CN214404873U - Direct-acting electromagnetic valve - Google Patents

Abstract

The utility model discloses a direct-acting electromagnetic valve, which comprises a valve body and a valve seat, wherein the valve body and the valve seat are integrally formed, two symmetrical electromagnet coils are arranged at two ends inside the valve body, and the electromagnet coil and the interior of the valve body form a sealed cavity, a fixed iron core is arranged near the top of the electromagnet coil, a return spring assembly is arranged below the bottom of the fixed iron core, the tail end of the return spring assembly is fixedly connected with the movable iron core, a valve seat is fixedly connected below the position close to the electromagnet coil, a valve plate is connected with the lower part of the movable iron core in a clearance manner, the valve plate is of an arc structure, the tail of the valve plate is provided with a convex connecting block, the bottom of the valve plate is fixedly connected with a gravity spring, and one end of the gravity spring is fixedly connected with the valve core, the side surfaces of the two ends of the valve core are provided with membranes, and the two ends of the valve core are respectively connected with the valve seat and the valve plate. The utility model discloses can not receive the influence of medium flow pressure and flow direction to corrosion resistance is good, long service life.

Description

Direct-acting electromagnetic valve

Technical Field

The utility model relates to a solenoid valve field, specific is a direct action type solenoid valve.

Background

The electromagnetic valve is an actuating element for automatic control of a pipeline system, a valve seat and a piston of the general electromagnetic valve form a sealing pair of the electromagnetic valve, the sealing force of the sealing pair comes from medium force in a pipeline and spring force in the valve, and the working principle of the electromagnetic valve is as follows: when the electromagnet coil is electrified, a suction force is generated, the spring force and the medium force are overcome, the piston is pushed to lose the sealing force, the valve is opened or recovered, and the valve is closed or opened. Because the pressure of the medium in the valve seat is greatly changed during the operation of the electromagnetic valve, the electromagnetic valve has great influence on the attraction force of the electromagnet, so that the electromagnetic valve has great influence on the pressure and the flow direction of the medium, and therefore, a direct-acting electromagnetic valve needs to be developed to solve the problem that the electromagnetic valve has great influence on the pressure and the flow direction of the medium.

SUMMERY OF THE UTILITY MODEL

The weak point to existence among the above-mentioned technique, the utility model provides a direct action type solenoid valve can not receive the influence of medium stream pressure and flow direction, can not rely on solenoid valve medium pressure differential to carry out work, all can work under having the pressure and the non-pressure state to the leakproofness is strong, and corrosion resistance is good, long service life.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a direct action type solenoid valve, includes valve body and disk seat, valve body and disk seat integrated into one piece, the inside both ends of valve body all are provided with the electro-magnet coil of symmetry, and electro-magnet coil and the inside sealed chamber that forms of valve body, are close to the top of electro-magnet coil is provided with decides the iron core, the bottom below of deciding the iron core is provided with the reset spring subassembly, the terminal fixed connection of reset spring subassembly moves the iron core, is close to the below fixed connection disk seat of electro-magnet coil, move the below gap junction valve block of iron core, and the valve block is the arc structure, the end of valve block is provided with the convex connecting block, the bottom fixed connection gravity spring of valve block, and gravity spring's one end fixed connection case, the both ends side of case is provided with the diaphragm, the both ends of case respectively with disk seat and valve block are connected.

As a further elaboration, a hydraulic duct is formed between the valve seat and the valve plate.

As a further illustration, the side of the valve body is provided with symmetrical wiring ports.

As a further illustration, a retaining cap is disposed over the top of the valve body.

As further elaboration, a water inlet and a water outlet are respectively arranged on two sides of the side face of the valve seat, a hole-dividing flow passage with a hollow structure is arranged between the water inlet and the water outlet, and sealing rings are arranged outside the water inlet and the water outlet.

As a further explanation, a fixed seat is arranged in the middle of the bottom of the valve seat, and at least two screw holes are formed in the bottom of the fixed seat.

To sum up, the utility model discloses following beneficial effect has: the utility model relates to a direct action type solenoid valve can not receive the influence of medium flow pressure and flow direction, can not rely on solenoid valve medium pressure differential to work, all can work under having the pressure and the non-pressure state to the leakproofness is strong, and corrosion resistance is good, and long service life has reduced the condition of leaking and has produced, is applicable to various environment.

Drawings

Fig. 1 is a schematic view of the internal structure of a direct-acting solenoid valve of the present invention;

fig. 2 is a front view of a direct-acting solenoid valve of the present invention;

fig. 3 is a schematic view of the bottom structure of a direct-acting solenoid valve of the present invention;

FIG. 4 is a right side view of the direct-acting solenoid valve of the present invention;

fig. 5 is a left side view of the direct-acting solenoid valve of the present invention;

fig. 6 is a top view of the direct-acting solenoid valve of the present invention.

Figure 1-valve body; 2-a wiring port; 3-valve seat; 4-fixing the base; 5-screw holes; 6-water inlet; 7-a hole-dividing flow channel; 8-water outlet; 9-sealing ring; 10-an electromagnet coil; 11-a fixed iron core; 12-a return spring assembly; 13-a movable iron core; 14-a sealed cavity; 15-hydraulic ducts; 16-a valve plate; 17-a gravity spring; 18-a membrane; 19-a valve core; 20-a male connector block; 21-fixing the cap.

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.

As shown in fig. 1, 2, 3, 4, 5 and 6 below, a direct-acting solenoid valve includes a valve body 1 and a valve seat 3, the valve body 1 and the valve seat 3 are integrally formed, two ends inside the valve body 1 are both provided with symmetrical electromagnet coils 10, the electromagnet coils 10 and the inside of the valve body 1 form a sealed cavity 14, a fixed iron core 11 is arranged near the top of the electromagnet coils 10, a return spring assembly 12 is arranged below the bottom of the fixed iron core 11, the tail end of the return spring assembly 12 is fixedly connected with a movable iron core 13, the lower part near the electromagnet coils 10 is fixedly connected with the valve seat 3, a valve plate 16 is connected with the lower part of the movable iron core 13 in a clearance manner, the valve plate 16 is of an arc structure, the tail end of the valve plate 16 is provided with a convex connecting block 20, the bottom of the valve plate 16 is fixedly connected with a gravity spring 17, and one end of the gravity spring 17 is fixedly connected with a valve core 19, the side surfaces of two ends of the valve core 19 are provided with membranes 18, and two ends of the valve core 19 are respectively connected with the valve seat 3 and the valve plate 16.

In this embodiment, a hydraulic duct 15 is formed between the valve seat 3 and the valve plate 16, and the hydraulic duct 15 mainly transports a medium.

In this embodiment, the side of the valve body 1 is provided with symmetrical wiring ports 2, and the wiring ports 2 are used for connecting external devices and playing a role in connection.

In this embodiment, a fixing cap 21 is provided above the top of the valve body 1.

In this embodiment, the side both sides of disk seat 1 are provided with water inlet 6 and delivery port 8 respectively, and the centre of water inlet 6 and delivery port 8 is provided with hollow structure's branch hole runner 7, and the outside of water inlet 6 and delivery port 8 all is provided with sealing washer 9, and sealing washer 9 plays sealed effect, can seal water inlet 6 and delivery port 8, avoids inside medium outflow.

In this embodiment, be provided with fixing base 4 in the middle of the bottom of disk seat 1, and fixing base 4 bottom is provided with two at least screw holes 5, and 5 inside insert nuts in screw hole can be fixed fixing base 4 and valve body 1, when needs are dismantled, directly with fixing base 4 and valve body 1 separately can.

In this embodiment, two symmetrical electromagnet coils 10 are disposed at two ends of the interior of the valve body 1, the electromagnet coils 10 play a role of generating magnetic force, and when the valve body is powered on, the electromagnet coils 10 generate magnetic force.

In this embodiment, be close to the top of electromagnet coil 10 is provided with fixed iron core 11, and fixed iron core 11 mainly plays the fixed action, the bottom below of fixed iron core 11 is provided with reset spring subassembly 12, the terminal fixed connection movable iron core 13 of reset spring subassembly 12, reset spring subassembly 12 mainly play the effect that produces the elasticity, mainly used tensile movable iron core 13 below.

In this embodiment, a valve seat 3 is fixedly connected to a position close to the lower portion of the electromagnet coil 10, the valve seat 3 is made of a metal material, and the valve body 1 is made of a polytetrafluoroethylene material, so that the valve body has good chemical properties, is corrosion-resistant and wear-resistant, and has a long service life.

In this embodiment, the below gap junction valve block 16 of movable iron core 13, and valve block 16 is the arc structure, the end of valve block 16 is provided with convex connecting block 20, the bottom fixed connection gravity spring 17 of valve block 16, and the one end fixed connection case 19 of gravity spring 17, the both ends side of case 19 is provided with diaphragm 18, the both ends of case 19 respectively with disk seat 1 and valve block 16 are connected, and convex connecting block 20 is used for connecting fixed case 19, can play the sealing action with the contact of case 19, can avoid the outflow of the inside medium of valve body 1.

When the electromagnetic valve works, the electromagnet coil 10 is electrified, the fixed iron core 11 and the reset spring assembly 12 generate spring force, the movable iron core 13 is pulled to move upwards, the movable iron core 13 attracts the valve plate 16 to move upwards, the movable iron core 13 is attached and fixed with the valve plate 16, the hydraulic hole channel 15 is sealed, the gravity spring 17 at the bottom of the valve plate 16 overcomes the gravity to pull the valve core 19 below the valve plate to move upwards, at the moment, the valve core 19 is separated from the valve seat 3, the valve core 19 is separated from the valve plate 16, a channel is formed in the middle, a medium enters from the water inlet 6 and flows out from the water outlet 8, and at the moment, the electromagnetic valve is in an open state. On the contrary, the electromagnet coil 10 is powered off, the fixed iron core 11 and the return spring assembly 12 move downwards due to gravity, the movable iron core 13 seals the valve seat 3, the gravity spring 17 and the valve core 19 also seal the valve core 19 and the valve seat 3 due to the action of gravity, the valve core 19 and the valve sheet 16 are sealed, at the moment, the medium cannot flow out of the water outlet 8, and at the moment, the electromagnetic valve is in a closed state.

The utility model discloses following beneficial effect has: the utility model relates to a direct action type solenoid valve can not receive the influence of medium flow pressure and flow direction, can not rely on solenoid valve medium pressure differential to work, all can work under having the pressure and the non-pressure state to the leakproofness is strong, and corrosion resistance is good, and long service life has reduced the condition of leaking and has produced, is applicable to various environment.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (6)

1. The utility model provides a direct action type solenoid valve, includes valve body and disk seat, its characterized in that: valve body and disk seat integrated into one piece, the inside both ends of valve body all are provided with the electromagnet coil of symmetry, and electromagnet coil and the inside sealed chamber that forms of valve body, are close to electromagnet coil's top is provided with decides the iron core, the bottom below of deciding the iron core is provided with the reset spring subassembly, the terminal fixed connection of reset spring subassembly moves the iron core, is close to electromagnet coil's below fixed connection disk seat, move the below gap junction valve block of iron core, and the valve block is the arc structure, the end of valve block is provided with the convex connecting block, the bottom fixed connection gravity spring of valve block, and gravity spring's one end fixed connection case, the both ends side of case is provided with the diaphragm, the both ends of case respectively with disk seat and valve block are connected.

2. A direct-acting solenoid valve as claimed in claim 1, wherein: and a hydraulic pore passage is formed between the valve seat and the valve plate.

3. A direct-acting solenoid valve as claimed in claim 1, wherein: and symmetrical wiring ports are arranged on the side surface of the valve body.

4. A direct-acting solenoid valve as claimed in claim 1, wherein: a fixing cap is arranged above the top of the valve body.

5. A direct-acting solenoid valve as claimed in claim 1, wherein: the side both sides of disk seat are provided with water inlet and delivery port respectively, and the centre of water inlet and delivery port is provided with hollow structure's branch hole runner, and the outside of water inlet and delivery port all is provided with the sealing washer.

6. A direct-acting solenoid valve as claimed in claim 1, wherein: a fixing seat is arranged in the middle of the bottom of the valve seat, and at least two screw holes are formed in the bottom of the fixing seat.

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