Meter box capable of changing meters without power cut

Abstract

The utility model relates to the technical field of power equipment, in particular to an uninterruptible power meter changing meter box, which comprises an electric meter box, a plurality of groups of protective covers are arranged on the inner side of the electric meter box, two groups of damping rotating shafts are rotatably connected to the inner sides of the protective covers, and an insulating base is arranged between the two groups of damping rotating shafts. A retaining ring is installed at the end, extending to the outer side of the protective cover, of one damping rotating shaft, an electricity meter is installed on the insulating base through an electricity connection assembly, a cover plate is clamped to one side of the protective cover through a quick connection mechanism, and the quick connection mechanism comprises a locking assembly, two sets of rubber pads and a torsion assembly. The two rubber pads are embedded into the two ends of one side of the cover plate correspondingly. The tool is simple in structure and convenient to operate, a worker can conveniently and rapidly disassemble the cover plate and adjust the angle of the insulating base, the labor amount of the worker is reduced, and the replacement efficiency and practicability are further improved.

Description

Technical Field

[0001] This utility model relates to the field of power equipment technology, specifically to a meter box for uninterrupted meter replacement. Background Technology

[0002] With the development of industry, agriculture, and various service industries, the demand for electricity in the whole society is increasing, and the requirements for power supply quality and reliability are becoming higher. The use of electricity meters has also become widespread. Each set of meters is usually installed inside a meter box. After years of use, outdated meters and meters that have reached their service life need to be replaced. Previously, meter replacement work had to be carried out during a power outage, even if only for a few minutes, which still caused some disruption to users. Therefore, an uninterrupted meter replacement auxiliary device is used to connect the power supply circuit, thus completing the meter replacement without power interruption. However, the current uninterrupted meter replacement auxiliary devices used in meter boxes and on meters have some shortcomings. Currently used uninterrupted meter replacement auxiliary devices... When using this device, first install wire clamps on the original meter's inlet and outlet lines. The clamps have tapered conductive heads and clips. When the clips are engaged, the pointed tip of the tapered conductive head "minimally penetrates" the insulation layer, electrically connecting the internal metal wires to the external uninterruptible meter replacement auxiliary power supply box. Power is then supplied to the user through the uninterruptible meter replacement auxiliary power supply box. However, in this process, firstly, the tapered conductive head needs to damage the insulation layer of the inlet and outlet lines, requiring repair after the meter replacement is completed. If not repaired, it can easily cause leakage in the wires during subsequent power use. Secondly, when the tapered conductive head connects to the internal wires of the inlet and outlet lines, the reliability of the connection cannot be guaranteed, resulting in unstable power supply for the user during the power connection process, which has a certain impact on the user.

[0003] To solve the above-mentioned technical problems, Chinese Patent No. CN116231503A discloses an auxiliary device for uninterrupted meter replacement, which includes an insulating base and an electric meter. The insulating base has evenly spaced movable grooves inside, and limit holes are opened on the left and right sides of the insulating base. Both the movable grooves and the limit holes are T-shaped. A power connection device I is movably installed inside the insulating base and in the middle of the movable groove.

[0004] While the aforementioned existing technical solutions facilitate the quick disassembly of old meters and allow for direct use of newly connected meters, simplifying the meter replacement process, they require workers to individually tighten the screws on the protective box and insulating base during meter replacement, which is time-consuming. Furthermore, adjusting the positions of the connecting device I and connecting device II during replacement also requires rotating the limit nuts on each set of limit blocks, making the operation cumbersome and time-consuming, increasing the workload of workers, and consequently affecting the efficiency of meter replacement. Utility Model Content

[0005] The purpose of this utility model is to provide a meter box for uninterrupted meter replacement, in order to solve the problem mentioned in the background art that when replacing the meter inside the meter box, it is necessary for the staff to turn the screws on the protective box and the insulating base one by one, which is time-consuming. At the same time, when replacing the meter, adjusting the position of the connecting device I and the connecting device II also requires rotating the limit nuts on each set of limit blocks. The operation is cumbersome and time-consuming, which increases the workload of the staff and thus affects the efficiency of meter replacement.

[0006] To achieve the above objectives, this utility model provides the following technical solution:

[0007] A non-disconnect meter box includes a meter box with multiple sets of protective covers arranged inside. Two sets of damping shafts are rotatably connected inside the protective covers, and an insulating base is installed between the two sets of damping shafts. One set of damping shafts extends to the outer end of the protective cover and is fitted with a buckle. A meter is mounted on the insulating base via a power connection assembly. A cover plate is snapped onto one side of the protective cover via a quick-connect mechanism. The quick-connect mechanism includes a locking assembly, two sets of rubber pads, and a torsion assembly. The two sets of rubber pads are respectively embedded at both ends of one side of the cover plate. The locking assembly is used to lock the position of the cover plate and the protective cover, and the torsion assembly is used to release the lock on the cover plate.

[0008] As a preferred embodiment of this utility model, the locking assembly includes a mating hole formed inside one of the rubber pads, a locking block installed on one side of the cover plate at the mating hole, the outer wall of the locking block fitting against the inner wall of the mating hole, a locking groove formed on the outer wall of the protective cover corresponding to the mating hole, the locking block and the locking groove being slidably connected, a locking groove formed inside the protective cover on one side of the locking groove, a rotating rod rotatably connected inside the locking groove, and a locking block sleeved on the outer side of the rotating rod.

[0009] As a preferred embodiment of this utility model, a connecting groove is provided on one side of the locking block, an extension plate is installed on one side of the inner wall of the locking groove, a limit spring is installed between the inner wall of the connecting groove and the extension plate, and the mating surfaces of the card block and the locking block are provided with mutually mating guide surfaces.

[0010] As a preferred embodiment of this utility model, the locking block has a retraction groove inside its guide surface, an abutment rod is rotatably connected to the inside of the retraction groove, a protrusion is sleeved on the outside of the abutment rod, a reset torsion spring is installed between the abutment rod and the inner wall of the retraction groove, the card block has an abutment groove inside its guide surface, and a sloping surface corresponding to and fitting against the guide surface is formed on one side of the protrusion.

[0011] As a preferred embodiment of this utility model, the torsion assembly includes a limiting groove formed on one side of the inner wall of the locking groove, a limiting plate that is slidably connected to the limiting groove is installed at the end of the locking block away from the guide surface, and a torsion plate is installed at the end of the rotating rod that extends to the outside of the protective cover.

[0012] As a preferred embodiment of this utility model, the power connection assembly includes power connection grooves formed at both ends of the outer wall of the insulating base, multiple sets of power connection posts arranged and installed inside the power connection grooves, a power connection hole is formed at the bottom of the meter, the power connection hole and the power connection post are slidably connected, and the cross-section of the insulating base is L-shaped.

[0013] As a preferred embodiment of this utility model, a placement groove is provided at one bottom end of the insulating base, and a power connecting wire is installed inside the placement groove. The top two ends of the power connecting wire are respectively fixedly connected to one end of the power connecting posts on both sides.

[0014] Compared with the prior art, the beneficial effects of this utility model are:

[0015] In this invention, the locking component locks the position of the cover plate and the protective cover, and the twisting component releases the lock on the cover plate. The structure is simple and easy to operate, making it convenient for workers to quickly disassemble the cover plate and adjust the angle of the insulating base, reducing the workload of workers and further improving the replacement efficiency and practicality. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0017] Figure 2 This is a three-dimensional structural diagram of the electric meter and protective cover of this utility model;

[0018] Figure 3 This is a schematic diagram of the cover plate separation structure of this utility model;

[0019] Figure 4 This is a partial cross-sectional view of the insulating base of this utility model;

[0020] Figure 5 This is a partial cross-sectional view of the protective cover of this utility model.

[0021] In the diagram: 1. Meter box; 2. Damping shaft; 3. Protective cover; 4. Insulating base; 5. Meter; 6. Cover plate; 7. Locking block; 8. Extension plate; 9. Limiting spring; 10. Guide surface; 11. Protruding plate; 12. Reset torsion spring; 13. Inclined surface; 14. Limiting plate; 15. Torsion plate; 16. Electrical connection post; 17. Electrical connection wire; 18. Electrical connection slot; 19. Placement slot; 20. Retraction slot; 21. Buckle ring; 22. Rubber pad; 23. Locking block; 24. Rotating rod. Detailed Implementation

[0022] The technical solutions of the present utility model will be clearly and completely described below with reference to the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present utility model without creative effort are within the protection scope of the present utility model.

[0023] Example: Please refer to Figures 1-5 This utility model provides a technical solution:

[0024] A non-disconnect meter replacement box includes a meter box 1. Multiple protective covers 3 are arranged and installed inside the meter box 1. Two sets of damping shafts 2 are rotatably connected inside the protective covers 3. An insulating base 4 is installed between the two sets of damping shafts 2. One set of damping shafts 2 extends to the outer side of the protective cover 3 and is fitted with a retaining ring 21. A meter 5 is installed on the insulating base 4 via a power connection assembly. A cover plate 6 is snapped onto one side of the protective cover 3 via a quick-connect mechanism. The quick-connect mechanism includes a locking assembly, two sets of rubber pads 22, and a torsion assembly. The two sets of rubber pads 22 are respectively embedded at both ends of one side of the cover plate 6. The locking assembly locks the position of the cover plate 6 and the protective cover 3, and the torsion assembly releases the lock on the cover plate 6. In use, the device locks the position of the cover plate 6 and the protective cover 3 using the locking assembly and releases the lock on the cover plate 6 using the torsion assembly. The device has a simple structure and is easy to operate, allowing workers to quickly disassemble the cover plate 6 and adjust the angle of the insulating base 4, reducing workload and further improving replacement efficiency and practicality.

[0025] In this embodiment, as Figure 1 , Figure 2 and Figure 3As shown, the locking assembly includes a mating hole inside one set of rubber pads 22. A locking block 23 is installed on one side of the cover plate 6 at the mating hole. The outer wall of the locking block 23 fits against the inner wall of the mating hole. A slot is provided on the outer wall of the protective cover 3 corresponding to the mating hole. The locking block 23 and the slot are slidably connected. A locking groove is provided inside the protective cover 3 on one side of the slot. A rotating rod 24 is rotatably connected to the inside of the locking groove. A locking block 7 is sleeved on the outside of the rotating rod 24. A connecting groove is provided on one side of the locking block 7. An extension plate 8 is installed on one side of the inner wall of the locking groove. A limit spring 9 is installed between the inner wall of the connecting groove and the extension plate 8. The mating surfaces of the locking block 23 and the locking block 7 are provided with mutually mating guide surfaces 10. First, during assembly, the cover plate 6 is locked into the protective cover 3. At this time, the two sets of rubber pads 22 are locked into the protective cover 3. Rubber pads 22 overlap the outer wall of the protective cover 3, allowing the locking block 23 to smoothly enter the inner side of the slot. Then, the cover plate 6 is squeezed. As the two sets of rubber pads 22 retract, the locking block 23 enters the inner side of the locking groove and contacts the locking block 7. The guide surfaces 10 of the two press against each other, forcing the locking block 7 to rotate around the rotating rod 24. The limiting spring 9 is stretched accordingly. After the locking block 23 contacts the protruding plate 11, the guide surface 10 and the inclined surface 13 press against each other, forcing the abutment rod to drive the reset torsion spring 12 to retract, allowing the protruding plate 11 to completely retract into the retraction groove 20. Until the abutment groove is close to the retraction groove 20, the protruding plate 11 is popped out by the reset torsion spring 12 into the inner side of the abutment groove. At this time, the cover plate 6 is released, and the two sets of rubber pads 22 will rebound and drive the locking block 23 to move back. The protruding plate 11 is pressed tightly against the inner wall of the abutment groove.

[0026] In this embodiment, as Figure 1 , Figure 2 and Figure 3 As shown, the locking block 7 has a retraction groove 20 inside its guide surface 10. An abutment rod is rotatably connected to the inside of the retraction groove 20. A protrusion 11 is sleeved on the outside of the abutment rod. A reset torsion spring 12 is installed between the abutment rod and the inner wall of the retraction groove 20. The locking block 23 has an abutment groove inside its guide surface 10. One side of the protrusion 11 has an inclined surface 13 that corresponds to and fits against the guide surface 10. The torsion assembly includes a limiting groove formed on one side of the inner wall of the locking groove. A corresponding torsion spring 12 is installed at the end of the locking block 7 away from the guide surface 10. The limiting plate 14 is slidably connected to the limiting groove. The rotating rod 24 extends to one end of the protective cover 3 and is equipped with a torsion plate 15. When replacing the meter 5, the torsion plate 15 can be twisted to drive the rotating rod 24 to rotate, which in turn drives the locking block 7 to rotate. The protruding plate 11 is dragged away from the inner wall of the abutment groove. At this time, the rubber pad 22 is fully reset and rebounds. The locking block 23 continues to move. After the abutment groove and the retraction groove 20 are misaligned, the protruding plate 11 will no longer be stuck in the inner side of the abutment groove. Then the cover plate 6 can be removed to replace the meter 5.

[0027] In this embodiment, as Figure 3 , Figure 4 and Figure 5As shown, the power connection assembly includes power connection grooves 18 at both ends of the outer wall of the insulating base 4. Multiple sets of power connection posts 16 are arranged and installed inside the power connection grooves 18. The bottom of the meter 5 has a power connection hole, which is slidably connected to the power connection post 16. The cross-section of the insulating base 4 is L-shaped. Furthermore, after the cover plate 6 is removed, the buckle 21 can be fastened to cooperate with two sets of damping rotating shafts 2 to drive the insulating base 4 to rotate. The reason for rotating is to ensure that the end of the meter 5 not installed is facing outward when replacing the meter 5. If the end of the meter 5 not installed is already facing outward, it can be rotated after the new meter 5 is installed and the old meter 5 is removed so that the new meter 5 is facing the staff.

[0028] In this embodiment, as Figure 3 , Figure 4 and Figure 5 As shown, a placement groove 19 is provided at one end of the bottom of the insulating base 4. A power connection wire 17 is installed inside the placement groove 19. The top two ends of the power connection wire 17 are fixedly connected to one end of the power connection post 16 on both sides. Furthermore, when installing the meter 5, the power connection post 16 can be snapped into the power connection hole, and then the meter 5 and the power connection post 16 can be locked with screws. The operation is the same when replacing the meter 5.

[0029] The implementation principle of the uninterrupted meter replacement box in this application embodiment is as follows: During assembly, the cover plate 6 is first engaged with the protective cover 3. At this time, two sets of rubber pads 22 overlap the outer wall of the protective cover 3, allowing the locking block 23 to smoothly enter the inner side of the slot. Then, the cover plate 6 is squeezed. As the two sets of rubber pads 22 retract, the locking block 23 enters the inner side of the locking groove and contacts the locking block 7. The guide surfaces 10 of the two press against each other, forcing the locking block 7 to rotate around the rotating rod 24. The limiting spring 9 is stretched accordingly. After the locking block 23 contacts the protruding plate 11, the guide surface 10 and the inclined surface 13 press against each other, forcing the abutment rod to drive the return torsion spring 12 to retract, allowing the protruding plate 11 to completely retract into the retraction groove 20. Until the abutment groove is close to the retraction groove 20, the protruding plate 11 is ejected by the return torsion spring 12 into the inner side of the abutment groove. At this time, the cover plate 6 is released, and the two sets of rubber pads 22 will rebound, causing the locking block 23 to move back and the protruding plate 11 to abut against the inner wall of the abutment groove and be fixed. When replacing meter 5, the torsion plate 15 can be twisted to rotate the rotating rod 24, which in turn rotates the locking block 7. The protruding plate 11 is pulled away from the inner wall of the abutment groove. At this time, the rubber pad 22 fully resets and rebounds, and the locking block 23 continues to move. After the abutment groove and the retraction groove 20 are misaligned, the protruding plate 11 will no longer be stuck inside the abutment groove. Then the cover plate 6 can be removed to replace meter 5. After removing the cover plate 6, the buckle 21 can be fastened in conjunction with the two sets of damping rotating shafts 2 to drive the insulating base 4 to flip. The reason for flipping is to ensure that the end of meter 5 not installed is facing outward when replacing meter 5. If meter 5 not installed is already facing outward, it can be flipped after installing the new meter 5 and removing the old meter 5 so that the new meter 5 is facing the staff. When installing meter 5, the terminal 16 can be snapped into the terminal hole, and then the meter 5 and terminal 16 can be locked with screws. The operation is the same when replacing meter 5.

[0030] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A meter box without power interruption for meter change, comprising a meter box (1), characterized in that: The electric meter box (1) is arranged with multiple groups of protective covers (3) inside, two groups of damping rotating shafts (2) are rotatably connected inside the protective covers (3), an insulating base (4) is arranged between the two groups of damping rotating shafts (2), a buckle (21) is arranged at one end of the damping rotating shaft (2) extending to the outside of the protective cover (3), an electric meter (5) is arranged on the insulating base (4) through an electricity connection assembly, a cover plate (6) is clamped on one side of the protective cover (3) through a quick connection mechanism, the quick connection mechanism comprises a locking assembly, two groups of rubber pads (22) and a torsion assembly, the two groups of rubber pads (22) are respectively embedded on both ends of one side of the cover plate (6), the locking assembly is used for locking the position of the cover plate (6) and the protective cover (3), and the torsion assembly is used for unlocking the cover plate (6).

2. The dead-front meter socket of claim 1, wherein: The locking assembly comprises a butt joint hole formed in one of the rubber pads (22), a clamping block (23) is arranged on one side of the cover plate (6) at the butt joint hole, the outer wall of the clamping block (23) is attached to the inner wall of the butt joint hole, a clamping groove is formed in the outer wall of the protective cover (3) corresponding to the butt joint hole, the clamping block (23) and the clamping groove are in sliding connection, a locking groove is formed in one side of the protective cover (3) inside the clamping groove, a rotating rod (24) is rotatably connected inside the locking groove, and a locking block (7) is sleeved on the outer side of the rotating rod (24).

3. A no power cut-over chamber according to claim 2, characterized in that: A connecting groove is formed in one side of the locking block (7), an extension plate (8) is arranged on one side of the inner wall of the locking groove, a limiting spring (9) is arranged between the inner wall of the connecting groove and the extension plate (8), and the abutting surfaces of the clamping block (23) and the locking block (7) are respectively provided with abutting guide surfaces (10).

4. The no power cut meter changing box according to claim 3, characterized in that: A retraction groove (20) is formed in the locking block (7) inside the guide surface (10) thereof, an abutting rod is rotatably connected inside the retraction groove (20), a convex plate (11) is sleeved on the outer side of the abutting rod, a reset torsion spring (12) is arranged between the abutting rod and the inner wall of the retraction groove (20), an abutting groove is formed in the clamping block (23) inside the guide surface (10) thereof, and an inclined surface (13) corresponding to the guide surface (10) is formed in one side of the convex plate (11).

5. A no power cut-over chamber according to claim 4, characterized in that: The torsion assembly comprises a limiting groove formed in one side of the inner wall of the locking groove, a limiting plate (14) is arranged on one end of the locking block (7) away from the guide surface (10) and in sliding connection with the limiting groove, and a torsion plate (15) is arranged on one end of the rotating rod (24) extending to the outside of the protective cover (3).

6. A no power cut-over chamber according to claim 5, characterized in that: The electricity connection assembly comprises electricity connection grooves (18) formed in both ends of the outer wall of the insulating base (4), multiple groups of electricity connection columns (16) are arranged inside the electricity connection grooves (18), an electricity connection hole is formed in the bottom of the electric meter (5), the electricity connection hole and the electricity connection columns (16) are in sliding connection, and the cross section of the insulating base (4) is L-shaped.

7. A no power cut-over chamber according to claim 6, characterized in that: An accommodation groove (19) is formed in one end of the bottom of the insulating base (4), an electricity connection wire (17) is arranged inside the accommodation groove (19), and the top of the electricity connection wire (17) is fixedly connected with one end of the electricity connection column (16) on both sides.

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