CN217740934U

CN217740934U - A earth leakage protection plug for sewage elevator pump

Info

Publication number: CN217740934U
Application number: CN202221785872.XU
Authority: CN
Inventors: 杨良斌; 陆艳容
Original assignee: Ningbo Liangliang Technology Co ltd
Current assignee: Ningbo Liangliang Technology Co ltd
Priority date: 2022-07-12
Filing date: 2022-07-12
Publication date: 2022-11-04
Anticipated expiration: 2032-07-12

Abstract

The utility model discloses an electric leakage protection plug for a sewage lifting pump, which comprises a shell (1), two power pins (2), a grounding pin (3), a reset button (5) and a circuit board (6); the inner ends of the two power supply pins (2) and the grounding pin (3) are positioned in the shell and are electrically connected with the circuit board (6), the outer ends of the two power supply pins and the grounding pin extend out of the shell (1), and the reset button (5) is connected with the circuit board and extends out of the shell (1); it still includes manual start button (4), manual start button (4) are connected with circuit board (6) electricity, start then sewage elevator pump work of manual start button (4). The leakage protection plug can be used for a sewage lifting pump for testing whether the machine can work normally or not before installation.

Description

A earth leakage protection plug for sewage elevator pump

Technical Field

The utility model relates to a blowdown drainage technical field specifically says a leakage protection plug for sewage elevator pump.

Background

The sewage lifting pump is a pump product integrating a pump, a motor, a shell and a control system, can be used for lifting sewage in families, villas and small and medium-sized commercial places, and can work on the ground or under liquid.

Each sewage lifting pump is provided with an electric leakage protection plug, and the electric leakage protection plug automatically trips under the action of the electric leakage protection plug when the machine leaks electricity, so that the safety of people is protected. Because the sewage lift pump has the start-up water level, namely can only start up after reaching certain water level. Therefore, the problem that whether the sewage lifting pump normally operates cannot be tested before the sewage lifting pump is installed, and the sewage lifting pump can be tested only after the sewage lifting pump is installed and reaches a certain water level. In case of a failure to start the machine after installation, it can only be removed again for replacement or repair, thereby increasing the workload.

Disclosure of Invention

The to-be-solved technical problem of the utility model is to provide a can test whether the electric leakage protection plug that is used for sewage elevator pump of machine can normally work before the installation.

The technical scheme of the utility model is that a leakage protection plug for a sewage lift pump with the following structure is provided, which comprises a shell, two power pins, a grounding pin, a reset button and a circuit board; the inner ends of the two power pins and the grounding pin are positioned in the shell and are electrically connected with the circuit board, the outer ends of the two power pins and the grounding pin extend out of the shell, and the reset button is connected with the circuit board and extends out of the shell; the method is characterized in that: the sewage lifting pump is characterized by further comprising a manual starting button, wherein the manual starting button is electrically connected with the circuit board, and the manual starting button is started to work.

As the improvement, the utility model discloses it includes four terminals, is first terminal, second terminal, third terminal and fourth terminal respectively, first terminal is connected with the first live wire of connecting wire, and the second terminal is connected with the zero line of connecting wire, the third terminal is connected with the ground wire of connecting wire, the fourth terminal is connected with the second live wire of connecting wire, and the wiring is convenient, can with participate in the wiring, can go the wiring of circuit board again.

As an improvement, the ground wire of the connecting wire is connected with the grounding pin, the first binding post is connected with one power pin through a third live wire, and the second binding post is connected with the other power pin through a zero wire, so that the wiring is convenient.

As an improvement, the shell comprises a first shell, a second shell and a third shell, the first shell and the second shell are detachably connected through buckles at the left side and the right side, and the third shell compresses the first shell and is locked with the second shell through bolts, so that the three shells are fixed, and the disassembly and wiring are convenient.

The connecting line penetrates out of through holes formed in the tail portions of the second shell and the third shell.

After the structure more than adopting, the utility model has the advantages of it is following: because the manual starting button is additionally arranged and is electrically connected with the circuit board, the manual starting button is started, namely the manual starting button is pressed down, so that the sewage lifting pump is electrified and works, whether the machine can work normally or not can be tested before installation, the installation efficiency can be increased, and the extra workload of assembly and disassembly is avoided.

Drawings

Fig. 1 is a perspective view of the earth leakage protection plug for a sewage lift pump of the present invention;

fig. 2 is another perspective view of the earth leakage protection plug for a sewage lift pump of the present invention;

fig. 3 is a perspective view of the leakage protection plug hiding third housing for the sewage lift pump of the present invention.

Fig. 4 is a perspective view of the utility model of a first casing and a third casing are hidden to the earth leakage protection plug for sewage lift pump.

Shown in the figure:

1. housing, 1.1, first housing, 1.2, second housing, 1.3, third housing

2. Power pin, 3, grounding pin, 4, start button, 5, reset button, 6, circuit board,

7.1 a first terminal, 7.2 a second terminal, 7.3 a third terminal, 7.4 a fourth terminal,

8. the device comprises a first live wire, 9, a zero wire, 10, a ground wire, 11, a second live wire, 12, a third live wire, 13 and a connecting wire.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings.

As shown in fig. 1-4, the leakage protection plug for a sewage lift pump of the present invention comprises a housing 1, two power pins 2, a ground pin 3, a reset button 5 and a circuit board 6; the inner ends of the two power supply pins 2 and the grounding pin 3 are positioned in the shell and are electrically connected with the circuit board 6, the outer ends of the two power supply pins and the grounding pin extend out of the shell 1, and the reset button 5 is connected with the circuit board and extends out of the shell 1.

The utility model discloses a leakage protection plug for sewage elevator pump, it still includes manual start button 4, manual start button 4 is connected with 6 electricity on the circuit board, manual start button 4 starts then sewage elevator pump work. The manual starting button 4 is cylindrical, and the head of the manual starting button extends out of the shell 1 and is provided with a protective sleeve.

The utility model discloses a leakage protection plug for sewage elevator pump, it includes four terminals, is first terminal 7.1, second terminal 7.2, third terminal 7.3 and fourth terminal 7.4 respectively, has connecting wire 13 at the connection of the afterbody of plug, is equipped with four electric wires in the connecting wire 13, including first live wire 8, zero line 9, ground wire 10, second live wire 11. The first binding post 7.1 is connected with a first live wire 8 of the connecting wire 13, the second binding post 7.2 is connected with a zero wire 9 of the connecting wire 13, the third binding post 7.3 is connected with a ground wire 10 of the connecting wire 13, and the fourth binding post 7.4 is connected with a second live wire 11 of the connecting wire 13.

The ground wire 10 of the connecting wire 13 is connected with the grounding pin 3, the first binding post 7.1 is connected with one power pin 2 through a third live wire 12, and the second binding post 7.2 is connected with the other power pin 2 through a zero wire 9.

The shell 1 comprises a first shell 1.1, a second shell 1.2 and a third shell 1.3, wherein the first shell 1.1 and the second shell 1.2 are detachably connected through buckles at the left side and the right side, and the third shell 1.3 compresses the first shell 1.1 and is locked with the second shell 1.2 through bolts, so that the three shells are fixed.

The connecting wire 13 is led out from the through holes formed at the tail parts of the second shell 1.2 and the third shell 1.3.

Claims

1. A leakage protection plug for a sewage lift pump comprises a shell (1), two power pins (2), a grounding pin (3), a reset button (5) and a circuit board (6); the inner ends of the two power supply pins (2) and the grounding pin (3) are positioned in the shell and are electrically connected with the circuit board (6), the outer ends of the two power supply pins and the grounding pin extend out of the shell (1), and the reset button (5) is connected with the circuit board and extends out of the shell (1); the method is characterized in that: it still includes manual start button (4), manual start button (4) are connected with circuit board (6) electricity, manual start button (4) start then sewage elevator pump work.

2. A leakage protection plug for a sewage lifting pump according to claim 1, wherein: it includes four terminals, is first terminal (7.1), second terminal (7.2), third terminal (7.3) and fourth terminal (7.4) respectively, first terminal (7.1) are connected with first live wire (8) of connecting wire, and second terminal (7.2) are connected with zero line (9) of connecting wire, and third terminal (7.3) are connected with ground wire (10) of connecting wire, fourth terminal (7.4) are connected with second live wire (11) of connecting wire.

3. An earth leakage protection plug for a sewage lifting pump according to claim 2, wherein: the ground wire (10) of the connecting wire is connected with the grounding pin (3), the first binding post (7.1) is connected with one power pin (2) through a third live wire (12), and the second binding post (7.2) is connected with the other power pin (2) through a zero wire (9).

4. A leakage protection plug for a sewage lifting pump according to claim 3, wherein: the shell (1) comprises a first shell (1.1), a second shell (1.2) and a third shell (1.3), wherein the first shell (1.1) is detachably connected with the second shell (1.2) through buckles at the left side and the right side, and the third shell (1.3) compresses the first shell (1.1) and is locked with the second shell (1.2) through bolts, so that the three shells are fixed.

5. A leakage protection plug for a sewage lifting pump according to claim 4, wherein: the connecting line penetrates out of through holes formed in the tail portions of the second shell (1.2) and the third shell (1.3).