Abstract: A transfer plug for a variety of sockets includes an insulating shell, a first and a second connectors and a signal plug. The insulating shell has two side arms and a first pivoted portion. The first and the second connectors correspondingly combine with the insulating shell respectively and are electrically connected. The signal plug movably connects to the insulating shell and has a third connector connecting to the second connector. The signal plug has a gliding groove in a lateral edge thereof. The insulating shell combines with the first and second connector to form a transiting plug. The signal plug can slidably move and turn in different directions in an unused state. The signal plug can be used alone and doesn't need to be disassembled. The transiting plug can be repeatedly connected to other transiting plugs and converted into a multitasking transfer plug with different specifications and types of sockets.

Abstract: A plug assembly electronically connects with a cable and includes an insulating housing, a plurality of electric terminals, and a connector. The insulating housing defines a plurality of terminal grooves. The electric terminals are disposed in terminal grooves of the insulating housing. Each electric terminal includes a contacting end and a penetrating end. The connector is jointed with the insulating housing and can be opened and closed therewith. A plurality of wiring grooves is grooved on one side wall of the connector to correspond to the penetrating ends of the electric terminals. The side wall of the connector is adjacent to the insulating housing. Hatches are defined on one side of the wiring grooves. When the connector is closed, the electric terminals electronically contact the cable by penetration accordingly. Operation is easy, time is saved, and assembly is more convenient and faster.

Abstract: A structure for earphones with multiple sound tracks, includes an earphone casing, at least one first speaker, a second speaker and an adjusting member. The earphone casing has a plurality of outer-sound holes on the outside portion thereof. The speakers are disposed in the earphone casing. The speakers face outwards. The adjusting member is disposed on the earphone casing. The adjusting member has a plurality of adjusting holes corresponding to the outer sound holes of the earphone casing so that the adjusting holes of the adjusting member and the outer sound holes of the earphone casing can be aligned or staggered to reduce the sound pressure and reduce the discomfort for a user, thereby reducing hearing damage and loss. Furthermore the device has the functions of earphones, a loud speaker, a sound box and an earphone device with multiple sound tracks.

Abstract: A composite simple plug includes an insulating case, a plurality of terminals, a plug for an Internet line or a telephone line, and a fastener. The insulating case has a trough. The terminals are located in the insulating case and are exposed to the trough. The connector is located at the front end of the insulating case and electrically connected with the terminals. The fastener is located near the front end of the insulating case. The insulating case is suitable for a variety of plugs. The composite simple plug can be connected with a plug for an Internet line, or is connected with a linking element. The converting method is simple. The fastener firmly fastens the plug for an Internet line or the linking element so that the plug for an Internet line will not come away from the composite simple plug.

Abstract: An earphone device having composite functions at least has an earphone shell body, a loudspeaker, and an adjustment component. Several outer sound holes are disposed on the outer side of the earphone shell body. The loudspeaker is fixed in the earphone shell body. The loudspeaker is arranged outwards. The adjustment component is disposed on the earphone shell body. There are several adjustment holes corresponding to the outer sound holes of the earphone shell body on the adjustment component. The adjustment holes of the adjustment component can be controlled to be opposite to or be staggered with the outer sound holes of the earphone shell body. The earphone device is comfortable for use and can reduce pathological changes in ear and hearing decay to keep the human body healthy. Moreover, the earphone device has the functions of earphone, sound amplifier, and sound box.

Abstract: A winding reel device with an additional winding unit has a winding box with two cavities and a partition arranged therebetween, first and second reel plates rotatably disposed inside the two cavities, respectively, first and second connection wires lapped about the first and second reel plates, respectively, and first and second vortex springs connected between the first reel plate, the second reel plate and the winding box.

Abstract: An adjustable power plug adapter structure comprises an insulating case, a first inserted member, a second inserted member, and a plug. The insulating case has two side arms and a pivoting portion. The first and second inserted members are oppositely joined in the insulating case, and electrically connected. The plug is movably assembled to the insulating case. The plug has a third inserted member which is mated to the second inserted member. The plug has a sliding groove on its side, and the sliding groove corresponds to the first pivoting portion. Making use of this structure, the insulating case, the first inserted member, and the second member form an adjustable power plug adapter. When one adjustable power plug adapter is not used, it can slide and rotate away. The adjustable power plug adapters can be assembled together to correspond to a variety types of receptacles.

Abstract: A transfer plug for a variety of sockets includes an insulating shell, a first and a second connectors and a signal plug. The insulating shell has two side arms and a first pivoted portion. The first and the second connectors correspondingly combine with the insulating shell respectively and are electrically connected. The signal plug movably connects to the insulating shell and has a third connector connecting to the second connector. The signal plug has a gliding groove in a lateral edge thereof. The insulating shell combines with the first and second connector to form a transiting plug. The signal plug can slidably move and turn in different directions in an unused state. The signal plug can be used alone and doesn't need to be disassembled. The transiting plug can be repeatedly connected to other transiting plugs and converted into a multitasking transfer plug with different specifications and types of sockets.

Abstract: A wire-winding device for two kinds of cables is described. The device has a base, two winding plates, two communication cables and a volute spring. The two winding plates are arranged inside the base, the two communication cables are rolled around the two winding plates, respectively, and the volute spring is connected between the two winding plates. The wire-winding device can be used with various plugs and earphones for broad application.

Abstract: A compound conversion plug structure with an adjustable angle includes an adapter and a plug component. The adapter includes an outer shell, a moving block, a plurality of transfer pieces, a plurality of metal inserting pieces, and a plurality of engaging pieces. The moving block defines a guiding groove thereon, and protruding pieces defined on the transfer pieces respectively are set in the guiding groove, the metal inserting pieces are assembled with the transfer pieces, one end of which extends out of the outer shell, and additional ends of the metal inserting pieces engage with the engaging pieces respectively. Because of the structure of the moving block and the transfer piece of the adapter, the metal inserting pieces can be inserted into two types and standards of sockets. Hence, the adapter provides multiple changes to suite actual needs.

Abstract: A mobile transforming plug includes an insulating main body, a shell cover, a linking element and a linker. At the front side of the insulating main body, a connecting part is formed. A carrying part is formed at the rear side of the insulating main body. There is a connection area on the carrying part. The front two sides of the insulating main body each have a concave slot and a wedging-buckling end. A wedge extends from each of the two sides of the shell cover. The wedges are positioned in the concave slots and are wedged movably at the wedging-buckling end. The linking element is located at the connection area and connected with the pins. The linker is linked with the linking element. Thereby, the plug is plugged movably with the Internet or telephone plug. It can be plugged movably with the external plughole of electronic information products.

Abstract: A cable structure with a solar-powered layer includes a cable and at least one solar-powered photoelectric layer. The solar-powered photoelectric layer is disposed on a periphery of the cable. The solar-powered photoelectric layer is electrically connected to a conductor, so that the cable structure can absorb solar energy and convert it into electricity. The present invention reduces the amount of power that needs to be drawn from a power grid.

Abstract: A modular plug device includes an adapter and a plug. The adapter has an insulating casing and a locking button. The insulating casing has two side arms and is provided with pivoting portions. One side arm is provided a projecting portion on the surface of the inner edge thereof. The locking button is movably provided on the two side arms. The plug is movably assembled with the adapter. The side edges of the plug are formed with sliding grooves to correspond to the pivoting portions. The projecting portions are stopped and positioned by the front ends of the sliding grooves when the inner surface of the locking button abut against the outer surface of the side arm. Therefore, when the plug is assembled with the adapter they can be reliably locked together without the risk of loosening or detaching, thereby achieving a secure electrical connection.

Abstract: A composite simple plug comprises an insulation case, a plurality of terminals, a connector, and a plug of a network line or a plug of a phone line. The insulation case has a trough. The terminals are set in the insulation case and appeared on the trough. The connector is set in the front of the insulation case. The connector is connected electrically to the terminals. Make use of this, the insulation case can be applied to switch all kinds of plugs. The composite simple plug can connect with a plug of a network line or a connecting unit to connect with all kinds of plugs of a phone line. It makes the plug of a phone line be switched to the plug of a network line. The composite simple plug provides a function of simply switching and it is more convenient for using.

Abstract: A composite simple plug includes an insulating case, a plurality of terminals, a plug for an Internet line or a telephone line, and a fastener. The insulating case has a trough. The terminals are located in the insulating case and are exposed to the trough. The connector is located at the front end of the insulating case and electrically connected with the terminals. The fastener is located near the front end of the insulating case. The insulating case is suitable for a variety of plugs. The composite simple plug can be connected with a plug for an Internet line, or is connected with a linking element. The converting method is simple. The fastener firmly fastens the plug for an Internet line or the linking element so that the plug for an Internet line will not come away from the composite simple plug.

Abstract: A composite simple plug comprises an insulation case, a plurality of terminals, a connector, and a plug of a network line or a plug of a phone line. The insulation case has a trough. The terminals are set in the insulation case and appeared on the trough. The connector is set in the front of the insulation case. The connector is connected electrically to the terminals. Make use of this, the insulation case can be applied to switch all kinds of plugs. The composite simple plug can connect with a plug of a network line or a connecting unit to connect with all kinds of plugs of a phone line. It makes the plug of a phone line be switched to the plug of a network line. The composite simple plug provides a function of simply switching and it is more convenient for using.

Abstract: A foldable USB connection port includes a body and a plurality of USB ports. The body includes a plurality of first connection parts and the USB ports respectively have a second connection part. The second connection parts of the USB ports are respectively and movably installed on the first connection parts of the body. The body is a USB hub or a laptop. Thereby, the user can movably adjust the angle of the USB port to avoid the problem that two adjacent USB ports cannot be plugged with the peripherals simultaneously due to the dimensions of the peripheral.

Abstract: A winding reel device with an additional winding unit has a winding box with two cavities and a partition arranged therebetween, first and second reel plates rotatably disposed inside the two cavities, respectively, first and second connection wires lapped about the first and second reel plates, respectively, and first and second vortex springs connected between the first reel plate, the second reel plate and the winding box.

Abstract: The present invention provides a universal serial bus (USB) voltage transformer, which comprises a main body, a transformer circuit unit, and several connectors. The transformer circuit unit is disposed in or at the inside of the main body. The connectors are electrically connected to the transformer circuit unit directly or via a connection cable. A USB voltage transformer having travel charging function is thus formed. The USB voltage transformer of the present invention can simultaneously charge several portable electronic devices like mobile phones, personal digital assistants, electronic translators, and small cameras.

Abstract: A side-rotation transforming plug includes an insulating main body, a plurality of pins and two transforming elements. A plurality of pin slots are located at the front side of the insulating main body. The plurality of pins are located in the pin slots. The two transforming elements are pivoted at the two sides of the insulating main body by a side-rotation method. The two transforming elements can be rotated and adjusted according to the requirements. Thereby, the plug of the present invention makes the insulating main body with a single dimension transform into two formats by using a side-rotation method. Therefore, it is suitable for multiple formats and reduces manufacturing costs. It is very easy to transform the plug's format.