CN205559877U - Heavy -calibre guide formula two -position three way solenoid valve - Google Patents
Heavy -calibre guide formula two -position three way solenoid valve Download PDFInfo
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- CN205559877U CN205559877U CN201620164890.4U CN201620164890U CN205559877U CN 205559877 U CN205559877 U CN 205559877U CN 201620164890 U CN201620164890 U CN 201620164890U CN 205559877 U CN205559877 U CN 205559877U
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Abstract
The utility model discloses a heavy -calibre guide formula two -position three way solenoid valve, the chamber of admitting air, play air cavity, exhaust chamber, first diaphragm chamber, second diaphragm chamber, first diaphragm group, second diaphragm group and guide's control structure, chamber and the play air cavity of admitting air feeds through through first diaphragm chamber, and with first diaphragm fabric becomes a break -make way, it passes through second diaphragm chamber intercommunication with the chamber of exhausting to go out the air cavity to become a break -make way with second diaphragm fabric, guide's control structure includes first pilot valve and second pilot valve, can realize the break -make on two above -mentioned break -make ways through the switch of controlling first pilot valve and second pilot valve. The utility model discloses a heavy -calibre guide formula two -position three way solenoid valve has overcome the little shortcoming of traditional two -position three way solenoid valve bore, can be applicable to large -traffic occasion, and whole structural design is simple in addition, can realize the switching of route through of the same kind power control, and the fault rate is low, has simplified pipe -line system and control system.
Description
Technical field
This utility model relates to solenoid valve market, is specifically related to a kind of heavy caliber pilot type two-position three-way solenoid valve.
Background technology
A kind of requirement is had to be an air inlet in pipeline flow-direction process, a gas outlet, an air vent.When giving vent to anger, exhaust close, air inlet communicates with gas outlet；When aerofluxus, inlet close, gas outlet communicates with air vent.The most common only small-bore three-way magnetic valve can meet this requirement.When needing heavy caliber, often using two two-way electromagnetic valves, need two road power supplys individually to control, pipeline configuration and control system are relatively complicated, and fault rate is higher, and cost is bigger.So existing two-position three way magnetic valve awaits the most perfect.
Utility model content
(1) to solve the technical problem that
The deficiency existed for prior art, this utility model provides a kind of heavy caliber pilot type two-position three-way solenoid valve.
(2) technical scheme
For reaching above-mentioned purpose, this utility model provides a kind of heavy caliber pilot type two-position three-way solenoid valve, including inlet chamber, outlet chamber, discharge chamber, primary diaphragm chamber, secondary diaphragm chamber, primary diaphragm group, secondary diaphragm group and pilot control structure；
Described inlet chamber is connected by primary diaphragm chamber with outlet chamber, and described primary diaphragm group is arranged on described primary diaphragm intracavity, and described primary diaphragm group is for controlling whether connecting of described inlet chamber and outlet chamber；
Described outlet chamber is connected by secondary diaphragm chamber with discharge chamber, and described secondary diaphragm group is arranged on described secondary diaphragm intracavity, and described secondary diaphragm group is for controlling whether connecting of described discharge chamber and outlet chamber；
Described primary diaphragm chamber, secondary diaphragm chamber and discharge chamber are interconnected by through hole；
Described pilot control structure includes the first pilot valve and the second pilot valve, described first pilot valve for control described primary diaphragm chamber and secondary diaphragm chamber, discharge chamber connection whether；Described second pilot valve for control described discharge chamber and primary diaphragm chamber, secondary diaphragm chamber connection whether.
Further, described primary diaphragm group is provided with the first balance pipe, and described secondary diaphragm group is provided with the second balance pipe, and described second balance pipe aperture is more than described first balance pipe aperture.
Further, described first pilot valve includes the first pilot port, movable valve plug spring, coil groups and movable valve plug, and described movable valve plug is blocked under the effect of valve core spring and coil groups magnetic force or unclamps described first pilot port.
Further, described second pilot valve includes the second pilot port, push rod bullet, coil groups and push rod, and described push rod is blocked under the effect of push rod spring and coil groups magnetic force or unclamps described second pilot port.
Further, described inlet chamber and outlet chamber are positioned at the side of described primary diaphragm group, and primary diaphragm chamber is positioned at the opposite side of described primary diaphragm group, and described primary diaphragm group is moved by pressure at both sides difference.
Further, described discharge chamber and outlet chamber are positioned at the side of described secondary diaphragm group, and secondary diaphragm chamber is positioned at the opposite side of described secondary diaphragm group, and described secondary diaphragm group is moved by pressure at both sides difference.
Further, the aperture of described through hole is more than the aperture of the second balance pipe.
(3) beneficial effect
This utility model heavy caliber pilot type two-position three-way solenoid valve overcomes the shortcoming that tradition two-position three way magnetic valve bore is little, the occasion of big flow can be applicable to, in addition total design is simple, control to realize the switching of path by a road power supply, failure rate is low, simplifies tubing and control system.
Accompanying drawing explanation
Fig. 1 is the structural representation that this utility model heavy caliber pilot type two-position three-way solenoid valve uses state 1；
Fig. 2 is the structural representation that this utility model heavy caliber pilot type two-position three-way solenoid valve uses state 2.
Wherein, 1 is valve body, and 2a is secondary diaphragm chamber, 2b is primary diaphragm chamber, and 3a is secondary diaphragm group, and 3b is primary diaphragm group, 4a, 4b are valve port, and 5a, 5b, 5c, 5d are through hole, and 6 is push rod spring, 7 is push rod, and 8 is quiet spool, and 9 is movable valve plug, 10 is movable valve plug spring, and 11 is valve seat, and 12 is nut, 13 is coil groups, 14a is the first pilot port, and 14b is the second pilot port, and 15a, 15b are valve chamber, 16a is the second balance pipe, 16b is the first balance pipe, and 17 is bolt, and 18 is discharge chamber, 19 is outlet chamber, and 20 is inlet chamber.
Detailed description of the invention
Below in conjunction with the accompanying drawings and embodiment, detailed description of the invention of the present utility model is described in further detail.Following example are used for illustrating this utility model, but are not limited to scope of the present utility model.
The structure of a kind of heavy caliber pilot type two-position three-way solenoid valve of the present utility model as depicted in figs. 1 and 2, including inlet chamber 20, outlet chamber 19, discharge chamber 18, primary diaphragm chamber 2b, secondary diaphragm chamber 2a, primary diaphragm group 3b, secondary diaphragm group 3a and pilot control structure；
Described inlet chamber 20, outlet chamber 19, discharge chamber 18, primary diaphragm chamber 2b, secondary diaphragm chamber 2a are arranged on valve body 1, and valve body 1, valve seat 11 are fixed by nut 12.Valve body 1 is then installed by bolt 17.
Described inlet chamber 20 is connected by primary diaphragm chamber 2b with outlet chamber 19, and described primary diaphragm group 3b is arranged in described primary diaphragm chamber 2b, and described primary diaphragm group 3b is for controlling whether connecting of described inlet chamber 20 and outlet chamber 19；
Described outlet chamber 19 is connected by secondary diaphragm chamber 2a with discharge chamber 18, and described secondary diaphragm group 3a is arranged in described secondary diaphragm chamber 2a, and described secondary diaphragm group 3a is for controlling whether connecting of described discharge chamber 18 and outlet chamber 19；
Described primary diaphragm chamber 2b, secondary diaphragm chamber 2a and discharge chamber 18 are interconnected by through hole 5a, 5b, 5c, 5d；
Described pilot control structure includes coil groups the 13, first pilot valve and the second pilot valve, described first pilot valve for control described primary diaphragm chamber 2b and secondary diaphragm chamber 2a, discharge chamber 18 connection whether；Described second pilot valve for control described discharge chamber 18 and primary diaphragm chamber 2b, secondary diaphragm chamber 2a connection whether.
In the present embodiment, described primary diaphragm group 3b is provided with the first balance pipe 16b, and described secondary diaphragm group 3a is provided with the second balance pipe 16a, and described second balance pipe 16a aperture is more than described first balance pipe 16b aperture.
In the present embodiment, described first pilot valve includes the first pilot port 14a, movable valve plug spring 10 and movable valve plug 9, and described movable valve plug is blocked under the effect of valve core spring 10 and coil groups magnetic force or unclamps described first pilot port.
In the present embodiment, described second pilot valve includes the second pilot port 14b, push rod spring 6 and push rod 7.Push rod 7 is blocked under the effect of push rod spring and coil groups magnetic force or unclamps the second pilot port.Wherein push rod 7 is connected as a single entity with movable valve plug 9.
Above-mentioned first pilot port 14a and the second pilot port 14b are arranged on quiet spool 8.
In the present embodiment, described inlet chamber 20 and outlet chamber 19 are positioned at the side of described primary diaphragm group 3b, and primary diaphragm chamber 2b is positioned at the opposite side of described primary diaphragm group 3b, and described primary diaphragm group 3b is moved by pressure at both sides difference.
In the present embodiment, described discharge chamber 18 and outlet chamber 19 are positioned at the side of described secondary diaphragm group 3a, and secondary diaphragm chamber 2a is positioned at the opposite side of described secondary diaphragm group 3a, and described secondary diaphragm group 3a is moved by pressure at both sides difference.
In the present embodiment, the aperture more than the second balance pipe 16a, the aperture of described through hole 5a, 5b, 5c, 5d.
Illustrate when coil groups 13 is not powered on referring to Fig. 1, duty of the present utility model.
Snout cavity 20 air inlet, arrives primary diaphragm chamber 2b by balance pipe 16b, then arrives the first pilot port 14a by through hole 5b.At this moment because movable valve plug 9 is closed downwardly against pilot hole 14a, the first pilot port 14a under spring 10 acts on, the pressure on the right side of primary diaphragm group 3b is closed more than the pressure in left side, valve port 4b, forms open circuit.Now there is pressure due to gas outlet 19, the secondary diaphragm chamber on the right side of secondary diaphragm group 3a is arrived by balance pipe 16a, valve chamber 15a is arrived again by through hole 5c, now the second pilot port 14b is open mode, and by through hole 5a pressure release to discharge chamber 18, at this moment the pressure on the right side of secondary diaphragm group 3a is more than the pressure in left side, valve port 4a opens, gas outlet 19 and air vent 18 communicate, and medium flows to discharge chamber 18 from outlet chamber 19, play self-bleeding function.
Illustrate when coil groups 13 is energized referring to Fig. 2, duty of the present utility model.Inlet chamber 20 air inlet, now produces electromagnetic force due to coil groups 13 energising, and movable valve plug 9 leaves quiet spool 8, and the first pilot port 14a is opened, and under the effect of push rod spring 6, the second pilot port 14b is closed.Pressure arrives valve chamber 15b by balance pipe 16b, through hole 5b and the first pilot port 14a, valve chamber 15a is reached by through hole 5d, at this moment it is closed due to the second pilot port 14b, pressure can only pass through through hole 5c and balance pipe 16a pressure release to outlet chamber 19, and can not pressure release to discharge chamber 18, simultaneously as the aperture of balance pipe 16a is more than balance pipe 16b, at this moment the pressure on the left of primary diaphragm group 3b is more than the pressure on right side, valve port 4b opens, and medium flows to outlet chamber 19 from inlet chamber 20.Pressure on the left of secondary diaphragm group 3a is closed more than the pressure on right side, valve port 4a simultaneously, and medium cannot flow out from discharge chamber 18, forms open circuit.
The beneficial effects of the utility model: overcome the shortcoming that tradition two-position three way magnetic valve bore is little, can be applicable to the occasion of big flow, total design is simple in addition, controls to realize the switching of path by a road power supply, failure rate is low, simplifies tubing and control system.
The above is only preferred implementation of the present utility model; should be understood that; for those skilled in the art; on the premise of without departing from this utility model know-why; can also make some improvements and modifications, these improvements and modifications also should be regarded as protection domain of the present utility model.
Claims (7)
1. a heavy caliber pilot type two-position three-way solenoid valve, it is characterized in that, including inlet chamber (20), outlet chamber (19), discharge chamber (18), primary diaphragm chamber (2b), secondary diaphragm chamber (2a), primary diaphragm group (3b), secondary diaphragm group (3a) and pilot control structure；
Described inlet chamber (20) is connected by primary diaphragm chamber (2b) with outlet chamber (19), in described primary diaphragm group (3b) is arranged on described primary diaphragm chamber (2b), described primary diaphragm group (3b) is used for controlling whether connecting of described inlet chamber (20) and outlet chamber (19)；
Described outlet chamber (19) is connected by secondary diaphragm chamber (2a) with discharge chamber (18), in described secondary diaphragm group (3a) is arranged on described secondary diaphragm chamber (2a), described secondary diaphragm group (3a) is used for controlling whether connecting of described discharge chamber (18) and outlet chamber (19)；
Described primary diaphragm chamber (2b), secondary diaphragm chamber (2a) and discharge chamber (18) are interconnected by through hole；
Described pilot control structure include the first pilot valve and the second pilot valve, described first pilot valve be used for controlling described primary diaphragm chamber (2b) and secondary diaphragm chamber (2a), discharge chamber (18) connection whether；Described second pilot valve be used for controlling described discharge chamber (18) and primary diaphragm chamber (2b), secondary diaphragm chamber (2a) connection whether.
2. heavy caliber pilot type two-position three-way solenoid valve as claimed in claim 1, it is characterized in that, described primary diaphragm group (3b) is provided with the first balance pipe (16b), described secondary diaphragm group (3a) is provided with the second balance pipe (16a), and described second balance pipe (16a) aperture is more than described first balance pipe (16b) aperture.
3. heavy caliber pilot type two-position three-way solenoid valve as claimed in claim 1, it is characterized in that, described first pilot valve includes the first pilot port (14a), coil groups (13), movable valve plug spring (10) and movable valve plug (9), and described movable valve plug (9) is blocked under the effect of valve core spring (10) and coil groups (13) magnetic force or unclamps described first pilot port (14a).
4. heavy caliber pilot type two-position three-way solenoid valve as claimed in claim 1, it is characterized in that, described second pilot valve includes the second pilot port (14b), coil groups (13), push rod spring (6) and push rod (7), and described push rod (7) is blocked under the effect of push rod spring (6) and coil groups (13) magnetic force or unclamps described second pilot port (14b).
5. heavy caliber pilot type two-position three-way solenoid valve as claimed in claim 1, it is characterized in that, described inlet chamber (20) and outlet chamber (19) are positioned at the side of described primary diaphragm group (3b), described primary diaphragm chamber (2b) is positioned at the opposite side of described primary diaphragm group (3b), and described primary diaphragm group (3b) is moved by pressure at both sides difference.
6. heavy caliber pilot type two-position three-way solenoid valve as claimed in claim 5, it is characterized in that, described discharge chamber (18) and outlet chamber (19) are positioned at the side of described secondary diaphragm group (3a), moved by pressure at both sides difference in the opposite side of described secondary diaphragm group (3a), described secondary diaphragm group (3a) in secondary diaphragm chamber (2a).
7. heavy caliber pilot type two-position three-way solenoid valve as claimed in claim 2, it is characterised in that the aperture of described through hole is more than the aperture of the second balance pipe (16a).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620164890.4U CN205559877U (en) | 2016-03-03 | 2016-03-03 | Heavy -calibre guide formula two -position three way solenoid valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620164890.4U CN205559877U (en) | 2016-03-03 | 2016-03-03 | Heavy -calibre guide formula two -position three way solenoid valve |
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| Publication Number | Publication Date |
|---|---|
| CN205559877U true CN205559877U (en) | 2016-09-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620164890.4U Active CN205559877U (en) | 2016-03-03 | 2016-03-03 | Heavy -calibre guide formula two -position three way solenoid valve |
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| CN (1) | CN205559877U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107725786A (en) * | 2017-09-29 | 2018-02-23 | 宁波捷尔天电气有限公司 | A kind of safe pilot solenoid valve |
| CN114087398A (en) * | 2021-12-17 | 2022-02-25 | 鞍山电磁阀有限责任公司 | Double-diaphragm electromagnetic valve |
| CN116877711A (en) * | 2023-09-08 | 2023-10-13 | 宁波索诺工业自控设备有限公司 | Pilot-operated electromagnetic diaphragm valve |
-
2016
- 2016-03-03 CN CN201620164890.4U patent/CN205559877U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107725786A (en) * | 2017-09-29 | 2018-02-23 | 宁波捷尔天电气有限公司 | A kind of safe pilot solenoid valve |
| CN107725786B (en) * | 2017-09-29 | 2024-04-26 | 宁波捷尔天电气有限公司 | Safe pilot electromagnetic valve |
| CN114087398A (en) * | 2021-12-17 | 2022-02-25 | 鞍山电磁阀有限责任公司 | Double-diaphragm electromagnetic valve |
| CN116877711A (en) * | 2023-09-08 | 2023-10-13 | 宁波索诺工业自控设备有限公司 | Pilot-operated electromagnetic diaphragm valve |
| CN116877711B (en) * | 2023-09-08 | 2023-12-15 | 宁波索诺工业自控设备有限公司 | Pilot-operated electromagnetic diaphragm valve |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |