CN215568025U

CN215568025U - Sealing structure of electromagnetic valve

Info

Publication number: CN215568025U
Application number: CN202121016728.5U
Authority: CN
Inventors: 张克海; 徐智洋
Original assignee: Zhejiang Kebo Electrical Appliances Co ltd
Current assignee: Zhejiang Kebo Electrical Appliances Co ltd
Priority date: 2021-05-12
Filing date: 2021-05-12
Publication date: 2022-01-18
Anticipated expiration: 2031-05-12

Abstract

The utility model relates to a sealing structure of an electromagnetic valve, which comprises a valve body, a sealing element and an electromagnetic assembly, wherein a flow passage is arranged in the valve body, the electromagnetic assembly controls the sealing element to lift so as to control the on-off of the flow passage, an annular partition wall which is opposite to the sealing element and the end part of which is in sealing fit with the sealing element is arranged in the valve body, the flow passage is divided into a water inlet side and a water outlet side, and the end part of the annular partition wall in sealing fit with the sealing element is provided with an annular gap which surrounds the periphery and reduces the area of the end surface. By adopting the scheme, the utility model provides the sealing structure of the electromagnetic valve, which can improve the sealing effect.

Description

Sealing structure of electromagnetic valve

Technical Field

The utility model relates to the field of electromagnetic valves, in particular to a sealing structure of an 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 control precision and flexibility can be ensured. There are many types of solenoid valves, with different solenoid valves functioning at different locations in the control system, the most common being one-way valves, safety valves, directional control valves, speed control valves, etc.

The solenoid valve includes valve body, sealing member and electromagnetism subassembly, is provided with the runner in the valve body, and electromagnetism subassembly control sealing member goes up and down in order to control the break-make of runner, is provided with in the valve body relative with the sealing member and tip and the sealed complex annular partition wall of sealing member, separates the runner for intaking side and play water side, nevertheless because the sealed cooperation area of annular partition wall and sealing member is too big, leads to sealed complex compactness limited, leads to sealed effect limited.

Disclosure of Invention

Aiming at the defects in the prior art, the utility model aims to provide a sealing structure of an electromagnetic valve, which improves the sealing effect.

In order to achieve the purpose, the utility model provides the following technical scheme: including valve body, sealing member and electromagnetism subassembly, the valve body in be provided with the runner, electromagnetism subassembly control sealing member go up and down with the break-make of control runner, the valve body in be provided with relative and separate the runner for intaking the annular partition wall of side and play water side with the sealing member, the annular partition wall and the relative terminal surface of sealing member as with the sealed complex sealed end of sealing member, its characterized in that: the sealing end is provided with an annular gap for reducing the area of the end face around the outer periphery or the inner periphery.

Through adopting above-mentioned technical scheme, add the annular vacancy, reduce sealed end face area to avoid receiving bigger, the limited problem of compactness because of sealed cooperation area, thereby improve the sealing member and receive bigger power with sealed end face contact, sealed effect is better, in addition, still play the extra effect that is difficult to glue the foreign matter after sealed cooperation area reduces, improve the practicality.

The utility model is further configured to: the section of the sealing end is semicircular.

Through adopting above-mentioned technical scheme, the sealed end cross-section of semicircle form, only the top is as the sealed contact position with the sealing member, further reduces sealed cooperation area, improves sealed effect.

The utility model is further configured to: the terminal surface of sealed end be provided with the arc arch along circumference, the protruding inboard arc transition that is provided with the inboard of extending annular partition wall of arc, the protruding outside of arc be provided with the inclined plane transition that extends to annular vacancy.

Through adopting above-mentioned technical scheme, by the inclined plane, the protruding seal structure of forming of arc and arc transition, reduce sealed cooperation area on the one hand, on the other hand makes the sealed position fall inwards, and the combination improves sealed effect.

The utility model is further configured to: the end surface of the sealing end is planar.

By adopting the technical scheme, the planar sealing end face is matched with the shape of the sealing piece to form stable sealing fit.

The utility model is further configured to: the magnetic assembly comprises a framework, a coil, an iron core and a water retaining disc, the coil is wound on the framework, a channel for the iron core to lift is arranged in the middle of the framework, a compression spring for resetting the iron core downwards is arranged in the channel, the water retaining disc lifts in the valve body and is limited to the highest lifting height by the iron core, and the sealing element is a sealing ring arranged on the water retaining disc.

By adopting the technical scheme, the coil is electrified to adsorb the iron core to generate the magnetic force for the iron core to move upwards, so that the water retaining disc can float upwards under the action of water pressure, and the flow channel is opened; the spring generates the elastic force of moving the iron core downwards after the coil is powered off, so that the water retaining disc can move downwards on the iron core to descend, the flow channel is sealed, and the function of automatically opening and closing the flow channel is realized.

Drawings

FIG. 1 is a cross-sectional view of a first embodiment of the present invention;

FIG. 2 is an enlarged view of A in FIG. 1;

FIG. 3 is a schematic structural diagram of a seal end according to a second embodiment of the present invention;

fig. 4 is a schematic structural diagram of a seal end in the third embodiment of the present invention.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

As shown in figures 1-2, the utility model discloses a sealing structure of an electromagnetic valve, comprising a valve body 1, a sealing element 2 and an electromagnetic component 3, wherein a flow passage is arranged in the valve body 1, the electromagnetic component 3 controls the lifting of the sealing element 2 to control the on-off of the flow passage, an annular partition wall 11 which is opposite to the sealing element 2 and divides the flow passage into a water inlet side 12 and a water outlet side 13 is arranged in the valve body 1, the end surface of the annular partition wall 11 opposite to the sealing element 2 is used as a sealing end 111 which is in sealing fit with the sealing element 2, the sealing end 111 is provided with an annular vacancy 112 which reduces the end surface area around the periphery or around the inner periphery, the annular vacancy 112 is additionally arranged to reduce the end surface area of the sealing end 111, thereby avoiding the problems of overlarge sealing fit area and limited tightness, further improving the larger force applied to the end surface contact of the sealing element 2 and the sealing end 111, the better sealing effect, and further achieving the additional effect of being not easy to stick foreign matters after the reduction of the sealing fit area, for improved practicality, the annular gap 112 is located at the periphery of the annular partition wall 11 in this embodiment.

The section of the sealing end 111 is semicircular, and only the top end of the semicircular section of the sealing end 111 is used as a sealing contact position with the sealing element 2, so that the sealing matching area is further reduced, and the sealing effect is improved.

The magnetic component 3 comprises a framework 31, a coil 32, an iron core 33 and a water retaining disc 34, wherein the coil 32 is wound on the framework 31, a channel 35 for the iron core 33 to lift is arranged in the middle of the framework 31, a compression spring 36 for resetting the iron core 33 downwards is arranged in the channel 35, the water retaining disc 34 lifts in the valve body 1 and is limited by the iron core 33 to have the highest lifting height, the sealing element 2 is a sealing ring arranged on the water retaining disc 34, the coil 32 is electrified to adsorb the iron core 33 to generate the magnetic force for the iron core 33 to move upwards, so that the water retaining disc 34 can float upwards under the action of water pressure, and a flow channel is opened; the spring generates the elastic force of the iron core 33 moving downwards after the coil 32 loses power, so that the water retaining disc 34 can move downwards under the action of the iron core 33 to descend, the flow channel is closed, and the function of automatically opening and closing the flow channel is realized.

As shown in fig. 3, another embodiment of the sealing end 111 'is disclosed, an end surface of the sealing end 111' is provided with an arc-shaped protrusion 113 along the circumferential direction, an arc-shaped transition 114 extending to the inner side of the annular partition wall 11 is provided at the inner side of the arc-shaped protrusion 113, an inclined plane transition 115 extending to the annular gap 112 is provided at the outer side of the arc-shaped protrusion 113, and a sealing structure composed of the inclined plane, the arc-shaped protrusion 113 and the arc-shaped transition 114 reduces the sealing matching area on one hand, and makes the sealing position tilt inwards on the other hand, thereby improving the sealing effect in combination.

As shown in fig. 4, another embodiment of the sealing end 111 "is disclosed, wherein the end surface of the sealing end 111" is planar, and the planar end surface of the sealing end 111 "is adapted to the shape of the sealing member 2 to form a stable sealing fit.

Claims

1. The utility model provides a seal structure of solenoid valve, includes valve body, sealing member and electromagnetism subassembly, the valve body in be provided with the runner, electromagnetism subassembly control sealing member go up and down with the break-make of control runner, the valve body in be provided with relative and separate the runner for the annular partition wall of intaking side and play water side with the sealing member, the annular partition wall and the relative terminal surface of sealing member as with the sealed complex sealed end of sealing member, its characterized in that: the sealing end is provided with an annular gap for reducing the area of the end face around the outer periphery or the inner periphery.

2. A seal structure of a solenoid valve according to claim 1, characterized in that: the section of the sealing end is semicircular.

3. A seal structure of a solenoid valve according to claim 1, characterized in that: the terminal surface of sealed end be provided with the arc arch along circumference, the protruding inboard arc transition that is provided with the inboard of extending annular partition wall of arc, the protruding outside of arc be provided with the inclined plane transition that extends to annular vacancy.

4. A seal structure of a solenoid valve according to claim 1, characterized in that: the end surface of the sealing end is planar.

5. A seal structure of a solenoid valve according to claim 1, characterized in that: the magnetic assembly comprises a framework, a coil, an iron core and a water retaining disc, the coil is wound on the framework, a channel for the iron core to lift is arranged in the middle of the framework, a compression spring for resetting the iron core downwards is arranged in the channel, the water retaining disc lifts in the valve body and is limited to the highest lifting height by the iron core, and the sealing element is a sealing ring arranged on the water retaining disc.