Floor type electric energy metering box

By incorporating a combination of omnidirectional casters and support legs into a floor-standing electricity metering box, and utilizing threaded transmission and a drive motor, the metering box can be moved conveniently and placed stably. This solves the problem of poor stability in existing technologies and improves operational efficiency, as well as the accuracy and safety of electricity metering.

CN224472945UActive Publication Date: 2026-07-07ZHAOQING HENGGANG ELECTRICAL TECH DEV

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
ZHAOQING HENGGANG ELECTRICAL TECH DEV
Filing Date
2025-07-10
Publication Date
2026-07-07

AI Technical Summary

Technical Problem

Existing floor-mounted electricity metering boxes suffer from poor stability due to their roller design. They are prone to displacement due to external forces or human operation, which affects the accuracy of electricity metering and poses safety hazards.

Method used

It adopts a combination structure of universal casters and support legs, and realizes convenient movement and stable placement of the metering box through threaded transmission and drive structure. The support legs are made of rubber and the trapezoidal design enhances stability. The drive motor drives the worm gear to realize the synchronous lifting and lowering of the support legs, eliminating the need for manual operation.

Benefits of technology

This enables the floor-mounted electricity metering box to be flexible and convenient to move, and stable and reliable when placed, reducing labor costs, improving operational efficiency and the operational reliability of power facilities, and ensuring the accuracy and safety of electricity metering.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN224472945U_ABST
    Figure CN224472945U_ABST
Patent Text Reader

Abstract

The utility model discloses a floor type electric energy metering box relates to electric energy metering box technical field, including electric energy metering box body and install in the electric energy metering box body bottom surface four corner place's universal mobile wheel, electric energy metering box body bottom surface still is equipped with the installation frame, the inside of installation frame is provided with the installation cavity, the four corners of installation frame all are rotatably installed with the threaded bush, the inside screw thread coupling of threaded bush has the threaded rod that extends along its axial direction, threaded rod bottom end extends to the installation frame bottom surface and is fixedly connected with the supporting leg, threaded rod top end extends to the inside of installation cavity. The utility model solves the problem that the existing floor type electric energy metering box moves and is difficult to take into account with stability.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] This utility model relates to the technical field of electricity metering boxes, specifically a floor-standing electricity metering box. Background Technology

[0002] An electricity metering box is a product specifically designed for calculating electrical energy consumption. It mainly consists of a box body, a door, an electricity meter, a circuit breaker, and conductive plates. Currently, there are many types of electricity metering boxes. Floor-standing electricity metering boxes are easy to install, aesthetically pleasing, and occupy little space, making them a popular combination product for use in residential areas, industrial and mining enterprises, and in conjunction with prefabricated transformers.

[0003] In the field of electricity metering, floor-standing electricity metering boxes are widely used in various power facilities for accurate metering and management of electrical energy. To facilitate installation, maintenance, and relocation, existing floor-standing electricity metering boxes typically have a caster system at the bottom. This design greatly improves the ease of movement of the metering box, significantly reduces labor costs, and improves the efficiency of power facility installation and maintenance.

[0004] However, this type of floor-standing electricity metering box with casters has significant drawbacks in daily use. Due to the casters, the metering box contacts the ground in a rolling manner, which significantly reduces stability compared to traditional surface contact. Under frequent human operation, external environmental interference, or minor impacts, the metering box is prone to displacement, potentially damaging internal metering equipment, affecting the accuracy of electricity measurement, and even causing circuit malfunctions, posing a safety hazard.

[0005] In view of the above, this application is hereby submitted. Utility Model Content

[0006] The purpose of this utility model is to provide a floor-standing electricity metering box to solve the problems mentioned in the background art.

[0007] To solve the above-mentioned technical problems, this utility model provides a floor-standing electricity metering box, including an electricity metering box body and omnidirectional casters installed at the four corners of the bottom surface of the electricity metering box body. The bottom surface of the electricity metering box body is also equipped with an installation frame, and the installation frame has an installation cavity inside. Threaded sleeves are rotatably installed at the four corners of the installation frame. The threaded sleeves are internally threaded with threaded rods extending along their axial direction. The bottom end of the threaded rod extends to the bottom surface of the installation frame and is fixedly connected to a support foot. The top end of the threaded rod extends into the interior of the installation cavity.

[0008] Furthermore, the cross-section of the support leg is trapezoidal, and the support leg is made of rubber.

[0009] Furthermore, it also includes a drive structure mounted on the mounting frame for driving multiple threaded sleeves to rotate synchronously. The drive structure includes a worm gear mounted on the outer wall of the threaded sleeve. Two rotating rods are rotatably mounted on the mounting frame. The two rotating rods are arranged in parallel and symmetrically. A worm coaxial with the rotating rod is mounted on the outer wall of the rotating rod. The worm meshes with the worm gear. A drive motor is installed inside the mounting cavity. A driving wheel is mounted on the driving end of the drive motor. A driven wheel is mounted on the outer wall of the rotating rod. The driven wheel and the driving wheel are connected by a synchronous belt drive.

[0010] Furthermore, the rotating rod extends along the length of the left and right side walls of the mounting frame, and its end is rotatably connected to the inner wall of the mounting cavity via a bearing.

[0011] Furthermore, the worm gear, worm, drive motor, drive pulley, and timing belt are all located inside the mounting cavity.

[0012] Furthermore, the threaded rod has a limiting hole extending along its axial direction inside, and a limiting rod is provided inside the limiting hole. The top end of the limiting rod is connected to the inner top wall of the mounting cavity.

[0013] Compared with the prior art, the beneficial effects of this utility model are:

[0014] 1. This utility model, through the cooperation of the threaded transmission assembly with the universal casters and support feet, makes the metering box flexible and convenient when it needs to be moved, and stable and reliable when it is placed, thus solving the problem that existing floor-mounted electricity metering boxes are difficult to balance in terms of mobility and stability.

[0015] 2. In this utility model, the drive structure enables synchronous driving of multiple outriggers, eliminating the need for separate manual operation, which greatly improves operating efficiency and reduces labor costs. At the same time, the stable installation method of the rotating rod ensures the stability and accuracy of the drive structure operation, ensuring smooth lifting and lowering of the outriggers. Attached Figure Description

[0016] Figure 1 This is a side view of the structure of this utility model;

[0017] Figure 2 This is a front view structural diagram of the present utility model;

[0018] Figure 3 This is a side view of the mounting frame in this utility model.

[0019] Figure 4 This is a front view of the mounting frame in this utility model.

[0020] Figure 5 For along Figure 4 A schematic diagram of the cross-sectional structure of the central section AA.

[0021] In the diagram: 1. Electricity metering box body; 2. Universal caster wheel; 3. Mounting frame; 4. Threaded sleeve; 5. Threaded rod; 6. Support leg; 7. Worm gear; 8. Rotating rod; 9. Worm; 10. Driven wheel; 11. Drive motor; 12. Driving wheel; 13. Synchronous belt; 14. Limiting rod; 15. Mounting cavity. Detailed Implementation

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

[0023] Please see Figures 1-5 This utility model provides a technical solution: a floor-standing electricity metering box, including an electricity metering box body 1 and universal casters 2 installed at the four corners of the bottom surface of the electricity metering box body 1. An installation frame 3 is also installed on the bottom surface of the electricity metering box body 1. An installation cavity 15 is provided inside the installation frame 3. Threaded sleeves 4 are rotatably installed at the four corners of the installation frame 3. Threaded rods 5 extending axially are threadedly connected inside the threaded sleeves 4. The bottom end of the threaded rods 5 extends to the bottom surface of the installation frame 3 and is fixedly connected to a support foot 6. The top end of the threaded rods 5 extends into the interior of the installation cavity 15.

[0024] Specifically, a mounting frame 3 is installed on the bottom surface of the electricity metering box body 1. Threaded sleeves 4 are rotatably mounted at the four corners of the mounting frame 3. Threaded rods 5 are threadedly connected to the threaded sleeves 4. When the threaded sleeves 4 are rotated, according to the principle of threaded transmission, the threaded rods 5 will move up and down along their axial direction. When the metering box needs to be moved, the threaded rods 5 are moved upwards, allowing the universal casters 2 to contact the ground for easy movement. When the metering box needs to be placed stably, the threaded sleeves 4 are rotated, causing the threaded rods 5 to move downwards, allowing the support legs 6 to contact the ground and support the box body, while the universal casters 2 are lifted off the ground. This structural design allows the floor-standing electricity metering box to combine convenient movement with stable placement. When movement is required, the universal casters 2 function, facilitating installation, maintenance, and position adjustment. During normal use, the support legs 6 support the ground, preventing rolling contact caused by the universal casters 2, improving the stability of the metering box, preventing the box from shifting or tipping over due to minor external impacts or personnel operation, protecting the internal metering equipment, ensuring the accuracy of electricity metering, reducing the risk of circuit failures, and improving the reliability of the power system operation.

[0025] As a technical optimization of this utility model, the cross-section of the support leg 6 is trapezoidal, and the material of the support leg 6 is rubber.

[0026] Specifically, the support leg 6 has a trapezoidal cross-section. This shape allows the support leg 6, which is narrower at the top and wider at the bottom, to provide a larger support area when in contact with the ground, thus enhancing stability. At the same time, the rubber material has good elasticity and friction, and can fit tightly with the ground when in contact, further preventing the support leg 6 from sliding. The trapezoidal cross-section and rubber material design effectively improve the anti-slip performance and support stability of the support leg 6, making the metering box more stable when placed. Even when the ground is uneven or subjected to external forces, it can reduce the possibility of shaking and displacement of the box, and better protect the internal equipment of the metering box.

[0027] As a technical optimization of this utility model, it also includes a drive structure set on the mounting frame 3 for driving multiple threaded sleeves 4 to rotate synchronously. The drive structure includes a worm gear 7 installed on the outer wall of the threaded sleeve 4. A rotating rod 8 is rotatably set on the mounting frame 3. There are two rotating rods 8, which are arranged in parallel and symmetrically. A worm 9 coaxial with the rotating rod 8 is installed on the outer wall of the rotating rod 8. The worm 9 is meshed with the worm gear 7. A drive motor 11 is installed inside the mounting cavity 15. A drive wheel 12 is installed on the drive end of the drive motor 11. A driven wheel 10 is installed on the outer wall of the rotating rod 8. The driven wheel 10 and the drive wheel 12 are connected by a synchronous belt 13.

[0028] Specifically, after the drive motor 11 starts, it drives the drive wheel 12 to rotate. The drive wheel 12 drives the driven wheel 10 to rotate via the synchronous belt 13, which in turn causes the rotating rod 8 to rotate. The worm 9 on the rotating rod 8 rotates accordingly. Since the worm 9 is meshed with the worm wheel 7, the worm wheel 7 drives the threaded sleeve 4 to rotate synchronously, realizing the synchronous drive of multiple threaded sleeves 4. This allows the four support legs 6 to move up and down synchronously. This drive structure realizes the synchronous drive of multiple support legs 6, eliminating the need to manually operate each threaded sleeve 4 separately, greatly improving the convenience and efficiency of operation. At the same time, it ensures that the four support legs 6 can rise and fall synchronously, avoiding the tilting of the box due to asynchronous rising and falling of the support legs 6, further improving the stability and reliability of the metering box during use.

[0029] As a technical optimization of this utility model, the rotating rod 8 extends along the length of the left and right side walls of the mounting frame 3, and its end is rotatably connected to the inner wall of the mounting cavity 15 through a bearing.

[0030] Specifically, this ensures that the rotating rod 8 remains stable during rotation, guaranteeing stable meshing and transmission between the worm gear 9 and the worm wheel 7, thereby ensuring the normal operation of the entire drive structure. The stable installation method of the rotating rod 8 improves the stability and reliability of the drive structure, reduces transmission problems caused by shaking or offset of the rotating rod 8, extends the service life of the drive structure, and ensures the stability and accuracy of the lifting operation of the support leg 6.

[0031] As a technical optimization of this utility model, the worm gear 7, worm 9, drive motor 11, drive wheel 12 and timing belt 13 are all located inside the mounting cavity 15.

[0032] Specifically, the worm gear 7, worm 9, drive motor 11, drive pulley 12, and timing belt 13 are all located inside the mounting cavity 15. This layout protects these components from damage caused by external environmental factors such as dust, moisture, and external impacts. Placing key transmission and drive components inside the mounting cavity 15 effectively improves the safety and service life of these components, reduces the probability of failure caused by external factors, lowers maintenance costs, and ensures the long-term stable operation of the metering box drive structure.

[0033] As a technical optimization of this utility model, the threaded rod 5 has a limiting hole extending along its axial direction inside, and a limiting rod 14 is provided inside the limiting hole. The top end of the limiting rod 14 is connected to the inner top wall of the mounting cavity 15.

[0034] Specifically, when the threaded sleeve 4 drives the threaded rod 5 to rotate, the limiting rod 14 restricts the rotation of the threaded rod 5, so that it can only move up and down along the axial direction, ensuring the accuracy and stability of the lifting and lowering of the threaded rod 5. The setting of the limiting rod 14 effectively prevents the threaded rod 5 from rotating during the lifting and lowering process, ensuring that the support leg 6 can be lifted and lowered vertically, avoiding the tilting of the support leg 6 due to the rotation of the threaded rod 5, thereby improving the stability of the metering box placement and ensuring the reliability of the entire metering box structure.

[0035] Working Principle: In this floor-mounted electricity metering box solution, a mounting frame 3 is installed on the bottom surface of the electricity metering box body 1. The drive structure and threaded transmission assembly within the mounting frame 3 work together. When the metering box needs to be moved, the drive motor 11 is started, which drives the drive wheel 12 to rotate. Through the synchronous belt 13, the driven wheel 10 and the rotating rod 8 rotate. The worm gear 9 on the rotating rod 8 rotates accordingly, which in turn drives the worm wheel 7 and the threaded sleeve 4 to rotate. According to the threaded transmission principle, the threaded rod 5 moves upward, allowing the universal caster wheel 2 to contact the ground, enabling convenient movement. When the metering box needs to be placed stably, the drive motor 11 is started again, causing the threaded rod 5 to move downward. The support leg 6 contacts the ground and supports the box body, and the universal caster wheel 2 leaves the ground. During this process, the limiting rod 14 inside the threaded rod 5 restricts its rotation, ensuring that the threaded rod 5 rises and falls accurately along the axial direction. The support leg 6, with its trapezoidal cross-section and rubber material, fits tightly against the ground, ensuring stable support.

[0036] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

[0037] Furthermore, it should be understood that although this specification describes embodiments, not every embodiment contains only one independent technical solution. This narrative style is merely for clarity. Those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A floor-standing electricity metering box, comprising an electricity metering box body (1) and omnidirectional casters (2) installed at the four corners of the bottom surface of the electricity metering box body (1), characterized in that: The bottom surface of the power metering box body (1) is also equipped with an installation frame (3). The installation frame (3) has an installation cavity (15) inside. Threaded sleeves (4) are rotatably installed at the four corners of the installation frame (3). The threaded sleeves (4) are threadedly connected to the inside of the threaded sleeves (4) with threaded rods (5) extending along their axial direction. The bottom end of the threaded rods (5) extends to the bottom surface of the installation frame (3) and is fixedly connected to a support foot (6). The top end of the threaded rods (5) extends into the interior of the installation cavity (15).

2. A floor-standing electricity metering box as described in claim 1, characterized in that: The cross-section of the support leg (6) is trapezoidal, and the material of the support leg (6) is rubber.

3. A floor-standing electricity metering box as described in claim 1, characterized in that: It also includes a drive structure set on the mounting frame (3) for driving multiple threaded sleeves (4) to rotate synchronously. The drive structure includes a worm gear (7) mounted on the outer wall of the threaded sleeve (4). A rotating rod (8) is rotatably set on the mounting frame (3). There are two rotating rods (8), which are arranged in parallel and symmetrically. A worm (9) coaxial with the rotating rod (8) is installed on the outer wall of the rotating rod (8). The worm (9) meshes with the worm gear (7). A drive motor (11) is installed inside the mounting cavity (15). A drive wheel (12) is installed at the drive end of the drive motor (11). A driven wheel (10) is installed on the outer wall of the rotating rod (8). The driven wheel (10) and the drive wheel (12) are connected by a synchronous belt (13).

4. A floor-standing electricity metering box as described in claim 3, characterized in that: The rotating rod (8) extends along the length of the left and right side walls of the mounting frame (3), and its end is rotatably connected to the inner wall of the mounting cavity (15) through a bearing.

5. A floor-standing electricity metering box as described in claim 3, characterized in that: The worm gear (7), worm (9), drive motor (11), drive wheel (12) and timing belt (13) are all located inside the mounting cavity (15).

6. A floor-standing electricity metering box as described in claim 1, characterized in that: The threaded rod (5) has a limiting hole extending along its axial direction inside, and a limiting rod (14) is provided inside the limiting hole. The top end of the limiting rod (14) is connected to the inner top wall of the mounting cavity (15).