A meter box with control switch electric shock protection structure

By incorporating a transparent front cover and a rectangular insulating plate into the meter box, the risk of electric shock when opening and closing the control switch is eliminated, and safety protection is achieved to prevent hands from touching the metal screws.

CN122238682APending Publication Date: 2026-06-19ZHEJIANG HAOLONG MOLDS IND CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
ZHEJIANG HAOLONG MOLDS IND CO LTD
Filing Date
2026-05-06
Publication Date
2026-06-19

AI Technical Summary

Technical Problem

Existing meter boxes are prone to electric shock accidents during the opening and closing of control switches, and lack effective leakage protection structures.

Method used

An electric meter box structure including a rear shell and a transparent front cover was designed. The lower part of the transparent front cover is provided with rectangular mounting holes and a rectangular insulating plate. The rectangular insulating plate is fixed by limiting steps and elastic clips, covering the metal screws of the control switch to prevent direct contact.

Benefits of technology

This effectively prevents hands from coming into contact with the metal screws when opening and closing the control switch, avoiding electric shock accidents and improving the safety of the meter box.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN122238682A_ABST
    Figure CN122238682A_ABST
Patent Text Reader

Abstract

This invention provides a meter box with an anti-electric shock protection structure for a control switch, including a rear shell and a transparent front cover. The meter is connected to the upper part of the front side of the rear shell, and a control switch is connected to the lower part. A rectangular mounting hole is provided on the lower part of the transparent front cover corresponding to the control switch. A limiting step is provided around the rectangular mounting hole. A rectangular insulating plate is provided on the rectangular mounting hole. A positioning groove is provided on the top of the rectangular insulating plate to engage with the limiting step. An elastic clip extends from the bottom of the rectangular insulating plate. The rectangular insulating plate is installed from front to back into the rectangular mounting hole, with its top engaged in the limiting step by the positioning groove and its bottom fixed to the limiting step by the elastic clip. An operating hole is provided in the middle of the rectangular insulating plate. The operating flip button of the control switch extends from the operating hole. A flip cover is hinged to the top of the operating hole, covering the outside of the operating flip button. This invention prevents contact with the metal screws on the control switch during opening and closing, thus preventing electric shock.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] This invention relates to the field of meter box technology, and in particular to a meter box with a control switch anti-electric shock protection structure. Background Technology

[0002] The meter box contains the electricity meter and mainly consists of three parts: the box body, the individual meter, and the circuit control switch. The box body locks the meter and control switch inside, preventing damage to electrical components and avoiding electric shock to personnel. The meter displays electricity consumption, and the control switch controls the current flow in the circuit, facilitating maintenance and circuit protection. When inspecting the meter box, it is necessary to open it and disconnect the circuit using the control switch to prevent electric shock to personnel during maintenance. Therefore, the control switch on the meter box needs to be equipped with a leakage protection structure during opening and closing. Summary of the Invention

[0003] To address the aforementioned problems, this invention aims to provide a meter box with a control switch anti-electric shock protection structure. Its novel structure ensures that the metal screws on the control switch will not come into contact with the switch during the opening and closing process, thus preventing electric shock.

[0004] The technical solution of the present invention is an electric meter box with a control switch anti-electric shock protection structure, characterized in that: it includes a rear shell and a transparent front cover. The upper part of the front side of the rear shell is connected to the electric meter, and the lower part of the front side of the rear shell is connected to the control switch. A rectangular mounting hole is provided on the lower part of the transparent front cover corresponding to the control switch. A limiting step is provided around the rectangular mounting hole. A rectangular insulating plate is provided on the rectangular mounting hole. A positioning groove is provided on the top of the rectangular insulating plate to engage with the limiting step. An elastic clip extends from the bottom of the rectangular insulating plate. The rectangular insulating plate is installed from front to back into the rectangular mounting hole, with its top engaged in the limiting step by the positioning groove and its bottom engaged and fixed at the limiting step by the elastic clip. An operation hole is provided in the middle of the rectangular insulating plate. The operation flip button of the front of the control switch extends out from the operation hole. A flip cover is hinged to the top of the operation hole, and the flip cover covers the outside of the operation flip button.

[0005] Preferably, the left side of the transparent front cover is hinged to the rear housing, and the front right side of the rear housing is provided with a forward-protruding annular locking block. The right side of the transparent front cover is provided with a groove with a locking hole corresponding to the position of the annular locking block. The annular part at the front end of the annular locking block extends out from the locking hole of the groove and is locked by a padlock. A small flip cover is hinged in the groove.

[0006] Preferably, there are two annular locking blocks, located in the upper and lower parts of the rear housing respectively, and the groove and small flip cover are correspondingly two in the upper and lower parts.

[0007] Preferably, the upper, right, and lower sides of the front side of the rear housing are provided with slots, and the upper, right, and lower sides of the corresponding rear side of the transparent front cover are provided with strips. When the transparent front cover is rotated and closed on the rear housing, the strips are engaged in the slots for limiting.

[0008] Preferably, a rain cover is connected to the top of the rear housing by screws, and the front part of the rain cover extends forward to the upper front side of the transparent front cover.

[0009] This invention effectively prevents electric shock from the hands coming into contact with metal screws while operating the control switch by setting up a rectangular insulating plate. Attached Figure Description

[0010] Figure 1 This is a schematic diagram of the structure of the present invention; Figure 2 This is a structural schematic diagram from another perspective of the present invention; Figure 3 This is an exploded view of the present invention; Figure 4 for Figure 3 A structural diagram from another perspective; Figure 5 This is a schematic diagram of the connection structure between the transparent front cover and the rectangular insulating plate in this invention; Figure 6 for Figure 5 A structural diagram from another perspective; Figure 7 This is a schematic diagram of the rectangular insulating plate in this invention; Figure 8 for Figure 7 A structural diagram from another perspective; Wherein: 1—Rear housing; 11—Annular locking block; 12—Card slot; 2—Transparent front cover; 21—Rectangular mounting hole; 22—Limiting step; 23—Groove; 24—Card strip; 3—Electric meter; 4—Control switch; 41—Operating flip button; 5—Rectangular insulating plate; 51—Positioning groove; 52—Elastic card; 53—Operating hole; 6—Flip cover; 7—Small flip cover; 8—Rain cover. Detailed Implementation

[0011] The present invention will now be described in further detail with reference to the accompanying drawings.

[0012] like Figures 1 to 8As shown, the present invention provides a meter box with a control switch anti-electric shock protection structure, including a rear housing 1 and a transparent front cover 2. A meter 3 is connected to the upper part of the front side of the rear housing 1, and a control switch 4 is connected to the lower part of the front side of the rear housing 1. A rectangular mounting hole 21 is provided on the lower part of the transparent front cover 2 corresponding to the control switch 4. A limiting step 22 is provided around the rectangular mounting hole 21. A rectangular insulating plate 5 is provided on the rectangular mounting hole 21, and a part is provided on the top of the rectangular insulating plate 5 that engages with the limiting step 22. The rectangular insulating plate 5 has a positioning groove 51, and an elastic card 52 extends from the bottom of the rectangular insulating plate 5. The rectangular insulating plate 5 is installed from front to back into the rectangular mounting hole 21. Its top is engaged with the limiting step 22 through the positioning groove 51, and its bottom is engaged and fixed at the limiting step 22 through the elastic card 52. An operation hole 53 is provided in the middle of the rectangular insulating plate 5. The operation flip button part 41 at the front of the control switch 4 extends out from the operation hole 53. A flip cover 6 is hinged to the top of the operation hole 53. The flip cover 6 covers the outside of the operation flip button part 41.

[0013] Specifically, the transparent front cover 2 is hinged to the rear housing 1 on the left side. The rear housing 1 has a forward-protruding annular locking block 11 on the front right side. The transparent front cover 2 has a groove 23 with a lock hole on the right side corresponding to the position of the annular locking block 11. The annular part at the front end of the annular locking block 11 extends out from the lock hole of the groove 23 and is locked by a padlock. A small flip cover 7 is hinged in the groove 23.

[0014] Specifically, there are two annular locking blocks 11, located in the upper and lower parts of the rear housing 1 respectively, and the groove 23 and the small flip cover 7 are corresponding to the upper and lower parts.

[0015] Specifically, the upper, right, and lower sides of the front side of the rear housing 1 are provided with slots 12, and the upper, right, and lower sides of the rear side of the transparent front cover 2 are provided with strips 24. When the transparent front cover 2 is rotated and closed on the rear housing 1, the strips 24 are inserted into the slots 12 for limiting.

[0016] Specifically, a rain cover 8 is connected to the top of the rear housing 1 by screws, and the front part of the rain cover 8 extends forward to the upper front side of the transparent front cover 2.

[0017] In this invention, the rectangular insulating plate 5 is easy and quick to install. The rectangular insulating plate 5 is reliably installed and fixed by the positioning of the upper and lower parts. The operation flip button 41 protruding from the front end of the control switch 4 extends out from the operation hole 53 of the rectangular insulating plate 5. The metal screw connected to the control switch 4 is blocked inside by the rectangular insulating plate 5, ensuring that the metal screw will not be touched when the switch is turned by hand.

[0018] The above description is merely a preferred embodiment of the present invention and is not intended to limit the invention in any way. Any simple modifications, equivalent changes, or alterations made to the above embodiments based on the technical principles of the present invention shall still fall within the scope of the technical solution of the present invention.

Claims

1. A meter box with a control switch anti-electric shock protection structure, characterized in that: Includes a rear housing (1) and a transparent front cover (2). An electric meter (3) is connected to the upper part of the front side of the rear housing (1), and a control switch (4) is connected to the lower part of the front side of the rear housing (1). A rectangular mounting hole (21) is provided at the lower part of the transparent front cover (2) corresponding to the control switch (4). A limiting step (22) is provided around the rectangular mounting hole (21). A rectangular insulating plate (5) is provided on the rectangular mounting hole (21). A positioning groove (51) is provided at the top of the rectangular insulating plate (5) to engage with the limiting step (22). The bottom extends out of the elastic card (52). The rectangular insulating plate (5) is installed from front to back into the rectangular mounting hole (21). Its top is engaged in the limiting step (22) through the positioning groove (51), and its bottom is engaged and fixed at the limiting step (22) through the elastic card (52). The rectangular insulating plate (5) has an operation hole (53) in the middle. The operation flip button (41) at the front of the control switch (4) extends out from the operation hole (53). The top of the operation hole (53) is hinged with a flip cover (6). The flip cover (6) covers the outside of the operation flip button (41).

2. The meter box with an anti-electric shock protection structure for a control switch according to claim 1, characterized in that: The transparent front cover (2) is hinged to the rear housing (1) on the left side. The rear housing (1) has a forward-protruding annular locking block (11) on the front right side. The transparent front cover (2) has a groove (23) with a lock hole on the right side corresponding to the position of the annular locking block (11). The annular part at the front end of the annular locking block (11) extends out from the lock hole of the groove (23) and is locked by a padlock. A small flip cover (7) is hinged in the groove (23).

3. The meter box with an anti-electric shock protection structure for a control switch according to claim 2, characterized in that: There are two annular locking blocks (11), located in the upper and lower parts of the rear housing (1) respectively, and the groove (23) and small flip cover (7) are two of the same size.

4. The meter box with an anti-electric shock protection structure for a control switch according to claim 2, characterized in that: The upper, right and lower sides of the front side of the rear housing (1) are provided with slots (12), and the upper, right and lower sides of the rear side of the transparent front cover (2) are provided with strips (24). When the transparent front cover (2) is rotated and closed on the rear housing (1), the strips (24) are inserted into the slots (12) for a limited position.

5. The meter box with an anti-electric shock protection structure for a control switch according to claim 1, characterized in that: The top of the rear housing (1) is connected to a rain cover (8) by screws, and the front of the rain cover (8) extends forward to the upper front side of the transparent front cover (2).