CN105716667A - Impeller installation structure for injection-molding magnetoelectric water meter - Google Patents
Impeller installation structure for injection-molding magnetoelectric water meter Download PDFInfo
- Publication number
- CN105716667A CN105716667A CN201610142165.1A CN201610142165A CN105716667A CN 105716667 A CN105716667 A CN 105716667A CN 201610142165 A CN201610142165 A CN 201610142165A CN 105716667 A CN105716667 A CN 105716667A
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- China
- Prior art keywords
- impeller
- water meter
- type water
- magnetic electric
- lower supporter
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
- G01F1/05—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects
Abstract
The invention discloses an impeller installation structure for an injection-molding magnetoelectric water meter. The structure comprises a bottom bracket and a supporting seat, wherein the bottom bracket is embedded and positioned at the bottom of an upper pipe cavity in a matching manner; the supporting seat is fixedly connected with the upper pipe cavity, and tightly presses the bottom bracket; a plurality of hollow grids are formed in the bottom bracket; an installation slot hole is formed in the middle part of the bottom bracket; rotary shafts at two sides of an impeller are respectively connected with positioning blocks in an injection molding manner; the positioning blocks can be embedded in the hollow grids at two sides of the installation slot hole in the matching manner, and are tightly pressed by the supporting seat, so that the impeller is positioned in the installation slot hole. The impeller installation structure disclosed by the invention has the advantages that the processing precision of the hollow grids corresponding to the positioning blocks is guaranteed due to the adoption of a pressing-type positioning manner, so that the processing precision requirement is reduced, the assembly difficulty is reduced, and the measurement accuracy of a product is improved; an insert part is adopted in a mold development process, so that the mold manufacture cost and mold use cost are reduced while the processing precision and product yield are guaranteed, and the manufacture cost of the water meter is effectively controlled.
Description
Technical field
The present invention relates to water meter technical field, particularly relate to the impeller installing of a kind of injecting magnetic electric-type water meter.
Background technology
Traditional water meter case material is mainly cast iron, pyrite, rustless steel.The shell of water flowmeter that cast iron manufactures is cheap, and intensity is high, and shortcoming is that casting is coarse, it is easy to corrosion polluted water.The shell of water flowmeter handling ease that pyrite manufactures, casting exquisiteness, corrosion-resistant, shortcoming is that price is higher, and rust staining Aerugo has toxicity, and the lead in pyrite is also harmful material.The corrosion-resistant non-corrosive of rustless steel, is the ideal material of water meter case.But stainless steel material processing difficulties, price is high, is only used for high-end product.
Aluminum owing to being dissolved in the trace of water is harmful, and aluminium alloy very easily corrodes in dangerous water, is excluded outside water meter case material always.Recently producer is had to declare to produce and do not corrode harmless aluminum alloy water meter housing, but everybody its long-term actual effect of doubt, and this aluminum alloy water meter housing close prices is even more than copper shell, and prospect is difficult to have an optimistic view of.
Engineering plastics, such as glass fibre reinforced nylon, if PA+GF30 is a kind of food stage macromolecular material, owing to its production efficiency is high, consume energy low, light specific gravity, non-corrosive, the feature such as corrosion-resistant, also it is used for injection moulding by some manufacturers and makes water meter, but fail to obtain extensive success always, its reason is mainly the existing good product structure design of engineering plastics water meter neither one, the housing data result applying mechanically metal water meter can only be failure, common plastic water meter case design can not meet the pressure test of water meter, test with installing, so cannot alternative metals housing water meter and enter family use.
This phenomenon is especially prominent for flange form electromagnetism water meter, the housing of this kind of type generally comprises cylindrical-shaped main body, with the upper tube chamber formed in the middle part of main body, impeller, electromagnetic measurement parts, battery etc. are arranged at tube chamber, and how effective location and installation impeller becomes urgent need solves the technical problem that.
Summary of the invention
It is an object of the invention to for the technological deficiency existed in prior art, and the impeller installing of a kind of injecting magnetic electric-type water meter is provided.
Be the technical scheme is that by realizing the purpose of the present invention
A kind of impeller installing of injecting magnetic electric-type water meter, it is positioned at the lower supporter bottom upper tube chamber including inlay card matchingly, and the bearing being connected and compressing described lower supporter is fixed with described upper tube chamber, described lower supporter is formed multiple hollow out lattice and is formed with installation slotted eye at middle part, the rotating shaft of the both sides of described impeller is connected with locating piece injection moulding respectively, and described locating piece can be embedded matchingly in the hollow out lattice of described mounting groove both sides and be compressed location to be positioned at by described impeller in installation slotted eye by described bearing.
It is formed with the inner position platform corresponding with the thickness of described lower supporter bottom described upper tube chamber medial wall.
Described bearing is fixedly clamped with the described bolted middle cover of upper tube chamber.
Described bearing includes tubular pedestal, it is integrally formed in upper Joining clasp outside pedestal, the base plate of described pedestal is formed useful to hold the accommodation chamber of impeller with described slotted eye corresponding position of installing protruding upwardly, the bottom of described pedestal lateral surface Joining clasp is formed with at least one caulking groove with positioning seal ring to realize the sealing of lower supporter and upper tube chamber, and described upper lumen open end is formed with the inner stopper corresponding with described Joining clasp.
Described support, middle cover are respectively by glass fibre reinforced nylon injection mo(u)lding, and described lower supporter, locating piece are respectively by POM injection mo(u)lding.
It is formed with hollow slots bottom described middle cover.
The described inside top face holding chamber is formed with hollow slots.
The base plate holding both sides, chamber of described pedestal is formed with guide table with described hollow out lattice corresponding position.
Compared with prior art, the invention has the beneficial effects as follows:
The present invention adopts compression type to position, it is only necessary to ensure the machining accuracy of the hollow out lattice corresponding with locating piece, reduces requirement on machining accuracy, is assembled difficulty, improves the measurement accuracy of product.So when mould development, this place adopts mold insert, it is ensured that machining accuracy and while finished product rate, reduces Making mold and use cost, effectively controls the manufacturing cost of water meter.
Accompanying drawing explanation
Fig. 1 show the perspective view of the injection moulding flange-type magneto-electric water meter of the present invention；
Fig. 2 show the longitudinal cross-section structural representation shown in Fig. 1；
Fig. 3 show the cross-sectional structure schematic diagram shown in Fig. 1；
Fig. 4 show lower supporter and blade wheel structure schematic diagram；
Fig. 5 show seat structure schematic diagram；
Fig. 6 show the cross-sectional structure schematic diagram shown in Fig. 5；
Fig. 7 show middle cover structural representation.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the present invention is described in further detail.Should be appreciated that specific embodiment described herein is only in order to explain the present invention, is not intended to limit the present invention.
As shown in figs. 1-7, the injecting magnetic electric-type water meter of the present invention, for flange-type, it includes the housing 1 of integrated injection molding, it includes cylindrical body 11, form the ring flange 12 at main body two ends, it is vertically disposed at the upper tube chamber 13 in the middle part of described main body, described main body is formed in order to connect axially extended strip hole with upper tube chamber, on the end face of described upper tube chamber, injection moulding is connected to female thread metal adapter sleeve so that the middle cover described below is bolted to connection, realize one of only a few metals connector
Inlay card is positioned at the lower supporter 2 bottom tube chamber matchingly, can be rotatably set on described lower supporter and the impeller 3 of body interior is goed deep into by described strip hole in lower end；Described impeller is six leaf formula designs, and three impellers wherein are provided with magnetics, does hollow out simultaneously and process to improve its current sensitivity on blade；
Bottom is inserted in described upper tube chamber and in order to carry the bearing 5 of battery 4 matchingly, is additionally provided with the magnetic strength element corresponding with described magnetics on described bearing simultaneously, this similarly to the prior art, in this not reinflated description；
It is bolted to connection and compresses to compress further by described bearing 5 middle cover 6 of described lower supporter 2 with described upper tube chamber 13.Preferably, described housing, support and middle cover are respectively by glass fibre reinforced nylon, if PA66+GF30 injection mo(u)lding, described lower supporter and locating piece described below are respectively by POM injection mo(u)lding.
In sum, the electromagnetic water meter of the present invention, except necessary electric elements and connecting bolt, substantially carry out whole plastic, by the selection of different plastic materials and combination, be effectively increased the intensity of entirety, especially the assembly being connected with upper tube chamber is split as two, it is designed to bearing and the middle cover of compression fit, under the premise meeting product function, rationally splits part and effectively reduce the design of product wall thickness；Simplify Design of Dies, it is simple to realize industrialization simultaneously.And the Structure adaptation scope of the present invention is wide, adapts to DN50-DN300 all size, expanded its application scenario.
Specifically, described lower supporter 2 is formed multiple hollow out lattice and is formed with installation slotted eye at middle part, two rotating shafts of described impeller 3 are connected with locating piece 31 injection moulding respectively, and described locating piece can be embedded matchingly in the hollow out lattice of described mounting groove both sides and be compressed location to be positioned at by described impeller in installation slotted eye by described bearing.Employing compression type positions, it is only necessary to ensure the machining accuracy of the hollow out lattice corresponding with locating piece, reduces requirement on machining accuracy, is assembled difficulty, improves the measurement accuracy of product.So when mould development, this place adopts mold insert, it is ensured that machining accuracy and while finished product rate, reduces Making mold and use cost, effectively controls the manufacturing cost of water meter.And, for avoiding because compressing the rotation excessively causing lower supporter deformation even to affect impeller, bottom described upper tube chamber medial wall, it is formed with the inner position platform corresponding with the thickness of described lower supporter.
For ease of carrying out injection molding, described bearing 5 includes tubular pedestal 51, Joining clasp 52 that is that be integrally formed in pedestal outer upper end side and that be formed with the perforation corresponding with female thread metal adapter sleeve on it, described upper lumen open end is formed with the inner stopper corresponding with described Joining clasp；The base plate of described pedestal is formed with accommodation chamber 53 with described installation slotted eye corresponding position protruding upwardly, the described top board holding chamber has been internally formed dead slot, it is formed with slot between the inwall of the described pedestal holding chamber and both sides, the fuel plate support inserted matchingly in described slot can support locating batteries 4, simultaneously, it is formed with multiple riser on described pedestal top, described riser top is formed with wedge shape lock dog, is covered by battery and is formed with the lockhole mated with described lock dog on its interior battery cover board 54.Meanwhile, the bottom of described pedestal lateral surface Joining clasp is formed with at least one caulking groove 55 and realizes the sealing of lower supporter and upper tube chamber with positioning seal ring.
Specifically, described middle cover is in a cylindrical shape, and the taper portion of lower end or the surrounding in terrace with edge portion are connected by screw is fixing with female thread metal adapter sleeve and upper tube chamber, and the cylindrical portion sidewall of upper end is formed the external screw thread being connected with described upper cover.Simultaneously described middle cover lower surface is formed with hollow out lattice.
Between support outer face and upper tube chamber, sealing ring is set, the first half of impeller is held wherein and is completely cut off by water by internal accommodation chamber of passing through, it is effectively ensured the water-stop of upper space, and, it is that middle cover adopts two parts to arrange by bearing, reduces mould difficulty of processing, meet under the premise of product function, reduce overall dimensions design, simultaneously facilitate the hollow out design of both junctions, improve bulk strength and stability.
The base plate holding both sides, chamber of described pedestal is formed with guide table 56 to realize Primary Location with described hollow out lattice corresponding position, it is prevented that installation process or deflect in use procedure.
The above is only the preferred embodiment of the present invention; it should be pointed out that, for those skilled in the art, under the premise without departing from the principles of the invention; can also making some improvements and modifications, these improvements and modifications also should be regarded as protection scope of the present invention.
Claims (8)
1. the impeller installing of an injecting magnetic electric-type water meter, it is characterized in that, it is positioned at the lower supporter bottom upper tube chamber including inlay card matchingly, and the bearing being connected and compressing described lower supporter is fixed with described upper tube chamber, described lower supporter is formed multiple hollow out lattice and is formed with installation slotted eye at middle part, the rotating shaft of the both sides of described impeller is connected with locating piece injection moulding respectively, and described locating piece can be embedded matchingly in the hollow out lattice of described mounting groove both sides and be compressed location to be positioned at by described impeller in installation slotted eye by described bearing.
2. the impeller installing of injecting magnetic electric-type water meter as claimed in claim 1, it is characterised in that be formed with the inner position platform corresponding with the thickness of described lower supporter bottom described upper tube chamber medial wall.
3. the impeller installing of injecting magnetic electric-type water meter as claimed in claim 1, it is characterised in that described bearing is fixedly clamped with the described bolted middle cover of upper tube chamber.
4. the impeller installing of injecting magnetic electric-type water meter as claimed in claim 3, it is characterized in that, described bearing includes tubular pedestal, it is integrally formed in upper Joining clasp outside pedestal, the base plate of described pedestal is formed useful to hold the accommodation chamber of impeller with described slotted eye corresponding position of installing protruding upwardly, the bottom of described pedestal lateral surface Joining clasp is formed with at least one caulking groove with positioning seal ring to realize the sealing of lower supporter and upper tube chamber, and described upper lumen open end is formed with the inner stopper corresponding with described Joining clasp.
5. the impeller installing of injecting magnetic electric-type water meter as claimed in claim 4, it is characterised in that described support, middle cover are respectively by glass fibre reinforced nylon injection mo(u)lding, and described lower supporter, locating piece are respectively by POM injection mo(u)lding.
6. the impeller installing of injecting magnetic electric-type water meter as claimed in claim 1, it is characterised in that be formed with hollow slots bottom described middle cover.
7. the impeller installing of injecting magnetic electric-type water meter as claimed in claim 4, it is characterised in that be formed with hollow slots on the described inside top face holding chamber.
8. the impeller installing of injecting magnetic electric-type water meter as claimed in claim 1, it is characterised in that be formed with guide table with described hollow out lattice corresponding position on the base plate holding both sides, chamber of described pedestal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610142165.1A CN105716667B (en) | 2016-03-14 | 2016-03-14 | Impeller mounting structure of magneto-electric water gauge moulds plastics |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610142165.1A CN105716667B (en) | 2016-03-14 | 2016-03-14 | Impeller mounting structure of magneto-electric water gauge moulds plastics |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105716667A true CN105716667A (en) | 2016-06-29 |
| CN105716667B CN105716667B (en) | 2020-07-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610142165.1A Active CN105716667B (en) | 2016-03-14 | 2016-03-14 | Impeller mounting structure of magneto-electric water gauge moulds plastics |
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| CN (1) | CN105716667B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106476287A (en) * | 2016-10-27 | 2017-03-08 | 天津银宝山新科技有限公司 | Injecting products parts assembly system and assembly method |
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| US20110213573A1 (en) * | 2008-08-29 | 2011-09-01 | Spirax-Sarco Limited | Flow meter |
| CN202614317U (en) * | 2012-06-29 | 2012-12-19 | 宁波华顺仪表有限公司 | Uniflow dry-type water meter |
| CN104568032A (en) * | 2015-01-23 | 2015-04-29 | 北京奥特美克科技股份有限公司 | Magneto-electrical flow meter |
| CN204346523U (en) * | 2015-01-23 | 2015-05-20 | 北京奥特美克科技股份有限公司 | A kind of water meter panel |
| CN204346509U (en) * | 2015-01-23 | 2015-05-20 | 北京奥特美克科技股份有限公司 | A kind of liquid wheel assembly |
| CN204461496U (en) * | 2015-02-12 | 2015-07-08 | 宁波东海仪表水道有限公司 | A kind of dry-type meter |
| CN205719114U (en) * | 2016-03-14 | 2016-11-23 | 北京奥特美克科技股份有限公司 | The impeller installing of injecting magnetic electric-type water meter |
-
2016
- 2016-03-14 CN CN201610142165.1A patent/CN105716667B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5670724A (en) * | 1996-05-01 | 1997-09-23 | Amj Equipment Corporation | Apparatus for sensing liquid flow and pressure in a conduit and associated methods |
| US20110213573A1 (en) * | 2008-08-29 | 2011-09-01 | Spirax-Sarco Limited | Flow meter |
| CN202614317U (en) * | 2012-06-29 | 2012-12-19 | 宁波华顺仪表有限公司 | Uniflow dry-type water meter |
| CN104568032A (en) * | 2015-01-23 | 2015-04-29 | 北京奥特美克科技股份有限公司 | Magneto-electrical flow meter |
| CN204346523U (en) * | 2015-01-23 | 2015-05-20 | 北京奥特美克科技股份有限公司 | A kind of water meter panel |
| CN204346509U (en) * | 2015-01-23 | 2015-05-20 | 北京奥特美克科技股份有限公司 | A kind of liquid wheel assembly |
| CN204461496U (en) * | 2015-02-12 | 2015-07-08 | 宁波东海仪表水道有限公司 | A kind of dry-type meter |
| CN205719114U (en) * | 2016-03-14 | 2016-11-23 | 北京奥特美克科技股份有限公司 | The impeller installing of injecting magnetic electric-type water meter |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106476287A (en) * | 2016-10-27 | 2017-03-08 | 天津银宝山新科技有限公司 | Injecting products parts assembly system and assembly method |
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| CN105716667B (en) | 2020-07-17 |
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| C06 | Publication | ||
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| SE01 | Entry into force of request for substantive examination | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| CB03 | Change of inventor or designer information |
Inventor after: Li Haizeng Inventor after: Wu Chao Inventor after: Ma Yunjie Inventor after: Wang Shuchao Inventor after: Cun Zhouyang Inventor after: Gao Fei Inventor after: Li Xian Inventor before: Li Jie Inventor before: Zhen Fangyong |
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| COR | Change of bibliographic data | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20161207 Address after: 100000 Haidian District, Beijing on the road to information on the international science and Technology Park, No. 2, building 21E, No. 2 Applicant after: Beijing Automatic Science and Technology Co., Ltd. Address before: 300452 Tianjin Binhai New Area Tianjin economic and Technological Development Zone, No. thirteenth Main Street, No. 46 Applicant before: TIANJIN YINBAOSHAN NEW TECHNOLOGY CO., LTD. |
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