CN213332671U

CN213332671U - Improved two-position two-way electromagnetic valve

Info

Publication number: CN213332671U
Application number: CN202021220367.1U
Authority: CN
Inventors: 毛秉; 张优波; 吴洁; 周萍飞; 徐江行
Original assignee: Ningbo Sono Manufacturing Co ltd
Current assignee: Ningbo Sono Manufacturing Co ltd
Priority date: 2020-06-29
Filing date: 2020-06-29
Publication date: 2021-06-01
Anticipated expiration: 2030-06-29

Abstract

The utility model discloses an improved two-position two-way electromagnetic valve, which comprises a valve body, a sealing plate, a pilot head assembly, a conical spring, a movable iron core, a limiting rod, a pressing plate and a coil assembly, wherein one end in the valve body is provided with an air inlet, the end in the valve body, which is far away from the air inlet, is provided with an air outlet, a vertical connecting port is arranged in the valve body and between the air inlet and the air outlet, and one side of the lower end of the connecting port is rotatably connected with the sealing plate. When gas backflow occurs, the sealing plate can be closed, backflow of waste gas is effectively prevented, and the use safety of the two-position two-way electromagnetic valve is improved.

Description

Improved two-position two-way electromagnetic valve

Technical Field

The utility model relates to a two-way valve, in particular to two-position two-way solenoid valve of improved generation belongs to valve technical field.

Background

A two-way valve, a term for a fluid control component, is a control valve having two lines, but a valve having two lines is not necessarily a two-way valve, and the basic feature of a two-way valve is that: bidirectional on-off, when two pipelines can only realize conduction in one direction, the valve is called a one-way valve.

However, the existing two-position two-way electromagnetic valve is vertically fixed in the working process due to the fact that the movable iron core only depends on the conical spring, when the air pressure in the chute is unstable, the upper end of the movable iron core can be caused to shake and incline, the lower end of the movable iron core can not be tightly attached to the connecting port finally, gas leakage is caused, and when the air outlet is blocked in the using process, the air pressure in the air outlet can be rapidly increased, so that gas backflow is caused.

SUMMERY OF THE UTILITY MODEL

The utility model provides an improved generation two-position two-way solenoid valve, the effectual problem that exists of having solved among the prior art.

In order to solve the technical problem, the utility model provides a following technical scheme:

the utility model discloses an improved generation two-position two-way solenoid valve, including valve body, closing plate, guide head subassembly, conical spring, movable iron core, gag lever post, clamp plate and coil pack, an air inlet has been seted up to one end in the valve body, keep away from the air inlet in the valve body and seted up an air outlet, a perpendicular connector has been seted up in the valve body and between air inlet and the air outlet, connector lower extreme one side is rotated and is connected with a closing plate, the connector inner wall is connected with a torsional spring with the closing plate junction fixedly, the closing plate is fixed connection on the torsional spring, the closing plate upper end is connected with a sealed pad with the connector corresponding position fixedly, guide head subassembly joint is in the valve body upper end and is located directly over the connector, guide head subassembly lower extreme fixedly connected with a, the guide head subassembly lower extreme is inside to be seted up a spout, move iron core sliding connection in the spout, move the iron core lower extreme and contact with the connector upper end, the little one end fixed connection of conical spring diameter moves the iron core lower extreme outside, the big one end fixed connection of conical spring diameter is at guide head subassembly lower extreme, move the gag lever post of two mutual symmetries of iron core upper end fixedly connected with, two spacing holes have been seted up with two gag lever posts corresponding position to spout upper end inner wall, two the gag lever post is located two spacing holes respectively, clamp plate fixed connection is in the valve body upper end, coil pack sliding connection is in the guide head subassembly outside.

As an optimal technical scheme of the utility model, dop outside fixedly connected with guide's head shape circle, the guide's head shape encloses the outside and contacts with the valve body.

As an optimal technical scheme of the utility model, the guide's head subassembly passes the clamp plate, the clamp plate passes through cross countersunk head screw fixed connection in the valve body upper end.

As an optimal technical scheme of the utility model, coil pack one side is through terminal box of cross pan head bolt fixedly connected with, a flat pad of terminal box and coil pack junction fixedly connected with.

As an optimal technical scheme of the utility model, guide's first subassembly upper end threaded connection has a double-deck nut, the double-deck nut lower extreme contacts with the coil pack upper end.

As a preferred technical scheme of the utility model, move the rubber piece of iron core lower extreme and connector connection department fixedly connected with, rubber piece fixed connection is in moving the iron core and the lower extreme contacts with the connector.

The utility model discloses the beneficial effect who reaches is:

1. the movable iron core is kept vertical all the time through the limiting hole and the limiting rod, so that the situation of gas leakage caused by the inclination of the movable iron core in the sliding groove due to pressure change at two sides is effectively avoided, and the waste caused by the gas leakage is avoided.

2. Through increasing the closing plate, when having gaseous backward flow, can make the closing plate closed, the effectual backward flow that prevents waste gas has increased two-position two-way solenoid valve's safety in utilization.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

FIG. 1 is a schematic view of the internal cutting structure of the present invention;

fig. 2 is an enlarged schematic structural diagram of a point a in fig. 1 of the present invention;

fig. 3 is a schematic view of the connecting structure of the movable iron core in a top view.

In the figure: 1. a valve body; 2. an air inlet; 3. an air outlet; 4. a connecting port; 5. a sealing plate; 6. a pilot head assembly; 7. clamping a head; 8. a pilot head ring; 9. a conical spring; 10. a movable iron core; 11. a chute; 12. a limiting hole; 13. a limiting rod; 14. pressing a plate; 15. a cross countersunk head screw; 16. a coil assembly; 17. a double-layer nut; 18. flattening the cushion; 19. a cross pan head bolt; 20. a junction box; 21. a torsion spring; 22. and a gasket.

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.

Example (b): as shown in fig. 1-3, the improved two-position two-way electromagnetic valve of the present invention comprises a valve body 1, a sealing plate 5, a pilot head assembly 6, a conical spring 9, a movable iron core 10, a limiting rod 13, a pressing plate 14 and a coil assembly 16, wherein an air inlet 2 is disposed at one end of the valve body 1, an air outlet 3 is disposed at the end of the valve body 1 away from the air inlet 2, a vertical connection port 4 is disposed in the valve body 1 and between the air inlet 2 and the air outlet 3, one side of the lower end of the connection port 4 is rotatably connected with the sealing plate 5, a torsion spring 21 is fixedly connected to the connection portion between the inner wall of the connection port 4 and the sealing plate 5, the sealing plate 5 is fixedly connected to the torsion spring 21, a sealing gasket 22 is fixedly connected to the upper end of the sealing plate 5 corresponding to the connection port 4, the clamping head 7 is positioned in the upper shell of the valve body 1, the inner part of the lower end of the pilot head assembly 6 is provided with a chute 11, the movable iron core 10 is connected in the chute 11 in a sliding way, the lower end of the movable iron core 10 is contacted with the upper end of the connecting port 4, the end with small diameter of the conical spring 9 is fixedly connected to the outer side of the lower end of the movable iron core 10, the end with large diameter of the conical spring 9 is fixedly connected to the lower end of the pilot head assembly 6, the upper end of the movable iron core 10 is fixedly connected with two mutually symmetrical limiting rods 13, the inner wall of the upper end of the chute 11 is provided with two limiting holes 12 corresponding to the two limiting rods 13, the two limiting rods 13 are respectively positioned in the two limiting holes 12, the pressing plate 14 is fixedly connected to the upper end of the valve body 1, the coil assembly 16 is, waste due to gas leakage is avoided.

The connection part of the lower end of the movable iron core 10 and the connecting port 4 is fixedly connected with a rubber block, the rubber block is fixedly connected in the movable iron core 10, the lower end of the rubber block is contacted with the connecting port 4, the sealing performance of the rubber block is better than that of a metal block, the air tightness of the two-position two-way electromagnetic valve in power failure is improved, the upper end of the pilot head assembly 6 is in threaded connection with a double-layer nut 17, the lower end of the double-layer nut 17 is contacted with the upper end of the coil assembly 16, the coil assembly 16 is fixed on the pilot head assembly 6 through extrusion of the double-layer nut 17, one side of the coil assembly 16 is fixedly connected with a junction box 20 through a cross pan head bolt 19, the connection part of the junction box 20 and the coil assembly 16 is fixedly connected with a flat gasket 18, the junction box 20 facilitates the connection of the coil assembly 16 and a power line, the pilot, the guide head assembly 6 is prevented from falling off, the guide head ring 8 is fixedly connected to the outer side of the clamping head 7, the outer side of the guide head ring 8 is in contact with the valve body 1, the guide head ring 8 can prevent gas from leaking from the joint of the clamping head 7 and the valve body 1, and the air tightness in the valve body 1 is improved.

Specifically, the whole device is connected with an external power supply, when the power is off, an air source enters from the air inlet 2 and enters the pilot assembly 6 of the pilot assembly through the valve body 1, due to the pressure action of the conical spring 9, the movable iron core 10 seals the upper end of the connecting port 4, meanwhile, through the limit of the limiting rod 13, the movable iron core 10 is effectively prevented from being positioned in the chute 11, because one side is inclined, air cannot flow out from the air outlet 3, so the air outlet 3 is empty, when the power is on, the air source enters from the air inlet 2 and enters the pilot assembly 6 through the valve body 1, due to the power on, the coil assembly 16 attracts the movable iron core 10 upwards through magnetic force, the air nozzle is opened, the air flows out through the connecting port 4 and drives the sealing plate 5 to rotate, finally, when the air flow flows back, the backflow air flows drive the sealing plate 5 to rotate and close, and the backflow of the air, the use safety of the two-position two-way electromagnetic valve is improved.

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 improved two-position two-way electromagnetic valve is characterized by comprising a valve body (1), a sealing plate (5), a pilot head assembly (6), a conical spring (9), a movable iron core (10), a limiting rod (13), a pressing plate (14) and a coil assembly (16), wherein one end in the valve body (1) is provided with an air inlet (2), one end in the valve body (1) far away from the air inlet (2) is provided with an air outlet (3), a vertical connecting port (4) is arranged in the valve body (1) and between the air inlet (2) and the air outlet (3), one side of the lower end of the connecting port (4) is rotatably connected with the sealing plate (5), the connecting part of the inner wall of the connecting port (4) and the sealing plate (5) is fixedly connected with a torsion spring (21), the sealing plate (5) is fixedly connected on the torsion spring (21), and a sealing gasket (22) is fixedly connected at the, the guide head assembly (6) is connected with the upper end of the valve body (1) and is positioned right above the connecting port (4), a clamping head (7) is fixedly connected with the lower end of the guide head assembly (6), the clamping head (7) is positioned in the upper shell of the valve body (1), a sliding groove (11) is formed in the lower end of the guide head assembly (6), the movable iron core (10) is connected in the sliding groove (11) in a sliding manner, the lower end of the movable iron core (10) is contacted with the upper end of the connecting port (4), one end of the conical spring (9) with small diameter is fixedly connected on the outer side of the lower end of the movable iron core (10), one end of the conical spring (9) with large diameter is fixedly connected at the lower end of the guide head assembly (6), two limiting rods (13) which are symmetrical to each other are fixedly connected at the upper end of the movable iron core (10), two, the two limiting rods (13) are respectively positioned in the two limiting holes (12), the pressing plate (14) is fixedly connected to the upper end of the valve body (1), and the coil assembly (16) is connected to the outer side of the pilot head assembly (6) in a sliding mode.

2. An improved two-position two-way solenoid valve as claimed in claim 1, characterized in that a pilot head ring (8) is fixedly connected to the outside of the chuck (7), and the outside of the pilot head ring (8) is in contact with the valve body (1).

3. The improved two-position two-way solenoid valve as claimed in claim 1, characterized in that the pilot head assembly (6) passes through a pressure plate (14), and the pressure plate (14) is fixedly connected to the upper end of the valve body (1) through a cross countersunk head screw (15).

4. The improved two-position two-way solenoid valve as recited in claim 1, wherein a junction box (20) is fixedly connected to one side of the coil assembly (16) by a spider bolt (19), and a flat pad (18) is fixedly connected to the junction of the junction box (20) and the coil assembly (16).

5. An improved two-position two-way solenoid valve according to claim 1, characterized in that the upper end of the pilot head assembly (6) is screwed with a double-layer nut (17), and the lower end of the double-layer nut (17) is contacted with the upper end of the coil assembly (16).

6. The improved two-position two-way electromagnetic valve according to claim 1, characterized in that a rubber block is fixedly connected to the connection part of the lower end of the movable iron core (10) and the connection port (4), the rubber block is fixedly connected in the movable iron core (10), and the lower end of the rubber block is in contact with the connection port (4).