CN201697680U - Anti-theft meter connector and special unlocking tool thereof - Google Patents
Anti-theft meter connector and special unlocking tool thereof Download PDFInfo
- Publication number
- CN201697680U CN201697680U CN2010202400260U CN201020240026U CN201697680U CN 201697680 U CN201697680 U CN 201697680U CN 2010202400260 U CN2010202400260 U CN 2010202400260U CN 201020240026 U CN201020240026 U CN 201020240026U CN 201697680 U CN201697680 U CN 201697680U
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- Prior art keywords
- antitheft
- nut
- meter connector
- magnet
- annular convex
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- 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.)
- Expired - Fee Related
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Abstract
The utility model discloses an anti-theft meter connector, which comprises a meter connector and a nut connected with the meter connector. An anti-theft shell is arranged outside the nut and can move on the nut along the axial direction and rotate freely around the nut, a limit assembly arranged between the nut and the anti-theft shell can limit axial movement of the anti-theft shell in a locking state and comprises a counter bore I, a magnet I and an elastic component, wherein the counter bore 1 is arranged on the outer side face of one end of the nut along the radial direction, the magnet I is arranged in the counter bore I, and the elastic component pushes the magnet I out of the counter bore I. The anti-theft meter connector also comprises an annular convex shoulder I, the annular convex shoulder I is arranged in the anti-theft shell, the side of the annular convex shoulder I far away from the nut is a vertical surface, and the magnet I props against the vertical surface to limit the axial movement of the anti-theft shell. In addition, the utility model provides a special unlocking tool for the anti-theft meter connector. The anti-theft meter connector has a simple structure. The limit structure is completely separated from the outside by the anti-theft shell, thereby effectively preventing the stealing and unauthorized removal. The cost of the anti-theft meter connector is low. Moreover, the anti-theft meter connector can be conveniently and rapidly removed with the special unlocking tool.
Description
Technical field
The utility model relates to a kind of antitheft meter connector, is mainly used in the antitheft dismantling prevention of gauging tables such as water meter, heat energy table, gas meter, and the special-purpose unlocking tool of this antitheft meter connector.
Background technology
Before adopting the gauging table that is threaded at present a meter connector is installed all, this meter connector can be tightened or unscrews with common wrench, some people has utilized this shortcoming of meter connector to dismantle gauging table privately, make water, heat energy, coal gas etc. without metering, caused greater loss for water supply, air feed enterprise.The way that some antitheft dismantling preventions are also arranged on the market now, as " lead sealing method ", " two disposable plastic covers of button on the attaching nut ", " ratchet device; can only tighten and to unscrew ", preceding two kinds of schemes can not play real antitheft effect, and these three kinds of schemes can not reuse after changing meter connector, have improved use cost.
In addition also just like China national Department of Intellectual Property on January 20th, 2010 a disclosed name be called the application for a patent for invention of " theftproof joint of pipeline ", publication number is CN101629659A, a kind of theftproof joint of pipeline is disclosed in this application for a patent for invention instructions, comprise tubular outer sleeve body, nut, fittings body in a tubular form, this nut one end medial surface has a retaining edge, fittings body is located in the nut, has annular convex shoulder on the fittings body, retaining is along being buckled on this annular convex shoulder, outer sleeve body is set in the nut and the fittings body outside, be provided with the position-limit mechanism that makes the outer sleeve body axial restraint between outer sleeve body and the fittings body, outer sleeve body is provided with the jack of unblanking, the pipeline anti-theft nut also has a unlocking tool, when jack was unblanked in this unlocking tool insertion, the position-limiting action that can remove above-mentioned position-limit mechanism can slide outer sleeve body on fittings body.Utilize special-purpose unlocking tool, the people who is ignorant of this joint can't be unblanked, but jack is connected owing to unblank between position-limit mechanism and the external world, and special-purpose unlocking tool also is to unblank with the position-limit mechanism contact matching, and so still the people that can be had the inclination opens easily.
The utility model content
Problem to be solved in the utility model just provides a kind of antitheft meter connector simple in structure and special-purpose unlocking tool thereof, and the position limiting structure and the external world are separated fully, effective antitheft dismantling prevention, and cost is low, utilizes the convenient and swift dismounting of special-purpose unlocking tool energy.
In order to solve the problems of the technologies described above, the utility model adopts following technical scheme: a kind of antitheft meter connector, comprise meter connector and the nut that is connected with meter connector, it is characterized in that: outside nut, be provided with antitheft shell, antitheft shell moves axially on nut and can rotate freely around nut, between nut and antitheft shell, be provided with spacing assembly and under lockup state, limit antitheft columella to moving, described spacing assembly comprises the counterbore I that radially is located at nut one end lateral surface, and the elastic component that is located at the magnet I in the counterbore I and magnet I is extrapolated toward counterbore I, also comprise the annular convex shoulder I that is located at antitheft shell inside, the side that annular convex shoulder I goes up away from nut is a vertical plane, and magnet I blocks vertical plane and limits moving axially of antitheft shell.
Further, described annular convex shoulder I is the dip plane near a side of nut upward.Be convenient to automatically lock.
Further, described counterbore I is distributed on the lateral surface of nut.
Further, an end of described antitheft shell is provided with annular convex shoulder II, and under lockup state, annular convex shoulder II is stuck on the end face of nut.
Further, the other end of described antitheft shell is provided with annular convex shoulder III, and under released state, annular convex shoulder III is stuck in and prevents on the magnet I that antitheft shell from deviating from from nut.
Further, the other end lateral surface of described nut is provided with groove, be provided with the elastic collar that prevents antitheft shell mistake lock under released state in the groove, the distance between elastic collar and the magnet I is not more than the vertical plane of annular convex shoulder I and the distance between the annular convex shoulder III.
Further, described elastic collar is provided with breach, also is provided with and pulls out handle, and it is relative with the position of breach to pull out handle.
Further, the end of described meter connector is provided with seal.
The utility model also provides a kind of special-purpose unlocking tool of this antitheft meter connector in addition, it is characterized in that: comprise left semi-ring and right semi-ring, on left semi-ring and right semi-ring, all radially be provided with corresponding counterbore II with counterbore I, be provided with magnet II in the counterbore II, the magnetic pole of the magnetic pole of magnet II and magnet I is oppositely arranged.Utilize the magneticaction between magnet to unblank convenient and swift.
After adopting technique scheme, the utlity model has following advantage: with antitheft shell the position limiting structure and the external world are separated fully, effective antitheft dismantling prevention, cost is low, utilizes the convenient and swift dismounting of special-purpose unlocking tool energy.
Description of drawings
The utility model is described in further detail below in conjunction with accompanying drawing:
Fig. 1 is the structural representation of a kind of embodiment of the utility model;
Fig. 2 is the structural representation of nut;
Fig. 3 is the structural representation of antitheft shell;
Fig. 4 is the structural representation of elastic collar;
Fig. 5 is the structural representation of special-purpose unlocking tool;
Fig. 6 is the structural representation under lockup state embodiment illustrated in fig. 1.
Embodiment
The structural representation of a kind of embodiment of the utility model shown in Fig. 1 to 6, a kind of antitheft meter connector, the nut 2 that comprises meter connector 1 and be connected with meter connector, outside nut, be provided with antitheft shell 3, antitheft shell moves axially on nut and can rotate freely around nut, between nut and antitheft shell, be provided with spacing assembly and under lockup state, limit antitheft columella to moving, described spacing assembly comprises the counterbore I21 that radially is located at nut one end lateral surface, and the elastic component 5 that is located at the magnet I4 in the counterbore I and magnet I is extrapolated toward counterbore I, also comprise the annular convex shoulder I31 that is located at antitheft shell inside, counterbore I is distributed on the lateral surface of nut, the side of annular convex shoulder I is a vertical plane 311, the opposite side of annular convex shoulder I is dip plane 312, and magnet I blocks vertical plane and limits moving axially of antitheft shell.One end of antitheft shell is provided with annular convex shoulder II32, and under lockup state, annular convex shoulder II is stuck on the end face of nut.The other end of antitheft shell is provided with annular convex shoulder III33, and under released state, annular convex shoulder III is stuck in and prevents on the magnet I that antitheft shell from deviating from from nut.The other end lateral surface of nut is provided with groove 22, be provided with the elastic collar 6 that prevents antitheft shell mistake lock under released state in the groove, distance between elastic collar and the magnet I is not more than the vertical plane of annular convex shoulder I and the distance between the annular convex shoulder III, elastic collar is provided with breach 61, also be provided with and pull out handle 62, it is relative with the position of breach to pull out handle.The end of meter connector is provided with seal 11.
The utility model also provides a kind of special-purpose unlocking tool 7 of this antitheft meter connector in addition, comprise left semi-ring 71 and right semi-ring 72, on left semi-ring and right semi-ring, all radially be provided with corresponding counterbore II73 with counterbore I, be provided with magnet II8 in the counterbore II, the magnetic pole homopolarity of the magnetic pole of magnet II and magnet I is oppositely arranged, the mutual repulsive force that utilizes the magnetic pole homopolarity to produce relatively pushes back magnet I among the counterbore I, thereby makes annular convex shoulder I break away from the restriction of magnet I to realize release.
In the foregoing description, the elastic component that is located among the counterbore I is spring or elastic sheet metal.
The utility model is simple in structure, with antitheft shell the position limiting structure and the external world is separated fully, effective antitheft dismantling prevention, and cost is low, utilizes the magneticaction between magnet to realize convenient and swift dismounting.
Except that above preferred embodiment, the utility model also has other embodiment, those skilled in the art can make various changes and distortion according to the utility model, only otherwise break away from spirit of the present utility model, all should belong to the defined scope of the utility model claims.
Claims (9)
1. antitheft meter connector, the nut (2) that comprises meter connector (1) and be connected with meter connector, it is characterized in that: outside nut, be provided with antitheft shell (3), antitheft shell moves axially on nut and can rotate freely around nut, between nut and antitheft shell, be provided with spacing assembly and under lockup state, limit antitheft columella to moving, described spacing assembly comprises the counterbore I (21) that radially is located at nut one end lateral surface, and the elastic component (5) that is located at the magnet I (4) in the counterbore I and magnet I is extrapolated toward counterbore I, also comprise the annular convex shoulder I (31) that is located at antitheft shell inside, the side of annular convex shoulder I is vertical plane (311), and magnet I blocks vertical plane and limits moving axially of antitheft shell.
2. a kind of antitheft meter connector according to claim 1 is characterized in that: the opposite side of described annular convex shoulder I is dip plane (312).
3. a kind of antitheft meter connector according to claim 1 is characterized in that: described counterbore I is distributed on the lateral surface of nut.
4. a kind of antitheft meter connector according to claim 1 is characterized in that: an end of described antitheft shell is provided with annular convex shoulder II (32), and under lockup state, annular convex shoulder II is stuck on the end face of nut.
5. a kind of antitheft meter connector according to claim 1 is characterized in that: the other end of described antitheft shell is provided with annular convex shoulder III (33), and under released state, annular convex shoulder III is stuck in and prevents on the magnet I that antitheft shell from deviating from from nut.
6. a kind of according to claim 1 or 5 antitheft meter connector, it is characterized in that: the other end lateral surface of described nut is provided with groove (22), be provided with the elastic collar (6) that prevents antitheft shell mistake lock under released state in the groove, the distance between elastic collar and the magnet I is not more than the vertical plane of annular convex shoulder I and the distance between the annular convex shoulder III.
7. a kind of antitheft meter connector according to claim 6 is characterized in that: described elastic collar is provided with breach (61), also is provided with and pulls out handle (62), and it is relative with the position of breach to pull out handle.
8. a kind of antitheft meter connector according to claim 1 is characterized in that: the end of described meter connector is provided with seal (11).
9. the special-purpose unlocking tool (7) of an antitheft meter connector, it is characterized in that: comprise left semi-ring (71) and right semi-ring (72), on left semi-ring and right semi-ring, all radially be provided with and the corresponding counterbore II of counterbore I (73), be provided with magnet II (8) in the counterbore II, the magnetic pole of the magnetic pole of magnet II and magnet I is oppositely arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202400260U CN201697680U (en) | 2010-06-25 | 2010-06-25 | Anti-theft meter connector and special unlocking tool thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202400260U CN201697680U (en) | 2010-06-25 | 2010-06-25 | Anti-theft meter connector and special unlocking tool thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201697680U true CN201697680U (en) | 2011-01-05 |
Family
ID=43398928
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202400260U Expired - Fee Related CN201697680U (en) | 2010-06-25 | 2010-06-25 | Anti-theft meter connector and special unlocking tool thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201697680U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105258754A (en) * | 2015-09-28 | 2016-01-20 | 宁波忻杰燃气用具实业有限公司 | Anti-disassembly gas meter connector |
| CN110398271A (en) * | 2018-04-24 | 2019-11-01 | 浙江盾安智控科技股份有限公司 | Valve before Anti-theft gas meter |
-
2010
- 2010-06-25 CN CN2010202400260U patent/CN201697680U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105258754A (en) * | 2015-09-28 | 2016-01-20 | 宁波忻杰燃气用具实业有限公司 | Anti-disassembly gas meter connector |
| CN105258754B (en) * | 2015-09-28 | 2018-08-24 | 宁波忻杰燃气用具实业有限公司 | Anti-demolition diaphragm gas meter connector |
| CN110398271A (en) * | 2018-04-24 | 2019-11-01 | 浙江盾安智控科技股份有限公司 | Valve before Anti-theft gas meter |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 311835 Zhuji port industrial area, Zhejiang Patentee after: ZHEJIANG DUNAN INTELLIGENT CONTROL TECHNOLOGY CO., LTD. Address before: 311835 Zhuji port industrial area, Zhejiang Patentee before: Zhejiang Dun'an Valve Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110105 Termination date: 20190625 |