CN110376411B - Electric energy meter connection structure - Google Patents
Electric energy meter connection structure Download PDFInfo
- Publication number
- CN110376411B CN110376411B CN201910734816.XA CN201910734816A CN110376411B CN 110376411 B CN110376411 B CN 110376411B CN 201910734816 A CN201910734816 A CN 201910734816A CN 110376411 B CN110376411 B CN 110376411B
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- Prior art keywords
- end button
- button box
- electric energy
- energy meter
- box
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- 238000010586 diagram Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- 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
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Connections Arranged To Contact A Plurality Of Conductors (AREA)
Abstract
The invention discloses an electric energy meter connecting structure which comprises an upper shell, a lower shell and an end button box, wherein the end button box comprises a lower end button box, a middle end button box and an upper end button box, the lower end button box and the lower shell are integrally formed, the middle end button box is detachably arranged in the lower end button box, a first limiting block and a second limiting block are arranged at two ends of the lower end button box, a groove is formed between the first limiting block and the second limiting block, the first limiting block and the second limiting block are provided with inclined surfaces which are arranged outwards, sliding guide surfaces are arranged at positions, corresponding to the grooves, of two ends of the lower shell, and extension parts which can slide along the sliding guide surfaces and are inserted into the grooves are arranged at two ends of the middle end button box. The terminal box has better fixed connection function, is not easy to loosen, can enable the passing current to reach 200-250A, and has the advantages of larger and more accurate measuring range compared with the current measured in the market which is about 120A.
Description
Technical Field
The invention relates to the technical field of electric energy meters, in particular to an electric energy meter connecting structure.
Background
Chinese patent publication No. CN202757973U discloses a case of an electric energy meter, which includes a base and an upper cover that form the case, and a terminal box provided on the base; the end button box has the advantages that the end button box can be reliably fixed on the base to ensure that the end button box cannot loosen.
Another example is chinese patent publication No. CN104749406B, which discloses a connection structure of an electric energy meter, which has the advantages of saving time and labor during installation and ensuring low cost of the electric energy meter.
However, the connection fixing structure of the terminal box in the two technical schemes still has a certain problem in the actual use process, and because the terminal box is connected with the electric wire, if the terminal box is not firmly connected, the electric wire is not easy to fix, the condition of running the electric wire can occur, the resistance through the terminal box is increased, the current is reduced, and the metering of the electric energy meter is inaccurate.
Disclosure of Invention
The invention aims to solve the problems in the background technology, and provides an electric energy meter connecting structure with stable connection of a terminal box and no looseness.
In order to achieve the above purpose, the present invention provides the following technical solutions:
The utility model provides an electric energy meter connection structure, includes casing, lower casing and end button box, the end button box includes lower extreme button box, well end button box and upper end button box, the lower extreme button box with lower casing integrated into one piece, in well end button box can dismantle the locating lower extreme button box, the both ends of lower end button box all are provided with stopper one and stopper two, be formed with the recess between stopper one and the stopper two, stopper one and stopper two all have the inclined plane that outwards sets up, the both ends of lower casing with the corresponding position of recess is provided with leads the sliding surface, the both ends of well end button box are provided with can be followed lead the sliding surface and insert extension in the recess, be provided with main buckle post, vice buckle post and dog on the lower extreme button box, be provided with the draw-in groove on the well end button box, well end button box has a terminal surface portion, when extension inserts to in the recess, main buckle post can with vice terminal surface buckle portion buckle the vice terminal surface portion, the draw-in groove can be gone into in the terminal end box and the last end of end button box is provided with the perforation table in the junction box.
Preferably, the upper end button box is further provided with a cover for covering the upper end button box, the cover is provided with an embedding groove, the upper end button box is provided with an embedding block, and the embedding block can be inserted into the embedding groove.
Preferably, the two ends of the upper shell are provided with concave parts, the two ends of the cover are provided with rotating blocks, and the cover is rotatably connected with the upper shell through the matching of the rotating blocks and the concave parts.
Preferably, the cover is further provided with an opening and closing groove for conveniently opening or closing the cover.
Preferably, the lower part of the upper shell is provided with a supporting leg, a supporting block matched with the supporting leg is arranged in the lower shell, and the upper shell is detachably connected with the lower shell through the matching of the supporting leg and the supporting block.
Preferably, the upper end button box is integrally formed with the upper housing.
Preferably, a plurality of mounting posts are arranged in the lower shell.
The invention has the beneficial effects that:
According to the invention, the first limiting block, the second limiting block, the groove, the extension part, the main buckling column, the auxiliary buckling column, the clamping groove and the stop block are arranged, so that the middle end button box can be more firmly fixed in the lower end button box, and looseness cannot be generated; and by arranging the lower perforating table and the upper perforating table, the upper end button box and the lower end button box have good position limiting and fixing functions when the fasteners such as screws pass through the lower perforating table and the upper perforating table.
Drawings
FIG. 1 is a schematic diagram of a connection structure of an electric energy meter according to an embodiment of the present invention;
FIG. 2 is an exploded view of a connection structure of an electric energy meter according to an embodiment of the present invention;
FIG. 3 is an enlarged view of FIG. 2 at A;
FIG. 4 is a schematic diagram of a middle terminal box of a connection structure of an electric energy meter according to an embodiment of the present invention;
fig. 5 is a schematic diagram of a middle terminal box of a connection structure of an electric energy meter according to an embodiment of the invention.
In the figure: 1. an upper housing; 101. a support leg; 102. a recessed portion; 2. a lower housing; 201. a support block; 202. a mounting column; 203. a slide guiding surface; 3. a cover cap; 301. a rotating block; 302. a fitting groove; 303. an opening and closing groove; 4. an end button box; 401. a lower end button box; 4011. a lower perforation table; 4012a, first stop block; 4012b, grooves; 4012c, second limiting block; 4013. a main buckle column; 4014. an auxiliary buckle column; 4015. a stop block; 402. a middle end button box; 4021. an extension; 4022. a clamping groove; 4023. an end face portion; 403. an upper end button box; 4031. an upper perforating table; 4032. and (5) embedding blocks.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
As shown in fig. 1-5, an electric energy meter connecting structure, including last casing 1, lower casing 2 and end button box 4, end button box 4 includes lower extreme button box 401, well end button box 402 and upper end button box 403, lower extreme button box 401 with lower casing 2 integrated into one piece, in well end button box 402 can dismantle and locate lower end button box 401, the both ends of lower extreme button box 401 all are provided with first 4012a of stopper and second 4012c of stopper, be formed with recess 4012b between first 4012a of stopper and the second 4012c of stopper, first 4012a of stopper and second 4012c of stopper all have outwards set up the inclined plane, the both ends of lower casing 2 with the corresponding position of recess 4012b is provided with guide surface 203, the both ends of well end button box 402 are provided with can follow guide surface 203 slip and insert the extension 4021 in the recess 4012b, be provided with main buckle post 4013 on the lower end button box 401, vice buckle post 4015 and buckle post 4013, and end face 401 are provided with in the lower end face of terminal surface 401 and the lower end of terminal 402 can be connected with the corresponding position of lower end button box 4011, and 402 are provided with the boss 402 and top end surface 402 is provided with in the boss 402, and the boss 402 is provided with the boss 402.
Further, a cover 3 for covering the upper end button box 403 is further included, a fitting groove 302 is provided on the cover 3, a fitting block 4032 is provided on the upper end button box 403, and the fitting block 4032 can be inserted into the fitting groove 302.
Further, the two ends of the upper shell 1 are provided with concave parts 102, the two ends of the cover 3 are provided with rotating blocks 301, and the cover 3 is rotatably connected with the upper shell 1 through the matching of the rotating blocks 301 and the concave parts 102.
Further, the cover 3 is further provided with an opening/closing groove 303 for opening or closing the cover 3.
Further, the lower part of the upper casing 1 is provided with a supporting leg 101, the lower casing 2 is internally provided with a supporting block 201 matched with the supporting leg 101, and the upper casing 1 is detachably connected with the lower casing 2 through the cooperation of the supporting leg 101 and the supporting block 201. Further, the upper end knob case 403 is integrally formed with the upper case 1.
Further, a plurality of mounting posts 202 are provided in the lower housing 2.
By adopting the technical scheme, the first limit block 4012a, the second limit block 4012c, the groove 4012b, the extension part 4021, the main buckle column 4013, the auxiliary buckle column 4014, the clamping groove 4022 and the stop block 4015 are arranged, so that the middle end button box 402 can be more firmly fixed in the lower end button box 401, and looseness can not be generated; and by providing the lower punch block 4011 and the upper punch block 4031, the upper end knob box 403 and the lower end knob box 401 have good position defining and fixing functions when passing through the lower punch block 4011 and the upper punch block 4031 by fasteners such as screws; and can make the electric current that passes through can reach 200 amperes to 250 amperes, for the measuring current in market only about 120 amperes, it has the advantage that measuring range is bigger and more accurate.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.
Claims (7)
1. The utility model provides an electric energy meter connection structure, includes upper casing (1), lower casing (2) and end button box (4), its characterized in that, end button box (4) include lower end button box (401), well end button box (402) and upper end button box (403), lower end button box (401) with lower casing (2) integrated into one piece, in locating lower end button box (401) in well end button box (402) can be dismantled, both ends of lower end button box (401) all are provided with stopper one (4012 a) and stopper two (4012 c), be formed with recess (4012 b) between stopper one (4012 a) and the limiting block two (4012 c), stopper one (4012 a) and stopper two (4012 c) all have the inclined plane that outwards set up, the both ends of lower casing (2) with recess (4012 b) corresponding position is provided with guide surface (203), the both ends of well end button box (402) are provided with along guide surface (4012 a) and slider surface (203) insert in the recess (4012) in the buckle post (402) is provided with in the recess (4023) end in the end button box (402) is provided with in (402) top of the buckle post (402), when extension (4021) inserts in recess (4012 b), main buckle post (4013) can with terminal surface portion (4023) withhold auxiliary buckle post (4014) can block in draw-in groove (4022) in dog (4015) can butt in on well end button box (402), still be provided with down perforating platform (4011) on lower end button box (401), upper end button box (403) with last casing (1) fixed connection, be provided with on upper end button box (403) with lower perforating platform (4011) corresponding last perforating platform (4031), upper end button box (403) pass last perforating platform (4031) and lower perforating platform (4011) through the fastener and are connected with lower end button box (401).
2. The electric energy meter connecting structure according to claim 1, further comprising a cover (3) for covering the upper end button box (403), wherein the cover (3) is provided with a fitting groove (302), the upper end button box (403) is provided with a fitting block (4032), and the fitting block (4032) can be inserted into the fitting groove (302).
3. The electric energy meter connecting structure according to claim 2, wherein the two ends of the upper shell (1) are provided with concave parts (102), the two ends of the cover (3) are provided with rotating blocks (301), and the cover (3) is rotatably connected with the upper shell (1) through the matching of the rotating blocks (301) and the concave parts (102).
4. A connection structure for an electric energy meter according to claim 3, characterized in that the cover (3) is further provided with an opening and closing groove (303) for facilitating opening or closing of the cover (3).
5. The electric energy meter connecting structure according to claim 1 or 4, wherein a supporting foot (101) is arranged at the lower part of the upper shell (1), a supporting block (201) matched with the supporting foot (101) is arranged in the lower shell (2), and the upper shell (1) is detachably connected with the lower shell (2) through the matching of the supporting foot (101) and the supporting block (201).
6. The electric energy meter connection structure according to claim 5, characterized in that the upper end button box (403) is integrally formed with the upper housing (1).
7. The electric energy meter connecting structure according to claim 1, characterized in that a plurality of mounting posts (202) are arranged in the lower shell (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910734816.XA CN110376411B (en) | 2019-08-09 | 2019-08-09 | Electric energy meter connection structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910734816.XA CN110376411B (en) | 2019-08-09 | 2019-08-09 | Electric energy meter connection structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110376411A CN110376411A (en) | 2019-10-25 |
| CN110376411B true CN110376411B (en) | 2024-05-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910734816.XA Active CN110376411B (en) | 2019-08-09 | 2019-08-09 | Electric energy meter connection structure |
Country Status (1)
| Country | Link |
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| CN (1) | CN110376411B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113466517A (en) * | 2021-07-29 | 2021-10-01 | 宁波三星医疗电气股份有限公司 | Shell structure of electric energy meter, electric energy meter with shell structure and manufacturing method of shell of electric energy meter |
Citations (9)
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|---|---|---|---|---|
| JP2005274203A (en) * | 2004-03-23 | 2005-10-06 | Mitsubishi Electric Corp | Watt-hour meter |
| CN201344945Y (en) * | 2009-02-18 | 2009-11-11 | 上海金陵智能电表有限公司 | Terminal box mounting mechanism of static single-phase multi-rate power meter |
| CN202066889U (en) * | 2011-05-30 | 2011-12-07 | 威胜集团有限公司 | Terminal row with current transformer and copper terminals |
| CN202305623U (en) * | 2011-11-04 | 2012-07-04 | 慈溪市全盛壳体有限公司 | Bottom shell structure of electric energy meter |
| CN202757973U (en) * | 2012-09-19 | 2013-02-27 | 德力西集团仪器仪表有限公司 | A housing of an electric energy meter |
| CN205844383U (en) * | 2016-07-29 | 2016-12-28 | 温州万星电气有限公司 | A kind of guide rail type electrical energy meter |
| CN206990650U (en) * | 2017-07-26 | 2018-02-09 | 温州市正超仪表科技有限公司 | Ammeter housing |
| WO2018032710A1 (en) * | 2016-08-16 | 2018-02-22 | 宁波三星医疗电气股份有限公司 | Modular auxiliary terminal box |
| CN210465514U (en) * | 2019-08-09 | 2020-05-05 | 温州隆威电气有限公司 | Electric energy meter connection structure |
-
2019
- 2019-08-09 CN CN201910734816.XA patent/CN110376411B/en active Active
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|---|---|---|---|---|
| JP2005274203A (en) * | 2004-03-23 | 2005-10-06 | Mitsubishi Electric Corp | Watt-hour meter |
| CN201344945Y (en) * | 2009-02-18 | 2009-11-11 | 上海金陵智能电表有限公司 | Terminal box mounting mechanism of static single-phase multi-rate power meter |
| CN202066889U (en) * | 2011-05-30 | 2011-12-07 | 威胜集团有限公司 | Terminal row with current transformer and copper terminals |
| CN202305623U (en) * | 2011-11-04 | 2012-07-04 | 慈溪市全盛壳体有限公司 | Bottom shell structure of electric energy meter |
| CN202757973U (en) * | 2012-09-19 | 2013-02-27 | 德力西集团仪器仪表有限公司 | A housing of an electric energy meter |
| CN205844383U (en) * | 2016-07-29 | 2016-12-28 | 温州万星电气有限公司 | A kind of guide rail type electrical energy meter |
| WO2018032710A1 (en) * | 2016-08-16 | 2018-02-22 | 宁波三星医疗电气股份有限公司 | Modular auxiliary terminal box |
| CN206990650U (en) * | 2017-07-26 | 2018-02-09 | 温州市正超仪表科技有限公司 | Ammeter housing |
| CN210465514U (en) * | 2019-08-09 | 2020-05-05 | 温州隆威电气有限公司 | Electric energy meter connection structure |
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| Publication number | Publication date |
|---|---|
| CN110376411A (en) | 2019-10-25 |
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| PB01 | Publication | ||
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| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information | ||
| CB02 | Change of applicant information |
Address after: No.1 Sulu Avenue, Liushi Town, Yueqing City, Wenzhou City, Zhejiang Province Applicant after: Longwei Electric Co.,Ltd. Address before: No.1 Sulu Avenue, Liushi Town, Yueqing City, Wenzhou City, Zhejiang Province Applicant before: Zhejiang Longwei Electric Co.,Ltd. Address after: No.1 Sulu Avenue, Liushi Town, Yueqing City, Wenzhou City, Zhejiang Province Applicant after: Zhejiang Longwei Electric Co.,Ltd. Address before: 325000 No. 1, Sulu Avenue, Liushi Town, Yueqing City, Wenzhou City, Zhejiang Province Applicant before: Wenzhou Longwei Electric Co.,Ltd. |
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