CN204831439U - Rotating vane type water meter's impeller balanced structure - Google Patents
Rotating vane type water meter's impeller balanced structure Download PDFInfo
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- CN204831439U CN204831439U CN201520594154.8U CN201520594154U CN204831439U CN 204831439 U CN204831439 U CN 204831439U CN 201520594154 U CN201520594154 U CN 201520594154U CN 204831439 U CN204831439 U CN 204831439U
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- impeller
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- thimble
- hole
- gearcase
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Abstract
The utility model discloses a rotating vane type water meter's impeller balanced structure, this structure mainly is upright to impeller the shaft position under impeller box, set up 4 phi's 1.2 through -hole, at the large -traffic during operation of water gauge, the through -hole of rivers through 4 phi 1.2 can produce an ascending holding power to the impeller, can make like this the impeller and top between frictional force diminish, can offset since the return water to the decurrent effort of impeller, make the water gauge during operation be in the self -balancing suspended state, the friction of during operation has been reduced, reducing abrasion, increase water gauge life.
Description
Technical field
The utility model relates to water meter, particularly relates to a kind of impeller balance structure of rotor water gauge.
Background technology
The principle of work of rotor water gauge is: current make it to rotate from watchcase water inlet tangential impact impeller, then recorded the revolution of impeller continuously by gear reduction, thus recorded stream are through the integrated flux of water meter.And in rotor water gauge, impeller box water delivering orifice is blocked by upper cover plate, the position of water outlet defines a right-angled bend, have a larger backwater when mass-flow and downward acting force is produced to impeller, so, water meter is being crossed under current-carrying capacity, produces very large wearing and tearing, affect the serviceable life of water meter between the agate under impeller box on thimble and impeller.
Summary of the invention
The purpose of this utility model overcomes the deficiencies in the prior art, provides a kind of impeller balance structure of rotor water gauge.
The utility model solves the technical scheme that its technical matters adopts: a kind of impeller balance structure of rotor water gauge, comprises gearcase and impeller box; Described impeller box comprises impeller, impeller box housing, transmission gear and upper thimble, lower thimble, and described lower thimble upper end is connected with the central shaft lower surface of impeller, and lower end is connected with the bottom center of impeller box housing; The central shaft of described upper thimble lower end and impeller is fixedly linked; Described transmission gear has central through hole, and upper thimble has central through hole through transmission gear, and transmission gear is fixedly connected with upper thimble; The bottom surface of impeller box housing has the through hole of 4 Φ 1.2, described through hole is positioned at lower thimble surrounding, and is positioned at immediately below impeller middle spindle; The side wall upper part of described impeller box housing has water delivering orifice, and bottom has with sidewall in the inlet opening spent; Described gearcase comprises gearcase housing and follower gear, and the central shaft of follower gear is connected with gearcase housing, and described gearcase housing is arranged on the top of gear and housing, and the upper end of upper thimble is connected with gearcase housing, and transmission gear engages with follower gear.
The utility model can reduce water meter by producing downward acting force due to the backwater of inner structure formation to impeller during large discharge, reduces wearing and tearing during water meter work, improves the serviceable life of water meter.
Accompanying drawing explanation
Fig. 1 is a kind of structural representation of impeller balance structure of rotor water gauge;
Fig. 2 is the vertical view of impeller;
Fig. 3 is the schematic diagram of impeller box lower housing portion inlet opening;
In figure, follower gear 1, gearcase housing 2, transmission gear 3, impeller 4, upper thimble 5, lower thimble 6, impeller box housing 7, through hole 8, inlet opening 9, water delivering orifice 10, central shaft 41, blade 42.
Embodiment
As shown in Figure 1, a kind of impeller balance structure of rotor water gauge, comprise gearcase and impeller box; Described impeller box comprises impeller 4, impeller box housing 7, transmission gear 3 and upper thimble 5, lower thimble 6, and described lower thimble 6 upper end is connected with central shaft 41 lower surface of impeller 4, and lower end is connected with the bottom center of impeller box housing 7; The central shaft 41 of described upper thimble 5 lower end and impeller 4 is fixedly linked; Described transmission gear 3 has central through hole, and upper thimble 5 has central through hole through transmission gear 3, and transmission gear 3 is fixedly connected with upper thimble 5; The bottom surface of impeller box housing 7 has the through hole 8 of 4 Φ 1.2, described through hole 8 is positioned at lower thimble 6 surrounding, and is positioned at immediately below impeller 4 central shaft 41; The side wall upper part of described impeller box housing 7 has water delivering orifice 10, and it is the inlet opening 9 of 45 degree that bottom has with sidewall, as shown in Figure 3;
Described gearcase comprises gearcase housing 2 and follower gear 1, the central shaft of follower gear 1 is connected with gearcase housing 2, described gearcase housing 2 is arranged on the top of gear and housing 7, and the upper end of upper thimble 5 is connected with gearcase housing 2, and transmission gear 3 engages with follower gear 1.
The central shaft 41 of described impeller 4 and the structural relation of blade 42 are as shown in Figure 2.
After current flow into from impeller box housing 7 inlet opening 9, the blade 42 of drive impeller 4 rotates on the one hand, thus by the rotation of upper thimble 5 with nutating gear 3, follower gear 1, follower gear 1 drives rolling counters forward; On the other hand because inlet opening 9 and the tangent line of sidewall are 45 degree, make current itself increase twist, and discharge from impeller box housing 7 apopore 10.4 Φ
1.2through hole 8, when water meter large discharge works, current are by 4 Φ
1.2through hole 8 can produce an anchorage force upwards to impeller 4, the friction force between impeller 4 and lower thimble 6 just becomes very little, can offset because backwater is to the downward acting force of impeller 4, be in self-equilibrating suspended state when water meter is worked.
The utility model can reduce water meter by producing downward acting force due to the backwater of inner structure formation to impeller during large discharge, reduces wearing and tearing during water meter work, improves the serviceable life of water meter.
Claims (1)
1. an impeller balance structure for rotor water gauge, is characterized in that, comprises gearcase and impeller box; Described impeller box comprises impeller (4), impeller box housing (7), transmission gear (3) and upper thimble (5), lower thimble (6), described lower thimble (6) upper end is connected with central shaft (41) lower surface of impeller (4), and lower end is connected with the bottom center of impeller box housing (7); Described transmission gear (3) has central through hole, the central shaft (41) of upper thimble (5) lower end and impeller (4) is fixedly linked, upper thimble (5) has central through hole through transmission gear (3), and transmission gear (3) is fixedly connected with upper thimble (5); The bottom surface of impeller box housing (7) has the through hole (8) of four Φ 1.2, described through hole (8) is positioned at lower thimble (6) surrounding, and is positioned at immediately below impeller (4) central shaft (41); The side wall upper part of described impeller box housing (7) has water delivering orifice (10), and it is the inlet opening (9) of 45 degree that bottom has with the tangent line of sidewall; Described gearcase comprises gearcase housing (2) and follower gear (1), the central shaft of follower gear (1) is connected with gearcase housing (2), described gearcase housing (2) is arranged on the top of gear and housing (7), the upper end of upper thimble (5) is connected with gearcase housing (2), and transmission gear (3) engages with follower gear (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520594154.8U CN204831439U (en) | 2015-08-03 | 2015-08-03 | Rotating vane type water meter's impeller balanced structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520594154.8U CN204831439U (en) | 2015-08-03 | 2015-08-03 | Rotating vane type water meter's impeller balanced structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204831439U true CN204831439U (en) | 2015-12-02 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520594154.8U Active CN204831439U (en) | 2015-08-03 | 2015-08-03 | Rotating vane type water meter's impeller balanced structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204831439U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108700438A (en) * | 2016-02-05 | 2018-10-23 | 埃尔比国际有限公司 | Device for the flow velocity for measuring the fluid in pipeline |
-
2015
- 2015-08-03 CN CN201520594154.8U patent/CN204831439U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108700438A (en) * | 2016-02-05 | 2018-10-23 | 埃尔比国际有限公司 | Device for the flow velocity for measuring the fluid in pipeline |
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|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |