Electric energy metering box with good protection performance

Abstract

The utility model relates to an electric energy metering box with good protection performance. The technical problem to be solved by the utility model is to provide an electric energy metering box with good protection performance. According to the technical scheme, the electric energy metering box comprises a metering box body, a box body inner partition plate, a main circuit breaker, an electric energy meter and an electric energy meter safety plate, the metering box body is divided into a strong current cavity and a metering cavity by the box body inner partition plate, and the electric energy meter is installed in the metering cavity. The electric meter safety plate is characterized by further comprising a protection plate covering the electric meter safety plate and a protection plate inner locking device, the electric meter safety plate comprises a safety plate body, and the four ends of the safety plate body are bent outwards to form a safety plate upper portion, a safety plate lower portion, a safety plate left portion and a safety plate right portion. The electric meter safety plate has the advantages that the protection plate is blocked outside the electric meter safety plate, hidden locking known by internal personnel is adopted through the protection plate internal locking device, the attractiveness is high, locking is firm and reliable, external personnel are effectively prevented from easily dismantling the electric meter safety plate, and safety is improved.

Description

Technical Field

[0001] The utility model relates to an electric energy metering box with good protection. Background Art

[0002] The electric energy meter box is a device used to measure and meter electric energy consumption. Its main function is to install devices such as electric meters and switches. These devices work together to ensure the accuracy and real-time performance of electric energy metering. In actual use, it is found that the existing electric energy meter box has average protection for the internal electric meter. After opening the box door, outsiders can easily remove the electric meter baffle and adjust the line with a screwdriver, which affects the safety of the entire electric energy meter box. Improvements and optimizations are made to this end. Utility Model Content

[0003] In order to solve the above problems, the technical problem to be solved by the utility model is to provide an electric energy metering box with good protection.

[0004] The utility model adopts a technical solution of an electric energy meter box with good protection: comprising a meter box body, a partition inside the box, a main circuit breaker, an electric energy meter, and an electric energy meter safety plate, wherein the partition inside the box divides the meter box body into a strong current chamber and a metering chamber, and the electric energy meter is installed in the metering chamber, and is characterized in that it also includes a protective plate and a protective plate inner locking device arranged outside the electric meter safety plate, the electric meter safety plate comprises a safety plate body, the four ends of the safety plate body are bent outward to form an upper and lower part of the safety plate and a left and right part of the safety plate, the left and right parts of the safety plate are provided with mounting plate docking holes, the protective plate is provided with a protective plate yielding hole corresponding to the safety plate body, and the protective plate is also provided with a protective plate docking hole corresponding to the mounting plate docking hole;

[0005] The protective plate internal locking device includes a protective plate lock seat and a lock core. The protective plate lock seat is provided with a lock hole communicated with the docking hole of the mounting plate. It includes a lock seat mounting part and a lock seat cylinder fixed on the back of the left and right parts of the safety plate. The lock core includes a lock core rotating part and a lock core stud. A lock core lock block is provided on the side of the lock core rotating part. The lock seat mounting part is provided with a lock block docking interface docking with the lock core lock block. The lock seat cylinder is provided with a lock seat limiting groove on the inner wall of the lock hole for the lock core lock block to rotate and give way.

[0006] The protective plate internal locking device also includes a locking action sleeve, a nut and an end cover that are inserted through the protective plate docking hole. The locking action sleeve is provided with an action sleeve insertion groove, and the bottom of the locking action sleeve is provided with an action sleeve docking hole that communicates with the action sleeve insertion groove. The lock core stud is fixed by the nut after passing through the action sleeve docking hole, and the locking action sleeve is movably connected to the lock core stud.

[0007] The end cover comprises an end cover body and an end cover connecting portion docked with the action sleeve insertion groove, the end cover connecting portion is threadedly connected with the action sleeve insertion groove, and the diameter of the end cover body is greater than the diameter of the protective plate docking hole.

[0008] An action sleeve limiting block is arranged on the side of the upper surface of the locking action sleeve, and a protection plate limiting opening corresponding to the action sleeve limiting block is arranged at the protection plate docking hole.

[0009] The protective plate is also provided with a protective plate retaining edge arranged around the protective plate clearance hole.

[0010] The upper and lower parts of the safety plate are provided with safety plate fixing holes for fixing, and the safety plate body is provided with an electric energy meter display port and an electric energy meter card insertion port for displaying and using the electric energy meter.

[0011] The utility model has the advantages that the protective electric energy meter box is blocked outside the electric meter safety plate and adopts a concealed locking method known to internal personnel through the protective plate internal locking device, has high aesthetics, and is firmly and reliably locked, which effectively prevents outsiders from easily removing the electric meter safety plate, thereby improving safety. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] The utility model is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0013] Figure 1 It is a structural schematic diagram of the utility model electric energy metering box with good protection performance;

[0014] Figure 2 It is a structural schematic diagram of the utility model electric meter safety board;

[0015] Figure 3 It is a structural schematic diagram of the protective plate of the utility model;

[0016] Figure 4 It is an exploded view of the inner locking device of the protective plate of the utility model;

[0017] Figure 5 It is a structural schematic diagram of the protective plate lock seat of the utility model;

[0018] Figure 6 It is a structural schematic diagram of the lock core of the utility model;

[0019] Figure 7 It is a structural schematic diagram of the locking action sleeve of the utility model;

[0020] Figure 8 It is a structural schematic diagram of the end sealing cover of the utility model. DETAILED DESCRIPTION

[0021] like Figure 1-8As shown, the utility model relates to an electric energy meter box with good protection, comprising a meter box body 1, a partition plate 2 in the box body, a main circuit breaker 3, an electric energy meter 4, an electric energy meter safety plate 5, a protective plate 6 and a protective plate inner locking device 7. The partition plate 2 in the box body divides the meter box body 1 into a strong current chamber and a metering chamber. The electric energy meter 4 is installed in the metering chamber. The electric energy meter safety plate 5 comprises a safety plate body 10. The four ends of the safety plate body 10 are bent outward to form an upper and lower part 11 of the safety plate and a left and right part 12 of the safety plate. The left and right parts 12 of the safety plate are provided with a mounting plate docking hole 15. The protective plate 6 is provided with a protective plate yielding hole 19 corresponding to the safety plate body 10. The protective plate 6 is also provided with a protective plate docking hole 21 corresponding to the mounting plate docking hole 15; the protective plate inner locking device 7 comprises a protective plate lock seat 25 and a lock core 26. The protective plate lock seat 25 is provided with a lock hole 32 communicated with the mounting plate docking hole 15. It includes a lock seat mounting part 30 and a lock seat cylinder 31 fixed on the back of the left and right parts 12 of the safety plate, the lock core 26 includes a lock core rotating part 35 and a lock core stud 36, the lock core rotating part 35 is provided with a lock core lock block 37 on the side, the lock seat mounting part 30 is provided with a lock block docking interface 33 docking with the lock core lock block 37, the lock seat cylinder 31 is provided with a lock seat limiting groove 34 on the inner wall of the lock hole 32 for the lock core lock block 37 to rotate and make way, the protective plate 6 is affixed with a rubber strip for beauty and shielding, the protective plate 6 is blocked outside the meter safety plate 5, so that it adopts a concealed locking method known to internal personnel through the protective plate internal locking device 7, the appearance is high, the locking is firm and reliable, and it can effectively prevent external personnel from easily removing the meter safety plate, and the safety is improved.

[0022] The protective plate internal locking device 7 also includes a locking action sleeve 27, a nut 28 and an end cover 29 that are inserted into the protective plate docking hole 21. The locking action sleeve 27 is provided with an action sleeve insertion groove 40. The bottom of the locking action sleeve 27 is provided with an action sleeve docking hole 41 that communicates with the action sleeve insertion groove 40. The lock core stud 36 passes through the action sleeve docking hole 41 and is fixed by the nut 28. The locking action sleeve 27 is movably connected to the lock core stud 36. The structural design is ingenious, the action is stable, and the operation is convenient.

[0023] The end cover 29 includes an end cover body 43 and an end cover connecting portion 44 connected to the action sleeve insertion groove 40. The end cover connecting portion 44 is threadedly connected to the action sleeve insertion groove 40. The diameter of the end cover body 43 is larger than the diameter of the protective plate docking hole 21, and the connection is reliable.

[0024] The locking action sleeve 27 is provided with an action sleeve limit block 46 on the upper surface side, and the protective plate 6 is provided with a protective plate limit opening 22 corresponding to the action sleeve limit block 46 at the protective plate docking hole 21 to prevent rotation malfunction and improve reliability.

[0025] When internal personnel need to maintain the electric meter, they lift the end cover 29 to lift the locking action sleeve 27, unlock the action sleeve limit block 46, rotate the locking action sleeve 27 in the specified direction, drive the lock core 26 to rotate, and make the lock core lock block 37 rotate to the lock block docking interface 33 to achieve unlocking, and then lift the protective plate 6 for disassembly.

[0026] The protective plate 6 is also provided with a protective plate retaining edge 20 arranged around the protective plate clearance hole 19 to play a supporting and sealing role.

[0027] The upper and lower parts 11 of the safety plate are provided with safety plate fixing holes 16 for fixing, and the safety plate body 10 is provided with an electric energy meter display port 13 and an electric energy meter card insertion port 14 for displaying and using the electric energy meter 4 .

[0028] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention are included in the protection scope of the present invention.

Claims

1. An electric energy meter box with good protection, comprising a meter box body (1), a partition plate (2) inside the box, a main circuit breaker (3), an electric energy meter (4), and an electric energy meter safety panel (5), wherein the partition plate (2) inside the box divides the meter box body (1) into a strong current chamber and a meter chamber, and the electric energy meter (4) is installed in the meter chamber, characterized in that: It also includes a protective plate (6) and a protective plate internal locking device (7) arranged outside the electric meter safety plate (5), the electric meter safety plate (5) including a safety plate body (10), the four ends of the safety plate body (10) are bent outward to form a safety plate upper and lower part (11) and a safety plate left and right part (12), the safety plate left and right parts (12) are provided with mounting plate docking holes (15), the protective plate (6) is provided with a protective plate clearance hole (19) corresponding to the safety plate body (10), and the protective plate (6) is also provided with a protective plate docking hole (21) corresponding to the mounting plate docking hole (15); The guard plate internal locking device (7) comprises a guard plate lock seat (25) and a lock core (26); the guard plate lock seat (25) is provided with a lock hole (32) communicating with the mounting plate docking hole (15); the lock seat comprises a lock seat mounting portion (30) fixed to the back of the left and right portions (12) of the safety plate and a lock seat cylinder (31); the lock core (26) comprises a lock core rotating portion (35) and a lock core stud (36); a lock core lock block (37) is provided on the side of the lock core rotating portion (35); the lock seat mounting portion (30) is provided with a lock block docking interface (33) docking with the lock core lock block (37); and the lock seat cylinder (31) is provided with a lock seat limiting groove (34) on the inner wall of the lock hole (32) for the lock core lock block (37) to rotate and give way.

2. The protective electric energy meter box according to claim 1 is characterized in that: The protective plate internal locking device (7) further comprises a locking action sleeve (27), a nut (28) and an end cover (29) which are inserted through the protective plate docking hole (21); an action sleeve insertion groove (40) is provided in the locking action sleeve (27); an action sleeve docking hole (41) which communicates with the action sleeve insertion groove (40) is provided at the bottom of the locking action sleeve (27); the lock core stud (36) passes through the action sleeve docking hole (41) and is fixed by the nut (28); and the locking action sleeve (27) is movably connected to the lock core stud (36).

3. The protective electric energy meter box according to claim 2 is characterized in that: The end cover (29) comprises an end cover body (43) and an end cover connection portion (44) connected to the action sleeve insertion groove (40), the end cover connection portion (44) being threadedly connected to the action sleeve insertion groove (40), and the diameter of the end cover body (43) is greater than the diameter of the protective plate connection hole (21).

4. The protective electric energy meter box according to claim 2 is characterized in that: An action sleeve limiting block (46) is provided on the side of the upper surface of the locking action sleeve (27), and a protection plate limiting opening (22) corresponding to the action sleeve limiting block (46) is provided on the protection plate docking hole (21) of the protection plate (6).

5. The protective electric energy meter box according to claim 1 is characterized in that: The protective plate (6) is also provided with a protective plate retaining edge (20) arranged around the protective plate clearance hole (19).

6. The protective electric energy meter box according to claim 1 is characterized in that: The upper and lower parts (11) of the safety plate are provided with safety plate fixing holes (16) for fixing, and the safety plate body (10) is provided with an electric energy meter display port (13) and an electric energy meter card insertion port (14) for displaying and using the electric energy meter (4).

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