CN113483840A - Intelligent wireless remote-transmission valve-controlled Internet of things water meter anti-dismounting device - Google Patents
Intelligent wireless remote-transmission valve-controlled Internet of things water meter anti-dismounting device Download PDFInfo
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- CN113483840A CN113483840A CN202110811743.7A CN202110811743A CN113483840A CN 113483840 A CN113483840 A CN 113483840A CN 202110811743 A CN202110811743 A CN 202110811743A CN 113483840 A CN113483840 A CN 113483840A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 75
- 230000000694 effects Effects 0.000 claims abstract description 11
- 230000007246 mechanism Effects 0.000 claims abstract description 9
- 230000006855 networking Effects 0.000 claims abstract description 5
- 230000000903 blocking effect Effects 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 4
- 230000007306 turnover Effects 0.000 claims description 4
- 238000009434 installation Methods 0.000 abstract description 2
- 238000011161 development Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 206010063385 Intellectualisation Diseases 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000013505 freshwater Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 230000004083 survival effect Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
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Classifications
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- 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
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- 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
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- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Measuring Volume Flow (AREA)
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Abstract
The application belongs to the technical field of water meters, and discloses a wireless teletransmission valve accuse thing networking water gauge of intelligence prevents dismouting and puts, including water gauge shell and install the electronic module unit in the water gauge shell, water gauge shell top-down can divide into casing and lower casing two otic placodes have all been installed to the both sides face of going up the casing, be provided with between otic placode and the lower casing and prevent tearing open the mechanism. Through the otic placode, the screw, prevent tearing open the post, the cylinder, the column spinner, decide the pole, decide pole hole and electric putter etc, when last casing and casing installation down, decide the pole insert under electric putter's thrust decide the pole downthehole, the column spinner is in fixed state with the cylinder, the screw can be installed to the screw in smoothly, when being in the state of preventing tearing open, decide the pole and break away from and decide the pole hole, the column spinner keeps can the rotation state, so exert the turning force to the screw when lawless persons, because column spinner offsets with the cylinder, the screw can not demolish smoothly, thereby reach good effect of preventing tearing open.
Description
Technical Field
The application relates to the technical field of water meters, in particular to an intelligent wireless remote transmission valve control Internet of things water meter anti-dismounting device.
Background
The water meter is an energy metering product of national key supervision, in view of the fact that fresh water resources are in shortage day by day, strengthening water metering technology and developing water metering intelligent products are one of main solutions for reducing the influence of water resource shortage on human survival, after years of development, intelligent water meter products and technologies enter a new transition upgrading period, the era of the internet of things water meter marked by improvement of water meter metering performance, wireless network access and integration of internet application comes, the internet of things water meter is provided along with the technical development of intelligent water supply and intelligent water service and the requirements of automation, informatization, intellectualization and the like of pipe network measurement and control, the internet of things water meter integrates terminals, systems and applications into a whole, a perfect solution is provided for a user, and the status and the function of the internet of things water meter in systems for water supply and drainage and the like are gradually excavated and presented by integrating the intelligent terminals into the whole framework of a water supply network measurement and control system and internet application, the water meter of the internet of things enriches the connotation of the application in the fields of intelligent water supply, intelligent water affairs and the like, and accelerates the innovation and development pace of the traditional water meter industry.
The Internet of things water meter is the most advanced electronic and mechanical combined equipment, and can record and electronically display water consumption and also can transmit data with a remote host. The electronic module in the water meter plays a vital role, and lawless persons can detach and replace the module maliciously to achieve the purpose of reducing payment, so that the water meter is damaged, water resources are wasted, and losses are caused to water supply companies, and therefore the anti-detachment design of the intelligent water meter is particularly important.
To above-mentioned correlation technique, the inventor thinks that the current mechanism of preventing tearing open is fixed with the big multi-purpose screw, and the effect of preventing tearing open that its own possessed is relatively poor, and the installation environment of water gauge is in comparatively narrow space usually, and the person of checking meter is difficult for observing whether the water gauge has been torn open, therefore needs to design an intelligent wireless teletransmission valve accuse thing networking water gauge and prevents tearing open the device and solve above-mentioned problem.
Disclosure of Invention
In order to solve the problem, the application provides a wireless teletransmission valve accuse thing networking water gauge of intelligence prevents dismouting and puts.
The application provides a pair of wireless teletransmission valve accuse thing networking water gauge of intelligence prevents dismouting and adopts following technical scheme: an intelligent wireless remote-control valve-controlled internet-of-things water meter anti-dismounting device comprises a water meter shell and an electronic module unit arranged in the water meter shell, wherein the water meter shell can be divided into an upper shell and a lower shell from top to bottom, two lug plates are arranged on two side faces of the upper shell, and an anti-dismounting mechanism is arranged between the lug plates and the lower shell;
the anti-disassembly mechanism comprises a screw, an anti-disassembly column is arranged in the lower shell body at a position corresponding to the lug plate, the anti-disassembly column can be divided into a column body and a rotary column from top to bottom, the column body is detachably connected with the lower shell body through a bolt, the column body is rotatably connected with the rotary column through a bearing, a screw hole is formed in the anti-disassembly column, and the end part of the screw penetrates through the lug plate and is in threaded connection with the screw hole;
a fixed rod hole is formed in the circumferential side of the rotary column, an electric push rod is fixedly mounted in the lower shell, a fixed rod is mounted at the output end of the electric push rod, and the fixed rod is inserted into the fixed rod hole;
the top of the ear plate is also provided with a reminding component.
Adopt above-mentioned technical scheme, the screw passes otic placode and threaded connection in the screw hole under initial condition, it is downthehole that the fixed rod is not inserted to the fixed rod, when lawless persons applys the turning force to the screw, the cross-sectional area of column is less than the cross-sectional area of cylinder, so the column spinner can support the bottom at the cylinder, the screw can't upwards be demolishd, the anti-disassembly effect is preferred, be provided with simultaneously and remind the subassembly, utilize the slight rotation of screw and then make soft strip take place deformation, thereby make the person of checking meter directly perceived judge whether lawless persons have the attempt of demolishment, and then focus is stared and is prevented.
Furthermore, the ear plate and the upper shell are arranged in a pouring molding mode.
Through above-mentioned technical scheme, increase the connection reliability between otic placode and the last casing.
Furthermore, the reminding assembly comprises a screw groove, the head of the screw is positioned in the screw groove, and a movable cavity is formed between the head of the screw and the inner wall of the screw groove;
the activity intracavity has been installed the upset piece, the upset piece articulates on the screw inslot wall, just the upset piece can center on the upset piece with part circular motion is upwards to one side to the pin joint between the screw inslot wall soft strip has been installed to the one end of upset piece the position that the head of screw corresponds soft strip is opened there is the bar groove.
Through the technical scheme, when the water meter is detached by a lawless person, a rotating force is applied to the screw, and due to the fact that a certain gap exists between the cylinder and the rotating body, the screw slightly rotates, and then the soft strip can be bent, so that a meter reader can visually observe the crease of the soft strip to judge whether the lawless person attempts to detach the water meter, and can focus on the water meter, meanwhile, the soft strip also plays a role in marking, the radial rotation of the screw can be adjusted according to the position of the soft strip, and the fixed rod can be smoothly inserted into the hole of the fixed rod.
Further, when the soft strip with bottom wall keeps parallel in the screw groove, the partial length of soft strip is located the bar inslot.
Through above-mentioned technical scheme, when soft strip and the interior diapire of screw groove were in the parallel state, it was downthehole just can insert surely the pole smoothly to decide the pole.
Further, the soft strip is made of rubber materials, and the soft strip is bonded with the turnover piece.
Through above-mentioned technical scheme, utilize the rubber material of soft strip, soft strip can not produce great resistance when bending, and then difficult being perceived by lawless persons, and soft strip bonds on the terminal surface of upset piece simultaneously, can conveniently change the soft strip of new.
Furthermore, a plugging sleeve is arranged above the movable cavity, and can move downwards to cover the screw and be in interference fit with the movable cavity.
Through above-mentioned technical scheme, the shutoff cover can cover whole screw groove, and then guarantees the leakproofness of screw groove, reduces the screw and is corroded the probability.
In summary, the present application includes at least one of the following advantageous technical effects:
(1) through the ear plate, the screw, the anti-dismantling column, the cylinder body, the rotary column, the fixed rod hole, the electric push rod and the like, when the upper shell and the lower shell are installed, the fixed rod is inserted into the fixed rod hole under the thrust of the electric push rod, the rotary column and the cylinder body are in a fixed state, the screw can be smoothly installed into the screw hole, when the fixed rod is in the anti-dismantling state, the fixed rod is separated from the fixed rod hole, the rotary column is kept in a rotatable state, so that when a lawless person applies a rotating force to the screw, the screw cannot be smoothly dismantled due to the fact that the rotary column is abutted against the cylinder body, and a good anti-dismantling effect is achieved;
(2) through the screw groove, the movable cavity, the turnover piece, the soft strip, the strip-shaped groove and the like, when a lawless person applies a rotating force to the screw, the screw slightly rotates, and then the partial length of the soft strip in the strip-shaped groove deflects, so that a meter reader is helped to remind that the water meter has a dismantled trace, the water meter can be focused on or regionally advertised, the law-keeping consciousness of water using personnel in a certain range of the water meter is increased, and the probability that the water meter is tried to be dismantled again is reduced;
(3) through upset piece, soft strip and bar groove etc. whole screw groove cross-sectional area of comparing of the volume of soft strip is less, and soft strip is located the bottommost of screw groove, is difficult for being perceived by lawless persons like this, and the upset piece can overturn upwards to one side, when the maintenance personal overhauls the water gauge, soft strip can break away from the bar groove, can not cause soft strip to take place to damage.
Drawings
FIG. 1 is a schematic overall structure of the present application;
FIG. 2 is a partial longitudinal section of the present application;
FIG. 3 is a schematic view of the tamper evident post structure of the present application;
fig. 4 is a top view of an ear plate of the present application.
The reference numbers in the figures illustrate:
1 water gauge shell, 2 go up the casing, 3 casing, 4 prevent tearing open mechanism, 5 otic placodes, 6 remind subassembly, 7 shutoff covers, 41 screws, 42 prevent tearing open post, 43 cylinders, 44 screw, 45 fixed rod holes, 46 electric putter, 47 fixed rod, 48 column spinner, 61 screw grooves, 62 activity chamber, 63 upset spare, 64 soft strip, 65 bar groove.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention; it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The present application is described in further detail below with reference to figures 1-4.
The embodiment of the application discloses an anti-dismounting device for an intelligent wireless remote-transmission valve-controlled Internet of things water meter, which comprises a water meter shell 1 and an electronic module unit arranged in the water meter shell 1, wherein the water meter shell 1 can be divided into an upper shell 2 and a lower shell 3 from top to bottom, two lug plates 5 are arranged on two side surfaces of the upper shell 2, and an anti-dismounting mechanism 4 is arranged between the lug plates 5 and the lower shell 3;
the anti-disassembly mechanism 4 comprises a screw 41, an anti-disassembly column 42 is arranged in the lower shell 3 at a position corresponding to the lug plate 5, the anti-disassembly column 42 can be divided into a column body 43 and a rotating column 48 from top to bottom, the column body 43 is detachably connected with the lower shell 3 through a bolt, the column body 43 is rotatably connected with the rotating column 48 through a bearing, a screw hole 44 is formed in the anti-disassembly column 42, and the end part of the screw 41 penetrates through the lug plate 5 and is in threaded connection with the screw hole 44;
a fixed rod hole 45 is formed in the circumferential side of the rotating column 48, an electric push rod 46 is fixedly installed in the lower shell 3, a fixed rod 47 is installed at the output end of the electric push rod 46, and the fixed rod 47 is inserted into the fixed rod hole 45;
the top of the ear plate 5 is also provided with a reminding assembly 6.
Referring to fig. 1-3, when the upper housing 2 and the lower housing 3 are assembled, the upper housing 2 and the lower housing 3 are kept aligned up and down, that is, the through hole of the ear plate 5 should be aligned with the screw hole 44, the fixed rod 47 is inserted into the fixed rod hole 45 under the pushing force of the electric push rod 46, the rotation column 48 and the cylinder 43 are both in a non-radial rotation state, the screw 41 passes through the through hole of the ear plate 5 and is screwed into the screw hole 44, the upper housing 2 and the lower housing 3 are fixedly assembled, when in the anti-disassembly state, the fixed rod 47 is separated from the screw hole 44, that is, the rotation column 48 can rotate, so when a lawless person applies a rotational force to the screw 41, the screw 41 tends to move up, the rotation column 48 and the screw 41 are integrated to rotate, so that the rotation column 48 abuts against the bottom of the cylinder 43, and the screw 41 only slightly rotates, can not be completely separated from the screw hole 44, thus achieving good anti-dismounting effect.
Based on this, it should be further explained that the anti-dismantling column 42 is detachably connected with the lower housing 3 through a bolt, and the dismantling mode can facilitate the integral replacement of the anti-dismantling column 42, so as to eliminate the adverse effect of damage to the anti-dismantling performance of the water meter caused by the anti-dismantling column 42 due to violent dismantling.
Referring to fig. 1, the ear plate 5 and the upper housing 2 are formed by casting, which is helpful for improving the connection reliability between the ear plate 5 and the upper housing 2.
The reminding assembly 6 comprises a screw groove 61, the head of the screw 41 is positioned in the screw groove 61, and a movable cavity 62 is formed between the head of the screw 41 and the inner wall of the screw groove 61;
the built-in upset 63 that is equipped with of activity chamber 62, upset 63 articulates on the screw groove 61 inner wall, just upset 63 can center on upset 63 with some circular motion is to the pin joint slant between the screw groove 61 inner wall to soft strip 64 has been installed to the one end of upset 63 the position that the head of screw 41 corresponds soft strip 64 is opened there is strip groove 65.
Referring to fig. 1-2 and 4, in a state that the screw 41 is installed perfectly, the head of the screw 41 is located in the screw groove 61, the width of the movable cavity 62 can adapt to a conventional wrench model to apply a rotating force to the screw 41, the turnover member 63 and the soft strip 64 are both located at the bottom of the movable cavity 62, and a part of the length of the soft strip 64 is located in the strip groove 65, when a lawless person rotates the screw 41, the screw 41 slightly rotates due to a certain telescopic gap existing between the rotating column 48 and the column 43 during assembly, and the soft strip 64 is deflected due to radial rotation of the screw 41, so that a meter reader is alerted that the water meter has a removal mark, thereby performing focus staring or regional publicity on the water meter, increasing the awareness of water using personnel in a certain range of the water meter, and reducing the probability of the water meter being removed again.
Referring to fig. 2, when the soft strip 64 is parallel to the bottom wall of the screw groove 61, a part of the length of the soft strip 64 is located in the strip groove 65, and the soft strip 64 also plays a role of identification, so that when a maintenance worker needs to dismantle the water meter, the screw 41 can be reset by comparing the deflection angle of the soft strip 64, and the fixed rod 47 can be smoothly inserted into the fixed rod hole 45.
Referring to fig. 2 and 4, the soft strips 64 are made of rubber, and the soft strips 64 are bonded to the flip member 63, and the soft strips 64 can not generate large resistance when being bent by using the rubber material of the soft strips 64, so that the soft strips 64 are not easily perceived by lawless persons, and meanwhile, the soft strips 64 are bonded to the end surface of the flip member 63, so that the soft strips 64 can be conveniently replaced with new ones.
Referring to fig. 2, the blocking sleeve 7 is installed above the movable cavity 62, the blocking sleeve 7 can move downward to cover the screw 41 and be in interference fit with the movable cavity 62, and the blocking sleeve 7 can cover the whole screw groove 61, so that the sealing performance of the screw groove 61 is ensured, and the probability of rusting the screw 41 is reduced.
The implementation principle of the anti-dismantling device for the intelligent wireless remote transmission valve control Internet of things water meter is as follows: when the upper shell 2 and the lower shell 3 are installed, the fixed rod 47 is inserted into the fixed rod hole 45 under the thrust of the electric push rod 46, the rotating column 48 and the cylinder 43 are in a non-radial rotation state, the screw 41 passes through the through hole on the lug plate 5 and is connected in the screw hole 44 in a threaded manner, the upper shell 2 and the lower shell 3 are fixedly installed, when the fixed rod 47 is in a disassembly-proof state, the fixed rod 47 is separated from the screw hole 44, when a lawless person applies rotating force to the screw 41, the rotating column 48 abuts against the bottom of the cylinder 43, the screw 41 only slightly rotates and cannot be completely separated from the screw hole 44, and when the screw 41 radially rotates, the soft strip 64 is deflected, so that a meter reader is reminded that the water meter is attempted to be disassembled.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (6)
1. The utility model provides a wireless teletransmission valve accuse thing networking water gauge of intelligence prevents dismouting and puts, includes water meter case (1) and installs the electronic module unit in water meter case (1), water meter case (1) top-down can divide into upper shell (2) and lower shell (3) two otic placodes (5), its characterized in that have all been installed to the both sides face of upper shell (2): an anti-dismounting mechanism (4) is arranged between the ear plate (5) and the lower shell (3);
the anti-disassembly mechanism (4) comprises a screw (41), an anti-disassembly column (42) is arranged in the lower shell (3) at a position corresponding to the lug plate (5), the anti-disassembly column (42) can be divided into a cylinder (43) and a rotating column (48) from top to bottom, the cylinder (43) and the lower shell (3) are detachably connected through a bolt, the cylinder (43) and the rotating column (48) are rotatably connected through a bearing, a screw hole (44) is formed in the anti-disassembly column (42), and the end part of the screw (41) penetrates through the lug plate (5) and is in threaded connection with the screw hole (44);
a fixed rod hole (45) is formed in the circumferential side of the rotary column (48), an electric push rod (46) is fixedly mounted in the lower shell (3), a fixed rod (47) is mounted at the output end of the electric push rod (46), and the fixed rod (47) is inserted into the fixed rod hole (45);
the top of the ear plate (5) is also provided with a reminding component (6).
2. The intelligent wireless remote-transmission valve-controlled Internet of things water meter disassembly preventing device according to claim 1, characterized in that: the ear plate (5) and the upper shell (2) are arranged in a pouring forming mode.
3. The intelligent wireless remote-transmission valve-controlled Internet of things water meter disassembly preventing device according to claim 1, characterized in that: the reminding assembly (6) comprises a screw groove (61), the head of the screw (41) is positioned in the screw groove (61), and a movable cavity (62) is formed between the head of the screw (41) and the inner wall of the screw groove (61);
the built-in upset piece (63) that is equipped with in activity chamber (62), upset piece (63) articulate on screw groove (61) inner wall, just upset piece (63) can upset piece (63) with pin joint between screw groove (61) inner wall is the centre of a circle and is the part circular motion to the slant soft strip (64) has been installed to the one end of upset piece (63) the position that the head of screw (41) corresponds soft strip (64) is opened there is bar groove (65).
4. The intelligent wireless remote-transmission valve-controlled Internet of things water meter disassembly preventing device according to claim 3, characterized in that: when the soft strip (64) is parallel to the bottom wall of the screw groove (61), part of the length of the soft strip (64) is positioned in the strip groove (65).
5. The intelligent wireless remote-transmission valve-controlled Internet of things water meter disassembly preventing device according to claim 3, characterized in that: the soft strip (64) is made of rubber materials, and the soft strip (64) is bonded with the turnover piece (63).
6. The intelligent wireless remote-transmission valve-controlled Internet of things water meter disassembly preventing device according to claim 3, characterized in that: and a blocking sleeve (7) is arranged above the movable cavity (62), and the blocking sleeve (7) can downwards move to cover the screw (41) and is in interference fit with the movable cavity (62).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110811743.7A CN113483840A (en) | 2021-07-19 | 2021-07-19 | Intelligent wireless remote-transmission valve-controlled Internet of things water meter anti-dismounting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110811743.7A CN113483840A (en) | 2021-07-19 | 2021-07-19 | Intelligent wireless remote-transmission valve-controlled Internet of things water meter anti-dismounting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113483840A true CN113483840A (en) | 2021-10-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110811743.7A Pending CN113483840A (en) | 2021-07-19 | 2021-07-19 | Intelligent wireless remote-transmission valve-controlled Internet of things water meter anti-dismounting device |
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| CN (1) | CN113483840A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1503895A (en) * | 1975-08-04 | 1978-03-15 | Sibe | Locking and protecting devices for adjusting screws |
| US4422674A (en) * | 1980-11-03 | 1983-12-27 | Rockwell International Corporation | Tamper proof gas meter |
| JPH08219137A (en) * | 1995-02-16 | 1996-08-27 | Ricoh Co Ltd | Electronic and electrical equipment |
| JP2001193723A (en) * | 2000-01-12 | 2001-07-17 | Nec Corp | Screw and screw hole mechanism |
| JP2005003192A (en) * | 2003-05-21 | 2005-01-06 | Sas Kk | Screw |
| JP2010135176A (en) * | 2008-12-04 | 2010-06-17 | Chugoku Electric Power Co Inc:The | Screw-member looseness preventing unit and terminal arrangement using same |
| CN201780132U (en) * | 2010-08-26 | 2011-03-30 | 河南新天科技股份有限公司 | Dustproof anti-dismounting dry cell-replaceable wet type intelligent water meter |
| CN103174728A (en) * | 2013-03-28 | 2013-06-26 | 北京汽车股份有限公司 | Anti-theft device for automobile license plate |
| WO2018138395A1 (en) * | 2017-01-25 | 2018-08-02 | Martin Martin Antonio Jose | Anti-theft battery bench |
-
2021
- 2021-07-19 CN CN202110811743.7A patent/CN113483840A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1503895A (en) * | 1975-08-04 | 1978-03-15 | Sibe | Locking and protecting devices for adjusting screws |
| US4422674A (en) * | 1980-11-03 | 1983-12-27 | Rockwell International Corporation | Tamper proof gas meter |
| JPH08219137A (en) * | 1995-02-16 | 1996-08-27 | Ricoh Co Ltd | Electronic and electrical equipment |
| JP2001193723A (en) * | 2000-01-12 | 2001-07-17 | Nec Corp | Screw and screw hole mechanism |
| JP2005003192A (en) * | 2003-05-21 | 2005-01-06 | Sas Kk | Screw |
| JP2010135176A (en) * | 2008-12-04 | 2010-06-17 | Chugoku Electric Power Co Inc:The | Screw-member looseness preventing unit and terminal arrangement using same |
| CN201780132U (en) * | 2010-08-26 | 2011-03-30 | 河南新天科技股份有限公司 | Dustproof anti-dismounting dry cell-replaceable wet type intelligent water meter |
| CN103174728A (en) * | 2013-03-28 | 2013-06-26 | 北京汽车股份有限公司 | Anti-theft device for automobile license plate |
| WO2018138395A1 (en) * | 2017-01-25 | 2018-08-02 | Martin Martin Antonio Jose | Anti-theft battery bench |
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