Quickly dismountable electric energy meter

Abstract

This utility model discloses a quick-detachable electricity meter, belonging to the field of electricity meter technology. It includes a rear casing and a main body. The main body is fixed to the inner rear wall of the rear casing. A front cover is rotatably connected to the front of the rear casing. An opening and closing mechanism is provided between the rear casing and the front cover. This mechanism includes a positioning arm, a return spring, and a positioning groove. The positioning arm is slidably connected inside the rear casing. Through this opening and closing mechanism, the positioning arm overcomes the resistance of the return spring, eliminating the restriction on the flipping of the front cover. The front cover flips on the rotating seat of the rear casing via a rotating bar, opening the maintenance access port. This flipping opening and closing mechanism allows for quick disassembly of the electricity meter casing, providing convenient conditions for the maintenance and replacement of the meter's internal modules.

Description

Technical Field

[0001] This utility model relates to the field of electricity meter technology, specifically to a quick-detachable electricity meter. Background Technology

[0002] An electricity meter is an instrument used to measure electrical energy. It is mainly used to measure the electrical energy consumed in a circuit over a period of time. It is a core device in the power system for monitoring the use of electrical energy. It is widely used in various electricity consumption scenarios such as homes, industries, and commerce. It is a basic tool for electricity metering, billing, and energy efficiency management. In the construction of smart grids, as a core metering device, the installation and maintenance efficiency of electricity meters directly affects the operation and maintenance costs of the power system.

[0003] Traditional electricity meters generally use screws to fix the casing structure. When inspecting and locking the casing, tools are needed to install and remove each screw one by one. The maintenance of a single meter is time-consuming. In the case of centralized distribution cabinet, the cost of batch maintenance increases significantly. In addition, the wires running through the casing of electricity meters are not very secure. Once they are pulled by external force, the terminals can easily become loose. Therefore, there is a need for a quick-release electricity meter to solve the problems existing in the current technology. Utility Model Content

[0004] The purpose of this invention is to provide a quick-release and detachable energy meter to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a quick-release electricity meter, comprising a rear casing and a main body, wherein the main body is fixed to the inner rear wall of the rear casing, and a front cover is rotatably connected to the front of the rear casing. An opening and closing mechanism is provided between the rear casing and the front cover, the mechanism comprising a positioning arm, a return spring, and a positioning groove. The positioning arm is slidably connected inside the rear casing, the return spring is located below the positioning arm, the positioning groove is formed on the inner side wall of the front cover, and a compression positioning plate is fixed on the inner wall of the front cover.

[0006] Preferably, the front end face of the rear shell of the energy meter is provided with a lifting slide groove, an operating handle is slidably connected inside the lifting slide groove, the positioning pressure arm is sleeved and fixed on the operating handle, and the reset spring is sleeved on the part of the operating handle that extends into the lifting slide groove.

[0007] Preferably, the upper end of the return spring is fixed to the lower end face of the positioning arm, the lower end of the return spring is fixed to the inner bottom wall of the lifting slide, and an anti-slip pad is fixed to the upper part of the positioning arm.

[0008] Preferably, a rotating base is fixed to the bottom of the rear shell of the electricity meter, and a rotating strip is fixed to the bottom of the front cover of the electricity meter, the rotating strip being rotatably connected to the rotating base.

[0009] Preferably, the inner bottom wall of the rear casing of the electricity meter has an outlet hole for wires to pass through, and the main body of the electricity meter is provided with a terminal block.

[0010] Preferably, a rubber pad is fixed to one end of the compression positioning plate away from the front cover of the electricity meter, and the compression positioning plate is positioned above the outlet hole.

[0011] This utility model provides a quick-detachable energy meter, which has the following advantages compared with the prior art:

[0012] Beneficial effects:

[0013] By using the opening and closing mechanism, the positioning arm that overcomes the clamping force of the reset spring can eliminate the restriction on the flipping of the front cover of the electricity meter. The front cover of the electricity meter flips on the rotating seat of the rear shell of the electricity meter via the rotating bar and opens the maintenance operation port. Thus, the flipping opening and closing method of the front cover and the rear shell of the electricity meter enables the quick disassembly of the electricity meter housing, thereby providing convenient conditions for the maintenance and replacement of the internal modules of the electricity meter.

[0014] After the compression positioning plate is flipped over, it will use a rubber pad to hold the wire that is inserted into the outlet hole, thus limiting the wire and preventing it from becoming loose from the terminal block when pulled. Attached Figure Description

[0015] Figure 1 This is a perspective view of the overall structure of this utility model;

[0016] Figure 2 This is a perspective view of the rear casing structure of the electricity meter of this utility model.

[0017] Figure 3 This is a perspective view of the operating handle structure of this utility model;

[0018] Figure 4 For the present utility model Figure 1 Enlarged view of point A in the middle.

[0019] In the diagram: 1. Rear cover of the electricity meter; 2. Front cover of the electricity meter; 3. Opening and closing mechanism; 4. Positioning pressure arm; 5. Anti-slip pad; 6. Operating handle; 7. Return spring; 8. Positioning groove; 9. Lifting slide; 10. Rotating seat; 11. Rotating bar; 12. Pressing positioning plate; 13. Rubber pad; 14. Main body of the electricity meter; 15. Terminal block; 16. Outlet hole. Detailed Implementation

[0020] 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.

[0021] Please see Figure 1-4 This utility model provides a quick-release electricity meter, including a rear housing 1 and a main body 14. The main body 14 is fixed to the inner rear wall of the rear housing 1. A front cover 2 is rotatably connected to the front of the rear housing 1. An opening and closing mechanism 3 is provided between the rear housing 1 and the front cover 2. The opening and closing mechanism 3 includes a positioning arm 4, a return spring 7, and a positioning groove 8. The positioning arm 4 is slidably connected inside the rear housing 1. The return spring 7 is located below the positioning arm 4. The positioning groove 8 is located at the front of the meter. On the inner side wall of the cover 2, a pressing positioning plate 12 is fixed on the inner wall of the front cover 2 of the energy meter. A rotating seat 10 is fixed on the bottom of the rear shell 1 of the energy meter. A rotating strip 11 is fixed on the bottom of the front cover 2 of the energy meter. The rotating strip 11 is rotatably connected to the rotating seat 10. The front cover 2 of the energy meter is hinged to the rotating seat 10 through the rotating strip 11 so as to achieve flipping. This can expose or close the inside of the energy meter, which is convenient for maintenance and protection. The positioning pressure arm 4 is embedded in the positioning groove 8 of the front cover of the energy meter. The spring force of the return spring 7 provides a continuous locking force to prevent the front cover from opening by itself.

[0022] Further as Figure 1 , Figure 2 and Figure 3 As shown, it is worth noting that the front end of the rear cover 1 of the electricity meter is provided with a lifting slide groove 9. An operating handle 6 is slidably connected inside the lifting slide groove 9. A positioning pressure arm 4 is sleeved and fixed on the operating handle 6. A return spring 7 is sleeved on the part of the operating handle 6 that extends into the lifting slide groove 9. The upper end of the return spring 7 is fixed to the lower end face of the positioning pressure arm 4, and the lower end of the return spring 7 is fixed to the inner bottom wall where the lifting slide groove 9 is located. An anti-slip pad 5 is fixed on the upper part of the positioning pressure arm 4, which presses the positioning plate 12 and the rubber pad 13. When the front cover is closed, the rubber pad 13 presses the wire at the outlet hole 16, applies friction, and can withstand axial tension to prevent the wiring from loosening.

[0023] Further as Figure 4 As shown, it is worth noting that the inner bottom wall of the rear casing 1 of the electricity meter has an outlet hole 16 for wires to pass through, and the main body 14 of the electricity meter is provided with a terminal block 15.

[0024] Further as Figure 1As shown, it is worth noting that a rubber pad 13 is fixed to one end of the compression positioning plate 12 away from the front cover 2 of the electricity meter. The compression positioning plate 12 is set above the outlet hole 16 and forms a stepped sealing structure with the contact surface of the rear shell. The rubber pad 13, together with the rubber pad 13, improves the dustproof and waterproof performance.

[0025] The solution has the following working process: Before use, the wire of the main body 14 of the electricity meter is passed through the outlet hole 16 at the bottom of the rear shell 1 of the electricity meter. Then the wire is connected to the terminal block 15 of the main body 14 of the electricity meter. Finally, the front cover 2 of the electricity meter flips and closes the front port of the rear shell 1 of the electricity meter, so that the main body 14 of the electricity meter and the terminal block 15 are both built into the rear shell 1 of the electricity meter.

[0026] During maintenance, pressing down the operating handle 6 causes the positioning arm 4 to slide down along the lifting slide 9 and squeeze the return spring 7. This overcomes the tension of the return spring 7, allowing the positioning arm 4 to remove the restriction on the flipping of the front cover 2 of the energy meter. The front cover 2 of the energy meter flips on the rotating seat 10 of the rear shell 1 of the energy meter via the rotating bar 11 and opens the maintenance operation port. Thus, the flipping opening and closing of the front cover 2 and the rear shell 1 of the energy meter enables the quick disassembly of the energy meter housing, thereby providing convenient conditions for the maintenance and replacement of the built-in modules of the energy meter.

[0027] When the front cover 2 and the rear shell 1 of the electricity meter are closed, the positioning arm 4 is pressed against the top wall of the positioning groove 8 of the front cover 2 by the return force of the return spring 7, so as to realize the closing and locking of the front cover 2 and the rear shell 1 of the electricity meter. During the closing and flipping process of the front cover 2, after the squeezing positioning plate 12 is flipped, the rubber pad 13 will press against the wire passing through the outlet hole 16, which can limit the wire to prevent it from becoming loose from the terminal block 15 when pulled.

[0028] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Although embodiments of this utility model have been shown and described, this does not limit the patent scope of this utility model. Any equivalent structural or procedural transformations made based on the description and drawings of this utility model, or direct or indirect applications in other related technical fields, are similarly included within the patent protection scope of this utility model. Regarding the embodiments of this utility model, those skilled in the art will understand that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principles and spirit of this utility model. The scope of this utility model is defined by the appended claims and their equivalents.

Claims

1. A quick detachable electric energy meter, comprising an electric energy meter back shell (1) and an electric energy meter main body (14), the electric energy meter main body (14) is fixed on the back inner wall of the electric energy meter back shell (1), characterized in that: The front cover (2) of the power meter is rotatably connected to the front of the rear shell (1) of the power meter. An opening and closing mechanism (3) is provided between the rear shell (1) and the front cover (2) of the power meter. The opening and closing mechanism (3) includes a positioning arm (4), a return spring (7) and a positioning groove (8). The positioning arm (4) is slidably connected inside the rear shell (1) of the power meter. The return spring (7) is located below the positioning arm (4). The positioning groove (8) is opened on the inner side wall of the front cover (2) of the power meter. A pressing positioning plate (12) is fixed on the inner wall of the front cover (2) of the power meter.

2. The quick-detachable energy meter according to claim 1, characterized in that: The front end face of the rear shell (1) of the electricity meter is provided with a lifting slide groove (9), and an operating handle (6) is slidably connected inside the lifting slide groove (9). The positioning pressure arm (4) is sleeved and fixed on the operating handle (6), and the reset spring (7) is sleeved on the part of the operating handle (6) that extends into the lifting slide groove (9).

3. A quick-detachable energy meter according to claim 2, characterized in that: The upper end of the return spring (7) is fixed to the lower end face of the positioning arm (4), the lower end of the return spring (7) is fixed to the inner bottom wall where the lifting slide (9) is located, and the upper part of the positioning arm (4) is fixed with an anti-slip pad (5).

4. A quick-detachable energy meter according to claim 3, characterized in that: A rotating seat (10) is fixed to the bottom of the rear shell (1) of the electricity meter, and a rotating bar (11) is fixed to the bottom of the front cover (2) of the electricity meter. The rotating bar (11) is rotatably connected to the rotating seat (10).

5. A quick-detachable energy meter according to claim 4, characterized in that: The inner bottom wall of the rear shell (1) of the electricity meter is provided with a wire outlet hole (16) for wires to pass through, and a terminal block (15) is provided on the main body (14) of the electricity meter.

6. A quick-detachable energy meter according to claim 1, characterized in that: A rubber pad (13) is fixed to one end of the compression positioning plate (12) away from the front cover (2) of the electricity meter, and the compression positioning plate (12) is positioned above the outlet hole (16).

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