CN219979968U

CN219979968U - Waterproof socket

Info

Publication number: CN219979968U
Application number: CN202223311894.5U
Authority: CN
Inventors: 张正丽; 丁召
Original assignee: Guizhou University
Current assignee: Guizhou University
Priority date: 2022-12-09
Filing date: 2022-12-09
Publication date: 2023-11-07
Anticipated expiration: 2032-12-09

Abstract

The utility model discloses a waterproof socket which comprises a cover body, a shell and metal contacts, wherein the cover body is connected with an opening of the shell and seals the shell; the shell is provided with a detection hole, the shielding detector is arranged in the detection hole, and the position of the detection hole enables the shielding detector to be shielded by the plug when the plug is inserted into the jack; the single-pole multi-throw relay is normally open, the contact ends of the single-pole multi-throw relay are respectively connected between the metal contact piece and the corresponding incoming wire, and the control end of the single-pole multi-throw relay is electrically connected with the shielding detector through the power amplifier. The wet mop solves the problem that in the prior art, a wet mop touches a metal contact piece inside a jack and is easy to get an electric shock.

Description

Waterproof socket

Technical Field

The utility model relates to a waterproof socket, and belongs to the technical field of sockets.

Background

The socket is common electrical components, and current socket includes lid, casing and metal contact, the lid is with connecting the uncovered department at the casing and seal the casing, is equipped with the jack on the casing, metal contact sets up in the jack, metal contact is respectively with different inlet wire lug connection. Particularly like a floor plug, the situation of mopping and the like is frequently encountered, and once a wet mop touches a metal contact element in the jack, the current of the incoming wire is conducted to people through the metal contact element, so that the people get an electric shock.

Disclosure of Invention

The utility model aims to solve the technical problems that: a waterproof socket is provided to overcome the shortcomings of the prior art.

The technical scheme of the utility model is as follows: the waterproof socket comprises a cover body, a shell and metal contacts, wherein the cover body is connected with an opening of the shell and seals the shell, the shell is provided with jacks, the metal contacts are arranged in the jacks, and the metal contacts are respectively connected with different incoming wires, and the waterproof socket is characterized by further comprising a shielding detector, a single-pole multi-throw relay and a power amplifier;

the shell is provided with a detection hole, the shielding detector is arranged in the detection hole, and the position of the detection hole enables the shielding detector to be shielded by the plug when the plug is inserted into the jack;

the single-pole multi-throw relay is normally open, the contact ends of the single-pole multi-throw relay are respectively connected between the metal contact piece and the corresponding incoming wire, and the control end of the single-pole multi-throw relay is electrically connected with the shielding detector through the power amplifier.

Further, the transformer and the rectifier are also included;

one end of the transformer is connected with the incoming line, and the other end of the transformer is connected with the rectifier;

the rectifier is electrically connected with the power amplifier, the rectifier is electrically connected with the shielding detector, and the rectifier provides power for the power amplifier and the shielding detector.

Further, the shielding detector may be an ultrasonic detector, an infrared laser detector, and a tact switch.

Further, the single pole multiple throw relay is a time delay relay.

Further, the delay time of the single-pole multi-throw relay is greater than 30s.

Further, the metal contact piece is of a shell-type structure with an opening at one side, which is opposite to the outer part of the shell, and the inner cavity of the metal contact piece is matched with the inserting piece of the plug.

Further, the outer side surface of the metal contact piece, which is positioned at one side of the opening, is provided with a flange, and the upper surface of the shell around the jack of the shell is provided with a concave edge matched with the flange, so that the upper surface of the metal contact piece is flush with the upper surface of the shell, and the metal contact piece is in sealing connection with the shell.

Further, the novel plastic bag also comprises a metal spring plate; the metal spring plate comprises 2 metal spring plates, the 2 metal spring plates are fixedly connected to two opposite inner walls in the inner cavity of the metal contact piece and are mutually symmetrical, the metal spring plates are arc-shaped, and the arc-shaped protruding parts face the wide faces of the inserting pieces of the plug.

Further, the cover body is in sealing connection with the shell.

The beneficial effects of the utility model are as follows: compared with the prior art, the shielding detector detects whether the plug is inserted into the jack, so that the on-off between the metal contact and the inlet wire is controlled through the single-pole multi-throw relay, and the characteristic that the probability of shielding the shielding detector and contacting the metal contact is low by utilizing the mop is utilized, so that the electric shock probability of the metal contact even if the metal contact contacts with a wet mop is greatly reduced.

Drawings

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a front view of the present utility model;

FIG. 3 is a cross-sectional view taken at section line A-A of FIG. 2;

FIG. 4 is a perspective view of the internal structure of the present utility model;

FIG. 5 is a schematic perspective view of a housing according to the present utility model;

FIG. 6 is a front view of a metal contact of the present utility model;

fig. 7 is a cross-sectional view taken at section line B-B of fig. 6.

Detailed Description

In order to better understand the above technical solutions, the following detailed description will refer to the accompanying drawings and specific embodiments.

Implementation example 1: referring to fig. 1 to 7, the present embodiment adopts a waterproof socket, which comprises a cover 2, a housing 1 and a metal contact 4, wherein the cover 2 is connected with an opening of the housing 1 and seals the housing 1, a jack 1-1 is arranged on the housing 1, the metal contact 4 is arranged in the jack 1-1, and the metal contact 4 is respectively connected with different incoming wires 3, and the waterproof socket is characterized by further comprising a shielding detector 5, a single-pole multi-throw relay 6 and a power amplifier 7; the shell 1 is provided with a detection hole 1-3, the shielding detector 5 is arranged in the detection hole 1-3, and the position of the detection hole 1-3 enables the shielding detector 5 to be shielded by the plug when the plug is inserted into the jack 1-1; the single-pole multi-throw relay 6 is normally open, the contact ends of the single-pole multi-throw relay 6 are respectively connected between the metal contact piece 4 and the corresponding incoming wire 3, and the control end of the single-pole multi-throw relay 6 is electrically connected with the shielding detector 5 through the power amplifier 7.

Further, a transformer 8 and a rectifier 9 are also included; one end of the transformer 8 is connected with the incoming line 3, and the other end of the transformer 8 is connected with the rectifier 9; the rectifier 9 is electrically connected with the power amplifier 7, the rectifier 9 is electrically connected with the shielding detector 5, and the rectifier 9 provides power for the power amplifier 7 and the shielding detector 5.

The power of the incoming line 3 is supplied as a power source to the power amplifier 7 and the shielding detector 5 via the transformer 8 and the rectifier 9, thereby avoiding the trouble caused by charging using a lithium battery or the like.

Further, the shielding detector 5 may be an ultrasonic detector, an infrared laser detector, and a tact switch.

Further, the single-pole multi-throw relay 6 is a time delay relay.

When the mop is used, even if the shielding detector 5 and the contact metal contact piece 4 are shielded by the mop, the state holding time is not long by utilizing the characteristic that the mop always moves when mopping the floor, so that the probability of electric shock of the mop is further reduced.

Further, the delay time of the single pole multi-throw relay 6 is more than 30s.

Further, the metal contact 4 is of a shell structure with an opening at one side facing away from the outer part of the shell 1, and the inner cavity of the metal contact 4 is matched with the inserting piece of the plug.

So that water does not enter the housing 1.

Further, the outer side surface of the metal contact 4, which is located at one side of the opening, is provided with a flange 4-1, the upper surface of the shell 1 around the jack 1-1 of the shell 1 is provided with a concave edge 1-2 matched with the flange 4-1, so that the upper surface of the metal contact 4 is flush with the upper surface of the shell 1, and the metal contact 4 is in sealing connection with the shell 1.

Further reducing the probability of water entering the housing 1.

Further, the device also comprises a metal spring plate 10; the metal spring plate 10 comprises 2 metal spring plates 10, wherein the 2 metal spring plates 10 are fixedly connected to two opposite inner walls in the inner cavity of the metal contact 4 and are symmetrical to each other, the metal spring plates 10 are arc-shaped, and the arc-shaped protruding parts face the wide faces of the inserting pieces of the plug.

So that the blades of the plug are in better contact with the metal spring plate 10.

Further, the cover body 2 is in sealing connection with the housing 1.

The foregoing is a further detailed description of the utility model in connection with the preferred embodiments, and it is not intended that the utility model be limited to the specific embodiments described. It will be apparent to those skilled in the art that several simple deductions or substitutions may be made without departing from the spirit of the utility model, and these should be considered to be within the scope of the utility model.

Claims

1. The waterproof socket comprises a cover body (2), a shell (1) and a metal contact (4), wherein the cover body (2) is connected with an opening of the shell (1) and seals the shell (1), a jack (1-1) is arranged on the shell (1), the metal contact (4) is arranged in the jack (1-1), and the metal contact (4) is respectively connected with different incoming wires (3), and the waterproof socket is characterized by further comprising a shielding detector (5), a single-pole multi-throw relay (6) and a power amplifier (7);

the shell (1) is provided with a detection hole (1-3), the shielding detector (5) is arranged in the detection hole (1-3), and the position of the detection hole (1-3) enables the shielding detector (5) to be shielded by the plug when the plug is inserted into the jack (1-1);

the single-pole multi-throw relay (6) is normally open, the contact ends of the single-pole multi-throw relay (6) are respectively connected between the metal contact piece (4) and the corresponding incoming wire (3), and the control end of the single-pole multi-throw relay (6) is electrically connected with the shielding detector (5) through the power amplifier (7); the single-pole multi-throw relay (6) is a time delay relay.

2. The waterproof socket according to claim 1, further comprising a transformer (8) and a rectifier (9);

one end of the transformer (8) is connected with the incoming line (3), and the other end of the transformer (8) is connected with the rectifier (9);

the rectifier (9) is electrically connected with the power amplifier (7), the rectifier (9) is electrically connected with the shielding detector (5), and the rectifier (9) provides power for the power amplifier (7) and the shielding detector (5).

3. The waterproof socket according to claim 1, characterized in that the shielding detector (5) may be an ultrasonic detector, an infrared laser detector and a tact switch.

4. The waterproof socket according to claim 1, characterized in that the delay time of the single pole, multi throw relay (6) is greater than 30s.

5. The waterproof socket according to claim 1, wherein the metal contact (4) is of a shell-type structure with an opening on one side facing away from the outside of the shell (1), and the inner cavity of the metal contact (4) is matched with the insert of the plug.

6. The waterproof socket according to claim 5, wherein the outer side surface of the metal contact (4) located at one side of the opening is provided with a flange (4-1), the upper surface of the shell (1) around the jack (1-1) of the shell (1) is provided with a concave edge (1-2) matched with the flange (4-1), so that the upper surface of the metal contact (4) is flush with the upper surface of the shell (1), and the metal contact (4) is in sealing connection with the shell (1).

7. The waterproof socket according to claim 5, further comprising a metal dome (10);

the metal spring pieces (10) comprise 2 metal spring pieces, the 2 metal spring pieces (10) are fixedly connected to two opposite inner walls in the inner cavity of the metal contact piece (4) and are symmetrical to each other, the metal spring pieces (10) are arc-shaped, and the arc-shaped protruding parts face the wide faces of the inserting pieces of the plug.

8. The waterproof socket according to claim 1, wherein the cover (2) is sealingly connected to the housing (1).