CN211082888U

CN211082888U - Electromagnetic isolation valve

Info

Publication number: CN211082888U
Application number: CN201921649301.1U
Authority: CN
Inventors: 岳增林
Original assignee: Jiaxing Lexing Medical Technology Co ltd
Current assignee: Jiaxing Leqi Medical Technology Co ltd
Priority date: 2019-09-30
Filing date: 2019-09-30
Publication date: 2020-07-24
Anticipated expiration: 2029-09-30

Abstract

The utility model provides an electromagnetic isolation valve, which comprises a valve body, a shell, a diaphragm, a spring, a movable iron core component and an electromagnet component, wherein the shell is connected with the valve body to form an internal space; the diaphragm run through set up in the valve body, the diaphragm is protruding type, just diaphragm upper end protrusion department is provided with a plurality of cone angle, with the valve body tapering is sealed, the spring along the shell radially set up in the shell, spring one end with the shell is connected, the diaphragm with move the iron core subassembly and connect, move the iron core subassembly with the electromagnet assembly connects, move iron core subassembly one end with the spring other end is connected, the electromagnet assembly passes through the spring drives move the iron core subassembly along the axial direction reciprocating motion of valve body, move the iron core subassembly other end and pass through move the reciprocating motion drive of iron core subassembly the diaphragm compresses tightly or separates.

Description

Electromagnetic isolation valve

Technical Field

The utility model relates to a solenoid valve processing field, concretely relates to electromagnetism isolating valve.

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. Used in industrial control systems to regulate the direction, flow, velocity and other parameters of a medium. The solenoid valve can be matched with different circuits to realize expected control, and the control precision and flexibility can be ensured. The existing electromagnetic isolation valve usually adopts a diaphragm to be arranged in a valve body to do piston movement through electromagnetic force and a spring, so that the diaphragm is opened or closed, the diaphragm is closed under the action of spring force after the electromagnetic isolation valve is powered off, the diaphragm is not completely attached to the valve body, liquid or gas is reserved in a cavity inside the valve body, a cleaning process is needed, the liquid or gas remained in the valve body after the valve is closed is cleaned, the next operation can be continued, and the electromagnetic isolation valve is low in efficiency.

Disclosure of Invention

Technical problem to be solved

The utility model provides an electromagnetic isolation valve has solved electromagnetic isolation valve after the outage, and the diaphragm forms under the spring force effect and closes, and the diaphragm does not laminate completely with the valve body, and liquid or gas are persisted in the inside cavity formation of valve body to need there be the cleaning process, close the valve after inside remaining liquid or gas wash, just can continue the operation next time, make the problem that electromagnetic isolation valve is inefficiency.

(II) technical scheme

In order to solve the technical problem, the utility model provides an electromagnetic isolation valve, which comprises a valve body, a shell, a diaphragm, a spring, a movable iron core assembly and an electromagnet assembly, wherein the shell is connected with the valve body to form an inner space; the diaphragm run through set up in the valve body, the diaphragm is protruding type, just its department of diaphragm upper end salient is provided with a plurality of cone angle, with the valve body tapering is sealed, the spring along the shell radially set up in the shell, spring one end with the shell is connected, the diaphragm with move the iron core subassembly and connect, move the iron core subassembly with the electromagnet assembly connects, move iron core subassembly one end with the spring other end is connected, the electromagnet assembly passes through the spring drives move the iron core subassembly along the axial direction reciprocating motion of valve body, move the iron core subassembly other end and pass through move the reciprocating motion of iron core subassembly and drive the diaphragm compresses tightly or separates.

The utility model provides a further preferred setting of electromagnetism isolating valve is to electromagnet assembly includes case and metal coil, the case sets up inside the shell, be provided with the hole in the case, the spring with it all sets up to move iron core assembly in the hole, move iron core assembly with hole sliding fit.

The utility model provides a further preferred setting of electromagnetism isolating valve is into metal coil sets up the case with between the shell.

The utility model provides a further preferred setting of electromagnetism isolating valve is as move the iron core subassembly and include plunger and armature, plunger one end with the diaphragm contact, the other end with armature is connected.

The utility model provides a further preferred setting of electromagnetism isolating valve is into metal coil's one end is provided with the screw thread clamping ring, and is in inside the shell.

The utility model provides a further preferred setting up of electromagnetism isolating valve is provided with on the valve body with shell interconnect's screw hole, and will through the screw the valve body with the shell is connected.

The utility model provides a further preferred setting of electromagnetism isolating valve is into the diaphragm is plastics elasticity or then rubber elasticity diaphragm.

(III) advantageous effects

1. The utility model discloses an electromagnetic isolation valve will diaphragm and the sealed face of valve body are provided with the cone angle, make the diaphragm with the valve body forms a tapering and seals, and the diaphragm forms under the spring force effect and closes, and the diaphragm with the valve body is laminated completely for the inside cavity of valve body no longer remains the operation liquid or the gas of last time after the valve is closed, thereby reduces the cleaning process, raises the efficiency.

2. The valve body is provided with the threaded hole, the shell can be connected with the valve body through the screw, abrasion generated when the valve body and the shell are installed is reduced, and therefore the sealing effect is influenced.

Drawings

Fig. 1 is a schematic structural view of an electromagnetic isolation valve according to the present invention;

fig. 2 is a schematic cross-sectional view of an electromagnetic isolation valve according to the present invention;

FIG. 3 is a partially enlarged structural view of the portion of FIG. 2A;

wherein: 10. a valve body; 20. a housing; 30. a membrane; 40. a spring; 50. a valve core; 60. a metal coil; 70. an inner bore; 80. a plunger; 90. an armature; 100. a threaded bore.

Detailed Description

The following describes the present invention in further detail with reference to the following examples and accompanying fig. 1-3. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

As shown in fig. 1, the utility model provides an electromagnetic isolation valve, which comprises a valve body 10, a housing 20, a diaphragm 30, a spring 40, a movable iron core assembly and an electromagnet assembly, wherein the housing 20 is connected with the valve body 10 to form an inner space; the diaphragm 30 is arranged in the valve body 10 in a penetrating manner, the diaphragm 30 is convex, a plurality of taper angles are arranged at the position, protruding out of the upper end of the diaphragm 30, of the diaphragm 30 and are in taper seal with the valve body 10, the spring 40 is arranged in the shell 20 along the radial direction of the shell 20, one end of the spring 40 is connected with the shell 20, the diaphragm 30 is connected with the movable iron core assembly, the movable iron core assembly is connected with the electromagnet assembly, one end of the movable iron core assembly is connected with the other end of the spring 40, the electromagnet assembly drives the movable iron core assembly to reciprocate along the axial direction of the valve body 10 through the spring 40, the other end of the movable iron core assembly drives the diaphragm 30 to compress or separate through the reciprocating motion of the movable iron core assembly, meanwhile, a taper angle is arranged on the sealing surface of the diaphragm 30 and the valve body 10, so that the diaphragm 30, diaphragm 30 forms under the effect of spring 40 power and closes, and diaphragm 30 with valve body 10 laminates completely for last operation liquid or gas no longer remain in valve body 10 internal cavity after the valve is closed, thereby reduces the cleaning process, raises the efficiency.

Specifically, the electromagnet assembly includes a valve core 50 and a metal coil 60, the valve core 50 is disposed inside the housing 20, an inner hole 70 is disposed in the valve core 50, the spring 40 and the movable iron core assembly are both disposed in the inner hole 70, and the movable iron core assembly is in sliding fit with the inner hole 70.

Specifically, the metal coil 60 is disposed between the valve element 50 and the housing 20.

Specifically, the movable iron core assembly comprises a plunger 80 and an armature 90, wherein one end of the plunger 80 is in contact with the diaphragm 30, and the other end of the plunger 80 is connected with the armature 90.

Specifically, one end of the metal coil 60 is provided with a threaded press ring, and is inside the housing 20.

Specifically, the valve body 10 is provided with a threaded hole 100 connected with the housing 20, and the valve body 10 is connected with the housing 20 through a screw, so that abrasion between the valve body 10 and the housing 20 is reduced, and the sealing effect is affected.

Specifically, the diaphragm 30 is a plastic elastic or rubber elastic diaphragm 30.

Finally, it should be noted that: 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 and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. An electromagnetic isolation valve is characterized by comprising a valve body, a shell, a diaphragm, a spring, a movable iron core assembly and an electromagnet assembly, wherein the shell is connected with the valve body to form an inner space; the diaphragm run through set up in the valve body, the diaphragm is protruding type, just diaphragm upper end protrusion department is provided with a plurality of cone angle, with the valve body tapering is sealed, the spring along the shell radially set up in the shell, spring one end with the shell is connected, the diaphragm with move the iron core subassembly and connect, move the iron core subassembly with the electromagnet assembly connects, move iron core subassembly one end with the spring other end is connected, the electromagnet assembly passes through the spring drives move the iron core subassembly along the axial direction reciprocating motion of valve body, move the iron core subassembly other end and pass through move the reciprocating motion drive of iron core subassembly the diaphragm compresses tightly or separates.

2. The electromagnetic isolation valve of claim 1, wherein the electromagnet assembly comprises a valve core and a metal coil, the valve core is disposed inside the housing, an inner hole is disposed in the valve core, the spring and the movable iron core assembly are both disposed in the inner hole, and the movable iron core assembly is in sliding fit with the inner hole.

3. An electromagnetic isolation valve according to claim 2, wherein the metal coil is disposed between the spool and the housing.

4. The electromagnetic isolation valve of claim 3 wherein the plunger assembly comprises a plunger and an armature, the plunger contacting the diaphragm at one end and connected to the armature at the other end.

5. An electromagnetic isolation valve according to claim 3, wherein one end of the metal coil is provided with a threaded press ring and is inside the housing.

6. An electromagnetic isolation valve as claimed in claim 1, wherein the valve body is provided with a threaded hole for interconnection with the housing, and the valve body is connected with the housing by a screw.

7. An electromagnetic isolation valve according to claim 6, wherein the diaphragm is a plastic elastic or rubber elastic diaphragm.