CN216975955U - Large-flow high-frequency electromagnetic valve - Google Patents
Large-flow high-frequency electromagnetic valve Download PDFInfo
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- CN216975955U CN216975955U CN202220463009.6U CN202220463009U CN216975955U CN 216975955 U CN216975955 U CN 216975955U CN 202220463009 U CN202220463009 U CN 202220463009U CN 216975955 U CN216975955 U CN 216975955U
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Abstract
The utility model relates to the technical field of electromagnetic valves, in particular to a large-flow high-frequency electromagnetic valve, which comprises a valve body and a pilot head assembly arranged on the valve body, wherein the pilot head assembly comprises a magnetism isolating sleeve, a static iron core, a movable iron core and a coil, the magnetism isolating sleeve is fixedly connected with the valve body through a nut, the static iron core is fixedly arranged in the magnetism isolating sleeve, a valve cavity is formed among the valve body, the magnetism isolating sleeve and the static iron core, the movable iron core is movably arranged in the valve cavity, a spring is arranged between the movable iron core and the static iron core in a propping manner, an air inlet and an air outlet are arranged on the valve body, a valve nozzle is arranged in the valve body, the air inlet and the valve nozzle are respectively communicated with the valve cavity, the air outlet is communicated with the valve nozzle through an air outlet channel, a mounting groove is arranged at the bottom of the movable iron core, a rubber plug is movably arranged in the mounting groove, the rubber plug is in sliding fit with the mounting groove along the axial direction, the lower end of the rubber plug is in sealing fit with the valve nozzle, the air outlet channel is arranged on the rubber plug, the lower end of the air guide channel is communicated with the valve nozzle, and the movable iron core is provided with an air flow channel.
Description
Technical Field
The utility model relates to the technical field of electromagnetic valves, in particular to a large-flow high-frequency electromagnetic valve which is suitable for textile machinery, especially for an air jet loom.
Background
The electromagnetic valve is an electromagnetic control industrial device, is an automatic basic element for controlling fluid and belongs to an actuator. The basic structure of the electromagnetic valve mainly comprises a valve body and a pilot assembly, wherein the pilot assembly comprises a magnetic isolation sleeve, a static iron core, a movable iron core and a coil, the magnetic isolation sleeve is connected with the valve body, the static iron core is fixedly arranged in the magnetic isolation sleeve, the movable iron core is movably arranged between the static iron core and the valve body, the movable iron core is in sealing fit with a valve nozzle (also called a volcanic opening) of the valve body, the movable iron core is also connected with a movable iron core spring, the movable iron core spring is usually arranged between the movable iron core and the valve body or the static iron core in an abutting mode and used for enabling the movable iron core to always have the trend of sealing the valve nozzle, and the coil is sleeved outside the magnetic isolation sleeve. When the valve works, the coil is switched on or off to drive the movable iron core to correspondingly act, so that the gas circuit switching/switching-on and switching-off of the valve body can be realized.
In order to improve the sealing effect of the movable iron core on the valve nozzle, a rubber plug is usually arranged at the end of the movable iron core. In the prior art, the rubber plug is generally fixed at the end of the movable iron core. This kind of be fixed in rubber buffer and move mounting structure of iron core tip for moving the iron core and need overcoming simultaneously and move the elasticity of iron core spring and inlet pressure (be back pressure) and just can open the valve cock, not only lead to needing the coil to provide great electromagnetic attraction, increased manufacturing cost, in the twinkling of an eye, move the iron core and can't accomplish timely response action moreover, lead to reaction sensitivity lower, therefore can't be applicable to high frequency, large-traffic job scenario.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects and shortcomings of the prior art, the utility model provides the large-flow high-frequency electromagnetic valve which has the advantages of higher response speed and higher sensitivity and can be suitable for high-frequency and large-flow working scenes.
In order to achieve the purpose, the technical scheme applied by the utility model is as follows:
a high-flow high-frequency electromagnetic valve comprises a valve body and a pilot head assembly arranged on the valve body, wherein the pilot head assembly comprises a magnetism isolating sleeve, a static iron core, a movable iron core and a coil, the magnetism isolating sleeve is fixedly connected with the valve body through a nut, the static iron core is fixedly arranged in the magnetism isolating sleeve, a valve cavity is formed between the valve body, the magnetism isolating sleeve and the static iron core, the movable iron core is movably arranged in the valve cavity, a spring is arranged between the movable iron core and the static iron core in a propping manner, an air inlet and an air outlet are arranged on the valve body, a valve nozzle is arranged in the valve body, the air inlet and the valve nozzle are respectively communicated with the valve cavity, the air outlet is communicated with the valve nozzle through an air outlet channel, a mounting groove is arranged at the bottom of the movable iron core, a rubber plug is movably arranged in the mounting groove, the rubber plug is in sliding fit with the mounting groove along the axial direction, the lower end of the rubber plug is in sealing fit with the valve nozzle, an air outlet channel is arranged on the rubber plug, the air guide channel, the lower end of the air guide channel is communicated with the valve nozzle, the movable iron core is provided with an airflow channel, the upper end of the airflow channel is directly communicated with the valve cavity, the lower end of the airflow channel is communicated with the mounting groove, and a convex ring in sealing fit with the upper end of the air guide channel extends from the center of the inner top of the mounting groove.
According to the scheme, the valve nozzle and the air guide channel are both located on the central axis of the rubber plug, and one end, close to the mounting groove, of the air flow channel is in complete dislocation fit with the air guide channel.
According to the scheme, the number of the air outlets is multiple.
According to the scheme, the air inlet is internally provided with the first O-shaped ring.
According to the scheme, the static iron core is fixedly arranged in the magnetism isolating sleeve through the fixing component, the fixing component comprises the pressing plate, the conical gasket and the inner hexagonal countersunk head screw, the conical gasket is sleeved on the inner hexagonal countersunk head screw, and the inner hexagonal countersunk head screw penetrates through the pressing plate and is fixedly connected with the static iron core.
According to the scheme, the wear-resistant ring is sleeved outside the movable iron core.
According to the scheme, one end of the movable iron core, which is provided with the mounting groove, is provided with the gentle impact pad.
According to the scheme, the end part of the valve body connected with the magnetism isolating sleeve is provided with a second O-shaped ring.
According to the scheme, the valve body is provided with the mounting hole.
The utility model has the beneficial effects that:
the utility model adopts the structure arrangement, and the working principle is as follows: when the valve is installed, the air inlet on the valve body is fixedly connected with the air outlet of the air jet loom. In the initial state, under the condition that the coil is not electrified, the movable iron core is separated from the static iron core under the action of the elastic force of the spring, the air inlet, the valve cavity and the air flow channel are communicated, the air outlet channel and the air guide channel are communicated, because the upper end of the rubber plug is tightly abutted to the convex ring, the lower end of the rubber plug is tightly abutted to the valve nozzle, the convex ring separates the air flow channel from the air guide channel, when the air needs to be exhausted, the coil is electrified, the movable iron core is displaced towards the direction of the static iron core, when the rubber plug is separated from the convex ring, the air flow channel is communicated with the air guide channel, so that the air is exhausted from the air inlet, the valve cavity, the air flow channel, the air guide channel, the air outlet channel and the air outlet, when the pressure of the exhausted air in the air flow channel is less than the pressure in the valve cavity, the air in the valve cavity pushes the rubber plug to be displaced towards the direction of the convex ring, when the air plug is tightly abutted to the convex ring, the valve cavity is directly communicated with the valve nozzle, and gas is discharged through the gas inlet, the valve cavity, the gas outlet channel and the gas outlet at the moment.
Drawings
FIG. 1 is an overall block diagram of the present invention;
fig. 2 is a sectional view taken along line a-a of fig. 1.
1. A coil; 2. a nut; 3. a valve body; 4, O-shaped ring I; 5. pressing a plate; 6. a tapered washer; 7. inner hexagon countersunk head screws; 8. a stationary iron core; 9. a spring; 10. a movable iron core; 11. a magnetic isolation sleeve; 12. a wear ring; 13. gently punching the pad; 14, an O-shaped ring II; 15. a rubber plug; 16. mounting grooves; 20. a pilot head assembly; 21. an air inlet; 22. an air outlet; 30. a valve cavity; 31. an air flow channel; 32. a convex ring; 33. an air guide channel; 34. a valve nozzle; 35. an air outlet channel; 40. and (7) mounting holes.
Detailed Description
The technical solution of the present invention is described below with reference to the accompanying drawings and examples.
As shown in fig. 1 and 2, the high-flow high-frequency electromagnetic valve of the utility model comprises a valve body 3 and a pilot head assembly 20 arranged on the valve body 3, wherein the pilot head assembly 20 comprises a magnetic isolation sleeve 11, a static iron core 8, a movable iron core 10 and a coil 1, the magnetic isolation sleeve 11 is fixedly connected with the valve body 3 through a nut 2, the static iron core 8 is fixedly arranged in the magnetic isolation sleeve 11, a valve cavity 30 is formed among the valve body 3, the magnetic isolation sleeve 11 and the static iron core 8, the movable iron core 10 is movably arranged in the valve cavity 30, a spring 9 is arranged between the movable iron core 10 and the static iron core 8 in a propping manner, an air inlet 21 and an air outlet 22 are arranged on the valve body 3, a valve nozzle 34 is arranged in the valve body 3, the air inlet 21 and the valve nozzle 34 are respectively communicated with the valve cavity 30, the air outlet 22 is communicated with the valve nozzle 34 through an air outlet channel 35, a mounting groove 16 is arranged at the bottom of the movable iron core 10, a rubber plug 15 is movably arranged in the mounting groove 16, the rubber plug 15 is in sliding fit with the mounting groove 16 along the axial direction, the lower end of the rubber plug 15 is in sealing fit with the valve nozzle 34, the rubber plug 15 is provided with an air guide channel 33, the lower end of the air guide channel 33 is directly communicated with the valve nozzle 34, the movable iron core 10 is provided with an air flow channel 31, the upper end of the air flow channel 31 is directly communicated with the valve cavity 30, the lower end of the air flow channel 31 is communicated with the mounting groove 16, and a convex ring 32 in sealing fit with the upper end of the air guide channel 33 extends from the center of the inner top of the mounting groove 16. The above constitutes the basic structure of the present invention.
The utility model adopts the structure arrangement, and the working principle is as follows: during installation, the air inlet 21 of the valve body 3 is fixedly connected with the air outlet of the air jet loom. In an initial state, as shown in fig. 2, when the coil 1 is not energized, the movable iron core 10 is under the elastic force of the spring 9, the movable iron core 10 is separated from the stationary iron core 8, the air inlet 21, the valve cavity 30 and the air flow channel 31 are in communication, the air outlet 22, the air outlet channel 35 and the air guide channel 33 are in communication, because the upper end of the rubber plug 15 is tightly abutted to the convex ring 32, the lower end of the rubber plug 15 is tightly abutted to the valve nozzle 34, at this time, the convex ring 32 separates the air channel 31 from the air guide channel 33, when exhaust is required, the coil 1 is energized, the movable iron core 10 is displaced towards the stationary iron core 8, when the rubber plug 15 is separated from the convex ring 32, the air flow channel 31 is communicated with the air guide channel 33, so that air is exhausted through the air inlet 21, the valve cavity 30, the air flow channel 31, the air guide channel 33, the air outlet channel 35 and the air outlet 22, and when the pressure of the exhausted air in the air flow channel 31 is less than the pressure in the valve cavity 30, the gas in the valve cavity 30 pushes the rubber plug 15 to move towards the convex ring 32, when the rubber plug 15 is tightly abutted against the convex ring 32, the valve cavity 30 is directly communicated with the valve nozzle 34, and the gas is discharged through the gas inlet 21, the valve cavity 30, the gas outlet channel 35 and the gas outlet 22.
In this embodiment, the valve nozzle 34 and the air guide channel 33 are both located on the central axis of the rubber stopper 15, and one end of the air flow channel 31 close to the installation groove 16 is in complete dislocation fit with the air guide channel 33. With such a structural arrangement, when the rubber plug 15 abuts against the convex ring 32, the convex ring 32 blocks the air channel 31 from the air guide channel 33, and when the rubber plug 15 is separated from the convex ring 32, the air flow channel 31 is communicated with the air guide channel 33.
In the present embodiment, the number of the air outlets 22 is plural. With the structure, the air exhaust is more convenient, and the air outlet 22 is convenient to be connected with other equipment and used as a working port.
In the present embodiment, an O-ring 4 is provided in the air inlet 21. With such a structure, the air inlet 21 is hermetically connected with the air outlet of the air jet loom, so as to prevent air leakage.
In this embodiment, the static iron core 8 is fixed in the magnetism isolating sleeve 11 through a fixing component, the fixing component comprises a pressing plate 5, a conical gasket 6 and an inner hexagonal countersunk head screw 7, the conical gasket 6 is sleeved on the inner hexagonal countersunk head screw 7, and the inner hexagonal countersunk head screw 7 penetrates through the pressing plate 5 and is fixedly connected with the static iron core 8. By adopting the structure, the installation and the disassembly are very convenient, and the position of the static iron core 8 in the magnetism isolating sleeve 11 is convenient to adjust.
In this embodiment, the movable iron core 10 is externally sleeved with a wear-resistant ring 12. By adopting the structure, the abrasion of the movable iron core 10 during vertical displacement is effectively reduced, and the service life of the movable iron core 10 is further prolonged.
In this embodiment, the soft cushion 13 is sleeved on the end of the movable iron core 10 where the installation groove 16 is provided. By adopting the structure, the soft impact pad 13 can play a buffering role when the movable iron core 10 displaces towards the direction of the static iron core 8 at the moment of electrifying the coil 1.
In this embodiment, a second O-ring 14 is provided at the end of the valve body 3 connected to the magnetic isolation sleeve 11. By adopting the structure, the joint of the valve body 3 and the magnetic isolation sleeve 11 is hermetically connected, so that air leakage is prevented.
In the present embodiment, the valve body 3 is provided with a mounting hole 40. With the adoption of the structure, the valve body 3 is convenient to mount.
While the present invention has been described with reference to the embodiments shown in the drawings, the present invention is not limited to the embodiments, which are illustrative and not restrictive, and those skilled in the art can make various modifications without departing from the spirit and scope of the present invention.
Claims (9)
1. The utility model provides a large-traffic high frequency solenoid valve, includes valve body (3) and sets up pilot head subassembly (20) on valve body (3), its characterized in that:
the pilot head assembly (20) comprises a magnetic isolation sleeve (11), a static iron core (8), a movable iron core (10) and a coil (1), the magnetic isolation sleeve (11) is fixedly connected with the valve body (3) through a nut (2), the static iron core (8) is fixedly arranged in the magnetic isolation sleeve (11), a valve cavity (30) is formed among the valve body (3), the magnetic isolation sleeve (11) and the static iron core (8), the movable iron core (10) is movably arranged in the valve cavity (30), a spring (9) is arranged between the movable iron core (10) and the static iron core (8) in a supporting manner,
the valve body (3) is provided with an air inlet (21) and an air outlet (22), a valve nozzle (34) is arranged in the valve body (3), the air inlet (21) and the valve nozzle (34) are respectively communicated with the valve cavity (30), the air outlet (22) is communicated with the valve nozzle (34) through an air outlet channel (35),
move the bottom of iron core (10) and be provided with mounting groove (16), mounting groove (16) internalization is provided with rubber buffer (15), axial sliding fit is followed with mounting groove (16) in rubber buffer (15), the lower extreme and the valve mouth (34) of rubber buffer (15) seal the cooperation, rubber buffer (15) are provided with air duct (33), the lower extreme and the valve mouth (34) of air duct (33) are direct, move iron core (10) and be provided with airflow channel (31), the upper end and valve pocket (30) direct of airflow channel (31), the lower extreme and the mounting groove (16) intercommunication of airflow channel (31), the interior top center of mounting groove (16) extends to have the upper end seal the complex bulge loop (32) with air duct (33).
2. The high-flow high-frequency electromagnetic valve according to claim 1, characterized in that: valve mouth (34) and air guide channel (33) all are located the axis of rubber buffer (15), air flow channel (31) are close to the one end of mounting groove (16) and are complete dislocation fit with air guide channel (33).
3. The high-flow high-frequency electromagnetic valve according to claim 1, characterized in that: the number of the air outlets (22) is multiple.
4. The high-flow high-frequency electromagnetic valve according to claim 1, characterized in that: an O-shaped ring I (4) is arranged in the air inlet (21).
5. The high-flow high-frequency electromagnetic valve according to claim 1, characterized in that: quiet iron core (8) are fixed to be set up in separating magnetic sleeve (11) through fixed subassembly, fixed subassembly includes clamp plate (5), tapered washer (6) and interior hexagonal countersunk head screw (7), tapered washer (6) cover is located on interior hexagonal countersunk head screw (7), interior hexagonal countersunk head screw (7) pass clamp plate (5) and quiet iron core (8) fixed connection.
6. The high-flow high-frequency electromagnetic valve according to claim 1, characterized in that: and a wear-resistant ring (12) is sleeved outside the movable iron core (10).
7. The high-flow high-frequency electromagnetic valve according to claim 1, characterized in that: one end of the movable iron core (10) provided with the mounting groove (16) is sleeved with a gentle impact pad (13).
8. The high-flow high-frequency electromagnetic valve according to claim 1, characterized in that: and an O-shaped ring II (14) is arranged at the end part of the valve body (3) connected with the magnetic isolation sleeve (11).
9. The high-flow high-frequency electromagnetic valve according to claim 1, characterized in that: and the valve body (3) is provided with a mounting hole (40).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220463009.6U CN216975955U (en) | 2022-03-03 | 2022-03-03 | Large-flow high-frequency electromagnetic valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220463009.6U CN216975955U (en) | 2022-03-03 | 2022-03-03 | Large-flow high-frequency electromagnetic valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216975955U true CN216975955U (en) | 2022-07-15 |
Family
ID=82355605
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220463009.6U Active CN216975955U (en) | 2022-03-03 | 2022-03-03 | Large-flow high-frequency electromagnetic valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216975955U (en) |
-
2022
- 2022-03-03 CN CN202220463009.6U patent/CN216975955U/en active Active
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