CN104696575A - Electromagnetic valve for low temperature pipeline - Google Patents
Electromagnetic valve for low temperature pipeline Download PDFInfo
- Publication number
- CN104696575A CN104696575A CN201510114090.1A CN201510114090A CN104696575A CN 104696575 A CN104696575 A CN 104696575A CN 201510114090 A CN201510114090 A CN 201510114090A CN 104696575 A CN104696575 A CN 104696575A
- Authority
- CN
- China
- Prior art keywords
- valve
- flap
- chamber
- valve rod
- rod
- 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.)
- Granted
Links
Classifications
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- 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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/32—Details
- F16K1/34—Cutting-off parts, e.g. valve members, seats
- F16K1/36—Valve members
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/32—Details
- F16K1/34—Cutting-off parts, e.g. valve members, seats
- F16K1/46—Attachment of sealing rings
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/32—Details
- F16K1/48—Attaching valve members to screw-spindles
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- 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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- 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
Abstract
The invention relates to an electromagnetic valve for a low temperature pipeline. The electromagnetic valve comprises a valve body, a valve cover, a valve rod and valve clacks. A pilot assembly is arranged on the valve cover, an iron core capable of moving vertically is arranged in the pilot assembly, the upper end of the valve rod is connected with the iron core, a protection cover is arranged on the outer portion of the valve cover, and an electromagnetic coil is arranged in the protection cover. A spring and a washer sleeve the valve rod. An inlet cavity, a valve clack cavity and an outlet cavity are arranged in the valve body. A valve port is formed in the valve body at the bottom of the valve clack cavity and communicated with the outlet cavity, and the side portion of the valve clack cavity is communicated with the inlet cavity. The valve clacks are arranged in the valve clack cavity, a gap is formed between the outer walls of the valve clacks and the inner wall of the valve clack cavity, and at least one annular groove is formed in the outer walls of the valve clacks. The gap is formed between the valve clacks and the inner wall of the valve clack cavity, so that valve clack moving resistance is reduced, vertical movement of the valve clacks is smooth, air circulation is smooth, freezing cannot happen easily, the electromagnetic valve is applicable to low temperature which can reach -196 DEG C, and the pressure can reach 2.5 MPa.
Description
Technical field
The present invention relates to a kind of cryogenic pipe solenoid valve.
Background technique
Often need to use solenoid valve in the air inlet pipeline of natural gas engine, mainly play the effect cutting off motor air feed in time.
In conventional solenoid valve, flap moving resistance in valve body is comparatively large, sluggish in air circulation, when using in cryogenic pipe, is easily frozen in.
Summary of the invention
The technical problem to be solved in the present invention is: overcome the deficiencies in the prior art, provides a kind of cryogenic pipe solenoid valve.
The technical solution adopted for the present invention to solve the technical problems is: a kind of cryogenic pipe solenoid valve, comprise valve body, valve gap, valve rod and flap, described valve gap is arranged on valve body upper end, described valve rod is arranged in valve gap, described flap is arranged on the lower end of valve rod, and described flap packaged type is arranged in valve body on valve port sealing surface, and described valve gap is provided with first guide assembly, arrange iron core moving up and down in described first guide assembly, the upper end of described valve rod connects iron core; The outer installment of described valve gap has protective cover, is provided with electromagnetic coil in described protective cover.
Be provided with snout cavity, flap chamber and outlet plenum in described valve body, the valve body bottom described flap chamber offer valve port and is communicated with outlet plenum, the sidepiece in described flap chamber is communicated with snout cavity; Described flap is arranged in flap chamber, is provided with space between the outer wall of described flap and the inwall in flap chamber, and the outer wall of described flap is provided with at least one ring groove.
Further, described flap offers vent, described vent is communicated with valve-rod cavity and flap chamber.
Further, described valve rod is socketed with spring and packing ring, described spring is between packing ring and flap, and the upper end of described spring offsets packing ring, and pushes against the lower end surface of first guide assembly with washer, and the lower end of described spring pushes against flap.
When described electromagnetic coil energising, described iron core upwards moves, and drive described flap to leave sealing valve port face through valve rod, described solenoid valve is opened.
When described electromagnetic coil power-off, described flap moves down under the action of the spring and seals valve port, described closed electromagnetic valve.
Further, linkage structure between described valve rod and flap is: described flap upper end offers valve-rod cavity, the lower end of described valve rod is inserted in the valve-rod cavity of flap, the valve rod in described valve-rod cavity being socketed with cutting ferrule, the flap above described cutting ferrule being provided with the back-up ring for limiting cutting ferrule.
Further, in described valve body valve port sealing surface on form a circle sealing bulge loop, the bottom of described flap is provided with seal ring, and described valve port is sealed and matched through sealing bulge loop and the seal ring of flap.
The invention has the beneficial effects as follows: between flap and flap cavity wall, be provided with space, reduce the resistance of flap motion, flap is moved up and down more smooth and easy, air circulation is smooth and easy, not easily freezing, applicable lower temperature, low temperature can to-196 DEG C, and pressure can to 2.5MPa.
The design of vent, can make flap chamber communicate with the inner chamber of valve-rod cavity, increase air circulation further.
The design of sealing bulge loop, reduce the seal ring of flap and the area of contact of sealing bulge loop, when making to be in low temperature environment, sealing surface is not easily frozen.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the present invention is further described.
Fig. 1 is the schematic diagram of solenoid valve of the present invention;
The structural drawing that Fig. 2 is valve rod, flap connects;
Fig. 3 is the schematic diagram of valve body;
Wherein, 1, valve body, 3, seal ring, 4, flap, 41, annular groove, 5, valve rod; 7, packing ring, 8, spring, 9, valve gap, 10, iron core, 11, protective cover, 12, electromagnetic coil; 16, first guide assembly, 19, cutting ferrule, 111, snout cavity, 112, outlet plenum, 113, flap chamber, 114, sealing bulge loop.
Embodiment
The present invention is further illustrated by reference to the accompanying drawings now.The schematic diagram that these accompanying drawings are simplification only illustrates basic structure of the present invention in a schematic way, and therefore it only shows the formation relevant with the present invention.
As shown in Fig. 1 Fig. 2 Fig. 3, a kind of cryogenic pipe solenoid valve, comprise valve body 1, valve gap 9, valve rod 5 and flap 4, valve gap 9 is arranged on valve body 1 upper end, and valve rod 5 is arranged in valve gap 9, and flap 4 is arranged on the lower end of valve rod 5, flap 4 packaged type to be arranged in valve body 1 on valve port sealing surface, valve gap 9 is provided with first guide assembly 16, arranges iron core 10 moving up and down in first guide assembly 16, the upper end of valve rod 5 connects iron core 10; The outer installment of valve gap 9 has protective cover 11, is provided with electromagnetic coil 12 in protective cover 11.
Valve rod 5 is socketed with spring 8 and packing ring 7, spring 8 is between packing ring 7 and flap 4, and the upper end of spring 8 offsets packing ring 7, and pushes against the lower end surface of first guide assembly 16 with washer 7, and the lower end of spring 8 pushes against flap 4.
When electromagnetic coil 12 is energized, iron core 10 upwards moves, and drive flap 4 to leave sealing valve port face through valve rod 5, now solenoid valve is opened; When electromagnetic coil 12 power-off, flap 4 moves down and seals valve port under the effect of spring 8, now closed electromagnetic valve.
Be provided with snout cavity 111, flap chamber 113 and outlet plenum 112 in valve body 1, the valve body 1 bottom flap chamber 113 offer valve port and is communicated with outlet plenum 112, the sidepiece in flap chamber 113 is communicated with snout cavity 111; Flap 4 is arranged in flap chamber 113, is provided with space between the outer wall of flap 4 and the inwall in flap chamber 113, and the outer wall of flap 4 is provided with at least one ring groove 41, and during the present embodiment is preferred, annular groove 41 is 2 circles preferably.
Linkage structure between valve rod 5 and flap 4 is: flap 4 upper end offers valve rod 5 chamber, the lower end of valve rod 5 is inserted in valve rod 5 chamber of flap 4, valve rod 5 in valve rod 5 chamber being socketed with cutting ferrule 19, the flap 4 above cutting ferrule 19 being provided with the back-up ring for limiting cutting ferrule 19.
Flap 4 offers vent, and vent is communicated with valve rod 5 chamber and flap chamber 113.
In valve body 1 valve port sealing surface on form a circle sealing bulge loop 114, the bottom of flap 4 is provided with seal ring 3, and valve port is sealed and matched with the seal ring 3 of flap 4 through sealing bulge loop 114.The design of sealing bulge loop 114, reduce the seal ring of flap and the area of contact of sealing bulge loop, when making to be in low temperature environment, sealing surface is not easily frozen.
With above-mentioned according to desirable embodiment of the present invention for enlightenment, by above-mentioned description, relevant staff in the scope not departing from this invention technological thought, can carry out various change and amendment completely.The technical scope of this invention is not limited to the content on specification, must determine its technical scope according to right.
Claims (6)
1. a cryogenic pipe solenoid valve, comprise valve body (1), valve gap (9), valve rod (5) and flap (4), described valve gap (9) is arranged on valve body (1) upper end, described valve rod (5) is arranged in valve gap (9), described flap (4) is arranged on the lower end of valve rod (5), described flap (4) packaged type is arranged on the interior valve port sealing surface of valve body (1), it is characterized in that, described valve gap (9) is provided with first guide assembly (16), in described first guide assembly (16), iron core moving up and down (10) is set, the upper end of described valve rod (5) connects iron core (10), the outer installment of described valve gap (9) has protective cover (11), is provided with electromagnetic coil (12) in described protective cover (11),
Snout cavity (111), flap chamber (113) and outlet plenum (112) is provided with in described valve body (1), the valve body (1) of described flap chamber (113) bottom offers valve port and is communicated with outlet plenum (112), the sidepiece of described flap chamber (113) is communicated with snout cavity (111); Described flap (4) is arranged in flap chamber (113), be provided with space between the outer wall of described flap (4) and the inwall of flap chamber (113), the outer wall of described flap (4) is provided with at least one ring groove (41).
2. cryogenic pipe solenoid valve according to claim 2, is characterized in that, described flap (4) offers vent, and described vent is communicated with valve rod (5) chamber and flap chamber (113).
3. cryogenic pipe solenoid valve according to claim 2, it is characterized in that, described valve rod (5) is socketed with spring (8) and packing ring (7), described spring (8) is positioned between packing ring (7) and flap (4), the upper end of described spring (8) offsets packing ring (7), and the lower end surface of first guide assembly (16) is pushed against with washer (7), the lower end of described spring (8) pushes against flap (4);
When described electromagnetic coil (12) is energized, described iron core (10) upwards moves, and drive described flap (4) to leave sealing valve port face through valve rod (5), described solenoid valve is opened;
When described electromagnetic coil (12) power-off, described flap (4) moves down and seals valve port under the effect of spring (8), described closed electromagnetic valve.
4. cryogenic pipe solenoid valve according to claim 1, it is characterized in that, linkage structure between described valve rod (5) and flap (4) is: described flap (4) upper end offers valve rod (5) chamber, the lower end of described valve rod (5) is inserted in valve rod (5) chamber of flap (4), valve rod (5) in described valve rod (5) chamber being socketed with cutting ferrule (19), the flap (4) of described cutting ferrule (19) top being provided with the back-up ring for limiting cutting ferrule (19).
5. cryogenic pipe solenoid valve according to claim 1, it is characterized in that, the sealing surface of described valve body (1) interior valve port is formed circle sealing bulge loop (114), the bottom of described flap (4) is provided with seal ring (3), and described valve port is sealed and matched through the seal ring (3) of sealing bulge loop (114) with flap (4).
6. cryogenic pipe solenoid valve according to claim 1, is characterized in that, the outer wall of described flap (4) is provided with 2 ring grooves (41).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510114090.1A CN104696575B (en) | 2015-03-16 | 2015-03-16 | Cryogenic pipe magnetic valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510114090.1A CN104696575B (en) | 2015-03-16 | 2015-03-16 | Cryogenic pipe magnetic valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104696575A true CN104696575A (en) | 2015-06-10 |
| CN104696575B CN104696575B (en) | 2017-06-06 |
Family
ID=53343981
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510114090.1A Active CN104696575B (en) | 2015-03-16 | 2015-03-16 | Cryogenic pipe magnetic valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104696575B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105318086A (en) * | 2015-11-30 | 2016-02-10 | 湖北中生汽车电器有限公司 | Electromagnetic valve assembly |
| TWI748176B (en) * | 2018-06-20 | 2021-12-01 | 日商阿自倍爾Ｔａ股份有限公司 | The electromagnetic valve |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0535394A1 (en) * | 1991-10-04 | 1993-04-07 | Messer Griesheim Gmbh | Electromagnetic valve for liquified gas at low temperatures |
| CN2215635Y (en) * | 1995-03-10 | 1995-12-20 | 唐振立 | Pressure differnce-free two-direction electromagnetic valve |
| JP2005188650A (en) * | 2003-12-25 | 2005-07-14 | Toyota Motor Corp | Electromagnetic drive valve |
| CN101349348A (en) * | 2007-07-18 | 2009-01-21 | 浙江省医疗器械研究所 | Cryogenic fluid electromagnetic valve |
| CN201963944U (en) * | 2010-12-29 | 2011-09-07 | 天津市航翔科技发展有限公司 | Low-temperature normally-closed electromagnetic reversing valve |
| CN203571178U (en) * | 2013-10-25 | 2014-04-30 | 宁波隆腾轴承液压件有限公司 | Electromagnetic valve |
| CN104373603A (en) * | 2014-10-16 | 2015-02-25 | 开封瑞科阀门有限公司 | Hidden rod type ultralow temperature stop valve with upper sealing structure, lower sealing structure and pressure relief device |
| CN204493840U (en) * | 2015-03-16 | 2015-07-22 | 张家港富瑞特种装备股份有限公司 | Cryogenic pipe solenoid valve |
-
2015
- 2015-03-16 CN CN201510114090.1A patent/CN104696575B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0535394A1 (en) * | 1991-10-04 | 1993-04-07 | Messer Griesheim Gmbh | Electromagnetic valve for liquified gas at low temperatures |
| CN2215635Y (en) * | 1995-03-10 | 1995-12-20 | 唐振立 | Pressure differnce-free two-direction electromagnetic valve |
| JP2005188650A (en) * | 2003-12-25 | 2005-07-14 | Toyota Motor Corp | Electromagnetic drive valve |
| CN101349348A (en) * | 2007-07-18 | 2009-01-21 | 浙江省医疗器械研究所 | Cryogenic fluid electromagnetic valve |
| CN201963944U (en) * | 2010-12-29 | 2011-09-07 | 天津市航翔科技发展有限公司 | Low-temperature normally-closed electromagnetic reversing valve |
| CN203571178U (en) * | 2013-10-25 | 2014-04-30 | 宁波隆腾轴承液压件有限公司 | Electromagnetic valve |
| CN104373603A (en) * | 2014-10-16 | 2015-02-25 | 开封瑞科阀门有限公司 | Hidden rod type ultralow temperature stop valve with upper sealing structure, lower sealing structure and pressure relief device |
| CN204493840U (en) * | 2015-03-16 | 2015-07-22 | 张家港富瑞特种装备股份有限公司 | Cryogenic pipe solenoid valve |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105318086A (en) * | 2015-11-30 | 2016-02-10 | 湖北中生汽车电器有限公司 | Electromagnetic valve assembly |
| TWI748176B (en) * | 2018-06-20 | 2021-12-01 | 日商阿自倍爾Ｔａ股份有限公司 | The electromagnetic valve |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104696575B (en) | 2017-06-06 |
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