CN109443475B - Snap ring structure of dry-type water meter - Google Patents
Snap ring structure of dry-type water meter Download PDFInfo
- Publication number
- CN109443475B CN109443475B CN201811623875.1A CN201811623875A CN109443475B CN 109443475 B CN109443475 B CN 109443475B CN 201811623875 A CN201811623875 A CN 201811623875A CN 109443475 B CN109443475 B CN 109443475B
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- ring body
- clamping
- water meter
- wall
- blocks
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 83
- 238000007789 sealing Methods 0.000 claims abstract description 30
- 229920003023 plastic Polymers 0.000 claims abstract description 14
- 239000004033 plastic Substances 0.000 claims abstract description 14
- 239000000463 material Substances 0.000 claims abstract description 11
- 239000004576 sand Substances 0.000 claims description 5
- 238000009826 distribution Methods 0.000 claims description 4
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 3
- 238000009434 installation Methods 0.000 abstract description 26
- 239000002184 metal Substances 0.000 description 6
- 230000032683 aging Effects 0.000 description 4
- 230000005489 elastic deformation Effects 0.000 description 3
- 238000003825 pressing Methods 0.000 description 3
- 230000035882 stress Effects 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F15/00—Details of, or accessories for, apparatus of groups G01F1/00 - G01F13/00 insofar as such details or appliances are not adapted to particular types of such apparatus
- G01F15/18—Supports or connecting means for meters
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
Landscapes
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Measuring Volume Flow (AREA)
Abstract
The invention provides a snap ring structure of a dry water meter, and belongs to the technical field of machinery. The problem that the snap ring structure of the existing dry water meter is inconvenient to install is solved. The snap ring structure of the dry-type water meter comprises a ring body, wherein the ring body is made of plastic materials and is in an opening shape, a plurality of first clamping blocks distributed along the circumferential direction of the ring body and a plurality of second clamping blocks distributed along the circumferential direction of the ring body are arranged on the inner wall of the ring body, the first clamping blocks and the second clamping blocks are arranged at intervals up and down, the flange of a water meter counter and the flange of a water meter seat body can be clamped between the first clamping blocks and the second clamping blocks, clamping grooves for clamping and fixing clamping convex strips on the inner wall of a meter cover are further formed in the outer wall of the ring body, and lead sealing holes for lead sealing wires to penetrate through are further formed in the opening of the ring body. The whole installation procedure of the snap ring structure is simple, the operation is also simpler and more convenient, and the installation convenience is improved.
Description
Technical Field
The invention belongs to the technical field of machinery, and relates to a snap ring structure of a dry water meter.
Background
The biggest difference between dry and wet water meters is the metering mechanism. The impeller is separated from the sun gear, and the upper end of the impeller is coupled with the magnetic element (magnetic ring or columnar magnet) at the lower end of the sun gear. When the impeller is driven to rotate by the water flow, the central gear is driven to synchronously rotate by the attraction or repulsion of the magnetic element at the upper end of the impeller and the magnetic element at the lower end of the central gear, and the water quantity flowing through the water meter is recorded by the central transmission counter. The dry water meter is isolated from the measured water, so that the dry water meter is not influenced by suspended impurities in the water, the normal operation of the counting mechanism and the clear reading of the counting mechanism are ensured, and the phenomenon that fog or condensed water drops below glass are caused by the temperature difference inside and outside the meter to influence the reading of the water meter like a wet water meter is avoided.
The present dry water meter, for example, chinese patent application (application number 200420088723.3) discloses an improved structure of dry water meter, including counter assembly and water meter seat, be equipped with the metal ring between counter assembly and the water meter seat, this metal ring inner wall is equipped with the draw-in groove of joint counter assembly and water meter seat, and counter assembly bottom and water meter seat upper portion are equipped with the flange that the cooperation draw-in groove used respectively, and the metal ring comprises left and right sides two parts to it is articulated through the bolt. The split type metal ring structure is adopted to the snap ring of this water gauge and is articulated through the round pin axle and lead seal the line carries out the lead seal, has solved plastics snap ring and has come off easily, and material itself is ageing easily, and is easily by artificial dismantlement when using, leads to the water gauge to damage and the inaccurate problem of count. However, the snap ring structure of the water meter still has the following defects: 1. during installation, one ends of the left part and the right part of the metal ring are hinged with the pin holes of the corresponding pins through the pins, a ring buckle is movably installed on the pin holes of the corresponding pins, then the counter assembly is clamped with the convex edge of the water meter seat body and the clamping groove of the metal ring, then the other end of the counter assembly is hinged with the pins, the ring buckle is movably installed on the corresponding pin holes, finally lead sealing is carried out through lead sealing wires, and the installation procedure is complicated. And lead sealing line is the through-hole that passes the ring buckle respectively and pinhole carry out the lead sealing during the installation, must guarantee that the through-hole of ring buckle aligns with the pinhole, simultaneously because the bolt also is the bolt in the pinhole, namely behind the through-hole of lead sealing window ring buckle, still need pass the clearance between bolt and the pinhole inner wall, and the bolt is by the ring buckle axial positioning again, consequently the through-hole of ring buckle needs be less than the external of round pin axle, consequently this has brought great inconvenience for the wearing of lead sealing line, leads to the installation effectiveness lower, and the metal material itself is more expensive, required cost is high.
Disclosure of Invention
The invention aims at solving the problems in the prior art, and provides a snap ring structure of a dry water meter, which aims at solving the technical problems that: how to improve the convenience of installation.
The aim of the invention can be achieved by the following technical scheme: the utility model provides a snap ring structure of dry-type water gauge, includes the ring body, its characterized in that, the ring body adopts plastic materials to make and is the opening form, have a plurality of fixture blocks first and a plurality of fixture blocks second of distributing along ring body circumference on the inner wall of ring body along ring body circumference, fixture block first and fixture block second are the interval setting about and the flange of water gauge counter and the flange homoenergetic joint of water gauge pedestal be in between fixture block first and the fixture block second, still be equipped with on the outer wall of ring body and be used for supplying the fixed joint groove of joint sand grip joint on the table cover inner wall, the opening part of ring body still is equipped with and is used for supplying the lead seal line to pass the lead seal hole that realizes the lead seal.
This snap ring structure is anti its way and moves, directly adopt plastic materials to the ring body to the design is the structure of opening form, cooperates the structural design of ring body inner wall fixture block first and fixture block second and the structural design of joint groove on the outer wall, simultaneously, only need set up the joint sand grip on the inner wall of current table cover, install the back on the water gauge, because the ring body is directly established by the cover in the table cover, be difficult for taking place the ageing condition of plastics, be by inside and outside quilt centre gripping spacing after forming the joint between ring body and the table cover simultaneously, and realize the lead seal through the lead seal line, can not take place to drop, also hardly realize artificial dismantlement, guaranteed the normal use of water gauge and not damaged and the accuracy of count. During installation, the ring body can be slightly pulled out of the opening by elastic deformation force of the plastic material, the ring body is sleeved on the water meter counter and the water meter seat body, the flange of the water meter counter and the flange of the water meter seat body are clamped between the first clamping block and the second clamping block, the water meter counter and the water meter seat body are positioned, then the meter cover is covered outside the ring body, the clamping convex strips on the inner wall of the meter cover and the clamping grooves on the outer wall of the ring body are clamped and fixed by pressing the meter cover through self deformation force, and lead sealing is realized by passing a lead sealing wire through a lead sealing hole. Meanwhile, the clamping gaps are designed to be of a spacing distribution structure of the first clamping blocks and the second clamping blocks, so that the clamping faces formed by the first clamping blocks and the second clamping blocks are discontinuous, and the ring body is easier to pull away from the opening for installation during installation, and the installation convenience is further improved. In addition, the whole ring body is made of plastic materials, so that the required cost is lower.
In the snap ring structure of the dry water meter, the first clamping blocks and the second clamping blocks are staggered, and the projections of the first clamping blocks and the second clamping blocks along the axial direction of the ring body form a complete circumference. Through foretell structural design for the stress that can bear about the ring body is more even, guarantees when the installation, is difficult for breaking when pulling open the ring body from the opening part, guarantees the normal clear of installation, improves the efficiency of installation. Meanwhile, the overall structural strength of the ring body is also increased, the ring body is not easy to disassemble, assemble and damage, and the ring body is convenient to manufacture and form.
In the above-mentioned snap ring structure of the dry water meter, the side surface of the second clamping block, which is close to the first clamping block, is a clamping surface, and the other side surface of the second clamping block, which is opposite to the clamping surface, is a step surface. Through foretell setting, improved the intensity and the rigidity of joint piece two itself, improved the stability after the installation, further guaranteed difficult coming off.
In the snap ring structure of the dry water meter, the bottom of the ring body is outwards turned over to form a flanging, an arc-shaped clamping protrusion is arranged on the outer wall of the ring body in a protruding mode, the clamping protrusion is arranged along the circumferential direction of the ring body, a plurality of protruding blocks are further arranged on the outer wall of the ring body in a protruding mode, the protruding blocks are distributed at intervals along the circumferential direction of the ring body, the upper side and the lower side of the protruding blocks are respectively connected with the clamping protrusion and the flanging, the clamping grooves are formed among the clamping protrusion, the protruding blocks and the flanging, and the top of the clamping protrusion is further provided with a guide surface which is obliquely arranged. Through above-mentioned setting, further increased the intensity of ring body, the table cover is established outside the ring body behind ring body and the joint of table cover more stable, difficult emergence drops. Meanwhile, due to the structural design that a plurality of discontinuous clamping grooves are matched with the guide surfaces, the watch cover can be clamped with the ring body more easily during installation, the installation convenience is further improved, and the guide surfaces can be correspondingly arranged on the clamping convex strips on the inner wall of the watch cover as the preferential mode. Preferably, the protruding block and the clamping protrusion are integrally formed.
In the snap ring structure of the dry water meter, the top of the first clamping block is flush with the top of the ring body, the bottom of the second clamping block is flush with the bottom of the ring body, a plurality of clamping grooves for clamping the clamping blocks on the water meter counter are further formed in the top of the ring body, and the clamping grooves and the first clamping blocks are staggered. Through foretell setting for stability after the ring body installation is better.
In the above-mentioned snap ring structure of the dry water meter, the two ends of the flange at the opening are provided with connecting portions formed by protruding outwards, and the lead seal Kong Kaishe is arranged on the connecting portions. Through foretell setting, guaranteed the intensity of lead sealing hole department, connecting portion protrusion setting simultaneously for the operating space of lead sealing hole department is bigger, and the lead sealing is carried out in the pass of the lead sealing line of being convenient for more, has further improved the convenience of installation.
In the snap ring structure of the dry water meter, the width of the flange along the radial direction of the ring body is larger than the width of the clamping protrusion along the radial direction of the ring body. Through foretell design for the lower border of table cover can support to lean on the turn-over after the installation, prevents to press the head, and the joint sand grip on the table cover inner wall breaks away from the draw-in groove downwards, has guaranteed smooth installation in place, has further improved the convenience of installation, has also avoided simultaneously because of pressing the damage of too much making the table cover.
Compared with the prior art, the snap ring structure of the dry water meter has the following advantages:
1. the ring body is directly made of plastic materials, so that the required cost is low, and the ring body is directly covered in the meter cover, so that the ageing condition of plastic is not easy to occur, meanwhile, the ring body and the meter cover are clamped and limited by the inside and the outside after being clamped and fixed, lead sealing is realized through lead sealing wires, falling off is avoided, artificial disassembly is difficult to realize, and the normal use of the water meter is not damaged and the counting accuracy is ensured.
2. The elastic deformation force of the plastic material can be directly utilized to slightly pull the ring body from the opening to be sleeved on the water meter counter and the water meter seat body, the flanges of the water meter counter and the water meter seat body are clamped in the clamping gap formed by the first clamping block and the second clamping block, the water meter counter and the water meter seat body are positioned, then the meter cover is covered outside the ring body, the clamping convex strips on the inner wall of the meter cover and the clamping grooves on the outer wall of the ring body are clamped and fixed by the deformation force of the pressing meter cover, and lead sealing is realized by passing lead sealing wires through lead sealing holes.
Drawings
Fig. 1 is a perspective view of a snap ring structure of the dry water meter.
Fig. 2 is a diagram showing the structure of the snap ring structure and the cover of the dry water meter.
In the figure, 1, a ring body; 1a, a first clamping block; 1b, clamping blocks II; 1b1, a step surface; 1c, a clamping groove; 1d, lead sealing the hole; 1e, flanging; 1e1, a connection portion; 1f, clamping the convex; 1f1, a guide surface; 1g, protruding blocks; 1h, clamping grooves; 2. and a watch case.
Detailed Description
The following are specific embodiments of the present invention and the technical solutions of the present invention will be further described with reference to the accompanying drawings, but the present invention is not limited to these embodiments.
As shown in fig. 1 and 2, the dry water meter comprises a water meter counter, a water meter base and a meter cover 2, wherein the bottom edge of the water meter counter and the top edge of the water meter base are provided with convex annular flanges, and the inner wall of the meter cover 2 is provided with convex clamping convex strips.
This snap ring structure, including ring body 1, ring body 1 adopts plastic materials to make and be the opening form, has a plurality of fixture blocks 1a and a plurality of fixture blocks 1b that distribute along ring body 1 circumference on ring body 1's the inner wall, and fixture block 1a and fixture block 1b are the interval setting about being and water meter counter and the flange of water meter pedestal can the joint between fixture block 1a and fixture block 1b, and the joint face that fixture block 1a and fixture block 1b formed is discontinuous, more easily with pull ring body 1 open from the opening part during the installation and install. The first clamping blocks 1a and the second clamping blocks 1b are staggered, the first clamping blocks 1a and the second clamping blocks 1b form a complete circumference along the axial projection of the ring body 1, so that the stress born by the ring body 1 is relatively uniform up and down, and the ring body 1 is prevented from being broken easily when being pulled open from an opening during installation. The side surface, close to the first clamping block 1a, of the second clamping block 1b is a clamping surface, and the other side surface, opposite to the clamping surface, of the second clamping block 1b is a step surface 1b1.
Specifically speaking, the top of fixture block 1a flushes with the top of ring body 1, and the bottom of fixture block 1b flushes with the bottom of ring body 1, and the top of ring body 1 still is equipped with a plurality of draw-in grooves 1h that are used for supplying the fixture block card income on the water meter counter, and draw-in groove 1h staggers with fixture block 1a each other and sets up.
The bottom of the ring body 1 is outwards folded to form a flange 1e, an arc-shaped clamping protrusion 1f is convexly arranged on the outer wall of the ring body 1, and the width of the flange 1e along the radial direction of the ring body 1 is larger than the width of the clamping protrusion 1f along the radial direction of the ring body 1. The convex 1f of card sets up along the circumference of ring body 1, and the outer wall of ring body 1 is gone up the protrusion and is provided with a plurality of lugs 1g, and a plurality of lugs 1g are followed the circumference interval distribution of ring body 1, and the upside and the convex 1f of card of lug 1g link as an organic wholely, and the downside is connected with turn-ups 1e, and forms joint groove 1c between convex 1f of card, lug 1g and the turn-ups 1e, and the joint sand grip that table cover 2 cover was established outside ring body 1 and on the inner wall of table cover 2 can the joint be fixed in joint groove 1 c. The top of the clamping convex 1f is also provided with a guiding surface 1f1 which is obliquely arranged. In this embodiment, the number of the snap protrusions 1f is 2 and symmetrically distributed along the axial direction of the ring body 1. The two ends of the turnup 1e, which are positioned at the opening, are provided with connecting parts 1e1 which are formed by outwards protruding, and the connecting parts 1e1 are also provided with lead sealing holes 1d for lead sealing wires to pass through to realize lead sealing.
During installation, the ring body 1 can be slightly pulled out of the opening by elastic deformation force of the plastic material, and sleeved on the water meter counter and the water meter seat body, the flange of the water meter counter and the water meter seat body is clamped between the first clamping block 1a and the second clamping block 1b, the water meter counter and the water meter seat body are positioned, then the meter cover 2 is covered outside the ring body 1, the meter cover 2 is pressed, the clamping convex strip on the inner wall of the meter cover 2 and the clamping groove 1c on the outer wall of the ring body 1 form clamping fixation by matching the self deformation force with the guide surface on the clamping convex 1f, and lead sealing is realized by passing the lead sealing hole 1d through the lead sealing wire. After installation, because ring body 1 is directly covered in table cover 2, the ageing condition of difficult emergence plastics forms simultaneously between ring body 1 and the table cover 2 and is fixed the back by inside and outside quilt centre gripping spacing to realize the lead seal through the lead seal line, can not take place to drop, also hardly realize artificial dismantlement, guaranteed the normal use of water gauge and not damaged and the accuracy of count.
The specific embodiments described herein are offered by way of example only to illustrate the spirit of the invention. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions thereof without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.
Claims (7)
1. The utility model provides a snap ring structure of dry-type water gauge, includes ring body (1), its characterized in that, ring body (1) adopts plastic materials to make and be the opening form, have a plurality of fixture blocks first (1 a) and a plurality of fixture blocks second (1 b) of following ring body (1) circumference distribution on the inner wall of ring body (1) along ring body (1) circumference distribution, fixture block first (1 a) and fixture block second (1 b) are the interval setting about and the flange of water gauge counter and the flange of water gauge pedestal homoenergetic joint be in between fixture block first (1 a) and fixture block second (1 b), still be equipped with on the outer wall of ring body (1) and be used for supplying the joint sand grip joint fixed joint groove (1 c) on table cover (2) inner wall, and press the table cover through the deformation power of self can make the joint groove joint on table cover inner wall and the ring body outer wall of ring body be fixed by the joint groove joint, make the ring body cover establish in the table cover directly, the opening part of ring body (1) still is equipped with and is used for supplying and passes the lead sealing hole (1 d) of realizing the lead sealing.
2. The snap ring structure of a dry water meter according to claim 1, wherein the first clamping blocks (1 a) and the second clamping blocks (1 b) are staggered, and the projections of the first clamping blocks (1 a) and the second clamping blocks (1 b) along the axial direction of the ring body (1) form a complete circumference.
3. The snap ring structure of a dry water meter according to claim 2, wherein a side of the second fixture block (1 b) close to the first fixture block (1 a) is a clamping surface, and the other side of the second fixture block (1 b) opposite to the clamping surface is a step surface (1 b 1).
4. The snap ring structure of a dry water meter according to claim 1, 2 or 3, wherein a flange (1 e) is formed by outwards turning the bottom of the ring body (1), an arc-shaped clamping protrusion (1 f) is convexly arranged on the outer wall of the ring body (1), the clamping protrusion (1 f) is circumferentially arranged along the ring body (1), a plurality of protruding blocks (1 g) are convexly arranged on the outer wall of the ring body (1), the protruding blocks (1 g) are circumferentially distributed at intervals along the ring body (1), the upper side and the lower side of the protruding blocks (1 g) are respectively connected with the clamping protrusion (1 f) and the flange (1 e), the clamping protrusion (1 f), the protruding blocks (1 g) and the flange (1 e) form the clamping groove (1 c), and the top of the clamping protrusion (1 f) is further provided with a guiding surface (1 f 1) which is obliquely arranged.
5. The snap ring structure of a dry water meter according to claim 3, wherein the top of the first clamping block (1 a) is flush with the top of the ring body (1), the bottom of the second clamping block (1 b) is flush with the bottom of the ring body (1), a plurality of clamping grooves (1 h) for clamping the clamping blocks on the water meter counter are further formed in the top of the ring body (1), and the clamping grooves (1 h) and the first clamping blocks (1 a) are staggered.
6. The snap ring structure of a dry water meter according to claim 4, wherein the two ends of the flange (1 e) at the opening are provided with connecting parts (1 e 1) protruding outwards, and the lead sealing hole (1 d) is formed on the connecting parts (1 e 1).
7. The snap ring structure of a dry water meter according to claim 6, wherein the width of the flange (1 e) along the radial direction of the ring body (1) is larger than the width of the snap protrusion (1 f) along the radial direction of the ring body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811623875.1A CN109443475B (en) | 2018-12-28 | 2018-12-28 | Snap ring structure of dry-type water meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811623875.1A CN109443475B (en) | 2018-12-28 | 2018-12-28 | Snap ring structure of dry-type water meter |
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| Publication Number | Publication Date |
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| CN109443475A CN109443475A (en) | 2019-03-08 |
| CN109443475B true CN109443475B (en) | 2024-03-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201811623875.1A Active CN109443475B (en) | 2018-12-28 | 2018-12-28 | Snap ring structure of dry-type water meter |
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| CN (1) | CN109443475B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110530444B (en) * | 2019-08-30 | 2024-05-28 | 三川智慧科技股份有限公司 | Dry-type non-magnetic NB-IOT water meter |
| CN111473830A (en) * | 2020-05-22 | 2020-07-31 | 广东康宝莱智慧水务有限公司 | Wireless remote transmission device mounting structure of mechanical water meter |
| CN111811600A (en) * | 2020-08-03 | 2020-10-23 | 安徽翼迈科技股份有限公司 | Mounting structure of passive photoelectric direct-reading meter |
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| DE102006045325A1 (en) * | 2006-09-22 | 2008-04-03 | Hydrometer Gmbh | Water meter housing, has outer and inner housing parts made from plastic and provided for limiting accommodating area for measuring unit, where housing parts are connected with one another by connection unit |
| JP2014055828A (en) * | 2012-09-12 | 2014-03-27 | Toshin Corp | Dry water meter |
| CN104019861A (en) * | 2014-06-13 | 2014-09-03 | 杭州水表有限公司 | Water meter capable of being provided with remote transmission module, remote transmission module, and water meter provided with remote transmission module |
| CN204514406U (en) * | 2015-04-02 | 2015-07-29 | 张开领 | Intelligent water meter sender circle |
| CN207585689U (en) * | 2017-12-15 | 2018-07-06 | 温岭甬岭水表有限公司 | Photoelectric direct-reading wired multi-stream water meter |
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| CN209055176U (en) * | 2018-12-28 | 2019-07-02 | 温岭甬岭水表有限公司 | A kind of Snap ring structure of dry-type meter |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10306873B4 (en) * | 2003-02-19 | 2006-05-04 | Hydrometer Gmbh | Water meter with outside sealed measuring insert |
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|---|---|---|---|---|
| CH696981A5 (en) * | 2003-02-03 | 2008-02-29 | Aquametro Ag | Sealing device for use in flow meter, has lead seal that is designed as ring-shaped sealing unit made of plastic and encloses partial areas of two housings of flow meter in connection areas to extend entire circumference of housings |
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| DE102006045325A1 (en) * | 2006-09-22 | 2008-04-03 | Hydrometer Gmbh | Water meter housing, has outer and inner housing parts made from plastic and provided for limiting accommodating area for measuring unit, where housing parts are connected with one another by connection unit |
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| CN209055176U (en) * | 2018-12-28 | 2019-07-02 | 温岭甬岭水表有限公司 | A kind of Snap ring structure of dry-type meter |
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| Publication number | Publication date |
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| CN109443475A (en) | 2019-03-08 |
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