CN211059451U

CN211059451U - Magnetic coupling type pneumatic control valve

Info

Publication number: CN211059451U
Application number: CN201922138180.0U
Authority: CN
Inventors: 黄勇进
Original assignee: Shenzhen Linglong Technology Co ltd
Current assignee: Shenzhen Linglong Technology Co ltd
Priority date: 2019-12-03
Filing date: 2019-12-03
Publication date: 2020-07-21
Anticipated expiration: 2029-12-03

Abstract

The utility model discloses a magnetic coupling formula gas accuse valve, including valve body and disk seat, the valve body includes valve body and lower valve body, lower valve body is installed on the disk seat, the junction of lower valve body and disk seat is equipped with the second sealing washer, the junction of lower valve body and last valve body is equipped with the third sealing washer, form a cavity down between valve body and the last valve body, top one side of going up the valve body is equipped with an exhaust hole that switches on mutually with the cavity, be provided with the main spring in the cavity, go up the case, the main spring sets up the top at the cavity, the bottom of main spring is connected with the case, the junction of going up case and last valve body is equipped with a plurality of first sealing washers and wear ring, the bottom center of lower valve body is equipped with a fixed recess, be equipped with the case down in the fixed recess, the bottom of case is equipped with a sealed pad, the. The patent of the utility model provides a solve traditional solenoid valve and be applied to the special field scheduling problem that generates heat, solved traditional solenoid valve and can only be used for letting out the occasion that the leakage quantity requirement is not high.

Description

Magnetic coupling type pneumatic control valve

Technical Field

The utility model relates to a gas accuse valve field, concretely relates to magnetism coupled type gas accuse valve.

Background

An Electromagnetic valve (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 traditional electromagnetic valve is only suitable for common occasions and is not beneficial to use when the temperature is high and the leakage is high.

Disclosure of Invention

The utility model aims to solve the technical problem that a magnetism coupled type gas accuse valve that can solve above-mentioned problem.

The utility model discloses a realize through following technical scheme: a magnetic coupling type pneumatic control valve comprises a valve body and a valve seat, wherein the valve body comprises an upper valve body and a lower valve body, the lower valve body is arranged on the valve seat, a second sealing ring is arranged at the joint of the lower valve body and the valve seat, a third sealing ring is arranged at the joint of the lower valve body and the upper valve body, a cavity is formed between the lower valve body and the upper valve body, one side of the top of the upper valve body is provided with an exhaust hole communicated with the cavity, a main spring is arranged in the cavity, the lower valve body is provided with a cavity, the bottom of the cavity is provided with a lower valve core, the bottom of the lower valve core is provided with a sealing gasket, the bottom of the sealing gasket is in contact with the valve seat, the joint of the lower valve core and the lower valve body is provided with a spring mounting cavity, and the spring mounting cavity is internally provided with a plurality of opening springs; an outflow chamber and an inflow chamber are arranged in the valve seat, and the outflow chamber is sealed by a sealing gasket; a magnet mounting groove is formed between the upper valve core and the lower valve core, an upper valve core magnet is arranged in the magnet mounting groove, and the upper valve core magnet is in interference fit with the upper valve core.

As the preferred technical scheme, the side face of the upper valve core is provided with a plurality of sealing ring placing grooves and wear-resisting ring placing grooves, first sealing rings are arranged in the sealing ring placing grooves, and wear-resisting rings are arranged in the wear-resisting ring placing grooves.

As a preferred technical scheme, the main spring is fixed through a plurality of spring positioning pins.

Preferably, the sealing gasket is a silicone sealing gasket.

As the preferred technical scheme, one side of the joint of the upper valve body and the lower valve body is provided with a jack, and a pneumatic control air pipe connector is inserted into the jack.

The utility model has the advantages that: the utility model solves the problems that the traditional solenoid valve is applied to heating in special fields and the like, and solves the problem that the traditional solenoid valve can only be used in occasions with low leakage requirement; the utility model provides a traditional solenoid valve calorific capacity big and have little leakage scheduling problem, import gas accuse diaphragm valve is with high costs.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is an overall structure diagram of the present invention; fig. 2 is the schematic diagram of the magnetic coupling type pneumatic control valve of the present invention.

Detailed Description

All of the features disclosed in this specification, or all of the steps in any method or process so disclosed, may be combined in any combination, except combinations of features and/or steps that are mutually exclusive.

Any feature disclosed in this specification (including any accompanying claims, abstract and drawings), may be replaced by alternative features serving equivalent or similar purposes, unless expressly stated otherwise. That is, unless expressly stated otherwise, each feature is only an example of a generic series of equivalent or similar features.

In the description of the present invention, it is to be understood that the terms "one end", "the other end", "the outside", "upper", "inside", "horizontal", "coaxial", "central", "end", "length", "outer end", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, in the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

The use of terms herein such as "upper," "above," "lower," "below," and the like in describing relative spatial positions is for the purpose of facilitating description to describe one element or feature's relationship to another element or feature as illustrated in the figures. The spatially relative positional terms may be intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "below" or "beneath" other elements or features would then be oriented "above" the other elements or features. Thus, the exemplary term "below" can encompass both an orientation of above and below. The device may be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

In the present invention, unless otherwise explicitly specified or limited, the terms "set", "coupled", "connected", "penetrating", "plugging", and the like are to be understood in a broad sense, and may be, for example, fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

As shown in fig. 1 to 2, the valve comprises a valve body and a valve seat 7, the valve body comprises an upper valve body 1 and a lower valve body 7, the lower valve body is arranged on the valve seat 17, a second sealing ring 14 is arranged at the joint of the lower valve body and the valve seat 17, a third sealing ring 19 is arranged at the joint of the lower valve body 7 and the upper valve body 1, a cavity is formed between the lower valve body 7 and the upper valve body 1, one side of the top of the upper valve body is provided with an exhaust hole 8 communicated with the cavity, a main spring 3 and an upper valve core 4 are arranged in the cavity, the main spring 3 is arranged above the cavity, the bottom of the main spring 3 is connected with the upper valve core 4, a plurality of first sealing rings 11 and wear-resistant rings 10 are arranged at the joint of the upper valve core 4 and the upper valve body 1, a fixed groove is arranged at the center of the bottom of the lower valve body 7, the lower valve core 6 is arranged in, a spring installation cavity is formed at the joint of the lower valve core 6 and the lower valve body 7, and a plurality of opening springs 13 are arranged in the spring installation cavity; an outflow chamber 15 and an inflow chamber 16 are arranged in the valve seat 7, and a sealing gasket 18 seals the outflow chamber; a magnet mounting groove is formed between the upper valve core and the lower valve core, an upper valve core magnet 5 is arranged in the magnet mounting groove, and the upper valve core magnet 5 is in interference fit with the upper valve core 4.

Wherein, the side of going up valve core 4 is equipped with a plurality of sealing washer standing grooves and wear ring standing groove, is provided with first sealing washer 11 in the sealing washer standing groove, is equipped with wear ring 10 in the wear ring standing groove.

Wherein the main spring 3 is fixed by a plurality of spring positioning pins.

Wherein the seal 18 is a silicone seal.

Wherein, one side of the junction of the upper valve body 1 and the lower valve body 7 is provided with a jack, and a pneumatic control air pipe joint 12 is inserted into the jack.

The working principle is as follows: the pneumatic control valve is a Normally Closed (NC) type pneumatic control valve, gas between an outflow chamber 15 and an inflow chamber 16 is not communicated by default, and is sealed by a silica gel sealing gasket 18.

The valve body opening process: the interference fit between the upper valve core magnet 5 and the upper valve core 4 can be understood as that the upper valve core 4 moves integrally along with the upper valve core by connecting and fixing compressed gas through the pneumatic control air pipe joint 12 to push the upper valve core 4 to move upwards (the default state of the upper valve core 4 is that the upper valve core 4 is pressed downwards by the elastic force of the main spring 3 and is tangent to the lower valve body 7), and the acting force of the upper valve core 5 to the magnet in the lower valve core 6 after leaving the lower valve body 7 is reduced, and the lower valve core 6 moves upwards under the action of the force of the opening spring 13 under the condition that the magnetic force and the gravity of the lower valve core 6 are smaller than the elastic.

The fourth sealing ring 9 and the first sealing ring play a double sealing role for sealing between the opening force acting chamber and the main spring movement chamber. The wear-resisting ring 10 plays a role in prolonging the service life of the valve body and improving the smooth operation stability of the valve body. The second sealing ring 14 is used for sealing the lower valve body 7 and the valve seat 17, and the third sealing ring 19 is used for sealing the upper valve body and the lower valve body.

The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that are not thought of through the creative work should be covered within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the protection scope defined by the claims.

Claims

1. A magnetic coupling formula gas accuse valve which characterized in that: comprises a valve body and a valve seat, wherein the valve body comprises an upper valve body and a lower valve body, the lower valve body is arranged on the valve seat, a second sealing ring is arranged at the joint of the lower valve body and the valve seat, a third sealing ring is arranged at the joint of the lower valve body and the upper valve body, a cavity is formed between the lower valve body and the upper valve body, one side of the top of the upper valve body is provided with an exhaust hole communicated with the cavity, a main spring is arranged in the cavity, the lower valve body is provided with a cavity, the bottom of the cavity is provided with a lower valve core, the bottom of the lower valve core is provided with a sealing gasket, the bottom of the sealing gasket is in contact with the valve seat, the joint of the lower valve core and the lower valve body is provided with a spring mounting cavity, and the spring mounting cavity is internally provided with a plurality of opening springs; an outflow chamber and an inflow chamber are arranged in the valve seat, and the outflow chamber is sealed by a sealing gasket; a magnet mounting groove is formed between the upper valve core and the lower valve core, an upper valve core magnet is arranged in the magnet mounting groove, and the upper valve core magnet is in interference fit with the upper valve core.

2. The magnetically-coupled, pneumatically-controlled valve of claim 1, wherein; the side of going up the case is equipped with a plurality of sealing washer standing grooves and wear ring standing groove, is provided with first sealing washer in the sealing washer standing groove, is equipped with wear ring in the wear ring standing groove.

3. The magnetically-coupled pneumatic control valve of claim 1, wherein: the main spring is fixed by a plurality of spring positioning pins.

4. The magnetically-coupled pneumatic control valve of claim 1, wherein: the sealing gasket is a silica gel sealing gasket.

5. The magnetically-coupled pneumatic control valve of claim 1, wherein: one side of the joint of the upper valve body and the lower valve body is provided with a jack, and a pneumatic control air pipe connector is inserted into the jack.