CN104900145A - Rotary threading seal of electric energy meter - Google Patents
Rotary threading seal of electric energy meter Download PDFInfo
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- CN104900145A CN104900145A CN201410850928.9A CN201410850928A CN104900145A CN 104900145 A CN104900145 A CN 104900145A CN 201410850928 A CN201410850928 A CN 201410850928A CN 104900145 A CN104900145 A CN 104900145A
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- seal
- wires hole
- electric energy
- energy meter
- roll
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Abstract
The invention discloses a rotary threading seal of an electric energy meter. The rotary threading seal of the electric energy meter aims to conduct sealing conveniently and is high in sealing efficiency and good in theft security performance. The rotary threading seal of the electric energy meter comprises a cylindrical seal body and a seal cap. The upper end of the seal body is open, and the lower end of the seal body is closed. The seal cap is arranged in the opening in the upper end rotationally and used for covering the opening in the upper end of the seal body. A winding shaft is arranged on the inner end face of the seal cap. A reverse prevention self-locking mechanism is arranged between the seal body and the winding shaft. The reverse prevention self-locking mechanism comprises an inner ratchet wheel and a pawl, wherein the inner ratchet wheel is arranged on the inner side face of the seal body and coaxial with the winding shaft, and the pawl is arranged on the outer side face of the winding shaft and matched with the inner ratchet wheel. The outer side face of the seal body is provided with an outer upper threading hole and an outer lower threading hole. The winding shaft is provided with an inner upper threading hole and an inner lower threading hole.
Description
Technical field
The present invention relates to a kind of electric energy meter seal, be specifically related to a kind of electric energy meter and rotate threading seal.
Background technology
Electric energy meter seal is a kind of device preventing access by unauthorized persons from opening electric energy meter, and it can prevent access by unauthorized persons from changing electric energy meter structure or stealing is carried out in setting.At present, in power industry, tradition seal structure adopts lead sealing, and namely Sealed wire is through plastic casing, seal screw, again two screw plugs of Sealed wire in a lead, adopt pressure or turn mode fixes Sealed wire, therefore do not destroy seal structural member and break Sealed wire prerequisite under can not pull out Sealed wire, thus seal screw can not be rotated, make unauthorized people can not turn on seal screw, open by seal structure.This structure mainly has the following disadvantages: one, and the installation steps of traditional seal are more loaded down with trivial details.Its two, the lead sealing of traditional seal structure is easily pried open, and its theftproof performance is poor.Its three, the lead that traditional seal adopts, environmental pollution is serious, and installment work personnel Long Term Contact is plumbous, easily causes poisoning.
For overcoming existing technical deficiency, inventor is had to improve existing technology.Such as, China Patent Publication No. CN101813719A, publication date on August 25th, 2010, the name of innovation and creation is called a kind of electric energy meter seal, comprise seal main body and sealing wire, seal main body comprises first through hole and the second through hole, sealing wire is successively through the first through hole, electric energy meter and the second through hole, by hydraulic part in seal erecting equipment, the upper section of two through hole is subdued, sealing wire in holes is compressed, thus reaches and do not destroy the anti-electricity-theft performance that seal main body or sealing wire just cannot open electrical-energy meter cap.Although the electric energy meter seal of the program is have good anti-theft feature, but its seal needs to complete seal by hydraulic part in seal erecting equipment, its seal complicated operation, and seal efficiency is not good, and seal manually cannot be realized, unfavorable and actually to apply.
Summary of the invention
The object of the invention is to overcome deficiency of the prior art, provide a kind of seal easy to operate, seal efficiency is high, and the electric energy meter rotation threading seal that anti-theft security performance is good.
Technical scheme of the present invention is:
A kind of electric energy meter rotates threading seal, comprise columnar seal body and seal lid, the upper end open of described seal body, lower end closed, seal lid is arranged in upper end open for hiding seal body upper end open, rotating being arranged on of described seal lid hides in seal body upper end open, and is provided with the anti-taking off structure for preventing seal lid from being taken out by the upper port hiding seal body between screening seal body and seal lid; The inner face of described seal lid is provided with roll, and the rotating shaft coaxle of roll and seal lid is arranged, be provided with anti-reverse self-locking mechanism between described seal body and roll, this anti-reverse self-locking mechanism comprise be arranged on seal body medial surface and the handle ratchet wheel coaxial with roll and to be arranged on roll lateral surface and with the ratchet of handle ratchet wheel adaptation; Described this outside of screening seal is provided with outside upper through wires hole and outside lower through wires hole, and described roll is provided with interior upper through wires hole and interior underpass hole.
The other end of Sealed wire, when reality uses, by one end of Sealed wire through outside upper through wires hole and interior upper through wires hole, and is passed outside lower through wires hole and interior underpass hole by this programme seal; Then rotate seal lid, thus the Sealed wire by Sealed wire two ends is wrapped on the intrinsic roll of seal; When Sealed wire is wrapped in after on the intrinsic roll of seal, owing to being provided with anti-reverse self-locking mechanism between seal body and roll, the handle ratchet wheel of anti-reverse self-locking mechanism and ratchet can prevent roll reversed turning, therefore do not destroy seal structural member and break Sealed wire prerequisite under can not pull out Sealed wire, be wrapped in after on the intrinsic roll of seal at Sealed wire like this and just can complete seal operation, thus to have seal easy to operate for this seal, the high and feature that anti-theft security performance is good of seal efficiency.
As preferably, the outer face of described seal lid is provided with the operating grip for rotary seal stamp cover, and when electric energy meter rotates after threading seal completes seal, is fractureed by operating grip from its root.
Due to the setting of operating grip, rotary seal stamp cover can be carried out by hand-held handle when seal operates, seal can be facilitated like this to operate, improve seal efficiency; And after electric energy meter rotation threading seal completes seal, operating grip is fractureed from its root, makes seal drowning have the parts that can grip; Like this while facilitating seal to operate, effectively can also put forward the anti-theft security performance of seal further.
As preferably, seal lid and operating grip are plastic material, and seal lid and operating grip are formed in one structure, and operating grip is lamellar, and the thickness of operating grip root is less than the thickness of operating grip remainder.Because seal lid and operating grip are plastic material, like this can so that after electric energy meter rotation threading seal completes seal, operating grip fractures from its root by operator; And operating grip is lamellar, and the thickness of operating grip root is less than the thickness of operating grip remainder, and (namely the thickness of operating grip root is minimum, intensity is the most weak), be conducive to operator like this operating grip is fractureed from its root, avoid operating grip to fracture at middle part or middle and lower part, cause the root of operating grip still to stay seal and cover.
As preferably, anti-taking off structure comprises the annular slot that is arranged on seal lid side and is arranged on seal body medial surface, and the annular lug suitable with annular slot, this annular lug stretches in annular slot.The anti-taking off structure of this programme can, under the prerequisite not affecting the rotation of seal lid, prevent seal lid from being taken out by the upper port hiding seal body.
As preferably, be provided with toroidal membrane between through wires hole and interior underpass hole on roll, on interior, and outside upper through wires hole and outside lower through wires hole are positioned at the relative both sides of toroidal membrane; Described roll lower end is also provided with round baffle plate, and the edge of circle baffle plate is positioned at outside roll.Be arranged so that the Sealed wire by Sealed wire two ends is wrapped on the roll of the upper and lower both sides of dividing plate due to dividing plate, avoid mutual superposition, this is conducive to improving seal effect (preventing Sealed wire to be drawn out); And circle baffle plate can avoid Sealed wire to be deviate from by the lower end of roll, and seal was lost efficacy.
As preferably, outside upper through wires hole, outside lower through wires hole, interior upper through wires hole and interior underpass hole all extend along the radial direction of roll, and outside upper through wires hole and interior upper through wires hole are positioned at sustained height, and outside lower through wires hole and interior underpass hole are positioned at sustained height.This programme structure is conducive to the threading operation in seal process, improves threading efficiency.
As preferably, this outside of seal is also provided with the auxiliary through wires hole extended along roll radial direction, this auxiliary through wires hole and interior underpass hole are positioned at sustained height, and assist through wires hole and outside lower through wires hole just to setting.
As preferably, seal body is ladder barrel shape, and this seal body has a step, and the cross-sectional area on seal chamber body top is greater than the cross-sectional area of seal chamber body bottom; Described outside upper through wires hole and outside lower through wires hole are between seal body lower end and the step surface of seal body, and described interior upper through wires hole and interior underpass hole are positioned at below the step surface of seal body.
Because the cross-sectional area of seal chamber body bottom is less, the spatial volume between seal body medial surface and roll can be reduced like this, thus be conducive to improving seal effect after Sealed wire is wrapped on roll, namely prevent Sealed wire to be drawn out.
As preferably, handle ratchet wheel is positioned at below the step surface of seal body, and handle ratchet wheel is positioned at the top of outside upper through wires hole and outside lower through wires hole, and described ratchet is positioned at the top in through wires hole and underpass hole.Because the cross-sectional area of seal chamber body bottom is less, the length of ratchet can be reduced like this, thus improve the intensity of ratchet, be conducive to the anti-reverse ability improving anti-reverse self-locking mechanism; And handle ratchet wheel is positioned at the top of outside upper through wires hole and outside lower through wires hole, described ratchet is positioned at the top in through wires hole and underpass hole, and person can avoid Sealed wire to be wound on ratchet, and affects seal operation.
As preferably, in seal body, between seal lid and the step surface of seal body, be provided with electronic seal marking label.Electronic seal marking label be provided with the digital management being beneficial to electric energy meter.
As preferably, the upper surface of seal lid flushes with seal body upper surface or is positioned at the below of seal body upper surface.This programme structure can be conducive to the anti-theft effect improving seal.
As preferably, seal lid is rounded.
The invention has the beneficial effects as follows: have seal easy to operate, seal efficiency is high, and the feature that anti-theft security performance is good.
Accompanying drawing explanation
Fig. 1 is a kind of cross-sectional view that electric energy meter of the present invention rotates threading seal.
Fig. 2 is that electric energy meter of the present invention rotates threading seal front view.
Fig. 3 is that electric energy meter of the present invention rotates a kind of structural representation of threading seal when dispatching from the factory.
Fig. 4 is that electric energy meter of the present invention rotates a kind of structural representation of threading seal in actual seal process.
In figure: seal body 1, seal lid 2, operating grip 21, anti-taking off structure 3, annular slot 31, annular lug 32, electronic seal marking label 4, anti-reverse self-locking mechanism 5, ratchet 51, handle ratchet wheel 52, toroidal membrane 6, auxiliary through wires hole 7, circle baffle plate 8, roll 9, outside upper through wires hole 10a, outside lower through wires hole 10b, upper through wires hole 11a, interior underpass hole 11b, Sealed wire 12.
Embodiment
Below in conjunction with accompanying drawing and embodiment, the present invention is described in further detail:
As shown in Figure 1, a kind of electric energy meter rotation threading seal comprises columnar seal body 1 and seal lid 2.The upper end open of seal body, lower end closed.The seal body of the present embodiment is ladder barrel shape.This seal body has a step, and the cross-sectional area on seal chamber body top is greater than the cross-sectional area of seal chamber body bottom.Seal lid is rounded.Seal lid is arranged in upper end open for hiding seal body upper end open.The upper surface of seal lid flushes with seal body upper surface or is positioned at the below of seal body upper surface.Between seal lid and the step surface of seal body, electronic seal marking label 4 are provided with in seal body.Rotating being arranged on of seal lid hides in seal body upper end open.Seal lid and seal body are coaxially arranged.
The outer face of seal lid is provided with the operating grip 21 for rotary seal stamp cover.Seal lid and operating grip are plastic material.Seal lid and operating grip are formed in one structure.Operating grip is lamellar, and operating grip and seal lid perpendicular.The thickness of operating grip is less than 5 millimeters.The thickness of operating grip root is less than the thickness of operating grip remainder.After electric energy meter rotation threading seal completes seal, operating grip is fractureed from its root.
The anti-taking off structure 3 for preventing seal lid from being taken out by the upper port hiding seal body is provided with between screening seal body and seal lid.Anti-taking off structure comprises the annular slot 31 that is arranged on seal lid side and is arranged on seal body medial surface, and the annular lug 32 suitable with annular slot.This annular lug stretches in annular slot.
The inner face of seal lid is provided with roll 9, and the rotating shaft coaxle of roll and seal lid is arranged.Anti-reverse self-locking mechanism 5 is provided with between seal body and roll.This anti-reverse self-locking mechanism comprise be arranged on seal body medial surface and the handle ratchet wheel 52 coaxial with roll and to be arranged on roll lateral surface and with the ratchet 51 of handle ratchet wheel adaptation.Roll is plugged in handle ratchet wheel.Handle ratchet wheel in the present embodiment is positioned at below the step surface of seal body.
Hide this outside of seal and be provided with outside upper through wires hole 10a and outside lower through wires hole 10b.This outside of seal is also provided with the auxiliary through wires hole 7 extended along roll radial direction.This auxiliary through wires hole and interior underpass hole are positioned at sustained height, and auxiliary through wires hole and outside lower through wires hole are just to setting.Roll is provided with interior upper through wires hole 11a and interior underpass hole 11b.Be provided with toroidal membrane 6 between through wires hole and interior underpass hole on roll, on interior, and outside upper through wires hole and outside lower through wires hole are positioned at the relative both sides of toroidal membrane.Roll lower end is also provided with round baffle plate 8, and the edge of circle baffle plate is positioned at outside roll.Outside upper through wires hole, outside lower through wires hole, interior upper through wires hole and interior underpass hole all extend along the radial direction of roll, and outside upper through wires hole and interior upper through wires hole are positioned at sustained height, and outside lower through wires hole and interior underpass hole are positioned at sustained height.
Outside upper through wires hole in the present embodiment and outside lower through wires hole are between seal body lower end and the step surface of seal body.Interior upper through wires hole and interior underpass hole are positioned at below the step surface of seal body.Handle ratchet wheel is positioned at the top of outside upper through wires hole and outside lower through wires hole.Ratchet is positioned at the top in through wires hole and underpass hole.
The concrete use procedure that electric energy meter of the present invention rotates threading seal is as follows:
The first, by one end of Sealed wire 12 through outside upper through wires hole and interior upper through wires hole; And can by one end of Sealed wire through through wires hole on interior in actual production process, and tie a knot with Sealed wire be wound around a circle on roll after and be connected, one end of Sealed wire is fixed on roll; Then the other end of Sealed wire is passed outside upper through wires hole, this is external to be positioned at seal; And the state of this seal and Sealed wire is product produce before state, as shown in Figure 3.
Meanwhile, outside upper through wires hole and interior upper through wires hole are aligned, and outside lower through wires hole and interior underpass hole align.
The second, by the other end of Sealed wire through outside lower through wires hole, interior underpass hole and auxiliary through wires hole, as shown in Figure 4.
3rd, rotate seal lid and roll by operating grip, until rotational lock, thus the Sealed wire by Sealed wire two ends is wrapped on the intrinsic roll of seal;
After electric energy meter rotation threading seal completes seal, operating grip is fractureed from its root; So far seal operation is completed.
Claims (10)
1. an electric energy meter rotates threading seal, comprise columnar seal body (1) and seal lid (2), the upper end open of described seal body, lower end closed, seal lid is arranged in upper end open for hiding seal body upper end open, it is characterized in that, rotating being arranged on of described seal lid hides in seal body upper end open, and is provided with the anti-taking off structure (3) for preventing seal lid from being taken out by the upper port hiding seal body between screening seal body and seal lid;
The inner face of described seal lid is provided with roll (9), and the rotating shaft coaxle of roll and seal lid is arranged, be provided with anti-reverse self-locking mechanism (5) between described seal body and roll, this anti-reverse self-locking mechanism comprise be arranged on handle ratchet wheel (52) on seal body medial surface and coaxial with roll and to be arranged on roll lateral surface and with the ratchet (51) of handle ratchet wheel adaptation; Described this outside of screening seal is provided with outside upper through wires hole (10a) and outside lower through wires hole (10b), and described roll is provided with interior upper through wires hole (11a) and interior underpass hole (11b).
2. a kind of electric energy meter according to claim 1 rotates threading seal, it is characterized in that, the outer face of described seal lid is provided with the operating grip (21) for rotary seal stamp cover, and after electric energy meter rotation threading seal completes seal, is fractureed by operating grip from its root.
3. a kind of electric energy meter according to claim 2 rotates threading seal, it is characterized in that, described seal lid and operating grip are plastic material, seal lid and operating grip are formed in one structure, operating grip is lamellar, and the thickness of operating grip root is less than the thickness of operating grip remainder.
4. a kind of electric energy meter according to claim 1 rotates threading seal, it is characterized in that, described anti-taking off structure comprises the annular slot (31) that is arranged on seal lid side and is arranged on seal body medial surface, and the annular lug suitable with annular slot (32), this annular lug stretches in annular slot.
5. a kind of electric energy meter according to claim 1 or 2 or 3 or 4 rotates threading seal, it is characterized in that, be provided with toroidal membrane (6) between through wires hole and interior underpass hole on described roll, on interior, and outside upper through wires hole and outside lower through wires hole are positioned at the relative both sides of toroidal membrane; Described roll lower end is also provided with round baffle plate (8), and the edge of circle baffle plate is positioned at outside roll.
6. a kind of electric energy meter according to claim 1 or 2 or 3 or 4 rotates threading seal, it is characterized in that, described outside upper through wires hole, outside lower through wires hole, interior upper through wires hole and interior underpass hole all extend along the radial direction of roll, and outside upper through wires hole and interior upper through wires hole are positioned at sustained height, outside lower through wires hole and interior underpass hole are positioned at sustained height.
7. a kind of electric energy meter according to claim 6 rotates threading seal, it is characterized in that, described this outside of seal is also provided with the auxiliary through wires hole (7) extended along roll radial direction, this auxiliary through wires hole and interior underpass hole are positioned at sustained height, and auxiliary through wires hole and outside lower through wires hole are just to setting.
8. a kind of electric energy meter according to claim 1 or 2 or 3 or 5 rotates threading seal, it is characterized in that, described seal body is ladder barrel shape, and this seal body has a step, and the cross-sectional area on seal chamber body top is greater than the cross-sectional area of seal chamber body bottom; Described outside upper through wires hole and outside lower through wires hole are between seal body lower end and the step surface of seal body, and described interior upper through wires hole and interior underpass hole are positioned at below the step surface of seal body.
9. a kind of electric energy meter according to claim 8 rotates threading seal, it is characterized in that, described handle ratchet wheel is positioned at below the step surface of seal body, and handle ratchet wheel is positioned at the top of outside upper through wires hole and outside lower through wires hole, and described ratchet is positioned at the top in through wires hole and underpass hole.
10. a kind of electric energy meter according to claim 8 rotates threading seal, it is characterized in that, is provided with electronic seal marking label (4) in described seal body between seal lid and the step surface of seal body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410850928.9A CN104900145A (en) | 2014-12-30 | 2014-12-30 | Rotary threading seal of electric energy meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410850928.9A CN104900145A (en) | 2014-12-30 | 2014-12-30 | Rotary threading seal of electric energy meter |
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| Publication Number | Publication Date |
|---|---|
| CN104900145A true CN104900145A (en) | 2015-09-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410850928.9A Pending CN104900145A (en) | 2014-12-30 | 2014-12-30 | Rotary threading seal of electric energy meter |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105355138A (en) * | 2015-09-30 | 2016-02-24 | 扬州瑞福智能科技有限公司 | Electronic lead seal |
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| CN105355138A (en) * | 2015-09-30 | 2016-02-24 | 扬州瑞福智能科技有限公司 | Electronic lead seal |
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Application publication date: 20150909 |