CN111911514A - Anti-theft lead sealing screw for electric energy meter - Google Patents
Anti-theft lead sealing screw for electric energy meter Download PDFInfo
- Publication number
- CN111911514A CN111911514A CN202010684688.5A CN202010684688A CN111911514A CN 111911514 A CN111911514 A CN 111911514A CN 202010684688 A CN202010684688 A CN 202010684688A CN 111911514 A CN111911514 A CN 111911514A
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- China
- Prior art keywords
- groove
- lead sealing
- screw
- electric energy
- energy meter
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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.)
- Pending
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- 238000007789 sealing Methods 0.000 title claims abstract description 33
- 238000003825 pressing Methods 0.000 claims abstract description 22
- 230000007246 mechanism Effects 0.000 claims description 9
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 description 3
- 235000010627 Phaseolus vulgaris Nutrition 0.000 description 2
- 244000046052 Phaseolus vulgaris Species 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000013475 authorization Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B39/00—Locking of screws, bolts or nuts
- F16B39/02—Locking of screws, bolts or nuts in which the locking takes place after screwing down
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B23/00—Specially shaped nuts or heads of bolts or screws for rotations by a tool
- F16B23/0084—Specially shaped nuts or heads of bolts or screws for rotations by a tool with a threaded engagement between the head of the bolt or screw and the tool
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B41/00—Measures against loss of bolts, nuts, or pins; Measures against unauthorised operation of bolts, nuts or pins
- F16B41/002—Measures against loss of bolts, nuts or pins
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R11/00—Electromechanical arrangements for measuring time integral of electric power or current, e.g. of consumption
- G01R11/02—Constructional details
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R11/00—Electromechanical arrangements for measuring time integral of electric power or current, e.g. of consumption
- G01R11/02—Constructional details
- G01R11/04—Housings; Supporting racks; Arrangements of terminals
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Burglar Alarm Systems (AREA)
Abstract
The invention discloses an anti-theft lead sealing screw for an electric energy meter, which comprises a screw body consisting of a screw cap and a screw rod body integrally formed at the lower end of the screw cap, wherein the upper end of the screw cap is provided with a groove, the bottom of the groove is provided with a non-circular groove, a detachably connected pressing body is arranged in the groove, the front outer side surface and the rear outer side surface of the screw cap are respectively provided with a lead sealing rope through hole communicated with the groove, the pressing body presses and fixes a lead sealing rope in the groove, and the pressing body is provided with a vertically arranged threaded hole.
Description
[ technical field ] A method for producing a semiconductor device
The invention relates to the technical field of fasteners, in particular to the technical field of anti-theft lead sealing screws of electric energy meters.
[ background of the invention ]
In the electric energy meter manufacturing industry, in order to prevent that the meter cover is opened without authorization by a user to change meter parameters, almost all electric energy meter covers adopt a lead seal structure, fixing screws of the meter cover and a base are sealed by lead seals, so that the lead seal screws cannot be unscrewed and withdrawn, the meter cover is prevented from being opened illegally, relevant parameters are changed, the existing lead seal structure generally comprises a lead seal bean and a lead seal rope, a special tool is required for press fitting during the press fitting, and the whole electric energy meter is disposable, so that the use cost is increased, and the use is inconvenient.
The existing lead sealing screw generally has no anti-theft effect.
[ summary of the invention ]
The invention aims to solve the problems in the prior art, and provides an anti-theft lead sealing screw for an electric energy meter, which can reduce the use cost, is convenient to use and has an anti-theft function.
In order to achieve the purpose, the invention provides an anti-theft lead sealing screw for an electric energy meter, which comprises a screw body consisting of a screw cap and a screw rod body integrally formed at the lower end of the screw cap, wherein a groove is formed in the upper end of the screw cap, a non-circular groove is formed in the bottom of the groove, a detachably connected pressing body is arranged in the groove, lead sealing rope through holes communicated with the groove are formed in the front outer side surface and the rear outer side surface of the screw cap, the pressing body presses and fixes the lead sealing rope in the groove, and a vertically arranged threaded hole is formed in the pressing body.
Preferably, the non-circular groove has a cross-section in the shape of a regular polygon.
Preferably, the bottom of the non-circular groove is provided with a cross groove.
Preferably, the thread direction of the threaded hole is different from the thread direction of a conventional thread.
Preferably, the circumferential surface of the pressing body is provided with an annular groove, the annular groove is internally provided with a connecting mechanism, and the groove is provided with an annular connecting groove matched with the connecting mechanism.
Preferably, the connecting mechanism comprises an annular body and an arc-shaped elastic body uniformly arranged on the outer peripheral surface of the annular body, and the arc-shaped elastic body is matched with the annular connecting groove.
Preferably, the bottom of the pressing body is provided with a net-shaped texture.
The invention has the beneficial effects that: according to the invention, the upper end of the nut is provided with the groove, the bottom of the groove is provided with the non-circular groove, the groove is internally provided with the detachably connected pressing body, the front outer side surface and the rear outer side surface of the nut are respectively provided with the lead sealing rope through holes communicated with the groove, the pressing body presses and fixes the lead sealing rope in the groove, the pressing body is provided with the vertically arranged threaded hole, the use of lead sealing beans is cancelled, and a special tool is not needed for pressing and mounting; the design of the threaded hole is convenient for the pressing body to be pulled out and the disassembly during maintenance, and the special screw is matched with the threaded hole, so that the threaded hole has an anti-theft effect while being disassembled and assembled; the screw thread direction of the screw hole is different from the screw thread direction of the conventional screw thread, so that the anti-theft effect is further improved.
The features and advantages of the present invention will be described in detail by embodiments in conjunction with the accompanying drawings.
[ description of the drawings ]
Fig. 1 is a schematic structural diagram of an anti-theft lead sealing screw of an electric energy meter.
In the figure: the elastic sealing device comprises a 1-nut, a 2-bolt body, a 3-groove, a 4-pressing body, a 5-lead sealing rope perforation, a 6-threaded hole, a 7-noncircular groove, an 8-cross groove, a 9-annular groove, a 10-connecting mechanism, an 11-annular connecting groove, a 101-annular body and a 102-arc-shaped elastic body.
[ detailed description ] embodiments
Referring to fig. 1, the anti-theft lead sealing screw for the electric energy meter comprises a screw body consisting of a screw cap 1 and a screw rod body 2 integrally formed at the lower end of the screw cap 1, wherein the upper end of the screw cap 1 is provided with a groove 3, the bottom of the groove 3 is provided with a non-circular groove 7, a detachably connected pressing body 4 is arranged in the groove 3, the front outer side surface and the rear outer side surface of the screw cap 1 are respectively provided with a lead sealing rope through hole 5 communicated with the groove 3, the pressing body 4 presses and fixes the lead sealing rope in the groove 3, the cross section of the non-circular groove 7 is in a regular polygon shape, the bottom of the non-circular groove 7 is provided with a cross groove 8, the pressing body 4 is provided with a vertically arranged threaded hole 6, the thread direction of the threaded hole 6 is different from the thread direction of a conventional thread, the circumferential surface of the pressing body 4 is provided with an annular groove 9, the groove 3 is provided with an annular connecting groove 11 matched with the connecting mechanism 10, the connecting mechanism 10 comprises an annular body 101 and arc-shaped elastic bodies 102 uniformly arranged on the outer peripheral surface of the annular body 101, the arc-shaped elastic bodies 102 are matched with the annular connecting groove 11, and the bottom of the pressing body 4 is provided with net-shaped grains.
The working process of the invention is as follows:
in the working process of the anti-theft lead sealing screw for the electric energy meter, after the screw body is screwed down, the lead sealing rope is arranged on the meter cover in a penetrating way, two ends of the lead sealing rope penetrate through the lead sealing rope through holes 5 and extend into the groove 3, and then the pressing body 4 is pressed into the groove 3.
During the dismantlement, with special screw in screw hole 6, when the lower extreme of special screw contradicts at the tank bottom of recess 3, special screw pivoted drives the clamp 4 upward movement simultaneously, finally pulls out clamp 4 from recess 3.
The above embodiments are illustrative of the present invention, and are not intended to limit the present invention, and any simple modifications of the present invention are within the scope of the present invention.
Claims (7)
1. The utility model provides an electric energy meter theftproof lead sealing screw which characterized in that: include the screw body that constitutes by nut (1) and integrated into one piece at the screw body (2) of nut (1) lower extreme, the upper end of nut (1) is equipped with recess (3), the tank bottom of recess (3) is equipped with non-circular recess (7), be equipped with in recess (3) and dismantle the body (4) that compresses tightly of connecting, two lateral surfaces all are equipped with the lead sealing rope perforation (5) that communicate with recess (3) around nut (1), compress tightly body (4) and press the fastening to the lead sealing rope in recess (3) and decide, be equipped with screw hole (6) of vertical setting on compressing tightly body (4).
2. The electric energy meter anti-theft lead sealing screw as claimed in claim 1, characterized in that: the cross section of the non-circular groove (7) is in a regular polygon shape.
3. The electric energy meter anti-theft lead sealing screw as claimed in claim 2, characterized in that: the bottom of the non-circular groove (7) is provided with a cross groove (8).
4. The electric energy meter anti-theft lead sealing screw as claimed in claim 1, characterized in that: the thread direction of the threaded hole (6) is different from the thread direction of a conventional thread.
5. The electric energy meter anti-theft lead sealing screw as claimed in claim 1, characterized in that: the circumferential surface of the pressing body (4) is provided with an annular groove (9), a connecting mechanism (10) is arranged in the annular groove (9), and an annular connecting groove (11) matched with the connecting mechanism (10) is arranged on the groove (3).
6. The electric energy meter anti-theft lead sealing screw as claimed in claim 5, characterized in that: the connecting mechanism (10) comprises an annular body (101) and arc-shaped elastic bodies (102) uniformly arranged on the outer peripheral surface of the annular body (101), and the arc-shaped elastic bodies (102) are matched with the annular connecting groove (11).
7. An electric energy meter anti-theft lead sealing screw according to any one of claims 1 to 6, characterized in that: the bottom of the pressing body (4) is provided with reticular lines.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010684688.5A CN111911514A (en) | 2020-07-16 | 2020-07-16 | Anti-theft lead sealing screw for electric energy meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010684688.5A CN111911514A (en) | 2020-07-16 | 2020-07-16 | Anti-theft lead sealing screw for electric energy meter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111911514A true CN111911514A (en) | 2020-11-10 |
Family
ID=73280333
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010684688.5A Pending CN111911514A (en) | 2020-07-16 | 2020-07-16 | Anti-theft lead sealing screw for electric energy meter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111911514A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113655258A (en) * | 2021-08-12 | 2021-11-16 | 嘉兴震辰五金科技股份有限公司 | Anti-theft lead sealing screw for electric energy meter |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2232218A (en) * | 1989-06-02 | 1990-12-05 | Frederick John Yarrow | Security fasteners for preventing theft or vandalism |
| JP2017044344A (en) * | 2015-08-26 | 2017-03-02 | 李超芸 | Semi-inverse screw thread removal screw |
| CN206773034U (en) * | 2017-03-24 | 2017-12-19 | 慈溪市宏泽五金有限公司 | Electric energy meter Antitheft lead seal screw |
| CN206770375U (en) * | 2017-03-24 | 2017-12-19 | 慈溪市宏泽五金有限公司 | A kind of lead sealing internal lead sealing screw |
| CN206770356U (en) * | 2017-03-24 | 2017-12-19 | 慈溪市宏泽五金有限公司 | Reverse stopping lead seal screw of electric powr meter |
| CN109296612A (en) * | 2018-12-07 | 2019-02-01 | 浙江盛世瑞金紧固件有限公司 | A kind of anti-theft bolt of good anti-theft effect |
-
2020
- 2020-07-16 CN CN202010684688.5A patent/CN111911514A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2232218A (en) * | 1989-06-02 | 1990-12-05 | Frederick John Yarrow | Security fasteners for preventing theft or vandalism |
| JP2017044344A (en) * | 2015-08-26 | 2017-03-02 | 李超芸 | Semi-inverse screw thread removal screw |
| CN206773034U (en) * | 2017-03-24 | 2017-12-19 | 慈溪市宏泽五金有限公司 | Electric energy meter Antitheft lead seal screw |
| CN206770375U (en) * | 2017-03-24 | 2017-12-19 | 慈溪市宏泽五金有限公司 | A kind of lead sealing internal lead sealing screw |
| CN206770356U (en) * | 2017-03-24 | 2017-12-19 | 慈溪市宏泽五金有限公司 | Reverse stopping lead seal screw of electric powr meter |
| CN109296612A (en) * | 2018-12-07 | 2019-02-01 | 浙江盛世瑞金紧固件有限公司 | A kind of anti-theft bolt of good anti-theft effect |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113655258A (en) * | 2021-08-12 | 2021-11-16 | 嘉兴震辰五金科技股份有限公司 | Anti-theft lead sealing screw for electric energy meter |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20201110 |