CN104633224B - Electromagnet with stop valve - Google Patents
Electromagnet with stop valve Download PDFInfo
- Publication number
- CN104633224B CN104633224B CN201410738527.4A CN201410738527A CN104633224B CN 104633224 B CN104633224 B CN 104633224B CN 201410738527 A CN201410738527 A CN 201410738527A CN 104633224 B CN104633224 B CN 104633224B
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- Prior art keywords
- magnetic conductive
- cylinder
- conductive cylinder
- cylindrical section
- section
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 36
- 238000012856 packing Methods 0.000 claims description 9
- 238000005516 engineering process Methods 0.000 abstract description 2
- 239000000446 fuel Substances 0.000 description 9
- 238000009434 installation Methods 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000007373 indentation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000007789 sealing Methods 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
- 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
- F16K31/02—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
- F16K31/0675—Electromagnet aspects, e.g. electric supply therefor
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Magnetically Actuated Valves (AREA)
Abstract
The invention belongs to the design technology of electromagnetic valves, and relates to an electromagnet with a stop valve. It includes casing subassembly, iron core subassembly, 2 ~ 6 connecting pin (6), coil (7), shell (9), spring (11) and electric connector socket (12), its characterized in that: the iron core assembly is formed by connecting a valve (1), an adjusting washer (3) and an iron core (4). The invention provides an electromagnet with a stop valve, which greatly reduces the volume of the electromagnet and meets the problem of installing a switch electromagnetic valve in narrow space.
Description
Technical field
The invention belongs to electromagnetic valve designing technique, relate to a kind of electric magnet with cut-off valve.
Background technology
Existing switch electromagnetic valve mostly is and promotes valve to control valve mechanism by the iron core action of electric magnet
Break-make, the valve in the iron core of electric magnet and valve mechanism is Split type structure, makes the body of switch electromagnetic valve
Long-pending bigger.In the occasion of some narrow spaces, above-mentioned switch electromagnetic valve is difficult to install.
Summary of the invention
It is an object of the invention to: propose a kind of electric magnet with cut-off valve, in order to reduce volume, full
Foot is in a difficult problem for the occasion installation switch electromagnetic valve of narrow space.
The technical scheme is that a kind of electric magnet with cut-off valve, including housing unit, ferrum
Core assembly, 2～6 connecting pins 6, coil 7, shell 8, spring 9 and electric connector socket 10；
Housing unit is connected by front magnetic conductive cylinder 5, magnetism-isolating loop 12 and rear magnetic conductive cylinder 11 and forms, and front magnetic conductive cylinder 5 is one
Individual cylinder, the outer surface of front magnetic conductive cylinder 5 is from left to right divided into 4 sections, respectively: external thread section 5a,
One cylindrical section 5b, the second cylindrical section 5c and the 3rd cylindrical section 5d, the external diameter of the first cylindrical section 5b is more than the
The external diameter of the two cylindrical section 5c external diameter more than the 3rd cylindrical section 5d, at the external cylindrical surface of the second cylindrical section 5c
On have 2 be uniformly distributed along the circumference～6 blind pin-and-hole 5h, the endoporus of front magnetic conductive cylinder 5 is that left sector hole footpath is more than
The stepped hole in right sector hole footpath；Magnetism-isolating loop 12 is an annulus, the external diameter of magnetism-isolating loop 12 and front magnetic conductive cylinder 5
The external diameter of the 3rd cylindrical section 5d equal, the aperture of magnetism-isolating loop 12 and front magnetic conductive cylinder 5 endoporus right sector hole 5f
Aperture equal, the right sector hole 5f of magnetism-isolating loop 12 endoporus and front magnetic conductive cylinder 5 constitutes the center of housing unit
Hole；Rear magnetic conductive cylinder 11 has the profile of Step Shaft, the right section of face of cylinder of rear magnetic conductive cylinder 11 outer surface straight
Footpath is more than the diameter on the left section of face of cylinder, the diameter on the right section of face of cylinder of rear magnetic conductive cylinder 11 outer surface and front magnetic conduction
Cylinder 5 second cylindrical section 5c external diameter equal, the diameter on the left section of face of cylinder of rear magnetic conductive cylinder 11 outer surface with
The external diameter of magnetism-isolating loop 12 is equal, has a coaxial blind hole, rear on the left side of rear magnetic conductive cylinder 11
The fairlead through with right side is had on the step end face of magnetic conductive cylinder 11 outer surface；Front magnetic conductive cylinder 5 the 3rd circle
The left side of the right side of shell of column 5d and magnetism-isolating loop 12 is welded as entirety, the left side of rear magnetic conductive cylinder 11 with
The right side of magnetism-isolating loop 12 is welded as entirety, the inner cylinder face of front magnetic conductive cylinder 5 endoporus right sector hole 5f and every
The inner cylinder face of magnet ring 12 is coplanar, the external cylindrical surface of front magnetic conductive cylinder 5 the 3rd cylindrical section 5d, magnetism-isolating loop 12
External cylindrical surface and the left section of face of cylinder of rear magnetic conductive cylinder 11 outer surface coplanar；Shell 8 is a cylinder, outward
The left end of shell 8 is enclosed within the outside of the second cylindrical section 5c of front magnetic conductive cylinder 5 and keeps matched in clearance, electrical connection
Device socket 10 is arranged in the right output port of shell 8, has and be uniformly distributed along the circumference on the external cylindrical surface of shell 8
The number of 2～6 pin holes, the number of pin hole and aperture and the blind pin-and-hole of front magnetic conductive cylinder 5 and aperture
Equal and position is corresponding, connecting pin 6 is positioned at the pin hole of shell 8 and the blind pin-and-hole of front magnetic conductive cylinder 5
And keep interference fit, the left end of shell 8 is fixed on the second cylindrical section 5c of front magnetic conductive cylinder 5；Line
Circle 7 is positioned in the toroidal cavity formed by housing unit and shell 8, and the lead-out wire of coil 7 is from rear magnetic conduction
Fairlead on cylinder 11 is drawn, and welds with the contact of electric connector socket 10；The right-hand member position of spring 9
In the blind hole of rear magnetic conductive cylinder 11；It is characterized in that: core assembly is by valve 1, adjustment packing ring 3 and ferrum
Core 4 connects composition；Valve 1 is a cylinder, it by the conical section on the left side, middle cylindrical section and
The external thread section on the right connects composition, and the footpath, the end of valve 1 conical section is equal to the external diameter of cylindrical section, valve 1
The external diameter of cylindrical section is more than the external diameter of external thread section；Iron core 4 is a cylinder, at the left end of iron core 4
You Yige center tapped blind hole on face, has a circular central recess, ferrum on the right side of iron core 4
Core 4 is positioned at the centre bore of housing unit and keeps matched in clearance, and it is right that the left end of spring 9 is positioned at iron core 4
In central recess on end face；The center screw thread that the external thread section of valve 1 is screwed on iron core 4 left side is blind
In hole, adjust packing ring 3 between the annular end face and the left side of iron core 4 of valve 1 cylindrical section.
The invention have the advantage that and propose a kind of electric magnet with cut-off valve, be greatly reduced electromagnetism
The volume of ferrum, meet narrow space occasion install switch electromagnetic valve a difficult problem.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention.
Fig. 2 is the structural representation of front magnetic conductive cylinder in the present invention.
Fig. 3 is the scheme of installation of the present invention.
Detailed description of the invention
Below the present invention is described in further details.See Fig. 1,2, a kind of with cut-off valve electricity
Magnet, including housing unit, core assembly, 2～6 connecting pins 6, coil 7, shell 8, springs
9 and electric connector socket 10；Housing unit is connected by front magnetic conductive cylinder 5, magnetism-isolating loop 12 and rear magnetic conductive cylinder 11
Composition, front magnetic conductive cylinder 5 is a cylinder, and the outer surface of front magnetic conductive cylinder 5 is from left to right divided into 4 sections, point
Not: external thread section 5a, the first cylindrical section 5b, the second cylindrical section 5c and the 3rd cylindrical section 5d, first
The external diameter of the cylindrical section 5b external diameter more than the second cylindrical section 5c is more than the external diameter of the 3rd cylindrical section 5d, the
2 be uniformly distributed along the circumference～6 blind pin-and-hole 5h, front magnetic conductive cylinder 5 is had on the external cylindrical surface of two cylindrical section 5c
Endoporus be left sector hole footpath more than the stepped hole in right sector hole footpath；Magnetism-isolating loop 12 is an annulus, magnetism-isolating loop 12
External diameter equal with the external diameter of the 3rd cylindrical section 5d of front magnetic conductive cylinder 5, the aperture of magnetism-isolating loop 12 is with leading
The aperture of magnetic cylinder 5 endoporus right sector hole 5f is equal, magnetism-isolating loop 12 endoporus and the right sector hole 5f of front magnetic conductive cylinder 5
Constitute the centre bore of housing unit；Rear magnetic conductive cylinder 11 has the profile of Step Shaft, rear magnetic conductive cylinder 11 appearance
The diameter on the right section of face of cylinder in face is more than the diameter on the left section of face of cylinder, right section of circle of rear magnetic conductive cylinder 11 outer surface
The diameter of cylinder is equal with the external diameter of front magnetic conductive cylinder 5 second cylindrical section 5c, rear magnetic conductive cylinder 11 outer surface
The diameter on the left section of face of cylinder is equal with the external diameter of magnetism-isolating loop 12, has one on the left side of rear magnetic conductive cylinder 11
Individual coaxial blind hole, has the fairlead through with right side on the step end face of rear magnetic conductive cylinder 11 outer surface；
The front right side of magnetic conductive cylinder 5 the 3rd cylindrical section 5d and the left side of magnetism-isolating loop 12 are welded as entirety, after lead
The left side of magnetic cylinder 11 is welded as entirety, the front magnetic conductive cylinder 5 right sector hole of endoporus with the right side of magnetism-isolating loop 12
The inner cylinder face of 5f and the inner cylinder face of magnetism-isolating loop 12 are coplanar, outside front magnetic conductive cylinder 5 the 3rd cylindrical section 5d
The left section of face of cylinder of the face of cylinder, the external cylindrical surface of magnetism-isolating loop 12 and rear magnetic conductive cylinder 11 outer surface is coplanar；Outward
Shell 8 is a cylinder, and the left end of shell 8 is enclosed within the outside of the second cylindrical section 5c of front magnetic conductive cylinder 5 and protects
Holding matched in clearance, electric connector socket 10 is arranged in the right output port of shell 8, in the outside cylinder of shell 8
2 be uniformly distributed along the circumference～6 pin holes, the number of pin hole and aperture and front magnetic conductive cylinder 5 is had on face
The number of blind pin-and-hole is equal with aperture and position is corresponding, and connecting pin 6 is positioned at the pin hole of shell 8 and front
The blind pin-and-hole of magnetic conductive cylinder 5 is interior and keeps interference fit, and the left end of shell 8 is fixed on front magnetic conductive cylinder 5
On second cylindrical section 5c；Coil 7 is positioned in the toroidal cavity formed by housing unit and shell 8, coil
The lead-out wire of 7 fairlead from rear magnetic conductive cylinder 11 is drawn, and welds with the contact of electric connector socket 10；
The right-hand member of spring 9 is positioned at the blind hole of rear magnetic conductive cylinder 11；It is characterized in that: core assembly by valve 1,
Adjust packing ring 3 and iron core 4 connects composition；Valve 1 is a cylinder, it by the conical section on the left side,
Middle cylindrical section and the external thread section on the right connect composition, and the footpath, the end of valve 1 conical section is equal to cylindrical section
External diameter, the external diameter of valve 1 cylindrical section is more than the external diameter of external thread section；Iron core 4 is a cylinder,
You Yige center tapped blind hole on the left side of iron core 4, has a circle on the right side of iron core 4
Central recess, iron core 4 is positioned at the centre bore of housing unit and keeps matched in clearance, a left side for spring 9
End is positioned at the central recess on iron core 4 right side；The external thread section of valve 1 is screwed into iron core 4 left side
On center tapped blind hole in, adjust packing ring 3 and be positioned at the annular end face of valve 1 cylindrical section and iron core 4
Between left side.
In order to prevent core assembly in a pre-installation from coming off, at the interior cylinder of front magnetic conductive cylinder 5 endoporus left sector hole 5e
Having an annular card ring recess 5g on face, collar 2 is arranged in above-mentioned card ring recess 5g, the internal diameter of collar 2
External diameter less than iron core 4.
The operation principle of the present invention is: see Fig. 3, it is illustrated that the scheme of installation of the present invention, mounting structure
The necessary structure of 14 includes internal thread segment 14a, cavity 14b, fuel feed hole 14c and oil outlet 14d, oil-feed
Hole 14c and female thread 14a is coaxial；The external thread section 5a of described electric magnet is screwed into the interior of mounting structure 14
Thread segment 14a, the left side of front magnetic conductive cylinder 5 first cylindrical section 5b aligns with the right side of mounting structure 14,
Sealing ring 13 is positioned at the external thread section 5a of electric magnet, the first cylindrical section 5b and the ring of mounting structure 14 formation
Ensureing in chamber to seal, valve 1 only leans against on the fuel feed hole 14c of mounting structure 14；Electric magnet is tied with installing
Go into cavity 14b between structure 14 and connect fuel feed hole 14c and oil outlet 14d；Described electric magnet is by controlling
Extended and retracted control fuel feed hole 14c and the oil outlet 14d of valve 1 switches off and on；See Fig. 1,
3, when described electric magnet is not powered on, valve 1 stretches out to the left under the spring-force driven dual of spring 9 and only leans against
On the fuel feed hole 14c of mounting structure 14, fuel feed hole 14c is closed, during the energising of described electric magnet, and iron core
4 overcome the spring force of spring 9 to move right and only lean against under the effect of electromagnetic force after the left side of magnetic conductive cylinder 11
End face, valve 1 is indentation to the right under the drive of iron core 4, and fuel feed hole 14c is opened；Adjust packing ring 3
It is the packing ring of one group of different-thickness, is adjusted the overhang of the thickness adjusted valve 1 of packing ring 3 by regulation,
That is the stroke of regulation iron core 4, thus ensure the fuel feed hole 14c of mounting structure 14 when electric magnet is energized not
Being dammed by valve 1, when the most also ensureing electric magnet power-off, spring 9 has enough decrements to provide enough
Spring force turns off fuel feed hole 14c.
One embodiment of the present of invention, test proves, the volume of electric magnet reduces 30%, meets at sky
Between narrow and small occasion the difficult problem of switch electromagnetic valve is installed.
Claims (2)
1. with an electric magnet for cut-off valve, including housing unit, core assembly, 2～6
Connecting pin (6), coil (7), shell (8), spring (9) and electric connector socket (10)；Housing unit by
Front magnetic conductive cylinder (5), magnetism-isolating loop (12) and rear magnetic conductive cylinder (11) connect composition, and front magnetic conductive cylinder (5) is a circle
Cylinder, the outer surface of front magnetic conductive cylinder (5) is from left to right divided into 4 sections, respectively: external thread section (5a), first
Cylindrical section (5b), the second cylindrical section (5c) and the 3rd cylindrical section (5d), the external diameter of the first cylindrical section (5b) is big
In the external diameter of the second cylindrical section (5c), the external diameter of the second cylindrical section (5c) is more than outside the 3rd cylindrical section (5d)
Footpath, has 2 be uniformly distributed along the circumference～6 blind pin-and-holes (5h) on the external cylindrical surface of the second cylindrical section (5c),
The endoporus of front magnetic conductive cylinder (5) is the left sector hole footpath stepped hole more than right sector hole footpath；Magnetism-isolating loop (12) is a circle
Ring, the external diameter of magnetism-isolating loop (12) is equal with the external diameter of the 3rd cylindrical section (5d) of front magnetic conductive cylinder (5), magnetism-isolating loop
(12) aperture is equal with the aperture of the right sector hole of front magnetic conductive cylinder (5) endoporus (5f), and magnetism-isolating loop (12) endoporus is with front
The right sector hole (5f) of magnetic conductive cylinder (5) constitutes the centre bore of housing unit；Rear magnetic conductive cylinder (11) has Step Shaft
Profile, the diameter on the right section of face of cylinder of rear magnetic conductive cylinder (11) outer surface is more than the diameter on the left section of face of cylinder, after
Outside the diameter on the right section of face of cylinder of magnetic conductive cylinder (11) outer surface is with front magnetic conductive cylinder (5) second cylindrical section (5c)
Footpath is equal, and the diameter on the left section of face of cylinder of rear magnetic conductive cylinder (11) outer surface is equal with the external diameter of magnetism-isolating loop (12),
The left side of rear magnetic conductive cylinder (11) has a coaxial blind hole, at the platform of rear magnetic conductive cylinder (11) outer surface
The fairlead through with right side is had on the end face of rank；The right side of front magnetic conductive cylinder (5) the 3rd cylindrical section (5d) with
The left side of magnetism-isolating loop (12) is welded as the right side of entirety, the left side of rear magnetic conductive cylinder (11) and magnetism-isolating loop (12)
End face is welded as entirety, the inner cylinder face of the right sector hole of front magnetic conductive cylinder (5) endoporus (5f) and magnetism-isolating loop (12) interior
The face of cylinder is coplanar, the external cylindrical surface of front magnetic conductive cylinder (5) the 3rd cylindrical section (5d), the outside cylinder of magnetism-isolating loop (12)
The left section of face of cylinder of face and rear magnetic conductive cylinder (11) outer surface is coplanar；Shell (8) is a cylinder, shell (8)
Left end be enclosed within the outside of the second cylindrical section (5c) of front magnetic conductive cylinder (5) and keep matched in clearance, electric connector
Socket (10) is arranged in the right output port of shell (8), is uniformly distributed along the circumference on the external cylindrical surface of shell (8)
2～6 pin holes, the number of pin hole and aperture and front magnetic conductive cylinder (5) blind pin-and-hole number and
Aperture is equal and position is corresponding, and connecting pin (6) is positioned at the pin hole of shell (8) and the blind of front magnetic conductive cylinder (5)
Pin-and-hole is interior and keeps interference fit, and the left end of shell (8) is fixed on the second cylindrical section of front magnetic conductive cylinder (5)
(5c) on；Coil (7) is positioned in the toroidal cavity formed by housing unit and shell (8), drawing of coil (7)
Outlet fairlead from rear magnetic conductive cylinder (11) is drawn, and welds with the contact of electric connector socket (10)；
The right-hand member of spring (9) is positioned at the blind hole of rear magnetic conductive cylinder (11)；It is characterized in that: core assembly is by valve
(1), adjust packing ring (3) and iron core (4) connects composition；Valve (1) is a cylinder, and it is by the left side
The external thread section on conical section, middle cylindrical section and the right connects composition, the footpath, the end etc. of valve (1) conical section
In the external diameter of cylindrical section, the external diameter of valve (1) cylindrical section is more than the external diameter of external thread section；Iron core (4) is one
Individual cylinder, You Yige center tapped blind hole on the left side of iron core (4), in the right side of iron core (4)
On have a circular central recess, iron core (4) are positioned at the centre bore of housing unit and keep gap to join
Closing, the left end of spring (9) is positioned at the central recess on iron core (4) right side；The external thread section of valve (1)
It is screwed in the center tapped blind hole on iron core (4) left side, adjusts packing ring (3) and be positioned at valve (1) cylindrical section
Between the left side of annular end face and iron core (4).
Electric magnet with cut-off valve the most according to claim 1, it is characterised in that: leading
Having an annular card ring recess (5g) on the inner cylinder face of the left sector hole of magnetic cylinder (5) endoporus (5e), collar (2) is pacified
Being contained in above-mentioned card ring recess (5g), the internal diameter of collar (2) is less than the external diameter of iron core (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410738527.4A CN104633224B (en) | 2014-12-05 | 2014-12-05 | Electromagnet with stop valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410738527.4A CN104633224B (en) | 2014-12-05 | 2014-12-05 | Electromagnet with stop valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104633224A CN104633224A (en) | 2015-05-20 |
| CN104633224B true CN104633224B (en) | 2017-01-04 |
Family
ID=53212289
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410738527.4A Active CN104633224B (en) | 2014-12-05 | 2014-12-05 | Electromagnet with stop valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104633224B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112728207A (en) * | 2020-12-30 | 2021-04-30 | 中国航发长春控制科技有限公司 | Two-body type press-fitting valve seat assembly |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87208036U (en) * | 1987-05-12 | 1988-03-16 | 邓博英 | Electromagnetic water discharge valve |
| CN2721999Y (en) * | 2004-05-26 | 2005-08-31 | 洛阳卓航测控设备有限责任公司 | Electromagnetic valve |
| CN201963993U (en) * | 2010-12-14 | 2011-09-07 | 山东泰丰液压股份有限公司 | Leakage-free inserted two-way electromagnetic stop valve |
| CN103851251A (en) * | 2012-12-06 | 2014-06-11 | 昆山淀宏机械有限公司 | Solenoid valve |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ITTO20111148A1 (en) * | 2011-12-14 | 2013-06-15 | Elbi Int Spa | SOLENOID PILOT VALVE FOR A HYDRAULIC VALVE, PARTICULARLY FOR APPLIANCES |
| WO2014006675A1 (en) * | 2012-07-02 | 2014-01-09 | トヨタ自動車株式会社 | Electromagnetic valve |
| CN103629415B (en) * | 2012-08-23 | 2016-03-02 | 丹佛斯（天津）有限公司 | Dynamic core assembly and use its solenoid valve |
-
2014
- 2014-12-05 CN CN201410738527.4A patent/CN104633224B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87208036U (en) * | 1987-05-12 | 1988-03-16 | 邓博英 | Electromagnetic water discharge valve |
| CN2721999Y (en) * | 2004-05-26 | 2005-08-31 | 洛阳卓航测控设备有限责任公司 | Electromagnetic valve |
| CN201963993U (en) * | 2010-12-14 | 2011-09-07 | 山东泰丰液压股份有限公司 | Leakage-free inserted two-way electromagnetic stop valve |
| CN103851251A (en) * | 2012-12-06 | 2014-06-11 | 昆山淀宏机械有限公司 | Solenoid valve |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104633224A (en) | 2015-05-20 |
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