CN205882216U

CN205882216U - Usb a plug

Info

Publication number: CN205882216U
Application number: CN201620384350.7U
Authority: CN
Inventors: 王兴振
Original assignee: Individual
Current assignee: Individual
Priority date: 2016-04-28
Filing date: 2016-04-28
Publication date: 2017-01-11
Anticipated expiration: 2026-04-28

Abstract

The utility model provides an usb a plug, this usb a plug include casing 1, set up two insulating layers 2 on casing 1 in broad dual relatively, be provided with respectively on the opposite face of two insulating layers 2 on 3, one insulating layers of metallic interconnect piece 2 of the same number metallic interconnect piece 3 according to by a left side to the order difference on the right side in proper order with another insulating layer 2 on metallic interconnect piece 3 be connected to left order one -to -one by the right side. Use the utility model provides a during usb a plug, connect from positive and negative arbitrary direction insert the plug homoenergetic is correct electric, consequently can need not to distinguish the direction when using, brought the convenience for like this user's use.

Description

A kind of usb-a plug

Technical field

This utility model relates to a connector technique field, particularly to a kind of usb-a plug.

Background technology

The plug of USB flash disk that usb-a plug, i.e. people use, the connection dress on the equipment such as corresponding computer or television Put and be usb-a socket.Usb-a plug is widely used in the various necks such as USB flash disk, the data wire of digital product, connecting line at present Territory.In use, when usb-a plug is inserted usb-a socket, only as metal connecting sheet and the usb-a of usb-a plug side After metal connecting sheet in socket contacts with each other, usb equipment could connect.Usb-a plug mainly has two kinds of structures at present: a kind of Metal frame is had outside it, in use, it is necessary to distinguish direction, only consistent with usb-a socket direction when the direction of usb-a plug Time, could insert smoothly, otherwise can not insert, it is necessary to could insert after usb-a plug rotation turnback, connect usb equipment. The another kind of outside small-sized usb-a plug not having metal frame, this usb-a plug must distinguish direction, correctly equally in advance Inserting in usb-a socket, usb equipment could connect, otherwise, although can insert usb-a socket, but can not connect usb equipment, nothing Method normally uses.To sum up, known usb-a plug, all exist and must distinguish the problem that direction could normally use, to user's Use is made troubles.

Utility model content

This utility model embodiment provides a kind of usb-a plug, it is not necessary to distinguishes direction and just can normally use, to user's Use brings convenience.

This usb-a plug includes housing 1, be arranged on housing 1 in two insulating barriers 2 in wider opposing sides, two The metal connecting sheet 3 of same number, the metal connecting sheet 3 on an insulating barrier 2 it is respectively arranged with on the opposite face of individual insulating barrier 2 By by left-to-right order respectively the most successively with the metal connecting sheet 3 on another insulating barrier 2 by the order one_to_one corresponding on the right side a to left side Connect.

In one embodiment, the tail end of described insulating barrier 2 is fixed with circuit board 4, and the rear end of each metal connecting sheet 3 is divided Do not electrically connect with circuit board 4.

In one embodiment, the rear end of each metal connecting sheet 3 described respectively with circuit board 4 by surface-assembled mode SMT or dual-inline package mode DIP connect.

In one embodiment, described insulating barrier 2 is combined into one with metal connecting sheet 3 by integral injection molding mode Structure.

In one embodiment, described housing 1 caves inward and is formed with multiple stuck point 5, and stuck point 5 presses insulating barrier 2, will be absolutely Edge layer 2 is fixed in housing 1.

In one embodiment, the upper and lower end face of described housing 1 is equipped with stuck point 5.

In one embodiment, the thickness of described insulating barrier 2 is 0.5mm ± 0.2mm；

And/or, the distance between two insulating barriers 2 is 2.3mm ± 0.2mm.

In one embodiment, described housing 1 uses metal material or insulant to make.

In one embodiment, described housing 1 is combined into one structure by one-body molded mode and insulating barrier 2.

In this utility model embodiment, opposing sides wider in the housing of this usb-a plug is provided with two Insulating barrier, is respectively arranged with the metal connecting sheet of same number, the gold on an insulating barrier on the opposite face of two insulating barriers Belong to connect sheet by by left-to-right order respectively the most successively with the metal connecting sheet on another insulating barrier by the order one on the right side a to left side One corresponding connection, so makes this usb-a plug insert socket from positive and negative either direction and all can correctly electrically connect, so using Time can bring conveniently so to the use of user without distinguishing direction.

Accompanying drawing explanation

In order to be illustrated more clearly that this utility model embodiment or technical scheme of the prior art, below will be to embodiment Or the required accompanying drawing used is briefly described in description of the prior art, it should be apparent that, the accompanying drawing in describing below is only It is embodiments more of the present utility model, for those of ordinary skill in the art, in the premise not paying creative work Under, it is also possible to other accompanying drawing is obtained according to these accompanying drawings.

Fig. 1 is the structural representation of a kind of usb-a plug that this utility model embodiment provides；

Fig. 2 is the Facad structure schematic diagram of a kind of usb-a plug that this utility model embodiment provides.

Detailed description of the invention

Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is carried out Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of this utility model rather than whole realities Execute example.Based on the embodiment in this utility model, those of ordinary skill in the art are institute under not making creative work premise The every other embodiment obtained, broadly falls into the scope of this utility model protection.

Existing usb-a plug is in use, it is necessary to distinguish direction, only when direction and the usb-a socket of usb-a plug When direction is consistent, could insert smoothly, otherwise can not insert, make troubles so to the use of user.If can make with two sides With, direction need not be distinguished again, can facilitate a lot the most in use.A kind of usb-a plug is the utility model proposes based on this, its Two-sided available.

Fig. 1 is the structural representation of a kind of usb-a plug that this utility model embodiment provides, as it is shown in figure 1, this usb- A plug includes housing 1, be arranged on housing 1 in two insulating barriers 2 in wider opposing sides, relative at two insulating barriers 2 Being respectively arranged with the metal connecting sheet 3 of same number on face, the metal connecting sheet 3 on an insulating barrier 2 is by by left-to-right suitable Sequence connects one to one to left order by the right side with the metal connecting sheet 3 on another insulating barrier 2 the most successively so that usb-a Plug inserts socket from positive and negative either direction and all can correctly electrically connect.

The usb-a plug that the utility model proposes can improve based on existing usb2.0 plug, it is also possible to based on Existing usb3.0 plug improves, but improves whether based on usb2.0 or usb3.0 plug, housing 1 therein Shape be all cuboid, above-mentioned described " in opposing sides wider in housing 1 " is also clear.

When improving based on usb2.0 plug, this usb-a plug includes 8 metal connecting sheets 3, at two insulating barriers Being respectively provided with 4 metal connecting sheets 3 on the opposite face of 2,4 metal connecting sheets 3 on an insulating barrier 2 are by by left-to-right suitable Sequence connects one to one, such as Fig. 1 institute to left order by the right side with 4 metal connecting sheets 3 on another insulating barrier 2 the most successively Show.

When improving based on usb3.0 plug, this usb-a plug includes 18 metal connecting sheets 3, two insulation It is respectively provided with 9 metal connecting sheets 3 on the opposite face of layer 2.9 metal connecting sheets 3 on one insulating barrier 2 are by by left-to-right Order connects one to one to left order by the right side with 9 metal connecting sheets 3 on another insulating barrier 2 the most successively.

Concrete, Fig. 2 is also based on the usb-a plug schematic diagram after usb2.0 plug improves, as in figure 2 it is shown, one 4 metal connecting sheets 3 on individual insulating barrier 2 are pressed by left-to-right order the most successively 31a, 31b, 31c and 31d, and another 4 metal connecting sheets 3 on insulating barrier 2 are by the right side to left order difference 32a, 32b, 32c and 32d the most successively.Wherein, 31a and 32d Corresponding electrical connection, the corresponding electrical connection of 31b with 32c, the corresponding electrical connection of 31c with 32b, the corresponding electrical connection of 31d with 32a, the most no matter This usb-a plug inserts in usb-a socket with that direction, can realize usb-a plug and be connected with usb-a plug conductive/lead to Letter connects.

When being embodied as, as it is shown in figure 1, the tail end at insulating barrier 2 is fixed with circuit board 4, after each metal connecting sheet 3 End electrically connects with circuit board 4 respectively.When the rear end of each metal connecting sheet 3 is attached by reality respectively with circuit board 4, can To use surface-assembled mode SMT or dual-inline package mode DIP.SMT (Surface Mount Technology, table Face package technique or surface mounting technology) it is most popular a kind of technology and technique in current Electronic Assemblies industry.DIP(dual Inline-pin package) encapsulation, be also dual-inline package technology, double enter line encapsulate, a kind of component encapsulation of DRAM Form.Referring to use the IC chip of dual-in-line form encapsulation, most middle small scale integrated circuits all use this Packing forms, its number of pins is usually no more than 100.The cpu chip of DIP encapsulation has two row's pins, needs to be inserted into and has DIP knot On the chip carrier socket of structure.Certainly, it is possible to DIP encapsulation is carried out to be directly inserted on the circuit board of identical welding hole number and geometry arrangement Welding.

When being embodied as, insulating barrier 2 uses heat resistant and wear resistant material, and insulating barrier 2 is by integral injection molding mode and gold Belong to and connect sheet 3 and be combined into one structure, thus metal connecting sheet 3 is fixed on insulating barrier 2, it is ensured that metal connecting sheet 3 is the most loose Dynamic so that fax is defeated stable and reliable for performance, the most long-term plug uses and also will not destroy metal connecting sheet 3 structure, is suitable for big Amount automated production, low cost, performance is good.

When being embodied as, when in housing 1, insulating barrier 2 is set, can insulating barrier 2 be pasted onto inside housing 1, it is also possible to Use method fixed insulation layer 2 as shown in Figure 1.The method of the fixed insulation layer 2 shown in Fig. 1 is: in the upper and lower end face of housing 1 On all cave inward and be formed with multiple stuck point 5, stuck point 5 presses insulating barrier 2, is fixed in housing 1 by insulating barrier 2, to overcome dress Join because of fit clearance produced by foozle, reach insulating barrier 2 and combine closely with housing 1 and keep symmetrical to inserting During socket connector system, no matter which face to insert the dynamics being just as from.

It addition, housing 1 can be to use the metal material used by existing usb-a plug to make, it would however also be possible to employ insulation Material is made.Housing 1 can use the identical insulant of heat resistant and wear resistant material used with insulating barrier 2, it is also possible to absolutely Edge layer 2 uses different insulant.Existing housing 1 and insulating barrier 2 all use separate method to make, and this utility model is also Housing 1 can be combined into one structure by one-body molded mode and insulating barrier 2, or directly say there is no insulating barrier 2, directly Metal connecting sheet 3 is fixed on the housing 1 that insulant is made, so can simplify manufacturing process.Now, the thickness of housing 1 Degree is 0.7mm ± 0.2mm.

When being embodied as, this utility model is in order to reach two-sided available purpose, and it is slotting to transform existing usb-a Seat, this utility model is by the distance between thickness and two insulating barriers 2 of minimizing insulating barrier 2, thus reduces usb-a plug Thickness.Wherein, the thickness of single insulating barrier 2 is 0.5mm ± 0.2mm, and two such insulating barrier can be inserted into existing The insulating barrier side of sheet metal it is not covered with, i.e. relatively small gap side on usb-a socket on usb-a socket；Two insulating barriers 2 Between distance be 2.3mm ± 0.2mm, the thickness of whole plug is 3.7mm ± 0.2mm, and the thickness of the usb-a plug of standard It is 4.2 ± 0.2mm, say, that the final product of this utility model is about 0.5mm thinner than standard usb-a plug.

In sum, compared with existing usb-a plug, the usb-a plug that the utility model proposes has the advantage that

1, two-sided can be electrically connected so that plug inserts socket from positive and negative either direction and all can effectively electrically connect, and makes With convenient, do not have the phenomenon of direction wrong plug, effectively protect plug and socket, connect simple and convenient, durable, improve operation effect Rate.

2, low cost, easily makes, and reliability is also high than current standard usb-a plug, and than current standard usb-a Plug is thinner, meets miniaturization of electronic products, light-weighted development trend.

3, this structure that the utility model proposes is not limited to usb2.0, as long as usb-a plug, usb2.0,3.0 which 4.0 are gone out the most applicable after being afraid of.

The foregoing is only preferred embodiment of the present utility model, be not limited to this utility model, for this For the technical staff in field, this utility model embodiment can have various modifications and variations.All in spirit of the present utility model Within principle, any modification, equivalent substitution and improvement etc. made, within should be included in protection domain of the present utility model.

Claims

1. a usb-a plug, it is characterised in that include housing (1), be arranged on housing (1) in wider opposing sides Two insulating barriers (2), are respectively arranged with the metal connecting sheet (3) of same number on the opposite face of two insulating barriers (2), one Metal connecting sheet (3) on insulating barrier (2) is by by left-to-right order the most successively with the metal on another insulating barrier (2) the most even Contact pin (3) is connected one to one to left order by the right side.

2. usb-a plug as claimed in claim 1, it is characterised in that the tail end of described insulating barrier (2) is fixed with circuit board (4), the rear end of each metal connecting sheet (3) electrically connects with circuit board (4) respectively.

3. usb-a plug as claimed in claim 2, it is characterised in that the rear end of described each metal connecting sheet (3) respectively with Circuit board (4) is connected by surface-assembled mode SMT or dual-inline package mode DIP.

4. usb-a plug as claimed in claim 1, it is characterised in that described insulating barrier (2) is by integral injection molding mode It is combined into one structure with metal connecting sheet (3).

5. usb-a plug as claimed in claim 1, it is characterised in that described housing (1) caves inward and is formed with multiple stuck point (5), stuck point (5) presses insulating barrier (2), is fixed on by insulating barrier (2) in housing (1).

6. usb-a plug as claimed in claim 5, it is characterised in that be equipped with stuck point on the upper and lower end face of described housing (1) (5)。

7. the usb-a plug as described in any one of claim 1 to 6, it is characterised in that the thickness of described insulating barrier (2) is 0.5mm±0.2mm；

And/or, the distance between two insulating barriers (2) is 2.3mm ± 0.2mm.

8. usb-a plug as claimed in claim 1, it is characterised in that described housing (1) uses metal material or insulant Make.

9. usb-a plug as claimed in claim 1, it is characterised in that described housing (1) is by one-body molded mode and insulation Layer (2) is combined into one structure.