CN203250879U

CN203250879U - Usb connector

Info

Publication number: CN203250879U
Application number: CN2013202069375U
Authority: CN
Inventors: 张国辉
Original assignee: KUNSHAN 3E ELECTRONICS CO Ltd
Current assignee: KUNSHAN 3E ELECTRONICS CO Ltd
Priority date: 2013-04-23
Filing date: 2013-04-23
Publication date: 2013-10-23
Anticipated expiration: 2023-04-23

Abstract

The utility model relates to a USB connector. The USB connector comprises an insulator and a plurality of terminals positioned on the insulator, wherein the insulator is provided with a tongue board portion, and the terminals comprise first terminals and second terminals; each first terminal is provided with a first holding portion for holding the tongue board portion and a back-row contact portion extending into one side of the tongue board portion; each second terminal is provided with a second holding portion for holding the tongue board portion and a front-row contact portion which extends into the tongue board portion and is arranged at the same side with the back-row contact portion; the first terminals and the second terminals are punched and molded through the connection of a material tape; the tongue board portion is provided with through grooves perforating the upper side and the lower side of the tongue board portion; and material tape cut portions of the first holding portions and the second holding portions are corresponding to the through grooves. After the terminals are integrally punched and molded, adjacent holding portions are connected together through the material tape, and therefore, the strength of the contact portions at the front side of the holding portions can be enhanced, and deflection caused by the sinking of the contact portions can be prevented; and at the same time, after the terminals are molded, the material tape can be cut off through the through grooves on the tongue board, such that the terminals can be separated from each other, and molding can be facilitated.

Description

USB connector

[technical field]

The utility model relates to a kind of electronic applications, refers in particular to a kind of USB connector.

[background technology]

USB (Universal Serial Bus, call USB in the following text) be a kind of hot plug transmission interface that is widely used at present computer peripheral, this interface namely is connected with hardware in the situation that does not need again to start shooting and carries out data transfer, has the good characteristic of transmission performance, be widely used behind the exploitation first generation USB1.1 transmission interface in 1988, Intel in 2000 then deliver the formal specification of USB2.0, have also expanded whereby the computer peripheral that can use USB to make transmission interface and have been used for data transfer.

USB3.0 is initiated by Intel company, it is except the characteristic of keeping existing structure and plug and play, also can compatibility in the past normal USB2.0 peg graft, can peg graft for the USB3.0 of another kind of higher transfer of data simultaneously, its transmission speed is 10 times of the USB2.0 connector, and has the advantages such as low-power consumption.

Existing USB2.0 or USB3.0 have insulating body and are retained on terminal on the insulating body, because having holding parts usually, terminal reaches the contact site that protrudes out from holding parts, for making things convenient for terminal group to be enclosed in the insulating body, be provided with terminal material belt in terminal fixing section rear end, the grafting of terminal is provided, this terminal material belt again fractures, but this contact site from strip away from, terminal is under the Action of Gravity Field of contact site, described contact site is tilted deflecting down, if in the assembling process of terminal and insulating body, because of the deflection of contact site, be unfavorable for the grafting of terminal.

So, be necessary to provide a kind of new USB connector to overcome the problems referred to above.

[utility model content]

Based on this, be necessary to provide a kind of USB connector that makes things convenient for moulding.

The utility model is achieved through the following technical solutions: a kind of USB connector, several terminals that it comprises insulator and is positioned at insulator, insulator has hyoplastron section, terminal comprises the first terminal and the second terminal, the first terminal has the first holding parts of fixing hyoplastron section and protrudes into rear row's contact site of hyoplastron section one side, the second terminal have the second holding parts of fixing hyoplastron section and protrude into hyoplastron section and with the front-seat contact site of rear row contact site in the same side, described the first terminal is connected punch forming with the second terminal by a strip, and one-body molded with insulator, hyoplastron is provided with and runs through, the groove of downside, the strip of the first holding parts and the second holding parts are cut section to should the groove setting.

Improvement project: described the first terminal has four, for the USB2.0 terminal, is followed successively by Pin1, and 2,3,4, the second terminals have five, for the USB3.0 terminal, are followed successively by Pin5, and 6,7,8,9.

Improvement project: the first holding parts of each the first terminal and the second holding parts of each the second terminal are staggeredly set.

Improvement project: described Pin1,6,2,7,3,8,4 the strip section of cutting is positioned at the hyoplastron place.

Improvement project: described insulating body has the base portion that connects hyoplastron, and wherein the strip section of cutting of Pin5 and Pin1 and Pin4 and Pin9 is positioned at the base portion place, and this connecting portion place is provided with the through hole that runs through base portion.

Improvement project: rear row's contact site of described the first terminal is elastic shape, and the front-seat contact site of the second terminal is tabular.

Improvement project: described Pin5, the second holding parts and the front-seat contact site of the second terminal of 6,8,9 are at right angles constructed.

Improvement project: further include metal shell, it has roof and two side, and each sidewall comprises and is positioned at rear side towards the rear installation foot of downward-extension and is positioned at the front side front installation foot of reflexed outwardly.

The beneficial effects of the utility model are as follows: after being shaped at the terminal integrated punching, first, second adjacent holding parts is linked together by strip, increase the contact site intensity of this holding parts front side, prevent that contact site from sinking, phenomenon deflects, also cutting off strip by the groove on the hyoplastron after the moulding, separate terminal simultaneously, make things convenient for moulding.

[description of drawings]

Fig. 1 is the utility model USB connector schematic perspective view;

Fig. 2 is the exploded view of USB connector shown in Figure 1;

Fig. 3 is the hyoplastron partial solution figure of USB connector shown in Figure 1;

Fig. 4 is the hyoplastron section assembled view of USB connector shown in Figure 3;

Fig. 5 is the three-dimensional exploded view that the utility model shown in Figure 1 is used terminal material belt

Fig. 6 is vertical view shown in Figure 5;

Fig. 7 is the three-dimensional exploded view after the described terminal material belt of Fig. 5 is cut off;

Fig. 8 is the stereogram of another angle of hyoplastron shown in Figure 4 section.

[embodiment]

See also Fig. 1 to shown in Figure 3, execution mode schematic diagram for the utility model USB connector, Fig. 4 to 8 is the manufacture method schematic diagram of USB connector, the metal shell 3 that it comprises insulator 1, is retained on the some terminals 2 on the insulator and is around in the insulator periphery.

Hereinafter relating to the word of the position such as up, down, left, right, before and after relation, only is the position relationship of know each parts of description with present embodiment USB connector shown position, should be as restriction of the present utility model.

See also Fig. 2 to shown in Figure 4, described insulator 1 has base portion 11 and protrudes out the hyoplastron section 12 of base portion, and base portion 11 has the projection 14 that the baffle 13 that is positioned at rear end side and both sides protrude out outwardly, and hyoplastron section 12 is provided with the some grooves 15 that run through upper and lower side.

Metal shell 3 is retained on the base portion 11 of insulator, and it comprises roof 31, diapire 32 and the two side 33 relative with roof, and these roofs 31, diapire 32 are around in the outside of hyoplastron section 12 with sidewall 33, and form the docking chamber 34 with interface.Each sidewall comprises and is positioned at rear side towards the rear installation foot 35 of downward-extension and is positioned at the front side front installation foot 36 of reflexed outwardly, with with firm being installed on the circuit board of USB connector, the sidewall of metal shell 3 is provided with groove 37, when metal shell inserted insulator 1 after the previous dynasty, this groove 37 can be held on the projection 14 of insulator 1, realizes firm being assembled on the insulator of metal shell.

Described terminal 2 comprises the first terminal 21 and the second terminal 22, the first terminal 21 has the first holding parts 23 on the fixing insulator, protrude into rear row's contact site 24 of hyoplastron section one side and protrude out the first outer weld part 25 of insulator, the second terminal 22 has the second holding parts 26 that is immobilizated on the insulator, protrude into hyoplastron section and with rear row contact site in the front-seat contact site 27 of the same side and protrude out the second weld part 28 outside the insulator, because this first terminal 21 and the second terminal 22 form by integrated punching and are linked together by a strip, namely the first holding parts 24 and the second holding parts 27 are interconnected by strip, and molding mode holds detailed description.The baffle 13 of above-mentioned insulator 1 is positioned at the first holding parts 24 upsides of the second terminal 22, prevents the second holding parts bending up of the second terminal.

In the present embodiment, because of terminal 2 with insulator 1 moulding before, the first holding parts 23 and the second holding parts 26 link together by strip, increase the intensity that front-seat contact site contacts with rear row, contact with rear row and float over the defective that deflection down can occur because of self gravitation in the air and not to improve front-seat contact site, and the structure that this kind links together by strip, also be conducive to terminal 2 with insulator 1 integrated injection molding the time, increase the stability of terminal, the USB connector terminal dislocation when preventing moulding.And the strip of terminal is cut the groove 15 that section 29 is positioned at hyoplastron section 12, is convenient to cut off strip, makes things convenient for the manufacturing of connector.In this embodiment, also be provided with through hole 16 at base portion 11 two ends of insulator 1, the terminal material belt in the outside connects arranging by through hole 16 simultaneously, can disperse the strip present position, reaches miniaturization.

See also Fig. 5 to shown in Figure 8, in the present embodiment, terminal 2 is to be stamped to form by a metallic plate, and form and to have four the first terminals 21 of elastic contact part and to have flat five the second terminals 22, this first terminal is called the USB2.0 terminal, successively called after Pin1,2,3,4, namely rear row's contact site of this first terminal 21 is elastic shape; The second terminal is called the USB3.0 terminal, is called successively Pin5, and 6,7,8,9, namely the front-seat contact site of this second terminal 22 is tabular.The first holding parts 23 of this first terminal 21 is between the second holding parts 26 of the second adjacent terminal 22, and four the second holding parts and the flat front-seat contact site of the second terminal 22 at right angles arrange, be Pin5,6,8, the second holding parts of 9 is vertical shape, is conducive to increase the distance between the first holding parts of the second adjacent holding parts or the second holding parts and the first terminal, and the signal that reduces between the terminals of adjacent disturbs.

Because interconnecting adjacent holding parts by strip, the utility model can improve the intensity of contact site, prevent that contact site is because of gravity deflection down, be that Pin1 and Pin6 link together by strip connecting portion A, Pin6, Pin2, Pin7, interconnect by strip connecting portion B between the Pin3 etc., and Pin8 and Pin4 interconnect by strip connecting portion C, simultaneously, Pin1 and Pin5 and Pin4 and Pin9 link together by strip connecting portion D, thus, these form an integral body, before terminal and insulator moulding, can improve the intensity of contact site, prevent the contact site deflection of terminal, make things convenient for the moulding of terminal and insulator.

After terminal material belt and insulator are one-body molded, because of Pin1,2,3,4,6,7,8 terminal material belt connecting portion A, B, C is positioned at groove 15 places of hyoplastron section, and the terminal material belt connecting portion D of Pin5 and Pin1 and Pin4 and Pin9 is positioned at through hole 16 places of base portion, by punching pin the terminal material belt connecting portion is cut off, and the formation strip is cut section 29, terminal is separated, make things convenient for moulding.

Claims

1. USB connector, several terminals that it comprises insulator and is positioned at insulator, insulator has hyoplastron section, terminal comprises the first terminal and the second terminal, the first terminal has the first holding parts of fixing hyoplastron section and protrudes into rear row's contact site of hyoplastron section one side, the second terminal have the second holding parts of fixing hyoplastron section and protrude into hyoplastron section and with the front-seat contact site of rear row contact site in the same side, it is characterized in that: described the first terminal is connected punch forming with the second terminal by a strip, and one-body molded with insulator, hyoplastron is provided with and runs through, the groove of downside, the strip of the first holding parts and the second holding parts are cut section to should the groove setting.

2. USB connector as claimed in claim 1, it is characterized in that: described the first terminal has four, for the USB2.0 terminal, is followed successively by Pin1, and 2,3,4, the second terminals have five, for the USB3.0 terminal, are followed successively by Pin5, and 6,7,8,9.

3. USB connector as claimed in claim 2, it is characterized in that: the first holding parts of each the first terminal and the second holding parts of each the second terminal are staggeredly set.

4. USB connector as claimed in claim 3 is characterized in that: described Pin1,6,2,7,3,8, the 4 strip sections of cutting that link to each other are positioned at the hyoplastron place.

5. USB connector as claimed in claim 4 is characterized in that: described insulating body has the base portion that connects hyoplastron, and wherein the strip section of cutting of Pin5 and Pin1 and Pin4 and Pin9 is positioned at the base portion place, and this connecting portion place is provided with the through hole that runs through base portion.

6. USB connector as claimed in claim 1, it is characterized in that: rear row's contact site of described the first terminal is elastic shape, and the front-seat contact site of the second terminal is tabular.

7. USB connector as claimed in claim 3, it is characterized in that: described Pin5, the second holding parts and the front-seat contact site of the second terminal of 6,8,9 are at right angles constructed.

8. such as claim 1 or 7 described USB connector, it is characterized in that: it further comprises metal shell, and it has roof and two side, and each sidewall comprises and is positioned at rear side towards the rear installation foot of downward-extension and is positioned at the front side front installation foot of reflexed outwardly.