CN109269582B - Anti-dismantling device for water meter - Google Patents
Anti-dismantling device for water meter Download PDFInfo
- Publication number
- CN109269582B CN109269582B CN201811300494.XA CN201811300494A CN109269582B CN 109269582 B CN109269582 B CN 109269582B CN 201811300494 A CN201811300494 A CN 201811300494A CN 109269582 B CN109269582 B CN 109269582B
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- piece
- buckle
- dismantling device
- water meter
- connecting plate
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 69
- 230000005291 magnetic effect Effects 0.000 claims abstract description 70
- 210000005056 cell body Anatomy 0.000 claims description 6
- 230000005294 ferromagnetic effect Effects 0.000 abstract description 5
- 238000000034 method Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- 239000004743 Polypropylene Substances 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- -1 polypropylene Polymers 0.000 description 2
- 229920001155 polypropylene Polymers 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000011160 research Methods 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
- G01F15/007—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 comprising means to prevent fraud
-
- 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
- G01F15/14—Casings, e.g. of special material
Landscapes
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Measuring Volume Flow (AREA)
Abstract
The utility model discloses a water meter anti-dismantling device which comprises a shell, a positioning shaft sleeve and a tension spring, wherein the shell is divided into a left half and a right half, the two half shells are respectively connected with a groove body I and a groove body II, a connecting plate I is arranged in the groove body I, a connecting shaft is arranged on the connecting plate I, an elastic piece and a magnetic piece are sequentially arranged between the connecting plate I and the shell, the magnetic piece is connected with the positioning shaft sleeve, the positioning shaft sequentially penetrates through the positioning shaft sleeve, the magnetic piece and the elastic piece to be sleeved on the connecting shaft, a buckle capable of being clamped with the magnetic piece is sleeved on the connecting shaft, the tension spring and a limiting piece arranged on the connecting plate I jointly control the buckle to rotate, and a connecting plate II capable of being clamped with the buckle is arranged at the end part of the groove body II. The utility model can realize the opening and closing of the anti-dismantling device, and can only open the anti-dismantling device under a specific ferromagnetic key to dismantle the water meter, thereby being capable of preventing the problems of meter theft and water theft.
Description
Technical Field
The utility model belongs to the technical field of water meters, and particularly relates to a water meter anti-dismantling device.
Background
At present, products in the water meter industry are various, wherein in the use process of the detachable water meter, if a machine part is damaged, screws on the water meter can be unscrewed, so that the water meter is detached for maintenance or a movement is replaced, and the maintenance work of the water meter is simplified; however, unsafe factors are brought to the use of the water meter, some users pay water fees in order to reduce, and the detachable part of the water meter is illegally taken down by themselves, so that the normal use process of the water meter can not realize the metering function, thereby bringing loss to a water supply department and also causing waste of water resources.
In order to solve the problems, researchers have designed a water meter anti-dismantling device, and the anti-dismantling device is arranged at the threaded connection part of the water meter and the water pipe, but the existing anti-dismantling device is a disposable anti-dismantling device, cannot be repaired after being destroyed, and easily causes resource waste and environmental pollution. The utility model provides a water gauge anti-dismantling device is announced to patent application number CN201220133442.X, includes the water gauge, water gauge and water pipe are with threaded connection, the threaded connection department of water gauge and water pipe is equipped with two knot shells that can lock each other, two knot shells are equipped with two semicircle form piping channels, two piping channels wrap the threaded connection department of water gauge and water pipe, two knot shells pass through the block part joint on the casing, the block part is unable disposable part that normally loosens. The clamping component is a disposable component which cannot be normally loosened, and once the clamping component is opened, the clamping component is damaged, and cannot be recycled in the later period.
Disclosure of Invention
The utility model aims to overcome the defects of the prior art and provides a water meter anti-dismantling device.
The utility model provides a water meter anti-dismantling device which comprises a shell, a positioning shaft sleeve and a tension spring, wherein the shell is divided into a left half and a right half, the two half shells are respectively connected with a groove body I and a groove body II, a connecting plate I is arranged in the groove body I, a connecting shaft is arranged on the connecting plate I, an elastic piece and a magnetic piece are sequentially arranged between the connecting plate I and the shell, the magnetic piece is connected with the positioning shaft sleeve, the positioning shaft sequentially penetrates through the positioning shaft sleeve, the magnetic piece and the elastic piece to be sleeved on the connecting shaft, a buckle capable of being clamped with the magnetic piece is sleeved on the connecting shaft, the tension spring and a limiting piece arranged on the connecting plate I jointly control the buckle to rotate, and a connecting plate II capable of being clamped with the buckle is arranged in the groove body II.
Preferably, the part of the groove body I connected with the shell is provided with an annular plate, and the positioning shaft sequentially penetrates through the annular plate, the positioning shaft sleeve, the magnetic piece and the elastic piece to be sleeved on the connecting shaft.
Preferably, the elastic member is a spring.
Preferably, the tension spring is connected with the buckle and the groove body I.
Preferably, a connecting piece connected with a tension spring is arranged in the groove body I.
Preferably, the connecting piece and the limiting piece are distributed on two sides of the connecting shaft, and the limiting piece is close to the buckle.
Preferably, the buckle is provided with a clamping piece I, and the magnetic piece is provided with a plurality of clamping grooves I which can be clamped with the clamping piece I.
Preferably, the number of the clamping grooves I is four, and the clamping grooves I are symmetrically arranged on the magnetic piece respectively.
Preferably, the positioning shaft and the positioning shaft sleeve are provided with positioning inclined planes in four directions.
Preferably, a clamping groove II is formed in the side edge of the buckle, and a clamping piece II which can be clamped with the clamping groove II is arranged on the connecting plate II.
The annular plate, the positioning shaft sleeve, the magnetic piece and the elastic piece are in the same horizontal position through the positioning shaft.
Through holes are formed in the annular plate, the magnetic piece and the clamping buckle, the through holes in the annular plate and the magnetic piece are used for being connected with a positioning shaft, and the through holes in the clamping buckle are used for sleeving the clamping buckle on a connecting shaft on the connecting plate I.
The connecting shaft is arranged at the center of the connecting plate I, the through hole on the annular plate is arranged at the center of the annular plate, and the through hole on the magnetic piece is arranged at the center of the magnetic piece.
The positioning shaft is hollow, one end of the positioning shaft is smaller than the diameter of the through hole in the annular plate and the diameter of the through hole in the magnetic part, and the other end of the positioning shaft is larger than the diameter of the through hole in the annular plate.
The shell is made of polypropylene material, is environment-friendly and high in strength, and can remarkably prolong the service life of the whole device.
The shell is divided into a left half and a right half, and the two shells are integrally formed and can be turned up and down relatively.
The magnetic part is a magnet, clamping grooves I in four directions are formed in the magnet and are symmetrically arranged respectively, and one clamping groove I of the four clamping grooves I is always located at the same position with the clamping part I on the clamping buckle.
At present, in order to prevent the problems of unauthorized disassembly, value adjustment and the like of the water meter, researchers are provided with an anti-disassembly device at the position of a nut connected with the intelligent water meter and a pipeline, but the existing anti-disassembly device is disposable, and after the anti-disassembly device is destroyed, the resource waste is caused, the environment is polluted, and the production cost is increased. The inventor of this application researches a water gauge anti-disassembly device, install it in intelligent water gauge and pipeline connection's nut department, through fastener and draw-in groove joint locking, realize preventing the water gauge from dismantling by oneself, the purpose of regulating the value, when opening anti-disassembly device, need with specific ferromagnetic key, utilize the attractive force between ferromagnetic key and the magnetic part, make magnetic part and buckle joint, rotatory magnetic key drives magnetic part and buckle and rotates together for fastener and draw-in groove break away from mutually, in order to open anti-disassembly device. The utility model can realize the opening and closing of the anti-dismantling device, and can only open the anti-dismantling device under a specific ferromagnetic key to dismantle the water meter, thereby being capable of preventing the problems of meter theft and water theft.
The beneficial effects of the utility model are as follows:
1. the utility model can realize the opening and closing of the anti-dismantling device, and can only open the anti-dismantling device under a specific ferromagnetic key to dismantle the water meter, thereby being capable of preventing the problems of meter theft and water theft.
2. The shell is divided into the left half and the right half, and the two shells are hinged, so that the anti-dismantling device can be conveniently closed, screw nuts are not required to be arranged, the time for dismantling and installing the screw nuts is saved, and the efficiency is greatly improved.
3. The utility model has simple structure, reasonable arrangement, low manufacturing cost, capability of realizing cyclic utilization, suitability for various water meters and wide application range.
Drawings
Fig. 1 is a schematic view of the structure of the present utility model with the components disconnected.
Fig. 2 is a schematic diagram of the water meter anti-dismantling device according to the utility model when opened.
Fig. 3 is a schematic diagram of a structure of the water meter anti-dismantling device of the utility model without inserting a magnetic key when the device is closed.
Fig. 4 is a cross-sectional view of the water meter tamper evident device of the present utility model when closed.
Fig. 5 is a cross-sectional view of the water meter anti-dismantling device of the utility model inserted with a magnetic key.
Fig. 6 is a schematic diagram of the structure of the water meter anti-dismantling device of the utility model after the magnetic key is inserted and opened.
Wherein: 1 casing, 2 locating shaft, 3 locating shaft sleeve, 4 extension springs, 5 magnetic part, 6 elastic component, 7 buckle, 8 cell body I, 9 cell body II, 10 magnetic key, 51 draw-in groove I, 71 fastener I, 72 draw-in groove II, 81 annular plate, 82 connecting plate I, 83 connecting piece, 821 connecting shaft, 822 locating piece, 91 connecting plate II, 911 fastener II.
Detailed Description
As shown in fig. 1-3, the utility model provides a water meter anti-dismantling device, which comprises a shell 1, a positioning shaft 2, a positioning shaft sleeve 3 and a tension spring 4, wherein the shell 1 is divided into a left half and a right half, a groove body I8 and a groove body II 9 are respectively connected with the two half shells, a connecting plate I82 is arranged in the groove body I8, a connecting shaft 821 is arranged on the connecting plate I82, an elastic piece 6 and a magnetic piece 5 are sequentially arranged between the connecting plate I82 and the shell 1, the magnetic piece 5 is connected with the positioning shaft sleeve 3, the positioning shaft 2 sequentially penetrates through the positioning shaft sleeve 3, the magnetic piece 5 and the elastic piece 6 to be sleeved on the connecting shaft 821, a buckle 7 which can be clamped with the magnetic piece 5 is sleeved on the connecting shaft 821, the tension spring 4 and a limiting piece 122 arranged on the connecting plate I82 jointly control the rotation of the buckle 7, and a connecting plate II 91 which can be clamped with the buckle 7 is arranged in the groove body II 9.
The annular plate 81 is arranged at the part of the groove body I8 connected with the shell 1, the positioning shaft 2 sequentially penetrates through the annular plate 81, the positioning shaft sleeve 3, the magnetic piece 5 and the elastic piece 6 to be sleeved on the connecting shaft 821, so that the annular plate 81, the positioning shaft sleeve 3, the magnetic piece 5 and the elastic piece 6 are positioned at the same horizontal position, and the moving direction of the magnetic piece 5 and the elastic piece 6 can be controlled more accurately in the later stage.
Through holes are formed in the annular plate 81, the magnetic piece 5 and the buckle 7, the through holes in the annular plate 81 and the magnetic piece 5 are used for being connected with the positioning shaft 2, and the through holes in the buckle 7 are used for sleeving the buckle 7 on the connecting shaft 821 on the connecting plate I82. The positioning shaft 2 is hollow, and has one end with a diameter smaller than the diameter of the through hole in the annular plate 81 and the diameter of the through hole in the magnetic member 5 and the other end with a diameter larger than the diameter of the through hole in the annular plate 81.
One end of the tension spring 4 is connected with the buckle 7, the other end of the tension spring is connected with the connecting piece 83 arranged in the groove body I8, the buckle 7 is provided with the limiting piece 822, the connecting piece 83 and the limiting piece 822 are distributed on two sides of the connecting shaft 821, and the limiting piece 822 is close to the buckle 7 sleeved on the connecting shaft 821; with the buckle 7 as a reference, the connecting piece 83 and the limiting piece 822 are respectively distributed on the lower part of one side and the upper part of the other side of the buckle 7, and the connecting piece 83 and the limiting piece 822 are combined to enable the buckle 7 to be kept at the same position under the action of no external force, so that the control accuracy of the device is improved.
The buckle 7 is provided with the clamping piece I71, and the magnetic piece 5 is provided with a plurality of clamping grooves I51 which can be clamped with the clamping piece I71.
According to the utility model, the clamping grooves I51 in four directions are arranged on the magnetic piece 5 and are symmetrically arranged respectively, one clamping groove I51 of the four clamping grooves I51 is always positioned at the same position with the clamping piece I71 on the buckle 7, so that when the water meter anti-dismantling device is opened, the clamping groove I51 on the magnetic piece 5 is accurately clamped with the clamping piece I71 on the buckle 7, and the accuracy of the device is improved.
The side of the buckle 7 is provided with a clamping groove II 72, and the connecting plate II 91 is provided with a clamping piece II 911 which is clamped with the clamping groove II 72.
The shell 1 is divided into the left half and the right half, the two shells are integrally formed, can be turned up and down relatively, can be conveniently closed, and the anti-dismantling device is convenient, and the shell 1 is made of polypropylene material, is environment-friendly and high in strength, and can remarkably prolong the service life of the whole device.
The components of the utility model, except for the magnetic element 5 and the magnetic key 10, are made of non-magnetic materials, such as plastics, aluminum or copper.
When the water meter anti-dismantling device needs to be closed, firstly, 1 half shell is turned upwards to drive the groove body I8 and the groove body II 9 to be combined to form a hollow hole, the positions of the connecting plate I82 and the connecting plate II 91 are staggered, and the connecting plate II 91 is closer to the hollow hole formed by combining the two groove bodies, when the buckle 7 is contacted with the clamping piece II 911, the clamping piece II 911 can give tangential force to the buckle 7, so that the buckle 7 rotates in a direction away from the limiting piece 822, the tension spring 4 connected with the buckle 7 is lengthened, the buckle 7 returns to the original position under the action of the tension spring 4, and in the returning process, the clamping groove II 72 on the side edge of the buckle 7 is clamped with the clamping piece II 911 on the connecting plate II 91, so that the water meter anti-dismantling device is closed.
As shown in fig. 4, when the water meter anti-dismantling device needs to be opened, a specific magnetic key 10 is inserted into a hollow hole formed by combining the groove body i 8 and the groove body ii 9, the magnetic member 5 moves towards the direction of the buckle 7 on the axis of the positioning shaft 2 under the attractive force of the magnetic key 10, when the magnetic member moves to a certain position, one clamping groove on the magnetic member 5 is clamped with the clamping piece i 71 on the buckle 7, then the magnetic key 10 is rotated towards the direction far away from the limiting piece 822, the magnetic member 5 and the buckle 7 are driven to rotate in the same direction, so that the clamping groove ii 72 on the side edge of the buckle is separated from the clamping piece ii 911 on the connecting plate ii 91, and the water meter anti-dismantling device is opened. The magnetic key 10 is pulled out, and the magnetic member 5 returns to its original position under the restoring force of the elastic member 6.
The running state of the utility model is as follows:
according to the utility model, the positioning shaft sleeve 3 is fixedly connected with the magnetic piece 5, the buckle 7 is sleeved on the connecting shaft 821 on the connecting plate I82, the tension spring 4 is respectively connected with the buckle 7 and the connecting piece 83, the positioning shaft 2 sequentially passes through the annular plate 81, the positioning shaft sleeve 3, the magnetic piece 5 and the elastic piece 6 to be sleeved on the connecting shaft 821, and the annular plate 81, the positioning shaft sleeve 3, the magnetic piece 5 and the elastic piece 6 are in the same horizontal position. The assembled water meter anti-dismantling device is arranged at the threaded connection position of the water meter and the water pipe, when the water meter anti-dismantling device is required to be closed, 1 half shell is turned upwards, when the buckle 7 is contacted with the clamping piece II 911, the buckle 7 rotates in the direction away from the limiting piece 822, the tension spring 4 connected with the buckle 7 is stretched, the buckle 7 returns to the original position under the action of the tension spring 4, and in the returning process, the clamping groove II 72 on the side edge of the buckle 7 is clamped with the clamping piece II 911 on the connecting plate II 91, so that the water meter anti-dismantling device is closed; when the water meter anti-dismantling device needs to be opened, a specific magnetic key 10 is inserted into a hollow hole formed by combining the groove body I8 and the groove body II 9, the magnetic piece 5 moves towards the direction of the buckle 7 on the axis of the positioning shaft 2 under the attractive force of the magnetic key 10, when the magnetic piece moves to a certain position, one clamping groove I51 on the magnetic piece 5 is clamped with the clamping piece I71 on the buckle 7, then the magnetic key 10 is rotated towards the direction away from the limiting piece 822, the magnetic piece 5 and the buckle 7 are driven to rotate in the same direction, and the clamping groove II 72 on the side edge of the buckle is separated from the clamping piece II 911 on the connecting plate II 91, so that the water meter anti-dismantling device is opened. The magnetic key 10 is pulled out, and the magnetic member 5 returns to its original position under the restoring force of the elastic member 6.
The foregoing is merely illustrative of the present utility model and is not intended to limit the scope of the utility model. All equivalent changes or modifications made according to the spirit of the main technical solution of the present utility model should be included in the scope of the present utility model.
Claims (10)
1. The utility model provides a water gauge anti-dismantling device, a serial communication port, including casing (1), location axle (2), location axle sleeve (3) and extension spring (4), casing (1) divide into left and right sides two halves, it has cell body I (8) and cell body II (9) to link respectively to two halves casing, be equipped with connecting plate I (82) in cell body I (8), be equipped with connecting axle (821) on connecting plate I (82), be equipped with elastic component (6) and magnetic component (5) in proper order between connecting plate I (82) and casing (1), magnetic component (5) link to each other with location axle sleeve (3), location axle (2) pass location axle sleeve (3) in proper order, magnetic component (5) and elastic component (6) suit are on connecting axle (821), the cover is equipped with buckle (7) that can with magnetic component (5) joint on connecting axle (821), be equipped with in extension spring (4) and the spacing piece (122) on connecting plate I (82) joint control buckle (7) rotation jointly, be equipped with in cell body II (9) can with connecting plate II (91) with buckle (7) joint.
2. The water meter anti-dismantling device according to claim 1, wherein an annular plate (81) is arranged at the connecting part of the groove body I (8) and the shell (1), and the positioning shaft (2) sequentially penetrates through the annular plate (81), the positioning shaft sleeve (3), the magnetic piece (5) and the elastic piece (6) to be sleeved on the connecting shaft (821).
3. The water meter anti-dismantling device according to claim 1 or 2, characterized in that the elastic member (6) is a spring.
4. The water meter anti-dismantling device according to claim 1 or 2, wherein the tension spring (4) is connected with the buckle (7) and the tank body (8).
5. The anti-dismantling device of the water meter as claimed in claim 4, wherein a connecting piece (83) connected with the tension spring (4) is arranged in the tank body I (8).
6. The water meter anti-dismantling device of claim 5, wherein the connecting piece (83) and the limiting piece (822) are distributed on two sides of the connecting shaft (821), and the limiting piece (822) is close to the buckle (7).
7. The water meter anti-dismantling device as claimed in claim 1 or 2, wherein the buckle (7) is provided with a clamping piece I (71), and the magnetic piece (5) is provided with a plurality of clamping grooves I (51) which can be clamped with the clamping piece I (71).
8. The water meter anti-dismantling device according to claim 7, wherein the number of the clamping grooves I (51) is four, and the clamping grooves I are symmetrically arranged on the magnetic piece (5).
9. The water meter anti-dismantling device according to claim 1 or 2, characterized in that the positioning shaft (2) and the positioning shaft sleeve (3) are provided with positioning inclined planes in four directions.
10. The water meter anti-dismantling device according to claim 1 or 2, wherein the side edge of the buckle (7) is provided with a clamping groove II (72), and the connecting plate II (91) is provided with a clamping piece II (911) which can be clamped with the clamping groove II (72).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811300494.XA CN109269582B (en) | 2018-11-02 | 2018-11-02 | Anti-dismantling device for water meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811300494.XA CN109269582B (en) | 2018-11-02 | 2018-11-02 | Anti-dismantling device for water meter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109269582A CN109269582A (en) | 2019-01-25 |
| CN109269582B true CN109269582B (en) | 2024-01-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811300494.XA Active CN109269582B (en) | 2018-11-02 | 2018-11-02 | Anti-dismantling device for water meter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109269582B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112178800B (en) * | 2020-09-30 | 2022-01-04 | 宁波康韩瑞电器有限公司 | 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 |
| CN113859280B (en) * | 2021-11-12 | 2023-04-25 | 杭州中车车辆有限公司 | Straddle type monorail engineering vehicle with replaceable contact rail |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4331945A (en) * | 1980-09-23 | 1982-05-25 | Cattani Ii Cyrus J | Magnetically actuatable tamper switch assembly |
| CN201293117Y (en) * | 2008-10-28 | 2009-08-19 | 宁波志清实业有限公司 | Anti-dismantling ball-valve |
| CN103090041A (en) * | 2013-01-24 | 2013-05-08 | 宁波志清实业有限公司 | Anti-dismantling ball valve |
| CN204267850U (en) * | 2014-07-11 | 2015-04-15 | 深圳市安博自控能源技术有限公司 | A kind of valve anti-disassembling device and valve |
| CN205118414U (en) * | 2015-11-25 | 2016-03-30 | 宁波佳明金属制品有限公司 | Ball valve is prevented tearing open in two accuses |
| CN105759701A (en) * | 2016-02-24 | 2016-07-13 | 深圳市纬科信息技术有限公司 | Intelligent magnetic induction tamper alarm method and device |
| CN206209966U (en) * | 2016-11-29 | 2017-05-31 | 周杭挺 | A kind of remote transmission intelligent waterproof water meter with electronics tamper function |
| CN107016304A (en) * | 2017-04-12 | 2017-08-04 | 上海汇尔通信息技术有限公司 | The antiwithdrawal device and tamper method of electronic equipment |
| CN208833309U (en) * | 2018-11-02 | 2019-05-07 | 湖南常德牌水表制造有限公司 | A kind of preventing watermeter from being detached device |
-
2018
- 2018-11-02 CN CN201811300494.XA patent/CN109269582B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4331945A (en) * | 1980-09-23 | 1982-05-25 | Cattani Ii Cyrus J | Magnetically actuatable tamper switch assembly |
| CN201293117Y (en) * | 2008-10-28 | 2009-08-19 | 宁波志清实业有限公司 | Anti-dismantling ball-valve |
| CN103090041A (en) * | 2013-01-24 | 2013-05-08 | 宁波志清实业有限公司 | Anti-dismantling ball valve |
| CN204267850U (en) * | 2014-07-11 | 2015-04-15 | 深圳市安博自控能源技术有限公司 | A kind of valve anti-disassembling device and valve |
| CN205118414U (en) * | 2015-11-25 | 2016-03-30 | 宁波佳明金属制品有限公司 | Ball valve is prevented tearing open in two accuses |
| CN105759701A (en) * | 2016-02-24 | 2016-07-13 | 深圳市纬科信息技术有限公司 | Intelligent magnetic induction tamper alarm method and device |
| CN206209966U (en) * | 2016-11-29 | 2017-05-31 | 周杭挺 | A kind of remote transmission intelligent waterproof water meter with electronics tamper function |
| CN107016304A (en) * | 2017-04-12 | 2017-08-04 | 上海汇尔通信息技术有限公司 | The antiwithdrawal device and tamper method of electronic equipment |
| CN208833309U (en) * | 2018-11-02 | 2019-05-07 | 湖南常德牌水表制造有限公司 | A kind of preventing watermeter from being detached device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109269582A (en) | 2019-01-25 |
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