CN102646364A - A lock-type seal for an electric energy meter - Google Patents

A lock-type seal for an electric energy meter Download PDF

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Publication number
CN102646364A
CN102646364A CN2012100164036A CN201210016403A CN102646364A CN 102646364 A CN102646364 A CN 102646364A CN 2012100164036 A CN2012100164036 A CN 2012100164036A CN 201210016403 A CN201210016403 A CN 201210016403A CN 102646364 A CN102646364 A CN 102646364A
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China
Prior art keywords
seal
electric energy
energy meter
base
cover plate
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CN2012100164036A
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Chinese (zh)
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CN102646364B (en
Inventor
郑安刚
章欣
陈昊
张密
邹和平
巫钟兴
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State Grid Measurement Center
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State Grid Measurement Center
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Priority to CN201210016403.6A priority Critical patent/CN102646364B/en
Publication of CN102646364A publication Critical patent/CN102646364A/en
Priority to PCT/CN2012/082468 priority patent/WO2013107190A1/en
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Publication of CN102646364B publication Critical patent/CN102646364B/en
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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
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F3/00—Labels, tag tickets, or similar identification or indication means; Seals; Postage or like stamps
    • G09F3/02—Forms or constructions
    • G09F3/03—Forms or constructions of security seals
    • G09F3/0305—Forms or constructions of security seals characterised by the type of seal used
    • G09F3/0317—Forms or constructions of security seals characterised by the type of seal used having bolt like sealing means
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F3/00—Labels, tag tickets, or similar identification or indication means; Seals; Postage or like stamps
    • G09F3/02—Forms or constructions
    • G09F3/03—Forms or constructions of security seals
    • G09F3/0305—Forms or constructions of security seals characterised by the type of seal used
    • G09F3/0323—Forms or constructions of security seals characterised by the type of seal used having clamp-like sealing means
    • 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
    • G01R11/24—Arrangements for avoiding or indicating fraudulent use

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Security & Cryptography (AREA)
  • Theoretical Computer Science (AREA)
  • Gasket Seals (AREA)
  • Casings For Electric Apparatus (AREA)

Abstract

The utility model provides an electric energy meter hasp formula seal, includes the base and sets up the seal lid on the base, be equipped with the counter bore in the base, wear to establish the screw that is used for the rigid coupling electric energy meter body through this counter bore, the lower part of seal lid stretches into in the counter bore of base, be equipped with the boss of outside extension on the lower extreme outer peripheral face of seal lid, the inner wall circumference of counter bore is provided with elastic bulge in the base along, elastic bulge's lower tip to base tilt up, and downwardly extending and support and lean on the boss of seal lid. The electric energy meter lock catch type seal does not need to penetrate through a seal line and align and match each seal hole, completely meets the requirement of automatic seal of a production line, and is long in service life, convenient to install and firm in fixation; on the premise of not damaging the seal of the electric energy meter, the electric energy meter cannot be stolen, and the electric energy meter has better anti-theft, anti-counterfeiting and anti-electricity-stealing properties.

Description

A kind of electric energy meter bayonet type seal
Technical field
The invention belongs to the seal technical field, particularly a kind of electric energy meter bayonet type seal.
Background technology
Electric energy meter seal is that a kind of access by unauthorized persons that prevents is opened the device of electric energy meter, and it can prevent access by unauthorized persons change electric energy meter structure or be provided with to carry out stealing.At present, in power industry, traditional seal structure is to adopt Sealed wire to pass plastic casing; The seal screw again in two screw plugs to the seal structural member, adopts fixedly Sealed wire of the mode push or to rotate; Can not pull out Sealed wire with breaking under the prerequisite of Sealed wire not destroying the seal structural member, thereby can not rotate the seal screw, make unauthorized people can not turn on the seal screw; Open by the seal structure, play seal up, tamper-proof and anti-electricity-theft effect.Mainly there is the deficiency of following four aspects in this structure: one of which, and traditional seal need be worn Sealed wire, and installation steps are more loaded down with trivial details, and it is lower to seal up efficient; Its two, the theftproof performance of traditional seal structure is poor; Its three, the lead that traditional seal adopts, environmental pollution is serious, and the installment work personnel contact lead for a long time, is prone to cause poisoning; Its four, traditional seal is unfavorable for digital management and high efficiency automatic needs of sealing up.
Though prior art has been carried out many improvement to the seal structure, some need not wear Sealed wire, and installation steps are simplified; But because structure more complicated still, but also need carry out the correction between seal hole and other parts, so; Fitting operation is loaded down with trivial details, can't seal up automatically; The improvement of some seal structure then is temporarily can play the antitheft effect, but owing to still have defective on the structure; So seal is easy ageing relatively, through after a while, seal just reduces or has lost theftproof performance; So need frequent change, improved handling cost, be unfavorable for implementing.
Summary of the invention
In order to overcome the above-mentioned defective of prior art, it is good to the objective of the invention is to propose a kind of theftproof performance, is convenient to install and can satisfy the electric energy meter bayonet type seal of sealing up demand automatically.
The present invention realizes through following technical scheme:
A kind of electric energy meter bayonet type seal; Comprise base and seal lid; Be provided with counterbore in the said base, wear the screw that is used for affixed electric energy meter housing through this counterbore, said seal lid is positioned at the screw top; It is characterized in that: the bottom of said seal lid is stretched in the counterbore of base; The lower end outer peripheral face of said seal lid is provided with outward extending boss, circumferentially is provided with elastic bumps along the inwall of base, and the bottom of said elastic bumps is to the base tilt and on the boss that extends below and be resisted against the seal lid.
In the said structure, the material of base is a metal, and the material of seal lid is plastics, can not be destroyed when outside violence is impacted when base receives, and can good supporting intensity be provided for this seal.The form that this seal structure adopts above-mentioned elastic bumps to match with boss has realized the fastening of base and seal lid, so under the prerequisite of not destroying the seal structure, can not the seal lid be taken out from base.Adopt the fit structure of " its bottom is to the base tilt and on the boss that extends below and be resisted against the seal lid " between elastic bumps and boss; The elastic bumps of this structure need not to be in the state of being squeezed always; So effectively delayed the aging of elastic bumps; False proof, anti-theft is stronger, prolongs the serviceable life of seal; In addition, the one-piece construction of this seal is simple, need not carry out the aligned fit in each seal hole before installing, and directly installation gets final product, and is convenient to fitting operation, is applicable to that streamline seals up automatically, significantly reduces operation intensity, reduces cost raising output.
More excellent ground, said seal lid comprises the cylindrical sleeve of cover plate and upper and lower opening, the upper end outer peripheral face of said cylindrical sleeve is provided with outer convex edge, its lower end outer peripheral face is provided with outward extending boss; Said cover plate is arranged at the upper end of cylindrical sleeve, and the lower face of said cover plate offers the first rapid wear groove.
The structure of the first rapid wear groove on the cover board is set and since the intensity of the first rapid wear groove a little less than, so, can open cover plate, be convenient to maintenance through destroying the first rapid wear groove if need keep in repair the time.
More excellent ground, said cover plate and cylindrical sleeve adopt split-type structural or integrate shaped type structure; When cover plate and cylindrical sleeve employing split-type structural, weld perhaps bonding between the two.
More excellent ground is provided with the cavity that is used to install the seal label between said cover plate and the cylindrical sleeve.
Wherein, said cover plate and cylindrical sleeve adopt split-type structural, weld perhaps bonding between the two.
The concrete structure of this cavity is: the lower face of said cover plate is provided with first inner groovy; Relevant position in said cylindrical sleeve upper end is provided with and corresponding second inner groovy of first inner groovy, is formed for installing the cavity of seal label after said first inner groovy and second inner groovy are interlocked.
When this seal structure need not be provided with the seal label, cover plate and cylindrical sleeve can adopt split-type structural or integral structure, preferably processed integral structure, can improve the intensity of top cover so effectively, and simplified the seal structure, enhance productivity.When if seal need be provided with the seal label, cover plate and cylindrical sleeve adopt split-type structural, after the seal label is positioned in the cavity, cover plate should can be connected as a single entity through ultrasonic soldering or powerful viscose glue between cover plate and the cylindrical sleeve on the cylindrical sleeve top again.Through this seal label, can easily realize unified management to seal, this seal label can adopt electronics seal label, can realize the digital management to electric energy meter seal.
More excellent ground, the upper face of said cover plate offers the second rapid wear groove, and the opening of the said second rapid wear groove is less than the opening of the first rapid wear groove.If need keep in repair the time, can destroy the first rapid wear groove and/or the second rapid wear groove and open cover plate, be convenient to maintenance.
More excellent ground, the said first rapid wear groove is identical with the shape of the second rapid wear groove, all adopts rounded channels, V-type groove or the U type groove of depression.
More excellent ground, the upper end of said cylindrical sleeve offers groove, and the side of said groove is the conical surface, the conical surface of the side of said cover plate for matching with the groove side.
More excellent ground, the lateral surface of said cylindrical sleeve is provided with the conical surface, and the said conical surface is positioned at the top of boss, and the degree of tilt of the said conical surface is identical with the degree of tilt of said elastic bumps.Because the degree of tilt of the conical surface is identical with the degree of tilt of elastic bumps; So when the bottom of elastic bumps is resisted against on the boss of cylindrical sleeve; Elastic bumps can not receive the extruding force of cylindrical sleeve side; Help protecting elastic bumps, prolong the serviceable life of this seal structure, antitheft, anti-counterfeiting performance is better.
More excellent ground, said base is the cylindric of open upper end, said elastic bumps and base adopt the integrate shaped type structure.
The invention has the beneficial effects as follows: seal structure of the present invention, can be with being used for fixing the screw concealed in this seal structure, survivable of electric energy meter; In case this seal structure is destroyed, and just can't reduce, can remind the personnel of tabling look-up in time to change electric energy meter, antitheft, false proof, power-steeling preventing effect is better, is applicable to that streamline seals up automatically; Secondly, this seal structure is simpler, is convenient to fitting operation, because effective cooperation of elastic bumps and boss can effectively delay the aging of elastic bumps, not only has stronger anti-theft, also can prolong the serviceable life of seal; At last, can in the seal structure, increase the cavity that is used to place the seal mark, realize digital management electric energy meter with this.
Description of drawings
Fig. 1 is the structural representation of electric energy meter bayonet type seal embodiment of the present invention;
Fig. 2 is the structural representation of another embodiment of electric energy meter bayonet type seal of the present invention;
Fig. 3 is the application state figure of electric energy meter bayonet type seal of the present invention.
Among the figure: 1-seal lid, 2-base, 3-cover plate, 4-cylindrical sleeve, the 5-first rapid wear groove, 6-seal label, the 7-second rapid wear groove, 8-counterbore, 9-elastic bumps, the outer convex edge of 10-, 11-screw, 12-cavity, 13-boss, 14-electric energy meter housing.
Embodiment
Below in conjunction with accompanying drawing electric energy meter bayonet type seal of the present invention is described in further detail.
Embodiment 1
As shown in Figure 1, the electric energy meter bayonet type seal in this example comprises base 2 and is arranged on the seal lid 1 on the base.Wherein, the base material is a metal material, and seal lid material is plastics; Base 2 is provided with the column of counterbore 8 for the middle part, and it is that the side of cover plate 3 and cover plate is the conical surface that seal covers 1 top; Seal covers the cylindrical sleeve 4 that 1 bottom is the upper/lower terminal opening; The upper end outer peripheral face of cylindrical sleeve 4 is provided with the outer convex edge of a circle 10, its lower end outer peripheral face is provided with outward extending boss 13, and this boss can be provided with on the lower end outer peripheral face with cylindrical sleeve at interval, also can be arranged to a continuous circle; The upper surface of cylindrical sleeve 4 is provided with groove, and the side of groove also is made as the conical surface with respect to the side of cover plate 3; Cover plate 3 is located in the groove of cylindrical sleeve upper surface.In this example; Through outer convex edge 10 cylindrical sleeve 4 is connected in the counterbore 8 of base; And cylindrical sleeve 4 being fastened in the base 2 through boss 13, concrete snap-in structure is: the inwall along counterbores 8 in the base 2 is circumferentially with elastic bumps 9, and elastic bumps and base are integral structure; The set-up mode of this elastic bumps is consistent with the set-up mode of boss 13, can circumferentially be provided with at interval, also can be arranged to a continuous circle along base inner wall; The bottom of elastic bumps 9 is to base 2 tilt and on the boss that extends below and be resisted against cylindrical sleeve 4 13.Cylindrical sleeve 4 lateral surfaces are provided with the inverted conical surface, and this conical surface is positioned at the top of boss 13, specifically are positioned on the upper surface of boss, and the degree of tilt of this conical surface is identical with the degree of tilt of said elastic bumps.Cover plate 3 lower faces are provided with the first rapid wear groove 5, and cover plate 3 upper faces middle parts also is provided with the second rapid wear groove, 7, the first rapid wear grooves 5 and the second rapid wear groove 7 and all is set to the sphere that caves in, and the opening of the second rapid wear groove is less than the opening of the first rapid wear groove.The first rapid wear groove and the second rapid wear groove can also be set to V-type groove or U type groove as required.In this example, cover plate 3 adopts with cylindrical sleeve 4 and divides body structure, is provided with the cavity 12 that is used to install seal label 6 between the two; Seal label 6 is good to adopt electronics seal label, through the setting of cavity and electronics seal label, can carry out digital management to electric energy meter; Can be between cover plate 3 and the cylindrical sleeve 4 through ultrasonic soldering or bonding through seccotine.
As shown in Figure 3, when practical application, will treat that earlier the screw 11 of seal is installed in the counterbore 8 of base 2, the head of screw 11 is positioned at the counterbore 8 of base, and afterbody passes base 2 and is tightened on the electric energy meter housing 14 of treating seal; After the screw of treating seal 11 is tightened; Through cylindrical sleeve 4 seal lid 1 is fastened in the base 2; Thereby the one-piece construction of seal is fixed on the ammeter housing of treating seal, at last electronics seal label is put into the cavity 12 between cylindrical sleeve 4 and the cover plate 3, cover cover plate 3 again and get final product.
Seal structure in this example need not wear Sealed wire, need not carry out aligned fit, satisfy the demand that streamline is sealed up automatically fully the seal hole, and long service life is easy for installation, fixed simultaneously; Under the prerequisite of not destroying electric energy meter seal, can't carry out stealing to electric energy meter, have better antitheft, false proof, thief-proof electrical.
Embodiment 2
The structure of electric energy meter bayonet type seal and principle of work are same as embodiment 1 basically in this example, have only different to be:
As shown in Figure 2, the top cover plate 3 of seal lid 1 adopts the integrate shaped type structure with bottom cylindrical sleeve 4 in this example.When electric energy meter seal need not be provided with the seal label; Just need not be provided for placing the cavity 12 of seal label 6 between cover plate 3 and the cylindrical sleeve 4; In order effectively to improve the intensity of seal lid; And simplify the seal one-piece construction, enhance productivity, so the cover plate 3 of seal lid 1 is made as integral structure with cylindrical sleeve 4.
Should be noted that at last: above embodiment is only in order to technical scheme of the present invention to be described but not to its restriction; Although the present invention has been carried out detailed explanation with reference to the foregoing description; Under the those of ordinary skill in field be to be understood that: still can specific embodiments of the invention make amendment or be equal to replacement; And do not break away from any modification of spirit and scope of the invention or be equal to replacement, it all should be encompassed in the middle of the claim scope of the present invention.

Claims (9)

1.一种电能表锁扣式封印，包括底座和封印盖，所述底座内设有沉孔，通过该沉孔穿设用于固接电能表壳体的螺钉，所述封印盖位于螺钉上方，其特征在于：所述封印盖的下部伸入底座的沉孔中，所述封印盖的下端外周面上设有向外延伸的凸台，沿底座的内壁周向设置有弹性凸起，所述弹性凸起的下端部向底座内倾斜、且向下延伸并抵靠于封印盖的凸台上。1. A lock-type seal for an electric energy meter, comprising a base and a seal cover, a counterbore is provided in the base, through which a screw for affixing the housing of the electric energy meter is pierced, and the seal cover is positioned above the screw , it is characterized in that: the lower part of the sealing cover extends into the counterbore of the base, the outer peripheral surface of the lower end of the sealing cover is provided with an outwardly extending boss, and elastic protrusions are provided along the inner wall of the base in the circumferential direction, so that The lower end of the elastic protrusion is inclined inwardly of the base, extends downward and leans against the boss of the sealing cover. 2.如权利要求1所述的电能表锁扣式封印，其特征在于：所述封印盖包括盖板和上、下开口的柱状套，所述柱状套的上端外周面上设有外凸沿、其下端外周面上设有向外延伸的凸台；所述盖板设置于柱状套的上端，所述盖板的下板面开设有第一易损槽。2. The lock-type seal of the electric energy meter according to claim 1, wherein the seal cover includes a cover plate and a cylindrical sleeve with upper and lower openings, and a convex edge is provided on the outer peripheral surface of the upper end of the cylindrical sleeve. 1. An outwardly extending boss is provided on the peripheral surface of the lower end; the cover plate is arranged on the upper end of the columnar sleeve, and the lower plate surface of the cover plate is provided with a first vulnerable groove. 3.如权利要求2所述的电能表锁扣式封印，其特征在于：所述盖板与柱状套采用分体式结构或一体成型式结构；当盖板与柱状套采用分体式结构时，二者之间进行焊接或者粘接。3. The lock-type seal of the electric energy meter according to claim 2, characterized in that: the cover plate and the cylindrical sleeve adopt a split structure or an integrated structure; when the cover plate and the cylindrical sleeve adopt a split structure, the two Welding or bonding between them. 4.如权利要求2所述的电能表锁扣式封印，其特征在于：所述盖板与柱状套之间设有用于安装封印标签的空腔。4. The lock-type seal of the electric energy meter according to claim 2, wherein a cavity for installing a seal label is provided between the cover plate and the cylindrical sleeve. 5.如权利要求4所述的电能表锁扣式封印，其特征在于：所述盖板与柱状套采用分体式结构，二者之间进行焊接或者粘接。5. The lock-type seal of the electric energy meter according to claim 4, characterized in that: the cover plate and the column sleeve adopt a split structure, and the two are welded or bonded. 6.如权利要求2-5任一所述的电能表锁扣式封印，其特征在于：所述盖板的上板面开设有第二易损槽，所述第二易损槽的开口小于第一易损槽的开口。6. The lock-type seal of an electric energy meter according to any one of claims 2-5, wherein a second vulnerable groove is opened on the upper surface of the cover plate, and the opening of the second vulnerable groove is smaller than The opening of the first vulnerable slot. 7.如权利要求2-5任一所述的电能表锁扣式封印，其特征在于：所述柱状套的上端开设有凹槽，所述凹槽的侧面为锥面，所述盖板的侧面为与凹槽侧面相配合的锥面。7. The lock-type seal of an electric energy meter according to any one of claims 2-5, characterized in that: the upper end of the columnar sleeve is provided with a groove, the side of the groove is a conical surface, and the cover plate The side is a tapered surface matched with the side of the groove. 8.如权利要求2-5任一所述的电能表锁扣式封印，其特征在于：所述柱状套的外侧面上设有锥面，所述锥面位于凸台的上方，所述锥面的倾斜度与所述弹性凸起的倾斜度相同。8. The lock-type seal of an electric energy meter according to any one of claims 2-5, characterized in that: a tapered surface is provided on the outer surface of the cylindrical sleeve, the tapered surface is located above the boss, and the tapered surface The inclination of the surface is the same as that of the elastic protrusions. 9.如权利要求1所述的电能表锁扣式封印，其特征在于：所述底座为上端开口的圆柱状，所述弹性凸起与底座采用一体成型式结构。9. The lock-type seal of an electric energy meter according to claim 1, wherein the base is cylindrical with an open upper end, and the elastic protrusion and the base adopt an integrated structure.
CN201210016403.6A 2012-01-18 2012-01-18 Electric energy meter lock catch type seal Active CN102646364B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN201210016403.6A CN102646364B (en) 2012-01-18 2012-01-18 Electric energy meter lock catch type seal
PCT/CN2012/082468 WO2013107190A1 (en) 2012-01-18 2012-09-29 Lock-type seal for electric energy meter

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Application Number Priority Date Filing Date Title
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CN102646364B CN102646364B (en) 2015-07-08

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Cited By (4)

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CN102915676A (en) * 2012-11-12 2013-02-06 唐山创通科技有限公司 Instrument seal anti-fake method and one-off instrument seal
WO2013107190A1 (en) * 2012-01-18 2013-07-25 中国电力科学研究院 Lock-type seal for electric energy meter
CN103745660A (en) * 2014-01-16 2014-04-23 国家电网公司 A snap-on seal for an electric energy meter
CN105092912A (en) * 2015-08-28 2015-11-25 溧阳市华鹏电力仪表有限公司 Cost control intelligent ammeter convenient to be mounted and dismounted

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CN101369391A (en) * 2007-08-15 2009-02-18 武建华 Lead sealing structure of ammeter
US20090091144A1 (en) * 2007-10-05 2009-04-09 Robert Debrody Bolt Security Seal with Reusable Electronics Module and Bolt
CN201289665Y (en) * 2008-09-12 2009-08-12 深圳长城开发科技股份有限公司 Sealing device for tax control cashing machine
CN201796074U (en) * 2010-09-25 2011-04-13 郑州三晖电气股份有限公司 Intelligent electric energy meter programmable switch seal device
CN201975008U (en) * 2010-12-20 2011-09-14 深圳市科陆电子科技股份有限公司 Three-phase electric energy meter seal
CN102254484A (en) * 2011-07-19 2011-11-23 浙江省电力公司 Electric energy meter theft prevention sealing structure
CN202534271U (en) * 2012-01-18 2012-11-14 国网计量中心 Electric energy meter seal
CN202851570U (en) * 2012-04-28 2013-04-03 深圳市科陆电子科技股份有限公司 Ear seal screw used for connecting meter seat and upper cover of electric energy meter
CN202855193U (en) * 2012-09-17 2013-04-03 深圳市科陆电子科技股份有限公司 Seal of electric energy meter
CN202871190U (en) * 2012-11-12 2013-04-10 唐山创通科技有限公司 Disposable anti-counterfeit instrument label seal

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013107190A1 (en) * 2012-01-18 2013-07-25 中国电力科学研究院 Lock-type seal for electric energy meter
CN102915676A (en) * 2012-11-12 2013-02-06 唐山创通科技有限公司 Instrument seal anti-fake method and one-off instrument seal
CN103745660A (en) * 2014-01-16 2014-04-23 国家电网公司 A snap-on seal for an electric energy meter
CN105092912A (en) * 2015-08-28 2015-11-25 溧阳市华鹏电力仪表有限公司 Cost control intelligent ammeter convenient to be mounted and dismounted

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