 5 is partial enlargement structural representation at the II in Fig. 4.
Fig. 6 is electromagnetic valve cross-sectional view used in this utility model embodiment 3.
Fig. 7 is partial enlargement structural representation at the III in Fig. 6.
Fig. 8 is electromagnetic valve cross-sectional view used in this utility model embodiment 4.
Fig. 9 is partial enlargement structural representation at the VI in Fig. 8.
Figure 10 is that used in this utility model embodiment 1, after electromagnetic valve valve opening, air gap forms structural representation.
Detailed description of the invention
Below in conjunction with the accompanying drawings detailed description of the invention of the present utility model is described, in order to be better understood from this practicality new
Type.
Embodiment 1
Diaphragm type pilot control electromagnetic valve as shown in Figure 1, Figure 2 and Figure 3, including valve seat 15, valve seat 15 top is provided with
Valve gap 3；Valve gap 3 upper middle position is provided with pilot valve core iron 8；Pilot valve core iron 8 bottom position is provided with pilot valve seal 7；Valve
Cover 3 middle parts and be provided with conduction element 6；Conduction element 6 lower side is provided with core sleeve 10, is provided with motion outside core sleeve 10
Locating part 11；Motion limit stops 11 bottom is provided with sealing member A12；It is provided with between motion limit stops 11 bottom and conduction element 6
Sealing member B5；Returning spring 9 it is provided with outside conduction element 6 and between motion limit stops 11；Through hole 13 it is provided with on valve gap 9；Valve
Cover 9 tops and be provided with pilot valve chamber 14.Motion limit stops 11 top is provided with multiple projection 4.Valve seat 15 left and right sides is respectively provided with
There are valve body import 1 and valve outlet 2.
In this electromagnetic valve, core sleeve 10 realizes motion and sealing, conducting by sealing member B5 with the conduction element 6 passed through
Pilot valve chamber 14 and valve outlet 2 are connected by part 6, the most just make valve body structure the simplest；Conduction element 6 is fixed on valve gap 3,
To realize main valve to separate with pilot valve, reducing pilot valve opening travel requirement, below valve gap 3, being provided with returning spring 9, so that valve body
Under low voltage difference, action is more stable, and valve gap 3 is provided with through hole 13 by the same pilot valve of cavity below valve gap 3, above sealing member A12
Chamber 14 connects；Returning spring 9 one sections connects valve gap 3, other end connecting mandrel set 10.
As shown in Figure 10, there is air gap 17 after fitting with valve gap 3 lower surface in motion limit stops 11 upper surface, air gap 17 can lead to
The through hole crossed on valve gap 3 turns on pilot valve chamber 14, and the interval of air gap 17 is arranged in motion limit stops 11, utilizes motion limit stops
Arrange projection on 11 to realize.
Passing through sealing member B5 floating connection between core sleeve 10 and conduction element 6 and seal, sealing member B5 is O RunddichtringO.
Motion limit stops 11 and sealing member A12 are fixed together by core sleeve 10.
Electromagnetic valve provided by the utility model is by using conduction element 6 to be fixed on valve gap 3, and arranges sealing member B5 and make
Obtain motion limit stops 11 and can flexible motion can reliably seal again with conduction element, limiting with motion so that guide valve core Railway transportation is dynamic
Position part 11 motion is separated, and then can make that the stroke of pilot valve core iron 8 can arrange is less, wants coil power to reduce
Ask, on the premise of ensureing that valve body has equal maximum operating pressure differential allowable, it is achieved coil miniaturization.This utility model is not simultaneously
Being same as other and pilot valve stream is arranged on the pilot solenoid valve in the middle of non-valve body, pilot valve stream is arranged in the middle of valve body, both can make
Obtain valve body compact, the flow resistance of pilot valve stream can be reduced again so that valve body obtains bigger maximum operating pressure differential allowable.
Embodiment 2
Diaphragm type pilot control electromagnetic valve as shown in Figure 4 and Figure 5, including valve seat 15, valve seat 15 top is provided with valve gap
3；Valve gap 3 upper middle position is provided with pilot valve core iron 8；Pilot valve core iron 8 bottom position is provided with pilot valve seal 7；In valve gap 3
Between position be provided with conduction element 6；Conduction element 6 lower side is provided with core sleeve 10, is provided with sports limiting outside core sleeve 10
Part 11；Motion limit stops 11 bottom is provided with sealing member A12；It is provided with sealing between motion limit stops 11 bottom and conduction element 6
Part B5；Returning spring 9 it is provided with outside conduction element 6 and between motion limit stops 11；Through hole 13 it is provided with on valve gap 9；On valve gap 9
Portion is provided with pilot valve chamber 14.Motion limit stops 11 top is provided with multiple projection 4.Valve seat 15 left and right sides is respectively arranged with valve body
Import 1 and valve outlet 2.
In the present embodiment, core sleeve 10 is designed to separate type, and core sleeve 10 is internally provided with adapter sleeve 16.Spring force precompressed
Sealing member B is automatically adjusted the decrement of sealing member B, and separation design makes core sleeve's process and assemble simpler, has
It is beneficial to improve the service life of sealing member B.This part is in order to control sealing member B radial-deformation to make up the mill of axial deflection
Undermine loss, thus improve sealing effectiveness, increase the service life.
In this electromagnetic valve, core sleeve 10 realizes motion and sealing, conducting by sealing member B5 with the conduction element 6 passed through
Pilot valve chamber 14 and valve outlet 2 are connected by part 6, the most just make valve body structure the simplest；Conduction element 6 is fixed on valve gap 3,
To realize main valve to separate with pilot valve, reducing pilot valve opening travel requirement, below valve gap 3, being provided with returning spring 9, so that valve body
Under low voltage difference, action is more stable, and valve gap 3 is provided with through hole 13 by the same pilot valve of cavity below valve gap 3, above sealing member A12
Chamber 14 connects；Returning spring 9 one sections connects valve gap 3, other end connecting mandrel set 10.
There is air gap after fitting with valve gap 3 lower surface in motion limit stops 11 upper surface, air gap can be by the through hole on valve gap 3
Turning on pilot valve chamber 14, the interval of air gap is arranged in motion limit stops 11, utilizes and arranges projection or groove in motion limit stops
Realize.
Passing through sealing member B5 floating connection between core sleeve 10 and conduction element 6 and seal, sealing member B5 is O RunddichtringO.
Motion limit stops 11 and sealing member A12 are fixed together by core sleeve 10.
Electromagnetic valve provided by the utility model is by using conduction element 6 to be fixed on valve gap 3, and arranges sealing member B5 and make
Obtain motion limit stops 11 and can flexible motion can reliably seal again with conduction element, limiting with motion so that guide valve core Railway transportation is dynamic
Position part 11 motion is separated, and then can make that the stroke of pilot valve core iron 8 can arrange is less, wants coil power to reduce
Ask, on the premise of ensureing that valve body has equal maximum operating pressure differential allowable, it is achieved coil miniaturization.This utility model is not simultaneously
Being same as other and pilot valve stream is arranged on the pilot solenoid valve in the middle of non-valve body, pilot valve stream is arranged in the middle of valve body, both can make
Obtain valve body compact, the flow resistance of pilot valve stream can be reduced again so that valve body obtains bigger maximum operating pressure differential allowable.
Embodiment 3
Diaphragm type pilot control electromagnetic valve as shown in Figure 6 and Figure 7, including valve seat 15, valve seat 15 top is provided with valve gap
3；Valve gap 3 upper middle position is provided with pilot valve core iron 8；Pilot valve core iron 8 bottom position is provided with pilot valve seal 7；In valve gap 3
Between position be provided with conduction element 6；Conduction element 6 lower side is provided with core sleeve 10, is provided with sports limiting outside core sleeve 10
Part 11；Motion limit stops 11 bottom is provided with sealing member A12；It is provided with sealing between motion limit stops 11 bottom and conduction element 6
Part B5；Returning spring 9 it is provided with outside conduction element 6 and between motion limit stops 11；Through hole 13 it is provided with on valve gap 9；On valve gap 9
Portion is provided with pilot valve chamber 14.Motion limit stops 11 top is provided with multiple projection 4.Valve seat 15 left and right sides is respectively arranged with valve body
Import 1 and valve outlet 2.
In this electromagnetic valve, core sleeve 10 realizes motion and sealing, conducting by sealing member B5 with the conduction element 6 passed through
Pilot valve chamber 14 and valve outlet 2 are connected by part 6, the most just make valve body structure the simplest；Conduction element 6 is fixed on valve gap 3,
To realize main valve to separate with pilot valve, reducing pilot valve opening travel requirement, below valve gap 3, being provided with returning spring 9, so that valve body
Under low voltage difference, action is more stable, and valve gap 3 is provided with through hole 13 by the same pilot valve of cavity below valve gap 3, above sealing member A12
Chamber 14 connects；Returning spring 9 one sections connects valve gap 3, other end connecting mandrel set 10.
There is air gap after fitting with valve gap 3 lower surface in motion limit stops 11 upper surface, air gap can be by the through hole on valve gap 3
Turning on pilot valve chamber 14, the interval of air gap is arranged in motion limit stops 11, utilizes and arranges groove realization in motion limit stops.
Passing through sealing member B5 floating connection between core sleeve 10 and conduction element 6 and seal, sealing member B5 is O RunddichtringO.
Motion limit stops 11 and sealing member A12 are fixed together by core sleeve 10.
Electromagnetic valve provided by the utility model is by using conduction element 6 to be fixed on valve gap 3, and arranges sealing member B5 and make
Obtain motion limit stops 11 and can flexible motion can reliably seal again with conduction element, limiting with motion so that guide valve core Railway transportation is dynamic
Position part 11 motion is separated, and then can make that the stroke of pilot valve core iron 8 can arrange is less, wants coil power to reduce
Ask, on the premise of ensureing that valve body has equal maximum operating pressure differential allowable, it is achieved coil miniaturization.This utility model is not simultaneously
Being same as other and pilot valve stream is arranged on the pilot solenoid valve in the middle of non-valve body, pilot valve stream is arranged in the middle of valve body, both can make
Obtain valve body compact, the flow resistance of pilot valve stream can be reduced again so that valve body obtains bigger maximum operating pressure differential allowable.
Embodiment 4
Diaphragm type pilot control electromagnetic valve as shown in Figure 8 and Figure 9, including valve seat 15, valve seat 15 top is provided with valve gap
3；Valve gap 3 upper middle position is provided with pilot valve core iron 8；Pilot valve core iron 8 bottom position is provided with pilot valve seal 7；In valve gap 3
Between position be provided with conduction element 6；Conduction element 6 lower side is provided with core sleeve 10, is provided with sports limiting outside core sleeve 10
Part 11；Motion limit stops 11 bottom is provided with sealing member A12；It is provided with sealing between motion limit stops 11 bottom and conduction element 6
Part B5；Returning spring 9 it is provided with outside conduction element 6 and between motion limit stops 11；Through hole 13 it is provided with on valve gap 9；On valve gap 9
Portion is provided with pilot valve chamber 14.Motion limit stops 11 top is provided with multiple projection 4.Valve seat 15 left and right sides is respectively arranged with valve body
Import 1 and valve outlet 2.
In the present embodiment, sealing member B5 is fixed on valve gap 9, and conduction element 6 is arranged on valve body interposition with the form of cavity
Putting, upper chamber is arranged on valve gap 9, and lower cavity is arranged in core sleeve 10, with other embodiment scheme operating principle phases
Seemingly, but it is less to throttle at main valve after valve opening, and identical valve port flow is bigger.
In this electromagnetic valve, core sleeve 10 realizes motion and sealing, conducting by sealing member B5 with the conduction element 6 passed through
Pilot valve chamber 14 and valve outlet 2 are connected by part 6, the most just make valve body structure the simplest；Conduction element 6 is fixed on valve gap 3,
To realize main valve to separate with pilot valve, reducing pilot valve opening travel requirement, below valve gap 3, being provided with returning spring 9, so that valve body
Under low voltage difference, action is more stable, and valve gap 3 is provided with through hole 13 by the same pilot valve of cavity below valve gap 3, above sealing member A12
Chamber 14 connects；Returning spring 9 one sections connects valve gap 3, other end connecting mandrel set 10.
There is air gap after fitting with valve gap 3 lower surface in motion limit stops 11 upper surface, air gap can be by the through hole on valve gap 3
Turning on pilot valve chamber 14, the interval of air gap is arranged in motion limit stops 11, or is arranged on valve gap 3, the interval setting of air gap
Time in motion limit stops 11, utilize and projection or groove realization are set in motion limit stops；The interval of air gap is arranged on valve gap 3
Time, utilize and projection or groove realization are set on valve gap 3.
Passing through sealing member B5 floating connection between core sleeve 10 and conduction element 6 and seal, sealing member B5 is O RunddichtringO.
Motion limit stops 11 and sealing member A12 are fixed together by core sleeve 10.
Electromagnetic valve provided by the utility model is by using conduction element 6 to be fixed on valve gap 3, and arranges sealing member B5 and make
Obtain motion limit stops 11 and can flexible motion can reliably seal again with conduction element, limiting with motion so that guide valve core Railway transportation is dynamic
Position part 11 motion is separated, and then can make that the stroke of pilot valve core iron 8 can arrange is less, wants coil power to reduce
Ask, on the premise of ensureing that valve body has equal maximum operating pressure differential allowable, it is achieved coil miniaturization.This utility model is not simultaneously
Being same as other and pilot valve stream is arranged on the pilot solenoid valve in the middle of non-valve body, pilot valve stream is arranged in the middle of valve body, both can make
Obtain valve body compact, the flow resistance of pilot valve stream can be reduced again so that valve body obtains bigger maximum operating pressure differential allowable.
The above is preferred implementation of the present utility model, it is noted that for the ordinary skill of the art
For personnel, on the premise of without departing from this utility model principle, it is also possible to make some improvements and modifications, these improve and profit
Decorations are also considered as protection domain of the present utility model.
Claims (5)
1. a diaphragm type pilot control electromagnetic valve, including valve seat, valve seat top is provided with valve gap；Valve gap upper middle position sets
It is equipped with pilot valve core iron；It is characterized in that: described pilot valve core iron bottom position is provided with pilot valve seal；Valve gap middle part is arranged
There is conduction element；It is provided with core sleeve outside conduction element, outside core sleeve, is provided with motion limit stops；Motion limit stops bottom is arranged
There is sealing member A；Sealing member B it is provided with between motion limit stops bottom and conduction element；Outside conduction element and between motion limit stops
It is provided with returning spring；Through hole it is provided with on valve gap；Valve gap top is provided with pilot valve chamber；Motion limit stops top is provided with multiple
Projection；The valve seat left and right sides is respectively arranged with valve body import and valve outlet.
Diaphragm type pilot control electromagnetic valve the most according to claim 1, it is characterised in that: in described electromagnetic valve, core sleeve
Realizing motion and sealing by sealing member B with the conduction element passed through, pilot valve chamber and valve outlet are connected by conduction element；Conducting
Part is fixed on valve gap, is provided with returning spring below valve gap, and valve gap is provided with through hole by the chamber below valve gap, above sealing member A
Body connects with pilot valve chamber；Returning spring one section connects valve gap, other end connecting mandrel set.
Diaphragm type pilot control electromagnetic valve the most according to claim 1, it is characterised in that: described motion limit stops upper surface
Forming air gap with valve gap lower surface after fitting, air gap can be turned on pilot valve chamber by the through hole on valve gap, the interval setting of air gap
In motion limit stops, or it is arranged on valve gap, when the interval of air gap is arranged in motion limit stops, utilizes in motion limit stops
Projection is set or groove realizes；When the interval of air gap is arranged on valve gap, utilizes and projection or groove realization are set on valve gap.
Diaphragm type pilot control electromagnetic valve the most according to claim 1, it is characterised in that: described core sleeve and conduction element it
Between by sealing member B floating connection sealing, sealing member B is O RunddichtringO, general plug envelope, Glais ring or rectangular loop.
Diaphragm type pilot control electromagnetic valve the most according to claim 1, it is characterised in that: described core sleeve is by sports limiting
Part and sealing member A are fixed together.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620830851.3U CN205841929U (en) | 2016-07-31 | 2016-07-31 | A kind of diaphragm type pilot control electromagnetic valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620830851.3U CN205841929U (en) | 2016-07-31 | 2016-07-31 | A kind of diaphragm type pilot control electromagnetic valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205841929U true CN205841929U (en) | 2016-12-28 |
Family
ID=57618093
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620830851.3U Active CN205841929U (en) | 2016-07-31 | 2016-07-31 | A kind of diaphragm type pilot control electromagnetic valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205841929U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106015706A (en) * | 2016-07-31 | 2016-10-12 | 浙江盈亿机械股份有限公司 | Diaphragm type pilot control solenoid valve |
-
2016
- 2016-07-31 CN CN201620830851.3U patent/CN205841929U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106015706A (en) * | 2016-07-31 | 2016-10-12 | 浙江盈亿机械股份有限公司 | Diaphragm type pilot control solenoid valve |
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