CN101461104A

CN101461104A - Electrical plug with rotatable pins

Info

Publication number: CN101461104A
Application number: CNA2007800205917A
Authority: CN
Inventors: 齐赫尼·亚尔钦
Original assignee: THINPLUG Ltd
Current assignee: THINPLUG Ltd
Priority date: 2006-04-03
Filing date: 2007-04-03
Publication date: 2009-06-17
Anticipated expiration: 2027-04-03
Also published as: CN101461104B; GB2436899A; GB2436899B; GB0606772D0

Abstract

The invention relates to an improved design of a three-pin electrical plug (1). In one embodiment of the plug of the invention, one of the pins of the plug is a movable pin (5) connected to the body (2) by a connecting element. The movable pin is movable between an operating position and a storage position. In the operative position, the plug may be inserted into a standard three-pin socket (such as one in accordance with BS 1363). The overall size of the plug is reduced when the movable pin is moved from the operating position to the storage position. This means that the plug of the present invention can be stored more conveniently than a conventional three pin plug.

Description

The plug that has rotatable pin

Technical field

The present invention relates to a kind of improvement design of three pin plugs.

Background technology

Three traditional pin plugs comprise a main body, and three pins all are connected on this main body, and three pins are all outside this main body is pointed to.In UK, this traditional plug is according to BS1363.In this traditional design, three pins all are fixed on the position with respect to main body.This layout represents that three traditional pin plugs have taken big relatively, fixing volume.

Because modern electric device becomes more and more littler as palmtop PC or notebook computer, the cumulative volume that is taken by three traditional pin plugs becomes the part that becomes more and more important in the volume that device self takies.When in same packing, depositing this electric device and plug (it for example can be connected to a power line), will present a special problem.This problem is by so true extended, and this fact is that three traditional pin plugs take shape and are similar to cubical volume, and its three dimensions have approximately uniform length.This with used the electric device of this plug to present a contrast, notebook computer for example, it is tending towards having the slightly little one dimension of bidimensional in addition.As a result, the one dimension of the minimum of three traditional pin plugs is longer than the one dimension of the minimum of electric device self usually.This packing that means be used for packing into electric device and three pin plugs may have the one dimension of being set by plug self, and may be necessary wideer than the electric device of only packing into.

Summary of the invention

According to an aspect of the present invention, provide a kind of plug, comprising:

Three pins;

One Connection Element; And,

One main body; Wherein,

One of described pin is rotationally attached to described Connection Element, and described Connection Element is rotationally attached to described main body.

This makes the shape of this plug be changed by the relative motion with respect to a pin of main body, for example, moves movable pin to a deposit position from an operating position.

According to another embodiment of the present invention, two in three pins is not the pin that is rotationally attached to described Connection Element (hereinafter referred to as " movable pin "), is fixed on the described main body but adhere to.The longitudinal axis of these two fixing pins forms a plane, and described movable pin can fold, thus it at deposit position than it the longitudinal axis during at operating position more near this plane.

Movable pin can be by the relative rotation of Connection Element, activity between deposit position and operating position.According to another embodiment, when movable pin during at operating position, the longitudinal axis of Connection Element during at operating position, more approaches the longitudinal axis quadrature of connected described movable pin at movable pin than it.This has such advantage, and when movable pin during at deposit position, more movable pin is when moving position, and the longitudinal axis of movable pin and Connection Element can more closely be in line, thereby, reduce the overall size of Connection Element/movable pin assembling.

According to one embodiment of present invention, when movable pin during at operating position, the ultimate range along the vertical direction on described plane between plane that is limited by the longitudinal axis of two other pin and the movable pin is bigger than the ultimate range along the vertical direction on described plane between plane that is limited by the longitudinal axis of two other pin during at deposit position when movable pin and the movable pin.Adopt this structure, when movable pin during at deposit position, one of overall size of three pin plugs of the present invention at least than when movable pin little during at operating position.Like this, when movable pin during at deposit position than when movable pin during at operating position plug can be more flat.

At deposit position, the longitudinal axis of movable pin preferably roughly is located in the plane that the longitudinal axis by two other pin limits.Three pins of this expression can be accumulated with one to be put, and this volume has than the littler minimum dimension of depositing as the required volume of three pins of those traditional plug arrangement of minimum dimension.In another embodiment, when movable pin during at deposit position, the longitudinal axis of all three pins is generally parallel, so that the minimum dimension of the required volume of three pins of minimum storage.

In other embodiments, when movable pin was positioned at deposit position, the longitudinal axis of three pins can only point to approximately uniform direction.This can help reducing the thickness of plug when movable pin is positioned at deposit position in movable pin is attached to the example of main body one end, this main body one end is not positioned at and the fixing identical plane of the longitudinal axis of pin.Preferably, when movable pin was positioned at deposit position, within 30 °, preferably, when movable pin was positioned at deposit position, the longitudinal axis of three pins was each other within 10 ° each other for the longitudinal axis of three pins.

In another embodiment, when movable pin was positioned at deposit position, the longitudinal axis of Connection Element was parallel to or almost is parallel to the longitudinal axis of movable pin, so that Connection Element also roughly is positioned at the plane that the longitudinal axis by other two pins forms.According to another embodiment, when movable pin was positioned at deposit position, the longitudinal axis of described pin was in 30 ° of the longitudinal axis of Connection Element.Help the general thickness that fixedly reduces plug on the direction on the plane of the longitudinal axis of pin perpendicular to two like this.

Preferably, when movable pin was positioned at deposit position, all three pins and Connection Element roughly were positioned at identical plane.In addition, in another embodiment of the present invention, the main body of plug can be formed so that its perpendicular to fixedly the size on the direction on the plane that forms of the longitudinal axis of pin is less relatively by two so that when movable pin is positioned at deposit position, whole plug equipment general flat.

When movable pin was positioned at operating position, three pins of plug were positioned at the toward each other position identical with the pin of conventional three pin plugs.In another embodiment, the relative position of pin is identical with standard UK plug among those BS 1363.In another embodiment, the shape of three pins among the shape of pin and the BS1363 is identical, so that when movable pin was positioned at operating position, plug of the present invention can be inserted into the standard UK socket according to BS 1363.

According to another embodiment, when movable pin was movable between deposit position and operating position, Connection Element rotated with respect to main body.This makes Connection Element parallel or almost be parallel to by two fixing positions on the plane that forms of the longitudinal axis of pin at its longitudinal axis, and its longitudinal axis to be not parallel to by two be folding between the position on the plane that forms of the longitudinal axis of pin fixedly.

According to a further aspect in the invention, the plug that provides comprises three pins and main body, the overall size of plug on the direction that is defined the plane that limits perpendicular to the longitudinal axis wherein by two pins, when plug is positioned at mode of operation, bigger when being positioned at storage configuration than plug, and wherein the longitudinal axis two pins forming described plane are fixed with respect to main body.Therefore, when plug by mode of operation when deposit position moves, have at least the overall size of one three pin plug to be reduced, to deposit plug easier thereby make.

According to a further aspect in the invention, one plug is provided, comprise three pins, one of them pin can be from the primary importance activity to the second place, and the longitudinal axis of described movable pin is in identical substantially direction in primary importance and the second place with respect to the main body of this plug.The motion of movable pin only can comprise with respect to the main body rotation, only with respect to the main body translation or with respect to the combination of main body rotation and translation.In one embodiment, primary importance can be an operating position, and the second place can be a deposit position, and wherein, the overall size of this plug is little than at operating position the time at deposit position.This make deposit the required packing of this plug have than three traditional pin plugs or according to the present invention movable pin in the littler minimum dimension of the required packing of the plug of operating position.

According to a further aspect in the invention, provide plug adapter, and on main body, further comprise two openings just like foregoing description.This plug adapter makes traditional two pins plug (for example using in the U.S. or Continental Europe) can be inserted into three traditional pin sockets (for example using in Britain, Malay Archipelago, Singapore, Hong Kong, Malta, Cyprus or Ireland), kept it simultaneously and can be stored than depositing the advantage of a traditional two pins in the volume of the littler minimum dimension of the required minimum dimension of three pin plug adapters.

According to a further aspect in the invention, provide a plug adapter, comprise two pins and two openings, hold the mobilizable uncertain pin of standard three pin plugs.In one embodiment, standard three pin plugs can be UK (Britain) plugs.Here the arbitrary plug among the embodiment of the plug of Miao Shuing can be used in this plug adapter, so that the electric installation that is suitable for one or three pin plugs can use in the country with two pins socket, and need not the adapter of three pins of a large volume to the two pins plug.

Plug of the present invention can meet the scope of application.For example, according to an aspect of the present invention, provide a kind of charhing unit, be included in a plug and a cable among arbitrary embodiment that the application describes, this cable is fit to be inserted into an electrical installation.This charhing unit further comprises an electric charging device that is complementary, and it partly or entirely can be set in the main body or shell of plug.In another embodiment, this charging device can be set outside the shell of plug.This charging device for example can be used in to a mobile phone, a PDA, a radio system, a MP3 player, a notebook computer, a palmtop PC or GPS device charging.This folding or mobilizable pin represents that this charger can be folded, thereby more flat than three traditional pin chargers.

According to another embodiment, the plug of foregoing description can be connected to first end of a cable, and its second end with it is connected to a transformer and is used to the electric equipment power supply, for example uses on the notebook computer.In another embodiment, second end of this cable can be connected to an electrical socket that is used to insert electric equipment.In two kinds of situations, this folding or mobilizable pin represents that this plug and cable machinery can be to deposit than similar tradition three pin plugs and the more flat volume of cable machinery.

Description of drawings

Only by example the present invention is described in conjunction with the accompanying drawings, wherein:

Fig. 1 is according to an aspect of the present invention at the 3-D schematic diagram of three pin plugs of deposit position;

Fig. 2 is according to an aspect of the present invention at the 3-D schematic diagram of three pin plugs of operating position;

Fig. 3 A is according to the end view of one embodiment of the invention at three pin plugs of operating position;

Fig. 3 B is according to the vertical view of one embodiment of the invention at three pin plugs of operating position;

Fig. 4 A is according to the end view of one embodiment of the invention at three pin plugs of deposit position;

Fig. 4 B is according to the vertical view of one embodiment of the invention at three pin plugs of deposit position;

Fig. 4 C is according to another embodiment of the present invention at the end view of three pin plugs of deposit position;

Fig. 5 is the 3-D structural representation according to the inside of the three pin plugs of one embodiment of the invention;

Fig. 6 is the 3-D decomposing schematic representation according to the inside of the three pin plugs of one embodiment of the invention;

Fig. 7 is the 3-D decomposing schematic representation of an embodiment, and wherein movable pin has a ledge, and Connection Element has a groove;

Fig. 8 A is according to three pins of one embodiment of the invention 3-D schematic diagram to the plug adapter of two pins;

Fig. 8 B for the embodiment that inserts three pin plugs of the present invention according to three pins of one embodiment of the invention schematic diagram to the plug adapter of two pins;

Fig. 9 A is according to the two pins of one embodiment of the invention 3-D schematic diagram to the plug adapter of three pins;

Fig. 9 B for insert traditional two pins plug according to the two pins of one embodiment of the invention schematic diagram to the plug adapter of three pins;

Figure 10 is the phone-charger according to one embodiment of the invention;

Figure 11 A-H is the further embodiment of the present invention;

Figure 12 A-E is the present invention's one adapter or a charger;

The changeable plug that Figure 13 A-F uses in cover parts for the present invention;

Figure 14 A-B has three pin plugs of a braking member for the present invention;

The charger body that Figure 15 uses in cover parts for the present invention;

Figure 16 A-C for the present invention deposit with operating position one the assembling charhing unit;

The rotation pin that has a braking member that Figure 17 uses for the present invention;

Figure 18 is that the present invention is at three pin plugs deposit position, that adopt overmolded.

Embodiment

Embodiment shown in now inciting somebody to action in conjunction with the accompanying drawings describes the present invention, and wherein same reference marker refers to identical or similar parts.

Fig. 1 and 2 illustrates a plug (1), and main body that it has or shell (2) have a upper surface (2A) and a lower surface (2B), also has three pins (3,4,5).In this was described, word " pin " referred to the parts of a plug, and it is used for being inserted into a socket.One of electricity pin is movable pin (5), and it is connected on the main body by a Connection Element (6), and promptly it is not to be fixedly connected to main body.This Connection Element is different from main body.

Movable pin (5) has a near-end (5A) and a far-end (5B), and Connection Element (6) has a near-end (6A) and a far-end (6B).In this embodiment, the near-end (6A) of Connection Element (6) is rotatably installed in or is articulated on the main body (2), and the near-end (5A) of movable pin (5) rotatably connects or be articulated in the far-end (6B) of Connection Element (6).

In this embodiment, two pins (3,4) are connected on the main body (2), and are fixed on the suitable position with respect to it, promptly they be not designed to operate by operating personnel free movable.

The present invention has reduced and has deposited the volume required minimum dimension of three pin plugs.In one embodiment, this purpose is by being movable realizing in primary importance that is equivalent to operating position and one of the pin that is equivalent between the second place of deposit position.Wherein at operating position, the pin of this plug has identical layout with those three traditional pin plugs (for example using in Britain, Malay Archipelago, Singapore, Hong Kong, Malta, Cyprus or Ireland); At deposit position, the volume of depositing that three pin plugs of the present invention take has less minimum dimension.

In the embodiment shown in the figures, when movable pin (5) during at operating position, the longitudinal axis of whole three pins (3,4,5) is in line, and movable pin (5) further extends forward than other two pins.Promptly, the top of movable pin (5) than two fixedly pin (3,4) to stretch out the plane farther, this plane is perpendicular to two fixing pins (3,4) the longitudinal axis and through the point of the most close front end of main body (2) has the situation of three traditional pin plugs as foundation BS1363.In the operation of plug (1), this structure can make movable pin (5) two fixedly pin (3,4) enter a Three-hole socket before, thereby be two fixedly pins (3,4) open the contact door, as the function of foundation BS 1363 grounding pin in the operation of traditional UK socket.

According to another embodiment, one plug (1) comprises three pins (3,4,5) and a main body (2), wherein work as this plug under mode of operation, on by the direction that the plane limited that limits perpendicular to the longitudinal axis by two pins (3,4), the overall size of this plug is bigger under storage configuration than this plug, and two pins (3 wherein, 4), its longitudinal axis forms described plane, and main body is fixed relatively.

In an illustrated embodiment, Connection Element (6) rotatably be installed to by first rotation axis (7) or with hinge joint to main body (2), as shown in accompanying drawing 5, so that it can be about a rotation, this is parallel to by two fixing pins (3,4) plane that the longitudinal axis forms, and perpendicular to two fixing pins (3,4) vertically.Among the embodiment shown in the figure, this axle is between the lower surface (2B) of main body (2) and the plane that formed by the longitudinal axis of two fixing pins (3,4).In other embodiments, this axle can be between the upper surface (2A) of main body (2) and the plane that is formed by the longitudinal axis of two fixing pins (3,4), and perhaps it can be positioned on the plane that the longitudinal axis by two fixing pins (3,4) forms.

Movable pin (5) can be at its near-end (5A), be installed to rotatably or with the far-end (6B) of hinge joint by second rotation axis (8), so that it can be about the axle rotation or the pivot joint of the parts almost parallel relevant with Connection Element (6) rotation to Connection Element (6).

In another embodiment, movable pin (5) is articulated in the far-end (6B) of its near-end (5A), Connection Element (6) by second rotation axis (8), so that it can be about the axle rotation or the pivot joint of the parts approximate vertical relevant with Connection Element (6) rotation.

In an illustrated embodiment, when movable pin (5) in operation with during deposit position, the distance of one ledge of the longitudinal axis of the movable pin (5) on the plane that the longitudinal axis by two fixing pins (3,4) forms and the longitudinal axis of two fixing pins (3,4) equates.In other embodiments, when movable pin (5) during at deposit position, one ledge of the longitudinal axis of the movable pin (5) on the plane that is formed by the longitudinal axis of two fixing pins (3,4) may be unequal with the distance of the longitudinal axis of two pins (3,4).

In other embodiments, when movable pin (5) during at deposit position, a ledge of the longitudinal axis of the movable pin (5) on the plane that the longitudinal axis by two fixing pins (3,4) forms may be uneven with the longitudinal axis of two pins (3,4).

In other embodiments, when movable pin (5) during at deposit position, a ledge of the longitudinal axis of the movable pin (5) on the plane that the longitudinal axis by two fixing pins (3,4) forms may be vertical with the longitudinal axis of two pins (3,4).

In other embodiments, Connection Element (6) may comprise a plurality of parts.These parts can be rotated independently.

Fig. 1 and Fig. 4 B show when the layout according to the plug of the embodiment of the invention of movable pin (5) during at deposit position.Just as seen in Fig., when plug for this reason during structure, the longitudinal axis of movable pin (5) and Connection Element (6) are in line.

By one of pin between an operating position and a deposit position is movable, and the present invention allows to deposit change to some extent on required shape and/or the volume at three pin plugs.Therefore, in other embodiments of the invention,, need not to make the movable pin (5) and their longitudinal axis of Connection Element (6) to be in line when movable pin (5) during at deposit position.For example, when movable pin (5) during at deposit position, the near-end (6A) of Connection Element (6) can be positioned at the position near the lower surface (2B) of main body (2), and the far-end (5B) of movable pin (5) is positioned at the top (promptly more near the upper surface (2A) of main body (2)) of the near-end (6A) of Connection Element (6), shown in Fig. 4 C.

Selectively, the near-end (6A) of Connection Element (5) can be positioned at the position near the upper surface (2A) of main body (2), and the far-end (5B) of movable pin (5) is positioned at the below lower surface (2B) of main body (2) (promptly near) of the near-end (6A) of Connection Element (6).In both of these case, the longitudinal axis of movable pin (5) and Connection Element (6) is not in line, it is similar to Fig. 1 and the required volume of 4B embodiment that but plug is deposited volume required whole of deposit position, and the longitudinal axis of movable pin (5) and Connection Element (6) is in line in as Fig. 1 and 4B.

In another embodiment, when movable pin (5) during at deposit position, its longitudinal axis is approximately perpendicular to two fixedly longitudinal axis of pin (3,4), and is roughly parallel to two fixedly planes of forming of the longitudinal axis of pin (3,4).Preferably, when deposit position, the longitudinal axis of movable pin (5) than when operating position more near two fixing pins (3,4) plane that the longitudinal axis forms, and more preferably, the longitudinal axis of movable pin (5) generally is positioned in two same planes that fixedly longitudinal axis of pin (3,4) forms when deposit position.

In order to reduce the minimum dimension of depositing volume of plug, when movable pin (5) during at deposit position, its longitudinal axis can roughly be positioned at and two fixing identical planes of the longitudinal axis of pin (3,4).The longitudinal axis of Connection Element (6) also can roughly be positioned at same plane, and when the deposit position, whole three pins (3,4,5) and Connection Element (6) form a generally flat device with the movable pin of box lunch (5).In another embodiment, when movable pin (5) during at deposit position, the axle of movable pin (5) and Connection Element (6) with two fixedly the longitudinal axis of pin (3,4) become 30 degree with interior angle.In another embodiment, when movable pin (5) during at deposit position, the longitudinal axis of movable pin (5) and Connection Element (6) and two the fixedly longitudinal axis of pin (3,4) become 10 degree with interior angle.

In one embodiment, have not by two fixing pins (3, the axle of first rotation axis (7) in the plane that the longitudinal axis 4) forms, in order to improve packing, have and be not parallel to two fixedly pins (3, the movable pin (5) of the longitudinal axis 4) and/or the longitudinal axis of Connection Element (6) are favourable, shown in Fig. 4 A.

In the embodiment shown in Fig. 1-4, shell (2) has a recess (9), wherein by using first rotation axis (7) that the near-end (6A) of element (6) is installed.Recess (9) comprises that a section shrinks (10), so that the recess of locating at the lower surface (2B) of main body (2) (9) is wideer at the upper surface (2A) of main body (2) than it.This makes that the far-end (5B) of movable pin (5) and the near-end (6A) of rotatably mounted Connection Element (6) can be placed on the wide portions of recess (9) when movable pin (5) during at deposit position.Section shrinks (10) and guarantees that also recess (9) has required width and rotatablely moves about the axle that is limited by first rotation axis (7) to allow Connection Element (6), but does not have wide Connection Element (6) transverse movement in the recess (9) that allows main body (2).In an illustrated embodiment, perpendicular to by two fixedly the center line of the narrow of the recess of the direction on the plane that forms of the longitudinal axis of pin (3,4) compare another fixedly pin (4) more near fixing one of pin (3).In other embodiments, perpendicular to by two fixedly the center line of the narrow of the recess of the direction on the plane that forms of the longitudinal axis of pin (3,4) and two fixedly the longitudinal axis of pin be equidistant.

In addition, in embodiment as illustrated in fig. 1 and 2, when movable pin (5) is movable between deposit position and operating position, section shrinks or ladder (10) act on movable pin (5) so that about by connect that second rotation axis (8) of movable pin (5) to Connection Element (6) limit spool, rotate the longitudinal axis of movable relatively pin (5) and Connection Element (6) each other, thereby separate movable pin (5) and Connection Element (6), so that the movable pin of picture (5) is moved to operating position, they can be moved more easily independently.

In the embodiment shown in Fig. 1-4, when movable pin (5) during at operating position (as shown in Figure 2), the position of Connection Element (6) by with the rear surface decision of the Connection Element (6) of rear surface (11) engagement of recess (9).Preferably, Connection Element (6) rotation about first rotation axis (7) be positioned at position near the lower surface (2B) of main body (2), so that when operating position, the big contact area of existence between the rear surface (11) of the rear surface of Connection Element (6) and recess (9), thereby increased the support of Connection Element (6) and the globality and the life-span of having improved plug construction.

In another embodiment, when movable pin (5) during, there is the snap fit part (snap fitting) of the position of the element (6) that is located by connecting at operating position.The snap fit part can be included in the recess on main body (2) or the Connection Element (6), and during in its desired position of operating position, insert the ledge on the another one of main body (2) or Connection Element (6) of this recess at movable pin (5) when Connection Element (6).

In an illustrated embodiment, when movable pin (5) during at operating position, for example shown in Figure 2, the longitudinal axis of Connection Element (6) is approximately perpendicular to two fixedly pins (3,4) plane that the longitudinal axis forms, and the longitudinal axis of movable pin (5) is approximately perpendicular to the longitudinal axis of Connection Element (6).In other embodiment, when movable pin (5) during at operating position, Connection Element (6) may be not orthogonal to by two fixing planes of limiting of the longitudinal axis of pin (3,4), and when operating position, the longitudinal axis of movable pin (5) also may be not orthogonal to the longitudinal axis of Connection Element (6).Only requirement is, at operating position, three pins are arranged so that they can be inserted in the three traditional pin sockets, for example according to of BS 1363.

In the embodiment shown in Fig. 4 B, at deposit position, movable pin (5) and Connection Element (6) from main body (2) along with two fixedly the roughly the same direction of pin (3,4) stretch out.In optional embodiment, main body (2) can have a kerf at the upper surface (2A) or the lower surface (2B) of main body (2), and when pin (5) during at deposit position, Connection Element (6) and movable pin (5) rotate into this otch.This otch can or can not articulate the recess (9) that element (6) are installed with inside and be connected.When Connection Element (6) and movable pin (5) are stored at this otch, movable pin (5) is about the angle rotation of one approximate 180 ° of rotations, this axle is parallel to and comprises two fixedly pins (3, the plane of the longitudinal axis 4), and when activity between deposit position and operating position, perpendicular to two fixing axles of pin (3,4).In another embodiment, this rotation should be between 150 ° to 210 °.

Movable pin (5) can comprise a ledge (12), as shown in Figure 7.This ledge (12) is at a groove (13) internal motion, this groove (13) is formed in the Connection Element (6), so that when first end (13A) of ledge (12) and groove (13) when engaging, Connection Element (6) to the relative position of movable pin (5) with identical during at operating position when it.May also form groove (13) so that when second end (13B) of ledge (12) and groove (13) when engaging, Connection Element (6) to the relative position of movable pin (5) with when they are identical during at deposit position.Like this, the relative position of Connection Element (6) and movable pin (5) is limited to deposit position and operating position by ledge (12) and groove (13).In optional embodiment, ledge (12) can be positioned on the Connection Element (6), so that motion in its groove (13) on movable pin (5).

In embodiment as shown in Figure 3A, Connection Element has a stopper (14), and it stops Connection Element (6) to be further rotated away from operating position.In embodiment as shown in Figure 3A, there is the Connection Element (6) of the near-end (14) at angle to realize by having one, when movable pin (5) when moving to deposit position, it partly or entirely rotates with the rear surface (11) of recess (9) and engages.Like this, when movable pin (5) during at deposit position, the direction of the longitudinal axis of Connection Element (6) can be fixed.

As shown in Figure 6, one or two the had bias unit (15,16) in movable pin (5) and the Connection Element (6) is so that they are setovered to operating position by deposit position.This bias unit comprises spring (15,16).In the embodiment shown, first bias unit (15) biasing Connection Element (6) is so that its first rotation axis (7) that is biased to be connected to main body (2) around the near-end (6A) with Connection Element (6) rotates to operating position by deposit position.Equally in the embodiment shown, second bias unit (16) the movable pin (5) of setovering, so that it is biased with the longitudinal axis around the connecting axle (8) of the far-end (6B) that the near-end (5A) of movable pin (5) is connected to Connection Element (6), relative position from movable pin (5) to the Connection Element that is positioned at deposit position (6) rotates to movable pin (5) to the Connection Element 6 that is positioned at mode of operation) relative position.Different embodiment can have one, two or do not have or other arrangements of first and second bias unit.

For movable pin (5) and Connection Element (6) are remained on deposit position, can use limiter (17).In the embodiment shown in Fig. 5, limiter or restraint device (17) have prevent Connection Element (6) by deposit position to first extension (17A) of operating position motion with prevent second extension (17B) that movable pin (5) is moved to operating position by deposit position.This restraint device (17) is biased device (18), and such as being spring, biasing is to a position, and movable pin (5) and Connection Element (6) are prevented from being moved to operating position by deposit position in this position.Among the restraint device (17) of finishing this function can be used to the to have bias unit embodiment of (15,16), with movable pin (5) and Connection Element (6) by the deposit position biasing to operating position, also can be used among the embodiment of this bias unit not.

Such as, movable pin (5) can be grounding pin.In other embodiments, movable pin (5) can be live pins or neutral pin.At movable pin (5) is under the situation of grounding pin, and it can (part or all of) be made by non-conducting material, such as plastics or carbon fiber.For example, the electronic installation in many modern times uses the plug do not have earth connection, and it is that live pins and the neutral pin of three pin plugs opened and contact that its grounding pin only is used for.In the case, non-conducting material can be used to grounding pin.In another embodiment, movable pin can partly or entirely be made of metal.

In one embodiment, two fixedly pin (3,4) can be live pins and neutral pin, and can partly or entirely be made of metal.In one embodiment, two fixedly pin (3,4) have the part the metal surface and the part insulating surface.

Main body (2) can be by double insulation (double insulated).In addition, main body (2) can be for placing the shell of fuse.

In another embodiment, main body or shell (2) can comprise two or more parts.These two or more parts can use fastener to connect, adhere to or be secured together.This fastener can be the part of two or more parts of main body or shell (2), and such as clip, perhaps this fastener can be located away from two or more parts of main body or shell (2), such as one or more screws.

Preferably, main body (2) is perpendicular to by two fixing pins (3, maximum height on the direction on the plane that 4) the longitudinal axis forms less than two fixedly pin (3,4) perpendicular to by two fixing three times of the height on the direction on the plane that forms of the longitudinal axis of pin (3,4).In another embodiment, main body (2) is perpendicular to by two fixing pins (3, maximum height on the direction on the plane that 4) the longitudinal axis forms should be up to two fixedly pin (3,4) perpendicular to by two fixing pins (3, five times of height on the direction on the plane that 4) the longitudinal axis forms, and still keep on top, such as when movable pin (5) during, have one than the thinner plug of conventional three pin plugs at deposit position.

In another embodiment, a cable is stretched from main body (2), and this cable is connected on the electrical contact of plug at its first end.Second end at cable can have, and for example, another plug or socket are to be directly connected to electric equipment.In this embodiment, plug of the present invention, cable and another plug or socket form a power cable device.Alternatively, second end of cable can be connected to transformer, to reach the purposes of power source conversion to electric equipment.

According to the another aspect of the present invention shown in Fig. 8 A and the 8B, adapter jack (19) is provided, be used to allow above-mentioned three pin plugs to be used in conventional two pin sockets of other countries.Because this adapter only needs two holes (20) holding two pins (3,4) except that movable pin (5), rather than all three pins, so this adapter is littler to pair pin adapters than three conventional pins.This adapter (19) has two holes (20) in a side, and has two pins (21) at opposite side.In the embodiment shown, the surface of the main body (22) of this adapter (19) is positioned at the offside on surface in two holes of formation of this main body (22), and adapter wherein (19) extends two pins.In adapter (19) inside, in hole (20), can have electrical connection, when three pin plugs (1) are inserted into hole (20), be connected with its two pins (3,4).

When the embodiment of electric connector shown in the figure (1) is used for this adapter (19), when two fixedly pin (3,4) is inserted into adapter (19), the longitudinal axis of Connection Element (6) and movable pin (5) and two the fixedly longitudinal axis of pin (3,4) are not in line, and by instead of pointing to a direction, with allow two fixedly pin (3,4) be not subjected to the obstruction of Connection Element (6) and movable pin (5) and be inserted into adapter (19).Hole (20) in the adapter (19) can, such as, have and those live pins and necessary identical sizes of neutral pin of holding three conventional pin plugs, for example those are used in such as Britain, Malay Archipelago, Singapore, Hong Kong, Malta, Cyprus or Hibernian.Two pins (21) of adapter (19) can be identical with two pins of conventional two pin plugs, and for example those are used for the Europe or the U.S..This plug adapter (19), it takies littler volume than three traditional pins to two pin plug adapters, and above-mentioned movable pin (5) is added in the three pin plugs (1).

According to another aspect of the present invention shown in Fig. 9 A and the 9B, provide to allow two pin electric connectors (25) to be used for the electric adaper plug (23) of conventional three pin electrical outlets.This adapter (23) has the movable pin (5) of any plug described herein, and therefore shares the advantage of depositing of three pin plugs described herein.It also has two openings or hole (24) of two pins that can hold traditional double pin plug, for example is used for the Europe or the U.S..Main body (26) inside in this adapter (23) when two pin plugs are inserted into hole (24), can have electrical connection, and two pins of conventional two pin plugs contact with this electrical connection.Such adapter (23) will be useful when by the national whilst on tour of the country that uses two pin plugs to use three pin plugs, and this is because of not needing to buy conventional, bulky three pin adaper plugs.

According to a further aspect in the invention, provide the electric connector that comprises among the arbitrary embodiment that describes in the application and be applicable to the cable that is inserted into electric device.Embodiment shown in Figure 10 is applicable to operation phone-charger (27).In this embodiment, charging device is within the shell (28) of charger (27).The cable (29) that is connected to the electric connector in the shell (28) is attached on the shell (28), and has plug (30) and be connected to an end, can be inserted into the suitable socket on the mobile phone.This charger (27) has the folding or movable pin of describing about other embodiments of the invention (5) here, and this represents that this charger (27) can be folded so that its three pin chargers than routine are more flat.In another embodiment, can provide charging device in the outside of the shell of plug.Charger among the embodiment shown in Figure 10 (27) is to use for mobile phone, but in other embodiments, this charger can, such as, be applicable to PDA, broadcasting equipment, MP3 player, notebook computer, palmtop PC or the charging of GPS device and/or electric power be provided.

Figure 11 describes the further embodiment of plug of the present invention.Among the embodiment in Figure 11, several characteristic is added in the above-mentioned feature.These characteristics are especially, relevant with durability with fail safe that improves plug and raising availability.

The reciprocation how coherent description plug of Figure 11 A-11G is opened and describes the Connection Element 6 with fuse storage equipment especially, this storage equipment guarantees that fuse can be by not approaching when plug is positioned at the use location.

One groove 50 is provided in the main body, has been used for cloth holding fuse 55 there.In groove 50, provide connection, so that fuse 55 is electrically connected between live pins 4 and the cable that breaks away from plug in common mode.

Door or cladding element 60 are provided, and it moves (rotating) to the opening of crossing groove 50 by the position that may be connected to groove in the embodiment that describes, to cover the position of fuse 55 and associated terminal.This covering 60 can be provided with shutoff device, and such as the clip accessory, covering 60 can remain on closed condition usually to cover groove 50, unless it is opened by deliberate like this.The inside of groove 50 can be approaching with screwdriver or similar instrument, to change fuse 55.

Comparison diagram 11B-11E as can be known, in order to ensure covering 60 can not use at plug 1 (such as when it in socket) time is opened, Connection Element 6 is provided with lug boss 70 bottom it.The relative geometrical relation of plug 1 is such, and when Connection Element 6 was positioned at the use location, lug boss 70 was positioned on the covering 60, thereby prevents that covering 60 is opened when Connection Element 6 is positioned at the use location.This feature has greatly increased the fail safe of plug, and this is because it is provided with fuse, and has the feature that hinders the potential risk potential of contact or mobile insurance silk when plug 1 is inserted into socket.

The feature of the lug boss 70 on the Connection Element 6 also further provides the support of the Connection Element 6 that is positioned at the use location.The bottom prevents that Connection Element 6 from rotate the vertical position that reciprocation determined that surpasses by other parts of bottom 70 and covering 60 and/main body 2 further.This feature has increased the intensity of plug 1, especially when plug insertion socket, can apply big strength its position that is connected with main body 2 to Connection Element 6.

Further describing among Figure 11 is pan element 80, and it is attached to an end of movable pin 5, with respect to the end of the insertion socket of movable pin 5, and connects second 8 end at opposite side.This pan element 80 is carried out setting, so that it engages with the plate-like installation surface 82 of Connection Element 6 in the use location, thereby prevents that movable element 5 is further rotated the approximate horizontal level through movable pin 5.

Pan element 80 is made groove and is stretched the profile of ledge 85, is applicable to ergonomics, to help the user with respect to the movable pin 5 of Connection Element 6 rotations.Pan 80 towards making its interarea be approximately perpendicular to the longitudinal axis of pin 5.Therefore, the interarea of this pan element 80 engages with the installation surface 82 of the Connection Element 80 of the longitudinal axis that is roughly parallel to Connection Element 6.In addition, an end surface 83 of discoid element 80 engages with the pan element end mounted on surface surface 84 of Connection Element 6.The pan element end mounted on surface surface 84 of this Connection Element 6 is approximately perpendicular to the longitudinal axis of Connection Element 6.

Like this, by Figure 11 H as can be seen, see that from behind the aesthetic of plug 1 is fully improved, availability and intensity also are improved.This part is because pan element 80 also is because the special shape of Connection Element 6.This Connection Element 6 comprises two pans 62,64 that are positioned at movable pin 5 both sides.So, second 8 is passed through movable pin 5 then at first by first pan 62 of Connection Element, then is second pan 64 of Connection Element 6.When in the use location, this mechanical device is stashed from behind by pan element 80.This pan element 62,64 can independently be connected to main body 2 (among comparison diagram 1 embodiment first 7) separately, so that have two suitable axles in the main body, is equal to first 7 among Fig. 2.This makes rotatable pin 5 with respect to Connection Element 6 rotations, so that their longitudinal axis is consistent or parallel.In other words, at figure, the folding position shown in the 1A, an end of pin 5 is in fact in the axle of Connection Element 6 with respect to main body 2 rotations.

Last feature of the embodiment of Figure 11 is, provides flange 90 around the surface of main body, and it flushes with the socket maintenance when plug 1 inserts socket.Corresponding flange 92 is provided on the Connection Element.Because the hole that has increased socket is to the distance between the plug edge,, and do not increase the volume of main body 2 significantly so this

flange

90,92 has increased the fail safe of device.

Figure 12 A-E described with Figure 10 in similar charhing unit/power supply.Charhing unit/power supply potential shortcoming is among Figure 10, and when inserting socket, shell 28 stretches out and quite away from socket.Thereby, exist by the little power that puts on from socket shell 28 ends farthest, and be applied to the potential possibility of sizable power on the plug.Yet therefore more step minimizing of the quilt that the size of charhing unit can not be necessary exists potential challenges.This difficulty is overcome in the embodiment of Figure 12.

Figure 12 A is the vertical view in the use location, and how the different parts that Figure 12 B-E has described charhing unit move and to be assembled to the use location by deposit position.

Suitably, the feature of the embodiment of Figure 11 is synthesized the male component into charhing unit/power supply of Figure 12.

Contrast Figure 12 B and 12C can be clearly seen that the main body 2 of fixedly adhering to pin 3/4 is with respect to shell 28 rotations of the most of parts of charger of packing into.Like this, by shell 28 being designed to flat, common elongated shape, may reduce to be positioned at the thickness of the charhing unit/power supply of deposit position again.This by guarantee shell 28 unlike the thickness of main body 2 thick or thick be not to realize too much.Then, main body 2 is set to pass through one for approximate 90 ° with respect to shell 28 rotations, and this is roughly parallel to the axle of axle 7,8.Thereby when Connection Element 6 and movable pin 5 were moved to the use location, shell 28 had been rotated to a position, so that it is only to be equal to the outstanding socket of amount of its thickness (with respect to its length under the situation among the embodiment of Figure 10).This realizes by pin 3/4 can be rotated with respect to Connection Element with respect to shell rotation and movable pin, and this Connection Element itself can not rely on shell and with respect to pin 3/4 rotation yet.Like this, the fail safe of device further improves.The device of Figure 12 can be used to describe among Figure 10 related all functions.

Figure 13 has described six set of parts that different structures is used of the pin that is used for plug-in unit (100) (110) of the embodiment of the invention.This pin (110) is installed in fixed relationship on the main body (120).According to described embodiment, main body (120) is columniform, but in other embodiments, main body (120) can be different shape.

Complete part of the present invention comprises at least two plug-in units (100), and shell described in Figure 15 (130).Shell (130) such as can comprise fuse,, charger case (130) or power subsystem.For example, pin plug-in unit (100) can be by being used for charhing unit (130) with charhing unit (130) with combining of one of plug-in unit (100), as shown in figure 15.In case be inserted into, pin plug-in unit (100) will be to rotate with respect to shell (130) with the similar mode of the embodiment of Figure 12 between deposit position and operating position.The embodiment of Figure 14 also can form a plug-in unit, is used for complete part.

The every kind structure of pin (110) on different plug-in units (100) makes resulting plug can be used to the socket of certain specific countries (perhaps multinational family).The structure of pin (110) is not limited to those modes shown in the figure, so pin (110) is applicable to the socket of any country.Therefore plug-in unit (100) can comprise any amount of pin (110).

Plug-in unit (100) can be selected during fabrication and be changed, and perhaps can according to plug, charger or power subsystem the socket that is inserted into be selected and is changed by the user.

The described embodiments of the invention of Figure 14 A and 14B comprise the brake (140) that is used to locate movable pin (5) and/or Connection Element (6).This brake (140) can be located on the Connection Element (6), and can be movable simultaneously with Connection Element (6).Comprise brake (140) Connection Element (6) embodiment detailed view as shown in figure 17.

Brake (140) is used for locating the position of movable pin (5) with respect to the Connection Element that is positioned at operating position (6) by engaging with ledge (150) on the movable pin (5).Brake (140) is used like this to guarantee that the angle between movable pin (5) and the Connection Element (6) can not surpass predetermined maximum, such as 90 °.

Brake (140) is all right, or optionally, be used to engage the angle of guaranteeing between Connection Element (6) and the main body (2) and be no more than predetermined maximum, shown in Figure 14 B (wherein brake (140) engages with shell (160)) by part with main body (2).

The described embodiment of Figure 14 A and 14B has described as the brake (140) that is installed in the part of the Connection Element (6) on the shell (160) that can be inserted into charging main body (130) shown in Figure 15.The resulting charhing unit in Connection Element (6) back (170) of having introduced movable pin (5) and having had brake (140) is shown in Figure 16 A-C.

Brake (140) is used among other any embodiment of the present invention alternatively, Connection Element and the movable pin of relating to described herein.For example, movable pin (5) and comprise the Connection Element (6) of brake (140) on geometry as shown in figure 17, be directed in three pin plugs or the charhing unit.

As described in above Figure 11, Connection Element 6 is made up of two parts.This has several advantages, comprises that movable pin 5 can be located between the part that is in deposit position, and Connection Element 6 can be compressed slightly in its position that is attached to main body, with auxiliary assembling.

Embodiment illustrated in fig. 18 is plug usefulness, and such as insulating material, plastics for example are by overmolded (over-moulded).This feature can be used to any plug described herein or charhing unit.By overmolded, charged inside can be made as saferly such as fuse, plug or charhing unit, for example be made as waterproof.

Claims

1, a kind of plug comprises:

Three pins;

One Connection Element; And

One main body; Wherein

One of described pin is rotationally attached to described Connection Element, and described Connection Element is rotationally attached to described main body; And

2, plug according to claim 1, non-two pins that are rotationally attached to described Connection Element in wherein said three pins connect with respect to described main body and are fixing.

3, plug according to claim 1 and 2, the described pin that wherein is rotationally attached to described Connection Element is movable between a deposit position and an operating position.

4, plug according to claim 3, wherein when the described pin that is rotationally attached to described Connection Element during at operating position, by the plane of the axis limit of two other pin and be movably connected to the described pin of described Connection Element along perpendicular to the ultimate range between the direction on described plane, greater than when the described pin that is rotationally attached to described Connection Element during at deposit position, by the plane of the axis limit of two other pin and be movably connected to the described pin of described Connection Element along perpendicular to the ultimate range between the direction on described plane.

5, according to claim 3 or 4 described plugs, wherein be rotationally attached to the described pin of described Connection Element, by relative rotation, movable between described deposit position and operating position towards described Connection Element.

6, according to claim 3,4 or 5 described plugs, wherein when the described pin that is rotationally attached to described Connection Element was movable between described deposit position and this operating position, described Connection Element can be with respect to described main body rotation.

7, according to the arbitrary described plug of claim 3-6, wherein when the pin that is rotationally attached to described Connection Element during at deposit position, it is positioned at the plane roughly the same with two other pin, and when the described pin that is rotationally attached to described Connection Element during at operating position, it is positioned at outside the plane of two other pin.

8, according to the arbitrary described plug of claim 3-7, wherein when the described pin that is rotationally attached to described Connection Element during at operating position, the longitudinal axis of described pin is parallel to the longitudinal axis of two other pin, but is positioned at the plane different plane common with the longitudinal axis of two other pin.

9, according to the arbitrary described plug of claim 3-8, wherein when the described pin that is rotationally attached to described Connection Element during at operating position, the longitudinal axis of described Connection Element, with compare when the longitudinal axis of the described Connection Element of described pin during at deposit position, more approach the longitudinal axis of vertical described pin.

10, according to the arbitrary described plug of claim 3-9, wherein when the described pin that is rotationally attached to described Connection Element during at deposit position, the longitudinal axis of described pin becomes with the longitudinal axis of this Connection Element in 30 degree.

11, according to the arbitrary described plug of claim 3-10, wherein when the described pin that is rotationally attached to described Connection Element during at deposit position, the longitudinal axis of described Connection Element, with compare when the longitudinal axis of the described Connection Element of the described pin that is rotationally attached to described Connection Element during at operating position, more approach the axle of parallel two other pin.

12, according to the arbitrary described plug of claim 3-11, wherein said main body comprises a kerf, when described pin during at deposit position, (i) described pin and the (ii) described Connection Element both who is rotationally attached to described Connection Element is placed in this otch.

13, according to the arbitrary described plug of claim 3-11, wherein said Connection Element rotatably is connected in the recess in the described main body, make when described operating position is arrived in the described pin activity that is rotationally attached to described Connection Element, it is static that described Connection Element rotates to a surface of the described recess that leans in described main body, thereby fix its direction to stop further with respect to the mode of described main body rotation.

14, plug according to claim 12, wherein said Connection Element rotatably is connected in the recess in the described main body, make when described operating position is arrived in the described pin activity that is rotationally attached to described Connection Element, it is static that described Connection Element rotates to a surface of the described recess that leans in described main body, thereby fix its direction to stop further with respect to the mode of described main body rotation, and wherein said recess is communicated with described otch.

15, according to claim 13 or 14 described plugs, the surface of the described recess in the wherein said main body stops the described pin that is rotationally attached to described Connection Element to be further rotated away from two other pin.

16, according to the arbitrary described plug of claim 3-15, wherein when the described pin that is rotationally attached to described Connection Element when deposit position is movable, described pin and described Connection Element are along outwards outstanding from described main body with the roughly the same direction of two other pin.

17,, wherein further comprise being used for and being rotationally attached to the described pin of described Connection Element and/or described Connection Element is biased to operating position from deposit position device according to the arbitrary described plug of claim 6-16.

18, plug according to claim 17, wherein said bias unit comprises a spring.

19, according to the arbitrary described plug of claim 3-18, wherein further comprise a restraint device, the described pin and/or the described Connection Element that are used for being rotationally attached to described Connection Element are limited in described deposit position releasedly.

20, according to the arbitrary described plug of aforementioned claim, the rotating shaft that wherein is rotationally attached to the described pin of described Connection Element is roughly parallel to the plane that the longitudinal axis by two other pin forms, and is approximately perpendicular to the longitudinal direction of two other pin.

21, according to the arbitrary described plug of aforementioned claim, the rotating shaft of wherein said Connection Element is roughly parallel to the plane that the longitudinal axis by two other pin forms, and is approximately perpendicular to the longitudinal direction of two other pin.

22, according to the arbitrary described plug of aforementioned claim, wherein (i) be rotationally attached to the described pin of described Connection Element and (ii) one of described Connection Element comprise a ledge, and (i) be rotationally attached to the described pin of described Connection Element and in the (ii) described Connection Element another and comprise a groove, described ledge can be movable therein.

23, plug according to claim 22, wherein said pin can be movable to primary importance, and in this position, described ledge engages with an end of described groove.

24, according to the arbitrary described plug of aforementioned claim, wherein further be included in a recess that is arranged in described main body, be used to make the fuse of described plug to insert wherein.

25, plug according to claim 24, wherein said Connection Element comprises a lug boss, and its use location at described Connection Element stops the user near described recess, and it allows the user near described recess at a deposit position.

26, according to claim 24 or 25 described plugs, wherein further comprise the covering that is used to cover described recess.

27, according to the arbitrary described plug of aforementioned claim, wherein said Connection Element comprises a brake, is used to guarantee that angle between in use described movable pin and the described Connection Element and/or the angle between described Connection Element and the described main body are no more than a predetermined maximum value.

28, a kind of plug, comprise three pins and a main body, wherein plug is bigger when the overall size on the direction that is defined the plane that limits perpendicular to the longitudinal axis by two pins forms the folding and/or rotation of the pin on described plane and is set at storage configuration with respect to its longitudinal axis by one of described pin than plug when plug is positioned at mode of operation, and wherein its longitudinal axis two pins forming described plane are fixed with respect to this main body.

29, plug according to claim 28, wherein one of this pin can be that deposit position is that operating position moves to the second place by primary importance.

30, plug according to claim 29 wherein also comprises a Connection Element, and an end of this Connection Element is rotatable to be connected to described movable pin, and the other end of this Connection Element is rotatable is connected to described main body.

31, according to claim 29 or 30 described plugs, the longitudinal axis of wherein said movable pin and primary importance and the second place substantially be positioned at identical direction.

32, according to claim 29,30 or 31 described plugs, wherein said movable pin is roughly described by the translation on the plane in the motion between the primary importance and the second place, and this plane is perpendicular to the plane of other two pins and the longitudinal axis of the movable pin of packing into.

33, plug according to claim 32, wherein this movable pin motion between the primary importance and the second place does not comprise the rotation that centers on perpendicular to the axle of described plane of movement.

34, plug according to claim 32, wherein this movable pin motion between the primary importance and the second place comprises the rotation that centers on perpendicular to the axle of described plane of movement.

35, plug according to claim 34, wherein said rotation is between 150 degree and 210 degree.

36, plug according to claim 34, the angle of wherein said rotation between-30 the degree and+30 the degree between.

37, according to the arbitrary described plug of aforementioned claim, wherein said movable pin or the rotatable described pin that is connected to this Connection Element are grounding pins.

38, according to the arbitrary described plug of aforementioned claim, wherein said movable pin or the described pin that is rotationally attached to described Connection Element are to be made by insulating material at least in part.

39, according to the arbitrary described plug of aforementioned claim, the described pin that wherein is rotationally attached to described Connection Element is to be made by plastics or carbon fiber.

40, according to the arbitrary described plug of aforementioned claim, wherein said plug is the plug of double insulation.

41, according to the arbitrary described plug of aforementioned claim, wherein said main body is a shell.

42, according to the arbitrary described plug of aforementioned claim, wherein also comprise a cable, wherein this cable is electrically connected with a pin.

43, a kind of plug adapter comprises the plug of claim 1-41, and wherein said main body comprises the socket with two holes.

44, according to the described equipment of claim 43, wherein also comprise the electrical contact in the hole that is arranged in described socket, and between one of described pin and described electrical contact, and being electrically connected between another described pin and another electrical contact.

45, a kind of charhing unit or power supply comprise the plug among the claim 1-41.

46,, wherein also comprise the cable that is used to insert electric device according to described charger of claim 45 or power supply.

47,, wherein also comprise the shell of the parts of be used to pack into described charhing unit or power supply according to claim 45 or 46 described charhing unit or power supplys.

48, according to described charhing unit of claim 47 or power supply, wherein said shell is rotatable with respect to described main body.

49, according to described charhing unit of claim 48 or power supply, wherein said shell and main body are relative to each other rotatable on one, and this axle is roughly parallel to described Connection Element with respect to the rotatable axle of described main body.

50,, be applicable to be mobile phone, PDA, radio system, MP3 player, notebook computer, palmtop computer or the charging of GPS device according to described charhing unit of claim 45-49 or power supply.

51, according to described charhing unit of claim 45-50 or power supply, wherein also comprise charging device, this charging device partly is enclosed within the described main body.

52, a kind of plug adapter comprises two pins, two holes and two openings, accepts the live pins and the neutral pin of standard three pin plugs.

53, a kind of plug, comprise a main body and three pins, at least one of described pin can be by a deposit position to a use location activity, at this deposit position, at least one overall size of described plug is less than the overall size in the use location, in this use location, stop the fuse of use location near described plug.

54,, wherein, stop near described fuse in described use location, in order to the described movable pin in correct location in the use location by the position of necessity of at least one parts of described plug according to the described plug of claim 53.

55,, wherein also comprise the arbitrary described feature of claim 1-42 according to claim 53 or 54 described plugs.

56, a kind of electric device comprises:

One shell; And

At least two plug-in units, each plug-in unit are manufactured into and make it can insert this shell, and each plug-in unit comprises that at least one can insert the pin of electrical socket.

57, according to the described electric device of claim 56, wherein each plug-in unit be manufactured into make when it is inserted in the shell rotatable with respect to shell.

58, according to the described electric device of claim 56, wherein said shell is a charhing unit, a power subsystem or a plug.

59, a kind of plug, roughly as described above or arbitrary accompanying drawing manufacturing of reference and layout.

60, a kind of plug adapter, roughly as described above or arbitrary accompanying drawing manufacturing of reference and layout.

61, a kind of charhing unit, roughly as described above or arbitrary accompanying drawing manufacturing of reference and layout.