CN219760128U

CN219760128U - Anti-reverse plug type electric connector

Info

Publication number: CN219760128U
Application number: CN202223561936.0U
Authority: CN
Inventors: 刘丽
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-12-30
Filing date: 2022-12-30
Publication date: 2023-09-26
Anticipated expiration: 2032-12-30

Abstract

The utility model discloses a plug-in type electric connector capable of preventing reverse plug-in, which comprises a socket and a plug, wherein a pair of conductor pins suitable for plug-in are arranged in the socket, a pair of conductor female pins suitable for plug-in are arranged in the plug, the conductor pins are of cylindrical structures, insulation heads are arranged at the ends of the conductor male pins, the ends of the conductor female pins are of cylindrical structures and are suitable for plug-in connection of the conductor male pins of the cylindrical structures, elastic conductors are arranged on the inner walls of the conductor female pins, the elastic conductors are pressed on the outer walls of the conductor male pins when the conductor male pins are plugged in connection with the conductor female pins, and an insulation front end is further arranged at the front end of the plug and used for blocking the ends of the conductor female pins.

Description

Anti-reverse plug type electric connector

Technical field:

the utility model belongs to the technical field of plug-in connectors, and particularly relates to a plug-in type electric connector capable of preventing reverse plug-in.

The background technology is as follows:

the plug-in connector is widely applied to various electrical appliances and is generally composed of a socket and a plug, and the existing plug-in connector has the following defects: the end parts of the conductor parts of the socket and the plug are usually in exposed structures, as recorded by a CN201721920368.5 positive and negative plug electric connector, the conductor parts are easy to be damaged in the long-term use process, and certain potential safety hazards exist; the lack of specific identification between the socket and the plug, as described in CN201320208125.4, is a plug-and-socket type electrical connector for a massager, and there is a risk of reverse plug during use, so there is a certain potential safety hazard.

The information disclosed in this background section is only for enhancement of understanding of the general background of the utility model and should not be taken as an acknowledgement or any form of suggestion that this information forms the prior art already known to a person of ordinary skill in the art.

The utility model comprises the following steps:

the present utility model is directed to a plug-in electrical connector with anti-reverse plug-in function, which overcomes the above-mentioned drawbacks of the prior art.

In order to achieve the above purpose, the utility model provides a plug-in type electric connector capable of preventing reverse plug-in, which comprises a socket and a plug, wherein a pair of parallel conductor pins suitable for plug-in are arranged in the socket, a pair of parallel conductor female pins suitable for plug-in are arranged in the plug, the conductor pins are of cylindrical structure, the end parts of the conductor pins are provided with insulating heads, the end parts of the conductor female pins are of cylindrical structure and are suitable for plug-in connection of the conductor pins of cylindrical structure, the inner wall of the conductor female pins is provided with an elastic conductor, the elastic conductor is pressed on the outer wall of the conductor male pins when the conductor male pins are plugged in connection with the conductor female pins, the front end of the plug is also provided with an insulating front end, and the insulating front end is used for blocking the end parts of the conductor female pins.

Preferably, the plug is of a flat pentagonal prism structure, a group of parallel cylindrical holes are formed in the plug, the conductor female pins are located in the cylindrical holes, the socket is of a hollow cavity and of a pentagonal prism structure, the conductor male pins are located in the pentagonal prism structure, and the plug can be inserted into the socket.

Preferably, the conductor pin extends out of the rear end of the socket, and the conductor pin extends to the rear end of the plug.

Preferably, the inner wall of the socket is provided with a limit bump, and the outer wall of the plug is provided with a limit clamping groove matched with the limit bump.

Preferably, the outer wall of the plug is provided with a limiting step.

Preferably, the front end of the socket is further provided with a circular fixing piece in an outward extending mode, and the circular fixing piece is further provided with a fixing hole.

Compared with the prior art, one aspect of the utility model has the following beneficial effects:

(1) The front end of the plug is provided with the insulation front end, and the end part of the conductor male pin is provided with the insulation head, so that the conductor female pin and the conductor male pin can be prevented from being directly exposed, the conductor female pin and the conductor male pin can be prevented from being damaged, and the potential safety hazard can be reduced;

(2) The outside of the plug and the inside of the socket are in specific shapes, and the socket and the plug are prevented from being reversely inserted by combining the cooperation of the limiting protruding blocks and the limiting clamping grooves, so that potential safety hazards are further reduced;

(3) The elastic conductor is arranged on the inner wall of the conductor female pin, and is pressed on the conductor male pin during plugging, so that the conductive effect is prevented from being influenced due to loosening of plugging.

Description of the drawings:

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

FIG. 2 is a schematic view of a plug according to the present utility model;

FIG. 3 is a cross-sectional view of a receptacle of the present utility model;

FIG. 4 is a cross-sectional view of a plug of the present utility model;

the reference numerals are: 1-socket, 11-conductor male pin, 12-insulating head, 13-spacing lug, 14-circular stationary blade, 15-fixed orifices, 2-plug, 21-conductor female pin, 22-elastic conductor, 23-insulating front end, 24-cylinder hole, 25-spacing draw-in groove, 26-spacing bench.

The specific embodiment is as follows:

the following detailed description of specific embodiments of the utility model is, but it should be understood that the utility model is not limited to specific embodiments.

Throughout the specification and claims, unless explicitly stated otherwise, the term "comprise" or variations thereof such as "comprises" or "comprising", etc. will be understood to include the stated element or component without excluding other elements or components.

As shown in fig. 1-4, an anti-reverse plug-in type electric connector comprises a socket 1 and a plug 2, wherein a pair of parallel conductor pins 11 suitable for plugging are arranged in the socket 1, a pair of parallel conductor female pins 21 suitable for plugging are arranged in the plug 2, the conductor pins 11 are of a cylindrical structure, the end parts of the conductor male pins 11 are provided with insulating heads 12, the end parts of the conductor female pins 21 are of a cylindrical structure, the conductor male pins 11 suitable for plugging of the cylindrical structure are provided with elastic conductors 22, when the conductor male pins 11 are plugged with the conductor female pins 21, the elastic conductors 22 are pressed on the outer walls of the conductor male pins 11, the front ends of the plug 2 are further provided with insulating front ends 23, and the insulating front ends 23 are used for blocking the end parts of the conductor female pins 21.

Preferably, the plug 2 is provided with a flat pentagonal prism structure outside and a group of parallel cylindrical holes 24 inside, the conductor female pin 21 is positioned in the cylindrical holes 24, the socket 1 is provided with a cavity inside and is provided with a pentagonal prism structure, the conductor male pin 11 is positioned inside the pentagonal prism structure, and the plug 2 can be inserted into the socket 1. The specific shape design may reduce the risk of back-plugging.

Preferably, the conductor pin 11 extends out of the rear end of the socket 1, and the conductor pin 21 extends to the rear end of the plug 2. And the conductor part is convenient to be welded and connected with an external power line.

Preferably, the inner wall of the socket 1 is provided with a limit bump 13, and the outer wall of the plug 2 is provided with a limit clamping groove 25 matched with the limit bump. Can play the role of identification, avoid reverse plug between socket 1 and plug 2, improve the security of using.

Preferably, the outer wall of the plug 2 is provided with a limit landing 26. The plug 2 can be limited in the plugging position.

Preferably, the front end of the socket 1 is further provided with a circular fixing piece 14 outwards, and the circular fixing piece 14 is further provided with a fixing hole 15. It is more convenient to fix the socket 1.

The working principle of the utility model is as follows:

the plug 2 is plugged into the socket 1, wherein the elastic conductor 22 presses against the outer wall of the conductor pin 11 to achieve electrical conduction. Wherein the plug 2 and the socket 1 are integrally made of insulating plastic parts.

The front end of the plug 2 is provided with the insulation front end 23, and the end part of the conductor male pin 11 is provided with the insulation head 12, so that the direct exposure of the conductor female pin 22 and the conductor male pin 11 can be avoided, and the potential safety hazard is reduced; in addition, the outside of the plug 2 and the inside of the socket 1 adopt specific shapes, and the socket 1 and the plug 2 can be prevented from being reversely inserted by combining the matching of the guide groove 25 and the guide block, so that the potential safety hazard is further reduced.

The foregoing descriptions of specific exemplary embodiments of the present utility model are presented for purposes of illustration and description. It is not intended to limit the utility model to the precise form disclosed, and obviously many modifications and variations are possible in light of the above teaching. The exemplary embodiments were chosen and described in order to explain the specific principles of the utility model and its practical application to thereby enable one skilled in the art to make and utilize the utility model in various exemplary embodiments and with various modifications as are suited to the particular use contemplated. It is intended that the scope of the utility model be defined by the claims and their equivalents.

Claims

1. The utility model provides a plug-in type electric connector of anti-reverse plug, includes socket and plug, be equipped with the public needle of a pair of parallel conductor that is suitable for grafting in the socket, be equipped with the female needle of a pair of parallel conductor that is suitable for grafting in the plug, its characterized in that: the conductor male pin is of a cylindrical structure, an insulating head is arranged at the end of the conductor male pin, the end of the conductor female pin is of a cylindrical structure, the conductor female pin is suitable for plugging of the conductor male pin of the cylindrical structure, an elastic conductor is arranged on the inner wall of the conductor female pin, the elastic conductor is pressed on the outer wall of the conductor male pin when the conductor male pin is plugged with the conductor female pin, an insulating front end is further arranged at the front end of the plug, and the insulating front end is used for blocking the end of the conductor female pin.

2. The anti-reverse plug electrical connector of claim 1, wherein: the plug is flat pentagonal prism structure, is equipped with a pair of parallel cylinder hole in the plug inside, the female needle of conductor is located the cylinder downthehole, the inside cavity that is of socket just is pentagonal prism structure, the male needle of conductor is located pentagonal prism structure inside, the plug can peg graft to the socket inside.

3. The anti-reverse plug electrical connector of claim 1, wherein: the conductor pin extends to the rear end of the socket, and the conductor female pin extends to the rear end of the plug.

4. The anti-reverse plug electrical connector of claim 1, wherein: the socket inner wall is provided with spacing lug, and the plug outer wall is provided with the spacing draw-in groove of its matched with.

5. The anti-reverse plug electrical connector of claim 1, wherein: and a limit landing is arranged on the outer wall of the plug.

6. The anti-reverse plug electrical connector of claim 1, wherein: the front end of the socket is also outwards provided with a circular fixing piece, and the circular fixing piece is also provided with a fixing hole.