CN204947225U - Universal serial bus connector - Google Patents

Abstract

A universal serial bus connector includes an insulative housing received in a first housing and receiving a portion of each terminal, and a board assembly combined with the insulative housing. The plate assembly comprises: the second plate unit and the third plate unit are respectively positioned at two opposite sides of the first plate unit and are used for being electrically connected with two inner side walls of the first shell. The first plate unit comprises at least one guide part and at least one electric contact part, wherein the at least one guide part and the at least one electric contact part are exposed out of the insulating body, and the at least one guide part is positioned at a corner of one end of the first plate unit and used for guiding a butting connector to be in electric contact with the at least one electric contact part.

Description

Universal Serial Bus connector

technical field

The utility model relates to the technical field of a universal serial bus connector, in particular to a universal serial bus connector which has a good electrical contact effect with a docking connector and is wear-resistant.

Background technique

In today's society with rapid technological development, various handheld electronic devices such as mobile phones, tablet computers or digital cameras have been widely popularized. Generally speaking, electronic devices can be connected to electronic computers through various types of connectors to perform data transmission, among which the Universal Serial Bus (USB) connector with fast transmission speed is widely used.

The insulating body of the existing electrical connector is provided with a terminal and a grounding piece, and a part of the grounding piece is exposed outside the two opposite side walls of the front end of the insulating body to form a pair of electrical contacts for connecting with a pair of A pair of elastic clasp arms of the connector make electrical contact. Since the plurality of grounding sheets as a whole, including the electrical contact part, is a plate-shaped structure, it is manufactured by integral stamping of a plate-shaped metal sheet with the same thickness, that is, the thickness of the electrical contact part is the same as the plate-shaped structure. The thickness of the metal sheet is the same, and the thickness of the electrical contact portion is used as the contact point for electrical contact with the butt connector, which makes the electrical contact portion of the existing connector equivalent to a point-to-point extremely small contact surface with The butt connectors are in electrical contact, so it is easy to cause poor contact between the two.

On the other hand, when the existing connector is docked with the butt connector, a pair of elastic buckle arms of the butt connector first protrude into the interior of the existing connector, and then pass through the two front ends of the insulating body. The electrical contacts will only be positioned after the corners. Generally speaking, since the insulating body is made of plastic material, and the elastic buckle arm of the docking connector is made of metal material, the metal elastic buckle arm is easily The two corners of the front end of the plastic insulating body are worn away, thus shortening the service life of the conventional connector.

Therefore, it is necessary to propose a new structure design of the universal serial bus connector, which has a good electrical contact effect with the docking connector and can prevent wear and tear caused by repeated plugging and unplugging of the docking connector.

Utility model content

In order to solve the above-mentioned problems in the prior art, the purpose of this utility model is to provide a universal serial bus connector, by setting a guide part to guide a mating connector and the electrical contact part of the universal serial bus connector For electrical contact, since the guide part is made of the same metal material as the grounding plate assembly, it can not only provide cushioning elasticity during collisions, but also prevent wear and tear caused by repeated plugging and unplugging of the docking connector.

Another object of the present utility model is to provide a universal serial bus connector, which makes the universal serial bus connector of the present utility model and the docking connector There is good electrical contact effect between the connectors.

In order to achieve the above purpose, the utility model provides a universal serial bus connector, comprising: a first shell, multiple rows of terminals, an insulating body, which is socketed in the first shell and accommodates each A part of the terminals, a base component, accommodates another part of each of the terminals and is used to combine with the insulating body and a board component, combined with the insulating body. The board assembly includes: a first board unit, including: at least one guide portion, at least one electrical contact portion, wherein the at least one guide portion and the at least one electrical contact portion are exposed outside the insulating body, The at least one guide part is located at a corner of one end of the first board unit, and is used for guiding a mating connector to make electrical contact with the at least one electrical contact part, and at least one connecting part, from the first The other end of the panel unit extends out of the insulating body for electrically connecting a circuit board; and a second panel unit and a third panel unit are respectively located at two ends of the first panel unit The opposite sides are used to electrically connect with two opposite inner walls of the first casing.

In a preferred embodiment of the present utility model, the at least one electrical contact portion is laterally bent from the first panel unit to form a vertical wall, and the height of the vertical wall in a specific direction is greater than that of the first plate unit. The thickness of a plate element.

In a preferred embodiment of the present invention, the at least one guiding portion is bent from the first board unit, and forms an arc or slope to guide the butt connector.

In a preferred embodiment of the present invention, the at least one guide part is provided separately from the first board unit, and forms an arc or slope to guide the butt connector.

In a preferred embodiment of the present utility model, in a preferred embodiment of the present utility model, the second panel unit and the third panel unit are respectively bent from the first panel unit in two opposite directions made.

In a preferred embodiment of the present utility model, the third panel unit is formed by bending the first panel unit, and the second panel unit is separated from the first panel unit.

In a preferred embodiment of the present invention, the USB connector further has a second housing, which is used to allow the first housing to be socketed in the second housing.

In a preferred embodiment of the present invention, the board assembly is combined with the insulating body in an insert molding manner.

The utility model also provides a universal serial bus connector, comprising: a first shell, multiple rows of terminals, and an insulating body, which are socketed in the first shell and accommodate one of each of the terminals. A portion, a base assembly, accommodates another portion of each of said terminals and is used to combine with said insulating body, and a board assembly, to combine with said insulating body. The board assembly includes: a first board unit, including: at least one electrical contact portion, the at least one electrical contact portion is exposed outside the insulating body, and is used for electrical contact with a mating connector, wherein the at least one electrical contact portion The at least one electrical contact portion is laterally bent from the first panel unit to form a vertical wall, the height of the vertical wall in a specific direction is greater than the thickness of the first panel unit, and at least one connection part, extending from one end of the first board unit to the outside of the insulating body, for electrically connecting a circuit board; and a second board unit and a third board unit, respectively located at the first board unit Two opposite sides of a plate unit are used for electrically connecting with two opposite inner walls of the first casing.

In a preferred embodiment of the present utility model, the first board unit of the board assembly further includes at least one guide portion, which is exposed outside the insulating body and is located on the other side of the first board unit. A corner at one end is used to guide the docking connector to make electrical contact with the at least one electrical contact portion.

In a preferred embodiment of the present invention, the at least one guiding portion is bent from the first board unit, and forms an arc or slope to guide the butt connector.

In a preferred embodiment of the present invention, the at least one guide part is provided separately from the first board unit, and forms an arc or slope to guide the butt connector.

In a preferred embodiment of the present invention, the second panel unit and the third panel unit are respectively bent from the first panel unit in two opposite directions.

In a preferred embodiment of the present utility model, the third panel unit is formed by bending the first panel unit, and the second panel unit is separated from the first panel unit.

In a preferred embodiment of the present invention, the USB connector further has a second housing, which is used to allow the first housing to be socketed in the second housing.

In a preferred embodiment of the present invention, the board assembly is combined with the insulating body in an insert molding manner.

Description of drawings

FIG. 1 is a combined view of a USB connector and a circuit board according to a first preferred embodiment of the present invention.

FIG. 2 is a first view of an exploded view of parts of the USB connector shown in FIG. 1 .

FIG. 3 is a second view of the exploded view of the USB connector shown in FIG. 1 .

FIG. 4 shows a first view of the board assembly of the USB connector according to the first preferred embodiment of the present invention.

FIG. 5 shows a second view of the board assembly of the USB connector according to the first preferred embodiment of the present invention.

FIG. 6 illustrates a board assembly of a USB connector according to a second preferred embodiment of the present invention.

detailed description

Preferred embodiments of the present utility model are described in detail in conjunction with the accompanying drawings and the following descriptions. In different drawings, the same reference numerals represent the same or similar components.

Please refer to FIG. 2 and FIG. 3 . FIG. 2 and FIG. 3 are respectively a first view and a second view of exploded parts of the USB connector 10 shown in FIG. 1 . The universal serial bus connector 10 of the present utility model comprises a first shell 200, a second shell 100, a first row of terminals 510, a second row of terminals 520, an insulating body 600, a base assembly 400 and A board assembly 700.

As shown in FIGS. 2 and 3 , the base assembly 400 includes a first terminal block 410 and a second terminal block 420 , and each terminal of the first row of terminals 510 and the second row of terminals 520 All have a contact area, a holding area and a lead area, wherein the holding area is located between the contact area and the lead area. The first terminal seat 410 and the second terminal seat 420 cover the holding areas of the plurality of terminals respectively. In this embodiment, the holding area of each terminal of the first row of terminals 510 and the second row of terminals 520 is respectively insert-molded on the first terminal base 410 and the second row of terminals 520 through the injection molding process. In the second terminal seat 420 , the first terminal seat 410 and the second terminal seat 420 of the seat body assembly 400 are combined with the holding area of the plurality of terminals.

As shown in FIG. 2 and FIG. 3 , a first row of terminal slots and a second row of terminal slots are respectively formed on the upper and lower inner sides of the insulating body 600 . When the board assembly 700 is combined with the insulating body 600 by insert molding, and the first row of terminals 510 and the second row of terminals 520 are combined with the seat assembly 400, the first row The plurality of contact areas of the terminal 510 and the second row of terminals 520 are respectively inserted into the first row of terminal slots and the second row of terminal slots, and then the seat assembly 400 is sleeved on the In the first housing 200 , the first housing 200 is then inserted into the second housing 100 .

Referring to FIG. 4 and FIG. 5 , FIG. 4 and FIG. 5 respectively illustrate a first view and a second view of the board assembly 700 of the USB connector 10 according to the first preferred embodiment of the present invention. The board assembly 700 includes a first board unit 710, a second board unit 720 and a third board unit 730, wherein the second board unit 720 and the third board unit 730 are located at And integrally connected to two opposite sides of the first panel unit 710 . The first plate unit 710 includes a pair of guiding portions 714 , a pair of electrical contact portions 712 and a pair of connecting portions 716 .

As also shown in FIG. 2 and FIG. 3 , after the board assembly 700 and the insulating body 600 are combined, the guide portion 714 , the electrical contact portion 712 and the connecting portion 716 are respectively exposed to the insulating body 600 outside. The guide portion 714 is located at the corners on both sides of the front end of the first panel unit 710, and is used to respectively guide a pair of elastic clasp arms (not shown) of a mating connector to make electrical contact with the electrical contact portion 712. sexual contact. In addition, the connecting portion 716 of the first plate unit 710 extends from an end of the first plate unit 710 opposite to the guide portion 714 toward the rear of the insulating body 600 for electrical connection. Connect to a circuit board 300 to form a ground to avoid interference from external signals, such as electrostatic discharge (ESD) or electromagnetic interference (EMI).

As shown in FIG. 4 , the main body of the first plate unit 710 is made of a flat metal sheet with a thickness D, and the two sides of the first plate unit 710 are stamped and laterally bent to form Two standing walls are used as the electrical contact portion 712 ; in a vertical direction, the height H of the standing walls is greater than the thickness D of the first plate unit 710 . In this embodiment, by using the bent vertical wall as the electrical contact portion 712 , the contact area when docked with the butt connector can be substantially increased. That is to say, the USB connector 10 of the present utility model is in electrical contact with the docking connector in a point-to-point manner, so as to ensure that there is an electrical connection between the USB connector 10 of the present utility model and the docking connector. Good electrical contact effect.

As shown in FIG. 4 and FIG. 5 , the guide portion 714 is adjacent to the electrical contact portion 712 and is bent from a corner of one end of the first panel unit 710 to form an arc or slope outward. to guide the docking connector. More specifically, when the USB connector 10 is docked with the docking connector, a pair of elastic clasp arms of the docking connector first protrude into the inside of the USB connector 10 , will be positioned on the electrical contact portion 712 after passing through the guide portion 714 . In this embodiment, the guide part 714 is integrally formed with the board assembly 700, so the guide part 714 is made of strong and wear-resistant metal material, thus preventing the USB connector 10 from In order to increase the service life of the universal serial bus connector 10, the wear problem caused by the docking connector after repeated plugging and unplugging is improved.

As shown in FIG. 4 and FIG. 5 , the second plate unit 720 bends a first bending portion 722 to direct an end of the first plate unit 710 close to the connecting portion 716 toward the guide The direction of the portion 714 is bent, and then a part of the plate is bent into an inverted L shape, so that the second plate unit 720 forms a stepped shape. Moreover, when the insulating body 600 is sleeved in the first housing 200 , the outer surface of the second board unit 720 farthest from the first board unit 710 is in contact with the first housing. An inner wall of the body 200 is electrically connected.

As shown in FIG. 4 and FIG. 5 , the third plate unit 730 bends one end of a second bending portion 732 to connect the first plate unit 710 between the connection portion 716 and the electrical A part of the plate between the contact parts 712 is bent into an inverted L shape toward the direction away from the first plate unit 710, and then the other end of the second bent part 732 is bent to bend the bent part. The folded plate is bent toward the direction of the guide portion 714 , thus forming the third plate unit 730 . Moreover, when the insulating body 600 is sleeved in the first shell 200, the outer surface of the third plate unit 730 farthest from the first plate unit 710 is in contact with the first shell. The other inner wall of the body 200 is electrically connected.

As shown in Figures 1 and 3, Figure 1 shows a combined view of a USB connector 10 and a circuit board 300 according to a first preferred embodiment of the present invention, wherein the first housing 100 includes four The first fixing part 110 and the four second fixing parts 120 and the second housing 200 include a pair of third fixing parts 210 . The circuit board 300 includes four first fixing holes 310 , four second fixing holes 320 , a pair of third fixing holes 330 and a terminal welding area 340 . After assembly, the connecting portion 716 of the board assembly 700 and the third fixing portion 210 of the second housing 200 are fixed together in the third fixing hole 330 of the circuit board 300 . The four first fixing portions 110 of the first casing 100 are respectively fixed in the corresponding first fixing holes 310 of the circuit board 300 . The four second fixing portions 120 of the first housing 100 are respectively fixed in the corresponding second fixing holes 320 of the circuit board 300 . Lead areas of the plurality of terminals are respectively fixed on the terminal pads 340 of the circuit board 300 . It should be noted that, the above-mentioned fixing methods among the multiple components may be combined by surface mount technology (Surface Mount Technology, SMT) or plug-in (Dualin-line Package, DIP).

Please refer to FIG. 6 , which shows a board assembly 700' of a USB connector according to a second preferred embodiment of the present invention. The plate assembly 700' of the second embodiment is similar to the plate assembly 700 of the first embodiment. The board assembly 700' comprises a first board unit 710', a second board unit 720' and a third board unit 730', wherein the second board unit 720' and the third board The component units 730' are respectively located on two opposite sides of the first panel unit 710'. The first panel unit 710' includes a pair of guiding parts 714', a pair of electrical contact parts 712' and a pair of connecting parts 716'.

As shown in FIG. 6 , compared with the panel assembly 700 of the first embodiment, the guide portion 714 ′ of the first panel unit 710 ′ of the panel assembly 700 ′ of the second embodiment is compatible with the panel assembly 700 . The second board unit 720' is set separately from the first board unit 710', thus reducing the difficulty in manufacturing the USB connector according to the second embodiment of the present invention, and each One side of the guide portion 714 ′ forms an arc surface or an inclined surface to guide the mating connector. In this embodiment, the guide portion 714' and the second panel unit 720' are made of the same material as that of the first panel unit 710'. In another embodiment, the second board unit 720' may also be formed of a conductive material different from that of the first board unit 710'. In addition, in another embodiment, the guide portion 714' can be made of any strong and wear-resistant material, not limited to conductive materials.

As shown in FIG. 6, the third panel unit 730' connects the connection part 716' of the first panel unit 710' to the electrical contact by bending one end of a bending part 732'. A part of the plate between the parts 712' is bent toward the direction away from the first plate unit 710' to form an inverted L shape, and then the other end of the bent part 732' is bent to bend the bent part 732'. The folded board is bent toward the direction of the guide portion 714', thus forming the third board unit 730'. On the other hand, the second board unit 720' is roughly stepped. When an insulating body combined with the board assembly 700' is sleeved in a corresponding first housing, the second board unit 720' and the third board unit 730' are respectively used to communicate with the board assembly 700'. The two opposite inner walls of the first casing are electrically connected.

To sum up, since the guiding parts 714, 714' of the universal serial bus connector 10 of the present invention are made of the same metal material as the board assembly 700, 700' for grounding, when the guiding parts 714, 714' are guiding When a mating connector makes electrical contact with the electrical contact portions 712, 712' of the USB connector 10, it can not only provide cushioning elasticity when the two collide, but also prevent the mating connector from passing through multiple times. The wear problem caused by unplugging. In addition, the USB connector 10 of the present invention uses a vertical wall formed by lateral bending of the first plate unit 710, 710' as the electrical contact portion 712, 712', and the vertical wall The height H is greater than the thickness D of the first board unit 710, thereby increasing the area of the electrical contact portion 712, 712' that is in electrical contact with the docking connector, so that the universal serial bus connector 10 of the present invention is compatible with The butt connector has a good electrical contact effect between the two.

Although the utility model has been disclosed as above with preferred embodiments, it is not intended to limit the utility model. Those of ordinary skill in the technical field to which the utility model belongs can act as Various changes and modifications, so the protection scope of the utility model should be defined by the scope of the claims.

Claims (16)

1. A universal serial bus connector comprising: a first shell; Multiple rows of terminals; an insulating body, sleeved in the first housing and accommodating a part of each of the terminals; a base assembly for accommodating another portion of each of said terminals and for combining with said insulating housing; And it is characterized in that, described universal serial bus connector also comprises: A board assembly, combined with the insulating body, the board assembly includes: A first panel unit, comprising: at least one guide portion; At least one electrical contact portion, wherein the at least one guide portion and the at least one electrical contact portion are exposed outside the insulating body, the at least one guide portion is located at a corner of one end of the first panel unit, and for guiding a mating connector into electrical contact with the at least one electrical contact; and at least one connection portion extending from the other end of the first board unit to the outside of the insulating body, for electrically connecting a circuit board; and A second board unit and a third board unit are respectively located on two opposite sides of the first board unit, and are used for electrically connecting with two opposite inner walls of the first housing. 2. The USB connector according to claim 1, wherein the at least one electrical contact portion is bent laterally from the first board unit to form a vertical wall, and in a specific direction The height of the standing wall is greater than the thickness of the first panel unit. 3. The USB connector according to claim 1, wherein the at least one guide portion is bent from the first plate unit, and forms an arc or slope to guide the described mating connector. 4. The Universal Serial Bus connector according to claim 1, wherein the at least one guide portion is disposed separately from the first board unit, and forms an arc or slope to guide the docking Connector. 5. The universal serial bus connector according to claim 1, wherein the second plate unit and the third plate unit are respectively bent toward two opposite directions from the first plate unit made. 6. The USB connector as claimed in claim 1, wherein the third board unit is bent from the first board unit, and the second board unit and the The above-mentioned first panel unit is arranged separately. 7. The universal serial bus connector according to claim 1, characterized in that, the universal serial bus connector also has a second housing for making the first housing sleeved on the in the second housing. 8. The USB connector as claimed in claim 1, wherein the board assembly is combined with the insulating housing in an insert molding manner. 9. A universal serial bus connector comprising: a first shell; Multiple rows of terminals; an insulating body, sleeved in the first housing and accommodating a part of each of the terminals; a base assembly for accommodating another portion of each of said terminals and for combining with said insulating housing; And it is characterized in that, described universal serial bus connector also comprises: A board assembly, combined with the insulating body, the board assembly includes: A first panel unit, comprising: at least one electrical contact portion, the at least one electrical contact portion is exposed outside the insulating body, and is used for electrical contact with a mating connector, wherein the at least one electrical contact portion is from the side of the first panel unit bent to form a vertical wall, the height of the vertical wall in a specific direction is greater than the thickness of the first panel unit; and at least one connecting portion extending from one end of the first board unit to the outside of the insulating body, for electrically connecting a circuit board; and A second board unit and a third board unit are respectively located on two opposite sides of the first board unit, and are used for electrically connecting with two opposite inner walls of the first housing. 10. The USB connector as claimed in claim 9, wherein the first board unit of the board assembly further comprises at least one guide portion exposed outside the insulating body, and A corner located at the other end of the first board unit is used to guide the docking connector to make electrical contact with the at least one electrical contact portion. 11. The Universal Serial Bus connector according to claim 10, wherein the at least one guide portion is bent from the first plate unit and forms an arc or slope to guide the described mating connector. 12. The Universal Serial Bus connector according to claim 10, wherein the at least one guide part is provided separately from the first plate unit, and forms an arc or slope to guide the mating Connector. 13. The universal serial bus connector according to claim 9, wherein the second plate unit and the third plate unit are respectively bent toward two opposite directions from the first plate unit made. 14. The USB connector as claimed in claim 9, wherein the third board unit is bent from the first board unit, and the second board unit and the The above-mentioned first panel unit is arranged separately. 15. The universal serial bus connector as claimed in claim 9, characterized in that, the universal serial bus connector also has a second housing for making the first housing sleeved on the in the second housing. 16. The USB connector of claim 9, wherein the board assembly is combined with the insulating housing in an insert molding manner.