CN218865980U - External moulded case circuit breaker of electric energy meter - Google Patents
External moulded case circuit breaker of electric energy meter Download PDFInfo
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- CN218865980U CN218865980U CN202223493359.6U CN202223493359U CN218865980U CN 218865980 U CN218865980 U CN 218865980U CN 202223493359 U CN202223493359 U CN 202223493359U CN 218865980 U CN218865980 U CN 218865980U
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- electric energy
- case circuit
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Abstract
The utility model relates to the technical field of molded case circuit breakers, in particular to an external molded case circuit breaker of an electric energy meter, which comprises a base and a base upper end, wherein the surface fixed phase of the base is connected with a middle cover, the upper end and the lower end of the middle cover are both provided with a protective cover, the surface fixed phase of the middle cover is connected with an upper cover, one side of the upper cover is provided with an upper small cover, and the inner side wall of the middle cover is provided with a plug; the left side of the upper cover is provided with a plurality of first buckles, and the right side of the upper cover is provided with screw holes; the surface of the small upper cover is provided with a second buckle, and the small upper cover is clamped with the upper cover through the second buckle; the utility model discloses an at the external moulded case circuit breaker of electric energy meter for improve maintainer's factor of safety, reduce the possibility that the circuit breaker was dismantled, overall structure is simple, and no exposed fastener has improved the pleasing to the eye degree of circuit breaker.
Description
Technical Field
The utility model relates to a moulded case circuit breaker technical field, specific be an external moulded case circuit breaker of electric energy meter.
Background
An electric energy meter is an instrument for measuring electric energy, also called watt-hour meter, fire meter, kilowatt-hour meter, and refers to instruments for measuring various electric quantities. When using a power meter, it is noted that the power meter can be directly connected to the circuit for measurement at low voltage (not more than 500 volts) and low current (tens of amperes). Under the condition of high voltage or large current, the electric energy meter can not be directly connected to a circuit and needs to be matched with a voltage transformer or a current transformer for use.
Fastening screws of a middle cover and an upper cover of the external molded case circuit breaker of the electric energy meter are exposed and are easy to disassemble; the external moulded case circuit breaker of electric energy meter mode of connection is fastening on the circuit breaker wiring board after wire and binding post crimping, and the crimping position cover pyrocondensation pipe pyrocondensation is insulating, and binding post and the screw of connecting row top are still in naked state. The construction personnel can be touched accidentally during maintenance, and the life safety of the construction personnel is threatened.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an external moulded case circuit breaker of electric energy meter to solve the problem that proposes in the above-mentioned background art.
The purpose of the utility model can be realized by the following technical scheme:
an external molded case circuit breaker of an electric energy meter comprises a base and the upper end of the base, wherein a middle cover is fixedly connected to the surface of the base, protective covers are arranged at the upper end and the lower end of the middle cover, an upper cover is fixedly connected to the surface of the middle cover, an upper small cover is arranged in one side of the upper cover, and a plug is arranged on the inner side wall of the middle cover;
the left side of the upper cover is provided with a plurality of first buckles, and the right side of the upper cover is provided with screw holes;
and the surface of the upper small cover is provided with a second buckle, and the upper small cover is clamped with the upper cover through the second buckle.
Furthermore, the left side of well lid is provided with the first step of first buckle matched with, and the bottom of first step is provided with base matched with through-hole, and the stopper is used for filling the through-hole, and the below of through-hole is equipped with the stopper die cavity, and the right side of well lid is equipped with inlays dress round nut with screw hole matched with.
Further, be equipped with the third buckle in the guard shield, well lid wiring side is provided with the guard shield die cavity, and one side of guard shield die cavity is provided with the second step, and the guard shield passes through the second step cooperation of third buckle with well lid wiring side.
Furthermore, the lower end of the upper cover is provided with a stopping edge, the right side of the upper cover is provided with a small cover cavity, and the upper small cover is in snap fit with the inner cavity of the small cover cavity.
Further, the lateral wall stationary phase of stopper even has the third step, and the bottom of stopper is provided with the terminal protruding portion of lower extreme, and the bottom of the terminal protruding portion of lower extreme is the lower extreme terminal surface, and upper portion and well lid cooperation in the stopper, the terminal protruding portion of lower extreme and stopper die cavity interference fit, the lower extreme terminal surface is placed in the base upper end.
Furthermore, the small upper cover is also provided with an observation port.
The utility model has the advantages that:
the utility model discloses an at the external moulded case circuit breaker of electric energy meter for improve maintainer's factor of safety, reduce the possibility that the circuit breaker was dismantled, overall structure is simple, and no exposed fastener has improved the pleasing to the eye degree of circuit breaker.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious for those skilled in the art to obtain other drawings without creative efforts;
FIG. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is a schematic view of a base of the present invention;
fig. 3 is a front view of the middle cover of the present invention;
fig. 4 is a schematic view of the back of the middle cover of the present invention;
fig. 5 is a front schematic view of the upper cover of the present invention;
fig. 6 is a schematic view of the back of the upper cover of the present invention;
FIG. 7 is a schematic view of the upper small cover of the present invention;
fig. 8 is a schematic view of the protective cover of the present invention;
fig. 9 is a schematic view of the stopper of the present invention.
The reference numbers in the figures are as follows:
1. a base; 11. the upper end of the base; 2. a middle cover; 21. a first step; 22. a through hole; 23. a plug cavity; 24. embedding a round nut; 25. a shroud cavity; 26. a second step; 3. an upper cover; 31. a first buckle; 32. screw holes; 33. stopping edges; 34. a small cover cavity; 4. a small cover is arranged; 41. a second buckle; 42. a viewing port; 5. a shield; 51. a third buckle; 6. a plug; 61. a third step; 62. a lower terminal projection; 63. the lower end surface.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without making creative efforts belong to the protection scope of the present invention.
Referring to fig. 1-9, an external molded case circuit breaker for an electric energy meter comprises a base 1 and a base upper end 11, wherein a middle cover 2 is fixedly connected to the surface of the base 1, protective covers 5 are arranged at the upper end and the lower end of the middle cover 2, an upper cover 3 is fixedly connected to the surface of the middle cover 2, an upper small cover 4 is arranged in one side of the upper cover 3, and a plug 6 is arranged on the inner side wall of the middle cover 2;
the left side of the upper cover 3 is provided with a plurality of first buckles 31, and the right side of the upper cover 3 is provided with screw holes 32;
the lower extreme of upper cover 3 is equipped with only limit 33, and the right side of upper cover 3 is equipped with tegillum die cavity 34, goes up tegillum 4 snap-fit in the inner chamber of tegillum die cavity 34, and upper cover 3 passes through first buckle 31 and the first step 21 lock of well lid 2 to it is fixed with the mode of inlaying dress round nut 24 of well lid 2 through the screw passes screw hole 32, and only limit 33 can shelter from.
The surface of the upper small cover 4 is provided with a second buckle 41, the upper small cover 4 is clamped with the upper cover 3 through the second buckle 41, the upper small cover 4 is also provided with a viewing port 42, and the viewing port 42 can be used for viewing the content of the liquid crystal screen.
The left side of the middle cover 2 is provided with a first step 21 matched with the first buckle 31, the bottom of the first step 21 is provided with a through hole 22 matched with the base 1, the plug 6 is used for filling the through hole 22, a plug cavity 23 is arranged below the through hole 22, and the right side of the middle cover 2 is provided with an embedded round nut 24 matched with the screw hole 32.
Be equipped with third buckle 51 in the guard shield 5, well lid 2 wiring side is provided with guard shield die cavity 25, and one side of guard shield die cavity 25 is provided with second step 26, and guard shield 5 passes through third buckle 51 and the second step 26 cooperation of well lid 2 wiring side.
The lateral wall stationary phase of stopper 6 even has third step 61, and the bottom of stopper 6 is provided with lower extreme end protruding portion 62, and the bottom of lower extreme end protruding portion 62 is lower extreme terminal surface 63, and the upper portion cooperates with well lid 2 in stopper 6, and lower extreme end protruding portion 62 and stopper die cavity 23 interference fit, lower extreme terminal surface 63 place in base upper end 11, and lower extreme terminal surface 63 is hugged closely base upper end 11 of base 1 and is prevented to drop.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention.
Claims (6)
1. An external molded case circuit breaker of an electric energy meter comprises a base (1) and a base upper end (11), and is characterized in that the surface of the base (1) is fixedly connected with a middle cover (2), the upper end and the lower end of the middle cover (2) are respectively provided with a protective cover (5), the surface of the middle cover (2) is fixedly connected with an upper cover (3), one side of the upper cover (3) is internally provided with an upper small cover (4), and the inner side wall of the middle cover (2) is provided with a plug (6);
a plurality of first buckles (31) are arranged on the left side of the upper cover (3), and screw holes (32) are arranged on the right side of the upper cover (3);
the surface of the upper small cover (4) is provided with a second buckle (41), and the upper small cover (4) is clamped with the upper cover (3) through the second buckle (41).
2. The external molded case circuit breaker of the electric energy meter according to claim 1, characterized in that a first step (21) with a first buckle (31) matched with is arranged at the left side of the middle cover (2), a through hole (22) with a base (1) matched with is arranged at the bottom of the first step (21), the plug (6) is used for filling the through hole (22), a plug cavity (23) is arranged below the through hole (22), and an embedded round nut (24) matched with the screw hole (32) is arranged at the right side of the middle cover (2).
3. The external molded case circuit breaker of the electric energy meter according to claim 2, wherein a third buckle (51) is arranged in the shield (5), a shield cavity (25) is arranged at the wiring side of the middle cover (2), a second step (26) is arranged at one side of the shield cavity (25), and the shield (5) is matched with the second step (26) at the wiring side of the middle cover (2) through the third buckle (51).
4. The external molded case circuit breaker of the electric energy meter according to claim 2, wherein the lower end of the upper cover (3) is provided with a stopping edge (33), the right side of the upper cover (3) is provided with a small cover cavity (34), and the upper small cover (4) is in snap fit with the inner cavity of the small cover cavity (34).
5. The external molded case circuit breaker for the electric energy meter according to claim 2, wherein the sidewall of the plug (6) is fixedly connected with a third step (61), the bottom of the plug (6) is provided with a lower end protruding portion (62), the bottom of the lower end protruding portion (62) is a lower end surface (63), the middle upper portion of the plug (6) is matched with the middle cover (2), the lower end protruding portion (62) is in interference fit with the plug cavity (23), and the lower end surface (63) is placed at the upper end (11) of the base.
6. The external molded case circuit breaker of claim 1, wherein the upper small cover (4) is further provided with a viewing port (42).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223493359.6U CN218865980U (en) | 2022-12-27 | 2022-12-27 | External moulded case circuit breaker of electric energy meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223493359.6U CN218865980U (en) | 2022-12-27 | 2022-12-27 | External moulded case circuit breaker of electric energy meter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218865980U true CN218865980U (en) | 2023-04-14 |
Family
ID=87375224
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223493359.6U Active CN218865980U (en) | 2022-12-27 | 2022-12-27 | External moulded case circuit breaker of electric energy meter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218865980U (en) |
-
2022
- 2022-12-27 CN CN202223493359.6U patent/CN218865980U/en active Active
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