Waterproof button mechanism of electric energy meter and electric energy meter

Abstract

The utility model discloses a waterproof button mechanism of an electric energy meter and the electric energy meter. According to the technical scheme, the electric meter comprises an electric meter shell and a button arranged in the electric meter shell, the button is used for pressing a light touch switch on a PCB in the electric meter shell, the electric meter further comprises a button seat integrally formed on the electric meter shell, the button seat is provided with an upper cavity and a lower cavity, the upper cavity and the lower cavity are communicated through a through hole, and the button seat is provided with a through hole. The button is installed in the upper cavity, a sealing piece is arranged on the lower cavity, and the sealing piece comprises a sealing sleeve arranged on the lower cavity in a sleeving mode, an arc-shaped convex face integrally formed at the bottom of the sealing sleeve and a pressing rod integrally formed in the center of the arc-shaped convex face. The upper end of the pressing rod penetrates through the through hole to be connected to the button, and the lower end of the pressing rod is used for pressing a light touch switch on the PCB.

Description

Technical Field

[0001] The utility model belongs to the field of electric power meters, and in particular relates to an electric energy meter. Background Art

[0002] An electric energy meter is an instrument used to measure electric energy. It is also called an electric meter, a fire meter, or a kilowatt-hour meter. It refers to an instrument that measures various electrical quantities. The structure of an electric energy meter includes: a meter housing and a button provided in the meter housing. The button is used to press the touch switch on the PCB board in the meter housing. Traditionally, a spring is used to reset the button after it is pressed, and a sealing ring is usually required to waterproof the button. The structure is relatively complex and difficult to assemble. Utility Model Content

[0003] The technical problem to be solved by the utility model is to provide a waterproof button mechanism of an electric energy meter and the electric energy meter.

[0004] To solve the above problems, the technical solution adopted by the utility model includes: an electric meter housing and a button arranged in the electric meter housing, the button is used to press the touch switch on the PCB board in the electric meter housing, and is characterized in that: it also includes a button seat integrally formed on the electric meter housing, the button seat is provided with an upper cavity and a lower cavity, the upper cavity and the lower cavity are connected by a through hole, the button is installed in the upper cavity, and a sealing member is provided on the lower cavity, the sealing member includes a sealing sleeve sleeved on the lower cavity, an arc-shaped convex surface integrally formed at the bottom of the sealing sleeve, and a pressing rod integrally formed at the center of the arc-shaped convex surface, the upper end of the pressing rod passes through the through hole and is connected to the button, and the lower end is used to press the touch switch on the PCB board.

[0005] The waterproof button mechanism of the electric energy meter is characterized in that a guide rod adapted to the through hole is provided at the lower end of the button, a hook connected to the through hole is provided at the bottom of the guide rod, and a mounting hole for accommodating the pressing rod is provided inside the guide rod.

[0006] The waterproof button mechanism of the electric energy meter is characterized in that guide grooves are provided on both sides of the guide rod, and guide columns cooperating with the guide grooves are provided in the upper cavity.

[0007] The waterproof button mechanism of the electric energy meter is characterized in that: the button is provided with a lead seal hole, and the meter housing is provided with a lead seal threading guide groove which smoothly transitions with the lead seal hole.

[0008] The waterproof button mechanism of the electric energy meter is characterized in that an arc-shaped concave surface is provided on the button surface.

[0009] The waterproof button mechanism of the electric energy meter is characterized in that the guide rod is installed in the installation hole of the guide rod in an interference fit manner.

[0010] The waterproof button mechanism of the electric energy meter is characterized in that a trigger head is integrally formed at the lower end of the pressing rod.

[0011] The waterproof button mechanism of the electric energy meter and the electric energy meter of the utility model have the following advantages: a sealing member is arranged under the button, the sealing member can be used to seal the button and also to reset the button after being pressed, thus simplifying the structure and installation process of the product. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] The utility model is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0013] Figure 1 It is a structural schematic diagram of the waterproof button mechanism of the utility model electric energy meter;

[0014] Figure 2 It is a cross-sectional view of the waterproof button mechanism of the electric energy meter of the utility model;

[0015] Figure 3 This is a schematic diagram of the front structure of the button of the utility model;

[0016] Figure 4 This is a schematic diagram of the back structure of the button of the utility model;

[0017] Figure 5 It is a structural schematic diagram of the sealing member of the utility model;

[0018] Figure 6 It is a structural schematic diagram of the button seat of the utility model;

[0019] Figure 7 It is a structural schematic diagram of the utility model electric energy meter. DETAILED DESCRIPTION Embodiment 1:

[0020] like Figures 1 to 6 As shown, the waterproof button mechanism of the electric energy meter of the utility model comprises a button 2 arranged in the electric meter housing 1 and a button seat 5 integrally formed on the electric meter housing 1, wherein the button 2 is used to press the touch switch 4 on the PCB board 3 in the electric meter housing 1. The button seat 5 is provided with an upper cavity 6 and a lower cavity 7, and the upper cavity 6 and the lower cavity 7 are connected through a through hole 8. The button 2 is installed in the upper cavity 6, and a sealing member 9 is provided on the lower cavity 7, wherein the sealing member 9 comprises a sealing sleeve 10 sleeved on the lower cavity 7, an arc-shaped convex surface 11 integrally formed at the bottom of the sealing sleeve 10, and a pressing rod 12 integrally formed at the center of the arc-shaped convex surface 11. The upper end of the pressing rod 12 passes through the through hole 8 and is connected to the button 2, and the lower end of the pressing rod 12 is used to press the touch switch 4 on the PCB board 3.

[0021] Preferably, a guide rod 13 adapted to the through hole 8 is provided at the lower end of the button 2, a hook 14 hooked to the through hole 8 is provided at the bottom of the guide rod 13, and a mounting hole 15 for accommodating the pressing rod 12 is provided in the guide rod 13. This is to achieve the guiding function when the button 2 is pressed and the positioning function after resetting, so as to ensure that the button 2 can be accurately aligned with the touch switch 4 on the PCB board 3.

[0022] Preferably, guide grooves 16 are provided on both sides of the guide rod 13, and guide posts 17 cooperating with the guide grooves 16 are provided in the upper cavity 6, so that the button 2 can move up and down more stably and align with the touch switch 4 on the PCB board 3 more accurately.

[0023] Preferably, the button 2 is provided with a lead seal hole 18, and the meter housing 1 is provided with a lead seal threading guide groove 19 which smoothly transitions with the lead seal hole 18, so as to achieve the lead seal of the button 2, thereby preventing unauthorized personnel from operating the button 2.

[0024] Preferably, the button 2 is provided with an arc-shaped concave surface 20 to prevent slipping and improve the pressing feel.

[0025] Preferably, the guide rod 13 is installed in the installation hole 15 of the guide rod 13 in an interference fit manner to improve the stability of the connection between the two.

[0026] Preferably, a trigger head 21 is integrally formed at the lower end of the pressing rod 12 , and the trigger head 21 is thicker than the pressing rod 12 , so that the touch switch 4 on the PCB board 3 can be pressed more stably. Embodiment 2:

[0027] like Figure 7 As shown, the electric energy meter of the utility model comprises an electric energy meter housing 1, and the electric energy meter housing 1 is provided with the waterproof button mechanism a of the electric energy meter described in Example 1.

[0028] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention are included in the protection scope of the present invention.

Claims

1. A waterproof button mechanism for an electric energy meter, comprising a button (2) arranged in an electric energy meter housing (1), the button (2) being used to press a touch switch (4) on a PCB board (3) in the electric energy meter housing (1), characterized in that: The electric meter also comprises a button seat (5) integrally formed on the electric meter housing (1), the button seat (5) being provided with an upper cavity (6) and a lower cavity (7), the upper cavity (6) and the lower cavity (7) being connected via a through hole (8), the button (2) being installed in the upper cavity (6), the lower cavity (7) being provided with a sealing member (9), the sealing member (9) comprising a sealing sleeve (10) sleeved on the lower cavity (7), an arc-shaped convex surface (11) integrally formed on the bottom of the sealing sleeve (10), and a pressing rod (12) integrally formed at the center of the arc-shaped convex surface (11), the upper end of the pressing rod (12) passing through the through hole (8) to be connected to the button (2), and the lower end being used to press the touch switch (4) on the PCB board (3).

2. The waterproof button mechanism of the electric energy meter according to claim 1, characterized in that: A guide rod (13) adapted to the through hole (8) is provided at the lower end of the button (2); a hook (14) hooked to the through hole (8) is provided at the bottom of the guide rod (13); and a mounting hole (15) for accommodating the pressing rod (12) is provided in the guide rod (13).

3. The waterproof button mechanism of the electric energy meter according to claim 2, characterized in that: Guide grooves (16) are provided on both sides of the guide rod (13), and guide columns (17) cooperating with the guide grooves (16) are provided in the upper cavity (6).

4. The waterproof button mechanism of the electric energy meter according to claim 1, characterized in that: The button (2) is provided with a lead seal hole (18), and the meter housing (1) is provided with a lead seal threading guide groove (19) which smoothly transitions with the lead seal hole (18).

5. The waterproof button mechanism of the electric energy meter according to claim 1, characterized in that: The button (2) is provided with an arc-shaped concave surface (20) on its surface.

6. The waterproof button mechanism of the electric energy meter according to claim 2, characterized in that: The guide rod (13) is installed in the installation hole (15) of the guide rod (13) in an interference fit manner.

7. The waterproof button mechanism of the electric energy meter according to claim 2, characterized in that: A trigger head (21) is integrally formed at the lower end of the pressing rod (12).

8. An electric energy meter, comprising an electric energy meter housing (1), characterized in that: The electric energy meter housing (1) is provided with a waterproof button mechanism (a) of the electric energy meter according to any one of claims 1 to 7.

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