CN210576595U

CN210576595U - Charging plug, charging wire and charger

Info

Publication number: CN210576595U
Application number: CN201922094202.8U
Authority: CN
Inventors: 邓喜坤
Original assignee: Dongguan City Guangye Electronics Co ltd
Current assignee: Dongguan City Guangye Electronics Co ltd
Priority date: 2019-11-28
Filing date: 2019-11-28
Publication date: 2020-05-19
Anticipated expiration: 2029-11-28

Abstract

The utility model relates to a connector technical field specifically discloses a charging plug, charging wire and charger, charging plug is arranged in inserting the female seat of USB, and it includes the hyoplastron, is located the positive first conductive terminal of hyoplastron and being located the second conductive terminal at the hyoplastron back, first conductive terminal be used for with second conductive terminal series connection is in order to form the charging circuit. The utility model provides a charging plug, charging wire and charger can solve the problem that traditional plug can not positive and negative two-way insert in the female seat of tradition.

Description

Charging plug, charging wire and charger

Technical Field

The utility model relates to a connector technical field especially relates to a charging plug, charging wire and charger.

Background

The charger generally includes a charging base for converting ac to dc and a charging wire connected to the charging base.

At present, a plurality of charging seats all use a USB female seat, and terminals such as mobile phones and the like can be charged only by inserting a USB plug of a charging wire into the USB female seat. Referring to fig. 1, according to the standard, the existing USB female socket generally includes a female socket metal shell 101 for grounding, and a grounding elastic sheet 1011 tilting upward is disposed at the bottom of the female socket metal shell 101. The inside of female seat metal casing 101 is equipped with first female seat PIN needle 102, second female seat PIN needle 103, third female seat PIN needle 104 and fourth female seat PIN needle 105. Wherein: the first female PIN 102 is commonly used for providing stable direct current voltage, the second female PIN 103 is commonly used as a negative PIN for data transmission, the third female PIN 104 is commonly used as a positive PIN for data transmission, and the fourth female PIN is commonly used for grounding. Referring to fig. 2, the existing USB plug includes a plug metal housing 201, and a first plug PIN 202 corresponding to the first female PIN 102, a second plug PIN 203 corresponding to the second female PIN 103, a third plug PIN 204 corresponding to the third female PIN 104, and a fourth plug PIN 205 corresponding to the fourth female PIN 105 are sequentially disposed in the plug metal housing 201.

The female seat of present USB has the directionality when pegging graft with the USB plug, only when plug PIN needle and female seat PIN needle are relative, the USB plug just can insert in the female seat of USB, and first female seat PIN needle 102 is connected with first plug PIN needle 202 contact this moment, fourth female seat PIN needle 105 is connected with fourth plug PIN needle 205 contact, and first female seat PIN needle 102, first plug PIN needle 202, the electronic equipment who treats charging, fourth plug PIN needle 205 and fourth female seat PIN needle 105 establish ties in proper order in order to form the return circuit that charges. If the up-down direction of the USB plug does not correspond to the USB female socket, the USB plug and the USB female socket interfere with each other, and therefore the USB plug cannot be inserted into the USB female socket. Therefore, before the USB plug is plugged into the USB female socket, the direction of the USB plug and the direction of the USB female socket need to be observed, and then the USB plug is plugged into the USB female socket in the correct direction.

Therefore, there is a need for an improved charger to solve the problem that the conventional plug cannot be inserted into the conventional female housing in both directions.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a charging plug, charging wire and charger can solve the problem that traditional plug can not positive and negative two-way insert in the female seat of tradition.

To achieve the above object, in one aspect, the present invention provides a charging plug for being inserted into a USB female socket, the charging plug includes a tongue plate, a first conductive terminal located on the front side of the tongue plate, and a second conductive terminal located on the back side of the tongue plate, wherein the first conductive terminal is connected in series with the second conductive terminal to form a charging loop.

Preferably, the USB female socket comprises a female socket metal shell for grounding and a first female socket PIN PIN for supplying power;

when the charging plug is inserted into the USB female socket in the forward direction, the first female socket PIN is electrically connected with the first conductive terminal, and the female socket metal shell is electrically connected with the second conductive terminal;

when the charging plug is reversely inserted into the USB female socket, the first female socket PIN is electrically connected with the second conductive terminal, and the female socket metal shell is electrically connected with the first conductive terminal.

Preferably, the bottom of the female seat metal shell extends upwards to form a grounding elastic sheet;

when the charging plug is inserted into the USB female socket in the forward direction, the grounding elastic sheet is in contact connection with the second conductive terminal;

when the charging plug is reversely inserted into the USB female socket, the grounding elastic sheet is in contact connection with the first conductive terminal.

Preferably, the first and second liquid crystal materials are,

the first conductive terminal and the second conductive terminal are arranged symmetrically with respect to the geometric center of the tongue plate.

Preferably, the first and second liquid crystal materials are,

the horizontal distance between the first conductive terminal and the second conductive terminal is equal to the horizontal distance between the first female seat PIN needle and the grounding elastic sheet.

On the other hand, the utility model provides a charging wire, including any kind of above-mentioned charging plug, still include:

the device plug is used for being plugged with electronic equipment to be charged;

the conducting wire comprises a first wire core and a second wire core, and two ends of the first wire core are respectively and electrically connected with the first conductive terminal and the equipment plug; and two ends of the second wire core are respectively electrically connected with the second conductive terminal and the equipment plug.

Preferably, the device plug comprises a positive terminal and a negative terminal, a circuit board is further arranged between the lead and the device plug, the circuit board is provided with a switching circuit, and the switching circuit is used for enabling the positive terminal to be electrically connected with a first female socket PIN PIN of the female socket of the USB and enabling the negative terminal to be electrically connected with a grounding elastic sheet of the female socket of the USB.

In another aspect, the utility model provides a charger, including any kind of charging wire of the aforesaid, still include the charging seat, the charging seat include the shell and with the female seat of USB that charging plug pegged graft.

The beneficial effects of the utility model reside in that: on one hand, a plug metal shell is not arranged on the periphery of the tongue plate, so that the tongue plate can be inserted into an insertion space of the USB female socket in a forward and reverse direction, and the problem that the traditional plug cannot be inserted into the traditional female socket in the reverse direction due to structural interference is solved; on the other hand, the existing condition that the PIN PINs of the first female socket and the grounding elastic sheet are arranged in the accommodating groove of the USB female socket in a one-to-one central symmetry mode is fully utilized, the first conductive terminal and the second conductive terminal are respectively fixed on the front side and the back side of the tongue plate, the charging plug can be electrically connected with the USB female socket when being inserted into the inserting space with the front side facing upwards and the back side facing upwards only by properly controlling the positions of the first conductive terminal and the second conductive terminal, and the problem that the traditional plug cannot be electrically conducted with the traditional female socket when being inserted in the reverse direction is solved. Therefore, the utility model provides a charging plug can positive and negative two-way insert in the female seat of USB and can realize the function of charging.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without inventive exercise.

Fig. 1 is a schematic structural view of a USB female socket provided by the present invention;

fig. 2 is a schematic structural diagram of a USB plug provided in the background art;

fig. 3 is a schematic structural diagram of a charging plug according to an embodiment;

fig. 4 is a schematic structural diagram of a charging wire provided in the embodiment.

In the figure:

101. a female housing metal shell; 1011. a grounding elastic sheet; 102. a first female PIN; 103. a second female PIN; 104. a third female PIN; 105. a fourth female PIN;

201. a plug metal housing; 202. a first plug PIN; 203. a second plug PIN PIN; 204. a third plug PIN; 205. a fourth plug PIN;

301. a tongue plate; 302. a first conductive terminal; 303. a second conductive terminal;

4. a wire; 401. a first wire core; 402. a second wire core;

5. a circuit board;

6. an equipment plug; 601. a positive terminal; 602. and a negative terminal.

Detailed Description

In order to make the objects, features and advantages of the present invention more obvious and understandable, the embodiments of the present invention are clearly and completely described with reference to the drawings in the embodiments of the present invention, and obviously, the embodiments described below are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present.

Furthermore, the terms "long", "short", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships illustrated in the drawings, and are only for convenience of describing the present invention, but do not indicate or imply that the device or element referred to must have the specific orientation, operate in the specific orientation configuration, and thus, should not be construed as limiting the present invention.

The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.

The embodiment provides a charger, which comprises a charging seat and a charging wire inserted into the charging seat. The charging seat comprises a shell and a USB female seat fixedly connected with the shell. The charging wire comprises a charging plug used for being inserted into the USB female socket, a wire 4 with one end electrically connected with the charging plug and an equipment plug 6 electrically connected with the other end of the wire 4. Specifically, the device plug 6 is used for being inserted into a charging port of an electronic device such as a mobile phone and a tablet computer, and may be a Type-C interface or a Micro-USB interface.

In this embodiment, the USB female socket is used for being plugged with a charging plug, and in order to make the charging plug suitable for the existing USB female socket, the USB female socket provided in this embodiment may have the same structure as the existing USB female socket, that is, as shown in fig. 1, the USB female socket includes a female socket metal shell 101 for grounding, and a grounding elastic sheet 1011 tilting upward is disposed at the bottom of the female socket metal shell 101. The female metal shell 101 is internally provided with a first female PIN 102, a second female PIN 103, a third female PIN 104 and a fourth female PIN 105. Wherein: the first female PIN 102 is commonly used for providing stable direct current voltage, the second female PIN 103 is commonly used as a negative PIN for data transmission, the third female PIN 104 is commonly used as a positive PIN for data transmission, and the fourth female PIN is commonly used for grounding. In general, the first female PIN 102 and the fourth female PIN 105 cooperate to form a charging circuit, but since the first female PIN 102 and the fourth female PIN 105 are located on the same side of the tongue plate 301, the charging plug cannot be electrically conducted when being reversely inserted. Considering that female seat metal casing 101 and fourth female seat PIN needle 105 all are used for ground connection, so this embodiment uses first female seat PIN needle 102 and female seat metal casing 101 cooperation to constitute the circuit of charging, so first female seat PIN needle 102 is favorable to realizing that the positive and negative of charging plug inserts the homoenergetic and realizes the electric conduction with the ground connection shell fragment 1011 overall arrangement of female seat metal casing 101 one on the other, and two need not to reform transform current USB female seat again, is favorable to charging plug to be applicable to all USB female seats that have been used at present.

It should be noted that, in the present embodiment, how to implement the charging function is mainly considered, and how to implement the data transmission function while charging is not the focus of the present embodiment, so the present embodiment focuses on the first female PIN 102 and the female metal housing 101, and details of the second female PIN 103 and the third female PIN 104 are not repeated.

Correspondingly, referring to fig. 3, the charging plug for being plugged into the USB female socket includes a tongue plate 301, a first conductive terminal 302 located on a front surface of the tongue plate 301, and a second conductive terminal 303 located on a back surface of the tongue plate 301, wherein the first conductive terminal 302 is configured to be connected in series with the second conductive terminal 303 to form a charging loop.

Preferably, specifically, since the charging plug is not provided with the plug metal housing 201, the tongue plate 301 can be inserted into the USB female socket in the forward and reverse directions, and further, the positions of the first conductive terminal 302 and the second conductive terminal 303 are controlled to be aligned with the first female socket PIN 102 and the grounding elastic piece 1011, respectively, so that the charging plug can be electrically conducted with the USB female socket when being inserted into the USB female socket in the forward and reverse directions. Generally, an insertion space for inserting the charging plug is arranged in the USB female socket, and the first female socket PIN 102 and the grounding elastic sheet 1011 are symmetrically arranged about a geometric center of the insertion space; as long as it is ensured:

the first conductive terminal 302 and the second conductive terminal 303 are symmetrically arranged about the geometric center of the tongue plate 301;

② the horizontal distance between the first conductive terminal 302 ② the second conductive terminal 303 is equal to the horizontal distance between the first female PIN 102 ② the grounding elastic sheet 1011.

Satisfying the above conditions, it is possible to: when the charging plug is inserted in the forward direction, that is, when the charging plug is inserted into the insertion space with the front face facing upward, the first female PIN 102 is in contact connection with the first conductive terminal 302, and the grounding elastic sheet 1011 is in contact connection with the second conductive terminal 303; when the charging plug is inserted in the reverse direction, that is, when the charging plug is inserted into the insertion space with the front face facing downward, the first female PIN 102 is in contact connection with the second conductive terminal 303, and the grounding elastic piece 1011 is in contact connection with the first conductive terminal 302.

It should be noted that, the utility model provides a charging plug, charging wire and charger, on one hand, do not set up plug metal casing 201 in the periphery of hyoplastron 301, be favorable to hyoplastron 301 can positive and negative two-way insert in the insertion space of USB female seat, solved the reverse unable structure interference problem of inserting in traditional female seat of traditional plug; on the other hand, the existing condition that the first female PIN 102 and the grounding elastic sheet 1011 are arranged in the accommodating groove of the USB female socket in a central symmetry manner one above the other (specifically, the first female PIN 102 is located at the upper left corner of the accommodating groove, and the grounding elastic sheet 1011 is located at the lower right corner of the accommodating groove) is fully utilized, the first conductive terminal 302 and the second conductive terminal 303 are respectively fixed on the front and back surfaces of the tongue plate 301, so that the charging plug can be electrically connected with the USB female socket when being inserted into the insertion space with the front surface facing upwards and the back surface facing upwards by properly controlling the positions of the first conductive terminal 302 and the second conductive terminal 303, and the problem that the conventional plug cannot be electrically connected with the conventional female socket when being inserted in a reverse direction. Therefore, the utility model provides a charging plug can positive and negative two-way insert in the female seat of USB and can realize the function of charging.

Referring to fig. 4, the wire 4 includes a first wire core 401 and a second wire core 402, and both ends of the first wire core 401 are electrically connected to the first conductive terminal 302 and the device plug 6, respectively; two ends of the second wire core 402 are electrically connected with the second conductive terminal 303 and the device plug 6 respectively. A circuit board 5 is further arranged between the lead 4 and the device plug 6, the circuit board 5 includes a switching circuit, and the switching circuit is used for electrically connecting the positive terminal 601 with the first female PIN 102 of the USB female socket and electrically connecting the negative terminal 602 with the grounding elastic sheet 1011 of the USB female socket.

Specifically, the first wire core 401 and the second wire core 402 are input terminals of the switching circuit, and the positive terminal 601 and the negative terminal 602 are output terminals of the switching circuit. When the charging plug is inserted into the USB female socket in the forward direction, the PIN 102 of the first female socket is in contact with the first conductive terminal 302, the first core 401 is positive, and the second core 402 is negative, so that the switching circuit connects the first core 401 to the positive terminal 601 and the second core 402 to the negative terminal 602; when the charging plug is inserted into the USB female socket in the forward direction, the first female socket PIN 102 is in contact with the second conductive terminal 303, the first bobbin 401 is negative, and the second bobbin 402 is positive, so the switching circuit connects the second bobbin 402 to the positive terminal 601 and the first bobbin 401 to the negative terminal 602. It should be noted that the specific structure of the switching circuit is prior art, and is not the focus of the present embodiment, and therefore, the detailed description thereof is omitted.

The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims

1. A charging plug is used for being inserted into a USB female socket and is characterized by comprising a tongue plate, a first conductive terminal located on the front side of the tongue plate and a second conductive terminal located on the back side of the tongue plate, wherein the first conductive terminal is used for being connected with the second conductive terminal in series to form a charging loop.

2. The charging plug of claim 1, wherein the USB female socket comprises a female socket metal housing for grounding and a first female socket PIN for power supply;

3. The charging plug of claim 2, wherein a grounding spring extends upward from the bottom of the female housing metal shell;

4. The charging plug according to claim 3,

5. The charging plug according to claim 4,

6. A charging cord comprising the charging plug of any one of claims 1 to 5, further comprising:

7. The charging wire of claim 6, wherein the device plug comprises a positive terminal and a negative terminal, a circuit board is further disposed between the conducting wire and the device plug, the circuit board is provided with a switching circuit, and the switching circuit is used for electrically connecting the positive terminal with a first female socket PIN PIN of the female USB socket and electrically connecting the negative terminal with a grounding elastic sheet of the female USB socket.

8. A charger comprises the charging wire of any one of claims 6 to 7, and further comprises a charging seat, wherein the charging seat comprises a shell and a USB female seat connected with the charging plug in a plugging mode.