CN2405075Y

CN2405075Y - Electric motor driven and fore running type hydraulic valve

Info

Publication number: CN2405075Y
Application number: CN 99254032
Authority: CN
Inventors: 汤建平
Original assignee: Individual
Current assignee: Individual
Priority date: 1999-11-15
Filing date: 1999-11-15
Publication date: 2000-11-08
Anticipated expiration: 2009-11-15

Abstract

The utility model relates to a guide hydraulic valve driven by a motor, which is composed of a main valve and a guide valve, wherein, the main valve comprises a valve body, and a medium inlet, a medium outlet and a valve hole between the medium inlet and the medium outlet are arranged on the valve body. A support is arranged at the upper end of the valve body, a cam is freely sheathed on a central shaft of the support, and a permanent magnet is inlaid in the cam. A valve seal is arranged in an inner hole of the central shaft, the cam is connected with the support by a fixing pin, the top end of the support is provided with a transmission mechanism composed of a motor and a gear train, and the guide valve comprises a valve shuttle and a permanent magnet, wherein, the valve shuttle is arranged in an inner hole of the valve seal while the permanent magnet is inlaid in the valve shuttle. The utility model has the characteristics of simple structure, easy manufacture, no power consumption in a static state, small current in a dynamic state, low power consumption and reliable performance and is especially suitable for the occasions of low power consumption.

Description

Motor driving Pilotoperated reducing valve door

The utility model relates to a kind of energy and realizes self-sustaining motor driving Pilotoperated reducing valve door.

Normally used may command valve mainly contains following two kinds: 1, general solenoid valve, be divided into the AC and DC solenoid valve, it has two kinds of Chang Kai and normal close types, desire to make its transition status, energising just can be kept continuously, therefore, and the power consumption height, coil easily heating burns out, but especially is not suitable for containing explosive gas and the higher occasion of pressure; 2, machinery directly keeps mortor operated valve, and this valve adopts mechanical structure to keep the folding condition of valve, and its power consumption is too big, and accuracy of manufacturing is had relatively high expectations.

The purpose of this utility model is to overcome the shortcoming that prior art exists and provides that a kind of power consumption is little, easy to manufacture, the motor driving Pilotoperated reducing valve door of reliable operation.

The purpose of this utility model is achieved in that a kind of motor driving Pilotoperated reducing valve door, it is made of main valve and pilot valve two-part, main valve includes a valve body, valve body is provided with the valve opening between medium import, outlet and the import and export, it is characterized in that being equipped with above the valve body support, be set with cam on the carriage center axle, cam is embedded with permanent magnet, be inserted with fixing pin in the cam circumferential groove, the fixing pin the other end and support are fixed, and central shaft endoporus place is provided with jam pot cover and cantilever tip is equipped with the driving mechanism of being made up of motor and train; Pilot valve includes that the valve shuttle is equipped with at jam pot cover endoporus place and the valve shuttle is embedded with permanent magnet.Its working principle is: be meshed because of the gear of its gear of output end with the end cam top when driven by motor driving mechanism rotates, cam also rotates thereupon, cam is that sky is enclosed within on the central shaft of support, because of fixing pin one end and support are fixed, the other end activity is inserted in the cam circumferential groove, to produce axial motion along the carriage center axle during cam rotation like this, because cam inside is embedded with permanent magnet, when its axial motion, will drive the valve shuttle movement therewith in the pilot valve, because of permanent magnet also is housed in the valve shuttle, the axial motion of valve shuttle will realize opening of pilot valve, close, thus realize jam pot cover on, following motion reaches valve opening or closed purpose.

The utility model is to adopt pulsed drive, realizes self-sustaining by cam, the static reactive consumption, and dynamic current is little, and it is little to have power consumption, and the characteristics of reliable performance can be widely used in the line transportation occasion that medium is gas, liquid etc., are particularly useful for the low power consumption occasion.

The utility model is described in further detail below in conjunction with drawings and Examples.

Fig. 1 is a structural representation of the present utility model.

As shown in Figure 1, a kind of motor driving Pilotoperated reducing valve door, include a valve body (7), valve body (7) is provided with medium import A, outlet B, and the valve opening C between importing and exporting, support (8) is equipped with in its valve body (7) upper end, be set with cam (10) on the carriage center axle (9), it is embedded with permanent magnet (3), central shaft (9) endoporus D is equipped with jam pot cover (6) in the place, jam pot cover (6) endoporus E is equipped with valve shuttle (4) in the place, valve shuttle (4) is embedded with permanent magnet (2), is inserted with the other end in cam (10) circumferential groove and support (8) fixing pin (5) is affixed, and be equipped with by motor (1) and a on support (8) top, b, c, the driving mechanism that the d train is formed.Its working procedure is as follows: when motor (1) rotates, driving mechanism drives cam (10) and rotates, because of fixing pin (5) is arranged in the cam path, so will make axle along carriage center axle (9) when it rotates moves, valve shuttle (4) moves thereupon under the effect of magnetic force, and its inside all is embedded with permanent magnet (2).When cam (10) when moving to the top, drive valve shuttle (4) and close jam pot cover (6) top aperture, fluid flows into valve port C through import A and promotes jam pot cover (6) and move up, and enters outlet B chamber simultaneously, i.e. valve open; Motor is rotated further, cam (10) moves down under the cam curve effect, valve shuttle (4) moves down thereupon, jam pot cover (6) top aperture is opened, fluid enters valve opening C through import A and enters endoporus E chamber by jam pot cover bottom aperture again and reach jam pot cover (6) top aperture all around through valve shuttle (4) and enter endoporus D chamber and flow into the F chamber and promote jam pot cover (6) and move down, be valve closing, rotate the purpose that can reach valve switch, thereby block or connect ducted medium by the control motor.

Claims

1, a kind of motor driving Pilotoperated reducing valve door, it is made of main valve and pilot valve two-part, main valve includes a valve body (7), valve body (7) is provided with medium import A, outlet B, and the valve opening C between importing and exporting, it is characterized in that: support (8) is equipped with in valve body (7) upper end, be set with cam (10) on the carriage center axle (9), cam (10) is embedded with permanent magnet (3), central shaft (9) endoporus D is equipped with jam pot cover (6) in the place, be inserted with fixing pin (5) in cam (10) circumferential groove, fixing pin (5) the other end and support (8) are fixing, and be equipped with by motor (1) and a on support (8) top, b, c, the driving mechanism that the d train is formed; Pilot valve includes that valve shuttle (4) is equipped with at jam pot cover (6) endoporus E place and valve shuttle (4) is embedded with permanent magnet (2).