CN202039681U - Disposable burglar-proof electricity meter box lock - Google Patents
Disposable burglar-proof electricity meter box lock Download PDFInfo
- Publication number
- CN202039681U CN202039681U CN2011200713937U CN201120071393U CN202039681U CN 202039681 U CN202039681 U CN 202039681U CN 2011200713937 U CN2011200713937 U CN 2011200713937U CN 201120071393 U CN201120071393 U CN 201120071393U CN 202039681 U CN202039681 U CN 202039681U
- Authority
- CN
- China
- Prior art keywords
- meter box
- electricity meter
- lock
- expansion ring
- ring spring
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Burglar Alarm Systems (AREA)
Abstract
The utility model discloses a disposable burglar-proof electricity meter box lock, comprising a T-shaped lock rod and a lock body. The lock body is provided with a lock hole, which is provided with an annular groove inside; an expansion ring spring is fixed to the lower end of the T-shaped lock rod; and the expansion ring spring is shaped as a barrel and the periphery of the barrel wall of the expansion ring spring is provided with at least three axial kerfs. The disposable burglar-proof electricity meter box lock employs the expansion ring spring to lock the T-shaped lock rod for unidirectional locking and enables an electricity meter box cover to be locked with an electricity meter box body, thereby effectively preventing a burglar from opening the electricity meter box to steal electricity.
Description
One, technical field: the utility model relates to a kind of electricity meter box theftproof lock, particularly relates to a kind of disposable electricity meter box theftproof lock.
Two, background technology: along with the sustainable development of economic technology and the quick raising of living standard, people are also more and more heavier to the demand of electric power, and the electricity expense of paying is also more and more.In the face of high electricity expense usefulness, some people makes a desperate move, and carries out continuous stealing, and this directly affects the economic benefit of electric power enterprise.In order to break off or to reduce power loss, electric power enterprise has to increase the personnel that patrol and examine, and increases and patrol and examine density, and this has increased entreprise cost, and has increased the weight of work about electric power personnel's labour intensity.
Three, utility model content:
Technical problem to be solved in the utility model is: overcome the deficiencies in the prior art, a kind of uniqueness, simple in structure and disposable electricity meter box theftproof lock that power-steeling preventing effect is good of designing is provided.
The technical solution of the utility model is: a kind of disposable electricity meter box theftproof lock, contain T shape locking bar and lock body, described lock body is provided with lockhole, be provided with annular groove in the described lockhole, described T shape locking bar lower end is fixed with the expansion ring spring, described expansion ring spring is barrel-shaped, and bucket wall is provided with at least three axial joint-cuttings around it.
Described expansion ring spring the bucket end by screw on the lower surface of described T shape locking bar.Described lockhole is a through hole, and the lower end of described lockhole is welded with cover plate.
The beneficial effects of the utility model are:
1, the utility model adopts expansion ring spring locking T shape locking bar, and unidirectional stop can be locked together in the case lid and the casing of electricity meter box together, the molecule that avoids theft the effectively stealing of unpacking.
2, the utility model lockhole is a through hole, and the lower end of lockhole is welded with cover plate, and this structure is convenient to process annular groove, cuts down finished cost.
3, the utility model design is unique, simple in structure and power-steeling preventing effect is good, and it is applied widely, has good economic benefit after the popularization.
Four, description of drawings:
Fig. 1 is the structural representation of disposable electricity meter box theftproof lock.
Five, the specific embodiment:
Embodiment: referring to Fig. 1, among the figure, 1-T shape locking bar, 2-lock body, 3-expansion ring spring, 4-screw, 5-cover plate.
Disposable electricity meter box theftproof lock contains T shape locking bar 1 and lock body 2, lock body 2 is provided with lockhole, be provided with annular groove in the lockhole, expansion ring spring 3 is barrel-shaped, be fixed on the lower surface of T shape locking bar 1 by screw 4 at the bottom of its barrel, bucket wall is provided with at least three axial joint-cuttings around it, forms a plurality of arc spring leafs, is convenient to spreading and contraction.
Lockhole is a through hole, and this structure is convenient to process annular groove, cuts down finished cost, and the lower end of lockhole is welded with cover plate 5, is convenient to sealing keyhole.
During use, the lower end of T shape locking bar 1 is inserted in the lockhole of lock body 2, expansion ring spring 3 shrinks during beginning, when being inserted into the annular groove in the lockhole by the time, expansion ring spring 3 spreadings form reversed acanthoid, and T shape locking bar 1 just can not be pulled out, T shape locking bar 1 and lock body 2 are locked together in the case lid and the casing of electricity meter box together, the molecule that avoids theft the effectively stealing of unpacking.
Claims (3)
1. disposable electricity meter box theftproof lock, contain T shape locking bar and lock body, it is characterized in that: described lock body is provided with lockhole, be provided with annular groove in the described lockhole, described T shape locking bar lower end is fixed with the expansion ring spring, described expansion ring spring is barrel-shaped, and bucket wall is provided with at least three axial joint-cuttings around it.
2. disposable electricity meter box theftproof lock according to claim 1 is characterized in that: described expansion ring spring the bucket end by screw on the lower surface of described T shape locking bar.
3. disposable electricity meter box theftproof lock according to claim 1 is characterized in that: described lockhole is a through hole, and the lower end of described lockhole is welded with cover plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200713937U CN202039681U (en) | 2011-03-18 | 2011-03-18 | Disposable burglar-proof electricity meter box lock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200713937U CN202039681U (en) | 2011-03-18 | 2011-03-18 | Disposable burglar-proof electricity meter box lock |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202039681U true CN202039681U (en) | 2011-11-16 |
Family
ID=44967130
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200713937U Expired - Fee Related CN202039681U (en) | 2011-03-18 | 2011-03-18 | Disposable burglar-proof electricity meter box lock |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202039681U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103485601A (en) * | 2013-09-27 | 2014-01-01 | 中科恒源科技股份有限公司 | Disposable anti-theft lock |
| WO2018205268A1 (en) * | 2017-05-12 | 2018-11-15 | 华为技术有限公司 | Door lock assembly and device |
-
2011
- 2011-03-18 CN CN2011200713937U patent/CN202039681U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103485601A (en) * | 2013-09-27 | 2014-01-01 | 中科恒源科技股份有限公司 | Disposable anti-theft lock |
| CN103485601B (en) * | 2013-09-27 | 2015-08-26 | 中科恒源科技股份有限公司 | Disposable theftproof lock |
| WO2018205268A1 (en) * | 2017-05-12 | 2018-11-15 | 华为技术有限公司 | Door lock assembly and device |
| CN109661496A (en) * | 2017-05-12 | 2019-04-19 | 华为技术有限公司 | A kind of door lock assembly and device |
| CN109661496B (en) * | 2017-05-12 | 2020-11-27 | 华为技术有限公司 | Door lock assembly and device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111116 Termination date: 20120318 |