CN203011456U - Water meter - Google Patents
Water meter Download PDFInfo
- Publication number
- CN203011456U CN203011456U CN 201220748789 CN201220748789U CN203011456U CN 203011456 U CN203011456 U CN 203011456U CN 201220748789 CN201220748789 CN 201220748789 CN 201220748789 U CN201220748789 U CN 201220748789U CN 203011456 U CN203011456 U CN 203011456U
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- water meter
- latch segment
- projection
- watch glasses
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Abstract
The utility model provides a water meter, belongs to the technical field of water meter manufacture, and solves the problem that the meter cover and the shell of the existing water meter are likely to disengage from each other in swaying due to the connecting way, so that the connecting structure is not so firm. The water meter comprises a shell with a cylindrical boss and a meter cage with a cylindrical cavity, wherein the meter cage can be sleeved on the cylindrical boss on the shell; a catching groove is formed in the cavity wall of the meter cage; the cylindrical boss is provided with a convex block which can be embedded into the catching groove when the meter cage is rotated circumferentially; and the meter shell is also provided with a fixing structure for fixing the convex block. After the convex block is embedded into the catching groove, the meter cage is restricted to a certain degree in both the axial and circumferential directions, thereby increasing the connection firmness.
Description
Technical field
The utility model belongs to water meter manufacturing technology field, relates to a kind of water meter.
Background technology
Existing water meter top and the bottom are with being threaded, comprise watchcase, watch glasses, dust cap, pipe adapter, attaching nut, watchcase is comprised of two parts of symmetry, its junction can be tenon type structure, perhaps joining seam structure, can be also hook head structure, between perhaps plane docking structure, and two parts watchcase by bonding connection; Watchcase top arranges outer square thread, is connected with the interior square thread that arranges on watch glasses.
China is a lack of water big country, and using water wisely is listed in intensified program by country.Because existing water meter does not have anti-disassembling device, easily water meter cover is opened the mileometer adjustment pin and steal water, or simply water meter is unloaded down water steathily, the phenomenon that causes losing water is very serious, causing tap water constantly to appreciate is one of its factor, has wasted human resource and has caused very large economic loss to country to water-supplying unit again.
people have designed a lot of Anti-dismantling water meter cases for this reason, dripping prevention energy-saving watermeter [application number: 02210810.6] as the Chinese patent announcement, include check valve mechanism, two metering impeller gear trains, screen pack, antimagnetic division board, the mechanical water meter counter, the Anti-dismantling interlocked rings, water meter case with diversion trench forms, outside water meter case and between table cover, relative position has interlock slot, interlocked rings is installed in interlock slot, interlocked rings is that resilient material is made, first interlocked rings is enclosed within the outer interlock slot of water meter case, compress interlocked rings, table cover is buckled, until interlocked rings is bound in the table cover interlock slot, just table cover and water meter case interlocking are integrated, amateur member can only destructiveness open, prevent that illegal people from privately taking water meter cover apart and alloting indicator and steal water thereby played.But the connected mode of this table cover and housing is easily being rocked middle disengaging, makes syndeton firm not.
Summary of the invention
The purpose of this utility model is to have the problems referred to above for existing technology, has proposed a kind of syndeton that improves water meter case degree of being connected firmly.
The purpose of this utility model can realize by following technical proposal: a kind of water meter, this water meter comprises the housing with cylinder boss and the watch glasses with cylindrical cavity, described watch glasses can be enclosed within on the cylinder boss of housing, it is characterized in that, described watch glasses internal chamber wall is provided with catching groove, have the projection that can embed catching groove when rotating in a circumferential direction watch glasses on described cylinder boss, also be provided with on described watch glasses for the fixing fixed sturcture of projection.
Watch glasses is enclosed within on housing, rotates watch glasses, the projection on housing is embedded in the catching groove of watch glasses inner chamber.Reverse watch glasses this moment, and projection will withdraw from from catching groove, so also be provided with fixed sturcture on watch glasses, fixed sturcture can prevent that projection breaks away from catching groove, reaches the purpose of locking watch glasses and housing.Can effectively improve the degree of being connected firmly of water meter by fixed sturcture, prevent someone the watch glasses stolen water that reverses.
In above-mentioned water meter, described fixed sturcture comprises the draw-in groove that is opened on watch glasses and the latch segment that can insert draw-in groove, and described latch segment and projection lean.In after projection embeds catching groove, latch segment being inserted draw-in groove, latch segment can block projection, prevents that projection breaks away from catching groove, reaches fixing purpose.
As another kind of scheme, in above-mentioned water meter, described fixed sturcture comprises the draw-in groove that is opened on watch glasses and the latch segment that can insert draw-in groove, and described latch segment and projection lean; Also be provided with elastic supporting bar on described watch glasses internal chamber wall, described elastic supporting bar one end is resisted against on watch glasses, and the other end can lean with the sidewall of latch segment.Elastic supporting bar is used for the extruding latch segment, offsets the power of bestowing latch segment when projection retreats, increases simultaneously the friction force of draw-in groove wall and latch segment, prevents that latch segment breaks away from draw-in groove easily.
In above-mentioned water meter, offer arc groove on described watch glasses internal chamber wall, described elastic supporting bar is curved and be positioned at arc groove.Elastic supporting bar is arranged in arc groove, is not easy to break away from also to be not easy to be found by the lawless person.
In above-mentioned water meter, described latch segment has the gear edge of downward protrusion, and described gear edge is in the opening part of catching groove with the catching groove shutoff after latch segment inserts in draw-in groove.After latch segment inserted draw-in groove, the gear of lower end was along leaning with projection, and when preventing the watch glasses reverse, projection breaks away from from catching groove.
In above-mentioned water meter, described latch segment sidewall also has the shoulder block of protrusion, and the upper surface of described shoulder block and projection leans after latch segment inserts draw-in groove.For preventing being absorbed in too deeply or directly passing draw-in groove after latch segment from inserting draw-in groove, the shoulder block of latch segment and the upper surface of projection lean, and utilize projection to support latch segment.
In above-mentioned water meter, the inwall of described draw-in groove all with each side phase close-fitting of latch segment.Draw-in groove and latch segment are complementary, and prevent that latch segment from rocking in draw-in groove, also improve the firmness of latch segment, prevent the latch segment draw-in groove that slips away.
In above-mentioned water meter, the opening part of described catching groove has the guiding projection and enters inclined-plane in catching groove.The inclined-plane is used for the guiding projection, facilitates projection to slip in catching groove.
In above-mentioned water meter, described projection has 3-6 and circumferentially is distributed on the cylinder of cylinder boss, and described catching groove is corresponding one by one with quantity, the position of projection.3-6 projection combines with corresponding catching groove, improves the degree of being connected firmly of housing and watch glasses.
Compared with prior art, this water meter has the following advantages:
1. simple in structure, be connected firmly, each parts can separate separately to be made.
2. easy for installation, do not need other aids.
3. after projection embeds catching groove, all watch glasses is played certain position-limiting action on axial and circumferential, improve the firmness that connects.
Description of drawings
Fig. 1 is the wiring layout of this water meter case.
Fig. 2 is the structural representation of this water meter middle shell.
Fig. 3 is the structural representation of watch glasses in this water meter.
Fig. 4 is the rigging position graph of a relation of this watch glasses, latch segment, elastic supporting bar.
Fig. 5 is the rigging position graph of a relation of projection, latch segment, elastic supporting bar.
In figure, 1, housing; 2, watch glasses; 2a, arc groove; 3, projection; 4, catching groove; 4a, inclined-plane; 5, latch segment; 5a, the gear edge; 5b, shoulder block; 6, draw-in groove; 7, elastic supporting bar.
Embodiment
Be below specific embodiment of the utility model and by reference to the accompanying drawings, the technical solution of the utility model is further described, but the utility model be not limited to these embodiment.
As Fig. 1, Fig. 2, Fig. 3, shown in Figure 4, this water meter comprises the housing 1 with cylinder boss and the watch glasses 2 with cylindrical cavity, and watch glasses 2 can be enclosed within on the cylinder boss of housing 1.This water meter comprises the catching groove 4 that is located on watch glasses 2 internal chamber walls, has the projection 3 that can embed catching groove 4 when rotating in a circumferential direction watch glasses 2 on cylinder boss, and water meter also comprises the draw-in groove 6 that is opened on watch glasses 2, is provided with in draw-in groove 6 to prevent that projection 3 breaks away from the latch segment 5 of catching groove 4.
For strengthening the firmness of latch segment 5, also be provided with elastic supporting bar 7 on watch glasses 2 internal chamber walls, elastic supporting bar 7 one ends are resisted against on watch glasses 2, and the other end can lean with the sidewall of latch segment 5.Offer arc groove 2a on watch glasses 2 internal chamber walls, elastic supporting bar 7 is curved and be positioned at arc groove 2a.
Specifically, as shown in Figure 5, latch segment 5 has the gear of downward protrusion along 5a, is in the opening part of catching groove 4 along 5a with catching groove 4 shutoff when latch segment 5 inserts the interior backstop of draw-in groove 6.Latch segment 5 sidewalls also have the shoulder block 5b of protrusion, and the upper surface of shoulder block 5b and projection 3 leans after latch segment 5 inserts draw-in groove 6.The inwall of draw-in groove 6 all with each side phase close-fitting of latch segment 5, make latch segment 5 be not easy to break away from draw-in groove 6, and latch segment 5 just flushes after inserting draw-in grooves 6 with the periphery of watch glasses 2, do not affect the attractive in appearance of watch glasses 2.
The opening part of catching groove 4 has the inclined-plane 4a that facilitates projection 3 to slip into, can fast automatic joint during installation.Projection 3 has 3-6 and circumferentially is distributed on the cylinder of cylinder boss, and catching groove 4 is corresponding one by one with quantity, the position of projection 3, and in the present embodiment, projection 3 and catching groove 4 are 4.
During installation, first latch segment 5 and elastic supporting bar 7 tentatively are positioned on the precalculated position of watch glasses 2, then watch glasses 2 are buckled on the round boss of housing 1, rotate watch glasses 2, be embedded into catching groove 4 fully until projection 3 and latch segment 5 be pressed in draw-in groove 6 fully after interior, complete assembling.
Detachable in order to realize, can open a through hole on latch segment 5, the lead sealing of lead sealing line is arranged in watch glasses 2 a built-in system, an end of lead sealing line passes through hole and hangs over watch glasses 2 outsides.Just can strain the lead sealing line when dismantling like this, lead sealing is extracted draw-in groove 6 together with latch segment 5.As find that the lead sealing line has crack conditions, illustrate that this water meter torn open steathily by others.
Specific embodiment described herein is only to the explanation for example of the utility model spirit.The utility model person of ordinary skill in the field can make various modifications or replenishes or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present utility model or surmount the defined scope of appended claims.
Although this paper has more used housing 1, watch glasses 2, arc groove 2a, projection 3, catching groove 4, inclined-plane 4a, latch segment 5, gear along terms such as 5a, shoulder block 5b, draw-in groove 6, elastic supporting bars 7, do not get rid of the possibility of using other term.Using these terms is only in order to describe more easily and explain essence of the present utility model; They are construed to any additional restriction is all contrary with the utility model spirit.
Claims (9)
1. water meter, water meter comprises the housing (1) with cylinder boss and the watch glasses (2) with cylindrical cavity, described watch glasses (2) can be enclosed within on the cylinder boss of housing (1), it is characterized in that, described watch glasses (2) internal chamber wall is provided with catching groove (4), have the projection (3) that can embed catching groove (4) when the watch glasses that rotates in a circumferential direction (2) on described cylinder boss, also be provided with on described watch glasses (2) for the fixing fixed sturcture of projection (3).
2. water meter according to claim 1, is characterized in that, described fixed sturcture comprises the draw-in groove (6) that is opened on watch glasses (2) and the latch segment (5) that can insert draw-in groove (6), and described latch segment (5) leans with projection (3).
3. water meter according to claim 1, is characterized in that, described fixed sturcture comprises the draw-in groove (6) that is opened on watch glasses (2) and the latch segment (5) that can insert draw-in groove (6), and described latch segment (5) leans with projection (3); Also be provided with elastic supporting bar (7) on described watch glasses (2) internal chamber wall, described elastic supporting bar (7) one ends are resisted against on watch glasses (2), and the other end can lean with the sidewall of latch segment (5).
4. the syndeton of water meter case according to claim 3 (1), is characterized in that, offers arc groove (2a) on described watch glasses (2) internal chamber wall, and described elastic supporting bar (7) is curved and be positioned at arc groove (2a).
5. according to claim 2 or 3 or 4 described water meters, it is characterized in that, the gear that described latch segment (5) has a downward protrusion is along (5a), in latch segment (5) inserts draw-in groove (6) after described gear edge (5a) be in the opening part of catching groove (4) with catching groove (4) shutoff.
6. water meter according to claim 5, is characterized in that, described latch segment (5) sidewall also has the shoulder block (5b) of protrusion, and described shoulder block (5b) leans with the upper surface of projection (3) after latch segment (5) inserts draw-in groove (6).
7. water meter according to claim 6, is characterized in that, the inwall of described draw-in groove (6) all with each side phase close-fitting of latch segment (5).
8. water meter according to claim 7, is characterized in that, the opening part of described catching groove (4) has guiding projection (3) and enters inclined-plane (4a) in catching groove (4).
9. water meter according to claim 8, is characterized in that, described projection (3) has 3-6 and circumferentially is distributed on the cylinder of cylinder boss, and described catching groove (4) is corresponding one by one with quantity, the position of projection (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220748789 CN203011456U (en) | 2012-12-29 | 2012-12-29 | Water meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220748789 CN203011456U (en) | 2012-12-29 | 2012-12-29 | Water meter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203011456U true CN203011456U (en) | 2013-06-19 |
Family
ID=48603042
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220748789 Expired - Fee Related CN203011456U (en) | 2012-12-29 | 2012-12-29 | Water meter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203011456U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104048719A (en) * | 2014-06-30 | 2014-09-17 | 江苏赛达电子科技有限公司 | Water meter |
| CN104075767A (en) * | 2014-07-21 | 2014-10-01 | 江苏赛达电子科技有限公司 | Split type water meter provided with seal chamber |
| CN106017595A (en) * | 2016-06-08 | 2016-10-12 | 昆山龙铭科技电子技术有限公司 | Intelligent monitoring water meter and meter reading system |
| CN107515021A (en) * | 2017-08-07 | 2017-12-26 | 金卡智能集团股份有限公司 | Knob antiwithdrawal device, gauge table and its metering system applied to metering system |
| CN109798948A (en) * | 2018-12-29 | 2019-05-24 | 连云港连利·福思特表业有限公司 | A kind of unobstructed no magnetic message-reporting water meter of rotary wing dry-type multi-streaming |
| CN110160592A (en) * | 2019-06-04 | 2019-08-23 | 成都市穆尔西仪表科技有限公司 | A kind of remote transmitting water meter of anti-electromagnetic interference |
| CN111895816A (en) * | 2020-08-27 | 2020-11-06 | 北京凌顶科技有限公司 | heat recovery device |
| CN113390483A (en) * | 2021-05-25 | 2021-09-14 | 深圳市华旭科技开发有限公司 | NB-IoT (network B-IoT) Internet of things water meter with anti-dismantling structure |
-
2012
- 2012-12-29 CN CN 201220748789 patent/CN203011456U/en not_active Expired - Fee Related
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104048719A (en) * | 2014-06-30 | 2014-09-17 | 江苏赛达电子科技有限公司 | Water meter |
| CN104048719B (en) * | 2014-06-30 | 2017-06-20 | 江苏赛达电子科技有限公司 | A kind of water meter |
| CN104075767A (en) * | 2014-07-21 | 2014-10-01 | 江苏赛达电子科技有限公司 | Split type water meter provided with seal chamber |
| CN106017595A (en) * | 2016-06-08 | 2016-10-12 | 昆山龙铭科技电子技术有限公司 | Intelligent monitoring water meter and meter reading system |
| CN107515021A (en) * | 2017-08-07 | 2017-12-26 | 金卡智能集团股份有限公司 | Knob antiwithdrawal device, gauge table and its metering system applied to metering system |
| CN107515021B (en) * | 2017-08-07 | 2019-08-20 | 金卡智能集团股份有限公司 | Knob antiwithdrawal device, gauge table and its metering system applied to metering system |
| CN109798948A (en) * | 2018-12-29 | 2019-05-24 | 连云港连利·福思特表业有限公司 | A kind of unobstructed no magnetic message-reporting water meter of rotary wing dry-type multi-streaming |
| CN110160592A (en) * | 2019-06-04 | 2019-08-23 | 成都市穆尔西仪表科技有限公司 | A kind of remote transmitting water meter of anti-electromagnetic interference |
| CN110160592B (en) * | 2019-06-04 | 2020-07-14 | 成都市穆尔西仪表科技有限公司 | Electromagnetic interference resistant remote water meter |
| CN111895816A (en) * | 2020-08-27 | 2020-11-06 | 北京凌顶科技有限公司 | heat recovery device |
| CN113390483A (en) * | 2021-05-25 | 2021-09-14 | 深圳市华旭科技开发有限公司 | NB-IoT (network B-IoT) Internet of things water meter with anti-dismantling structure |
| CN113390483B (en) * | 2021-05-25 | 2024-03-29 | 深圳市华旭科技开发有限公司 | NB-IoT internet of things water meter with anti-dismantling structure |
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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: 20130619 Termination date: 20171229 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |