CN203596474U - USB socket connector - Google Patents

Abstract

The utility model discloses a USB connector, which comprises a plug and a socket matched with the plug. On a straight line, the conductive contacts set in the socket are also located on a straight line, and the conductive contacts set in the plug match the conductive contacts set in the socket in size, equal in number, and in the same position; the conductive contacts set in the plug and the socket The bodies are distributed in a rotationally symmetrical manner, and the two conductive contact bodies located at rotationally symmetrical positions correspond to the same wire to be connected. The USB connector of the utility model can realize the maximum reduction in size in the thickness direction, and no matter how the thickness of the USB connector is reduced, it can conveniently realize double-sided plugging.

Description

USB connector

technical field

The utility model relates to a connector, in particular to a USB connector.

Background technique

Universal Serial Bus (USB) is an interface standard for DC power supply and communication, and has been widely used in electronic products such as mobile phones, IPads, notebook computers, microcomputers, and digital cameras.

Traditional USB connectors are composed of plugs and sockets, usually flat in shape, and usually contain 4 to 5 circuit pins, which can realize the connection function of 4 to 5 wires. The conductive contacts in the connector are usually arranged in a row. Common USB connectors can only be plugged and used correctly in one set direction. Users are required to correctly identify the direction mark of the connector before use, which brings troubles to users, especially users with poor eyesight. inconvenient.

The key to solving this problem is to realize the double-sided pluggability of the USB connector. In the utility model patent application with the patent application number CN103187642, the utility model proposes an easy-to-use USB connector without a metal cover, and realizes the connection of the USB connector by setting conductive contacts on both surfaces of the carrier board. Both sides can be plugged; in the utility model patent with the publication number CN1734857A, the utility model provides a USB connector that can be plugged on both sides. The USB connector is composed of a three-layer structure. It is a frame plate with a longitudinal slit, and the middle layer is a circuit board. The circuit boards at the longitudinal slits of the upper and lower frame plates constitute the conductive contacts of the USB connector, thus forming a double-sided plug-in connector. Connected USB connector.

Although the above-mentioned technical scheme can better realize the double-sided plugging of USB connectors, as USB devices continue to develop in the direction of "small, light, and thin", strict requirements are also placed on the thickness of USB connectors. Obviously, the above-mentioned The existing technology is limited by its structure and cannot be made thinner.

Utility model content

The purpose of the utility model is to overcome the above-mentioned problems in the prior art, and provide a USB connector that can not only realize double-sided insertion but also realize thinner and smaller dimensions.

In order to solve the above technical problems, the utility model adopts the following technical solutions:

A USB connector, including a plug and a socket matched with the plug, the plug and the socket both include an outer shell, more than two conductive contacts and insulating fillers arranged in the outer shell, the plug outer shell and the socket shell body matching; the conductive contacts set in the plug are located on the same straight line, the conductive contacts set in the socket are also located on a straight line, the conductive contacts set in the plug match the conductive contacts set in the socket, and the number is equal. The positions are consistent; the conductive contacts arranged in the plug and the socket are distributed in a rotationally symmetrical manner, and the conductive contacts distributed in the rotationally symmetrical positions correspond to the same wire to be connected. This design enables the USB connector of the utility model to minimize the size in the thickness direction, and no matter how the thickness of the USB connector is reduced, it can conveniently realize double-sided plugging.

Further, the conductive contacts provided in the plug are elongated needle-shaped conductors, the conductive contacts provided in the socket are elongated hole-shaped conductors, and the transverse direction of the elongated needle-shaped conductors is The cross-section has the same shape and size matching with the cross-section of the elongated hole-shaped conductor. The use of the needle-shaped conductor and the hole-shaped conductor makes the USB connector of the utility model simple in structure and high in reliability, and can be processed by using existing processing technology, and the processing is convenient.

Further, the conductive contacts provided in the plug are elongated hole-shaped conductors, and the conductive contacts provided in the socket are elongated needle-shaped conductors, and the transverse direction of the elongated needle-shaped conductors is The cross-section has the same shape and size matching with the cross-section of the elongated hole-shaped conductor.

Further, the cross-sectional shape of the elongated needle-shaped conductor and the elongated hole-shaped conductor may be any figure satisfying rotational symmetry.

Further, the lengths of the conductive contacts provided in the plug and the conductive contacts provided in the socket may not be exactly the same, and the lengths of the conductive contacts at the rotationally symmetrical positions of the plug or the socket are the same. By installing conductive contact bodies of different lengths, different turn-on timing control of the wires to be connected can be realized.

Further, the number of conductive contacts provided in the plug and the number of conductive contacts provided in the socket is 8, the USB connector can not only realize all the functions of the traditional USB connector, but also has a thinner thickness, which can Do double-sided splicing.

Further, the number of conductive contacts provided in the plug and the number of conductive contacts provided in the socket are both seven.

Description of drawings

Fig. 1 (a) is the circuit principle diagram of the USB connector socket in the utility model embodiment 1, 2;

Fig. 1 (b) is the circuit principle diagram of the USB connector plug in the utility model embodiment 1, 2;

Fig. 2 (a) is the front view of the USB connector socket in Embodiment 1 of the present utility model;

Figure 2(b) is a cross-sectional view along line A-A in Figure 2(a);

Figure 2(c) is a front view of the USB connector plug in Embodiment 1 of the present utility model;

Figure 2(d) is a sectional view along line B-B in Figure 2(c);

Fig. 3 (a) is the schematic diagram of the circuit of the USB connector socket in Embodiment 3 of the present utility model;

Fig. 3(b) is a schematic circuit diagram of the USB connector plug in Embodiment 3 of the present invention.

Detailed ways

In order to make the purpose, technical solution and advantages of the utility model clearer, the utility model will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model, and are not intended to limit the utility model.

Example 1

Figure 1 shows the schematic circuit diagram of the USB connector in this embodiment, where Figure 1(a) is the circuit schematic diagram of the socket, and Figure 1(b) is the circuit schematic diagram of the corresponding plug, it can be seen that the socket 11 and The plug 12 includes conductive contacts 1, 2, 3, 4, 5, 6, 7, 8 and 1', 2', 3', 4', 5', 6', 7', 8' respectively, the conductive contacts 1, 2, 3, 4, 5, 6, 7, 8 are located on the same straight line, and the conductive contacts 1', 2', 3', 4', 5', 6', 7', 8' are also located on the same line. On a straight line, one end of the wires S1, S2, S3, and S4 to be connected is connected to the conductive contacts 1, 2, 3, 4, 5, 6, 7, and 8 of the socket 11, and the other end is connected to the conductive contact of the plug 12. On the body 1', 2', 3', 4', 5', 6', 7', 8', each wire to be connected is connected through two corresponding conductive contact bodies, taking the socket 11 as an example, The conductive contacts 1 and 8 on it correspond to the wires S1 to be connected, that is, the conductive contacts 1 and 8 are responsible for connecting the wires S1 to be connected at the end of the plug 12 with the wires S1 to be connected at the end of the socket 11, and the conductive contacts 2 and 7 correspond to For the wire S2 to be connected, the conductive contacts 3 and 6 correspond to the wire S3 to be connected, and the conductive contacts 4 and 5 correspond to the wire S4 to be connected, that is, the two conductive contacts located at rotationally symmetrical positions in the plug 12 and the socket 11 Corresponding to the same wire to be connected, it can be seen that assuming that the position of the socket 11 is fixed, the plug 12 can be correctly plugged in two directions with a difference of 180°, that is, the wire S1 to be connected can be realized in the directions with a difference of 180°. , S2, S3, and S4 are normally connected.

As shown in Figures 2(a) to 2(d), the double-sided pluggable USB connector in this embodiment includes a socket 11 and a plug 12 matched with the socket 11. Both the socket 11 and the plug 12 include an outer shell 111, 121. Conductive contacts 1, 2, 3, 4, 5, 6, 7, 8, 1', 2', 3', 4', 5', 6', 7' placed in the outer casing 111, 121 , 8' and insulating fillers 112, 122, wherein, on the one hand, the outer shell 111, 121 protects the inner structure of the socket 11 and the plug 12 from damage; on the other hand, the shape of the outer shell 121 is the same as that of the inner shell 111 And the size of the outer side of the outer shell 121 is slightly smaller than the size of the inner side of the outer shell 111, which is convenient for the smooth insertion of the socket 11 and the plug 12; the setting of the insulating fillers 112 and 122 is to facilitate the installation and fixing of the conductive contact body, and the second is to act as a socket. 11 plays a guiding and positioning role when plugged with the plug 12.

The conductive contacts 1, 2, 3, 4, 5, 6, 7, and 8 set in the socket 11 are located on the same straight line, and the conductive contacts 1', 2', 3', 4', 5 set in the plug 12 ', 6', 7', 8' are also located on a straight line, the size of the conductive contact body set in the socket 11 and the conductive contact body set in the plug 12 match, the number is equal, and the position is consistent, and the socket 11 and the plug 12 The set conductive contacts are distributed in a rotationally symmetrical manner, and the two conductive contacts distributed at rotationally symmetrical positions correspond to the same wire to be connected and are responsible for connecting the corresponding wires to be connected, that is, the conductive contacts 1 and 8 correspond to The wire S1 to be connected, the conductive contacts 2 and 7 correspond to the wire S2 to be connected, the conductive contacts 3 and 6 correspond to the wire S3 to be connected, and the conductive contacts 4 and 5 correspond to the wire S4 to be connected.

In order to realize the double-sided pluggable function and reduce the processing cost, the conductive contacts in this embodiment can be needle-shaped conductors and hole-shaped conductors. In this embodiment, the conductive contacts 1 and 2 arranged in the socket 11 , 3, 4, 5, 6, 7, and 8 use strip-shaped circular hole-shaped conductors, and the conductive contacts 1', 2', 3', 4', 5', 6', 7 arranged in the plug 12 ’, 8’ use corresponding elongated circular needle-shaped conductors. When the plug 12 is inserted into the socket 11, the elongated circular needle-shaped conductors set in the plug 12 are just located in the long strips set in the socket 11. The inside of the circular hole-shaped conductor, and the outer surface of the elongated circular needle-shaped conductor is in close contact with the inner surface of the elongated circular hole-shaped conductor, so as to realize the connection of the wires to be connected. The needle-shaped conductor and the hole-shaped conductor here In the case of matching, the cross-sectional shape of the conductor can be any rotationally symmetrical figure such as ellipse or polygon in addition to the circle in this embodiment, so as to meet the needs of different occasions.

In order to control the conduction sequence of different wires to be connected, the lengths of the elongated circular needle-shaped conductors arranged in the plug 12 in this embodiment may not be exactly the same, and the elongated circular needle-shaped conductors arranged in the corresponding socket 11 may be different in length. The lengths of the circular hole-shaped conductors may not be exactly the same, but the lengths of the conductors located at rotationally symmetrical positions in the plug 12 or the socket 11 are consistent.

Example 2

The principle and structure of the USB connector in this embodiment are basically the same as that of the USB connector in Embodiment 1. , 5, 6, 7, and 8 use elongated needle-shaped conductors, while the conductive contacts 1', 2', 3', 4', 5', 6', 7', and 8' set in the plug 12 are A strip-shaped hole-shaped conductor is used.

Example 3

As shown in the schematic diagrams of the socket and plug circuit in Figure 3(a) and 3(b), there are 7 conductive contacts in the socket 11 of the USB connector in this embodiment, and there are 7 conductive contacts in the corresponding plug 12. Take the socket 11 as an example, in this case, wherein, the conductive contacts 1, 7 correspond to the wires S1 to be connected, that is, the conductive contacts 1, 7 are responsible for connecting the wires S1 to be connected at the plug 12 end with the wires S1 located at the socket. The wire S1 to be connected at the 11 end is connected, the conductive contacts 2 and 6 correspond to the wire S2 to be connected, the conductive contacts 3 and 5 correspond to the wire S3 to be connected, and the conductive contact 4 corresponds to the wire S4 to be connected, that is, the plug 12 and the socket The two conductive contacts located at rotationally symmetrical positions in 11 correspond to the same wire to be connected, and the conductive contact located at the center of rotational symmetry corresponds to a single wire to be connected. Assuming that the position of the socket 11 is fixed, the plug 12 is connected between the two. It can be plugged correctly in two directions with a difference of 180°, that is, the normal connection of the wires S1, S2, S3, and S4 to be connected can be realized in the two directions with a difference of 180°.

Those skilled in the art will appreciate that the embodiments described here are to help readers understand the principle of the utility model, and it should be understood that the protection scope of the utility model is not limited to such specific statements and examples. Those skilled in the art can make various other specific modifications and combinations based on the technical revelations disclosed in the utility model without departing from the essence of the utility model, and these variations and combinations are still within the protection scope of the utility model.

Claims (7)

1. a USB connector, the socket that comprises plug and coordinate with plug, described plug and socket includes shell body, is arranged at plural conductive contact body and insulation filler in shell body, and described plug body body mates with jack housing body; The conductive contact body arranging in plug is located on the same line, the conductive contact body arranging in socket is also positioned on straight line, the conductive contact body arranging in plug equates with the conductive contact body size coupling, the quantity that arrange in socket, position consistency, it is characterized in that: in plug and socket, set conductive contact body is all Rotational Symmetry distribution, be distributed in corresponding same of the locational conductive contact body of Rotational Symmetry and treat communication conductive wire.

2. USB connector according to claim 1, it is characterized in that: the conductive contact body arranging in described plug is strip needle-like conductive body, the conductive contact body arranging in described socket is the poroid electric conductor of strip, identical with the shape of cross section of the poroid electric conductor of strip, the big or small coupling of cross section of described strip needle-like conductive body.

3. USB connector according to claim 1, it is characterized in that: the conductive contact body arranging in described plug is the poroid electric conductor of strip, the conductive contact body arranging in described socket is strip needle-like conductive body, identical with the shape of cross section of the poroid electric conductor of strip, the big or small coupling of cross section of described strip needle-like conductive body.

4. according to the USB connector described in claim 2 or 3, it is characterized in that: the shape of cross section of described strip needle-like conductive body and the poroid electric conductor of strip is for meeting arbitrarily rotational symmetric figure.

5. USB connector according to claim 1, it is characterized in that: the length of the conductive contact body arranging in the conductive contact body arranging in described plug and described socket can be incomplete same, and the length that is positioned at plug or the locational conductive contact body of socket Rotational Symmetry is identical.

6. USB connector according to claim 1, is characterized in that: the number of the conductive contact body arranging in the conductive contact body arranging in described plug and socket is 8.

7. USB connector according to claim 1, is characterized in that: the number of the conductive contact body arranging in the conductive contact body arranging in described plug and socket is 7.

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