CN210830495U

CN210830495U - High-pressure-resistance leakage-proof two-way electromagnetic valve

Info

Publication number: CN210830495U
Application number: CN201921702917.0U
Authority: CN
Inventors: 蒋晓军; 周艳阳
Original assignee: Wuxi Juxin Fluid Technology Co Ltd
Current assignee: Wuxi Juxin Fluid Technology Co Ltd
Priority date: 2019-10-12
Filing date: 2019-10-12
Publication date: 2020-06-23
Anticipated expiration: 2029-10-12

Abstract

The utility model belongs to the technical field of the pump valve, especially, for a two-way solenoid valve is prevented leaking by high resistance to pressure, including the valve body, through screw fixed mounting in the valve gap on this valve body top, run through the valve gap and with its sliding fit's movable iron core and be used for driving the actuating mechanism that the movable iron core goes up and down, the front end of valve body is equipped with the import, the inside of valve body is equipped with the first interface channel who sets up with the import intercommunication, the rear end of valve body is equipped with the export, the inside of valve body is equipped with the second interface channel who sets up with the export intercommunication, the inside of valve body corresponds under the movable iron core position and is equipped with the intercommunication mouth. The utility model discloses be shallow bowl type structure with the design of the piston awl of case, cooperate corresponding awl seat to use to make sealed face bigger, effectively improve the resistance to pressure of valve, cancelled the use of sealing washer simultaneously, avoid causing the sealing washer wearing and tearing under having the high temperature or the corrosive media medium condition, guaranteed the leakproofness of valve body, effectively prevent that the valve body from revealing.

Description

High-pressure-resistance leakage-proof two-way electromagnetic valve

Technical Field

The utility model relates to a pump valve technical field specifically is a two-way solenoid valve is prevented leaking by high resistance to pressure.

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 existing two-way electromagnetic valve is widely applied, but the structure is complex, the manufacturing cost is high, the abrasion of the sealing ring is easily caused under the condition of high temperature or corrosive media due to the use of the sealing ring, the sealing is affected, the sealing surface of the valve core is small, the pressure resistance is low, and the leakage problem is easily caused.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides a two-way solenoid valve is prevented leaking by high resistance to pressure has solved current two-way solenoid valve and has used extensively, but its structure is comparatively complicated, and manufacturing cost is high, because the use of sealing washer easily causes the sealing washer wearing and tearing under having the high temperature or the corrosive media medium condition, and the influence is sealed, and the sealed face of case is little, and the resistance to pressure is lower, easily causes the problem of revealing the problem.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: a high pressure resistance leakage-proof two-way electromagnetic valve comprises a valve body, a valve cover fixedly arranged at the top end of the valve body through a screw, a movable iron core penetrating through the valve cover and in sliding fit with the valve cover, and a driving mechanism for driving the movable iron core to ascend and descend, wherein an inlet is formed in the front end of the valve body, a first connecting channel communicated with the inlet is formed in the valve body, an outlet is formed in the rear end of the valve body, a second connecting channel communicated with the outlet is formed in the valve body, a communicating port is formed in the valve body and corresponds to the position under the movable iron core, the communicating port is communicated with the second connecting channel and the first connecting channel from top to bottom, a cone seat is embedded in the communicating port, a valve core is arranged at the bottom end of the movable iron core and consists of a push rod and a piston cone, the piston cone is of a shallow bowl-shaped structure, and the movable iron core is, the piston cone is matched with the cone seat.

As a preferred technical scheme of the utility model, actuating mechanism includes casing, solenoid, spring and armature, and the armature passes through spring mounting in the inner chamber middle part of casing, and solenoid sets up in the outer peripheral position of armature.

As an optimal technical scheme of the utility model, valve body and case all adopt fluoroplastics to make.

As a preferred technical scheme of the utility model, be equipped with the arc surface with the bottom cambered surface looks adaptation of piston awl in the awl seat, be equipped with the through-hole of intercommunication second linkage channel and first linkage channel from top to bottom on the bottom intermediate position of arc surface.

(III) advantageous effects

Compared with the prior art, the utility model provides a two-way solenoid valve is prevented leaking by high resistance to pressure possesses following beneficial effect:

this two-way solenoid valve is prevented leaking by high resistance to pressure designs the piston awl of case for shallow bowl type structure, and the corresponding awl seat of cooperation is used and is made sealed face bigger, effectively improves the resistance to pressure of valve, has cancelled the use of sealing washer simultaneously, avoids causing the sealing washer wearing and tearing under having the high temperature or the corrosive media medium condition, has guaranteed the leakproofness of valve body, effectively prevents that the valve body from revealing.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is the internal structure schematic diagram of the middle valve body of the present invention.

In the figure: 100. a valve body; 101. an inlet; 102. a first connecting channel; 103. an outlet; 104. a second connecting channel; 200. a valve cover; 300. a movable iron core; 400. a drive mechanism; 500. a screw; 600. a communication port; 700. a conical seat; 800. a valve core; 801. a push rod; 802. and (4) a piston cone.

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.

Examples

Referring to fig. 1-2, the present invention provides the following technical solutions: a high pressure resistance leakage-proof two-way electromagnetic valve comprises a valve body 100, a valve cover 200 fixedly installed at the top end of the valve body 100 through a screw 500, a movable iron core 300 penetrating through the valve cover 200 and in sliding fit with the valve cover 200, and a driving mechanism 400 for driving the movable iron core 300 to ascend and descend, wherein an inlet 101 is arranged at the front end of the valve body 100, a first connecting channel 102 communicated with the inlet 101 is arranged inside the valve body 100, an outlet 103 is arranged at the rear end of the valve body 100, a second connecting channel 104 communicated with the outlet 103 is arranged inside the valve body 100, a communicating port 600 is arranged inside the valve body 100 and corresponds to the position under the movable iron core 300, the communicating port 600 is communicated with the second connecting channel 104 and the first connecting channel 102 from top to bottom, a conical seat 700 is embedded inside the communicating port 600, a valve core 800 is arranged at the bottom end of the movable iron core 300, the valve core 800 is composed of a push rod 801 and a piston cone 802, the piston cone 802 is of a shallow, the piston cone 802 fits into the cone seat 700.

Specifically, the driving mechanism 400 includes a housing, an electromagnetic coil, a spring, and an armature, the armature is mounted in the middle of an inner cavity of the housing through the spring, and the electromagnetic coil is disposed at an outer peripheral position of the armature.

In this embodiment, when the power is turned on, the electromagnetic coil generates electromagnetic force to lift the armature, so as to drive the movable iron core 300 and the valve core 800 at the end portion thereof to rise, and the valve is opened, at this time, the spring is in a compressed state; when the power is off, the electromagnetic force in the electromagnetic coil disappears, the electric driver does not receive the magnetic force but receives the thrust of the spring, the spring resets and pushes the armature, the movable iron core 300 and the valve core 800 at the end part of the movable iron core are driven to be pressed on the conical seat 700, and the valve is closed.

Specifically, the valve body 100 and the valve core 800 are both made of fluoroplastic.

In this embodiment, the valve body 100 and the valve core 800 are made of fluoroplastic, so that the solenoid valve has good corrosion resistance and high temperature resistance.

Specifically, an arc surface matched with the bottom arc surface of the piston cone 802 is arranged in the cone seat 700, and a through hole for communicating the second connecting channel 104 and the first connecting channel 102 up and down is arranged in the middle of the bottom of the arc surface.

In this embodiment, the second connection channel 104 and the first connection channel 102 are communicated and closed by the cooperation of the piston cone 802 and the cone seat 700, so as to open and close the valve, that is, when the piston cone 802 is pressed against the cone seat 700, the valve is closed, and when the piston cone 802 contracts and is far away from the cone seat 700, the valve is opened.

The utility model discloses a theory of operation and use flow: in the utility model, the valve body 100 and the valve core 800 are made of special fluoroplastics, so that the electromagnetic valve has good corrosion resistance and high temperature resistance, and the valve core 800 is designed into a shallow bowl, so that the sealing surface is larger, and the pressure resistance of the valve is effectively improved; the use of a sealing ring is eliminated, so that the sealing ring is prevented from being abraded under the condition of high temperature or corrosive media, and the sealing of the valve body 100 is prevented from being influenced; when the electromagnetic valve works, the electromagnetic coil is electrified to generate electromagnetic force to lift the armature, so that the movable iron core 300 and the valve core 800 at the end part of the movable iron core are driven to ascend, the piston cone 802 of the valve core 800 is separated from the cone seat 700, the valve is opened, and at the moment, the spring is in a compressed state; when the power is off, the electromagnetic force in the electromagnetic coil disappears, the electric driver does not receive the magnetic force but receives the thrust of the spring, the spring resets and pushes the armature, the movable iron core 300 and the valve core 800 at the end part of the movable iron core are driven to be pressed on the conical seat 700, and the valve is closed.

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 may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a two solenoid valve that lead to is prevented leaking by high withstand voltage nature, includes valve body (100), through valve gap (200) of screw (500) fixed mounting in this valve body (100) top, run through valve gap (200) and with its sliding fit's movable iron core (300) and be used for driving actuating iron core (300) actuating mechanism (400) that goes up and down which characterized in that: the front end of the valve body (100) is provided with an inlet (101), a first connecting channel (102) communicated with the inlet (101) is arranged in the valve body (100), an outlet (103) is arranged at the rear end of the valve body (100), a second connecting channel (104) communicated with the outlet (103) is arranged in the valve body (100), a communicating port (600) is arranged in the valve body (100) and corresponds to the position under the movable iron core (300), the communicating port (600) is communicated with the second connecting channel (104) and the first connecting channel (102) up and down, a cone seat (700) is embedded in the communicating port (600), the bottom end of the movable iron core (300) is provided with a valve core (800), the valve core (800) is composed of a push rod (801) and a piston cone (802), the piston cone (802) is of a shallow bowl structure, and the movable iron core (300) is connected with the piston cone (802) through the push rod (801), the piston cone (802) is matched with the cone seat (700).

2. A high pressure resistant, leak proof two way solenoid valve as recited in claim 1, wherein: the driving mechanism (400) comprises a shell, an electromagnetic coil, a spring and an armature, wherein the armature is installed in the middle of an inner cavity of the shell through the spring, and the electromagnetic coil is arranged at the outer periphery of the armature.

3. A high pressure resistant, leak proof two way solenoid valve as recited in claim 1, wherein: the valve body (100) and the valve core (800) are both made of fluoroplastic.

4. A high pressure resistant, leak proof two way solenoid valve as recited in claim 1, wherein: an arc-shaped surface matched with the bottom arc surface of the piston cone (802) is arranged in the cone seat (700), and a through hole which is communicated with the second connecting channel (104) and the first connecting channel (102) up and down is formed in the middle of the bottom of the arc-shaped surface.