CN112268593A - Anti-dismantling structure of water meter metering system - Google Patents

Anti-dismantling structure of water meter metering system Download PDF

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Publication number
CN112268593A
CN112268593A CN202011021028.5A CN202011021028A CN112268593A CN 112268593 A CN112268593 A CN 112268593A CN 202011021028 A CN202011021028 A CN 202011021028A CN 112268593 A CN112268593 A CN 112268593A
Authority
CN
China
Prior art keywords
block
locking
limiting
water meter
shell
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202011021028.5A
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Chinese (zh)
Inventor
廖杰
刘国庆
吴开鹏
杨小飞
刘华亮
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hunan Changde Water Meter Manufacture Co Ltd
Original Assignee
Hunan Changde Water Meter Manufacture Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hunan Changde Water Meter Manufacture Co Ltd filed Critical Hunan Changde Water Meter Manufacture Co Ltd
Priority to CN202011021028.5A priority Critical patent/CN112268593A/en
Publication of CN112268593A publication Critical patent/CN112268593A/en
Pending legal-status Critical Current

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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01FMEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F15/00Details 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
    • G01F15/14Casings, e.g. of special material

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  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Measuring Volume Flow (AREA)

Abstract

The invention belongs to the field of water meters, and particularly relates to a disassembly-preventing structure of a water meter metering system, which comprises a fixed retainer ring and a disassembly-preventing shell, wherein the fixed retainer ring is arranged between dial plate glass and a water meter shell, the disassembly-preventing shell is sleeved on the water meter shell, the inner ring of the fixed retainer ring is at least provided with a locking groove, the disassembly-preventing shell is provided with a locking block correspondingly matched with the locking groove, the locking groove and the locking block are provided with clamping inclined blocks matched with each other, and the locking block is clamped and locked by the clamping inclined blocks after being screwed in along the locking groove. After the block locking, the user does not have operating space to dismantle the anti-disassembly shell, simple to operate, and simple structure is reliable.

Description

Anti-dismantling structure of water meter metering system
Technical Field
The invention belongs to the field of water meters, and particularly relates to a disassembly-preventing structure of a water meter metering system.
Background
At present, the product is of a great variety in the water meter industry, the assembly and disassembly structure of a common water meter is simple, unsafe factors are brought to the use of the water meter while convenience is brought, partial users pay water fees for reducing, the water meter can be disassembled illegally, and the detachable part of the water meter can be taken down by themselves, so that the metering function cannot be realized in the normal use process of the water meter, the loss is brought to water supply departments, and the waste of water resources is also caused.
There are a lot of at present in order to prevent that the user from destroying the disposable of water gauge design and preventing dismouting and put, but generally destroy the back and cause irreversible damage to the water gauge body, cause the wasting of resources easily, and the assembling process is loaded down with trivial details simultaneously, and the structure is complicated, and is with high costs.
Disclosure of Invention
The invention aims to provide an anti-disassembly structure of a water meter metering system, which is simple in structure and convenient and fast to install.
The anti-disassembly water meter comprises a fixing clamping ring and an anti-disassembly shell, wherein the fixing clamping ring is arranged between dial glass and a water meter shell, the anti-disassembly shell is sleeved on the water meter shell, at least one locking groove is formed in the inner ring of the fixing clamping ring, a locking block correspondingly matched with the locking groove is arranged on the anti-disassembly shell, clamping inclined blocks matched with each other are arranged on the locking groove and the locking block, and the locking block is clamped and locked through the clamping inclined blocks after being screwed in along the locking groove.
Furthermore, the locking groove includes stopper I, spacing piece and stopper II of indulging that connects gradually, and stopper I and stopper II are parallel with dial plate glass surface, and the locking on the locking groove ends sloping block I and sets up on stopper I and/or stopper II, ends sloping block I and sets up towards stopper II and/or stopper I, ends sloping block I and is close to spacing piece one side of indulging and is higher than the opposite side.
Furthermore, the locking block comprises a matching strip matched with the locking groove, and the locking block is provided with a clamping inclined block II which is arranged on one side or two sides of the matching strip.
Furthermore, the locking grooves and the locking blocks are arranged in 4-6 groups along the axis of the dial glass in an annular array.
Furthermore, be provided with the boss on the dial plate glass, boss one side is provided with the rand spacing groove, locking groove one side and rand spacing groove joint cooperation.
Furthermore, the anti-dismantling shell comprises a sleeved outer ring, a connecting plate and a matched inner ring, and the locking block is arranged on one side, close to the sleeved outer ring, of the matched inner ring.
Furthermore, the outside of the water meter shell is provided with a limiting clamping groove along the axis direction of the dial plate glass, and the inner side of the anti-dismantling shell is provided with a limiting elastic sheet corresponding to the limiting clamping groove.
Furthermore, the limiting clamping grooves and the limiting elastic sheets are arranged in 4-6 groups in an annular array along the axis of the dial glass.
Furthermore, the locking groove includes stopper I and stopper II parallel with dial plate glass surface, and the locking is blocked on the locking groove and is blocked sloping block I and set up on stopper I and/or stopper II, blocks I and set up towards stopper II and/or stopper I, blocks I and is close to spacing indulge a side and be higher than the opposite side to the sloping block.
Furthermore, the dial plate glass is connected with the metering system through a dial plate positioning block and a dial plate positioning groove in a clamped mode, the fixing clamping ring is connected with the dial plate glass through a limiting hole and a limiting column in a clamped mode, and the water meter shell is in threaded connection with the water meter body.
The invention has the advantages that the fixing retainer ring is arranged between the dial plate glass and the water meter shell, at least one locking groove is arranged on the inner ring of the fixing retainer ring, the anti-dismantling shell sleeved on the water meter shell is additionally arranged, the locking block matched with the locking groove is arranged on the anti-dismantling shell, so that the anti-dismantling shell is clamped and locked with the fixing retainer ring arranged between the dial plate glass and the water meter shell, after the clamping and locking, a user does not have an operating space to dismantle the anti-dismantling shell and cannot unscrew the water meter shell through rotating the anti-dismantling shell, thereby preventing the user from dismantling and damaging the metering system, the invention has simple integral structure, only needs to be pressed and rotated when the anti-dismantling shell is installed, is convenient to install, has simple and reliable structure, and in addition, the anti-dismantling structure is a one-time use anti-dismantling structure, but only needs to destroy the anti-dismantling shell when the water meter is not needed to be dismantled under the condition that, resource waste is avoided.
Drawings
Fig. 1 is an exploded view of the present invention.
Fig. 2 is a partial enlarged view of a portion a in fig. 1.
Fig. 3 is a schematic structural view of the tamper-evident housing of the present invention.
Fig. 4 is a partially enlarged view of fig. 3 at B.
Fig. 5 is a schematic view of a locking groove and a locking block in cooperation.
FIG. 6 is a schematic view of another configuration of the locking groove and locking block of the present invention.
Fig. 7 is a schematic diagram of the matching between the limiting elastic sheet and the limiting clamping groove in the invention.
Fig. 8 is an exploded view of the water meter body, metering system and dial plate glass of the present invention.
In the figure, 1-water meter body; 101-external threads; 2-a metering system; 201-dial positioning groove; 3-dial glass; 301-boss; 302-a collar retaining groove; 303-limiting columns; 304-dial locating block; 4-a retaining collar; 401-mating convex ring; 402-a locking groove; 4021-a limiting block I; 4022-a limiting longitudinal block; 4023-a limiting block II; 4024-clamping inclined block I; 403-a limiting hole; 5-a gasket; 6-water meter shell; 601-internal threads; 602-a limiting card slot; 7-anti-disassembly shell; 701-fitting an inner ring; 702-a lockout block; 7021-mating strips; 7022-clamping oblique block II; 703-limit spring.
Detailed Description
As shown in fig. 1 to 8, the present invention includes a fixing collar 4 and an anti-disassembly casing 7, the fixing collar 4 is disposed between a dial plate glass 3 and a water meter casing 6, the anti-disassembly casing 7 is sleeved on the water meter casing 6, an inner ring of the fixing collar 4 is at least provided with one locking groove 402, the anti-disassembly casing 7 is provided with a locking block 702 correspondingly matched with the locking groove 402, the locking groove 402 and the locking block 702 are provided with locking oblique blocks matched with each other, and the locking block 702 is locked by the locking oblique blocks after being screwed in along the locking groove 402.
At present, the water meter generally includes a water meter body 1, a metering system 2 disposed in the water meter body 1, a dial glass 3 disposed on the water meter body 1 corresponding to the metering system 2, and a water meter housing 6 for fixing the metering system 2 and the dial glass 3, generally, an internal thread 601 is disposed on the water meter housing 6, an external thread 101 is disposed on the water meter body 1, the metering system 2 is tightly fixed inside the water meter body 1 by screwing the water meter housing 6 into the dial glass 3, but by adopting the fixing mode, the water meter is easily disassembled by reversely rotating the water meter housing 6, which provides convenience for destroying or interfering the metering system 2, facilitates destroying the metering system 2 by illegal persons, reduces metering and avoids water fee, the invention arranges a fixing collar 4 between the dial glass 3 and the water meter housing 6, arranges at least one locking groove 402 on the inner ring of the fixing collar 4, and add the anti-dismantling shell 7 that is sleeved on the water meter shell 6, set up the locking block 702 cooperating with locking groove 402 on the anti-dismantling shell 7, make the anti-dismantling shell 7 and fixed collar 4 set up between dial plate glass 3 and water meter shell 6 block and lock, after blocking and locking, users have no operating space to dismantle the anti-dismantling shell 7, and can't screw out the water meter body 1 through rotating the anti-dismantling shell 7, prevent users from dismantling and destroying the metering system 2, the invention, the fixed collar 4 can use the metal material with large structural strength, and the anti-dismantling shell 7 uses the plastic material, when needing to dismantle the water meter under the situation that must already be already, only need to destroy the anti-dismantling shell 7, does not need to destroy the water meter, has avoided the wasting of resources, after maintaining the water meter, mount an anti-dismantling shell 7 directly again, in this embodiment, set up the packing ring 5 between fixed collar 4 and water meter shell 6, the structure tightness and the sealing effect are ensured.
The locking groove 402 comprises a limiting block I4021, a limiting longitudinal block 4022 and a limiting block II 4023 which are connected in sequence, the limiting block I4021 and the limiting block II 4023 are parallel to the surface of the dial glass 3, a clamping inclined block I4024 on the locking groove 402 is arranged on the limiting block I4021 and/or the limiting block II 4023, the clamping inclined block I4024 is arranged towards the limiting block II 4023 and/or the limiting block I4021, one side, close to the limiting longitudinal block 4022, of the clamping inclined block I4024 is higher than the other side, in the embodiment, the locking groove 402 comprises a limiting block I4021, a limiting longitudinal block 4022 and a limiting block II 4023 which are connected in sequence, the limiting block I4021 and the limiting block II 4023 are parallel to the surface of the dial glass 3, the locking block I4021 can be conveniently inserted into the locking groove 702, the locking groove has a guiding function, the limiting longitudinal block 4022 can be arranged, the locking block 702 can be limited from sliding out from the other side of the locking groove, also can all set up on two stopper, in this embodiment, preferably all set up a set of stopper sloping block I4024 in stopper II 4023 and stopper I4021 relative one side, it is higher than the opposite side to stop sloping block I4024 near spacing indulging piece 4022 one side, the locking piece 702 is stopped the sloping block I4024 block that the slope set up promptly after the sloping block II 7022 slip-in that stops at last, can't retreat, and through stopper I4021, spacing indulge the degree of freedom that piece 4022 and stopper II 4023 restrict other three directions, admittedly make anti-dismantling shell 7 and fixed rand 4 carry out the locking cooperation.
The locking piece 702 includes the cooperation strip 7021 with locking groove 402 complex, and the locking piece 702 goes up to block sloping block II 7022 and sets up in one side or both sides of cooperation strip 7021, blocks II 7022 and blocks the corresponding setting of sloping block I4024, improves block efficiency and stability.
Locking groove 402 and locking piece 702 are the annular array along dial plate glass 3 axis and are provided with 4-6 groups, improve stability and prevent tearing open intensity, are the annular array setting and make prevent tearing open 7 all directions of shell and prevent tearing open the intensity unanimously, avoid appearing the condition that certain direction or position prevent tearing open the weak degree.
Be provided with boss 301 on dial plate glass 3, boss 301 one side is provided with rand spacing groove 302, locking groove 402 one side and rand spacing groove 302 joint cooperation, in this embodiment, stopper I4021 and rand spacing groove 302 joint cooperation improve the intensity of locking groove 402 and increase the utilization ratio simultaneously, avoid fixed rand 4 to rotate around dial plate glass 3 axis, in this embodiment, be provided with on the fixed rand 4 with dial plate glass 3 remove the outside position complex cooperation bulge loop 401 of boss 301, improve the cooperation effect.
Prevent tearing open shell 7 including cup jointing outer loop, connecting plate and cooperation inner ring 701, locking piece 702 sets up and is close to and cup joints outer loop one side at cooperation inner ring 701, sets up locking piece 702 and is close to and cup joints outer loop one side at cooperation inner ring 701, and is accomplished locking piece 702 and locking groove 402 structure after the installation is prevented tearing open shell 7 and is hidden to cooperation inner ring 701 and cup joint between the outer loop, and the user can't adopt the instrument to contact locking piece 702, very big improvement prevent tearing open the effect.
The outside of water gauge shell 6 is provided with spacing draw-in groove 602 along dial plate glass 3 axis direction, prevent tearing open the shell 7 inboard and be provided with the spacing shell fragment 703 that corresponds with spacing draw-in groove 602, specifically, spacing shell fragment 703 sets up at cooperation inner ring 701 internal surface, and when locking piece 702 block to locking groove 402, spacing shell fragment 703 block is to spacing draw-in groove 602 in, shares the revolving force that locking piece 702 and locking groove 402 bore, improves the rotatory anti-tear strength of preventing tearing open the shell 7.
The limiting clamping groove 602 and the limiting elastic sheet 703 are arranged in an annular array along the axis of the dial plate glass 3, so that the anti-dismantling strength is improved, the annular array is arranged, the anti-dismantling strength of the anti-dismantling shell 7 in all directions is consistent, and the condition that the anti-dismantling degree in a certain direction or position is weak is avoided. The locking groove 402 comprises a limiting block I4021 and a limiting block II 4023 which are parallel to the surface of the dial glass 3, an inclined block I4024 clamped on the locking groove 402 is arranged on the limiting block I4021 and/or the limiting block II 4023, the inclined block I4024 clamped on the locking groove 402 is arranged towards the limiting block II 4023 and/or the limiting block I4021, one side of the inclined block I4024 close to the limiting longitudinal block 4022 is higher than the other side of the inclined block I4024 clamped on the inclined block I4022, in the embodiment, the inclined block I4022 is not required to be arranged, the locking block 702 and the locking groove 402 limit the anti-dismounting shell 7 to move along the axis direction of the dial glass 3, and the anti-dismounting shell 7 is limited by the limiting clamping groove.
Specifically, dial plate glass 3 passes through dial plate locating piece 304 and dial plate constant head tank 201 joint with measurement system 2, fixed rand 4 passes through spacing hole 403 and spacing post 303 joint with dial plate glass 3, water gauge shell 6 and 1 threaded connection of water gauge body, and fixed dial plate glass 3, fixed rand 4 all can't rotate, avoid preventing tearing open shell 7 through the rotation and drive fixed rand 4, dial plate glass 3 and measurement system 2 rotatory.

Claims (10)

1. The utility model provides a water gauge measurement system prevents tearing open structure, characterized by, including fixed rand (4) with prevent tearing open shell (7), fixed rand (4) set up be between dial plate glass (3) and water meter case body (6), prevent tearing open shell (7) and cup joint on water meter case body (6), fixed rand (4) inner circle is provided with one locking groove (402) at least, prevents tearing open and is provided with on shell (7) and corresponds complex locking piece (702) with locking groove (402), be provided with the block sloping of mutually supporting on locking groove (402) and locking piece (702), locking piece (702) are along locking groove (402) screw in back through the block sloping block locking.
2. The water meter metering system anti-dismantling structure as defined in claim 1, wherein the locking groove (402) comprises a limiting block i (4021), a limiting longitudinal block (4022) and a limiting block ii (4023) which are connected in sequence, the limiting block i (4021) and the limiting block ii (4023) are parallel to the surface of the dial glass (3), a locking oblique block i (4024) on the locking groove (402) is arranged on the limiting block i (4021) and/or the limiting block ii (4023), the locking oblique block i (4024) is arranged towards the limiting block ii (4023) and/or the limiting block i (4021), and one side of the locking oblique block i (4024) close to the limiting longitudinal block (4022) is higher than the other side.
3. The water meter metering system disassembly preventing structure of claim 2, wherein the locking block (702) comprises a matching strip (7021) matched with the locking groove (402), and the locking inclined block II (7022) on the locking block (702) is arranged on one side or two sides of the matching strip (7021).
4. A water meter metering system tamper structure as defined in claim 1 wherein said locking grooves (402) and locking blocks (702) are arranged in 4-6 groups in an annular array along the axis of the dial glass (3).
5. A water meter gauging system disassembly preventing structure as claimed in claim 1, wherein said dial plate glass (3) is provided with a boss (301), one side of said boss (301) is provided with a collar limiting groove (302), and one side of said locking groove (402) is in snap fit with said collar limiting groove (302).
6. A water meter metering system tamper structure as claimed in claim 1, wherein said tamper housing (7) includes a socket outer ring, a connecting plate and a mating inner ring (701), said locking block (702) being disposed on a side of the mating inner ring (701) adjacent to the socket outer ring.
7. A water meter metering system disassembly preventing structure as claimed in any one of claims 1 to 6, wherein a limiting clamping groove (602) is arranged on the outer side of the water meter shell (6) along the axial direction of the dial glass (3), and a limiting elastic sheet (703) corresponding to the limiting clamping groove (602) is arranged on the inner side of the disassembly preventing shell (7).
8. The water meter metering system disassembly preventing structure of claim 7, wherein the limiting clamping grooves (602) and the limiting elastic pieces (703) are arranged in 4-6 groups in an annular array along the axis of the dial glass (3).
9. The water meter metering system disassembly preventing structure of claim 7, wherein the locking groove (402) comprises a limiting block I (4021) and a limiting block II (4023) which are parallel to the surface of the dial glass (3), a locking oblique block I (4024) on the locking groove (402) is arranged on the limiting block I (4021) and/or the limiting block II (4023), the locking oblique block I (4024) is arranged towards the limiting block II (4023) and/or the limiting block I (4021), and one side of the locking oblique block I (4024) close to the limiting longitudinal block (4022) is higher than the other side of the locking oblique block I (4024).
10. A water meter measuring system disassembly preventing structure as claimed in any one of claims 1-6, wherein the dial plate glass (3) is clamped with the measuring system (2) through a dial plate positioning block (304) and a dial plate positioning groove (201), the fixing collar (4) is clamped with the dial plate glass (3) through a limiting hole (403) and a limiting column (303), and the water meter shell (6) is in threaded connection with the water meter body (1).
CN202011021028.5A 2020-09-25 2020-09-25 Anti-dismantling structure of water meter metering system Pending CN112268593A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202011021028.5A CN112268593A (en) 2020-09-25 2020-09-25 Anti-dismantling structure of water meter metering system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202011021028.5A CN112268593A (en) 2020-09-25 2020-09-25 Anti-dismantling structure of water meter metering system

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CN112268593A true CN112268593A (en) 2021-01-26

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CN202011021028.5A Pending CN112268593A (en) 2020-09-25 2020-09-25 Anti-dismantling structure of water meter metering system

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1985976A2 (en) * 2007-04-24 2008-10-29 Hydrometer GmbH Measuring device with connecting pieces
CN202362034U (en) * 2011-11-29 2012-08-01 东莞市德山水表有限公司 Tap water meter
CN205955433U (en) * 2016-07-15 2017-02-15 中优联科技(北京)有限公司 Halving structure is reported to police with dismantlement of adopting this halving structure and is dressed device
CN110530444A (en) * 2019-08-30 2019-12-03 三川智慧科技股份有限公司 A kind of dry type is without magnetic NB-IOT water meter
CN211178625U (en) * 2019-10-18 2020-08-04 湖南常德德山表业有限公司 Stainless steel anti-freezing water meter
CN211425563U (en) * 2020-04-01 2020-09-04 湖南常德牌水表制造有限公司 Water meter

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1985976A2 (en) * 2007-04-24 2008-10-29 Hydrometer GmbH Measuring device with connecting pieces
CN202362034U (en) * 2011-11-29 2012-08-01 东莞市德山水表有限公司 Tap water meter
CN205955433U (en) * 2016-07-15 2017-02-15 中优联科技(北京)有限公司 Halving structure is reported to police with dismantlement of adopting this halving structure and is dressed device
CN110530444A (en) * 2019-08-30 2019-12-03 三川智慧科技股份有限公司 A kind of dry type is without magnetic NB-IOT water meter
CN211178625U (en) * 2019-10-18 2020-08-04 湖南常德德山表业有限公司 Stainless steel anti-freezing water meter
CN211425563U (en) * 2020-04-01 2020-09-04 湖南常德牌水表制造有限公司 Water meter

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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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