CN202695798U

CN202695798U - USB socket that can be plugged in both directions

Info

Publication number: CN202695798U
Application number: CN 201220283796
Authority: CN
Inventors: 潘成禄
Original assignee: Individual
Current assignee: Shenzhen Xindesheng Electronic Technology Co Ltd
Priority date: 2012-06-13
Filing date: 2012-06-13
Publication date: 2013-01-23
Anticipated expiration: 2022-06-13

Abstract

The utility model relates to the technical field of electric connectors, in particular to a USB socket capable of being oppositely inserted in the positive and negative directions, which comprises a metal shell, a terminal used for conducting electricity, a plastic body used for fixing the shell and the terminal, and a pin of a connecting terminal, wherein the plastic body is fixed at the rear end inside the shell, the pin is arranged at the rear end of the plastic body, a tongue piece used for bearing and protecting the terminal is forwards extended from the middle part of the front end of the plastic body, the upper end surface and the lower end surface of the tongue piece are respectively provided with at least one row of terminals, slot spaces for inserting a plug core of a plug are respectively formed between the upper end surface and the lower end surface of the tongue piece and the shell, so that the plug can be effectively and electrically connected when being inserted into the socket from the positive direction and the negative direction, the socket can be effectively protected, the inconvenience brought when the opposite insertion is simplified, the, can carry out the electricity connection on two sides simultaneously, improve data transmission and charge efficiency.

Description

Can the USB socket of positive and negative two directions to inserting

Technical field:

The utility model relates to technical field of electric connectors, relate in particular to a kind of can positive and negative two directions USB socket to inserting.

Background technology:

USB (Universal Serial BUS, USB) is an external bus standard, is used for being connected and communication of standard computer and external equipment, is the interfacing that is applied in the PC field.The plug and play of USB interface support equipment and warm connection function.The current Peripheral Interface that is used for transfer of data and exchanges data, USB (universal serial bus) (USB) are undoubtedly one of interface that is most widely used in computer and peripheral consumer electronics field.Computer periphery peripheral hardware absolutely mostly connects computer by USB and carries out transfer of data and exchange, such as mouse, keyboard, and USB flash disk, printer, mobile phone, camera etc.So just USB socket need to be installed on computers, at computer peripheral outer equipment plug be installed, plug insertion socket during connection makes both produce electrical connection.Because it is one to one that plugs and sockets itself designs electric connection point, wrong plug can cause invalid even equipment such as is burnt out at the substantial risk.In order to prevent people's wrong plug when using the USB interface docking, USB interface has specially been carried out fool-proof design, namely when plug, when socket all is unidirectional, plug could insert socket smoothly.Like this, the user in use, often need to check socket which side is to, plug being adjusted to same direction inserts again again, perhaps one insert and not exchange a direction and insert, sometimes varying also can to insert overexert a plug or socket bad to inserting because of hard, causes very burden.

The utility model content:

The purpose of this utility model be exactly the deficiency that exists for prior art and provide a kind of can for plug from positive and negative any direction insert realize being electrically connected can the USB socket of positive and negative two directions to inserting.

To achieve these goals, the technical solution adopted in the utility model is:

Can positive and negative two directions USB socket to inserting; it includes metal shell, be used for the terminal of conduction, be used for fixed housing and the plastic body of terminal, the pin of splicing ear; plastic body is fixed on the rear end of enclosure; pin is arranged on the plastic body rear end; the tongue piece that is useful on carrying and protection terminal is extended forward at the middle part of plastic body front end, and the up and down both ends of the surface of tongue piece respectively arrange at least one row's terminal.

Mutually stagger between the front end of the terminal of both ends of the surface about the described tongue piece.

Putting in order oppositely of the terminal of described tongue piece upper surface and the terminal of lower surface.

The terminal of identical contact is connected on the same pin jointly on described tongue piece upper surface and the lower surface.

Be connected by printed circuit board (PCB) between the rear end of described terminal and the pin.

Described tongue piece up and down both ends of the surface is the inclined-plane, and the thickness of tongue piece is successively decreased by the rear end forward end.

The upper lower limb of the described shell front end formation crimping that inwardly twists respectively, and the free end of crimping outwards turns down.

Also can be the upper lower limb of the described shell front end formation crimping that inwardly twists respectively, the free end of crimping be pressed close to the medial surface of shell.

Be respectively equipped with at least one shell fragment that bends inwards on each face around the described shell.

There is at least one rib the upper and lower end face of described shell respectively inside punch forming.

The utility model beneficial effect is: of the present utility modelly can positive and negative two directions include metal shell to the USB socket of inserting; the terminal that is used for conduction; the plastic body that is used for fixed housing and terminal; the pin of splicing ear; plastic body is fixed on the rear end of enclosure; pin is arranged on the plastic body rear end; the tongue piece that is useful on carrying and protection terminal is extended forward at the middle part of plastic body front end; the up and down both ends of the surface of tongue piece respectively arrange at least one row's terminal; formed respectively the slot space for the lock pin insertion of plug about the tongue piece between both ends of the surface and the shell; making plug insert socket from positive and negative either direction all can effectively be electrically connected; easy to use; the phenomenon that the direction wrong plug can not occur; effectively protect socket; the inconvenience that simplification brings when inserting; improve operating efficiency; and all there is the terminal construction that is electrically connected function on the two sides of tongue piece; the two-sided electrical connection improved transfer of data and charge efficiency simultaneously.

Description of drawings:

Fig. 1 is structural representation of the present utility model.

Fig. 2 is the structural representation at another visual angle of the utility model.

Fig. 3 is cut-away view of the present utility model.

Fig. 4 is the structural representation of the utility model pin.

Fig. 5 is the another kind of structural representation of the utility model pin.

Fig. 6 is another structural representation of the utility model pin.

Fig. 7 is that the utility model plug positive direction is inserted the structural representation that socket shows.

Fig. 8 is the structural representation that the utility model plug inserts the socket schematic diagram in the other direction.

Fig. 9 is the structural representation of another execution mode of the utility model.

Figure 10 is vertical cut-away view of another execution mode of the utility model.

Figure 11 is the horizontal cut-away view of another execution mode of the utility model.

Embodiment:

Below in conjunction with accompanying drawing the utility model is further described, see shown in Fig. 1～8, of the present utility model can positive and negative two directions USB socket to inserting, take 2.0 editions A types of USB socket as example, include metal shell 1, be used for conduction terminal 2, be used for fixed housing 1 and the plastic body 3 of terminal 2, the pin 4 of splicing ear 2, plastic body 3 is fixed on the rear end of shell 1 inside, and the shape of shell 1, size are consistent with the standard USB socket, can directly replace installing and using at electronic equipment.Pin 4 is arranged on plastic body 3 rear ends, and the tongue piece 31 that is useful on carrying and protection terminal 2 is extended forward at the middle part of plastic body 3 front ends, and the up and down both ends of the surface of tongue piece 31 respectively arrange row's terminal 2, row's terminal 2 and lower row's terminal 2 in the formation.The rear end of terminal 2 is fixing by plastic body 3, and certain elasticity is arranged, when guaranteeing that plug 6 inserts with the one by one reliably electrical connection of corresponding realization of plug 6 terminals 2 relevant positions.The utility model tongue piece has formed respectively the slot space that the lock pin for plug 6 inserts between both ends of the surface and the shell 1 about in the of 31; plug 6 inserts thus socket and is electrically connected reliably in order with up and down arbitrary row's terminal 2 on the tongue piece 31; making plug 6 insert socket from positive and negative either direction all can effectively be electrically connected; easy to use; the phenomenon that the direction wrong plug can not occur; effectively protect socket; the inconvenience that simplification brings when inserting; improve operating efficiency; and all there are terminal 2 structures that are electrically connected function on the two sides of tongue piece 31; the two-sided electrical connection improved transfer of data and charge efficiency simultaneously.

Terminal 2 contact-making surfaces arrange standard compliant width, mutually stagger between the front end of the terminal 2 of tongue piece both ends of the surface about in the of 31, when inserting, can mutually stagger between the front end of row's terminal 2 and lower row's terminal 2 by plug 6, guarantee that terminal 2 has enough swing spaces when pressing down, guarantee especially the terminal 2 differences electronic isolation between the pin position that is electrically connected, prevent that the mistake that two-terminal 2 contacts produce on being electrically connected from causing invalid or dangerous generation, also more prevents two-terminal 2 impact wreckage terminals 2 original machine mode structures.

The terminal 2 of tongue piece 31 upper surfaces puts in order oppositely with the terminal 2 of lower surface, and namely lower row's terminal 2 and upper row's terminal 2 put in order on the contrary, and assurance plug 6 tow sides insertion socket can both make plug 6 effectively be connected with socket.For realizing this purpose, following three kinds of schemes are arranged:

1, as shown in Figure 4, the terminal 2 of identical contact is connected on the same pin 4 jointly on tongue piece 31 upper surfaces and the lower surface, the 1st terminal 2 of beginning on the right of namely upward the row left side begins to arrange under 2 connections of the 1st terminal, the upper row left side begins the 2nd terminal 2 and connects the 2nd terminal 2 of lower row the right beginning, the upper row left side begins the 3rd terminal 2 and connects the 3rd terminal 2 of lower row the right beginning, the upper row left side begins the 4th terminal 2 and connects the 4th terminal 2 of lower row the right beginning, need not carry out any change to equipment when being easily installed on the equipment, directly use, make things convenient for installation and use.

2, as shown in Figure 5, the rear end of each terminal 2 connects respectively a pin 4, that row's terminal 2 is independently drawn with the pin 4 of lower row's terminal 2 at socket namely, the terminal 2 of identical contact is connected on the printed circuit on the locational circuit board of equipment mounting receptacle, the row's of making terminal 2 and lower row's terminal 2.

3, as shown in Figure 6, be connected by printed circuit board (PCB) 5 between the rear end of terminal 2 and the pin 4, use one independently printed circuit board (PCB) 5 be welded on and arrange up and down terminal 2 independently on the pin 4, at the corresponding contact of printed circuit board (PCB) 5 upper joints row terminal 2 with lower row's terminal 2, and printed circuit board is installed on the socket, so that socket can be installed and used in the situation that does not change the circuitry plate.

Tongue piece about in the of 31 both ends of the surface be the inclined-plane and form wedge structure, the thickness of tongue piece 31 is successively decreased by the rear end forward end, be that an in succession end of plastic body 3 of tongue piece 31 is thicker, an end that is positioned at the slot mouth is thinner, be conducive to insert plug 6 in limited slot mouth space, because the thick cause in the thin rear end of tongue piece 31 front ends, plug 6 can insert under the notch size restrictions of standard easily, and guiding plug 6 behind the plug 6 insertion slots is inserted to correct position.

The upper lower limb of shell 1 front end inwardly twists respectively in advance and forms crimping 11, and the free end of crimping 11 is outwards turnover again, twisting in advance is for reaching the opening size of standard, be beneficial to and standard notch in the same size, going turns up again is to consider when socket is installed on the equipment to cooperate consistent with device panel, it can middle be cut into two sections or some disconnected, makes crimping 11 have certain elasticity, overcomes the dimensional tolerance that manufacturing process is brought.

Be respectively equipped with at least one shell fragment that bends inwards 12 on each face around the shell 1, when plug 6 inserts socket, have at least three shell fragments 12 to clamp plug 6 shells 1, plug 6 can not be extracted easily, to guarantee plug 6 maximum confining force is arranged when in running order.

There is at least one rib that caves inward 13 upper and lower end face of shell 1 respectively inside punch forming, when plug 6 inserts in the slot of sockets, the effect of this rib 13 is that the contact terminal 2 of guiding plug 6 is close to socket respective terminal 2, provide and continue to be electrically connected reliably, because rib 13 has been pushed down plug 6 shells 1 tightly, confining force and contact stabilization when having increased plug 6 work ensure that plug 6 little insertion force and withdrawal forces maximize.

The utility model is when plug 6 positive insertion socket, be that plug 6 lock pins are lower, plug 6 terminals 2 contact-making surfaces are connected with row's terminal 2 contacts under the socket up, plug 6 inserts in the slot of socket through the socket notch, because the socket notch is the effect of shell 1 peripheral bead 11 up and down, plug 6 is very random can be inserted, after the insertion, limited the upper-lower position of plug 6 by jack housing 1 lower limb crimping 11 and tongue piece 31, left and right edges by jack housing 1 limits the left and right directions that plug 6 inserts, and is guiding plug 6 to insert to correct position by the few rib 13 that causes on the jack housing 1 with tongue piece 31.Because tongue piece 31 sizes and jack housing 1 is spacing, plug 6 inserts and is inserted into the position according to the direction of design, after the slot interpolation of plug 6 insertion sockets puts in place, the shell 1 of socket up and down inside shell fragment 12 has at least and defeats plug 6 from three shell fragment 12 it can not be extracted easily, reaches USB association to inserting the related request of withdrawal force.The principle of anti-plug also together.

As another execution mode of the present utility model, take 3.0 editions A types of USB socket as example, see shown in Fig. 9～11 that different from a upper execution mode is, the upper lower limb of shell 1 front end inwardly twists respectively and forms crimping 11, and the free end of crimping 11 is pressed close to the medial surface of shell 1.The up and down both ends of the surface of tongue piece 31 respectively arrange two row's terminals 2, connect by printed circuit board (PCB) 5 between the pin 4 of terminal 2, do one independently printed circuit board (PCB) 5 be welded on and arrange up and down terminal 2 independently on the pin 4, the corresponding contact that connects row's terminal 2 and lower row's terminal 2 at printed circuit board (PCB) 5, and printed circuit board is installed on the socket, so that socket can be installed and used in the situation that does not change the circuitry plate.

Certainly, the above only is preferred embodiment of the present utility model, so all equivalences of doing according to the described structure of the utility model patent claim, feature and principle change or modify, is included in the utility model patent claim.

Claims

1. A USB socket that can be plugged in both directions, including a metal shell (1), a terminal (2) for conducting electricity, a plastic body (3) for fixing the shell (1) and the terminal (2), and a connection The pin (4) of the terminal (2), the plastic body (3) is fixed at the rear end inside the casing (1), and the pin (4) is arranged at the rear end of the plastic body (3), characterized in that: the plastic body (3) A tongue (31) for carrying and protecting the terminals (2) extends forward from the middle of the front end, and at least one row of terminals (2) is provided on the upper and lower ends of the tongue (31).

2. The USB receptacle that can be plugged in opposite directions according to claim 1, characterized in that: the front ends of the terminals (2) on the upper and lower ends of the tongue (31) are staggered from each other.

3. The USB receptacle that can be plugged in opposite directions according to claim 1, characterized in that the terminals (2) on the upper end surface of the tongue (31) and the terminals (2) on the lower end surface of the tongue (31) are arranged in reverse order. Towards.

4. The USB receptacle that can be plugged in both positive and negative directions according to claim 3, characterized in that: the terminals (2) with the same contact point on the upper end surface and the lower end surface of the tongue (31) are jointly connected to the same lead on the foot (4).

5. The USB receptacle that can be plugged in opposite directions according to claim 4, characterized in that: the rear end of the terminal (2) is connected to the pin (4) through a printed circuit board (5).

6. The USB receptacle that can be plugged in both positive and negative directions according to claim 1, characterized in that: the upper and lower ends of the tongue (31) are sloped, and the thickness of the tongue (31) is from the rear end to the front end decrease.

7. The USB socket that can be plugged in opposite directions according to claim 1, characterized in that: the upper and lower edges of the front end of the housing (1) are respectively bent inward to form curls (11), and the curls ( 11) The free end is turned outwards.

8. The USB receptacle that can be plugged in opposite directions according to claim 1, characterized in that: the upper and lower edges of the front end of the housing (1) are respectively bent inward to form curls (11), and the curls (11 ) is close to the inner surface of the shell (1).

9. The USB receptacle that can be plugged in opposite directions according to claim 1, characterized in that: at least one shrapnel (12) bent inward is provided on each of the surrounding surfaces of the housing (1).

10. The USB receptacle that can be plugged in opposite directions according to any one of claims 1-9, characterized in that: the upper and lower end surfaces of the housing (1) are respectively stamped inward to form at least one rib (13) .