CN202158881U - Measuring box of piston volume type water meter - Google Patents
Measuring box of piston volume type water meter Download PDFInfo
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- CN202158881U CN202158881U CN2011202518835U CN201120251883U CN202158881U CN 202158881 U CN202158881 U CN 202158881U CN 2011202518835 U CN2011202518835 U CN 2011202518835U CN 201120251883 U CN201120251883 U CN 201120251883U CN 202158881 U CN202158881 U CN 202158881U
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- metering
- lower house
- piston
- upper shell
- water meter
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Abstract
The utility model relates to a water meter measuring mechanism, in particular to a measuring box of a piston volume type water meter, which is designed to solve the technical problem that a measuring structure and a measuring box structure of products in the same category are poor in design. The water meter with the measuring box comprises an upper casing, a lower casing, the measuring mechanism, a sealing counter and a clamping device assembly. The measuring box is characterized in that a gap is arranged between the outer diameter of the measuring mechanism and the inner diameter of the lower casing, a check valve assembly is arranged at a water inlet of the inner diameter of the lower casing, the check valve assembly is connected with a measuring chamber insert of the measuring mechanism, and a water outlet is arranged on the upper casing. A protruding bottleneck opening is arranged at the bottom of the lower casing, the bottleneck opening at the bottom of the lower casing is a water inlet, and a check valve assembly is arranged at a bottleneck opening at the top of the lower casing. A water inlet hole and a filtering mesh are arranged at the bottom of the measuring mechanism, and a water outlet hole communicated with the upper casing is arranged at the top of the measuring mechanism. The water meter measuring mechanism is reasonable in structural design, high in measuring accuracy, good in filtering effect, suitable for being assembled in a casing of the piston volume type water meter and suitable for structural improvement of like products.
Description
Technical field
The utility model relates to water meter measurement mechanism, is a kind of piston volumetric water meter metering box.
Background technology
Water meter generally is meant the instrument of measurement, accumulative total Fluid Volume, can be divided into velocity type water meter and volumetric water meter according to the measuring principle difference.Wherein, volumetric water meter generally is made up of watchcase, watch glasses, table lid, table body, and the table body generally is made up of watchcase, metering mechanism, counter, binding clasp.Volumetric water meter is owing to reasons such as its mounting means is free, measuring accuracy is higher, clear reading, stable performances, and by the application widely of people institute, it is the total amount measurement of positive displacement medium particularly.Like the ZL patent No. 01105259.7 that discloses in the Chinese patent document, Granted publication CN1126942C, November 5 2003 Granted publication day, utility model title " displacement water meter with rotating piston "; This water meter comprises housing, rotary-piston volumetric metering mechanism, character wheel formula counter, it is characterized in that between said housing and rotary-piston volumetric water meter metering mechanism, being provided with one can change flow direction mechanism.But metering mechanism's filter effect of above-mentioned water meter is relatively poor, and volume is more not obvious through axial water inlet water inlet metering effect, and metering precision is relatively poor.
Summary of the invention
For overcoming the deficiency of above-mentioned existence; The utility model is intended to this area a kind of piston volumetric water meter metering box is provided; Make it solve metering mechanism and the not good enough technical matters of metering box structural design in the existing like product, its objective is and realize through following technical scheme.
A kind of piston volumetric water meter metering box; The housing that the upper shell of this metering box and lower house connect and compose; Upper shell is provided with the table lid; Metering mechanism is arranged in the lower house, and metering mechanism is connected with the interior binding clasp assembly of upper shell, and the worm screw of binding clasp assembly internal tooth train is connected with the interior sealed-off counter of upper shell; Upper shell and lower house make through the measuring room O-ring seal and keep sealing in the housing, and make binding clasp assembly and sealed-off counter in the upper shell keep sealing.The metering chamber cap and the measuring room of said metering mechanism connect and compose chamber; Be provided with fork head, inserted sheet, lining, the axis of the piston, piston in this chamber; The external diameter of lining and the engagement of the external diameter of the axis of the piston, the axis of the piston is connected with the fork head, and the shift fork head is connected with fork bar one end of metering chamber cap; The fork bar is provided with metering with metering chamber cap junction and covers inserts, and the other end of fork bar is connected with the inserted link of binding clasp assembly; Fluid gets into lower house through the water inlet of watchcase, and moves through the measuring room drive piston of lower house, and piston drives the fork head and rotates; The fork head drives the fork bar and rotates; The inserted link that the fork bar drives the binding clasp assembly rotates, and inserted link rotates through the worm screw of the gear assembly drive internal tooth train of internal tooth train, and ten gear wheels that worm screw drives sealed-off counter rotate; Thereby the first character wheel of realizing the sealing counting rotates, and the first character wheel drives corresponding character wheel through four or eight gear wheels and rotates.Be provided with the gap between the external diameter that its structural design main points are said metering mechanisms and the internal diameter of lower house, the water inlet of lower house internal diameter is provided with check valve assembly, and check valve assembly is connected with the measuring room inserts of metering mechanism; Upper shell is provided with water delivering orifice, and upper shell communicates through metering mechanism with lower house.Gap between metering mechanism and the lower house is provided with check valve assembly and prevents to get into the fluid generation backflow in the lower house in the water inlet, improve the degree of accuracy that metering mechanism's inner carrier moves.Fluid gets into from the water inlet of lower house, flows out from the water delivering orifice of upper shell through metering mechanism.
The bottom of said lower house is provided with protruding bottle neck, and the bottle neck of lower house bottom is a water inlet, and the bottle neck at lower house top is provided with check valve assembly.The lower house bottle neck of reducing shape further provides fluid to get into lower house, and promotes the degree of accuracy that metering mechanism's inner carrier moves.
The bottom of said metering mechanism is provided with inlet opening and water strainer, and the top of metering mechanism is provided with apopore; Said apopore communicates with upper shell, and the top of upper shell is provided with water delivering orifice, and water delivering orifice is the protuberance bottle neck.Water strainer is used for the filtration of fluid, and the inlet opening of metering mechanism and apopore guarantee that fluid gets into upper shell from lower house, and promptly the water inlet by lower house gets into, by the water delivering orifice outflow of upper shell.
Be provided with metering chamber cap locating shaft between the metering chamber cap of said metering mechanism and the measuring room, metering chamber cap locating shaft is convenient to measure location and sealing between chamber cap and the measuring room.
The utility model reasonable in design, metering precision is high, good filtration effect; Be fit to be assemblied in the watchcase of piston volumetric water meter, ex hoc genus anne the architecture advances of product.
Description of drawings
Fig. 1 is the embodiment agent structure synoptic diagram of the utility model.
Fig. 2 is the sectional structure synoptic diagram of the utility model.
Above figure number and title: 1, binding clasp assembly, 2, gear train, 3, upper shell, 4, sealed-off counter, 5, the table cancelling, 6, the table lid; 7, metering mechanism, 71, the metering chamber cap, 72, metering cover inserts, 73, the fork bar, 74, the fork head, 75, measure the chamber cap locating shaft; 76, measuring room, 77, inserted sheet, 78, lining, 79, the measuring room inserts, 710, the axis of the piston; 711, piston, 8, measuring room O shape circle, 9, lower house, 10, water strainer, 11, check valve assembly.
Embodiment
Combine accompanying drawing at present, the structure and the principle of work of the utility model further described.As shown in Figure 1, lower house 9 is inserted in the metering mechanism 7 of this metering box, and the bottom of metering mechanism is provided with water strainer 10 and inlet opening; Be provided with the gap between the external diameter of metering mechanism and the internal diameter of lower house; The measuring room inserts 79 of metering mechanism bottom is inserted in check valve assembly 11, and check valve assembly is arranged at the bottle neck internal diameter of lower house, and the bottle neck of lower house is protruding water inlet; The bottle neck of upper shell is protruding water delivering orifice, and upper shell communicates through metering mechanism with lower house.The fork bar 73 at metering mechanism top is connected with the inserted link of binding clasp assembly 1, is provided with gear train 2 in the binding clasp assembly, and the worm screw of gear train is connected with ten gear wheels of sealed-off counter 4.Upper shell 3 fastens with lower house, and grasps metering mechanism, and the junction of upper shell, lower house, metering mechanism is provided with measuring room O shape circle 8, and binding clasp assembly and sealed-off counter are arranged in the upper shell, and upper shell covers 6 through table cancelling 5 with table and is connected.
As shown in Figure 2; The concrete structure of metering mechanism is: the metering chamber cap 71 of metering mechanism is connected as a single entity through metering chamber cap locating shaft 75 with measuring room 76, is provided with fork head 74, inserted sheet 77, lining 78, the axis of the piston 710, piston 711 in metering chamber cap and the measuring room formation chamber.The external diameter of lining and the engagement of the external diameter of the axis of the piston, the axis of the piston is connected with the fork head, and the shift fork head is connected with fork bar one end of metering chamber cap, and the fork bar is provided with metering with metering chamber cap junction and covers inserts 72; The other end of fork bar stretches out the metering chamber cap, and is connected with the inserted link of binding clasp assembly.
Fluid gets into the water inlet of lower house, and the check valve assembly of lower house bottle neck is opened, and fluid gets into lower house, and fluid is through the water strainer of metering mechanism bottom, the chamber that gets into metering mechanism from the inlet opening of metering mechanism bottom.The fluid of water inlet chamber promotes piston and moves; Piston drives the fork head and rotates, and the fork head drives the fork bar and rotates, and the inserted link that the fork bar drives the binding clasp assembly rotates; Inserted link rotates through the worm screw of the gear assembly driven gear system of gear train, and ten gear wheels that worm screw drives sealed-off counter rotate.Sealed-off counter is accomplished counting, and fluid gets into upper shell from the apopore of metering mechanism, and flows out from the water delivering orifice of upper shell; The check valve assembly of lower house prevents that the fluid in the lower house from producing backflow, and flows out lower house.
Claims (4)
1. a piston volumetric water meter measures box; The housing that upper shell of this metering box (3) and lower house (9) connect and compose; Upper shell is provided with table lid (6); Metering mechanism (7) is arranged in the lower house, and metering mechanism is connected with the interior binding clasp assembly (1) of upper shell, and the worm screw of binding clasp assembly internal tooth train (2) is connected with the interior sealed-off counter (4) of upper shell; The metering chamber cap (71) of said metering mechanism connects and composes chamber with measuring room (76); Be provided with fork head (74), inserted sheet (77), lining (78), the axis of the piston (710), piston (711) in this chamber; The external diameter of lining and the engagement of the external diameter of the axis of the piston; The axis of the piston is connected with the fork head; The shift fork head is connected with fork bar (73) one ends of metering chamber cap, and the fork bar is provided with metering with metering chamber cap junction and covers inserts (72), and the other end of fork bar is connected with the inserted link of binding clasp assembly; It is characterized in that being provided with the gap between the internal diameter of external diameter and lower house (9) of said metering mechanism (7), the water inlet of lower house internal diameter is provided with check valve assembly (11), and check valve assembly is connected with the measuring room inserts (79) of metering mechanism; Upper shell is provided with water delivering orifice, and upper shell communicates through metering mechanism with lower house.
2. piston volumetric water meter metering box according to claim 1 is characterized in that the bottom of said lower house (9) is provided with protruding bottle neck, and the bottle neck of lower house bottom is a water inlet, and the bottle neck at lower house top is provided with check valve assembly (11).
3. piston volumetric water meter metering box according to claim 1 is characterized in that the bottom of said metering mechanism (7) is provided with inlet opening and water strainer (10), and the top of metering mechanism is provided with apopore; Said apopore communicates with upper shell (3), and the top of upper shell is provided with water delivering orifice, and water delivering orifice is the protuberance bottle neck.
4. be provided with between the piston volumetric water meter according to claim 1 metering box, the metering chamber cap (71) that it is characterized in that said metering mechanism (7) and measuring room (76) and measure chamber cap locating shaft (75).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202518835U CN202158881U (en) | 2011-07-15 | 2011-07-15 | Measuring box of piston volume type water meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202518835U CN202158881U (en) | 2011-07-15 | 2011-07-15 | Measuring box of piston volume type water meter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202158881U true CN202158881U (en) | 2012-03-07 |
Family
ID=45766515
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202518835U Expired - Fee Related CN202158881U (en) | 2011-07-15 | 2011-07-15 | Measuring box of piston volume type water meter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202158881U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107515028A (en) * | 2016-06-17 | 2017-12-26 | 奚勇 | One kind is without backflow rotameter |
| CN112129364A (en) * | 2020-09-15 | 2020-12-25 | 湖南常德牌水表制造有限公司 | Positive displacement water meter with anti-impurity structure |
| CN112179434A (en) * | 2020-09-28 | 2021-01-05 | 湖南常德牌水表制造有限公司 | Industrial piston positive displacement water meter |
-
2011
- 2011-07-15 CN CN2011202518835U patent/CN202158881U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107515028A (en) * | 2016-06-17 | 2017-12-26 | 奚勇 | One kind is without backflow rotameter |
| CN107515028B (en) * | 2016-06-17 | 2024-06-11 | 上海尤顺汽车技术有限公司 | Non-reflux rotary flowmeter |
| CN112129364A (en) * | 2020-09-15 | 2020-12-25 | 湖南常德牌水表制造有限公司 | Positive displacement water meter with anti-impurity structure |
| CN112129364B (en) * | 2020-09-15 | 2024-04-02 | 湖南常德牌水表制造有限公司 | Volumetric water meter with impurity-proof structure |
| CN112179434A (en) * | 2020-09-28 | 2021-01-05 | 湖南常德牌水表制造有限公司 | Industrial piston positive displacement 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: 20120307 Termination date: 20140715 |
|
| EXPY | Termination of patent right or utility model |