CN202614311U - Water meter filter device - Google Patents
Water meter filter device Download PDFInfo
- Publication number
- CN202614311U CN202614311U CN 201220133241 CN201220133241U CN202614311U CN 202614311 U CN202614311 U CN 202614311U CN 201220133241 CN201220133241 CN 201220133241 CN 201220133241 U CN201220133241 U CN 201220133241U CN 202614311 U CN202614311 U CN 202614311U
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- China
- Prior art keywords
- water
- water inlet
- inlet opening
- inlet holes
- water meter
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- Expired - Fee Related
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Abstract
The utility model relates to the technical field of water meters, in particular to a water meter filter device which comprises a housing. Water inlet holes are arranged on the housing. A water inlet cover is arranged at the bottom of the housing. The water inlet holes comprise upper water inlet holes and lower water inlet holes, wherein the lower water inlet holes are arranged on the water inlet cover, and the upper water inlet holes are evenly distributed on the circumferential face of the top of the housing. A locating column is arranged in the water inlet cover. A floater is arranged on the locating column in embedded and sleeved mode. The bottom of the floater is attached to the bottom face of the housing. When the water meter filter device is used, normally inlet water enters the water meter filter device through the lower water inlet holes on the water inlet cover, when a faucet is slightly turned on or phenomena of drop or leakage of a pipeline occur, water enters through the upper water inlet holes. Due to the fact that the bore diameters of the upper water inlet holes are relatively small, relatively high water pressure is produced so that the impeller can be shocked to count, and therefore the sensitivity of preventing of drop and leakage is improved, meanwhile, the water meter filter device can be assembled with a common meter shell and is high in interchangeability. The water meter filter device has the advantages of being simple in structure, reasonable in arrangement, low in manufacturing cost, and the like.
Description
Technical field
The utility model relates to the water meter technical field, particularly a kind of water meter filtration unit.
Background technology
Water meter is the higher water metering instrument of accuracy requirement; In order to ensure metering accurately, must prevent that impurity is encroached on it in the sealing, so below the water meter turbine box, water strainer is installed; Water strainer is provided with the inlet opening; Make on the one hand the water slug impeller that water meter counting foundation is provided, make again on the other hand outside impurity is blocked in the water, can not cause the water meter internal contamination is blocked.The existing water meter water strainer inlet opening that on whole faces of cylinder of case and bottom surface, all distributing, water intake velocity is very fast, directly impacts impeller and counts.Open very for a short time like tap, when only weeping occurring on the pipeline, water meter just can't be counted, and sensitivity is very low, can't antidrip.Gu how to provide a kind of highly sensitive, can problems such as water meter filtration unit equipped with common watchcase, that interchangeability is high become the focus of research in the industry.
A kind of drip-proof water strainer was once arranged, need to use little water inlet tube, be prone to block aperture during water quality inferiority, also can't be equipped with common watchcase, interchangeability is low.So be necessary existing filtration is carried out technical renovation further.
The utility model content
The purpose of the utility model is defective and the deficiency to prior art, and water meter filtration unit a kind of simple in structure, reasonable in design, easy to use is provided.
For realizing above-mentioned purpose, the technical scheme that the utility model adopts is:
The described a kind of water meter filtration unit of the utility model comprises case, and said case is provided with the inlet opening; Said case bottom is provided with into water cover, and said inlet opening is divided into inlet opening and following inlet opening, and said time inlet opening is located at on the water cover; The said inlet opening of going up is evenly distributed on the periphery at case top; Be provided with reference column in the said water inlet cover, be nested with float on the said reference column, the bottom of said float is close to and is combined on the case inner bottom surface.
Further, said water inlet cover is the hollow cone shape, and said down inlet opening is evenly distributed on the circular conical surface and bottom surface of water cover into.
Further, said upward inlet opening is a toroidal, and the said diameter of going up the inlet opening is 2～5mm.
Further, be provided with compressing tablet in the said float.
Further, said compressing tablet adopts copper material to process.
After adopting said structure, the utility model beneficial effect is: the described a kind of water meter filtration unit of the utility model comprises case; Said case is provided with the inlet opening; Said case bottom is provided with into water cover, and said inlet opening is divided into inlet opening and following inlet opening, and said time inlet opening is located at on the water cover; The said inlet opening of going up is evenly distributed on the periphery at case top; Be provided with reference column in the said water inlet cover, be nested with float on the said reference column, the bottom of said float is close to and is combined on the case inner bottom surface.When using the utility model; Normal water inlet is got into by the following inlet opening on the water inlet cover, opens very for a short time or pipeline when producing weeping like tap, and water is then got into by last inlet opening; Because the aperture of last inlet opening is less; The hydraulic pressure of generation is bigger, so just can impact the impeller rotation and produce counting, makes drip-proof sensitivity improve greatly; Simultaneously, this water treatment plant also can be equipped with common watchcase, and interchangeability is higher.The utlity model has simple in structurely, be provided with rationally, advantage such as cost of manufacture is low.
Description of drawings
Fig. 1 is the utility model sectional structure synoptic diagram;
Fig. 2 is the utility model contour structures synoptic diagram;
Description of reference numerals:
1, case; 11, water inlet cover; 12, following inlet opening; 13, go up the inlet opening; 2, float;
3, compressing tablet; 4, reference column.
Embodiment
Below in conjunction with accompanying drawing the utility model is further described.
Like Fig. 1, shown in Figure 2, the described a kind of water meter filtration unit of the utility model comprises case 1; Said case 1 is provided with the inlet opening; Said case 1 is hat, and the upper end close-fitting of case 1 is on the omoplate face of water meter turbine box, and its effect one is a water into; Can impact the impeller counting, the 2nd, can prevent effectively that impurity gets in the water meter in the sealing.
Said case 1 bottom is provided with into water cover 11; Said inlet opening is divided into inlet opening 13 and following inlet opening 12; Said down inlet opening 12 is located at on the water cover 11, and said water inlet cover 11 be the hollow cone shape, and said time inlet opening 12 is evenly distributed on the circular conical surface and bottom surface of water cover 11 into.
The said inlet opening 13 of going up is evenly distributed on the periphery at case 1 top, and corresponding inclined hole position on the water meter turbine box all can be aimed in arbitrary inlet opening 13 of going up, because the water that inclined hole gets into just in time impacts on water meter turbine, so just can make the impeller rotation produce counting.For preventing that water clock from stealing the water phenomenon, the last inlet opening 13 of the utility model is a toroidal, and the diameter of going up inlet opening 13 is between 2～5mm.
Be provided with reference column 4 in the said water inlet cover 11, these reference column 4 tops can be inserted in the aperture of impeller box bottom, make the installing and locating parts of filtration unit.Be nested with float 2 on the said reference column 4, the bottom of said float 2 is close to and is combined on case 1 inner bottom surface compressing tablet 3 that is provided with in the said float 2.In order suitably to increase float 2 weight, prevent to be floated and break away from reference column 4 by water slug, the utility model preferably copper material is made compressing tablet 3.
Principle of work
When the pipeline of tap water during at normal water supply, water can get into from last inlet opening 13 and following inlet opening 12, and the impact of water is lifted float 2, and the big water gaging inlet opening on impeller box thus gets into, and impacts impeller and produces and count.Open very for a short time or pipeline when weeping occurring when water tap, hydraulic pressure is low can't push float 2 water inlets open, and water clock water can only get into through the impeller box inclined hole from last inlet opening 13; Because of last inlet opening 13 little; The hydraulic pressure that produces is big, so can impact the impeller counting, antidrip is effective.
When filtering tap water with the utility model, can prevent effectively that not only user's water clock from stealing the water phenomenon, rationally use water resource, the effective impurity in the filtered water has prolonged serviceable life of water meter.Simultaneously, this water treatment plant also can be equipped with common watchcase, and interchangeability is higher.In addition, this is simple in structure, reasonable in design, low cost of manufacture.
The above only is the preferred embodiments of the utility model, so all equivalences of doing according to the described structure of the utility model patent claim, characteristic and principle change or modify, includes in the utility model patent claim.
Claims (5)
1. water meter filtration unit; Comprise case (1), said case (1) is provided with the inlet opening, it is characterized in that: said case (1) bottom is provided with into water cover (11); Said inlet opening is divided into inlet opening (13) and following inlet opening (12); Said down inlet opening (12) is located at on the water cover (11), and the said inlet opening (13) of going up is evenly distributed on the periphery at case (1) top, is provided with reference column (4) in the said water inlet cover (11); Be nested with float (2) on the said reference column (4), the bottom of said float (2) is close to and is combined on case (1) inner bottom surface.
2. water meter filtration unit according to claim 1 is characterized in that: said water inlet cover (11) is the hollow cone shape, and said down inlet opening (12) is evenly distributed on the circular conical surface and bottom surface of water cover (11) into.
3. water meter filtration unit according to claim 1 is characterized in that: said upward inlet opening (13) is a toroidal, and the said diameter of going up inlet opening (13) is 2～5mm.
4. water meter filtration unit according to claim 1 is characterized in that: be provided with compressing tablet (3) in the said float (2).
5. water meter filtration unit according to claim 4 is characterized in that: said compressing tablet (3) adopts copper material to process.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220133241 CN202614311U (en) | 2012-03-29 | 2012-03-29 | Water meter filter device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220133241 CN202614311U (en) | 2012-03-29 | 2012-03-29 | Water meter filter device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202614311U true CN202614311U (en) | 2012-12-19 |
Family
ID=47348001
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220133241 Expired - Fee Related CN202614311U (en) | 2012-03-29 | 2012-03-29 | Water meter filter device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202614311U (en) |
-
2012
- 2012-03-29 CN CN 201220133241 patent/CN202614311U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121219 Termination date: 20130329 |