CN214743540U - Improved pilot electromagnetic valve - Google Patents
Improved pilot electromagnetic valve Download PDFInfo
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- CN214743540U CN214743540U CN202120311403.3U CN202120311403U CN214743540U CN 214743540 U CN214743540 U CN 214743540U CN 202120311403 U CN202120311403 U CN 202120311403U CN 214743540 U CN214743540 U CN 214743540U
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Abstract
The utility model discloses an improved pilot electromagnetic valve, which comprises a base, a valve cover, a shell, a nut and a cylinder; the valve cover is fixedly connected to the top surface of the base; the shell is fixedly connected to the top surface of the valve cover; the bottom end of the cylinder is fixedly connected with the base, the top end of the cylinder respectively penetrates through a through hole formed in the center of the valve cover and a through hole formed in the longitudinal axis of the shell, and the outer side wall of the top end of the cylinder is fixedly connected with the top surface of the shell through a nut; the electromagnetic coil generates a magnetic field after being connected with a power supply, the movable iron core is attracted by the static iron core to move upwards, the return spring is extruded, the movable iron core synchronously drives the plug head to ascend, and gas enters the valve cavity from the gas inlet; when air needs to be discharged from the first air outlet, the screw rod rotates to drive the baffle to descend until the baffle completely blocks the second air outlet; after the work is finished, the electromagnetic coil is powered off, the movable iron core descends to the original position under the action of gravity and the pulling force of the reset spring, and the air inlet is blocked by the plug head.
Description
Technical Field
The utility model relates to a solenoid valve specifically is an improved generation guide's solenoid valve.
Background
When the pilot-operated electromagnetic valve is electrified, the valve rod is lifted by means of electromagnetic force, the pilot valve port is opened, the upper cavity of the electromagnetic valve is relieved by the pilot hole, low-high differential pressure is formed around the main valve core, and the fluid pressure pushes the main valve core to move upwards to open the main valve port under the action of the differential pressure; when the power is cut off, under the action of spring force and gravity of the main valve core, the valve rod is reset, the pilot hole is closed, the main valve core moves downwards, and the main valve port is closed; the pressure of the upper cavity of the electromagnetic valve is increased, and the fluid pressure pressurizes the main valve core, so that the sealing is better; the valve is generally suitable for pipelines with larger calibers and higher pressure, has small power consumption, less heat generation, difficult burning of coils, long-time electrification and energy conservation, and is widely used.
Disclosure of Invention
An object of the utility model is to provide an improved generation guide's solenoid valve to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
an improved pilot electromagnetic valve comprises a base, a valve cover, a shell, a nut and a cylinder; the valve cover is fixedly connected to the top surface of the base; the shell is fixedly connected to the top surface of the valve cover; the bottom end of the cylinder is fixedly connected with the base, the top end of the cylinder penetrates through a through hole formed in the center of the valve cover and a through hole formed in the longitudinal axis of the shell respectively, and the outer side wall of the top end of the cylinder is fixedly connected with the top surface of the shell through a nut.
As a further aspect of the present invention: and the outer side wall of the cylinder in the shell is fixedly connected with an electromagnetic coil, and the electromagnetic coil is externally connected with a power switch through an electric wire.
As a further aspect of the present invention: a static iron core and a movable iron core are respectively arranged in the cylinder from top to bottom; the static iron core is fixedly connected with the inner side wall of the cylinder; the movable iron core is movably arranged in the cylinder; a return spring is arranged between the static iron core and the movable iron core; the longitudinal axis of the static iron core is provided with an exhaust hole; the top of the base is provided with a valve cavity, and the bottom end of the cylinder is fixedly connected to the inner side wall of the through hole formed in the center of the valve cover; the bottom end of the base is respectively provided with an air inlet and a first air outlet which are communicated with the valve cavity, and the side surface of the base is provided with a second air outlet which is communicated with the valve cavity; the bottom end of the movable iron core at the top end of the air inlet hole is provided with a plug; a set of heater strip symmetry sets up, and the external power supply of one end of this group's heater strip, the other end of this group's heater strip pass exhaust hole and drum fixed connection on the inside wall of drum.
As a further aspect of the present invention: the first air outlet and the second air outlet are respectively provided with a control structure; the control structure comprises a sliding groove, a baffle, a screw rod and a bearing; the inner side wall of the base is longitudinally and transversely provided with a sliding groove respectively, and the two sliding grooves longitudinally and transversely penetrate through the second air outlet hole and the first air outlet hole respectively; two sides of the baffle are connected in the sliding groove in a sliding manner through a sliding block, a threaded through hole is formed in the axis position of the baffle, and a screw rod is connected in the threaded through hole in a threaded manner; one end of the screw rod penetrates through a through hole correspondingly formed in the base, the screw rod is rotatably connected with the through hole through a bearing, and the end part of the end of the screw rod is provided with a straight groove.
Compared with the prior art, the beneficial effects of the utility model are that:
the electromagnetic coil generates a magnetic field after being connected with a power supply, the movable iron core is attracted by the static iron core to move upwards, the return spring is extruded, the movable iron core synchronously drives the plug head to ascend, and gas enters the valve cavity from the gas inlet; when air needs to be discharged from the first air outlet, the screw rod rotates to drive the baffle to descend until the baffle completely blocks the second air outlet; after the work is finished, the electromagnetic coil is powered off, the movable iron core descends to the original position under the action of gravity and the pulling force of the reset spring, and the air inlet is blocked by the plug head; in cold weather, the heating wire is connected with a power supply to heat, so that a certain temperature is kept in the cylinder, and the plug head is prevented from being blocked on the air inlet hole in a freezing way.
Drawings
Fig. 1 is a schematic structural diagram of an improved pilot solenoid valve.
Fig. 2 is an external view of the improved pilot solenoid valve.
In the figure: 1. a base; 2. a valve cover; 3. a housing; 4. a nut; 5. a cylinder; 6. an electromagnetic coil; 7. a stationary iron core; 8. a movable iron core; 9. a valve cavity; 10. an exhaust hole; 11. an air inlet; 12. a first air outlet hole; 13. a second air outlet; 14. a return spring; 15. a plug head; 16. heating wires; 17. a sliding groove; 18. a baffle plate; 19. a screw rod; 20. and a bearing.
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. 1-2, in an embodiment of the present invention, an improved pilot electromagnetic valve includes a base 1, a valve cover 2, a housing 3, a nut 4, and a cylinder 5; the valve cover 2 is fixedly connected to the top surface of the base 1; the shell 3 is fixedly connected to the top surface of the valve cover 2; the bottom end of the cylinder 5 is fixedly connected with the base 1, the top end of the cylinder 5 penetrates through a through hole formed in the center of the valve cover 2 and a through hole formed in the longitudinal axis of the shell 3 respectively, and the outer side wall of the top end of the cylinder 5 is fixedly connected with the top surface of the shell 3 through a nut 4.
And the outer side wall of the cylinder 5 in the shell 3 is fixedly connected with an electromagnetic coil 6, and the electromagnetic coil 6 is externally connected with a power switch through an electric wire.
A static iron core 7 and a movable iron core 8 are respectively arranged in the cylinder 5 from top to bottom; the static iron core 7 is fixedly connected with the inner side wall of the cylinder 5; the movable iron core 8 is movably arranged in the cylinder 5; a return spring 14 is arranged between the static iron core 7 and the movable iron core 8; the vertical axis of the static iron core 7 is provided with an exhaust hole 10; the top of the base 1 is provided with a valve cavity 9, and the bottom end of the cylinder 5 is fixedly connected to the inner side wall of the through hole formed in the center of the valve cover 2; the bottom end of the base 1 is respectively provided with an air inlet 11 and a first air outlet 12 which are communicated with the valve cavity 9, and the side surface of the base 1 is provided with a second air outlet 13 which is communicated with the valve cavity 9; the bottom end of the movable iron core 8 at the top end of the air inlet 11 is provided with a plug 15; a set of heater strips 16 is symmetrically arranged, one end of the set of heater strips 16 is externally connected with a power supply, the other end of the set of heater strips 16 penetrates through the exhaust hole 10 and the inner side wall of the cylinder 5 and is fixedly connected to the inner side wall of the cylinder 5, and the heater strips 16 are heated after being powered on, so that a certain temperature is kept in the cylinder 5, and the plugging head 15 is prevented from being blocked on the air inlet hole 11 in a freezing mode.
The first air outlet hole 12 and the second air outlet hole 13 are both provided with a control structure; the control structure comprises a sliding groove 17, a baffle 18, a screw rod 19 and a bearing 20; the inner side wall of the base 1 is longitudinally and transversely provided with a sliding groove 17 respectively, and the two sliding grooves 17 longitudinally and transversely penetrate through the second air outlet hole 13 and the first air outlet hole 12 respectively; two sides of the baffle 18 are connected in the sliding groove 17 in a sliding way through a sliding block, the axis position of the baffle 18 is provided with a threaded through hole, and the threaded through hole is internally threaded with a screw rod 19; one end of the screw rod 19 penetrates through a through hole correspondingly formed in the base 1, the screw rod 19 is rotatably connected with the through hole through a bearing (a mechanical seal is arranged on the end face of the bearing), and a straight groove is formed in the end portion of the end of the screw rod 19.
The utility model discloses a theory of operation is:
after the electromagnetic coil 6 is powered on, a magnetic field is generated, the movable iron core 8 is attracted by the static iron core 7 to move upwards, the return spring 14 is extruded, the movable iron core 8 synchronously drives the plug head 15 to ascend, and gas enters the valve cavity 9 from the gas inlet 11; when air needs to be discharged from the first air outlet hole 12, the screw rod 19 is rotated by a starter to rotate the linear groove at the end part of the screw rod 19, and the screw rod 19 rotates to drive the baffle 18 to descend until the baffle 18 completely blocks the second air outlet hole 13; after the work is finished, the electromagnetic coil 6 is powered off, the movable iron core 8 descends to the original position under the action of gravity and the pulling force of the return spring 14, and the air inlet 11 is blocked by the plug 15; in cold weather, the heating wire 16 is powered on to heat, so that the cylinder 5 is kept at a certain temperature, and the plug 15 is prevented from being frozen and blocked on the air inlet hole 11.
In the description of the present invention, it should be noted that unless explicitly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (4)
1. An improved pilot electromagnetic valve comprises a base (1), a valve cover (2), a shell (3), a nut (4) and a cylinder (5); the valve cover (2) is fixedly connected to the top surface of the base (1); the shell (3) is fixedly connected to the top surface of the valve cover (2); the bottom end of the cylinder (5) is fixedly connected with the base (1), the top end of the cylinder (5) penetrates through a through hole formed in the center of the valve cover (2) and a through hole formed in the longitudinal axis of the shell (3) respectively, and the outer side wall of the top end of the cylinder (5) is fixedly connected with the top surface of the shell (3) through a nut (4).
2. The improved pilot solenoid valve as claimed in claim 1, wherein an electromagnetic coil (6) is fixedly connected to the outer side wall of the inner cylinder (5) of the housing (3), and the electromagnetic coil (6) is externally connected with a power switch through a wire.
3. The improved pilot solenoid valve according to claim 1 or 2, wherein a static iron core (7) and a movable iron core (8) are respectively arranged in the cylinder (5) from top to bottom; the static iron core (7) is fixedly connected with the inner side wall of the cylinder (5); the movable iron core (8) is movably arranged in the cylinder (5); a return spring (14) is arranged between the static iron core (7) and the movable iron core (8); the longitudinal axis of the static iron core (7) is provided with an exhaust hole (10); the top of the base (1) is provided with a valve cavity (9), and the bottom end of the cylinder (5) is fixedly connected to the inner side wall of the through hole formed in the center of the valve cover (2); the bottom end of the base (1) is respectively provided with an air inlet (11) and a first air outlet (12) which are communicated with the valve cavity (9), and the side surface of the base (1) is provided with a second air outlet (13) which is communicated with the valve cavity (9); a plug head (15) is arranged at the bottom end of the movable iron core (8) at the top end of the air inlet hole (11); a group of heating wires (16) are symmetrically arranged, one end of the group of heating wires (16) is externally connected with a power supply, and the other end of the group of heating wires (16) penetrates through the exhaust hole (10) and the cylinder (5) and is fixedly connected to the inner side wall of the cylinder (5).
4. The improved pilot solenoid valve as claimed in claim 3, wherein the first air outlet hole (12) and the second air outlet hole (13) are provided with control structures; the control structure comprises a sliding groove (17), a baffle (18), a screw rod (19) and a bearing (20); the inner side wall of the base (1) is longitudinally and transversely provided with a sliding groove (17) respectively, and the two sliding grooves (17) longitudinally and transversely penetrate through the second air outlet hole (13) and the first air outlet hole (12) respectively; two sides of the baffle (18) are connected in the sliding groove (17) in a sliding way through a sliding block, the axis position of the baffle (18) is provided with a threaded through hole, and the threaded through hole is internally threaded with a screw rod (19); one end of the screw rod (19) penetrates through a through hole correspondingly formed in the base (1), the screw rod (19) is rotatably connected with the through hole through a bearing, and the end part of the end of the screw rod (19) is provided with a straight groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120311403.3U CN214743540U (en) | 2021-02-04 | 2021-02-04 | Improved pilot electromagnetic valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120311403.3U CN214743540U (en) | 2021-02-04 | 2021-02-04 | Improved pilot electromagnetic valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214743540U true CN214743540U (en) | 2021-11-16 |
Family
ID=78644003
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120311403.3U Active CN214743540U (en) | 2021-02-04 | 2021-02-04 | Improved pilot electromagnetic valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214743540U (en) |
-
2021
- 2021-02-04 CN CN202120311403.3U patent/CN214743540U/en active Active
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