CN211203064U

CN211203064U - Modular stop structure electromagnetic valve

Info

Publication number: CN211203064U
Application number: CN201922432071.XU
Authority: CN
Inventors: 张竖勋; 李鹏朝; 张亚辉; 郭成龙; 戚淑娟
Original assignee: Xinxiang Xinhua Hydraulic Machinery Co ltd
Current assignee: Xinxiang Xinhua Hydraulic Machinery Co ltd
Priority date: 2019-12-30
Filing date: 2019-12-30
Publication date: 2020-08-07
Anticipated expiration: 2029-12-30

Abstract

The utility model discloses a modular stop structure electromagnetic valve, which comprises a protective cover, a valve seat, a fixed movable door component, a movable iron core, a sealing check ring, a coil component and a static iron core; the upper part of the valve seat is a quadrangular prism, the lower part of the valve seat is a cylinder, and the inner cavity of the valve seat is a cylinder; the periphery of the cylinder at the lower part of the valve seat is provided with an annular groove with a sealing ring; the protective cover is cylindrical, a square flange is arranged in the middle of the periphery of the protective cover, the protective cover is inserted into the inner cavity of the cylinder from the upper end of the valve seat, and the square flange is fixedly connected with the upper end face of the prism of the valve seat; the lower cylinder of the valve seat is inserted into a valve block groove of the electromagnetic valve group and is connected with a valve block screw; the radial direction of the cylindrical part of the valve seat is provided with an air passing hole; and a fixed movable door component, a movable iron core, a sealing check ring, a coil component, a static iron core and the like are hermetically arranged in a cavity surrounded by the protective cover and the valve seat. The utility model discloses a when the solenoid valve used on integrated solenoid valve group valve piece, the cylinder of disk seat lower part fastens the direct cartridge of solenoid valve in solenoid valve group valve piece, simple to operate practices thrift the space.

Description

Modular stop structure electromagnetic valve

Technical Field

The utility model relates to a fluid control field especially relates to a modular structure solenoid valve that ends.

Background

The electromagnetic valve is an industrial device controlled by electromagnetism, is an automatic basic element for controlling fluid and belongs to a directional control valve. Solenoid valves are widely used in industrial control systems to adjust the direction, flow rate, speed, etc. of a fluid. The electromagnetic valve can be matched with different circuits to realize expected control, and meanwhile, the control precision and flexibility are guaranteed. At present, several solenoid valves are usually integrated on an integrated valve plate for automatic control and space saving.

At present, a valve with high-pressure control is designed as an independent interface, and is required to be connected into a pipeline through pipeline accessories such as a pipe joint and the like, so that the installation is inconvenient, and the occupied space is large.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a modular is by structure solenoid valve, this solenoid valve do not need the pipeline annex, and direct cartridge is connected with the pipeline in solenoid valve group valve piece, simple to operate practices thrift the space.

The technical scheme of the utility model is that:

a modular shut off structure solenoid valve comprising: the device comprises a protective cover, a valve seat, a fixed movable door component, a movable iron core, a sealing check ring, a coil component and a static iron core; the upper part of the valve seat is a quadrangular prism, the lower part of the valve seat is a cylinder, and the inner cavity of the valve seat is a cylinder; an annular groove is formed in the periphery of the cylinder at the lower part of the valve seat, and a sealing ring is arranged in the annular groove; the protective cover is cylindrical, a square flange is arranged in the middle of the periphery of the protective cover, the protective cover is inserted into the inner cavity of the cylinder of the valve seat from the upper end of the valve seat, and the square flange is fixedly connected with the upper end face of the quadrangular prism of the valve seat; the cylinder at the lower part of the valve seat is inserted into a valve block groove of the electromagnetic valve group and is connected with the valve block through a screw, and 2 or more than 2 air passing holes are arranged in the radial direction of the cylindrical part of the valve seat; the bottom of the inner cavity of the valve seat is provided with an annular flange, and the fixed valve assembly and the movable valve assembly are hermetically arranged on the annular flange; a cylindrical space ring which is fixedly sealed with the inner cavity of the valve seat is arranged above the fixed valve assembly, and two vent holes communicated with the air passing holes are formed in the side surface of the space ring; a cylindrical sealing check ring is arranged above the spacer ring, a movable iron core capable of moving up and down is arranged in the inner cylinders of the spacer ring and the sealing check ring, and the movable iron core can block the fixed valve assembly when moving to the lowest end; an annular boss is arranged on the inner cylinder wall of the sealing check ring, an annular convex edge is arranged on the periphery of the bottom of the movable iron core, the annular boss, the annular convex edge, the movable iron core and the sealing check ring form a spring cavity, and a reset spring is arranged in the spring cavity; the top of the retaining ring of obturating be provided with move the coaxial hollow coil assembly of iron core, be provided with quiet iron core in coil assembly's the hollow, quiet iron core is fixed safety cover inner chamber top, quiet iron core axle center is provided with the exhaust hole, the exhaust hole is in the top intercommunication atmosphere of safety cover.

Preferably, the top of the static iron core is further provided with a horizontal air hole communicated with the atmosphere, and the horizontal air hole is vertically communicated with the exhaust hole; the horizontal air hole is provided with a cone valve, a valve core of the cone valve is connected with the static iron core through threads, and the top of the valve core is locked by a locking nut.

Preferably, an elastic rubber pad is fixed on the movable iron core and the plugging part of the fixed and movable door assembly.

Preferably, a rubber pad is arranged at the contact part of the movable iron core and the exhaust hole of the static iron core.

Preferably, through holes are arranged at two ends of one diagonal line of the square flange, and gaps are arranged at two ends of the other diagonal line; threaded holes corresponding to the through holes are formed in two ends of one diagonal line of the quadrangular end face of the valve seat, and through holes corresponding to the notches are formed in two ends of the other diagonal line; the valve seat passes through the screw hole with the via hole is connected the fastening with the safety cover, the valve seat passes through the screw in the via hole is connected the fastening with solenoid valve group valve block.

The utility model has the advantages that:

the utility model discloses a modular is by structure solenoid valve passes through safety cover and disk seat fixed connection, will decide the valve subassembly in the cavity that safety cover and disk seat enclose, move the iron core, the retaining ring of obturating, coil pack and quiet iron core seal installation, when using, the cylinder through the disk seat lower extreme with the direct cartridge of solenoid valve in solenoid valve group valve piece, then fixed through the screw connection, need not additionally set up coupling and pipeline annex, especially when using on integrated solenoid valve group valve piece, simple to operate practices thrift the space.

Drawings

Fig. 1 is a schematic diagram of the structure and the power-on working state of the modular stop structure solenoid valve of the present invention.

Fig. 2 is a schematic external view of the modular stop structure solenoid valve of the present invention.

Fig. 3 is a schematic structural view of a protective cover of the modular stop structure solenoid valve of the present invention.

Fig. 4 is a schematic view of the valve seat structure of the modular stop structure solenoid valve of the present invention.

Fig. 5 is a schematic diagram of the module type stop structure solenoid valve of the present invention in a power-off operating state.

In the figure:

1. a protective cover; 11. a square flange; 12. a notch; 2. a valve seat; 21. a quadrangular prism; 22. a cylinder; 23. air passing holes; 24. a via hole; 25. an annular flange; 26. an annular groove; 27. a threaded hole; 28. a via hole; 3. a fixed valve assembly; 4. a movable iron core; 41. an elastic rubber pad; 42. an annular rib; 5. sealing the retainer ring; 51. 52, a vent hole; 53. an annular boss; 54. a space ring; 6. a coil assembly; 7. a stationary iron core; 71. a horizontal air hole; 72. a rubber pad; 8. an exhaust hole; 9. a valve core; 91. locking the nut; 10. a solenoid valve block; 101. a gas inlet path; 102. a gas circuit.

Detailed Description

The present invention will be described in detail with reference to the following embodiments and accompanying drawings.

Fig. 1 is a schematic structural diagram of a modular stop structure solenoid valve according to the present invention, including: the device comprises a protective cover 1, a valve seat 2, a fixed movable door component 3, a movable iron core 4, a sealing check ring 5, a coil component 6 and a static iron core 7; as shown in fig. 4, the upper part of the valve seat 2 is a quadrangular prism 21, the lower part of the valve seat 2 is a cylinder 22, and the inner cavity of the valve seat 2 is a cylinder; the cylinder 22 at the lower part of the valve seat 2 is provided with an annular groove 26, and the groove can be arranged in one or a plurality of grooves arranged in parallel. A sealing ring is arranged in the annular groove 26; the protective cover 1 is cylindrical as shown in fig. 3, a square flange 11 is arranged in the middle of the periphery of the protective cover 1, the protective cover 1 is inserted into the inner cavity of the cylinder from the upper end of the valve seat 2, and the square flange 11 is fixedly connected with the upper end face of the quadrangular prism 21 of the valve seat 2; a cylinder 22 at the lower part of the valve seat 2 is inserted into a groove of a valve block 10 of the solenoid valve group, as shown in fig. 1, and is in screw connection with the valve block 10, and the cylinder 22 part of the valve seat 2 is radially provided with a plurality of air passing holes 23, wherein the number of the air passing holes is 2 or more than 2; an annular flange 25 is arranged at the bottom of the inner cavity of the valve seat 2, and the fixed valve assembly 3 is hermetically arranged on the annular flange 25; a cylindrical space ring 54 which is fixed with the inner cavity of the valve seat 2 in a sealing way is arranged above the fixed valve component 3, and two

vent holes

51 and 52 which are communicated with the air passing hole 23 are arranged on the side surface of the space ring 54; a cylindrical sealing check ring 5 is arranged above the spacer ring 54, a movable iron core 4 capable of moving up and down is arranged in the inner cylinders of the spacer ring 54 and the sealing check ring 5, and the movable iron core 4 can block the fixed valve assembly 3 when moving to the lowest end;

the inner cylinder wall of the sealing check ring 5 is provided with an annular boss 53, the periphery of the bottom of the movable iron core 4 is provided with an annular convex edge 42, the annular boss 53, the annular convex edge 42, the movable iron core 4 and the sealing check ring 5 form a spring cavity, and a reset spring is installed in the spring cavity. Installation reset spring can the utility model discloses a modular is after the outage of structure solenoid valve, under the effect of reset spring restoring force, reset spring promotes movable core 4 and resets and shutoff and decides movable door subassembly 3, just so can the utility model discloses a solenoid valve is with arbitrary angle installation, and need not necessarily want perpendicular to ground installation.

The top of the check ring 5 of obturating be provided with move the coaxial hollow coil pack 6 of iron core 4, be provided with quiet iron core 7 in coil pack 6's the hollow, quiet iron core 7 is fixed 1 inner chamber top of safety cover, quiet iron core 7 axle center is provided with exhaust hole 8, exhaust hole 8 is in the top intercommunication atmosphere of safety cover 1.

The sealing retainer ring 5 and the spacer ring 54 are arranged to prevent gas in the gas loop from entering the coil assembly 6, so that corrosion of the internal pressure of the solenoid valve, moisture in the gas and the like to the coil assembly is reduced.

The utility model discloses a modular stop structure solenoid valve's mounting method does:

the utility model discloses a modular is at first will decide shutter subassembly 3, move iron core 4, the retaining ring 5 of obturating, coil pack 6 and quiet iron core 7 seal installation in the cavity that protective cover 1 and disk seat 2 enclose by the structure solenoid valve, then with protective cover 1 and disk seat 2 fixed connection. When the valve is used, the electromagnetic valve is directly inserted into the groove on the valve block 10 of the electromagnetic valve group through the cylinder 22 at the lower part of the valve seat 2, and then the electromagnetic valve is fixedly connected through the screw, and after the installation is completed, the fixed valve assembly 3 is communicated with the gas inlet 101 on the valve block 10 of the electromagnetic valve group. A plurality of air passing holes 23 radially arranged on the cylindrical part 22 of the valve seat 2 are communicated with a gas circuit 102 on the solenoid valve group valve block 10. The utility model discloses a modular is by direct cartridge of structure solenoid valve in the solenoid valve group valve block, and the sealing washer in the annular groove 26 seals it with valve block 10 this moment. The utility model discloses a modular is in ending structure solenoid valve passes through the cartridge and inserts the pipeline, does not need the pipeline annex, and simple to operate practices thrift the space.

The utility model discloses a modular stop structure solenoid valve's theory of operation does:

as shown in fig. 1, when the power is turned on, the coil assembly 6 is powered on, the stationary core 7 attracts the movable core 4 to move upwards under the action of magnetic force, the gas in the gas inlet 101 enters the vent holes 51 and 52 through the fixed valve assembly 3 and is communicated with the gas passing holes 23, so that the gas passing holes 23 at the lower end of the movable core 4 are communicated to form a passage, then the gas enters the gas loop 102, at the moment, the electromagnetic valve is in an open state, and the whole gas loop is communicated. When the power is off, the coil assembly 6 is not electrified, as shown in fig. 5, the static iron core 7 has no attraction force, the movable iron core 4 moves downwards under the action of the restoring force of the spring, so that the vent holes 51 and 52 at the lower end of the movable iron core 4 are disconnected, and meanwhile, the static iron core 7 moves to the lowest end to block the fixed and movable door assembly 3. The gas inlet 101 is disconnected from the gas circuit 102 and the solenoid valve is closed.

Of course, a filter screen may be installed at the inlet of the fixed valve assembly 3, so that the gas in the passage can be filtered. The utility model discloses a 7 axle centers of quiet iron core of modular by structure solenoid valve are provided with exhaust hole 8, exhaust hole 8 is in the top intercommunication atmosphere of safety cover 1, follow the gas circuit like this and move the gas that the gap got into between iron core 4 and the retaining ring 5 of obturating can in time discharge along exhaust hole 8, can not form the malleation in the solenoid valve is inside.

As shown in fig. 1, preferably, the modular cutoff structure solenoid valve of the present invention is further provided with a horizontal air hole 71 communicating with the atmosphere at the top of the stationary core 7, and the horizontal air hole 71 is vertically communicated with the exhaust hole 8; a cone valve is arranged on the horizontal air hole 71, a valve core 9 of the cone valve is fixedly connected with the static iron core 7 through threads, and the top of the valve core 9 is locked by a locking nut 91. Thus, the opening size of the horizontal air hole 71 between the valve core 9 and the static iron core 7 can be controlled by adjusting the screwing amount of the valve core 9 in the horizontal air hole 71, when the opening size is slowly increased, the gas stored in the electromagnetic valve can be slowly released, the generation of noise when the gas is rapidly diffused is avoided, and the purpose of silencing is achieved.

Preferably, the movable iron core 4 of the modular stop structure solenoid valve of the present invention and the plugging portion of the fixed valve assembly 3 are fixed with elastic rubber pads 41. The elastic rubber pad 41 seals the fixed valve assembly 3 more tightly when the movable iron core 4 moves to the lowest end, so that the air path is closed more tightly.

Preferably, the rubber pad 72 is disposed at a contact position of the movable iron core 4 and the exhaust hole 8 of the stationary iron core 7 of the modular stop structure solenoid valve of the present invention. The rubber pad 72 can form a seal between the static iron core 7 and the movable iron core 4, and gas in the loop is prevented from leaking out in the working state of the modular stop structure solenoid valve.

Preferably, as shown in fig. 3, through holes 24 are provided at two ends of one diagonal line of the square flange 11 on the protection cover 1 of the modular stop structure solenoid valve of the present invention, and notches 12 are provided at two ends of the other diagonal line; two ends of one diagonal line of the end surface of the quadrangular prism 21 of the valve seat are provided with threaded holes 27 corresponding to the through holes 24, and two ends of the other diagonal line are provided with through holes 28 corresponding to the notches 12; the valve seat 2 passes through screw hole 27 with via hole 24 with the safety cover 1 is connected the fastening, valve seat 2 passes through screw in the via hole 28 is connected the fastening with solenoid valve group valve block, as shown in fig. 2 for connecting and forming the utility model discloses a modular is by the appearance structure of structure solenoid valve. Through setting up the breach on the square flange of protective cover, reserve the hole site of 2 screw holes of disk seat, it is convenient installing the utility model discloses a screwing up of screw during the solenoid valve to compact structure need not redesign bigger screw position on disk seat 2, practices thrift the space.

It should be noted that the above description of the embodiments is only for assisting understanding of the present invention, but does not limit the present invention. In addition, the technical features related to the embodiments of the present invention described above may be combined with each other as long as they do not conflict with each other. The above embodiments are only some embodiments, not all embodiments, and all other embodiments obtained by those skilled in the art without creative work are all included in the protection scope of the present invention.

Claims

1. A modular shut-off structure solenoid valve, comprising: the device comprises a protective cover, a valve seat, a fixed movable door component, a movable iron core, a sealing check ring, a coil component and a static iron core;

the upper part of the valve seat is a quadrangular prism, the lower part of the valve seat is a cylinder, and the inner cavity of the valve seat is a cylinder; an annular groove is formed in the periphery of the cylinder at the lower part of the valve seat, and a sealing ring is arranged in the annular groove; the protective cover is cylindrical, a square flange is arranged in the middle of the periphery of the protective cover, the protective cover is inserted into the inner cavity of the cylinder of the valve seat from the upper end of the valve seat, and the square flange is fixedly connected with the upper end face of the quadrangular prism of the valve seat; the cylinder at the lower part of the valve seat is inserted into a valve block groove of the electromagnetic valve group and is connected with the valve block through a screw, and 2 or more than 2 air passing holes are arranged in the radial direction of the cylindrical part of the valve seat;

the bottom of the inner cavity of the valve seat is provided with an annular flange, and the fixed valve assembly and the movable valve assembly are hermetically arranged on the annular flange; a cylindrical space ring which is fixedly sealed with the inner cavity of the valve seat is arranged above the fixed valve assembly, and two vent holes communicated with the air passing holes are formed in the side surface of the space ring; a cylindrical sealing check ring is arranged above the spacer ring, a movable iron core capable of moving up and down is arranged in the inner cylinders of the spacer ring and the sealing check ring, and the movable iron core can block the fixed valve assembly when moving to the lowest end;

an annular boss is arranged on the inner cylinder wall of the sealing check ring, an annular convex edge is arranged on the periphery of the bottom of the movable iron core, the annular boss, the annular convex edge, the movable iron core and the sealing check ring form a spring cavity, and a reset spring is arranged in the spring cavity;

the top of the retaining ring of obturating be provided with move the coaxial hollow coil assembly of iron core, be provided with quiet iron core in coil assembly's the hollow, quiet iron core is fixed safety cover inner chamber top, quiet iron core axle center is provided with the exhaust hole, the exhaust hole is in the top intercommunication atmosphere of safety cover.

2. The modular cutoff structure solenoid valve as claimed in claim 1, wherein the top of said static iron core is further provided with a horizontal air hole communicated with the atmosphere, said horizontal air hole is vertically communicated with said air vent; the horizontal air hole is provided with a cone valve, a valve core of the cone valve is connected with the static iron core through threads, and the top of the valve core is locked by a locking nut.

3. The modular shut-off structure solenoid valve as claimed in claim 1, wherein the movable core and the fixed valve assembly are sealed by an elastic rubber gasket.

4. The modular cutoff structure solenoid valve as claimed in claim 1 wherein a rubber pad is provided on the movable iron core at a contact portion with the exhaust hole of the stationary iron core.

5. The modular cutoff structure solenoid valve as claimed in claim 1 wherein both ends of one diagonal line of said square flange are provided with via holes and both ends of the other diagonal line are provided with notches; threaded holes corresponding to the through holes are formed in two ends of one diagonal line of the quadrangular end face of the valve seat, and through holes corresponding to the notches are formed in two ends of the other diagonal line; the valve seat passes through the screw hole with the via hole is connected the fastening with the safety cover, the valve seat passes through the screw in the via hole is connected the fastening with solenoid valve group valve block.