CN2502085Y - Electromagnetic pre-payment watermeter control valve - Google Patents

Abstract

The utility model discloses an electromagnetic prepayment watermeter control valve, which arranges an upstairs and downstairs blocking wall on the internal wall of a valve. The blocking wall is provided with the positioning unit of a guiding rack. The positioning rack is screwed and matched with the guiding rack opened with an overflow hole. A guiding sleeve is flexibly matched with the positioning unit of the guiding rack. The concave groove of the guiding groove has the internal valve jacket with an internal magnet. The internal valve jacket is positioned at the overflow hole. The guiding sleeve is connected with a cover which has a positioned micro electric motor. The screw rod of the micro electric motor is provided with the external valve jacket with an external magnetic ring. The utility model has the advantages of smart and reliable action, fine sealing performance, long service life and feasible power supply of low power.

Description

Electric magnetic formula prepay water meter control valve

The utility model relates to a kind of valve, especially a kind of electric magnetic formula prepay water meter control valve.

Continuous in short supply and scientific and technical continuous development along with water resources, the prepayment domestic water meter has become the problem that water resources management department and user are badly in need of solving, the current control valve that is used for the prepayment domestic water meter, mostly adopt electromagnetic valve structure, promptly according to the actual number of the prepayment of being put down in writing in the control section give control valve a dozen open or close the signal that closes control valve, make the solenoid valve action and realize opening or closing the task of valve.Though the valve of this structure can be realized its task, but because the defective that it has easy misoperation and lacks working life is subjected to certain restriction in application.Also there is employing that control signal is given driving mechanism and driven the technological scheme that stopcock or flat valve action realize opening or closing flat valve or stopcock by driving mechanism, also there is the defective that needs bigger driving force and mostly need external AC power supply in the valve of this structure except that the defective that has stopcock and flat valve itself, so it not only is subjected to the restriction of power supply also to have unsafe factor.

Task of the present utility model is to provide a kind of be active in one's movements reliable, good seal performance, long service life, can uses the electric magnetic type prepay water meter control valve of small-power power.

Task of the present utility model takes following technological scheme to realize, it is at one end to be water intake, one end is that the water outlet and the other end are to be respectively arranged with barrier up and down on the inwall up and down of Three way type valve body of connection mouth, be provided with the leading truck locating piece at the upside of barrier up and down, this leading truck locating piece drops on up and down on the barrier by the valve diaphragm base that is arranged at its downside, downside spiral at the leading truck locating piece is combined with leading truck, this leading truck is provided with guide grab and places up and down between the barrier, on the leading truck locating piece of water intake one side, have the throttle orifice that can be connected with water intake and hydroecium, on leading truck and leading truck locating piece, have and to make water outlet and the hydroecium overflow hole that is connected, its upper end that is threaded on the connection mouth inwall on the valve body has the spill guide pin bushing of plush copper, this guide pin bushing is by being positioned at piston on the leading truck locating piece and leading truck locating piece sealed sliding movingly and make between leading truck locating piece and the guide pin bushing and form hydroecium, be provided with in the Baltimore groove on guide pin bushing can be free to slide therein and to be provided with its lower end of internal magnet in the top be the inner valve sleeve of conical head, the conical head of this inner valve sleeve is located on the sealing gasket that is arranged on the overflow hole upper end-hole, upside thread seal at guide pin bushing is connected with the housing that is positioned with micromachine in the top, the line shaft of micromachine by housing after drive fit have its lower end be provided with guide pin bushing on the equipped mutually screw rod of plush copper, screw-thread fit has the outer valve sleeve that is sleeved on the guide pin bushing outside on screw rod, outer valve sleeve corresponding to the internal magnet place is provided with outer magnetic ring, bottom at outer valve sleeve is provided with guide head, and this guide head places its guiding groove that only can move up and down of qualification that is arranged on the guide pin bushing.

According to technique scheme, when micromachine is received the instruction of opening valve, micromachine is done running clockwise, outer valve sleeve vertically moves upward under the drive of micro motor, the outer magnetic ring that is positioned on the outer valve sleeve moves upward synchronously, move driving on the inner valve sleeve by internal magnet under the effect of outer magnetic ring, hydroecium and overflow hole are connected, liquid in the water intake on the valve body enters in the hydroecium and by overflow hole by throttle orifice and enters back outflow in the water outlet at this moment, in this course since the cross-section area of throttle orifice less than the cross-section area of water intake, make hydraulic pressure in the water intake greater than the hydraulic pressure in the hydroecium, because the existence of this pressure difference, the active force that the liquid of water intake will make progress to leading truck locating piece one, the leading truck locating piece will make it be separated from barrier up and down to top offset under the effect of this active force, this moment the liquid in the water intake by the spatial flow between the guide grab on the leading truck to water outlet, thereby realize opening the task of valve, when micromachine is received the instruction of throttle down, micromachine will be done running counterclockwise, its working procedure is with above-mentioned opposite, thus the task of realization throttle down.

Owing to taked technique scheme, the utlity model has following evident characteristic: the one, owing to adopted the technological scheme of soft cooperation unlatching of magnetic force or throttle down, be active in one's movements reliably good seal performance, the characteristics of long service life so have; The 2nd, owing to adopted micromachine,, can use compact battery as power supply so have low in energy consumptionly as driving source; The 3rd, owing to adopted rotating moving part and the isolated technological scheme of controlled liquid, overcome of the corrosion of controlled liquid, thereby improved its working life and used sensitivity rotary part.

Can effectively realize task of the present utility model in sum.

Below will further describe as follows with reference to the accompanying drawings to the utility model.

Accompanying drawing has provided structural representation of the present utility model.

In the accompanying drawings, 1 be valve body, 2 for guide grab, 3 for the valve film, 4 for the leading truck locating piece, 5 for piston, 6 for seal ring, 7 for sealing gasket, 8 for guide pin bushing, 9 for outer magnetic ring, 10 for outer valve sleeve, 11 for screw rod, 12 for micromachine, 13 for internal magnet, 14 for inner valve sleeve, 15 for housing, 16 for hydroecium, 17 for throttle orifice, 18 for water intake, 19 for following barrier, 20 for water outlet, 21 for last barrier, 22 for guiding groove, 23 for connection mouth, 24 for screw, 25 for overflow hole, 26 for leading truck, 27 for guide head.

With reference to the accompanying drawings, it at one end is water intake 18, one end is that the water outlet 20 and the other end are to be respectively arranged with barrier 21 and 19 up and down on the inwall up and down of Three way type valve body 1 of connection mouth 23, upside in barrier 21 up and down and 19 is provided with leading truck locating piece 4, this leading truck locating piece 4 is located in up and down on the barrier 21 and 19 by the valve film 3 that is arranged at its downside, be combined with leading truck 26 at leading truck locating piece 4 downside spirals, this leading truck 26 is provided with guide grab 2 and places up and down between the barrier 21 and 19, on the leading truck locating piece 4 of water intake 18 1 sides, have the throttle orifice 17 that can be connected with water intake 18 and hydroecium 16, on leading truck 20 and leading truck locating piece 4, have the overflow hole 25 that can communicate with water outlet 20 and hydroecium 16, its upper end that is threaded on the inwall of the connection mouth on the valve body 1 23 has the guide pin bushing 8 of the Baltimore groove of plush copper, this guide pin bushing 8 by be positioned on the leading truck locating piece 4 piston 5 and leading truck locating piece 4 sealed sliding movingly, and make and form hydroecium 16 between leading truck locating piece 4 and the guide pin bushing 8, be provided with in the Baltimore groove on guide pin bushing 8 can be free to slide therein and to be provided with internal magnet 13 its lower ends in the top be the inner valve sleeve 14 of conical head, the conical head of inner valve sleeve 14 is located on the sealing gasket 7 on the upper end-hole that is arranged at overflow hole 25, upside thread seal at guide pin bushing 8 is connected with the housing 15 that is positioned with micromachine 12 in the top, the line shaft of micromachine 12 by housing 15 back drive fits have its lower end be provided with guide pin bushing 8 on the equipped mutually screw rod 11 of plush copper, screw-thread fit has the outer valve sleeve 10 that is sleeved on guide pin bushing 8 outsides on the screw rod 11, outer valve sleeve 10 corresponding to internal magnet 13 places is provided with outer magnetic ring 9, be provided with guide head 27 in the bottom of outer valve sleeve 10, this guide head 27 places its guiding groove that only can move up and down 22 of qualification that is arranged on the guide pin bushing 8.

Claims (1)

1, a kind of electric magnetic formula prepay water meter control valve, comprise valve body, leading truck, micromachine, guide pin bushing, the leading truck locating piece, piston, outer magnetic ring, outer valve sleeve, internal magnet, inner valve sleeve, it is characterized in that at one end being water intake, one end is that the water outlet and the other end are to be respectively arranged with barrier up and down on the inwall up and down of Three way type valve body of connection mouth, be provided with the leading truck locating piece at the upside of barrier up and down, this leading truck locating piece drops on up and down on the barrier by the valve diaphragm base that is arranged at its downside, downside spiral at the leading truck locating piece is combined with leading truck, this leading truck is provided with guide grab and places up and down between the barrier, on the leading truck locating piece of water intake one side, have the throttle orifice that can be connected with water intake and hydroecium, on leading truck and leading truck locating piece, have and to make water outlet and the hydroecium overflow hole that is connected, its upper end that is threaded on the connection mouth inwall on the valve body has the spill guide pin bushing of plush copper, this guide pin bushing is by being positioned at piston on the leading truck locating piece and leading truck locating piece sealed sliding movingly and make between leading truck locating piece and the guide pin bushing and form hydroecium, be provided with in the Baltimore groove on guide pin bushing can be free to slide therein and to be provided with its lower end of internal magnet in the top be the inner valve sleeve of conical head, the conical head of this inner valve sleeve is located on the sealing gasket that is arranged on the overflow hole upper end-hole, upside thread seal at guide pin bushing is connected with the housing that is positioned with micromachine in the top, the line shaft of micromachine by housing after drive fit have its lower end be provided with guide pin bushing on the equipped mutually screw rod of plush copper, screw-thread fit has the outer valve sleeve that is sleeved on the guide pin bushing outside on screw rod, outer valve sleeve corresponding to the internal magnet place is provided with outer magnetic ring, bottom at outer valve sleeve is provided with guide head, and this guide head places its guiding groove that only can move up and down of qualification that is arranged on the guide pin bushing.

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