CN205374552U - Three -phase digital electricity meter - Google Patents
Three -phase digital electricity meter Download PDFInfo
- Publication number
- CN205374552U CN205374552U CN201620064829.2U CN201620064829U CN205374552U CN 205374552 U CN205374552 U CN 205374552U CN 201620064829 U CN201620064829 U CN 201620064829U CN 205374552 U CN205374552 U CN 205374552U
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- Prior art keywords
- upper cover
- electric energy
- energy meter
- cover
- phase digital
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Abstract
The utility model discloses a three -phase digital electricity meter, including a base, an upper cover and a face guard, the both sides face upper portion of base respectively is equipped with at least one opening, the lower part of upper cover both sides face be equipped with with the lug of opening one -to -one, the opening with lug looks adaptation, the top of upper cover both sides face do not is provided with protruding edge, the face guard both sides respectively are provided with at least one couple, the couple with the protruding looks adaptation of following. The utility model discloses all adopt left -hand thread formula structure to fix between three -phase digital electricity meter's base and upper cover and upper cover and the face guard, simple to operate owing to do not need the screw fixation, has avoided the screw because of losing efficacy for a long time and behind the air catalytic oxidation simultaneously, has improved reliability and security.
Description
Technical field
This utility model relates to power domain, particularly relates to a kind of three-phase digital electric energy meter.
Background technology
Electric energy meter is the product that every household is required for, therefore, its not only in precision, structure to improve development, also to solve when mounted that labor intensity is big, efficiency is low, the problem of consumptive material consuming time.Existing electric energy meter all adopts screw as the fixed structure of each parts, and as exposed for a long time, screw is oxidation and rusting very easily in atmosphere, loses the fixation of itself, reliability, safety are brought harm.
Utility model content
Technical problem to be solved in the utility model is: provides a kind of and installs accurate compact three-phase digital electric energy meter convenient, that reliability is high, safety is high.
In order to solve above-mentioned technical problem, the technical solution adopted in the utility model is: a kind of three-phase digital electric energy meter, including a base, a upper cover and a face shield, the top, two sides of described base is respectively provided with at least one opening, the bottom of described upper cover two sides is provided with and described opening projection one to one, and described opening is suitable with described projection；The top of described upper cover two sides is respectively arranged with convex edge, and described face shield both sides are each provided with at least one hook, and described hook is suitable with described convex edge.
Further, the length of described convex edge 22 is consistent with the lateral width of described upper cover 2.
Further, the two sides of described upper cover 2 are respectively provided with 4-6 described convex edge 22, described hook 31 and described convex edge 22 one_to_one corresponding.
Further, the two sides of described base 1 are respectively provided with 4-6 described opening 11.
Further, also including two cover plates 4, described cover plate 4 includes a top panel 41, side plate 42, and described side plate 42 compresses the upper end, side of described base 1, and described top panel 41 covers the upper surface of described upper cover 2.
Further, each cover plate 4 is provided with at least two cross bore 43, in described cross bore 43, is provided with lead sealing screw 6.
Further, described cover plate 4 also includes two hangers 44, and described hangers 44 one end connects described top panel 41, and the other end upwardly extends, and arranges a perforate 45 on the described other end, and described perforate 45 matches with the projection 23 on front side of upper cover and on rear side.
Further, also including a translucent cover 5, described translucent cover 5 is arranged between upper cover 2 and face shield 3.
Further, the side of described translucent cover is provided with flange, is provided with the draw-in groove suitable with described flange or boss inside the upper end of described upper cover.
Further, the side plate of described cover plate is provided with attacker.
The beneficial effects of the utility model are in that: all adopt back-buckling type structure to be fixed between base and upper cover and upper cover and the face shield of this utility model precision three-phase digital electric energy meter, easy for installation, simultaneously because need not fix by screw, avoid screw because losing efficacy after long-time and air contact oxidation, improve reliability and safety.
Accompanying drawing explanation
Fig. 1 is the STRUCTURE DECOMPOSITION figure of this utility model embodiment one three-phase electric energy meter；
Fig. 2 is the longitudinal sectional view of this utility model embodiment one three-phase electric energy meter；
Fig. 3 is the left-hand thread structural representation of this utility model embodiment one base and upper cover；
Fig. 4 is the left-hand thread structural representation of this utility model embodiment one upper cover and face shield；
Fig. 5 is the STRUCTURE DECOMPOSITION figure of this utility model embodiment two three-phase electric energy meter；
Fig. 6 is the overall schematic of this utility model embodiment two three-phase electric energy meter；
Fig. 7 is the lead seal structure schematic diagram of this utility model embodiment two；
Fig. 8 is the STRUCTURE DECOMPOSITION figure of this utility model embodiment three.
Label declaration:
1, base；11, opening；2, upper cover；21, projection；22, convex edge；23, protruding；25, riser；26, lead sealing interface；27, buckle 3, face shield；31, hook；32, limit is hung；33, form hole；4, cover plate；41, top panel；42, side plate；43, cross bore；44, hangers；45, perforate；46, attacker；5, translucent cover；51, flange.
Detailed description of the invention
By describing technology contents of the present utility model in detail, being realized purpose and effect, below in conjunction with embodiment and coordinate accompanying drawing to be explained.
The design of this utility model most critical is in that: utilize back-buckling type structure to instead of the screw fixed structure of tradition electric energy meter, easy for installation, safety, reliability height.
Refer to Fig. 1, a kind of three-phase digital electric energy meter, including base 1, upper cover 2 and a face shield 3, the top, two sides of described base 1 is respectively provided with at least one opening 11, the bottom of described upper cover 2 two sides is provided with and described opening 11 projection 21 one to one, and described opening 11 is suitable with described projection 21；The top of described upper cover 2 two sides is respectively arranged with convex edge 22, and described face shield 3 both sides are each provided with at least one hook 31, and described hook 31 is suitable with described convex edge 22.
Known from the above, the beneficial effects of the utility model are in that: all adopt back-buckling type structure to be fixed between base and upper cover and upper cover and the face shield of this utility model precision three-phase digital electric energy meter, easy for installation, simultaneously because need not fix by screw, avoid screw because losing efficacy after long-time and air contact oxidation, improve reliability and safety.
Further, the length of described convex edge 22 is consistent with the lateral width of described upper cover 2.
Further, the two sides of described upper cover 2 are respectively provided with 4-6 described convex edge 22, described hook 31 and described convex edge 22 one_to_one corresponding.
Further, the two sides of described base 1 are respectively provided with 4-6 described opening 11.
Seen from the above description, the stability that multiple left-hand thread structure can improve between parts further is utilized.
Further, also including two cover plates 4, described cover plate 4 includes a top panel 41, side plate 42, and described side plate 42 compresses the upper end, side of described base 1, and described top panel 41 covers the upper surface of described upper cover 2.
Seen from the above description, utilize cover plate firm banking and upper cover, can further improve stability.
Further, each cover plate 4 is provided with at least two cross bore 43, in described cross bore 43, is provided with lead sealing screw 6.
Seen from the above description, lead sealing screw is utilized can to prevent malice dismounting, change electric energy meter.
Further, described cover plate 4 also includes two hangers 44, and described hangers 44 one end connects described top panel 41, and the other end upwardly extends, and arranges a perforate 45 on the described other end, and described perforate 45 matches with the projection 23 on front side of upper cover and on rear side.
Seen from the above description, utilize hangers cover plate and upper cover to be fixed, can further improve structural stability.
Further, also including a translucent cover 5, described translucent cover 5 is arranged between upper cover 2 and face shield 3.
Further, the side of described translucent cover is provided with flange, is provided with the draw-in groove suitable with described flange or boss inside the upper end of described upper cover.
Further, the side plate of described cover plate is provided with attacker.
Seen from the above description, cover plate can be easy to open.
Embodiment one
Refer to Fig. 1-4, embodiment one of the present utility model is: a kind of accurate three-phase digital electric energy meter, all utilizes back-buckling type structure to be fixed including base 1, upper cover 2 and face shield 3, base 1 and upper cover 2 and upper cover 2 and face shield 3.Fig. 1 show each STRUCTURE DECOMPOSITION figure, and described base 1, upper cover 2 and face shield 3 are arranged from bottom to top.Fig. 2 show base 1, upper cover 2 and face shield 3 and is installed together later longitudinal sectional view.
Base 1 is cube shape, and the top of two sides is each provided with at least one opening 11 around, in order to improve structural stability, preferably opening 11 quantity of every side is 4-6, further, the distance between described opening 11 and the upper end of base 1 is 2-6cm, it is preferable that 3-5cm.
Upper cover 2 can be cube shape, it is preferable that convex shape as shown in Figure 1, and namely lower width is more than top, and the planar dimension of bottom is identical with the planar dimension of base.The left and right sides of bottom are multiple buckles 27, internal for inserted base 1.Described buckle 27 arranged outside has and described opening 11 projection 21 one to one, and the vertical section of described projection 21 is triangle, and its size is suitable with described opening 11, and described projection 21 can be integrative-structure with upper cover 2, it is possible to is Split type structure.Described projection and bottom, upper cover side, namely the distance of buckle 27 bottom is 2-5cm, it is preferable that 3-4cm.Being respectively arranged with convex edge 22 inside the left and right sides on upper cover 2 top, optionally, described convex edge 22 can be a strip, extends the side of whole upper cover, and namely its length is consistent or basically identical with the width w of upper cover side；Optionally, described convex edge 22 can also be multiple, and namely every side is provided with multiple convex edge 22, and interval, multiple convex edge is arranged, it is preferable that every side arranges 4-6.Described convex edge 22 can be integrative-structure with upper cover 2, it is possible to is Split type structure.
Face shield 3 size is equivalently-sized or essentially identical with the upper plane of upper cover 2, and as depicted in figs. 1 and 2, face shield 3 four limit is equipped with extension limit 32, hangs the highly preferred 1-3cm on limit.Multiple hook 31 it is respectively arranged with, the preferred 4-6 of quantity of the hook 31 of every side inside the lower section at face shield about 3 two ends.When convex edge 22 has multiple, the quantity of described hook 31 is consistent with convex edge 22.The top of described hook 31 is resisted against the inner side hanging limit 32, and hook portion is formed at bottom, and the groove formed between hook portion and extension lower end, limit is suitable with described convex edge.
As in figure 2 it is shown, when upper cover is fastened on base, projection 21 is snapped in described opening 11 from the inner side of base, the upper end of the upper surface abutment openings 11 of projection 21 forms left-hand thread structure, makes both fix.When face shield fastens with upper cover, convex edge 22 forms left-hand thread structure with hook 31, concrete, and convex edge 22 is snapped in hook hook portion and hangs in the groove formed between lower end, limit, makes both fix.It is illustrated in figure 3 between base 1 and upper cover 2 left-hand thread structure, the i.e. partial schematic diagram in region shown in K in Fig. 2.It is illustrated in figure 4 between upper cover 2 and face shield 3 left-hand thread structure, and the partial schematic diagram in region shown in M in Fig. 2.
Further, in Fig. 1, second left-hand thread structure between first left-hand thread structure and upper cover and face shield between base and upper cover may be contained within the left and right sides, optionally, it is also possible to is formed in different sides.Such as first left-hand thread structure is formed in the left and right sides, and second left-hand thread structure is formed in both sides, front and back, and the latter first is formed in both sides, front and back, and both sides are being done in second formation.
Back-buckling type structure is all adopted to be fixed between base and upper cover and upper cover and the face shield of the present embodiment precision three-phase digital electric energy meter, easy for installation, simultaneously because need not fix by screw, it is to avoid screw because of long-time aoxidize with air contact after inefficacy, improve reliability and safety.
Embodiment two
As shown in Figure 5, this utility model embodiment two adds two cover plates 4 on the basis of embodiment one, described cover plate 4 includes a top panel 41 and top panel 41 side plate 42 connected vertically and two hangers 44, described side plate 42 connects one end of top panel 41, described hangers 44 is generally u-shaped, one end of U-shaped connects the other end of described top panel 41, two hangers connect the rear and front end of top panel respectively, the other end of described hangers 44 upwardly extends, and the other end of hangers is further opened with perforate 45.
As shown in Figure 6, when cover plate 4 is assembled together with base 1, upper cover 2, face shield 3, the side plate 42 of cover plate 4 is pressed on the upper end of base 1 side, and the top panel 41 of cover plate 4 is then pressed on the upper surface of upper cover, i.e. the stepped portions of convex shape structure.Described hangers is then pressed on front side of upper part of the cover and rear side, and is provided with protruding 23 on front side of described upper upper part of the cover and on rear side, and the perforate 45 of described hangers is protruding 23 suitable with described.Further base 1 and upper cover 2 are fixed by described cover plate 4, improve its stability.
Preferably, in order to be easy to open cover plate, an attacker 46 can be set outside the side plate 42 of cover plate.
Safety is used, it is to avoid malice is dismantled, changed electric energy meter and privately dismount circuit, is also provided with at least two lead sealing screw on each cover plate 4 in order to improve electric energy meter further.Concrete, as it is shown in figure 5, be provided with riser 25 on the step surface of upper cover 2, riser 25 is provided with lead sealing interface 26, it is preferable that arrange two risers 25 on each step.The top panel 41 of cover plate 4 is provided with and described riser cross bore 43 one to one.In Fig. 6 shown in the G of region, when cover plate and upper cover fit together, described riser 25 is exactly in cross bore 43.The partial schematic diagram being illustrated in figure 7 in Fig. 6 region G, arranges lead sealing screw in described cross bore 43.
The present embodiment utilizes cover plate and lead sealing screw to further increase the firm of electric energy meter and reliability, lead sealing screw then have to be destroyed to dismounting cover plate, lead sealing screw, once destroy, cannot restore, and therefore can find malice dismounting ammeter in time or privately dismount the behavior of circuit.
Embodiment three
As shown in Figure 8, embodiment three of the present utility model further increases translucent cover 5 on the basis of embodiment one or embodiment two, and translucent cover 5 is arranged between face shield 3 and upper cover 2.The rear and front end of translucent cover is provided with flange 51, is provided with corresponding draw-in groove or boss (not shown) inside the upper end of upper cover 2, and when upper cover 2, translucent cover 5 fit together, flange 51 can be arranged in described draw-in groove or be positioned on described boss.
Preferably, described face shield 3 is provided with a form hole 33, through the situation within form hole 33 and translucent cover 5 observable electric energy meter, including the basic connection etc. of the electricity shown and electric wire.
In sum, back-buckling type structure is all adopted to be fixed between base and upper cover and upper cover and the face shield of the accurate three-phase digital electric energy meter that this utility model provides, easy for installation, simultaneously because need not fix by screw, avoid screw because losing efficacy after long-time and air contact oxidation, improve reliability and safety；This utility model also utilizes cover plate to improve the steadiness of base and upper cover；Meanwhile, the lead sealing screw between cover plate and upper cover is prevented from malice and dismantles electric energy meter, further increases the reliability of electric energy meter.
The foregoing is only embodiment of the present utility model; not thereby the scope of the claims of the present utility model is limited; every equivalents utilizing this utility model description and accompanying drawing content to make; or directly or indirectly it is used in relevant technical field, all in like manner include in scope of patent protection of the present utility model.
Claims (10)
1. a three-phase digital electric energy meter, including a base, a upper cover and a face shield, it is characterised in that the top of the two sides of described base is respectively provided with at least one opening, the bottom of the two sides of described upper cover is provided with and described opening projection one to one, and described opening is suitable with described projection；The top of described upper cover two sides is respectively arranged with convex edge, and described face shield both sides are each provided with at least one hook, and described hook is suitable with described convex edge.
2. a kind of three-phase digital electric energy meter according to claim 1, it is characterised in that the length of described convex edge is consistent with the lateral width of described upper cover.
3. a kind of three-phase digital electric energy meter according to claim 1, it is characterised in that the two sides of described upper cover are respectively provided with 4-6 described convex edge, described hook and described convex edge one_to_one corresponding.
4. a kind of three-phase digital electric energy meter according to claim 1, it is characterised in that the two sides of described base are respectively provided with 4-6 described opening.
5. a kind of three-phase digital electric energy meter according to any one of claim 1-4, it is characterized in that, also including two cover plates, described cover plate includes a top panel, side plate, described side plate compresses the upper end, side of described base, and described top panel covers the upper surface of described upper cover.
6. a kind of three-phase digital electric energy meter according to claim 5, it is characterised in that be provided with at least two cross bore on each cover plate, be provided with lead sealing screw in described cross bore.
7. a kind of three-phase digital electric energy meter according to claim 5, it is characterised in that described cover plate also includes two hangers, described hangers one end connects described top panel, the other end upwardly extends, and arranges a perforate on the described other end, on front side of described perforate and upper cover and the projection of rear side suitable.
8. a kind of three-phase digital electric energy meter according to any one of claim 1-4, it is characterised in that also including a translucent cover, described translucent cover is arranged between upper cover and face shield.
9. a kind of three-phase digital electric energy meter according to claim 8, it is characterised in that the side of described translucent cover is provided with flange, is provided with the draw-in groove suitable with described flange or boss inside the upper end of described upper cover.
10. a kind of three-phase digital electric energy meter according to claim 5, it is characterised in that be provided with attacker on the side plate of described cover plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620064829.2U CN205374552U (en) | 2016-01-22 | 2016-01-22 | Three -phase digital electricity meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620064829.2U CN205374552U (en) | 2016-01-22 | 2016-01-22 | Three -phase digital electricity meter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205374552U true CN205374552U (en) | 2016-07-06 |
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ID=56273185
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620064829.2U Expired - Fee Related CN205374552U (en) | 2016-01-22 | 2016-01-22 | Three -phase digital electricity meter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205374552U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105486898A (en) * | 2016-01-22 | 2016-04-13 | 李冬 | Three-phase digital electric energy meter |
-
2016
- 2016-01-22 CN CN201620064829.2U patent/CN205374552U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105486898A (en) * | 2016-01-22 | 2016-04-13 | 李冬 | Three-phase digital electric energy meter |
| CN105486898B (en) * | 2016-01-22 | 2019-03-15 | 李冬 | A kind of three-phase digital electric energy meter |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170727 Address after: 518000 Guangdong province Shenzhen Guangming New District Office of Gongming Ma mountain community third industrial zone 33 Patentee after: SHENZHEN CHUANGREN TECHNOLOGY Co.,Ltd. Address before: 518000, 33, third industrial zone, Mashan community, Gongming street, Guangming District, Shenzhen, Guangdong Patentee before: Li Dong |
|
| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160706 Termination date: 20220122 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |