CN109945946A - Rotor water gauge measures drive mechanism - Google Patents
Rotor water gauge measures drive mechanism Download PDFInfo
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- CN109945946A CN109945946A CN201910183986.3A CN201910183986A CN109945946A CN 109945946 A CN109945946 A CN 109945946A CN 201910183986 A CN201910183986 A CN 201910183986A CN 109945946 A CN109945946 A CN 109945946A
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- impeller
- connecting shaft
- bearing
- water gauge
- rotor water
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 47
- 230000007246 mechanism Effects 0.000 title claims abstract description 25
- 238000005259 measurement Methods 0.000 claims abstract description 6
- 229910001220 stainless steel Inorganic materials 0.000 claims description 6
- 239000010935 stainless steel Substances 0.000 claims description 6
- 238000001746 injection moulding Methods 0.000 claims description 3
- 238000010923 batch production Methods 0.000 abstract description 4
- 229910000831 Steel Inorganic materials 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical group O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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Abstract
The invention discloses a kind of rotor water gauges to measure drive mechanism, it includes impeller box, connecting shaft, impeller, and adapter sleeve, wherein connecting shaft is arranged in impeller box, connecting shaft has step, the lower end of impeller is provided with bearing, the inner ring of bearing is connected to connecting shaft by interference fit, bearing is butted on step, adapter sleeve is connected to connecting shaft so that bearing is fixedly provided in connecting shaft by interference fit, so that impeller is rotatably limited in connecting shaft, the upper end of impeller is adapted to counting mechanism, the rotation of water impact impeller, counting mechanism carries out flow measurement by the connection with impeller.The present invention reduces the factors for influencing shafting structure stability, improve the stability of rotor water gauge drive shaft system, and improve the consistency of rotor water gauge batch production.
Description
Technical field
The present invention relates to flow measurement technical fields, are in more detail related to a kind of rotor water gauge metering drive mechanism.
Background technique
Under the overall situation of shortage of water resources, the requirement that the whole society measures water is higher and higher, and the flow of water meter is missed
More stringent requirements are proposed for difference and the accuracy of manufacture of water meter.Rotor water gauge is that a kind of occupation rate of market is very high mechanical small
Bore water meter is widely used in household water metering, therefore studies the measuring accuracy and the accuracy of manufacture for improving rotor water gauge
It has great significance.
The drive shaft system structure of water meter measurement mechanism is to influence the key factor of rotor water gauge performance.But existing skill
There is also certain defects for drive shaft system structure in art, and the accuracy of manufacture and fit form of drive shaft system component part all can be right
The stability of rotor water gauge drive shaft system adversely affects.
By taking the drive shaft system structure of wet type rotor water gauge as an example, as shown in Figure 1 and Figure 2, the top component 7 of impeller box
It is pressed in impeller box 8, ball agate bearing 4 is pressed in bushing 5, and bushing 5 is pressed in impeller 6, the top component 7 of impeller box and ball Ma
Nao bearing 4 is engaged；Upper clamp plate bushing 1 is moulded in upper clamp plate 2, and impeller shaft 3 is matched in upper clamp plate bushing 1.
On the one hand, there are many component for constituting shafting structure, and the factor for corresponding affecting on shafting stability is also very much, Ren Heyi
A related component goes wrong, and fatal influence can be all generated to entire shafting precision, although the concentricity morpheme of associated components
Tolerance is relatively high, but since associated components are more, even if each component meets the requirement of geometric tolerance, each geometric tolerance
The sum of accumulation to a certain extent, also can shaft precision impact, and influence the consistency of water meter batch production and steady
It is qualitative.
On the other hand, there is radial clearances and axial play gap for impeller shafting.As shown in Figure 1 and Figure 2, leaf
There is radial clearances between the top component 7 of wheel box and the mesoporous of bushing 5, and there are between radial direction for impeller shaft 3 and upper clamp plate bushing 1
Gap, and there are axial movement spaces for 3 top of impeller shaft and the top of upper clamp plate bushing 1.There are the purpose of radial clearance, be in order to
The top component 7 of impeller box and impeller shaft 3 is not direct contacts with bushing, reduces abrasion.There are the purpose of axial movement space, be for
Impeller 6 is not killed when water meter is wrenched, and reduces the abrasion of impeller shaft 3.Therefore under real stream mode, impeller 6 itself is not
The phenomenon that avoidablely there is swing and plays.
Summary of the invention
The purpose of the present invention is to provide a kind of rotor water gauges to measure drive mechanism, solves to a certain extent above-mentioned
Problem, improves the stability of rotor water gauge drive shaft system, and improves the consistency of rotor water gauge batch production, keeps away
Exempt from occur biggish performance difference between the Different Individual with money water meter.
To achieve the goals above, the present invention provides a kind of rotor water gauge metering drive mechanism comprising:
Impeller box, connecting shaft, impeller and adapter sleeve, wherein the connecting shaft is arranged in the impeller box, the company
Spindle has step, and the lower end of the impeller is provided with bearing, and the inner ring of the bearing is connected to described by interference fit
Connecting shaft, the bearing are butted on the step, and the adapter sleeve is connected to the connecting shaft so that described by interference fit
Bearing is fixedly provided in the connecting shaft, so that the impeller is rotatably limited in the connecting shaft, the impeller
Upper end be adapted to counting mechanism, water flow impacts the impeller rotation by the impeller box, counting mechanism by with institute
The connection for stating impeller carries out flow measurement.
By above-mentioned structure, stationarity of the impeller there is a phenomenon where swinging and play, in rotary course is avoided
It is significantly improved, in addition structure type of the invention reduces the factor for influencing shafting structure stability, is convenient for the same money of control
Consistency of performance between the Different Individual of water meter.
The lower end of the impeller is arranged in by injection molding for preferred embodiment in accordance with the present invention, the bearing.
Preferably, the bearing is stainless steel bearing or plastic bearing.
Preferably, the connecting shaft is stainless steel shaft.
The above and other purposes of the present invention, feature, advantage will be further bright with attached drawing in the following detailed description
Really.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of wet type rotor water gauge drive shaft system in the prior art；
Fig. 2 is another structural schematic diagram of wet type rotor water gauge drive shaft system in the prior art；
Fig. 3 is that rotor water gauge according to the preferred embodiment of the invention metering drive mechanism applies section in wet-type meter
Schematic diagram；
Fig. 4 is that rotor water gauge according to the preferred embodiment of the invention metering drive mechanism applies section in dry-type meter
Schematic diagram；
In figure: upper clamp plate bushing 1；Upper clamp plate 2；Impeller shaft 3；Ball agate bearing 4；Bushing 5；Impeller 6；Top group of impeller box
Part 7；Impeller box 8；Impeller box 10；Connecting shaft 20；Step 21；Impeller 30；Lower end 31；Bearing 32；Upper end 33；Adapter sleeve
40。
Specific embodiment
In the following, being described further in conjunction with attached drawing and specific embodiment to invention, it should be noted that in not phase
Under the premise of conflict, new implementation can be formed between various embodiments described below or between each technical characteristic in any combination
Example.
It is described below for disclosing the present invention so that those skilled in the art can be realized the present invention.It is excellent in being described below
Embodiment is selected to be only used as illustrating, it may occur to persons skilled in the art that other obvious modifications.It defines in the following description
Basic principle of the invention can be applied to other embodiments, deformation scheme, improvement project, equivalent program and do not carry on the back
Other technologies scheme from the spirit and scope of the present invention.
It will be understood by those skilled in the art that in exposure of the invention, term " longitudinal direction ", " transverse direction ", "upper",
The orientation or position of the instructions such as "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside"
Relationship is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of description of the present invention and simplification of the description, rather than
The device or element of indication or suggestion meaning must have a particular orientation, be constructed and operated in a specific orientation, therefore above-mentioned
Term is not considered as limiting the invention.
It is understood that term " one " is interpreted as " at least one " or " one or more ", i.e., in one embodiment,
The quantity of one element can be one, and in a further embodiment, the quantity of the element can be it is multiple, term " one " is no
It can be interpreted as the limitation to quantity.
Referring to Fig. 3 to Fig. 4 of attached drawing, rotor water gauge metering drive mechanism according to the preferred embodiment of the invention will connect
It is elucidated in the description got off comprising impeller box 10, connecting shaft 20, impeller 30 and adapter sleeve 40, wherein the connecting shaft
20 are arranged in the impeller box 10, and the connecting shaft 20 has step 21.
The lower end 31 of the impeller 30 is provided with bearing 32, and the inner ring of the bearing 32 is connected to institute by interference fit
Connecting shaft 20 is stated, the bearing 32 is butted on the step 21.After the bearing 32 is connected to connecting shaft 20, the fastening
Set 40 is connected to the connecting shaft 20 by interference fit.Under the limitation of the step 21 and the adapter sleeve 40, the axis
It holds 32 and is fixedly provided in the connecting shaft 20, so that the impeller 30 is rotatably limited in the connecting shaft 20.
Preferably, the lower end 31 of the impeller 30 is arranged in by injection molding in the bearing 32, enhance the impeller 30 with
The integraty of the bearing 32.
Preferably, the connecting shaft 20 is stainless steel shaft, extends the service life of equipment.
The upper end 33 of the impeller 30 is adapted to counting mechanism, and water flow impacts the impeller by the impeller box 10
30 rotations, counting mechanism carry out flow measurement by the connection with the impeller 30.On water meter counting mechanism and the impeller 30
The connection type of end 33 belongs to the prior art, and no longer this is repeated.
By above-mentioned structure, the impeller 30 is avoided there is a phenomenon where swinging and play, it is steady in rotary course
Property is significantly improved, and improves the stability of rotor water gauge drive shaft system.In addition, structure type of the invention reduces shadow
The factor for ringing shafting structure stability improves the consistency of rotor water gauge batch production, avoids the difference of same money water meter
Occurs biggish performance difference between individual.
In addition, structure type of the invention is easy to control the critical size of components, to the motion state of impeller entirety
It can guarantee certain consistency, the control to whole table performance be strengthened, especially for the water meter for having multi-pose installation requirement
There is obvious practical value.
As shown in Fig. 4, the application of rotor water gauge metering drive mechanism of the invention in dry-type meter is shown.Value
It obtains one and is mentioned that in the structure of dry-type multi-streaming water meter, the coupling of central gear and impeller 30 mostly uses magnet steel to couple, due to not having
There is a generation of play phenomenon, therefore the magnet steel identity distance of 30 magnet steel face of impeller and central gear be from can be a steady state value,
Two magnet steel face magnetic coupling forces will not be made to change because of the play of impeller 30, enhance the stability of the operating of impeller 30.
Line of the frictional resistance of drive shaft system greatly mostly from the point friction of top contact and radial shafting rubs in the prior art
It wipes, and in rotor water gauge provided by the present invention metering drive mechanism, frictional resistance is more mainly from the bearing 32
Point spin friction.It is therefore preferred that in the present embodiment the bearing 32 be stainless steel bearing or plastic bearing, resistance it is low and
Long service life.
It should be understood by those skilled in the art that foregoing description and the embodiment of the present invention shown in the drawings are only used as illustrating
And it is not intended to limit the present invention.The purpose of the present invention has been fully and effectively achieved.Function and structural principle of the invention exists
It shows and illustrates in embodiment, under without departing from the principle, embodiments of the present invention can have any deformation or modification.
Claims (4)
1. rotor water gauge measures drive mechanism characterized by comprising
Impeller box, connecting shaft, impeller and adapter sleeve, wherein the connecting shaft is arranged in the impeller box, the connecting shaft
With step, the lower end of the impeller is provided with bearing, and the inner ring of the bearing is connected to the connection by interference fit
Axis, the bearing are butted on the step, and the adapter sleeve is connected to the connecting shaft so that the bearing by interference fit
Be fixedly provided in the connecting shaft so that the impeller is rotatably limited in the connecting shaft, the impeller it is upper
End is adapted to counting mechanism, and water flow impacts the impeller rotation by the impeller box, counting mechanism by with the leaf
The connection of wheel carries out flow measurement.
2. rotor water gauge according to claim 1 measures drive mechanism, which is characterized in that the bearing is set by injection molding
It sets in the lower end of the impeller.
3. rotor water gauge according to claim 1 or 2 measures drive mechanism, which is characterized in that the bearing is stainless
Steel shaft is held or plastic bearing.
4. rotor water gauge according to claim 1 measures drive mechanism, which is characterized in that the connecting shaft is stainless steel
Axis.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910183986.3A CN109945946B (en) | 2019-03-12 | 2019-03-12 | Rotary wing type water meter metering transmission structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910183986.3A CN109945946B (en) | 2019-03-12 | 2019-03-12 | Rotary wing type water meter metering transmission structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109945946A true CN109945946A (en) | 2019-06-28 |
| CN109945946B CN109945946B (en) | 2024-07-02 |
Family
ID=67009672
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910183986.3A Active CN109945946B (en) | 2019-03-12 | 2019-03-12 | Rotary wing type water meter metering transmission structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109945946B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114018352A (en) * | 2020-08-04 | 2022-02-08 | 宁波水表(集团)股份有限公司 | Impeller capable of limiting play range |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR19990068446A (en) * | 1999-05-20 | 1999-09-06 | 유상열 | Fixed axis type turbine meter |
| KR20000051467A (en) * | 1999-01-22 | 2000-08-16 | 권덕식 | Supporting device of impeller for a meter of waterworks |
| CN2429819Y (en) * | 2000-06-29 | 2001-05-09 | 深圳市华旭科技开发有限公司 | Dry water meter core with rotary wing |
| CN2529208Y (en) * | 2002-03-22 | 2003-01-01 | 无锡市水表厂 | Vane of large diameter rotary wing water meter |
| CN203163782U (en) * | 2013-04-15 | 2013-08-28 | 承德市本特思达仪表有限公司 | Flow meter |
| CN203587149U (en) * | 2013-12-12 | 2014-05-07 | 宁波金泉仪表有限公司 | Rotating vane type water meter |
| CN104501882A (en) * | 2014-12-08 | 2015-04-08 | 四川府星仪表有限公司 | Two-way metering water meter |
| CN205175471U (en) * | 2015-11-26 | 2016-04-20 | 宁波市埃美仪表制造有限公司 | Two magnet steel transmission of dry type vane wheel water meter |
| CN105509834A (en) * | 2015-11-30 | 2016-04-20 | 江西三川水表股份有限公司 | Counter and water meter having same |
| CN205300659U (en) * | 2015-11-20 | 2016-06-08 | 合肥巨洋仪表有限公司 | Rotating vane type water meter metering mechanism |
| CN107345827A (en) * | 2017-06-19 | 2017-11-14 | 南京水门电子有限公司 | Suitable for underwater external-compression type mechanical pick-up device formula electronic water meter |
| CN209559282U (en) * | 2019-03-12 | 2019-10-29 | 宁波水表股份有限公司 | Rotor water gauge measures drive mechanism |
-
2019
- 2019-03-12 CN CN201910183986.3A patent/CN109945946B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20000051467A (en) * | 1999-01-22 | 2000-08-16 | 권덕식 | Supporting device of impeller for a meter of waterworks |
| KR19990068446A (en) * | 1999-05-20 | 1999-09-06 | 유상열 | Fixed axis type turbine meter |
| CN2429819Y (en) * | 2000-06-29 | 2001-05-09 | 深圳市华旭科技开发有限公司 | Dry water meter core with rotary wing |
| CN2529208Y (en) * | 2002-03-22 | 2003-01-01 | 无锡市水表厂 | Vane of large diameter rotary wing water meter |
| CN203163782U (en) * | 2013-04-15 | 2013-08-28 | 承德市本特思达仪表有限公司 | Flow meter |
| CN203587149U (en) * | 2013-12-12 | 2014-05-07 | 宁波金泉仪表有限公司 | Rotating vane type water meter |
| CN104501882A (en) * | 2014-12-08 | 2015-04-08 | 四川府星仪表有限公司 | Two-way metering water meter |
| CN205300659U (en) * | 2015-11-20 | 2016-06-08 | 合肥巨洋仪表有限公司 | Rotating vane type water meter metering mechanism |
| CN205175471U (en) * | 2015-11-26 | 2016-04-20 | 宁波市埃美仪表制造有限公司 | Two magnet steel transmission of dry type vane wheel water meter |
| CN105509834A (en) * | 2015-11-30 | 2016-04-20 | 江西三川水表股份有限公司 | Counter and water meter having same |
| CN107345827A (en) * | 2017-06-19 | 2017-11-14 | 南京水门电子有限公司 | Suitable for underwater external-compression type mechanical pick-up device formula electronic water meter |
| CN209559282U (en) * | 2019-03-12 | 2019-10-29 | 宁波水表股份有限公司 | Rotor water gauge measures drive mechanism |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114018352A (en) * | 2020-08-04 | 2022-02-08 | 宁波水表(集团)股份有限公司 | Impeller capable of limiting play range |
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| Publication number | Publication date |
|---|---|
| CN109945946B (en) | 2024-07-02 |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information |
Country or region after: China Address after: 355 Hongxing Road, Jiangbei District, Ningbo, Zhejiang 315000 Applicant after: Ningbo water meter (Group) Co.,Ltd. Address before: 355 Hongxing Road, Jiangbei District, Ningbo, Zhejiang 315000 Applicant before: NINGBO WATER METER Co.,Ltd. Country or region before: China |
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| CB02 | Change of applicant information | ||
| GR01 | Patent grant |