Bidirectional electrical connection socket, bidirectional electrical connection plug and combination thereof

A bidirectional electrical connection plug, which can be inserted and connected to an electrical connection socket, wherein the electrical connection socket has a connection slot, a tongue is disposed at a middle height of the connection slot, symmetrical spaces are formed on two connection surfaces of the tongue, and the bidirectional electrical connection plug comprises:

• an insulating base;
• a metal housing covering the insulating base;
• and
• a fitting portion, which is disposed on one end of the insulating base and can be inserted into the connection slot of the electrical connection socket;
• characterized in that the fitting portion has two contact interface substrates having the same height and facing each other and a fitting space, each of the two contact interface substrates has an insulating layer, an interval between the two contact interface substrates is the fitting space, inside layers of the two contact interface substrates pertain to the insulating layer, outside layers of the two contact interface substrates pertain to the metal housing, each of the two contact interface substrates has a contact interface to be electrically connected to the electrical connection socket, the contact interface is electrically connected to the other end of the insulating base, the fitting portion can be bidirectionally inserted into the connection slot of the electrical connection socket, heights of the two contact interface substrates can be fit with the spaces on the two connection surfaces of the tongue, the fitting space is fit with the tongue, the bidirectional electrical connection plug further has a positioning structure for positioning the insulating layers of the two contact interface substrates, the contact interface is formed by terminals, each of the terminals has a pin, a first fixing portion and an extension, the first fixing portion is fixed to the insulating base, the extension is connected to one end of the first fixing portion, extends to the contact interface substrate and has a contact, the pin is connected to the other end of the first fixing portion and projects beyond the insulating base, the contacts of the terminals form the contact interface, the two contact interfaces have connection points with circuit serial numbers arranged reversely, each of the two contact interface substrates is projectingly formed with one front row and one rear row of elastically movable contacts, the rear row of contacts pertains to the contact interface, the insulating layers of the two contact interface substrates have a transversal front-rear isolation region for isolating the front and rear rows of contacts, and the heights of the two contact interface substrates are smaller than a fitting interface substrate of a standard electrical connection plug having a minimum height specification specified by USB Association, and are larger than a small space of a connection slot of a standard electrical connection socket having a minimum height specification specified by USB Association.

A bidirectional electrical connection plug, which can be inserted and connected to an electrical connection socket, wherein the electrical connection socket has a connection slot, a tongue is disposed at a middle height of the connection slot, symmetrical spaces are formed on two connection surfaces of the tongue, and the bidirectional electrical connection plug comprises:

• an insulating base;
• a metal housing covering the insulating base;
• and
• a fitting portion, which is disposed on one end of the insulating base and can be inserted into the connection slot of the electrical connection socket;
• characterized in that the fitting portion has two contact interface substrates having the same height and facing each other and a fitting space, each of the two contact interface substrates has an insulating layer, an interval between the two contact interface substrates is the fitting space, inside layers of the two contact interface substrates pertain to the insulating layer, outside layers of the two contact interface substrates pertain to the metal housing, each of the two contact interface substrates has a contact interface to be electrically connected to the electrical connection socket, the contact interface is electrically connected to the other end of the insulating base, the fitting portion can be bidirectionally inserted into the connection slot of the electrical connection socket, heights of the two contact interface substrates can be fit with the spaces on the two connection surfaces of the tongue, the fitting space is fit with the tongue, and the bidirectional electrical connection plug further has a positioning structure for positioning the insulating layers of the two contact interface substrates, the contact interface is formed by terminals, each of the terminals has a pin, a first fixing portion and an extension, the first fixing portion is fixed to the insulating base, the extension is connected to one end of the first fixing portion, extends to the contact interface substrate and has a contact, the pin is connected to the other end of the first fixing portion and projects beyond the insulating base, the contacts of the terminals form the contact interface, the two contact interfaces have connection points with circuit serial numbers arranged reversely, each of the two contact interface substrates is projectingly formed with one front row and one rear row of elastically movable contacts, the rear row of contacts pertains to the contact interface, each of the two rows of contacts have at least one ground contact, the front row of contacts are connected to a second fixing portion, the second fixing portion extends to and is positioned at the contact interface substrate, the first fixing portions of the terminals having the rear row of contacts extend to and are positioned at the insulating base, and the heights of the two contact interface substrates are smaller than a fitting interface substrate of a standard electrical connection plug having a minimum height specification specified by USB Association, and are larger than a small space of a connection slot of a standard electrical connection socket having a minimum height specification specified by USB Association.

A bidirectional electrical connection plug, which can be inserted and connected to an electrical connection socket, wherein the electrical connection socket has a connection slot, a tongue is disposed at a middle height of the connection slot, symmetrical spaces are formed on two connection surfaces of the tongue, and the bidirectional electrical connection plug comprises:

• an insulating base;
• a metal housing covering the insulating base;
• and
• a fitting portion, which is disposed on one end of the insulating base and can be inserted into the connection slot of the electrical connection socket;
• characterized in that the fitting portion has two contact interface substrates having the same height and facing each other and a fitting space, each of the two contact interface substrates has an insulating layer, an interval between the two contact interface substrates is the fitting space, inside layers of the two contact interface substrates pertain to the insulating layer, outside layers of the two contact interface substrates pertain to the metal housing, each of the two contact interface substrates has a contact interface to be electrically connected to the electrical connection socket, the contact interface is electrically connected to the other end of the insulating base, the fitting portion can be bidirectionally inserted into the connection slot of the electrical connection socket, heights of the two contact interface substrates can be fit with the spaces on the two connection surfaces of the tongue, the fitting space is fit with the tongue, and the bidirectional electrical connection plug further has a positioning structure for positioning the insulating layers of the two contact interface substrates, the contact interface is formed by terminals, each of the terminals has a pin, a first fixing portion and an extension, the first fixing portion is fixed to the insulating base, the extension is connected to one end of the first fixing portion, extends to the contact interface substrate and has a contact, the pin is connected to the other end of the first fixing portion and projects beyond the insulating base, the contacts of the terminals form the contact interface, the two contact interfaces have connection points with circuit serial numbers arranged reversely, each of the two contact interface substrates is projectingly formed with one front row and one rear row of elastically movable contacts, the rear row of contacts pertains to the contact interface, and the rear row of contacts are closer to a middle height of the fitting space than the front row of contacts, so that the front row of contacts are lower than the rear row of contacts, wherein the contact interface substrate and the insulating base are integrally formed jointly with each other, the two contact interface substrates have separating structures corresponding to the rear row of contacts, so that the rear row of contacts cannot touch the metal housing when elastically moving vertically, and the heights of the two contact interface substrates are smaller than a fitting interface substrate of a standard electrical connection plug having a minimum height specification specified by USB Association, and are larger than a small space of a connection slot of a standard electrical connection socket having a minimum height specification specified by USB Association.

A bidirectional electrical connection plug, which can be inserted and connected to an electrical connection socket, wherein the electrical connection socket has a connection slot, a tongue is disposed at a middle height of the connection slot, symmetrical spaces are formed on two connection surfaces of the tongue, and the bidirectional electrical connection plug comprises:

• an insulating base;
• a metal housing covering the insulating base;
• and
• a fitting portion, which is disposed on one end of the insulating base and can be inserted into the connection slot of the electrical connection socket;
• characterized in that the fitting portion has two contact interface substrates having the same height and facing each other and a fitting space, each of the two contact interface substrates has an insulating layer, an interval between the two contact interface substrates is the fitting space, inside layers of the two contact interface substrates pertain to the insulating layer, outside layers of the two contact interface substrates pertain to the metal housing, each of the two contact interface substrates has a contact interface to be electrically connected to the electrical connection socket, the contact interface is electrically connected to the other end of the insulating base, the fitting portion can be bidirectionally inserted into the connection slot of the electrical connection socket, heights of the two contact interface substrates can be fit with the spaces on the two connection surfaces of the tongue, the fitting space is fit with the tongue, and the bidirectional electrical connection plug further has a positioning structure for positioning the insulating layers of the two contact interface substrates, the contact interface is formed by terminals, each of the terminals has a pin, a first fixing portion and an extension, the first fixing portion is fixed to the insulating base, the extension is connected to one end of the first fixing portion, extends to the contact interface substrate and has a contact, the pin is connected to the other end of the first fixing portion and projects beyond the insulating base, the contacts of the terminals form the contact interface, the two contact interfaces have connection points with circuit serial numbers arranged reversely, at least one contact interface has at least one row of seven contacts, left and right sides of the fitting space have two engaging portions, respectively, to be engaged with engaging portions of left and right sides of the connection slot of the electrical connection socket, and the heights of the two contact interface substrates are smaller than fitting interface substrate of a standard electrical connection plug having a minimum height specification specified by USB Association, and are larger than a small space of a connection slot of a standard electrical connection socket having a minimum height specification specified by USB Association.

A bidirectional electrical connection plug, which can be inserted and connected to an electrical connection socket, wherein the electrical connection socket has a connection slot, a tongue is disposed at a middle height of the connection slot, symmetrical spaces are formed on two connection surfaces of the tongue, and the bidirectional electrical connection plug comprises:

• an insulating base;
• a metal housing covering the insulating base;
• and
• a fitting portion, which is disposed on one end of the insulating base and can be inserted into the connection slot of the electrical connection socket;
• characterized in that the fitting portion has two contact interface substrates having the same height and facing each other and a fitting space, each of the two contact interface substrates has an insulating layer, an interval between the two contact interface substrates is the fitting space, inside layers of the two contact interface substrates pertain to the insulating layer, outside layers of the two contact interface substrates pertain to the metal housing, each of the two contact interface substrates has a contact interface to be electrically connected to the electrical connection socket, the contact interface is electrically connected to the other end of the insulating base, the fitting portion can be bidirectionally inserted into the connection slot of the electrical connection socket, heights of the two contact interface substrates can be fit with the spaces on the two connection surfaces of the tongue, the fitting space is fit with the tongue, and the bidirectional electrical connection plug further has a positioning structure for positioning the insulating layers of the two contact interface substrates, the contact interface is formed by terminals, each of the terminals has a pin, a first fixing portion and an extension, the first fixing portion is fixed to the insulating base, the extension is connected to one end of the first fixing portion, extends to the contact interface substrate and has a contact, the pin is connected to the other end of the first fixing portion and projects beyond the insulating base, the contacts of the terminals form the contact interface, the two contact interfaces have connection points with circuit serial numbers arranged reversely, the contacts of the two contact interfaces project beyond the insulating layers of the two contact interface substrates and are vertically movable, the two contact interfaces have at least three pairs of signal contacts, and the heights of the two contact interface substrates are smaller than a fitting interface substrate of a standard electrical connection plug having a minimum height specification specified by USB Association, and are larger than a small space of a connection slot of a standard electrical connection socket having a minimum height specification specified by USB Association.

A bidirectional electrical connection plug, which can be inserted and connected to an electrical connection socket, wherein the electrical connection socket has a connection slot, a tongue is disposed at a middle height of the connection slot, symmetrical spaces are formed on two connection surfaces of the tongue, and the bidirectional electrical connection plug comprises:

• an insulating base;
• a metal housing covering the insulating base;
• and
• a fitting portion, which is disposed on one end of the insulating base and can be inserted into the connection slot of the electrical connection socket;
• characterized in that the fitting portion has two contact interface substrates having the same height and facing each other and a fitting space, each of the two contact interface substrates has an insulating layer, an interval between the two contact interface substrates is the fitting space, inside layers of the two contact interface substrates pertain to the insulating layer, outside layers of the two contact interface substrates pertain to the metal housing, each of the two contact interface substrates has a contact interface to be electrically connected to the electrical connection socket, the contact interface is electrically connected to the other end of the insulating base, the fitting portion can be bidirectionally inserted into the connection slot of the electrical connection socket, heights of the two contact interface substrates can be fit with the spaces on the two connection surfaces of the tongue, the fitting space is fit with the tongue, and the bidirectional electrical connection plug further has a positioning structure for positioning the insulating layers of the two contact interface substrates, the contact interface is formed by terminals, each of the terminals has a pin, a first fixing portion and an extension, the first fixing portion is fixed to the insulating base, the extension is connected to one end of the first fixing portion, extends to the contact interface substrate and has a contact, the pin is connected to the other end of the first fixing portion and projects beyond the insulating base, the contacts of the terminals form the contact interface, the two contact interfaces have connection points with circuit serial numbers arranged reversely, each of the two contact interface substrates is projectingly formed with one front row and one rear row of elastically movable contacts, the rear row of contacts pertains to the contact interface, the front row of contacts are connected to a second fixing portion embedded into, injected into and fixed to the contact interface substrate, the first fixing portions of the terminals of the rear row of contacts extend to and are positioned at the insulating base, and the heights of the two contact interface substrates are smaller than a fitting interface substrate of a standard electrical connection plug having a minimum height specification specified by USB Association, and are larger than a small space of a connection slot of a standard electrical connection socket having a minimum height specification specified by USB Association.

A bidirectional electrical connection plug, which can be inserted and connected to an electrical connection socket, wherein the electrical connection socket has a connection slot, a tongue is disposed at a middle height of the connection slot, symmetrical spaces are formed on two connection surfaces of the tongue, and the bidirectional electrical connection plug comprises:

• an insulating base;
• a metal housing covering the insulating base;
• and
• a fitting portion, which is disposed on one end of the insulating base and can be inserted into the connection slot of the electrical connection socket;
• characterized in that the fitting portion has two contact interface substrates having the same height and facing each other and a fitting space, each of the two contact interface substrates has an insulating layer, an interval between the two contact interface substrates is the fitting space, inside layers of the two contact interface substrates pertain to the insulating layer, outside layers of the two contact interface substrates pertain to the metal housing, each of the two contact interface substrates has a contact interface to be electrically connected to the electrical connection socket, the contact interface is electrically connected to the other end of the insulating base, the fitting portion can be bidirectionally inserted into the connection slot of the electrical connection socket, heights of the two contact interface substrates can be fit with the spaces on the two connection surfaces of the tongue, the fitting space is fit with the tongue, the bidirectional electrical connection plug further has a positioning structure for positioning the insulating layers of the two contact interface substrates, the contact interface is formed by terminals, each of the terminals has a pin, a first fixing portion and an extension, the first fixing portion is fixed to the insulating base, the extension is connected to one end of the first fixing portion, extends to the contact interface substrate and has a contact, the pin is connected to the other end of the first fixing portion and projects beyond the insulating base, the contacts of the terminals form the contact interface, the two contact interfaces have connection points with circuit serial numbers arranged reversely, each of the two contact interface substrates is projectingly formed with one front row of elastically movable contacts and one rear row of elastically movable contacts, the rear row of contacts pertains to the contact interface, each of the contact interfaces of the two contact interface substrates has at least two pairs of RX+, RX−;
• and TX+, TX− signal contacts, and the heights of the two contact interface substrates are smaller than a fitting interface substrate of a standard electrical connection plug having a minimum height specification specified by USB Association, and are larger than a small space of a connection slot of a standard electrical connection socket having a minimum height specification specified by USB Association.

A bidirectional electrical connection plug, which can be inserted and connected to an electrical connection socket, wherein the electrical connection socket has a connection slot, a tongue is disposed at a middle height of the connection slot, symmetrical spaces are formed on two connection surfaces of the tongue, and the bidirectional electrical connection plug comprises:

• an insulating base;
• a metal housing covering the insulating base;
• and
• a fitting portion, which is disposed on one end of the insulating base and can be inserted into the connection slot of the electrical connection socket;
• characterized in that the fitting portion has two contact interface substrates having the same height and facing each other and a fitting space, each of the two contact interface substrates has an insulating layer, an interval between the two contact interface substrates is the fitting space, inside layers of the two contact interface substrates pertain to the insulating layer, outside layers of the two contact interface substrates pertain to the metal housing, at least one of the two contact interface substrates has a contact interface having one row of connection points with circuit serial numbers arranged in order, so as to be bidirectionally electrically connected to the electrical connection socket, the contact interface is electrically connected to the other end of the insulating base, the fitting portion can be bidirectionally inserted into the connection slot of the electrical connection socket, heights of the two contact interface substrates can be fit with the spaces on the two connection surfaces of the tongue, the fitting space is fit with the tongue, and the bidirectional electrical connection plug further has a positioning structure for positioning the insulating layers of the two contact interface substrates, the contact interface is formed by terminals, each of the terminals has a pin, a first fixing portion and an extension, the first fixing portion is fixed to the insulating base, the extension is connected to one end of the first fixing portion, extends to the contact interface substrate and has a contact, the pin is connected to the other end of the first fixing portion and projects beyond the insulating base, the contacts of the terminals form the contact interface, the heights of the two contact interface substrates are smaller than a fitting interface substrate of a standard electrical connection plug having a minimum height specification specified by USB Association, are larger than a small space of a connection slot of a standard electrical connection socket having minimum height specification specified by USB Association, the contact interface has contacts having at least five connection points with the circuit serial numbers arranged in order, so as to be bidirectionally electrically connected to the electrical connection socket, and there is only one pair of signal contacts on the contact interface of only one of contact interface substrates of the two contact interface substrates.

A bidirectional electrical connection plug, which can be inserted and connected to an electrical connection socket, wherein the electrical connection socket has a connection slot, a tongue is disposed at a middle height of the connection slot, symmetrical spaces are formed on two connection surfaces of the tongue, and the bidirectional electrical connection plug comprises:

• an insulating base;
• a metal housing covering the insulating base;
• and
• a fitting portion, which is disposed on one end of the insulating base and can be inserted into the connection slot of the electrical connection socket;
• characterized in that the fitting portion has two contact interface substrates having the same height and facing each other and a fitting space, each of the two contact interface substrates has an insulating layer, an interval between the two contact interface substrates is the fitting space, inside layers of the two contact interface substrates pertain to the insulating layer, outside layers of the two contact interface substrates pertain to the metal housing, at least one of the two contact interface substrates has a contact interface having one row of connection points with circuit serial numbers arranged in order, so as to be bidirectionally electrically connected to the electrical connection socket, the contact interface is electrically connected to the other end of the insulating base, the fitting portion can be bidirectionally inserted into the connection slot of the electrical connection socket, heights of the two contact interface substrates can be fit with the spaces on the two connection surfaces of the tongue, the fitting space is fit with the tongue, and the bidirectional electrical connection plug further has a positioning structure for positioning the insulating layers of the two contact interface substrates, the contact interface is formed by terminals, each of the terminals has a pin, a first fixing portion and an extension, the first fixing portion is fixed to the insulating base, the extension is connected to one end of the first fixing portion, extends to the contact interface substrate and has a contact, the pin is connected to the other end of the first fixing portion and projects beyond the insulating base, the contacts of the terminals form the contact interface, and the heights of the two contact interface substrates are smaller than a fitting interface substrate of a standard electrical connection plug having a minimum height specification specified by USB Association, and are larger than a small space of a connection slot of a standard electrical connection socket having a minimum height specification specified by USB Association, at least one of the two contact interface substrates has one front row and one rear row of contacts, the rear row of contacts have the at least five contacts having the connection points with the circuit serial numbers arranged in order, the rear row of contacts pertains to the contact interface, so as to be bidirectionally electrically connected to the electrical connection socket, and there are only two pairs of signal contacts in the rear row of contacts of only one contact interface substrate of the two contact interface substrates.

A bidirectional electrical connection plug, which can be inserted and connected to an electrical connection socket, wherein the electrical connection socket has a connection slot, a tongue is disposed at a middle height of the connection slot, symmetrical spaces are formed on two connection surfaces of the tongue, and the bidirectional electrical connection plug comprises:

• an insulating base;
• a metal housing covering the insulating base;
• and
• a fitting portion, which is disposed on one end of the insulating base and can be inserted into the connection slot of the electrical connection socket;
• characterized in that the fitting portion has two contact interface substrates having the same height and facing each other and a fitting space, each of the two contact interface substrates has an insulating layer, an interval between the two contact interface substrates is the fitting space, inside layers of the two contact interface substrates pertain to the insulating layer, outside layers of the two contact interface substrates pertain to the metal housing, at least one of the two contact interface substrates has a contact interface having one row of connection points with circuit serial numbers arranged in order, so as to be bidirectionally electrically connected to the electrical connection socket, the contact interface is electrically connected to the other end of the insulating base, the fitting portion can be bidirectionally inserted into the connection slot of the electrical connection socket, heights of the two contact interface substrates can be fit with the spaces on the two connection surfaces of the tongue, the fitting space is fit with the tongue, and the bidirectional electrical connection plug further has a positioning structure for positioning the insulating layers of the two contact interface substrates, the contact interface is formed by terminals, each of the terminals has a pin, a first fixing portion and an extension, the first fixing portion is fixed to the insulating base, the extension is connected to one end of the first fixing portion, extends to the contact interface substrate and has a contact, the pin is connected to the other end of the first fixing portion and projects beyond the insulating base, the contacts of the terminals form the contact interface, and the heights of the two contact interface substrates are smaller than a fitting interface substrate of a standard electrical connection plug having a minimum height specification specified by USB Association, and are larger than a small space of a connection slot of a standard electrical connection socket having a minimum height specification specified by USB Association, the contact interface has at least nine contacts having connection points with circuit serial numbers arranged in order, so as to be bidirectionally electrically connected to the electrical connection socket, and there are only three pairs of signal contacts on the contact interface of only one contact interface substrate of the two contact interface substrates.