CN-121978378-A - Electric energy meter with function of preventing wire from bending

Abstract

The invention relates to the technical field of electric energy meters, in particular to an electric energy meter with a wire bending prevention function, which comprises an electric energy meter base and an electric energy meter top cover, wherein the lower end of the electric energy meter base is provided with a mounting groove, a metal wiring guide rail is fixedly connected inside the mounting groove, an adjusting frame is slidably connected inside the mounting groove, a connecting sliding rail is fixedly connected inside the adjusting frame, one end, far away from the metal wiring guide rail, of the connecting sliding rail is provided with a metal wiring terminal, the metal wiring terminal comprises metal pressing pieces which are slidably connected on two sides of the connecting sliding rail, the metal pressing pieces are slidably connected at the bottom of the adjusting frame, a reset tension spring is arranged between the metal pressing pieces and the adjusting frame, and the problem that the wiring terminals of the current electric energy meter are fixedly arranged and cannot be adjusted according to the actual length of a field wire is effectively solved.

Inventors

• SUN XIAOTONG
• WANG GUODONG
• XU YUANYUAN

Assignees

• 航天亮丽电气有限责任公司

Dates

Publication Date

20260505

Application Date

20260407

Claims (10)

1. 1. The utility model provides an electric energy meter with prevent wire bending function, includes electric energy meter base (1) and electric energy meter top cap (2), its characterized in that, electric energy meter base (1) lower extreme is provided with mounting groove (3), a plurality of metal wiring guide rail (4) that are connected to the electric energy meter inside of mounting groove (3) inside fixedly connected with, the inside sliding connection of mounting groove (3) has regulating frame (5), regulating frame (5) inside fixedly connected with a plurality of with metal wiring guide rail (4) sliding connection's connection slide rail (6), the one end that metal wiring guide rail (4) were kept away from to connection slide rail (6) is provided with the metal wiring; the metal wiring terminal comprises metal compression pieces (7) which are connected to two sides of the connecting sliding rail (6) in a sliding mode, the metal compression pieces (7) are connected to the bottom of the adjusting frame (5) in a sliding mode, and a reset extension spring (8) is arranged between the metal compression pieces (7) and the adjusting frame (5); The lower ends of the electric energy meter base (1) and the electric energy meter top cover (2) are respectively provided with an extension covering base (9) and an extension covering top cover (10) for covering the adjusting frame (5); The extension covering top cover (10) is provided with a pressing structure for pushing the two metal pressing pieces (7) to move towards the directions approaching to each other.
2. 2. The electric energy meter with the wire bending prevention function according to claim 1, wherein the pressing structure comprises a pushing block (11) fixedly connected to the upper end of the metal pressing piece (7), a trapezoid guide block (12) is fixedly connected to the upper portion of the pushing block (11), a pushing plate (13) for pushing the trapezoid guide block (12) to move towards the direction close to the connecting sliding rail (6) is slidably connected to the extending covering top cover (10), a compression spring (14) is arranged between the pushing plate (13) and the extending covering top cover (10), and the elastic force of the compression spring (14) is larger than that of the restoring tension spring (8).
3. 3. The electric energy meter with the function of preventing wire bending according to claim 2, wherein a plurality of connecting limiting teeth (15) which are distributed at intervals are fixedly connected above the trapezoid guide block (12), and a plurality of connecting fixing teeth (16) which are matched with the connecting limiting teeth (15) are fixedly connected on the extension covering top cover (10).
4. 4. The electric energy meter with the function of preventing wire bending according to claim 1, wherein a plurality of elastic connecting plates (17) which are distributed at intervals are fixedly connected to the inner side surface of the connecting sliding rail (6) and the metal wiring guide rail (4) which are attached to each other.
5. 5. The electric energy meter with the wire bending prevention function according to claim 1, wherein an arc-shaped pressing groove (18) is formed on one side, close to each other, of each of the two metal pressing pieces (7), and a plurality of contact plates (19) distributed at intervals are fixedly connected inside the arc-shaped pressing groove (18).
6. 6. The electric energy meter with the function of preventing wire bending according to claim 1, wherein two parallel isolation plates (20) are arranged at the lower end of the adjusting frame (5), a plurality of wiring ports (21) corresponding to the metal wiring terminals are formed in the two isolation plates (20), wire fixing structures are arranged on the wiring ports (21), and the wire fixing structures are arranged between the two isolation plates (20); The wire fixing structure comprises two wire pressing pieces (22) which are connected to two sides of the wiring opening (21) in a sliding mode, the wire pressing pieces (22) are connected in a sliding mode relatively, a separation spring is arranged between the wire pressing pieces (22) and the adjusting frame (5), one side, far away from the wiring opening (21), of the wire pressing pieces (22) is connected with an adjusting guide block (24) with a trapezoid section in a sliding mode, an adjusting spring (25) is arranged between the adjusting guide block (24) and the wire pressing pieces (22), and the elastic force of the adjusting spring (25) is larger than that of the separation spring; A control guide rod (26) is connected between the two isolation plates (20) in a sliding way, an unlocking spring (27) is arranged between the control guide rod (26) and the adjusting frame (5), and a pushing extrusion block (28) matched with the adjusting guide block (24) is fixedly connected to one side, close to the wire pressing piece (22), of the control guide rod (26); The upper end of the control guide rod (26) is provided with a guide inclined plane matched with the extension covering top cover (10).
7. 7. The electric energy meter with the wire bending prevention function according to claim 6, wherein a plurality of wire limiting teeth (29) are fixedly connected to the upper end of the wire pressing piece (22), a wire fixing plate (30) is fixedly connected to one side, close to the wire pressing piece (22), of the control guide rod (26), and a wire limiting groove (31) matched with the wire limiting teeth (29) is formed in the lower end of the wire fixing plate (30).
8. 8. The electric energy meter with the function of preventing wire bending according to claim 7, wherein a temporary fixing structure for temporarily fixing a wire is provided on a partition board (20) near the metal terminal; The temporary fixing structure comprises two temporary fixing plates (32) which are connected to two sides of the wiring port (21) in a sliding mode, an arc-shaped groove (33) is formed in one side, close to each other, of each temporary fixing plate (32), and a temporary compression spring (34) is arranged between each temporary fixing plate (32) and each isolation plate (20).
9. 9. The electric energy meter with the function of preventing wire bending according to claim 7, wherein a dust-proof plate (35) is detachably connected to the bottom of the adjusting frame (5), and a dust-proof opening (36) matched with the wiring opening (21) is formed in the dust-proof plate (35).
10. 10. The electric energy meter with the function of preventing wire bending according to claim 1, wherein a top cover threaded shaft (37) is rotatably connected to the electric energy meter top cover (2), one end of the top cover threaded shaft (37) is fixedly connected with a top cover driving worm wheel (38), a top cover driving worm (39) meshed with the top cover driving worm wheel (38) is rotatably connected to the electric energy meter top cover (2), and the extension covering top cover (10) is in threaded connection with the top cover threaded shaft (37); The electric energy meter is characterized in that an extension threaded shaft (40) is rotationally connected to the electric energy meter top cover (2), one end of the extension threaded shaft (40) is fixedly connected with an extension driving worm wheel (41), an extension driving worm (42) meshed with the extension driving worm wheel (41) is rotationally connected to the electric energy meter top cover (2), and the adjusting frame (5) is in threaded connection with the extension threaded shaft (40).

Description

Electric energy meter with function of preventing wire from bending Technical Field The invention relates to the technical field of electric energy meters, in particular to an electric energy meter with a wire bending prevention function. Background The electric energy meter is used as core equipment for measuring electric energy consumption in an electric power system, is widely applied to various electric scenes such as families, industries, businesses and the like, and the rationality and reliability of wiring installation are directly related to the accuracy, the electric safety and the service life of the electric energy measurement. In the actual installation process of the electric energy meter, the lead is used as a carrier for electric energy transmission and is firmly connected with a binding post of the electric energy meter so as to realize stable transmission and metering of electric energy. The terminal of current electric energy meter is fixed setting, can't carry out position control according to the actual length of on-the-spot wire, and this just leads to there are a great deal of technical problem who is difficult to solve when the wiring is installed. Because the on-site wiring environment is complicated, the reserved length of the wire is difficult to accurately control, in order to avoid the problems that the wire cannot be connected into the binding post due to too short length and the installation is failed, a certain redundant length is reserved for the wire used in the actual installation process, and after the wire is connected with the binding post of the electric energy meter, a bending phenomenon can be generated. Especially, the wire for electric energy transmission has higher structural strength, the bending operation difficulty is higher, the operation workload of installers can be obviously increased, the electricity receiving efficiency of the meter is reduced, great inconvenience is brought to field installation, and continuous reverse tension is generated on the wire butt joint wire column of the bent wire due to the strength reaction force of the wire. The connection of the lead and the wiring post is easy to loosen, even the lead is separated from the wiring post, and then the power failure is caused, so that the normal operation of electric equipment is influenced. Therefore, the invention provides an electric energy meter with a wire bending prevention function to solve the problems. Disclosure of Invention Aiming at the situation, in order to overcome the defects of the prior art, the invention provides the electric energy meter with the function of preventing the wire from bending, which effectively solves the problems that the binding posts of the current electric energy meter are fixedly arranged and cannot be adjusted according to the actual length of the on-site wire, the reserved length of the wire is difficult to accurately control, and the binding posts cannot be accessed due to too short length of the wire, so that the installation failure is caused. Meanwhile, the wire has higher strength, the bending operation difficulty is higher, the bent wire generates continuous reverse tension to the wiring column, the connection between the wire and the wiring column is easy to loosen, and the wire is separated from the wiring column. The electric energy meter with the function of preventing the wire from bending comprises an electric energy meter base and an electric energy meter top cover, wherein the lower end of the electric energy meter base is provided with a mounting groove, a plurality of metal wiring guide rails connected to the inside of the electric energy meter are fixedly connected to the inside of the mounting groove, an adjusting frame is slidably connected to the inside of the mounting groove, a plurality of connecting slide rails which are slidably connected with the metal wiring guide rails are fixedly connected to the inside of the adjusting frame, and one end, far away from the metal wiring guide rails, of each connecting slide rail is provided with a metal wiring terminal; The metal wiring terminal comprises metal compression pieces which are connected to two sides of the connecting sliding rail in a sliding manner, the metal compression pieces are connected to the bottom of the adjusting frame in a sliding manner, and a reset extension spring is arranged between the metal compression pieces and the adjusting frame; the lower ends of the electric energy meter base and the electric energy meter top cover are respectively provided with an extension covering base and an extension covering top cover for covering the adjusting frame; the extending covering top cover is provided with a pressing structure for pushing the two metal pressing pieces to move towards the direction approaching to each other. Preferably, the pressing structure comprises a pushing block fixedly connected to the upper end of the metal pressing piece, a trapezoidal guide block i