CN100486043C

CN100486043C - USB connector plug

Info

Publication number: CN100486043C
Application number: CNB2004100841268A
Authority: CN
Inventors: 周朝晖
Original assignee: Beijing Huaqi Information Digital Technology Co Ltd
Current assignee: Aigo Digital Technology Co Ltd
Priority date: 2004-10-25
Filing date: 2004-10-25
Publication date: 2009-05-06
Anticipated expiration: 2024-10-25
Also published as: WO2006045243A1; CN1767271A

Abstract

The invention provides a USB connector plug which is matched with the standard USB interface plug. It comprises: a mental terminal which touches the conductivity contact of the plug tongue when plugging it and a connector body used to load the mental terminal, wherein the mental terminal is two groups of mental terminal which can independently finish the standard USB signal transmitting and are positioned on the opposite side of the connector body. It also arranges an isolating mechanism to avert the mental terminal to touch the plug external mental casing on the connector body.

Description

A kind of USB connector plug

[affiliated technical field]

The present invention relates to a kind of low thickness jockey that is used for USB (USB) interface, particularly, belong to the computer connector technical field about a kind of USB connector plug with two-sided connection.

[background technology]

Existing USB (calling USB in the following text) interface connector has become a kind of technical standard, Fig. 1 a is the plug of USB device, Fig. 1 b is a USB socket of being located at the standard on the peripheral hardwares such as computer, plug comprises shell 101, header body 102, with the metal terminal 103 that is positioned on the header body 102, header body 102 is close to the diapire in the shell 101, bearing metal terminal 103 towards last, and and the upper wall of shell 101 between have specific space.Socket comprises shell 201, tongue piece 202 and is arranged on electric terminal 203 on the tongue piece 202, tongue piece 202 is positioned at shell 201, one of bearing electric terminal 203 faces down, and and the wall of shell 201 between have specific space, form slot between tongue piece 202 and shell 201, the width of the slot 204 that forms between the diapire of tongue piece 202 and shell 201 is h, and shell 201 inwalls also respectively are provided with shell fragment 2011 on certain location, with when the plug insertion socket, play the fixing effect.Shell 201 is a metal material.When plug matched with socket, plug entered in socket, and tongue piece 202 inserts the space in the plugs, and metal terminal corresponding on the electric terminal 203 on it and the header body 102 contacts.

The plug of existing standard is owing to there is shell, and shared space is bigger, so can only be provided with in the one side of plug and the contacted metal terminal of the electric terminal of socket.

A kind of improved USB connector plug, disclosed as China Intellectual Property Office on August 20th, 2003, application number is 02103174.6, denomination of invention is the application for a patent for invention of " the low thickness jockey and the storage device thereof that are used for the USB interface ", the plug that this application patent is disclosed, as shown in Figure 2, comprise body 103, with the metal terminal group of being located on the body 103 101, the thickness of body 103 is same as the width h of the slot 204 between the diapire of tongue piece 202 and shell 201 in the standard USB interface socket, make body 103 can insert in the slot 204, and can carry out the signal transmission.Though this patent has reduced the thickness of plug, it still only is provided with metal terminal in one side, and the user still will note the direction of this attachment plug in use, the mistake that causes signal to connect in order to avoid turned upside down is inserted.Improved USB plug is connected with the single face of the USB plug of above-mentioned existing standard, has caused unhandy shortcoming to the user.

[summary of the invention]

Only establish the connection metal terminal for solving above-mentioned existing USB connector plug at single face, the shortcoming of bringing inconvenience for the user in use, the object of the present invention is to provide a kind of positive and negative all can insert in the USB socket of standard, and all can set up the USB connector plug of signal transmission, it is easy to use.

USB connector plug provided by the invention, match with standard USB interface socket, be included in when inserting the metal terminal that contacts with electrical contact on this socket tongue and the connector body of bearing metal terminal, described connector body comprises, following panel seat, on, following panel seat is offered respectively and is run through, the fluting of the top and bottom of following panel seat, on, the both sides of following panel seat are provided with respectively and prevent the electric projection mechanism that contacts of described metal terminal and socket outer metal housing, described metal terminal comprises the two groups of metal terminals that can independently finish the usb signal transmission of standard, on described, the following panel seat formation connector body that is assembled into one, described projection mechanism lays respectively on the connector body, the both sides of following two opposite faces, on described metal terminal embeds, the fluting of following panel seat, lay respectively at connector body on, under two opposite faces, described projection mechanism be arranged on connector body on, the both sides of following two opposite faces, described be positioned at connector body on, down the width of each projection mechanism of the both sides of two opposite faces is not more than the width in socket outer metal housing and socket tongue side slit, its height with the difference in height of the metal terminal on the one side height greater than the perk of socket shell fragment.

The present invention further optimization scheme is: also form raised line on upper and lower two opposite faces of described connector body, between two metal terminals that described each raised line is being close to the socket shell fragment with inserting on the one side time, its height is greater than the height of described metal terminal, less than the electrical contact height sum on described metal terminal and the socket tongue.

The present invention is on the opposite face of header body, be provided with the metal terminal that matches with electric terminal on the standard USB socket, and each is provided with and prevents the electric projection mechanism that contacts of described metal terminal and socket outer metal housing on the opposite face of body, make plug of the present invention can opposite face, no matter that face is last, the metal terminal that is positioned at the top is contacted with the electric terminal of socket, and to be positioned at following metal terminal isolated with the shell fragment on itself and shell and/or the shell by projection mechanism and make.Plug of the present invention is all established metal terminal on relative two sides, the user needn't worry that it is easy to use because of the anti-inserted plug that damages.

[description of drawings]

Fig. 1 a is the structure cutaway view of the standard USB plug of prior art.

Fig. 1 b is the topology view of the standard USB socket of prior art.

Fig. 2 is the STRUCTURE DECOMPOSITION view of existing a kind of improved USB plug.

Fig. 3 is the USB connector plug stereogram of first embodiment of the invention.

Fig. 4 is the exploded view of the USB connector plug of Fig. 3.

Fig. 5 is the USB connector plug stereogram of second embodiment of the invention.

Fig. 6 is the exploded view of the USB connector plug of Fig. 5.

The corresponding deploying relation of two groups of metal terminals in Fig. 7 USB connector plug of the present invention.

[embodiment]

USB connector plug of the present invention matches with standard USB interface socket, be included in when inserting the metal terminal that contacts with electrical contact on this socket tongue and the connector body of bearing metal terminal, metal terminal comprises the two groups of metal terminals that can independently finish the usb signal transmission of standard, lays respectively at the opposite face of connector body.As shown in Figure 3, Figure 4, be first embodiment of USB connector plug of the present invention, comprise body 301, metal terminal 302, this body 301 comprises top and lower part, top comprises panel seat 3011, goes up loading plate 3012, the lower part comprises panel seat 3013, following loading plate 3014 down, and metal terminal 302 comprises two group 3021,3022, is divided into upper part of body and divides and the lower part.

Please consult Fig. 1 simultaneously, these body 301 total thickness are same as the width h of slot 204 of the USB socket of standard, so that when body inserts socket, the metal terminal 302 that is positioned at the direction of insertion top can contact with the electric terminal 203 on the tongue piece 202 of socket.Electric terminal 203 comprises 1,2,3,4 four bars terminals, ordering successively from left to right, and corresponding being defined as: 1 for power source supply end (Vbus), and operating voltage is provided; 2 is the D+ signal terminal; 3 is the D-signal terminal; 4 is ground signalling terminal (GND).

This last panel seat 3011 is roughly square, and the width roughly length with groove 204 is suitable, and it is made by insulation material such as rubber.Offer four flutings 30111 from an end of last panel seat 3011 along its long axis direction with certain-length, the length that goes up panel seat in the present embodiment is same as the degree of depth of the slot 204 of socket, each 30111 two ends of not running through panel seat of slotting, but the top and bottom of running through panel seat 3011, thereby form five raised lines 30112 at the end face of last panel seat 3011.Position, width, the length of the electric terminal 203 on the position of described fluting 30111, width, length and the socket are set up corresponding relation.The both sides, the back side of last panel seat 3011 respectively protrude out a flange 3015 (shown on the following panel seat 3013) along the side raised line that is positioned at side of end face.

Last loading plate 3012 is roughly square thin plate, it is made for the insulation material, its width is roughly suitable with the width of 3015 of the flanges at the back side of last panel seat 3011, with the corresponding position of the fluting 30111 of last panel seat 3011 described metal terminal 3021 is set, this metal terminal can be fixed on this on loading plate 3012 as welding outer open country by the mode that embeds or other the mode that sets firmly.

Every group of metal terminal comprises four 1,2,3,4 respectively, and correspondence is defined as Vbus, D+, D-, GND respectively.The ordering of the metal terminal on the last loading plate 3012 is: be followed successively by 1,2,3,4 from left to right, with at plug when the mode that makes progress with top is inserted socket, metal terminal on the last loading plate 3012 of plug can be set up correct annexation by the electric terminal with on the socket one by one, makes signal to transmit normally.

The structure of the structure of following panel seat 3013 and last panel seat 3011 is just the same; The structure of the structure of following loading plate 3014 and last loading plate 3012 is just the same.

The deploying of metal terminal group 3022 on following loading plate 3014 is identical with the deploying mode of metal terminal group 3021 on last loading plate 3012.

During assembling, the face that upper and

lower loading plate

3012,3014 is had metal terminal is affixed to the back side of upper and

lower panel seat

3011,3013 respectively, and makes metal terminal snap in the fluting on the upper and

lower panel seat

3011,3013; The upper and

lower panel seat

3011,3013 that at last engaging is had a metal terminal dorsad applyings respectively, then, two group 3021, the corresponding relation of 3022 metal terminals are as shown in Figure 7.By viscose glue or other fixing means, upper and

lower panel seat

3011,3013 is fixed at last.

When plug insertion socket, no matter the top of diagram plug is last, still the lower part is last, being positioned at the metal terminal of top and the electric terminal 203 of socket comes in contact, and be positioned at following metal terminal, because the protrusion of raised line 30112, particularly be positioned at

metal terminal

1 and 2, two raised lines of 3 and 4, compress two shell fragments 2011 on the jack housing diapire, diapire is overhanging down to make it, and metal terminal and the shell fragment 2011 having avoided being positioned at plug bottom come in contact, and influence the transmission of signal, no matter and make body over there in the socket of last insertion standard, can both operate as normal.

Understandable, on in the plug of the present invention, following panel seat 501,502 can be the plate of tool U-shaped opening, the length of the slot 204 of its width and socket is suitable, as Fig. 5, shown in Figure 6, on, following loading plate 503, on the deploying of 504 structures of giving and metal terminal and first embodiment, following

loading plate

3012,3014 the structure and the deploying of metal terminal are the same, then, for in use, the metal terminal that is positioned at plug bottom does not contact with the shell fragment 2011 of jack housing, on described, following panel seat 501, the two side 5011 of 502 U-shaped, 5012 width is not more than the distance of the outside of tongue piece 202 in the socket to outer casing inner wall, and height exceeds the height of outer shell bottom wall greater than shell fragment 2011, and satisfies following relation: the metal terminal top is not less than the distance of electric terminal 203 to the diapire of shell 201 to the vertical range on another panel seat sidewall top on each board.Satisfy plug as co-relation, when inserting socket, because the support of

sidewall

5011 or 5012 makes the metal terminal that is positioned at the top to contact with electric terminal 203, and the metal terminal that is positioned at body bottom does not contact with shell fragment 2011, can not come in contact.

Understandable, prevent the electric interrupter that contacts of described metal terminal and socket outer metal housing, except that above-mentioned two kinds of structures, it can also be the insulator of being located on the front and back of body of appointing the protrusion between next-door neighbour's two strip metal terminals, as long as it satisfy: plug is when inserting socket, and the insulator of this protrusion makes the metal terminal that is positioned at the top to contact with electric terminal 203, and the metal terminal that is positioned at body bottom does not contact with shell fragment 2011, can not be electrically connected.

Claims

1, a kind of USB connector plug, match with standard USB interface socket, be included in when inserting the metal terminal that contacts with electrical contact on this socket tongue and the connector body of bearing metal terminal, described connector body comprises, following panel seat, on, following panel seat is offered respectively and is run through, the fluting of the top and bottom of following panel seat, on, the following panel seat formation connector body that is assembled into one, it is characterized in that, on described, the both sides of following panel seat are provided with respectively and prevent the electric projection mechanism that contacts of described metal terminal and socket outer metal housing, described projection mechanism lays respectively on the connector body, the both sides of following two opposite faces, described metal terminal comprises the two groups of metal terminals that can independently finish the usb signal transmission of standard, described two groups of metal terminals embed, the fluting of following panel seat, lay respectively at connector body on, under two opposite faces, described be positioned at connector body on, down the width of each projection mechanism of the both sides of two opposite faces is not more than the width in socket outer metal housing and socket tongue side slit, its height with the difference in height of the metal terminal on the one side height greater than the perk of socket shell fragment.

2. USB connector plug as claimed in claim 1, it is characterized in that, also form raised line on upper and lower two opposite faces of described connector body, between two metal terminals that described each raised line is being close to the socket shell fragment with inserting on the one side time, its height is greater than the height of described metal terminal, less than the electrical contact height sum on described metal terminal and the socket tongue.