CN204346519U - Formula of warning oneself water meter - Google Patents
Formula of warning oneself water meter Download PDFInfo
- Publication number
- CN204346519U CN204346519U CN201520025870.4U CN201520025870U CN204346519U CN 204346519 U CN204346519 U CN 204346519U CN 201520025870 U CN201520025870 U CN 201520025870U CN 204346519 U CN204346519 U CN 204346519U
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- CN
- China
- Prior art keywords
- dividing plate
- watchcase
- valve
- water
- valve rod
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses one to warn oneself formula water meter, comprise watchcase and be located at the dividing plate in watchcase, the inner chamber of watchcase is divided into intake antrum and water chamber by dividing plate, watchcase is connected with measuring apparatus, one end of measuring apparatus is arranged with filter mantle, filter mantle to be embedded on dividing plate and on the mounting hole coordinated with it, the other end of measuring apparatus passes outside watchcase, dividing plate is also provided with emergent hole, emergent hole is connected with emergency valve, emergency valve is provided with the valve plug matched with emergent hole shape, the two ends of valve plug are connected with back-up ring and valve rod, the other end of valve rod is connected with pressure disc, return unit is provided with between pressure disc and dividing plate, the side of dividing plate relative pressure dish is provided with water proof type limit switch, water proof type limit switch is in series with hummer, known, when being arranged on the filter mantle in water meter and being plugged, emergency valve in watchcase will be washed open by pressure, thus water can flow out after emergent hole flows into water chamber, and can give the alarm, remind the problem that people's filter mantle is plugged.
Description
Technical field
The utility model relates to a kind of flow measurement, and more particularly, it relates to a kind of when water meter is plugged, can also meet an urgent need water flowing and the water meter that can give the alarm.
Background technology
Water meter is a kind of common discharge metering outfit, and its principle of work is, when water enters impeller box by water meter housing, impacts impeller, makes impeller produce driving moment, and when the driving moment of impeller is greater than the moment of resistance of impeller, impeller starts to rotate.When flow one timing, driving moment and moment of resistance balance, impeller remains a constant speed rotation.Flow and the integrated flux of aqueous fluid in metering conduit is come by the rotational speed of perception impeller in current.
Stopped by impurity to prevent impeller; usual meeting is a filter mantle on impeller outer face shield; but be also due to this filter mantle; can be blocked by incrustation scale after prolonged; thus make current cannot flow through water meter normally; unavoidably under the scene of some must cut off the water with water or midway more awkward (having a bath), the blocking current due to water meter inner filtration cover are truncated and can produce danger or trouble.
Utility model content
For the deficiency that prior art exists, the purpose of this utility model is to provide one to warn oneself formula water meter, by this formula water meter of warning oneself, when being arranged on the filter mantle in water meter and being plugged, current can be flowed out to water delivering orifice by escape truck, and because now not counting incited somebody to action by water meter, can give the alarm and remind people.
For achieving the above object, the utility model provides following technical scheme: one is warned oneself formula water meter, comprise watchcase and be located at the dividing plate in watchcase, the inner chamber of watchcase is divided into intake antrum and water chamber by described dividing plate, described watchcase is connected with measuring apparatus, one end of described measuring apparatus is arranged with filter mantle, described filter mantle to be embedded on dividing plate and on the mounting hole coordinated with it, the other end of described measuring apparatus passes outside watchcase, described dividing plate is also provided with emergent hole, described emergent hole is connected with emergency valve, described emergency valve is provided with the valve plug matched with emergent hole shape, the two ends of described valve plug are connected with back-up ring and valve rod, the other end of described valve rod is connected with pressure disc, described back-up ring is placed in water chamber and its diameter is greater than the diameter of valve plug, described valve rod is placed in intake antrum and its diameter is less than the diameter of valve plug, the length of described valve rod is longer than the length of valve plug, return unit is provided with between described pressure disc and dividing plate, the side of described dividing plate relative pressure dish is provided with water proof type limit switch, described water proof type limit switch is in series with hummer.
Preferably, the length of valve rod is set to the twice of valve plug length, and TZ-3110 elected as by water proof type limit switch, and YMD12095 elected as by hummer, and hummer is arranged on the outside of watchcase.
The utility model is set to further: described return unit is spring, and the two ends of described spring are connected with dividing plate and pressure disc respectively.
The utility model is set to further: described pressure disc and valve rod removably connect, and one end of described valve rod relative pressure dish is provided with external thread, and described pressure disc is provided with the threaded hole matched with described external thread.
By adopting technique scheme, emergency valve can be taken apart, easy disassembly; And the pressure disc be threaded connection and valve rod, easily can change the distance between itself and dividing plate by rotational pressure dish, thus change the elastic force of the spring be arranged between pressure disc and dividing plate, and the change of the elastic force of spring, further serve again the minimum opening pressure regulating emergency valve to open, be conveniently applicable to the occasion of different hydraulic pressure.
Compared with prior art, the utility model has the advantage of: when being arranged on the filter mantle in water meter and being plugged, the emergency valve in watchcase will be washed open by pressure, thus water can flow out after emergent hole flows into water chamber, and can give the alarm, remind the problem that people's filter mantle is plugged.
Accompanying drawing explanation
Fig. 1 is that the utility model is warned oneself the filter mantle of formula water meter embodiment overall perspective when normally working;
Fig. 2 be the utility model warn oneself the filter mantle of formula water meter embodiment blocked time water meter work overall perspective;
Fig. 3 is that the utility model is warned oneself the enlarged drawing of emergency valve of formula water meter embodiment;
Fig. 4 is that the utility model is warned oneself the circuit diagram of hummer of formula water meter embodiment.
In figure, 1, watchcase; 11, dividing plate; 111, emergent hole; 2, intake antrum; 21, the first water inlet; 3, water chamber; 31, the first water delivering orifice; 4, filter mantle; 41, filter bores; 5, measuring apparatus; 51, the second water inlet; 52, the second water delivering orifice; 6, emergency valve; 61, valve plug; 62, valve rod; 63, back-up ring; 64, pressure disc; 7, water proof type limit switch; 8, power supply; 9, hummer.
Embodiment
With reference to accompanying drawing 1 to 4, the warn oneself embodiment of formula water meter of the utility model is described in further details:
The dividing plate 11 that the present embodiment comprises watchcase 1 and is located in watchcase 1, the inner chamber of watchcase 1 is divided into intake antrum 2 and water chamber 3 by described dividing plate 11, described watchcase 1 is connected with measuring apparatus 5, one end of described measuring apparatus 5 is arranged with filter mantle 4, described filter mantle 4 to be embedded on dividing plate 11 and on the mounting hole coordinated with it, the other end of described measuring apparatus 5 passes outside watchcase 1, described dividing plate 11 is also provided with emergent hole 111, described emergent hole 111 is connected with emergency valve 6, described emergency valve 6 is provided with the valve plug 61 with emergent hole 111 mating shapes, the two ends of described valve plug 61 are connected with back-up ring 63 and valve rod 62, the other end of described valve rod 62 is connected with pressure disc 64, described back-up ring 63 is placed in water chamber 3 and its diameter is greater than the diameter of valve plug 61, described valve rod 62 is placed in intake antrum 2 and its diameter is less than the diameter of valve plug 61, the length of described valve rod 62 is longer than the length of valve plug 61, return unit is provided with between described pressure disc 64 and dividing plate 11, described return unit is spring, the two ends of described spring are connected with dividing plate 11 and pressure disc 64 respectively, the side of described dividing plate 11 relative pressure dish 64 is provided with water proof type limit switch 7, described water proof type limit switch 7 is in series with hummer 9, described hummer 9 is arranged on the outside of watchcase 1, also be provided with outside watchcase 1 and provide hummer 9 and water proof type limit switch 7 voltage to obtain power supply 8, described pressure disc 64 removably connects with valve rod 62, one end of described valve rod 62 relative pressure dish 64 is provided with external thread, described pressure disc 64 is provided with the threaded hole matched with described external thread.
According to said structure and accompanying drawing, in normal operation, through the current of water meter from the first water inlet 21 of watchcase 1 to intake antrum 2, filter bores 41 again by being arranged on the filter mantle 4 on dividing plate 11 flows into the second water inlet 51 be arranged in measuring apparatus 5, current drive the impeller be arranged in measuring apparatus 5 to carry out flow counting afterwards, flow out the second water delivering orifice 52 be arranged in measuring apparatus 5 and enter water chamber 3, finally flow out the first water delivering orifice 31, when after prolonged, after filter bores 41 on filter mantle 4 is blocked by impurity or incrustation scale, current cannot flow into the second water inlet 51 by filter mantle 4, pressure in intake antrum 2 raises, pressure disc 64 will be pushed, thus emergency valve 6 is opened, current will flow directly into water chamber 3 by emergent hole 111, flow out through the first water delivering orifice 31 again, avoid and that cause unnecessary trouble blocked due to filter mantle 4, , and after pressure disc 64 is pushed, will touch with water proof type limit switch 7, thus hummer 9 will sound the alarm, remind situation about being plugged in people's water meter, be convenient to remind people to make certain maintenance activity.
Further, the diameter that back-up ring 63 on emergency valve 6 is arranged is larger than valve plug 61, and when being flicked by spring between the pressure disc 64 of emergency valve 6 and dividing plate 11, back-up ring 63 can be good at gear on dividing plate 11, prevent valve plug 61 due under the effect of spring force, and the defect departed from emergent hole 111; And the ratio valve plug 61 arranged by connecting link is long, diameter is less than valve plug 61, ensure that when emergency valve 6 is promoted by the pressure in intake antrum 2, and valve rod 62 through emergent hole 111, and can ensure that water can flow into water chamber 3 from emergent hole 111; The pressure disc 64 be threaded connection and valve rod 62, easily can change the distance between itself and dividing plate 11 by rotational pressure dish 64, thus change the elastic force of the spring be arranged between pressure disc 64 and dividing plate 11, and the change of the elastic force of spring, further serve again the minimum opening pressure regulating emergency valve 6 to open, be conveniently applicable to the occasion of different hydraulic pressure.
The above is only preferred implementation of the present utility model, protection domain of the present utility model be not only confined to above-described embodiment, and all technical schemes belonged under the utility model thinking all belong to protection domain of the present utility model.It should be pointed out that for those skilled in the art, do not departing from the some improvements and modifications under the utility model principle prerequisite, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (4)
1. a formula water meter of warning oneself, comprise watchcase and be located at the dividing plate in watchcase, the inner chamber of watchcase is divided into intake antrum and water chamber by described dividing plate, described watchcase is connected with measuring apparatus, one end of described measuring apparatus is arranged with filter mantle, described filter mantle to be embedded on dividing plate and on the mounting hole coordinated with it, the other end of described measuring apparatus passes outside watchcase, it is characterized in that, described dividing plate is also provided with emergent hole, described emergent hole is connected with emergency valve, described emergency valve is provided with the valve plug matched with emergent hole shape, the two ends of described valve plug are connected with back-up ring and valve rod, the other end of described valve rod is connected with pressure disc, described back-up ring is placed in water chamber and its diameter is greater than the diameter of valve plug, described valve rod is placed in intake antrum and its diameter is less than the diameter of valve plug, the length of described valve rod is longer than the length of valve plug, return unit is provided with between described pressure disc and dividing plate, the side of described dividing plate relative pressure dish is provided with water proof type limit switch, described water proof type limit switch is in series with hummer.
2. formula water meter of warning oneself according to claim 1, is characterized in that, described return unit is spring, and the two ends of described spring are connected with dividing plate and pressure disc respectively.
3. formula water meter of warning oneself according to claim 1, it is characterized in that, described pressure disc and valve rod removably connect.
4. formula water meter of warning oneself according to claim 3, is characterized in that, one end of described valve rod relative pressure dish is provided with external thread, and described pressure disc is provided with the threaded hole matched with described external thread.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520025870.4U CN204346519U (en) | 2015-01-15 | 2015-01-15 | Formula of warning oneself water meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520025870.4U CN204346519U (en) | 2015-01-15 | 2015-01-15 | Formula of warning oneself water meter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204346519U true CN204346519U (en) | 2015-05-20 |
Family
ID=53229781
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520025870.4U Expired - Fee Related CN204346519U (en) | 2015-01-15 | 2015-01-15 | Formula of warning oneself water meter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204346519U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106643921A (en) * | 2016-01-26 | 2017-05-10 | 宁波时代仪表有限公司 | Water control machine |
| CN106768094A (en) * | 2017-01-12 | 2017-05-31 | 泰安轻松表计有限公司 | A kind of vertical upper water inlet plastic housing water meter |
-
2015
- 2015-01-15 CN CN201520025870.4U patent/CN204346519U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106643921A (en) * | 2016-01-26 | 2017-05-10 | 宁波时代仪表有限公司 | Water control machine |
| CN106643921B (en) * | 2016-01-26 | 2024-04-19 | 宁波时代仪表有限公司 | Water control machine |
| CN106768094A (en) * | 2017-01-12 | 2017-05-31 | 泰安轻松表计有限公司 | A kind of vertical upper water inlet plastic housing water meter |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150520 Termination date: 20160115 |
|
| EXPY | Termination of patent right or utility model |