CN2176470Y

CN2176470Y - Electromagnetic regulating valve

Info

Publication number: CN2176470Y
Application number: CN 93229315
Authority: CN
Inventors: 魏经华
Original assignee: Individual
Current assignee: Individual
Priority date: 1993-09-25
Filing date: 1993-09-25
Publication date: 1994-09-07
Anticipated expiration: 2003-09-25

Abstract

The utility model discloses an electromagnetic regulating valve which mainly comprises a valve body, a valve core, and a valve cover; the upper and the lower sides of the valve cover are respectively connected with an iron core and a guiding lever; the outside of the iron core is coiled with a coil B; the upper end of the valve core is fixed with a permanent magnet A. The motion of valve core is controlled by the repelling force functions between the magnetic field of the permanent magnet A and the magnetic field which is generated by the direct current in the coil B; the degree of the repelling force changes with the degree of the current, and the moving distance of the valve core follows the change, as a result, the fluid resistance changes too, so that the flow capacity regulation can be realized. The advantages of the electromagnetic regulating valve are shown as follow: simple structure, convenient operation, sensitive control, no leakage, and relatively prolonged service life.

Description

Electromagnetic regulating valve

The utility model relates to the adjustable valve of a kind of flow, particularly a kind of solenoid valve of mobile realization Flow-rate adjustment that is used for the control valve core that utilizes electromagnetic force on the control system pipeline that is installed in.

The modulating valve that is installed at present on the control system pipeline has many kinds, and structure is generally all very complicated, and solenoid valve electricity is controlled spool, Flow-rate adjustment ability by hot-wire coil to the suction of iron core.

In view of the foregoing, the purpose of this utility model provides in magnetic field that a profit produces by direct current and the valve repulsion of permanent magnet and changes and control moving of spool in coil, and can realize the solenoid valve of Flow-rate adjustment.

The purpose of this utility model is achieved in that it comprises valve body and valve gap and two-seater spool that can shutoff valve body fluid passage, the upper and lower sides of the valve gap of being made by nonferromagnetic material is respectively equipped with iron core and makes the guide rod that is slidingly matched with 3 tape guide holes of permanent magnet, spool top is fixed with permanent magnet 3, and the iron core outside is wound with coil 6.Pressure effect lower valve core at liquid when being provided with electric current in the coil is opened, when surpassing setting value, flow in coil 6, leads to direct current and permanent magnet 3 generation repulsion, the big I of electric current changes the size of repulsion, repulsion during greater than pressure spool move down the resistance augmented flow and reduce, flow reduces electric current during less than setting value, repulsion reduces spool and moves up, fluid resistance reduces flow and increases, in the control down-off all-the-time stable of automatic control device at the setting value place, flow can change with the variation of setting value, has played the effect of electromagnetism adjusting flow.

The utility model has the advantages that: utilize the repulsion effect of permanent magnet and electromagnetic field, the change by electric current makes the repulsion spool that changes move variation, and realizes the adjusting of flow with this, and is simple in structure easy to operate, do not have and leaks, and prolong working life relatively.

Below in conjunction with accompanying drawing the utility model is explained.

Accompanying drawing is a structural representation of the present utility model.

By accompanying drawing as can be known, the utility model mainly comprises valve body 2, valve gap 4, spool 1 and permanent magnet 3, coil 6.Valve gap 4 is made by copper, aluminium, plastics, the guide rod 8 that is fixed with iron core 5 up and down respectively and is slidingly matched with 3 tape guide holes works of permanent magnet, permanent magnet 3 is connected with spool 1 usefulness screw 9, coil 6 is on iron core 5, sequence number 7 in the accompanying drawing is seal rings of valve gap and valve body connecting part, sequence number 10 is to make the axle sleeve be slidingly matched with the spool lower end, and sequence number 11 is end caps 13 and the seal ring of valve body connecting part, and sequence number 12 is fixing screws of end cap.

Claims

1, a kind of solenoid valve, it comprises valve body, valve gap and spool, it is characterized in that the upper and lower sides of the valve gap made by nonferromagnetic material is respectively equipped with iron core and guide rod, and the spool upper end is fixed with permanent magnet (3), and the iron core outside is wound with coil (6).