CN215334754U - Pilot two-position five-way valve applied to two-position three-way electromagnetic valve of color sorter - Google Patents
Pilot two-position five-way valve applied to two-position three-way electromagnetic valve of color sorter Download PDFInfo
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- CN215334754U CN215334754U CN202121457096.6U CN202121457096U CN215334754U CN 215334754 U CN215334754 U CN 215334754U CN 202121457096 U CN202121457096 U CN 202121457096U CN 215334754 U CN215334754 U CN 215334754U
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Abstract
The utility model discloses a pilot two-position five-way valve applied to a two-position three-way electromagnetic valve of a color selector, which relates to the field of electromagnetic valves and comprises a pilot valve body and a coil assembly which are connected, wherein a pilot valve core is arranged in an inner cavity of the pilot valve body in a sliding manner, a movable iron core and a fixed iron core are arranged in an inner cavity of the coil assembly in a sliding manner, the outer wall of the pilot valve core is provided with a rubber coating structure with a plurality of positions, an opening limiting ring and an exhaust limiting ring which are positioned between the inner wall of the pilot valve body and the outer wall of the pilot valve core are respectively arranged on the inner wall of the pilot valve body, and the rubber coating structure at different positions with the outer wall of the pilot valve core is used for sealing different air ports when the pilot valve core is at the opening or closing position; the movable iron core is fixedly connected with a push rod, the push rod penetrates through the inner cavity of the static iron core and is connected with one end of the pilot valve core, the other end of the pilot valve core is provided with a reset spring, and one end of the reset spring is connected with a plug installed at the end part of the inner cavity of the pilot valve body.
Description
Technical Field
The utility model relates to the field of electromagnetic valves, in particular to a pilot two-position five-way valve applied to a two-position three-way electromagnetic valve of a color selector.
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. The solenoid valve can be matched with different circuits to realize expected control, and the control precision and flexibility can be ensured. The two-position five-way electromagnetic valve is one of the two-position five-way electromagnetic valve, the valve core of the existing two-position five-way electromagnetic valve is sealed by a plurality of sealing rings, the friction force is large, the frequency is low, the sealing rings are easy to deform, poor sealing is easy to cause, and the existing two-position five-way electromagnetic valve also has the problems of long stroke of the valve core, low frequency caused by extrusion and short service life.
SUMMERY OF THE UTILITY MODEL
In order to solve the defects in the prior art, the utility model provides the pilot two-position five-way valve applied to the two-position three-way electromagnetic valve of the color sorter, which has the advantages of high response speed, reduced friction force of valve core sealing, prolonged service life of the electromagnetic valve, simple structure, convenience in maintenance, short valve core stroke and low loss.
The technical scheme adopted by the utility model for solving the technical problem is as follows: a pilot two-position five-way valve applied to a two-position three-way electromagnetic valve of a color selector comprises a pilot valve body and a coil assembly which are connected, a pilot valve core is arranged in an inner cavity of the pilot valve body in a sliding manner, a movable iron core and a fixed iron core are arranged in an inner cavity of the coil assembly in a sliding manner,
the pilot valve comprises a pilot valve body, a pilot valve core, a valve cover, a valve core, a valve cover, a valve core, a valve cover, a valve core and a valve core, wherein the same side wall of the pilot valve body is respectively provided with an air inlet, a working port A, a valve core A, a working port B and a valve outlet B which are communicated with an inner cavity of the pilot valve core;
the movable iron core is fixedly connected with a push rod, the push rod penetrates through the inner cavity of the static iron core and is connected with one end of the pilot valve core, the other end of the pilot valve core is provided with a reset spring, and one end of the reset spring is connected with a plug installed at the end part of the inner cavity of the pilot valve body.
Further, an air guide hole is formed in the pilot valve core, an encapsulation framework protruding outwards is arranged on the outer wall of the middle of the pilot valve core, and the side wall of the encapsulation framework is wrapped with functional encapsulation; the outer wall of the pilot valve core is further provided with rubber coating grooves located on two sides of the rubber coating framework, and each rubber coating groove is filled with an exhaust rubber coating higher than the side wall of the pilot valve core.
Furthermore, the working opening A and the air outlet A are positioned on one side of the air inlet, and the working opening B and the air outlet B are positioned on the other side of the air inlet.
Further, the exhaust limiting ring is in contact with the exhaust rubber coating on the same side, and the working port A and the air outlet A are sealed at the moment; the plug is in contact with the exhaust rubber coating on the same side of the plug, and the working port B and the air outlet B are sealed at the moment; when the opening limiting ring is contacted with the functional encapsulation, the air inlet is communicated with the working port A, and when the opening limiting ring is separated from the functional encapsulation, the air inlet is communicated with the working port B.
Furthermore, a limiting groove is formed in the rubber coating framework and used for limiting the functional rubber coating from moving, and a rubber increasing groove formed in the outer wall of the pilot valve core is formed in the end pin position of one end of the functional rubber coating and used for filling the rubber coating; one end pin of each exhaust rubber coating is clamped at a rubber coating bulge arranged on the pilot valve core, and the rubber coating bulge is used for limiting the exhaust rubber coating not to move; and the end part of the pilot valve core is provided with a return spring groove for installing a return spring.
Further, the exhaust rubber coating and the functional rubber coating are both made of hydrogenated nitrile rubber.
Furthermore, a pressure spring sleeved on the outer wall of the static iron core is arranged at the joint of the static iron core and the coil assembly.
Furthermore, a plurality of sealing grooves are formed in one side wall of the pilot valve body, which is mounted on the two-position three-way electromagnetic valve of the color selector, and a sealing ring is arranged in each sealing groove; and a coil sealing ring is arranged at the joint of the pilot valve body and the coil assembly.
Furthermore, the other end of the movable iron core is provided with a test button which is slidably arranged at the end part of the inner cavity of the coil assembly.
Has the advantages that: the pilot valve core is sealed through a rubber coating structure, so that the sealing performance is good, the compression amount is small, the friction is reduced, and the valve core is prevented from being extruded; exhaust pollution does not pass through the coil; the glue adding groove is arranged, so that the glue can be conveniently added and encapsulated according to the sealing requirement; different limiting mechanisms are arranged at each rubber coating part to prevent rubber coating from moving and increase the sealing stability; the whole structure is simple, the maintenance is convenient, the service life is long, and the high-speed opening and closing can be realized.
Drawings
FIG. 1 is a block diagram of the present invention;
fig. 2 is a schematic diagram of a pilot valve core of the present invention.
Reference numerals: 1. the device comprises a pilot valve core, 2 functional rubber coating, 3 limiting grooves, 4 rubber coating frameworks, 5 rubber increasing grooves, 6 rubber coating bulges, 7 reset spring grooves, 8 exhaust rubber coating, 9 air guide holes, 10 pilot valve bodies, 11 coil assemblies, 12 movable iron cores, 13 static iron cores, 14 air inlets A and 15 working ports A and 16 working ports B and 17 air outlets A and 18 air outlets B and 19 opening limiting rings, 20 exhaust limiting rings, 21 push rods, 22 reset springs, 23 compression springs, 24 sealing grooves, 25 coil sealing rings, 26 test buttons, 27 plug heads.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "vertical", "horizontal", "inside", "outside", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or component must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used merely to distinguish one element from another, and are not to be construed as indicating or implying relative importance.
In addition, the technical features involved in the different embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
A pilot two-position five-way valve applied to a two-position three-way electromagnetic valve of a color selector comprises a pilot valve body 10 and a coil assembly 11 which are connected, wherein a coil sealing ring 25 is arranged at the joint of the pilot valve body 10 and the coil assembly 11;
a pilot valve core 1 is arranged in the inner cavity of the pilot valve body 10 in a sliding manner, a movable iron core 12 capable of sliding and a fixed iron core 13 are arranged in the inner cavity of the coil assembly 11, one end of the movable iron core 12 is fixedly connected with a push rod 21, the push rod 21 penetrates through the inner cavity of the fixed iron core 5 to be connected with one end of the pilot valve core 1, and a return spring 22 is arranged at the other end of the pilot valve core 1;
one end of the reset spring 22 is connected with a plug 27 which is arranged at the end part of the inner cavity of the pilot valve body 10 and is used for packaging the pilot valve core 1 in the middle valve cavity of the pilot valve body 10 and contacting with the exhaust rubber coating 8 at one side to realize sealing;
a pressure spring 23 sleeved on the outer wall of the static iron core 13 is arranged at the joint of the static iron core 13 and the coil assembly 11;
preferably, the other end of the movable iron core 12 is provided with a test button 26 slidably mounted at the end of the inner cavity of the coil assembly 11; for actuating plunger 12 via test button 26 when coil assembly 11 is not energized;
an air inlet A14, a working port A15, an air outlet A17, a working port B16 and an air outlet B18 which are communicated with the inner cavity of the pilot valve body 10 are respectively arranged on the same side wall of the pilot valve body 10, the working port A15 and the air outlet A17 are positioned on one side of the air inlet A14, and the working port B16 and the air outlet B18 are positioned on the other side of the air inlet A14;
the outer wall of the pilot valve core 1 is provided with a rubber coating structure with a plurality of positions,
the inner wall of the pilot valve body 10 is respectively provided with an opening limit ring 19 and an exhaust limit ring 20 which are positioned between the inner wall of the pilot valve body and the outer wall of the pilot valve core 1, and the opening limit ring and the exhaust limit ring are used for realizing the sealing of different air ports by the rubber coating structure at different positions with the outer wall of the pilot valve core 1 when the pilot valve core 1 is at the opening or closing position;
specifically, an air vent 9 is formed in the pilot valve core 1, an encapsulation framework 4 protruding outwards is arranged on the outer wall of the middle of the pilot valve core, and a functional encapsulation 2 is wrapped on the side wall of the encapsulation framework 4; the outer wall of the pilot valve core 1 is also respectively provided with rubber coating grooves positioned at two sides of the rubber coating framework 4, and each rubber coating groove is filled with an exhaust rubber coating 8 higher than the side wall of the pilot valve core 1;
preferably, the functional rubber coating 2 and the exhaust rubber coating 8 are both made of hydrogenated nitrile rubber;
a limiting groove 3 is formed in the rubber coating framework 4 and used for limiting the rubber coating 2 with the function not to move, the end pin position of one end of each exhaust rubber coating 8 is clamped at a rubber coating bulge 6 arranged on the pilot valve core 1, and the rubber coating bulge 6 is used for limiting the exhaust rubber coating 8 not to move;
a glue increasing groove 5 formed in the outer wall of the pilot valve core 1 is formed in the position of an end pin at one end of the functional glue coating 2 and used for filling the glue coating;
the end part of the pilot valve core 1 is provided with a return spring groove 7 for installing a return spring 22;
when the exhaust limiting ring 20 is in contact with the exhaust rubber coating 8 on the same side, the working port A15 and the air outlet A17 are sealed;
when the plug 27 is in contact with the exhaust rubber coating 8 on the same side, the working port B16 and the air outlet B18 are sealed;
when the opening limiting ring 19 is in contact with the functional rubber coating 2, the air inlet A14 is communicated with the working port A15, and when the opening limiting ring 19 is separated from the functional rubber coating 2, the air inlet A14 is communicated with the working port B16.
Referring to fig. 1, when the valve is closed: the pilot valve spool 1 is in a right position under the force of the return spring 22, and at this time, the working port a15 is communicated with the air outlet a17, and the air inlet a14 is communicated with the working port B16.
Referring to fig. 1, when the valve is opened: when the coil assembly 11 is electrified, the pilot valve core 1 moves to the left in place under the push of the movable iron core 12, at the moment, the air inlet A14 is communicated with the working port A15, and the working port B16 is communicated with the air outlet B18.
The pilot two-position five-way valve has constant output, is not influenced by air pressure, and can ensure high speed and repeatability precision.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are within the scope of the utility model.
Claims (9)
1. A pilot two-position five-way valve applied to a two-position three-way electromagnetic valve of a color selector comprises a pilot valve body (10) and a coil assembly (11) which are connected, a pilot valve core (1) is arranged in an inner cavity of the pilot valve body (10) in a sliding way, a movable iron core (12) which can slide and a static iron core (13) which is fixedly installed are arranged in an inner cavity of the coil assembly (11), and the pilot two-position five-way valve is characterized in that,
an air inlet (14), a working port A (15), an air outlet A (17), a working port B (16) and an air outlet B (18) which are communicated with the inner cavity of the pilot valve body (10) are respectively arranged on the same side wall of the pilot valve body (10), the outer wall of the pilot valve core (1) is provided with a rubber coating structure with a plurality of positions, an opening limit ring (19) and an exhaust limit ring (20) which are positioned between the inner wall of the pilot valve body (10) and the outer wall of the pilot valve core (1) are respectively arranged on the inner wall of the pilot valve body (10) and used for realizing sealing of different air ports by the rubber coating structure at different positions with the outer wall of the pilot valve core (1) when the pilot valve core (1) is at the opening or closing position;
one end of the movable iron core (12) is fixedly connected with a push rod (21), the push rod (21) penetrates through the inner cavity of the static iron core (13) to be connected with one end of the pilot valve core (1), a return spring (22) is installed at the other end of the pilot valve core (1), and one end of the return spring (22) is connected with a plug (27) installed at the end part of the inner cavity of the pilot valve body (10).
2. The pilot two-position five-way valve applied to the two-position three-way electromagnetic valve of the color selector is characterized in that an air guide hole (9) is formed in the pilot valve core (1), the outer wall of the middle of the pilot valve core is provided with a rubber coating framework (4) protruding outwards, and the side wall of the rubber coating framework (4) is coated with a functional rubber coating (2); the outer wall of the pilot valve core (1) is further provided with rubber coating grooves located on two sides of the rubber coating framework (4), and each rubber coating groove is filled with an exhaust rubber coating (8) higher than the side wall of the pilot valve core (1).
3. The pilot two-position five-way valve applied to the two-position three-way electromagnetic valve of the color selector is characterized in that the working port A (15) and the air outlet A (17) are positioned on one side of the air inlet (14), and the working port B (16) and the air outlet B (18) are positioned on the other side of the air inlet (14).
4. The pilot two-position five-way valve applied to the two-position three-way electromagnetic valve of the color selector is characterized in that the exhaust limiting ring (20) is in contact with the exhaust rubber coating (8) on the same side, and the working port A (15) and the air outlet A (17) are sealed at the moment; the plug (27) is in contact with the exhaust rubber coating (8) on the same side, and the working opening B (16) and the air outlet B (18) are sealed at the moment; when the opening limiting ring (19) is in contact with the functional rubber coating (2), the air inlet (14) is communicated with the working port A (15), and when the opening limiting ring (19) is separated from the functional rubber coating (2), the air inlet (14) is communicated with the working port B (16).
5. The pilot two-position five-way valve applied to the two-position three-way electromagnetic valve of the color sorter as claimed in claim 2, wherein a limiting groove (3) is formed in the rubber coating framework (4) for limiting the functional rubber coating (2) from moving, and a rubber increasing groove (5) formed in the outer wall of the pilot valve core (1) is formed in the end pin position of one end of the functional rubber coating (2) for filling rubber coating; one end pin of each exhaust rubber coating (8) is clamped at a rubber coating bulge (6) arranged on the pilot valve core (1), and the rubber coating bulge (6) is used for limiting the exhaust rubber coating (8) from moving; the end part of the pilot valve core (1) is provided with a return spring groove (7) for installing a return spring (22).
6. The pilot two-position five-way valve applied to the two-position three-way electromagnetic valve of the color selector is characterized in that the exhaust encapsulation (8) and the functional encapsulation (2) are both made of hydrogenated nitrile rubber.
7. The pilot two-position five-way valve applied to the two-position three-way electromagnetic valve of the color selector is characterized in that a pressure spring (23) sleeved on the outer wall of the static iron core (13) is arranged at the joint of the static iron core (13) and the coil assembly (11).
8. The pilot two-position five-way valve applied to the two-position three-way electromagnetic valve of the color selector is characterized in that a plurality of sealing grooves (24) are formed in one side wall, where the pilot valve body (10) and the two-position three-way electromagnetic valve of the color selector are installed, and a sealing ring is arranged in each sealing groove (24); and a coil sealing ring (25) is arranged at the joint of the pilot valve body (10) and the coil assembly (11).
9. The pilot two-position five-way valve applied to the two-position three-way electromagnetic valve of the color selector is characterized in that the other end of the movable iron core (12) is provided with a test button (26) which is slidably installed at the end position of the inner cavity of the coil assembly (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121457096.6U CN215334754U (en) | 2021-06-29 | 2021-06-29 | Pilot two-position five-way valve applied to two-position three-way electromagnetic valve of color sorter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121457096.6U CN215334754U (en) | 2021-06-29 | 2021-06-29 | Pilot two-position five-way valve applied to two-position three-way electromagnetic valve of color sorter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215334754U true CN215334754U (en) | 2021-12-28 |
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ID=79562823
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121457096.6U Active CN215334754U (en) | 2021-06-29 | 2021-06-29 | Pilot two-position five-way valve applied to two-position three-way electromagnetic valve of color sorter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215334754U (en) |
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2021
- 2021-06-29 CN CN202121457096.6U patent/CN215334754U/en active Active
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