CN108194683B - A kind of pilot-operated type bi-bit bi-pass electromagnetism pressure maintaining valve - Google Patents
A kind of pilot-operated type bi-bit bi-pass electromagnetism pressure maintaining valve Download PDFInfo
- Publication number
- CN108194683B CN108194683B CN201810001367.3A CN201810001367A CN108194683B CN 108194683 B CN108194683 B CN 108194683B CN 201810001367 A CN201810001367 A CN 201810001367A CN 108194683 B CN108194683 B CN 108194683B
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- Prior art keywords
- valve
- iron core
- valve body
- fixing seat
- hole
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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
- F16K11/00—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves
- F16K11/10—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with two or more closure members not moving as a unit
- F16K11/20—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with two or more closure members not moving as a unit operated by separate actuating 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
- F16K15/00—Check valves
- F16K15/02—Check valves with guided rigid valve members
- F16K15/04—Check valves with guided rigid valve members shaped as balls
- F16K15/044—Check valves with guided rigid valve members shaped as balls spring-loaded
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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
- F16K15/00—Check valves
- F16K15/18—Check valves with actuating mechanism; Combined check valves and actuated valves
- F16K15/182—Check valves with actuating mechanism; Combined check valves and actuated valves with actuating mechanism
- F16K15/1823—Check valves with actuating mechanism; Combined check valves and actuated valves with actuating mechanism for ball check 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
- F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
- F16K17/02—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side
- F16K17/04—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side spring-loaded
- F16K17/0406—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side spring-loaded in the form of balls
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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
- F16K31/0603—Multiple-way valves
- F16K31/0624—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
- 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
A kind of pilot-operated type bi-bit bi-pass electromagnetism pressure maintaining valve disclosed by the invention, including valve body, the valve body is respectively equipped with air inlet and air outlet, the gas port being connected to gas outlet is equipped in the valve body, the first guide assembly for controlling the access on or off between gas port and air inlet is provided on the valve body, the valve body is additionally provided with valve opening, the inner end of the valve opening is connected to gas port, check valve is provided in the middle part of the valve opening, the outer end of the valve opening is fixedly connected with valve seat, the valve seat is equipped with pore, the valve opening is communicated with the atmosphere by pore, relief valve is provided in the valve seat.Advantages of simple is arranged in structure of the invention, manufacturing cost is lower, when the pressure of air inlet is higher than the nominal pressure of gas equipment, cooperate preliminary pressure release first with check valve and pore, when the pressure of air inlet further increases, it is acted on using the pressure release of relief valve, achievees the effect that quick pressure releasing, to effectively make voltage regulation result of the invention preferable.
Description
Technical field
The present invention is divisional application, and the application number of female case is: 2015108229969.The present invention relates to valve class technical field,
In particular to a kind of pilot-operated type bi-bit bi-pass electromagnetism pressure maintaining valve.
Background technique
Valve class product is widely used in the fluid control of each technical field, and pilot-operated type bi-bit bi-pass electromagnetism pressure maintaining valve is it
One of, it is well known and common.Common pilot-operated type bi-bit bi-pass electromagnetism pressure maintaining valve, structure are logical on the market at present
Often include valve body, air inlet and air outlet are respectively equipped on valve body, are equipped with the gas port being connected to always with gas outlet, valve in valve body
The first guide assembly for controlling the access on or off between gas port and air inlet is additionally provided on body.Guide assembly is logical in the ban
When electric, the dynamic iron core of first guide assembly by magnetic attraction effect and far from gas port so that the input terminal of gas port is switched on, into
Gas passage is formed between port, gas port and gas outlet, the gas in air inlet flow to gas outlet at this time;Guide assembly is disconnected in the ban
When electric, dynamic iron core resets and in sealing contact with gas port under the action of dynamic iron core spring, so that the input terminal of gas port is sealed
Stifled, the gas in air inlet can not flow to gas outlet at this time.
However, above-mentioned pilot-operated type bi-bit bi-pass electromagnetism pressure maintaining valve is when in use, since air inlet is connected with gas source, when
When the air pressure of gas source is unstable, the air pressure of gas outlet is be easy to cause to fluctuate, especially the pressure of air inlet is higher than and is set with gas
When standby nominal pressure, the stability of gas equipment working performance can be seriously affected, or even gas equipment is caused to damage.To understand
Certainly this problem, compared with frequently with way be between gas source and air inlet setting one pressure maintaining valve, but use pressure maintaining valve not only
Meeting is so that pipeline structure setting is complicated, and increases use cost.
Summary of the invention
In view of the defects and deficiencies of the prior art, the present invention intends to provide a kind of simple and reasonable, manufacture at
This lower, preferable pilot-operated type bi-bit bi-pass electromagnetism pressure maintaining valve of voltage regulation result.
To achieve the above object, the invention adopts the following technical scheme:
A kind of pilot-operated type bi-bit bi-pass electromagnetism pressure maintaining valve of the present invention, including valve body, the valve body be respectively equipped with into
Port and gas outlet, the valve body is interior to be equipped with the gas port being connected to gas outlet, is provided on the valve body for controlling air guide
The first guide assembly of access on or off between hole and air inlet, the valve body are additionally provided with valve opening, the inner end of the valve opening with
Gas port is connected to, and is provided with check valve in the middle part of the valve opening, the outer end of the valve opening is fixedly connected with valve seat, and the valve seat is set
There is pore, the valve opening is communicated with the atmosphere by pore, is provided with relief valve in the valve seat;
The check valve include the first fixing seat, the first valve deck corresponding with the first fixing seat, first fixing seat and
The inner wall of valve body is interference fitted, and first fixing seat is equipped with first through hole, is set between the first through hole and the first valve deck
There is the first steel ball corresponding with first through hole, is supported between first valve deck and the valve seat and be equipped with long spring;
The relief valve include the second fixing seat, the second valve deck corresponding with the second fixing seat, second fixing seat and
Second valve deck is interference fitted with the inner wall of valve seat, and second valve deck is equipped with the second through-hole, is set in second fixing seat
Have third through-hole corresponding with the second through-hole, the third through-hole is communicated with the atmosphere, second valve deck and the second fixing seat it
Between be successively arranged the second steel ball and short spring, second steel ball connects under the elastic force effect of short spring with the sealing of the second through-hole
Touching.
Further, the first guide assembly includes casing, static iron core, dynamic iron core and coil block, the bottom end of described sleeve pipe
It is fixedly connected with the valve body, the static iron core is fixed in described sleeve pipe, is cooperatively formed between the valve body, casing and static iron core
Have valve chamber, the air inlet and gas port are connected to valve chamber, and the dynamic iron core is movably arranged in valve chamber, the dynamic iron core with it is quiet
It is supported between iron core and is equipped with dynamic iron core spring, the bottom end of the dynamic iron core is fixedly connected with the sealing with gas port sealing cooperation
Plug, the coil block are set to the outside of casing.
Further, the outer wall of the dynamic iron core penetrates through the dynamic iron along several air slots, the air slot is axially arranged with
The both ends of core.
Further, the bottom end of described sleeve pipe is extended with male threaded joint, described sleeve pipe by male threaded joint with
Valve body screw thread connection.
Further, sealing ring is provided between the male threaded joint and valve body.
Further, the bore dia of the pore is 1 one 3 millimeters.
The invention has the benefit that pilot-operated type bi-bit bi-pass electromagnetism pressure maintaining valve provided by the invention, by valve body
The valve opening being connected to gas port is set, check valve is set at the middle part of valve opening, valve seat is arranged in the outer end of valve opening, and divides in valve seat
Not She Zhi pore and relief valve, under working condition, when the air pressure in air inlet is higher than the nominal pressure of gas equipment, check valve
First because high pressure effect is switched on, so that pressure a part in air inlet enters in valve opening through gas port, and through the thin of valve seat
Hole is expelled to atmosphere, and when the air pressure in air inlet continues to increase, the air pressure in valve opening is also accordingly increased, so that relief valve is led
Logical, the gas in valve opening is expelled to atmosphere from pore and relief valve simultaneously at this time, to realize quick pressure releasing, reaches the effect of pressure stabilizing
Fruit.
In conclusion advantages of simple is arranged in structure of the invention, manufacturing cost is lower, is set when the pressure of air inlet is higher than with gas
When standby nominal pressure, cooperate preliminary pressure release first with check valve and pore, when the pressure of air inlet further increases, benefit
It is acted on the pressure release of relief valve, achievees the effect that quick pressure releasing, to effectively make voltage regulation result of the invention preferable.
Detailed description of the invention
Fig. 1 is overall structure diagram of the invention;
Fig. 2 is enlarged structure schematic diagram at A in Fig. 1.
In Fig. 1 and Fig. 2:
1, valve body;11, air inlet;12, gas outlet;13, gas port;14, valve opening;21, casing;211, external screw thread connects
Portion;212, sealing ring;22, static iron core;23, dynamic iron core;231, sealing-plug;232, air slot;24, coil block;25, dynamic iron core
Spring;3, valve chamber;41, the first fixing seat;411, first through hole;42, the first valve deck;43, the first steel ball;44, long spring;5, valve
Seat;51, pore;52, the second fixing seat;521, third through-hole;53, the second valve deck;531, the second through-hole;54, the second steel ball;
55, short spring.
Specific embodiment
The present invention will be further described below with reference to the drawings.
A kind of pilot-operated type bi-bit bi-pass electromagnetism pressure maintaining valve as depicted in figs. 1 and 2, including valve body 1, the valve body 1 are distinguished
Equipped with air inlet 11 and gas outlet 12, it is equipped with the gas port 13 being connected to gas outlet 12 in the valve body 1, is set on the valve body 1
It is equipped with the first guide assembly for controlling the access on or off between gas port 13 and air inlet H.
Elder generation's guide assembly includes casing 21, static iron core 22, dynamic iron core 23 and coil block 24, the bottom end of described sleeve pipe 21
It is fixedly connected with valve body 1, specifically, the bottom end of described sleeve pipe 21 is prolonged in order to keep mounting structure setting of the present invention more simple
Stretching has male threaded joint 211, and described sleeve pipe 21 is threadedly coupled by male threaded joint 211 with valve body 1, and the external screw thread connects
It is provided with sealing ring 212 between socket part 211 and valve body 1, by the way that sealing ring 212 is arranged, effectively improves leakproofness of the invention.Institute
It states and is fixed with the static iron core 22 in casing 21, cooperatively formed valve chamber 3 between the valve body 1, casing 21 and static iron core 22,
The air inlet H and gas port 13 are connected to valve chamber 3, and the dynamic iron core 23 is movably arranged in valve chamber 3, the dynamic iron core 23 with
It is supported between static iron core 22 and is equipped with dynamic iron core spring 25, the bottom end of the dynamic iron core 23 is fixedly connected with to be sealed with the gas port 13
The sealing-plug 231 of cooperation, the coil block 24 are set to the outside of casing 21.The outer wall edge of the dynamic iron core 23 is axially arranged with
Several air slots 232, the air slot 232 penetrate through the both ends of dynamic iron core 23, when dynamic iron core 23 under magneticaction to static iron core
When 22 directions are mobile, the gas between dynamic iron core 23 and static iron core 22 can be flowed through air slot 232 to the bottom end of dynamic iron core 23, from
And it ensure that the stability that dynamic iron core 23 moves.
The working principle of first guide assembly and guide assembly first in existing pilot-operated type bi-bit bi-pass electromagnetism pressure maintaining valve in the present invention
Working principle is identical, and and therefore not to repeat here.
The valve body 1 is additionally provided with valve opening 14, and the inner end of the valve opening 14 is connected to gas port 13, the middle part of the valve opening 14
It is provided with check valve, the outer end of the valve opening 14 is fixedly connected with valve seat 5, and the valve seat 5 is equipped with pore 51, it is preferable that in order to
Guarantee pressure release effect of the invention, the bore dia of the pore 51 is 1 one 3 millimeters, and the valve opening 14 passes through pore 51 and atmosphere
It is connected to, is provided with relief valve in the valve seat 5.
The check valve includes the first fixing seat 41, first valve deck 42 corresponding with the first fixing seat 41, and described first is solid
The inner wall of reservation 41 and valve body 1 is interference fitted, and first fixing seat 41 is equipped with first through hole 411, the first through hole 411
Be equipped with first steel ball 43 corresponding with first through hole 411 between the first valve deck 42, first valve deck 42 and the valve seat 5 it
Between support be equipped with long spring 44;
The relief valve includes the second fixing seat 52, second valve deck 53 corresponding with the second fixing seat 52, and described second is solid
Reservation 52 and the second valve deck 53 are interference fitted with the inner wall of valve seat 5, and second valve deck 53 is equipped with the second through-hole 531, institute
The second fixing seat 52 is stated equipped with third through-hole 521 corresponding with the second through-hole 531, the third through-hole 521 is communicated with the atmosphere,
The second steel ball 54 and short spring 55 are successively arranged between second valve deck 53 and the second fixing seat 52, second steel ball 54 exists
The elastic force effect of short spring 55 is lower in sealing contact with the second through-hole 531.
The operation principle of the present invention is that: (i.e. dynamic iron core 23 is separate under magnetic attraction effect leads under first guide assembly energized state
Stomata 13, air inlet 11 and gas port 13 are connected), when the stable gas pressure in air inlet 11, the air pressure in valve opening 14 is less than length
The elastic force of spring 44, the first steel ball 43 cooperate with the sealing of first through hole 411, and check valve and relief valve are in closed state, this
When air inlet 11 in gas successively flow to gas equipment through gas port 13, gas outlet 12;It is used when the pressure of air inlet 11 is higher than
When the nominal pressure of gas equipment, since the inner end of valve opening 14 is connected to gas port 13, so that the air pressure of 14 inner end of valve opening is also therewith
It increases, the gas of 14 inner end of valve opening squeezes the first valve deck 42 by the first steel ball 43 at this time, and long spring 44 is compressed, check valve quilt
Conducting, the gas of 14 inner end of valve opening flow to the middle part of valve opening 14 through the gap between the first fixing seat 41 and the first valve deck 42, and
The pore 51 for continuing on through valve seat 5 is expelled to atmosphere, realizes preliminary pressure release at this time;When the pressure in air inlet 11 further increases
When, the air pressure at 14 middle part of valve opening gradually rises, and the gas at 14 middle part of valve opening squeezes short spring 55 by the second steel ball 54 at this time, short
Spring 55 is compressed, and relief valve is switched on, and the air pressure a part at 14 middle part of valve opening is discharged through pore 51, and another part is logical through second
Hole 531 and third through-hole 521 are discharged, to realize quick pressure releasing;When the pressure of air inlet 11 restores normal again, check valve
It is again switched off under the action of respective springs with relief valve.The present invention passes through circulation aforesaid operations at work, to reach steady
The effect of pressure.
The embodiments described above only express several embodiments of the present invention, and the description thereof is more specific and detailed, but simultaneously
Limitations on the scope of the patent of the present invention therefore cannot be interpreted as.It should be pointed out that for those of ordinary skill in the art
For, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to guarantor of the invention
Protect range.Therefore, the scope of protection of the patent of the present invention should be subject to claim.
Claims (1)
1. a kind of pilot-operated type bi-bit bi-pass electromagnetism pressure maintaining valve, including valve body (1), the valve body (1) is respectively equipped with air inlet (11)
With gas outlet (12), the valve body (1) is interior to be equipped with the gas port (13) being connected to gas outlet (12), is arranged on the valve body (1)
There is the first guide assembly for controlling the access on or off between gas port (13) and air inlet (11), it is characterised in that:
The valve body (1) is additionally provided with valve opening (14), and the inner end of the valve opening (14) is connected to gas port (13), the valve opening (14)
Middle part be provided with check valve, the outer end of the valve opening (14) is fixedly connected with valve seat (5), the valve seat (5) be equipped with pore
(51), the valve opening (14) is communicated with the atmosphere by pore (51), is provided with relief valve in the valve seat (5);
The check valve include the first fixing seat (41), the first valve deck corresponding with the first fixing seat (41) (42), described first
The inner wall of fixing seat (41) and valve body (1) is interference fitted, and first fixing seat (41) is equipped with first through hole (411), described
Between first through hole (411) and the first valve deck (42) be equipped with the first steel ball (43) corresponding with first through hole (411), described first
It is supported between valve deck (42) and the valve seat (5) and is equipped with long spring (44);
The relief valve include the second fixing seat (52), the second valve deck corresponding with the second fixing seat (52) (53), described second
Fixing seat (52) and the second valve deck (53) are interference fitted with the inner wall of valve seat (5), and second valve deck (53) is equipped with second
Through-hole (531), second fixing seat (52) are equipped with third through-hole (521) corresponding with the second through-hole (531), the third
Through-hole (521) is communicated with the atmosphere, and is successively arranged the second steel ball (54) between second valve deck (53) and the second fixing seat (52)
With short spring (55), second steel ball (54) short spring (55) elastic force effect under it is in sealing contact with the second through-hole (531)；
Elder generation's guide assembly includes casing (21), static iron core (22), dynamic iron core (23) and coil block (24), described sleeve pipe (21)
Bottom end be fixedly connected with valve body (1), is fixed with static iron core (22) in described sleeve pipe (21), the valve body (1), casing (21)
And valve chamber (3) have been cooperatively formed between static iron core (22), the air inlet (11) and gas port (13) are connected to valve chamber (3),
The dynamic iron core (23) is movably arranged in valve chamber (3), supports between the dynamic iron core (23) and static iron core (22) and is equipped with dynamic iron core bullet
Spring (25), the bottom end of the dynamic iron core (23) are fixedly connected with the sealing-plug (231) with gas port (13) sealing cooperation, the line
Coil assembly (24) is set to the outside of casing (21)；
For the outer wall of the dynamic iron core (23) along being axially arranged with several air slots (232), the air slot (232) penetrates through dynamic iron core
(23) both ends；The bottom end of described sleeve pipe (21) is extended with male threaded joint (211), and described sleeve pipe (21) is connected by external screw thread
Socket part (211) is threadedly coupled with valve body (1)；Sealing ring is provided between the male threaded joint (211) and valve body (1)
(212)；The bore dia of the pore (51) is 1 to 3 millimeter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810001367.3A CN108194683B (en) | 2015-11-23 | 2015-11-23 | A kind of pilot-operated type bi-bit bi-pass electromagnetism pressure maintaining valve |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810001367.3A CN108194683B (en) | 2015-11-23 | 2015-11-23 | A kind of pilot-operated type bi-bit bi-pass electromagnetism pressure maintaining valve |
| CN201510822996.9A CN105351570B (en) | 2015-11-23 | 2015-11-23 | A kind of two-position two-way solenoid valve |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510822996.9A Division CN105351570B (en) | 2015-11-23 | 2015-11-23 | A kind of two-position two-way solenoid valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108194683A CN108194683A (en) | 2018-06-22 |
| CN108194683B true CN108194683B (en) | 2019-07-19 |
Family
ID=55327600
Family Applications (5)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810001367.3A Active CN108194683B (en) | 2015-11-23 | 2015-11-23 | A kind of pilot-operated type bi-bit bi-pass electromagnetism pressure maintaining valve |
| CN201810061199.7A Withdrawn CN108278389A (en) | 2015-11-23 | 2015-11-23 | Two-position two-way solenoid valve and its working method |
| CN201810001366.9A Active CN108006266B (en) | 2015-11-23 | 2015-11-23 | Bi-bit bi-pass electromagnetism pressure maintaining valve |
| CN201810060724.3A Withdrawn CN108278388A (en) | 2015-11-23 | 2015-11-23 | The preferable two-position two-way solenoid valve of voltage regulation result and its working method |
| CN201510822996.9A Active CN105351570B (en) | 2015-11-23 | 2015-11-23 | A kind of two-position two-way solenoid valve |
Family Applications After (4)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810061199.7A Withdrawn CN108278389A (en) | 2015-11-23 | 2015-11-23 | Two-position two-way solenoid valve and its working method |
| CN201810001366.9A Active CN108006266B (en) | 2015-11-23 | 2015-11-23 | Bi-bit bi-pass electromagnetism pressure maintaining valve |
| CN201810060724.3A Withdrawn CN108278388A (en) | 2015-11-23 | 2015-11-23 | The preferable two-position two-way solenoid valve of voltage regulation result and its working method |
| CN201510822996.9A Active CN105351570B (en) | 2015-11-23 | 2015-11-23 | A kind of two-position two-way solenoid valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (5) | CN108194683B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107747639A (en) * | 2017-11-16 | 2018-03-02 | 南通精维风电科技有限公司 | A kind of pressure relief for offshore wind generating |
| CN112709856B (en) * | 2019-10-25 | 2023-06-23 | 未势能源科技有限公司 | Solenoid valve device, pressure vessel and vehicle |
| CN113738884A (en) * | 2021-09-16 | 2021-12-03 | 中国北方发动机研究所(天津) | Diesel oil cut-off electromagnetic valve with one-way valve |
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| GB910903A (en) * | 1959-12-11 | 1962-11-21 | Dowty Mining Equipment Ltd | Fluid-pressure-operated relief valve |
| FR2460434A1 (en) * | 1979-06-28 | 1981-01-23 | Commissariat Energie Atomique | AUTOMATIC PURGE SAFETY VALVE |
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2015
- 2015-11-23 CN CN201810001367.3A patent/CN108194683B/en active Active
- 2015-11-23 CN CN201810061199.7A patent/CN108278389A/en not_active Withdrawn
- 2015-11-23 CN CN201810001366.9A patent/CN108006266B/en active Active
- 2015-11-23 CN CN201810060724.3A patent/CN108278388A/en not_active Withdrawn
- 2015-11-23 CN CN201510822996.9A patent/CN105351570B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1272913A (en) * | 1998-06-17 | 2000-11-08 | 尤卡有限责任公司 | Valve combination for vibration pumps |
| CN1762746A (en) * | 2004-09-17 | 2006-04-26 | 罗伯特.博世有限公司 | Electronic controlled valve arrangement |
| CN201106703Y (en) * | 2007-08-09 | 2008-08-27 | 杭州神林电子有限公司 | Voltage-stabilizing electromagnetic valve used on household electric appliance |
| CN202118322U (en) * | 2011-06-16 | 2012-01-18 | 浙江康泉电器有限公司 | Pressure-relief water-break type safety valve |
| CN203880126U (en) * | 2014-05-15 | 2014-10-15 | 章华 | One-way pressure relief structure of gate valve and capable of preventing abnormal overpressure in center cavity |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105351570B (en) | 2018-01-16 |
| CN108194683A (en) | 2018-06-22 |
| CN108006266B (en) | 2019-08-13 |
| CN108278389A (en) | 2018-07-13 |
| CN108278388A (en) | 2018-07-13 |
| CN105351570A (en) | 2016-02-24 |
| CN108006266A (en) | 2018-05-08 |
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Effective date of registration: 20190621 Address after: 315000 No. 10 Xinxin Road, Xikou Town, Fenghua District, Ningbo City, Zhejiang Province Applicant after: Ningbo Yongyi pneumatic Tech Co. Ltd. Address before: 325000 Chaoyang Road 60, Tang Xia Town, Ruian City, Wenzhou, Zhejiang Applicant before: Shao Zuoquan |
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