CN2549441Y

CN2549441Y - Intelligent water gauge

Info

Publication number: CN2549441Y
Application number: CN 02239556
Authority: CN
Inventors: 罗伟
Original assignee: Individual
Current assignee: Individual
Priority date: 2002-06-25
Filing date: 2002-06-25
Publication date: 2003-05-07
Anticipated expiration: 2012-06-25

Abstract

The utility model discloses an intelligent water gauge the valve of which can be opened and closed flexibly through small rotation moment. The utility model comprises a water gauge and an intelligent counting, displaying and controlling device. The shell is provided with a valve seat. The valve seat is internally provided with an upper ceramic valve plate and a lower ceramic valve plate which are rotatablely assorted with each other. The upper ceramic valve plate is connected with a valve rod coaxially. The valve rod is sealedly and rotatablely assorted with the valve seat. The external end of the valve rod is connected with a transmission mechanism which is supplied with power by a motor. The transmission mechanism is provided with a switch which is connected with the controlling device and the motor. The utility model has the advantages of flexible and convenient for rotating the valve plate, and avoiding rotating the valve and the moment.

Description

Intellectual water meter

Technical field

The utility model discloses a kind of water metering device, specifically is the intellectual water meter of being convenient to be installed in intelligent managements such as indoor or outdoor effective implementation cost.

Prior art

At being installed in the shortcoming that error in dipping is big, way of paying fall behind and the registration water consumption bothers that indoor old-fashioned water meter exists, the existing in recent years trend that is replaced by the IC intellectual water meter, this class water meter mainly is that intelligent counting, demonstration, control device are set on water meter, the user at first buys IC-card prepayment water rate, by radio-frequency card or plug-in card mode water.Be equipped with a switch valve member by control device control in this class water meter, this switch valve member roughly has two kinds of citation forms, first solenoid valve, and it two is ball valves.

The switch of the former valve, rely on the pressure of tap water to finish to a certain extent, because city tap-water pipe network water pressure poor stability, thereby influenced the switch of valve, overflow aperture on the valve film has played decisive role in the switch of valve, again because the water quality and the aqueduct of domestic tap water are not under the good situation, aperture very easily is blocked, cause switch motion malfunctioning, even if latch up phenomenon does not appear in aperture, as time passes, the unaccelerated aging of rubber valve film, the reliably significantly reduction of valve switch.Chinese patent CN2388656Y discloses a kind of intellectual water meter that comprises solenoid valve.

Chinese patent CN2349544Y belongs to the structure of ball valve, it has two big defectives, rush down leakage for fear of valve on the one hand, spheroid in the middle of the valve pocket is embraced tightly by both sides plastic seal material, ball valve ground rotating torque just increases greatly like this, in order to open, valve-off certainly will be selected heavy-duty motor for use, the lithium battery capacity that uses in the intellectual water meter is certain on the other hand, this has a strong impact on the serviceable life of battery undoubtedly, while is along with the long-term use of valve, incrustation scale in the valve, impurity constantly deposits, spheroid in the valve pocket can extremely be in the same place with plastic seal material rust gradually, and valve switch is had a strong impact on, and some producer is for addressing this problem, usually adopt and regularly open, closing valve ground way so also makes the internal battery life-span in the table reduce greatly.

Technology contents

The purpose of this utility model provides a kind of intellectual water meter that less rotating torque can realize valve open and close action flexibly that is suitable for.

For achieving the above object, the technical solution adopted in the utility model is: intellectual water meter, it comprises water meter case, the intelligence counting, show, control device, it is characterized in that: housing is provided with valve seat, the tubulose position of valve seat is arranged in the water stream channel of enclosure interior, valve seat is provided with and advancing that the water stream channel of enclosure interior communicates, go out blasthole, on being provided with in the valve seat at this position each other that rotation cooperates, following ceramic valve plate, on, following ceramic valve plate can be in and be communicated with or advance by above-mentioned, go out two kinds of location statuss of blasthole, last ceramic valve plate links to each other with valve rod is coaxial, valve rod and valve seat constitute enclosure-type and are rotatably assorted, the outer end of valve rod links to each other with the gear train that is positioned at the valve seat outside, and described gear train provides power by motor, and described gear train is provided with the switch that links to each other with motor with control device.

As shown from the above technical solution, motor receives microprocessor instruction in the control device, by the gear that is engaged with each other in the speed reduction unit drive gear train, the last ceramic valve plate that drive links to each other with valve rod is with respect to ceramic valve plate rotation down, turn to the appropriate location, the signal that puts in place when switch receives spacing member on the gear, and be sent to microprocessor, microprocessor sends instruction makes motor stop action, thereby realize the switch motion of valve, owing to adopted the member of ceramic valve plate, made that the rotation of valve block is flexible, reduced the rotating torque of rotating valve block, it is reliable that the utility model also has sealing, the advantage that wearing quality is good.

Summary of drawings

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

Fig. 2 is the A-A cut-open view among Fig. 1;

Fig. 3 is the B-B cut-open view among Fig. 1;

Fig. 4 is the local enlarged diagram among Fig. 1;

Fig. 5 is a planar structure synoptic diagram of going up ceramic valve plate;

Fig. 6 is the rear view of Fig. 5;

Fig. 7 is the A-A cut-open view among Fig. 5;

Fig. 8 is the planar structure synoptic diagram of following ceramic valve plate;

Fig. 9 is the A-A cut-open view among Fig. 8;

Figure 10 is the B-B cut-open view among Fig. 8.

Embodiment

Intellectual water meter comprises water meter case 10, and intelligent counting, demonstration, control device can be with reference to prior art.As Fig. 1,2,3,4, housing 10 is provided with valve seat 20, the tubulose position of valve seat 20 is arranged in the water stream channel of housing 10 inside, valve seat 20 is provided with and advancing that the water stream channel of housing 10 inside communicates, go out

blasthole

21,22, on being provided with in the valve seat 20 at this position each other that rotation cooperates, following ceramic valve plate 80,90, on, following ceramic valve plate 80,90 can be in and are communicated with or advance by above-mentioned, go out blasthole 21, two kinds of location statuss of 22, last ceramic valve plate 80 and 70 coaxial linking to each other of valve rod, can provide rotating torque to drive by valve rod 70 like this and go up ceramic valve plate 80 rotations, valve rod 70 constitutes enclosure-type with valve seat 20 and is rotatably assorted, this is in order to satisfy the sealing property of water meter, the outer end of valve rod 70 links to each other with the gear train that is positioned at valve seat 20 outsides, described gear train provides power by motor 30, and described gear train is provided with the switch 60 that links to each other with motor 30 with control device.

As Fig. 5,6, shown in 7, the described ceramic valve plate 80 of going up is centrosymmetric 1/4th fan-shaped, the edge of its one side is arranged with two recesses 81,82 with valve rod 70 on the dog 71 that is provided with inlay and cooperate, another side all round is provided with the boss 83 that seals along it, the following ceramic valve plate 90 that is mated is for discoideus, be symmetrical arranged two 1/4th fan-shaped perforation positions 91 on it, all arounds at this position be provided with boss 83 with last ceramic valve plate 80 constitute be sealed and matched boss 92, boss 83 and boss 92 constitute after grinding and are sealed and matched reliably, respective outer side edges by above-mentioned boss shape can farthest reduce the contact area that is sealed and matched, and opens thereby be implemented in to reduce under the prerequisite of guaranteeing sealing property, the rotating torque of closing valve.Last ceramic valve plate 80 turns to 91 positions, perforation position with following ceramic valve plate 90, both are fully at once, water-flowing path in the water meter is blocked, be that valve is in closed condition, when last ceramic valve plate 80 turns to perforation position 91 with following ceramic valve plate 90 when misplacing, just present water-flowing path between the two, the state among Fig. 3 just belongs to this mated condition.

As Fig. 8,9,10, described all arounds of ceramic valve plate 90 down are provided with the protuberance 93 of the recess that is provided with on the inserted valve seat 20, cooperate with the embedding of valve seat 20 by this protuberance 93 and can make down ceramic valve plate 90 relative fixed, avoid it to do circumferentially to rotate, the valve block that is positioned at above-mentioned perforation position 91 sides on the following ceramic valve plate 90 all round is provided with the breach 95 of the end in this one in boss 94 places, owing to be provided with this breach, on having avoided, following ceramic valve plate 80,90 mating surface is boss 83 and boss 93 in rotation process, form local vacuum chamber between 94, just pass through boss 83 and boss 93, forming local chamber between 94 uses the mode of breach to be communicated with its peripheral environment, form isobaric environment, go up the required rotating torque of ceramic valve plate 80 thereby the energy that makes full use of tap water hydraulic has reduced to rotate widely.The another side of following ceramic valve plate 90 is gradually to the shiny surface 96 that connects position 91 transition, by the transition of shiny surface 96, current by the time flow resistance is significantly reduced.

As shown in Figure 1, described motor 30 links to each other with speed reduction unit 40, speed reduction unit 40 is fixed on the carrier base 50, carrier base 50 is arranged on the table top that is positioned at housing 10 outsides of valve seat 20, inner and the valve seat 20 of carrier base 50 between the table top of housing 10 outsides, be provided with gear 41 and the gear 42 that is engaged with each other, gear 41 links to each other with the output shaft 43 of speed reduction unit 40, gear 42 is coaxial fixing with the outside termination of valve rod 70, described switch 60 comprises the bearing 61 on the table top that is positioned at housing 10 outsides that is arranged on valve seat 20 and goes up the metal spring leaf 62 that is provided with, 63, metal spring leaf 62,63 almost parallel shapes extend on the gear 42, be symmetrical arranged four small lugs 421 on the same circumference of the close wheel rim on the gear 42, small lugs 421 is divided into four equal portions with circumference, two reeds 62,63 cooperate with projection 421 and can be in and contact with each other or separate two kinds of location statuss, and the setting that switch 60 is positioned at carrier base 50 is roughly fan-shaped indentation, there.Referring to Fig. 1,2,4, gear 41 turns to the appropriate location under the drive of motor 30, speed reduction unit 40 and gear 42, switch 60 upper reed plates 62,63 are because of being subjected to the restriction of projection 421, the state of combination or separation appears drawing close in reed 62,63, and will be in conjunction with delivering to microprocessor with the signal that separates, microprocessor sends the instruction that motor 30 rotates or stops, and motor 30 driven gears 42 revolutions move 90 ° of corners, just finish the action conversion of a Push And Release, so just finished the open and close action of valve.

Claims

1, a kind of intellectual water meter, it comprises water meter case (10), the intelligence counting, show, control device, it is characterized in that: housing (10) is provided with valve seat (20), the tubulose position of valve seat (20) is arranged in the inner water stream channel of housing (10), valve seat (20) is provided with and advancing that the water stream channel of housing (10) inside communicates, go out blasthole (21), (22), on being provided with in the valve seat at this position (20) each other that rotation cooperates, following ceramic valve plate (80), (90), on, following ceramic valve plate (80), (90) can be in and be communicated with or advance by above-mentioned, go out blasthole (21), (22) two kinds of location statuss, last ceramic valve plate (80) and coaxial linking to each other of valve rod (70), valve rod (70) constitutes enclosure-type with valve seat (20) and is rotatably assorted, the outer end of valve rod (70) gear train outside with being positioned at valve seat (20) links to each other, described gear train provides power by motor (30), and described gear train is provided with the switch (60) that links to each other with motor (30) with control device.

2, intellectual water meter according to claim 1, it is characterized in that: described upward ceramic valve plate (80) is fan-shaped for centrosymmetric 1/4th, the edge of its one side is arranged with two recesses (81), (82) inlay with the dog (71) that valve rod (70) go up to be provided with and cooperate, another side all round is provided with the boss (83) that seals along it, the following ceramic valve plate (90) that is mated is for discoideus, be symmetrical arranged two 1/4th fan-shaped perforation positions (91) on it, all arounds at this position are provided with the boss (83) of last ceramic valve plate (80) and constitute the boss (92) that is sealed and matched.

3, intellectual water meter according to claim 1 and 2, it is characterized in that: described all arounds of ceramic valve plate (90) down are provided with the protuberance (93) that inserted valve seat (20) is gone up the recess that is provided with, the valve block that is positioned at above-mentioned perforation position (91) side on the following ceramic valve plate (90) all round boss (94) locates to be provided with the breach (95) of the end in this one, and the another side of following ceramic valve plate (90) is gradually to the shiny surface (96) that connects position (91) transition.

4, intellectual water meter according to claim 3, it is characterized in that: described motor (30) links to each other with speed reduction unit (40), speed reduction unit (40) is fixed on the carrier base (50), carrier base (50) is arranged on being positioned on the outside table top of housing (10) of valve seat (20), being positioned between the outside table top of housing (10) of carrier base (50) inside and valve seat (20) is provided with gear (41) and the gear (42) that is engaged with each other, gear (41) links to each other with the output shaft (43) of speed reduction unit (40), and gear (42) is coaxial fixing with the outside termination of valve rod (70).

5, intellectual water meter according to claim 4, it is characterized in that: described switch (60) comprises the metal spring leaf (62) that is positioned at the bearing (61) on the outside table top of housing (10) and upward is provided with that is arranged on valve seat (20), (63), metal spring leaf (62), (63) the almost parallel shape extends on the gear (42), be symmetrical arranged four small lugs 421 on the same circumference of the close wheel rim on the gear 42, small lugs 421 is divided into four equal portions with circumference, two reeds (62), (63) cooperate with projection (421) and can be in and contact with each other or separate two kinds of location statuss, the setting that switch (60) is positioned at carrier base (50) is roughly fan-shaped indentation, there.