CN215487747U

CN215487747U - High-reliability zero-leakage disconnecting link type electromagnetic valve

Info

Publication number: CN215487747U
Application number: CN202121403162.1U
Authority: CN
Inventors: 季善宏; 夏克洲
Original assignee: Shanghai Juliang Solenoid Valve Manufacture Co ltd
Current assignee: Shanghai Juliang Solenoid Valve Manufacture Co ltd
Priority date: 2021-06-23
Filing date: 2021-06-23
Publication date: 2022-01-11
Anticipated expiration: 2031-06-23

Abstract

The utility model discloses a high-reliability zero-leakage disconnecting link type electromagnetic valve which comprises a valve body component and an electromagnetic coil component, wherein the electromagnetic coil component is positioned above the valve body component, a valve core component is movably arranged above the interior of the valve body component, a valve core reset spring is arranged inside the valve core component, a valve cover component is fixedly arranged inside the electromagnetic coil component, a valve cover sealing gasket is fixedly arranged at the bottom of the valve cover component, a shockproof gasket is fixedly arranged on the outer side of the valve cover component, and an electromagnetic coil bolt gasket is detachably arranged on the upper surface of the electromagnetic coil component. The high-reliability zero-leakage disconnecting link type electromagnetic valve can eliminate leakage hidden danger caused by mutual interference of actions of the opening and closing part and the jacking part in the conventional disconnecting link type electromagnetic valve, and can improve the sealing reliability, so that the design of the high-reliability zero-leakage disconnecting link type electromagnetic valve is obtained.

Description

High-reliability zero-leakage disconnecting link type electromagnetic valve

Technical Field

The utility model relates to the technical field of electromagnetic valves, in particular to a high-reliability zero-leakage disconnecting link type electromagnetic 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 precision and flexibility of the control can be basically ensured. There are many kinds of electromagnetic valves, and different electromagnetic valves play roles in different positions of a control system, and the most common electromagnetic valves are a one-way valve, a safety valve, a direction control valve, a speed regulating valve and the like;

however, the existing knife gate type electromagnetic valve has certain disadvantages to be improved when in use, and the traditional knife gate type electromagnetic valve has the risk of leakage because the flashboard bears the acting forces in the horizontal direction and the vertical direction at the same time, so that the high reliability and zero leakage of the electromagnetic valve cannot be realized, and the using effect of the electromagnetic valve is reduced.

SUMMERY OF THE UTILITY MODEL

The utility model mainly aims to provide a high-reliability zero-leakage disconnecting link type electromagnetic valve which can effectively solve the technical problem in the background technology.

In order to achieve the purpose, the utility model adopts the technical scheme that:

a high-reliability zero-leakage knife switch type electromagnetic valve comprises a valve body component and an electromagnetic coil component, wherein the electromagnetic coil component is located above the valve body component, a valve core component is movably mounted above the inside of the valve body component, a valve core reset spring is arranged inside the valve core component, a valve cover component is fixedly mounted inside the electromagnetic coil component, a valve cover sealing gasket is fixedly mounted at the bottom of the valve cover component, a shockproof gasket is fixedly mounted on the outer side of the valve cover component, an electromagnetic coil bolt gasket is detachably mounted on the upper surface of the electromagnetic coil component, a valve body is fixedly mounted at the top of the valve body component, a valve body joint is fixedly mounted on the outer surface of one side of the valve body component, two joint bolt gaskets are fixedly mounted on the outer side of the valve body joint, a first sealing ring and a knife edge sealing gasket are arranged at one side of the inside of the valve body component, the utility model discloses a valve body component, including valve body component, first sealing washer, valve body component, sealed pad of edge of a knife, first sealing washer is located the sealed one side of the sealed pad of edge of a knife, one side fixed mounting that the inside of valve body component is located the sealed pad of edge of a knife has the sealed pad of packing, the outside movable mounting that the sealed pad of packing has sealing spring, one side fixed mounting that the sealed pad of packing has the second sealing washer, the inside below position fixed mounting of valve body component has the sealed pad of drain, the inside of valve body component is located the sealed below position screw thread that fills up of drain and installs the drain end cap.

As a further scheme of the utility model, the valve element component comprises a movable iron core, a pin and a gate plate, the movable iron core is inserted into the bottom of the gate plate and movably connected with the bottom of the gate plate, the pin penetrates through the movable iron core and the gate plate, and the movable iron core and the gate plate are positioned inside the valve body component.

As a further scheme of the present invention, the valve cover component includes a valve cover, a conduit and a static iron core, the conduit is fixedly installed above the valve cover, the static iron core is fixedly installed above the conduit, the valve cover is in threaded connection with the valve body, and the conduit and the static iron core are located inside the electromagnetic coil component.

As a further scheme of the utility model, the valve body part and one end of the valve body joint can be detachably provided with a dustproof cover.

As a further scheme of the utility model, the section of an inner hole of the valve body component is phi-shaped, the aperture of the round hole is smaller than the outer diameter of the movable iron core, and the length and width of the valve body strip hole are larger than the thickness and width of the flashboard.

As a further aspect of the present invention, the valve body joint is attached to the second seal ring, and the valve body joint is located at an outer side position of the seal spring.

As a further scheme of the utility model, the upper end of the valve core return spring is connected with the valve cover component, the valve body is positioned at the outer side position of the valve core component, and a small through hole is formed in the bottom of the valve body.

Compared with the prior art, the utility model has the following beneficial effects:

the novel valve body is innovatively designed, so that the action limit of internal parts during opening and closing of the novel valve body is changed, and the action and acting force of the internal valve core part, the valve core reset spring, the compression sealing gasket and the sealing spring are decomposed, so that the leakage hidden danger caused by mutual interference of the action of an opening and closing part and a jacking part in the conventional knife gate type electromagnetic valve is eliminated;

the valve body comprises a valve body component, a valve body, a valve core component and a valve cover component, the valve body comprises an inner hole section for assembling the valve core component, the valve body comprises a small through hole at the bottom of a gate plate hole and is used as a through hole for discharging sewage or installing a signal device, a sealing gasket, a plug or a signal device installation locking hole can be installed on the outer side of the small through hole, a double-lug flange and threaded holes on two sides can be installed on the outer side of the locking hole and are used for installing and fixing the valve cover, the pin hole on the gate plate is in clearance fit with a pin, after the valve body is assembled, the gate plate can freely move and rotate in a proper range along the pin, after the assembly and during the work, a movable iron core and the gate plate bear the acting force without interference, and the valve core component installation limiting surface is designed, so that the gate plate only bears the horizontal force for enabling the gate plate to be attached to a flat knife edge when the medium is cut off and required to be sealed, and the sealing reliability is improved through the design, thereby obtaining the design of the knife switch type electromagnetic valve with high reliability and zero leakage.

Drawings

FIG. 1 is a schematic diagram of the overall structure of a high-reliability zero-leakage knife-switch type solenoid valve according to the present invention;

FIG. 2 is a side view of a high reliability zero leakage knife-switch solenoid valve of the present invention;

FIG. 3 is a schematic diagram of a high reliability zero leakage knife-switch solenoid valve of the present invention;

FIG. 4 is an exploded view of the valve body and solenoid components of a high reliability zero leakage knife-gate solenoid valve of the present invention;

FIG. 5 is a partial exploded view of the valve body components of a high reliability zero leakage knife-switch solenoid valve of the present invention;

FIG. 6 is a structural view of a valve core component of a high reliability zero leakage knife-switch type solenoid valve of the present invention;

fig. 7 is a structural view of a valve cover member of a high-reliability zero-leakage knife-type solenoid valve according to the present invention.

In the figure: 1. a valve body member; 2. a valve core component; 3. a valve core return spring; 4. a valve cover sealing gasket; 5. A bonnet member; 6. a vibration-proof washer; 7. an electromagnetic coil component; 8. an electromagnetic coil bolt washer; 9. a valve body; 10. a dust cover; 11. a drain outlet sealing gasket; 12. a drain outlet plug; 13. a first seal ring; 14. a knife edge sealing gasket; 15. compressing the sealing gasket; 16. a seal spring; 17. a second seal ring; 18. a valve body joint; 19. a joint bolt spacer; 20. a movable iron core; 21. a pin; 22. a shutter plate; 23. a valve cover; 24. a conduit; 25. and a static iron core.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the utility model easy to understand, the utility model is further described with the specific embodiments.

As shown in fig. 1-7, a high-reliability zero-leakage knife-switch type electromagnetic valve comprises a valve body component 1 and an electromagnetic coil component 7, wherein the electromagnetic coil component 7 is located above the valve body component 1, a valve core component 2 is movably installed above the inside of the valve body component 1, a valve core return spring 3 is arranged inside the valve core component 2, a valve cover component 5 is fixedly installed inside the electromagnetic coil component 7, a valve cover gasket 4 is fixedly installed at the bottom of the valve cover component 5, a shockproof gasket 6 is fixedly installed on the outer side of the valve cover component 5, an electromagnetic coil bolt gasket 8 is detachably installed on the upper surface of the electromagnetic coil component 7, a valve body 9 is fixedly installed at the top of the valve body component 1, a valve body joint 18 is fixedly installed on the outer surface of one side of the valve body component 1, two joint bolt gaskets 19 are fixedly installed on the outer side of the valve body joint 18, a first sealing ring 13 and a sealing gasket 14 are arranged at one side position inside the valve body component 1, the first sealing ring 13 is positioned on one side of the knife-edge sealing gasket 14, the compression sealing gasket 15 is fixedly arranged on one side of the knife-edge sealing gasket 14 in the valve body component 1, the sealing spring 16 is movably arranged on the outer side of the compression sealing gasket 15, the second sealing ring 17 is fixedly arranged on one side of the compression sealing gasket 15, the sewage draining port sealing gasket 11 is fixedly arranged at the lower position in the valve body component 1, and the sewage draining port plug 12 is arranged at the lower position of the sewage draining port sealing gasket 11 in the valve body component 1 in a threaded manner;

the valve core component 2 comprises a movable iron core 20, a pin 21 and a shutter 22, wherein the movable iron core 20 is inserted into the bottom of the shutter 22 and movably connected with the bottom of the shutter 22, the pin 21 penetrates through the movable iron core 20 and the shutter 22, and the movable iron core 20 and the shutter 22 are positioned inside the valve body component 1; the valve cover component 5 comprises a valve cover 23, a guide pipe 24 and a static iron core 25, the guide pipe 24 is fixedly arranged above the valve cover 23, the static iron core 25 is fixedly arranged above the guide pipe 24, the valve cover 23 is in threaded connection with the valve body 9, and the guide pipe 24 and the static iron core 25 are positioned inside the electromagnetic coil component 7; one end of the valve body part 2 and one end of the valve body joint 18 can be detachably provided with the dustproof cover 10; the cross section of an inner hole of the valve body component 1 is phi-shaped, the aperture of a round hole is smaller than the outer diameter of the movable iron core 20, and the length and width of each hole of the valve body 9 are larger than the thickness and width of the flashboard 22; the valve body joint 18 is attached to the second sealing ring 17, and the valve body joint 18 is positioned at the outer side of the sealing spring 16; the upper end of the valve core reset spring 3 is connected with the valve cover part 5, the valve body 9 is positioned at the outer side position of the valve core part 2, and a small through hole is arranged at the bottom of the valve body 9.

It should be noted that, when the knife-switch type electromagnetic valve with high reliability and zero leakage is used, a medium through hole on the gate plate 22 in the valve core part 2 is positioned at one side far away from the movable iron core 20, after the assembly, the gate plate 22 hole is positioned below the cavity of the valve body part 1 and is not communicated with the medium channel of the valve body part 1, when the electromagnetic coil part 7 is electrified, the valve core part 2 and the static iron core 25 are attracted under the action of electromagnetic force, so that the gate plate 22 hole is aligned with the medium channel of the valve body part 1 and is communicated, the electromagnetic valve is opened, the medium can be circulated, when the electromagnetic coil part 7 is powered off, the valve core part 2 is separated from the static iron core 25 and returns to the initial position of the assembly under the action of the valve core reset spring 3 and the self weight, the gate plate 22 hole is not communicated with the medium channel of the valve body, the medium is cut off and the electromagnetic valve is closed, the medium through hole on the gate plate 22 in the valve core part 2 is positioned at one side near the movable iron core 20, after the valve body part 1 is assembled, the flashboard 22 hole is positioned in the center in the cavity of the valve body part 1 and is aligned and communicated with the medium channel of the valve body part 1, and at the moment, the medium can normally circulate; when the electromagnetic coil part 7 is electrified, the valve core part 2 and the static iron core 25 are attracted under the action of the electromagnetic force, so that the hole of the gate plate 22 is separated from the medium channel of the valve body part 1 to form cut-off, the electromagnetic valve is opened, the medium circulation is cut off, when the electromagnetic coil part 7 is powered off, the valve core part 2 is separated from the static iron core 25 under the action of the valve core reset spring 3 and the dead weight and returns to the initial position of assembly, the hole of the gate plate 22 is aligned and communicated with the medium channel of the valve body, the medium can normally circulate, the electromagnetic valve is closed, when the valve core part 2 is installed, the movable iron core 20 is connected with the end surface of one side of the gate plate 22 and is attached to the end surface of the phi-shaped hole to be used as the limit when the valve core part 2 is reset, when the valve core part 2 is at the position, the two vertical forces vertical to the direction perpendicular to the direction of the gate plate, which are only acted on the movable iron core 20 and are not influenced by the valve core 22, meanwhile, the flashboard 22 is only pushed by the sealing spring 16 to tightly press the two horizontal forces of the flashboard 22 and the pressure of the inlet medium, which are horizontally overlapped with the flow passage direction, because the flashboard 22 and the pin 21 on the valve core component 2 are in clearance fit, the vertical force and the horizontal force do not interfere with each other, the horizontal force determines the fit degree of the flashboard 22 and the knife-edge sealing gasket 14, which is a key factor of the sealing property of the valve port, the cross section of an inner hole of the valve body 9 for containing and assembling the valve core component 2 is phi-shaped, the cross section of the outer surface corresponding to the phi-shaped cross section is also phi-shaped, the hole opening faces upwards, the central axis of the hole and the axis of a medium channel hole are in a cross shape, the valve body 9 contains a small through hole at the bottom of the hole 22 and is used as a through hole for installing a pollution discharge or signal device, and a sealing gasket, plug or signal device installing locking hole can be installed outside the small through hole, the outer side of the opening of the locking hole can be provided with a double-lug flange, threaded holes on two sides are used for installing and fixing the valve cover 23, the pin holes on the flashboard 22 are in clearance fit with the pins 21, and after the flashboard 22 is assembled, the flashboard 22 can freely move and rotate along the pins 21 in a proper range.

According to the utility model, by arranging the valve core component 2, the valve core reset spring 3, the pressing sealing gasket 15 and the sealing spring 16, the action and acting force of the internal valve core component 2, the valve core reset spring 3, the pressing sealing gasket 15 and the sealing spring 16 are decomposed by innovatively designing a novel valve body without changing the installation mode and size of the inlet and outlet of the original knife gate type electromagnetic valve and changing the action limit of internal parts when the novel valve body is opened and closed, so that the leakage hidden danger caused by the mutual interference of the actions of an internal opening and closing part and a pressing part of the conventional knife gate type electromagnetic valve is eliminated; by arranging the valve body component 1, the valve body 9, the valve core component 2 and the valve cover component 5, the valve body 9 contains and assembles the inner hole section of the valve core component 2, the valve body 9 contains a small through hole at the bottom of a hole of the flashboard 22 and is used as a through hole for pollution discharge or signal device installation, a sealing gasket, a plug or a signal device installation locking hole can be installed at the outer side of the small through hole, a double-lug flange and threaded holes at two sides can be installed at the outer side of the locking hole and are used as installation and fixation of the valve cover 23, the pin hole on the flashboard 22 is in clearance fit with the pin 21, after the assembly, the flashboard 22 can freely move and rotate in a proper range along the pin 21, after the assembly and during the operation, the movable iron core 20 and the flashboard 22 do not interfere with each other under the action force, the installation limiting surface of the valve core component 2 is designed, so that the flashboard 22 only bears the horizontal force for flatly pasting the flashboard when the medium is cut off and requires to be sealed, by means of the design, the sealing reliability of the knife-switch type electromagnetic valve is improved, and the design of the knife-switch type electromagnetic valve with high reliability and zero leakage is achieved.

The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a knife switch formula solenoid valve of zero leakage of high reliability which characterized in that: the electromagnetic valve comprises a valve body component (1) and an electromagnetic coil component (7), wherein the electromagnetic coil component (7) is located above the valve body component (1), a valve core component (2) is movably mounted above the inside of the valve body component (1), a valve core reset spring (3) is arranged inside the valve core component (2), a valve cover component (5) is fixedly mounted inside the electromagnetic coil component (7), a valve cover sealing gasket (4) is fixedly mounted at the bottom of the valve cover component (5), a shockproof gasket (6) is fixedly mounted on the outer side of the valve cover component (5), an electromagnetic coil bolt gasket (8) is detachably mounted on the upper surface of the electromagnetic coil component (7), a valve body (9) is fixedly mounted at the top of the valve body component (1), and a valve body joint (18) is fixedly mounted on the outer surface of one side of the valve body component (1), valve body joint (18) outside fixed mounting has two joint bolt gaskets (19), the inside one side position of valve body spare (1) is provided with first sealing washer (13) and the sealed pad (14) of edge of a knife, first sealing washer (13) are located the sealed one side of the sealed pad (14) of edge of a knife, one side fixed mounting that the inside of valve body spare (1) is located the sealed pad (14) of edge of a knife has gland packing (15), the outside movable mounting of gland packing (15) has sealing spring (16), one side fixed mounting of gland packing (15) has second sealing washer (17), the inside below position fixed mounting of valve body spare (1) has the sealed pad (11) of drain, the inside below position screw thread that is located the sealed pad (11) of drain of valve body spare (1) installs drain end cap (12).

2. A high reliability zero leakage knife-switch solenoid valve as claimed in claim 1 wherein: the valve core component (2) comprises a movable iron core (20), a pin (21) and a gate plate (22), the movable iron core (20) is movably connected with the bottom of the gate plate (22) in an inserted mode, the pin (21) penetrates through the movable iron core (20) and the gate plate (22), and the movable iron core (20) and the gate plate (22) are located inside the valve body component (1).

3. A high reliability zero leakage knife-switch solenoid valve as claimed in claim 1 wherein: valve gap part (5) is including valve gap (23), pipe (24) and quiet iron core (25), pipe (24) fixed mounting is in the top of valve gap (23), quiet iron core (25) fixed mounting is in the top of pipe (24), valve gap (23) and valve body (9) threaded connection, pipe (24) and quiet iron core (25) are located the inside of solenoid part (7).

4. A high reliability zero leakage knife-switch solenoid valve as claimed in claim 1 wherein: and the valve body part (2) and one end of the valve body joint (18) can be detachably provided with a dust cover (10).

5. A high reliability zero leakage knife-switch solenoid valve as claimed in claim 2 wherein: the cross section of an inner hole of the valve body component (1) is phi-shaped, the aperture of a round hole is smaller than the outer diameter of the movable iron core (20), and the length and width of a strip hole of the valve body (9) are larger than the thickness and width of the flashboard (22).

6. A high reliability zero leakage knife-switch solenoid valve as claimed in claim 1 wherein: the valve body joint (18) is attached to the second sealing ring (17), and the valve body joint (18) is located at the outer side of the sealing spring (16).

7. A high reliability zero leakage knife-switch solenoid valve as claimed in claim 1 wherein: the upper end of the valve core reset spring (3) is connected with the valve cover component (5), the valve body (9) is located at the outer side of the valve core component (2), and a small through hole is formed in the bottom of the valve body (9).