CN210196617U

CN210196617U - Two-position four-way electromagnetic valve

Info

Publication number: CN210196617U
Application number: CN201921259155.1U
Authority: CN
Inventors: Yongjie Cao; 曹湧杰; Binbin Xie; 解斌斌; Zhicai Liu; 刘智财
Original assignee: WUXI HUATONG PNEUMATIC MANUFACTURE Co Ltd
Current assignee: WUXI HUATONG PNEUMATIC MANUFACTURE Co Ltd
Priority date: 2019-08-06
Filing date: 2019-08-06
Publication date: 2020-03-27
Anticipated expiration: 2029-08-06

Abstract

The utility model discloses a two four-way solenoid valve, its technical scheme main points are: the valve comprises a valve body, wherein a coil is arranged in the valve body, a pressing block for sucking and lifting the coil after the coil is electrified is arranged at the bottom of the coil, a first valve rod, a second valve rod, a third valve rod and a fourth valve rod are fixedly arranged on the pressing block through fastening screws, a first valve cavity for the first valve rod to vertically slide, a second valve cavity for the second valve rod to vertically slide, a third valve cavity for the third valve rod to vertically slide and a fourth valve cavity for the fourth valve rod to vertically slide are respectively formed in the valve body, and an air inlet channel communicated with the interiors of the first valve cavity and the third valve cavity is formed in the valve body; the electromagnetic pilot direct-acting type valve has the advantages of high action frequency, compact structure and small volume, and only has high requirement on the smoothness of a valve port, but not on the whole valve cavity.

Description

Two-position four-way electromagnetic valve

Technical Field

The utility model relates to a solenoid valve, in particular to two four-way solenoid valves.

Background

The electromagnetic valve is an industrial device controlled by electromagnetism, is an automatic basic element for controlling fluid, belongs to an actuator, and is not limited to hydraulic pressure and pneumatic pressure. Used in industrial control systems to regulate the direction, flow, velocity and other parameters of a medium. The solenoid valve can be matched with different circuits to realize expected control, and the control precision and flexibility can be ensured.

Chinese patent publication No. CN110036226A discloses a solenoid valve which can smoothly move a fluid in accordance with the movement of a plunger and has high durability of a rod. The slide column is moved by a rod, a breathing hole penetrating the sleeve in the radial direction is provided on the solenoid case side of the sleeve, the breathing hole communicates the space inside the housing section with the outside at least when the cylindrical plunger is in a predetermined region, a through hole is formed in the axial direction at the center in the radial direction of the cylindrical plunger, the rod is solid, and opposed groove sections are formed at the opposed end sections thereof opposed to the cylindrical plunger) side, the opposed groove sections pass through the center in the radial direction of the cylindrical plunger and penetrate both sides in the radial direction of the rod where the cutout sections are formed, and the inner surfaces of the opposed groove sections are formed in an arc shape symmetrical when viewed in the radial direction.

The electromagnetic valve has the advantage of small sliding resistance, and the electromagnetic valve or the traditional electromagnetic valve is generally in the form of a sliding column, so that the size is large, the requirement on the smoothness of an inner cavity of a valve body is high, burrs of a through hole are difficult to remove, and the defect of low reversing action frequency exists.

SUMMERY OF THE UTILITY MODEL

To the problem of mentioning in the background art, the utility model aims at providing a two four-way solenoid valve to solve the problem of mentioning in the background art.

The above technical purpose of the present invention can be achieved by the following technical solutions:

a two-position four-way electromagnetic valve comprises a valve body, wherein a coil is arranged in the valve body, a pressing block for sucking and lifting the coil after the coil is electrified is arranged at the bottom of the coil, a first valve rod, a second valve rod, a third valve rod and a fourth valve rod are fixedly installed on the pressing block through fastening screws, a first valve cavity for the first valve rod to vertically slide, a second valve cavity for the second valve rod to vertically slide, a third valve cavity for the third valve rod to vertically slide and a fourth valve cavity for the fourth valve rod to vertically slide are respectively formed in the valve body, an air inlet channel communicated with the inner parts of the first valve cavity and the third valve cavity is formed in the valve body, a first sealing plug is fixed at the bottom end of the first valve rod, a third sealing plug is fixed at the bottom end of the third valve rod, an air outlet channel communicated with the inner parts of the second valve cavity and the fourth valve cavity is formed in the valve body, the bottom end of the second valve rod is fixedly provided with a second seal plug, the bottom of the fourth valve rod is fixedly provided with a fourth seal plug, a first working port channel communicated with the first valve cavity is further formed in the valve body, and a second working port channel communicated with the inside of the second valve cavity is further formed in the valve body.

By adopting the technical scheme, when compressed air enters the valve body from the air inlet flow channel, the first seal plug at the end part of the first valve rod is not contacted with the valve port, and a medium enters the second working port flow channel through the valve port, so that the working port inflation function is realized; when the coil is electrified, the pressing block moves upwards under the action of magnetic force, and the pressing block, the first valve rod, the second valve rod, the third valve rod and the fourth valve rod are fixed into a whole by the set screw, so that the first valve rod, the second valve rod, the third valve rod and the fourth valve rod move upwards together, the second sealing plug is separated from the valve port, gas enters the exhaust port channel from the second working port channel, and the exhaust function of the second working port channel is realized; the electromagnetic pilot direct-acting type valve has the advantages of high action frequency, compact structure and small volume, and only has high requirement on the smoothness of a valve port, but not on the whole valve cavity.

Preferably, the end portions of the air inlet channel, the air outlet channel, the first working port channel and the second working port channel on the valve body are respectively provided with threads.

Through adopting above-mentioned technical scheme, the screw thread of air inlet passageway, gas vent passageway, first working port passageway and second working port passageway tip can make things convenient for external pipeline.

Preferably, the valve body is further provided with indicating grooves for indicating the positions of the air inlet channel, the air outlet channel, the first working port channel and the second working port channel.

Through adopting above-mentioned technical scheme, utilize and instruct the recess can the person of facilitating the use discernment air inlet passageway, gas vent passageway, first working port passageway and second working port passageway.

Preferably, the valve body comprises a base and a top cover, and the top cover is arranged above the base.

Through adopting above-mentioned technical scheme, the overhead guard can protect the coil.

Preferably, the first valve cavity and the third valve cavity penetrate through the base in the whole valve body, and a plug is further fixed at the end of the first valve rod and the end of the third valve rod.

Through adopting above-mentioned technical scheme, adopt the through-hole with first valve pocket and second valve pocket and have the characteristics of convenient processing, and utilize the end cap to plug up first valve pocket and second valve pocket tip.

Preferably, an O-ring is arranged between the plug and the first valve chamber/the third valve chamber.

By adopting the technical scheme, the O-shaped ring can increase the connection sealing performance of the plug and the first valve cavity and the third valve cavity.

Preferably, the bottom of the valve body is provided with two threaded holes.

Through adopting above-mentioned technical scheme, the screw hole that utilizes the valve body bottom can conveniently be fixed the use with two cross valves.

To sum up, the utility model discloses mainly have following beneficial effect:

when compressed air enters the valve body from the air inlet flow channel, the first seal plug at the end part of the first valve rod is not contacted with the valve port, and a medium enters the second working port flow channel through the valve port, so that the working port inflation function is realized; when the coil is electrified, the pressing block moves upwards under the action of magnetic force, and the pressing block, the first valve rod, the second valve rod, the third valve rod and the fourth valve rod are fixed into a whole by the set screw, so that the first valve rod, the second valve rod, the third valve rod and the fourth valve rod move upwards together, the second sealing plug is separated from the valve port, gas enters the exhaust port channel from the second working port channel, and the exhaust function of the second working port channel is realized; the electromagnetic pilot direct-acting type valve has the advantages of high action frequency, compact structure and small volume, and only has high requirement on the smoothness of a valve port, but not on the whole valve cavity.

Drawings

FIG. 1 is a schematic structural diagram of a two-position four-way solenoid valve;

FIG. 2 is one of the structural cross-sectional views of a two-position, four-way solenoid valve;

FIG. 3 is a second cross-sectional view of the two-position four-way solenoid valve;

FIG. 4 is a partial exploded view of a two-position, four-way solenoid valve.

Reference numerals: 1. a valve body; 2. a coil; 3. briquetting; 4. fastening screws; 5. a first valve stem; 6. a second valve stem; 7. a third valve stem; 8. a fourth valve stem; 9. a first valve chamber; 10. a second valve cavity; 11. a third valve cavity; 12. a fourth valve cavity; 13. an air inlet channel; 14. a first bung; 15. a third sealing plug; 16. an exhaust port channel; 17. a second bung; 18. a fourth bung; 19. a first working port channel; 20. a second working port channel; 21. an indication groove; 22. a base; 23. a top cover; 24. a plug; 25. an O-shaped ring; 26. a threaded bore.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 to 4, a two-position four-way solenoid valve includes a valve body 1, wherein a coil 2 is installed in the valve body 1, a press block 3 for sucking and lifting the coil 2 after the coil 2 is energized is disposed at the bottom of the coil 2, wherein the press block 3 is fixedly installed with a first valve rod 5, a second valve rod 6, a third valve rod 7 and a fourth valve rod 8 through a fastening screw 4, a first valve cavity 9 for the first valve rod 5 to vertically slide, a second valve cavity 10 for the second valve rod 6 to vertically slide, a third valve cavity 11 for the third valve rod 7 to vertically slide and a fourth valve cavity 12 for the fourth valve rod 8 to vertically slide are respectively disposed in the valve body 1, an air inlet passage 13 communicated with the first valve cavity 9 and the third valve cavity 11 is disposed on the valve body 1, a first seal 14 is fixed at the bottom end of the first valve rod 5, a third seal 15 is fixed at the bottom end of the third valve rod 7, an air outlet passage 16 communicated with the second valve cavity 10 and the fourth valve cavity 12 is disposed on the valve body, the bottom end of the second valve rod 6 is fixed with a second sealing plug 17, the bottom of the fourth valve rod 8 is fixed with a fourth sealing plug 18, a first working port channel 19 communicated with the first valve cavity 9 is further formed in the valve body 1, and a second working port channel 20 communicated with the inside of the second valve cavity 10 is further formed in the valve body 1.

Referring to fig. 1 to 4, in order to facilitate connection of the two-position four-way solenoid valve with a pipeline, end portions of the air inlet channel 13, the air outlet channel 16, the first working port channel 19 and the second working port channel 20 on the valve body 1 are respectively provided with threads, and the threads at the end portions of the air inlet channel 13, the air outlet channel 16, the first working port channel 19 and the second working port channel 20 can facilitate external connection of the pipeline; meanwhile, an indication groove 21 for indicating the positions of the air inlet channel 13, the air outlet channel 16, the first working port channel 19 and the second working port channel 20 is further formed in the valve body 1, and a user can conveniently identify the air inlet channel 13, the air outlet channel 16, the first working port channel 19 and the second working port channel 20 by using the indication groove 21; the valve body 1 comprises a base 22 and a top cover 23, the top cover 23 is arranged above the base 22, and the top cover 23 can protect the coil 2; the first valve cavity 9 and the third valve cavity 11 penetrate through the base 22 in the whole valve body 1, the end parts of the first valve rod 5 and the third valve rod 7 are further fixed with plugs 24, the first valve cavity 9 and the second valve cavity 10 are provided with through holes, the through holes are convenient to process, and the end parts of the first valve cavity 9 and the second valve cavity 10 can be plugged by the plugs 24.

Referring to fig. 1 to 4, an O-ring 25 is disposed between the plug 24 and the first valve chamber 9/the third valve chamber 11, and the O-ring 25 can increase the connection tightness between the plug 24 and the first valve chamber 9 and the third valve chamber 11; two threaded holes 26 are formed in the bottom of the valve body 1, and the two-position four-way valve can be conveniently fixed and used by means of the threaded holes 26 in the bottom of the valve body 1.

In summary, when the compressed air enters the valve body 1 from the air inlet channel, the first plug 14 at the end of the first valve rod 5 does not contact the valve port, and the medium enters the second working port channel through the valve port, so as to realize the working port inflation function; when the coil 2 is electrified, the pressing block 3 moves upwards under the action of magnetic force, and the pressing block 3, the first valve rod 5, the second valve rod 6, the third valve rod 7 and the fourth valve rod 8 are fixed into a whole by the set screws, so that the first valve rod 5, the second valve rod 6, the third valve rod 7 and the fourth valve rod 8 move upwards together, the second sealing plug 17 is separated from the valve port, gas enters the exhaust port channel 16 from the second working port channel, and the exhaust function of the second working port channel is realized; the electromagnetic pilot direct-acting type valve has the advantages of high action frequency, compact structure and small volume, and only has high requirement on the smoothness of a valve port, but not on the whole valve cavity.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a two four-way solenoid valve, includes valve body (1), its characterized in that: the valve body (1) is internally provided with a coil (2), the bottom of the coil (2) is provided with a pressing block (3) for sucking and lifting the coil (2) after being electrified, the pressing block (3) is fixedly provided with a first valve rod (5), a second valve rod (6), a third valve rod (7) and a fourth valve rod (8) through a fastening screw (4), a first valve cavity (9) for the first valve rod (5) to vertically slide, a second valve cavity (10) for the second valve rod (6) to vertically slide, a third valve cavity (11) for the third valve rod (7) to vertically slide and a fourth valve cavity (12) for the fourth valve rod (8) to vertically slide are respectively arranged in the valve body (1), and the valve body (1) is provided with an air inlet passage (13) communicated with the interiors of the first valve cavity (9) and the third valve cavity (11), first valve rod (5) bottom mounting has first shutoff stopper (14), third valve rod (7) bottom mounting third shutoff stopper (15), set up on valve body (1) with second valve pocket (10) with inside gas vent passageway (16) that communicate each other of fourth valve pocket (12), second valve rod (6) bottom mounting has second shutoff stopper (17), fourth valve rod (8) bottom mounting has fourth shutoff stopper (18), still set up in valve body (1) with first work port passageway (19) that first valve pocket (9) communicate each other, still set up in valve body (1) with second work port passageway (20) that second valve pocket (10) inside communicates each other.

2. The two-position four-way solenoid valve of claim 1, wherein: the end parts of the air inlet channel (13), the air outlet channel (16), the first working port channel (19) and the second working port channel (20) on the valve body (1) are respectively provided with threads.

3. The two-position four-way solenoid valve of claim 1, wherein: the valve body (1) is further provided with an indicating groove (21) for indicating the positions of the air inlet channel (13), the air outlet channel (16), the first working port channel (19) and the second working port channel (20).

4. The two-position four-way solenoid valve of claim 1, wherein: the valve body (1) comprises a base (22) and a top cover (23), and the top cover (23) is installed above the base (22).

5. The two-position four-way solenoid valve of claim 4, wherein: the first valve cavity (9) and the third valve cavity (11) penetrate through the base (22) in the whole valve body (1), and plugs (24) are further fixed to the ends of the first valve rod (5) and the third valve rod (7).

6. The two-position four-way solenoid valve of claim 5, wherein: an O-shaped ring (25) is arranged between the choke plug (24) and the first valve cavity (9)/the third valve cavity (11).

7. The two-position four-way solenoid valve of claim 1, wherein: two threaded holes (26) are formed in the bottom of the valve body (1).