CN2906269Y - Leakproof water meter adapter - Google Patents

Abstract

The utility model relates to an anti-leakage water meter holding pipe for measuring the water leaks from the pipeline, which is arranged at any port of water meter. The utility model is characterized in that a hole is positioned inside the water meter holding pipe, a pipeline obstruct is positioned in the center of the hole for divide the hole into water inlet and outlet of a pressure-driven valves; the pressure-driven valves comprises a valve and a cover of the valve, a round flexibility up-divide tablet and the spring are positioned in the joint of the valve and the cover of the valve, a permanent magnet is arranged on the flexibility up-divide tablet, a soft pad is positioned on both the center and the end of the valve room; a cylinder-shaped spring of a valve core and a cylinder-shaped valve core which is fabricated by magnetic materials are positioned at the upper orbicular groove, a through hole is positioned on the center of the bottom of the valve room, a hole of the valve room is positioned on a side of the bottom of the valve room for communicating with the bottom of the valve room; a round cover set is positioned on the valve room, another round flexibility up-divide tablet and the spring are positioned on joint of the valve and the hole in the side of the water meter holding pipe in order to control the opening and closing of the hole.

Description

Anti-leakage water meter is taken over

Technical field.The utility model relates to a kind of water meter that is installed on water supply pipe water meter two ends to be taken over, and particularly still tiny flow quantity can be included in the anti-leakage water meter of metering reading and take over when water flow is lower than the initiating flow of measurement instrument.

Background technique.China is an a vast country with an immense population water big country, water resources shortage, water droplet leakage phenomenon is but often turned a blind eye to, stream appoint it, even have with this and escape the gager, well imagine that this certainly will cause a large amount of losses of water resources and national assets, trace it to its cause, key is that the minimum that existing water meter is constructed its initiating flow also can't be accomplished the metering of dripping.Look into rope Chinese patent library, Shang Weijian has this type of patent application.

Summary of the invention.The purpose of this utility model is the real current situation according to the tap water water, provide a kind of simple in structure, reliable operation, with low cost, be convenient to that existing tap water supply pipeline is carried out the anti-leakage water meter that low-cost leakage-proof transforms and take over, this is the component invention that the applicant proposes patent application " pressure differential valve " and water meter adapter on the same day.

The utility model is so to realize: a kind of anti-leakage water meter is taken over, be loaded on arbitrary end of water meter, it is characterized in that a side has the water meter adapter in aperture, the middle part, aperture has a pipeline to intercept water intake and the water outlet that the aperture is divided into the pressure differential valve, the pressure differential valve comprises valve body, valve gap, be positioned at circular valve pocket top, its periphery is installed on valve gap and valve body junction point, utilize diaphragm on the round and elastic of the pressure difference control valve that water clock water forms, be adhered to the lower plane of diaphragm or the cylindric permanent magnet that both make one, place in the valve pocket of top, the cylindric barrier film spring of going up of diaphragm on the rest, place valve chamber central authorities, soft gasket is equipped with in its lower end, upper circular is recessed to be equipped with cylindric valve core spring in poor, the cylindric spool made from permeability magnetic material, the valve chamber bottom center has a pilot hole of being controlled its switching by spool and soft gasket, valve chamber bottom one side has a valve chamber through hole that communicates with the valve pocket bottom, valve chamber tightens and is with a circular enclosure that keeps certain fore-and-aft distance in the effective absorption distance of permanent magnet with spool, be positioned at the valve pocket bottom, its periphery is installed on the junction point that valve body and water meter are taken over a side opening, round and elastic lower diaphragm plate sheet in order to the switching of control head piece, a cylindric lower diaphragm plate spring is housed on the lower diaphragm plate sheet, water intake one side of the pressure differential valve on the lower diaphragm plate sheet has a lower diaphragm plate aperture that communicates with the water meter adapter, and the junction point that pressure differential valve and water meter are taken over a side opening links into an integrated entity with fastening piece.

For preventing that foreign material from stopping up the lower diaphragm plate aperture, in aperture, be inserted with one and be fixed in and make one on the lower diaphragm plate spring or with it and up and down anti-blocking pin in its flexible scope in order to prevent to stop up.

The pressure differential valve is loaded on the water meter of water meter feed-water end and takes over, and the water meter that also can be loaded on the water meter waterexit end is taken over.

The all available non-corrosive material of above-mentioned spring is made.

In sum, as long as anti-leakage water meter of the present utility model is changed in normally used water meter adapter on the water supply pipe to be taken over, just can realize leakage-proof supervision metering to existing water supply pipe, thereby cause that vast tap water user generally payes attention to tap water is drip-proof, effectively takes precautions against the loss of water resources and national assets.This also is feasible in practice, because it is simple to form pressure differential valve constitution of the present utility model, moulding is small and exquisite, can make installation dimension that the water meter of the little caliber that has a large capacity and a wide range such as φ 15mm, φ 20mm, φ 25mm takes over still in the scope of standard code, this just helps the leakage-proof transformation of existing water supply pipe greatly.Certainly, the anti-leakage water meter of big caliber is taken over, and if necessary, also can provide non-standard component.

Description of drawings.Accompanying drawing is a cross-sectional schematic of the present utility model.

As shown in the figure: 1, feed-water end 2, valve body 3, lower diaphragm plate aperture 4, anti-blocking pin 5, lower diaphragm plate sheet 6, lower diaphragm plate spring 7, valve chamber through hole 8, pilot hole 9, spool 10, valve core spring 11, permanent magnet 12, valve gap 13, upward diaphragm 14, the enclosure 15, soft gasket 16, upward barrier film spring 17, waterexit end 18, water meter adapter two ends pipeline bindiny mechanism 19, water meter adapter

Mode of execution.As shown in the figure, a kind of anti-leakage water meter is taken over, be loaded on the feed-water end of water meter, it is characterized in that a side has the water meter adapter 19 in aperture, the middle part, aperture has a pipeline to intercept water intake and the water outlet that the aperture is divided into the pressure differential valve, the pressure differential valve comprises valve body 2, valve gap 12, be positioned at circular valve pocket top, its periphery is installed on valve gap 12 and valve body 2 junction points, utilize diaphragm 13 on the round and elastic of the pressure difference control valve that water clock water forms, be adhered to the round sheet permanent magnet 11 of diaphragm 13 lower planes, place in the valve pocket, the cylindric barrier film spring 16 of going up of diaphragm 13 on the rest, place valve chamber central authorities, soft gasket 15 is equipped with in its lower end, valve core spring 10 is housed in the upper circular groove, the cylindric spool made from permeability magnetic material 9, the valve chamber bottom center has a pilot hole 8 by spool 9 and soft gasket 15 its switchings of control, valve chamber bottom one side has a valve chamber through hole 7 that communicates with the valve pocket bottom, be with a circular enclosure 14 that in the effective absorption distance of permanent magnet 11, keeps certain fore-and-aft distance on the valve chamber with spool 9, be positioned at the valve pocket bottom, its periphery is installed on the junction point that valve body 2 and water meter are taken over 19 1 side openings, round and elastic lower diaphragm plate sheet 5 in order to the switching of control head piece, a cylindric lower diaphragm plate spring 6 is housed on the lower diaphragm plate sheet 5, water intake one side of the pressure differential valve on the lower diaphragm plate sheet 5 has one to take over the lower diaphragm plate aperture 3 that 19 feed-water ends communicate with water meter, and the junction point that pressure differential valve and water meter are taken over 19 1 side openings links into an integrated entity with fastening piece.

For preventing that foreign material from stopping up lower diaphragm plate aperture 3, in aperture, be inserted with one and make one and up and down anti-blocking pin 4 in its flexible scope in order to prevent to stop up with lower diaphragm plate spring 6.

When water clock appears in waterexit end 17, last diaphragm 13 lower valve cavity pressures descend along with the loss of water, beginning forms pressure difference with the hydraulic pressure of last diaphragm 13 top valve pockets, when this pressure difference reaches certain value with the continuation of water clock, just promoting to go up diaphragm 13, to overcome the resistance of going up barrier film spring 16 descending, until the permanent magnet 11 conflict enclosures 14 and upwards attract irony spool 9 and bonding resilient pad 15 on it, so open pilot hole 8, discharge water, former pressure reduction disappears.In this moment, feed-water end relies on higher intake pressure, upwards pushing tow lower diaphragm plate sheet 5 is opened head piece and is formed current greater than water meter initiating flow until advancing, water outlet two ends hydraulic pressure tends to balance, like this, the drop trace is leaked after accumulation, still included in water meter measurement, at this moment, last diaphragm 13 is under the pushing tow of last barrier film spring 16, permanent magnet 11 resets after breaking away from attraction with irony spool 9, spool 9 also drops to original position in the pushing of valve core spring 10 simultaneously, equally, lower diaphragm plate sheet 5 is also sealed head piece under the effect of lower diaphragm plate spring 6, as long as service pipe still has water clock, the utility model just will be supervised metering to it automatically just like above-mentioned, to strengthen whole people's consciousness of saving water, effectively take precautions against the loss of water resources and national assets.

Claims (2)

1, a kind of anti-leakage water meter is taken over, be loaded on arbitrary end of water meter, it is characterized in that a side has the water meter adapter [19] in aperture, the middle part, aperture has a pipeline to intercept water intake and the water outlet that the aperture is divided into the pressure differential valve, the pressure differential valve comprises valve body [2], valve gap [12], be positioned at circular valve pocket top, its periphery is installed on valve gap [12] and valve body [2] junction point, utilize diaphragm [13] on the round and elastic of the pressure difference control valve that water clock water forms, be adhered to the lower plane of diaphragm [13] or the cylindric permanent magnet [11] that both make one, place in the valve pocket of top, the cylindric barrier film spring [16] of going up of diaphragm on the rest [13], place valve chamber central authorities, soft gasket [15] is equipped with in its lower end, cylindric valve core spring [10] is housed in the upper circular groove, the cylindric spool made from permeability magnetic material [9], the valve chamber bottom center has a pilot hole [8] of being controlled its switching by spool [9] and soft gasket [15], valve chamber bottom one side has a valve chamber through hole [7] that communicates with the valve pocket bottom, valve chamber tightens and is with a circular enclosure [14] that keeps certain fore-and-aft distance in the effective absorption distance of permanent magnet [11] with spool [9], be positioned at the valve pocket bottom, its periphery is installed on the junction point of valve body [2] and water meter adapter [19] one side openings, round and elastic lower diaphragm plate sheet [5] in order to the switching of control head piece, a cylindric lower diaphragm plate spring [6] is housed on the lower diaphragm plate sheet [5], water intake one side of the pressure differential valve on the lower diaphragm plate sheet [5] has a lower diaphragm plate aperture [3] that communicates with water meter adapter [19], and the junction point that pressure differential valve and water meter are taken over [19] one side openings links into an integrated entity with fastening piece.

2, anti-leakage water meter according to claim 1 is taken over, and it is characterized in that being inserted with in the lower diaphragm plate aperture [3] of pressure differential valve one and is fixed in that lower diaphragm plate spring [6] is gone up or makes one with it and up and down anti-blocking pin [4] in order to prevent to stop up in its flexible scope.

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