TWM464881U - Electrical connector - Google Patents

Description

Electrical connector

The present invention relates to an electrical connector, and more particularly to an electrical connector suitable for high rate transmission.

A related art can be referred to a USB 3.0 electrical connector disclosed in the Chinese Utility Model Patent No. CN202067944U, which is issued on Sep. 28, 2011. The electrical connector includes a mask housing, an insulative housing, a first terminal set and a second terminal set, wherein the first terminal set and the second terminal set are insert-molded in the insulating body, and the mask outer cover is covered In the outer body of the insulating body, the first terminal group and the second terminal group are stamped and formed by the same metal strip, and the terminals of the two terminal groups are staggered and arranged side by side; the first terminal group includes a plurality of first terminals, each first The terminal includes a first soldering portion, a first connecting portion and a first contact portion that are sequentially connected, and the first fixing portion and the first connecting portion have the same width along the first terminal arrangement direction. However, this design is not sufficient for high frequency testing.

Therefore, it is necessary to modify the conventional electrical connector to overcome the above drawbacks.

The main purpose of this creation is to provide an electrical connector that saves manufacturing costs and has high frequency performance.

The purpose of the present invention is achieved by the following technical solutions: an electrical connector comprising an insulative housing, a plurality of terminals held on the insulative housing, and a metal housing shielded from the outside of the insulating body, the terminal including a plurality of first terminals and a plurality of second terminals spaced apart by a terminal, the first terminal being provided with a first soldering portion for connecting with the tape, and a first fixing portion extending forward from the first soldering portion, continuing forward from the first fixing portion a first connecting portion extending and a flat first contact portion extending from the first connecting portion, wherein the second terminal is provided with a second soldering portion spaced apart from the first soldering portion, from the second soldering portion a second extending portion extending forwardly from the second fixing portion and a second elastic connecting portion extending from the second connecting portion, wherein the insulating body comprises a base and a base a tongue plate extending forwardly, the first and second contact portions are exposed on the same side of the tongue plate, and the first contact portions are arranged in a first row along the width direction of the tongue plate, and the second contact portion is arranged to be located First contact Side of the second row, the first fixing portion and a second fixing portion located on the same plane, and the width of each of the first fixing portion in the width direction of the tongue than the respective first connecting portion is wider.

Compared with the prior art, the present electrical connector has the following effects: by widening the first fixing portion, the first fixing portion reduces the impedance, so that the entire conductive terminal can pass the high frequency test and achieve high rate transmission. Requirements.

1‧‧‧Insulating body

10‧‧‧ base

101‧‧‧ front wall

102‧‧‧ rear end wall

103‧‧‧Two side walls

106‧‧‧ top surface

107‧‧‧ containment chamber

11‧‧‧ tongue plate

110‧‧‧ bottom wall

111‧‧‧ Reception trough

112‧‧‧recessed trough

113‧‧‧ top wall

12‧‧‧Installation board

120‧‧‧ Positioning Department

121‧‧‧Support

124‧‧‧ holding slot

2‧‧‧ terminals

3‧‧‧Metal casing

40‧‧‧First terminal

41‧‧‧First contact

42‧‧‧First connection

43‧‧‧First Fixed Department

44‧‧‧First Welding Department

50‧‧‧second terminal

51‧‧‧Second contact

52‧‧‧Second connection

53‧‧‧Second fixed department

54‧‧‧Second welding department

60‧‧‧Material

70‧‧‧Auxiliary tape

The first figure is a three-dimensional combination of the original electrical connector.

The second figure is an exploded perspective view of the present electrical connector.

The third figure is a schematic view of the creation terminal embedded in the insulative body of the electrical connector, wherein the strip connected to the terminal has not been removed.

The fourth figure is a perspective view of the terminal and the strip of the present electrical connector.

The present invention will be further described in detail below by way of embodiments with reference to the accompanying drawings.

Referring to the first to second figures, the present invention includes an insulative housing 1 that is held by a plurality of terminals 2 of the insulative housing 1 and a metal housing 3 that covers the insulative housing 1.

Referring to the third to fourth figures, the insulative housing 1 includes a base and a mounting plate 12 assembled to the base. The base includes a substantially rectangular base portion 10, the base portion 10 includes a front end wall 101, an end wall 102 opposite the front end wall 101, two side walls 103, and a top surface 106 connecting the side walls 103. A tongue plate 11 extends forward from the base portion 10. The tongue plate 11 is provided with a bottom wall 110, a top wall 113 opposite to the bottom wall 110, and a plurality of receiving slots 111 recessed from the bottom wall 110 and extending through the tongue plate 11 The plurality of recessed grooves 112 are at the edge of the tongue 11 at the front end of the receiving groove 111. The base portion 10 forms a receiving cavity 107 between the rear portions of the side walls 103. The mounting plate 12 includes a positioning portion 120 at the rear end and a supporting portion 121 extending forwardly from the positioning portion 120 under the metal casing 3. The positioning portion 120 protrudes upward into the receiving cavity 107 of the base 10 and is provided. A plurality of holding grooves 124 penetrating up and down.

Referring to the second to third figures, the terminal 2 of the present electrical connector includes a plurality of first terminals 40 and a plurality of second terminals spaced apart from the first terminal 40. 50. The first terminal 40 and the second terminal 50 are stamped and formed from the same metal material, and are connected to the material tape 60 as shown in the third and fourth figures. The first terminal 40 is provided with a first soldering portion 44 connected to the strip 60, and is connected to the first soldering portion 44 and held by the first fixing portion 43 of the base portion 10, and continues from the first fixing portion 43. a first connecting portion 42 that is extended and embedded in the tongue 11 and a first contact portion 41 that continues to extend forward from the first connecting portion 42. The first contact portion 41 has a flat shape and is received in the The tongue plate 11 is recessed in the groove 112. The first fixing portion 43 is received in the holding groove 124 of the mounting plate 12 and extends downward beyond the bottom of the mounting plate 12 . The first terminal 40 is widened at its first contact portion 41, and the first contact portion 41 is wider than the corresponding first connecting portion 42. Each of the first fixing portions 43 is wider than the corresponding first connecting portion 42. The arrangement is such that the impedance of the first fixing portion 43 can be reduced, so that the overall impedance of the entire first terminal 40 from the first contact portion 41 to the first solder portion 44 is small, and the high frequency test is passed together to ensure the first terminal 40. The transmission rate is stable and the overall transmission rate is stable.

The second terminal 50 is provided with a second soldering portion 54 connected to the strip 60 and spaced apart from the first soldering portion 44 , and a second fixing portion 53 connected to the second soldering portion 54 and held in the base portion 10 . The second connecting portion 52 extending from the second fixing portion 53 and extending forwardly in the receiving groove 111 of the tongue plate 11 and extending from the end of the second connecting portion 52 forward and downward beyond the bottom wall 110 of the tongue plate 11 The second contact portion 51. The first contact portions 41 are arranged in a first row, and the second contact portions 51 are arranged in a second row on the rear side of the first contact portion 41 and spaced apart from each other between the adjacent first connecting portions 42.

The first fixing portion 43 and the second fixing portion 53 are in the same plane and are spaced apart from each other. The first fixing portion 43 is wider than the second fixing portion 53 so as to be disposed along the direction in which the first terminal 40 is arranged. The second contact portions 51 are spaced apart from each other between the first connecting portions 42 of the first terminal 40. The width of the second contact portion 51 is greater than the width of the corresponding second connecting portion 52, and the second connecting portion 52 is The width is greater than the width of the corresponding second fixing portion 53, that is, the width of the second terminal 50 gradually narrows from the second contact portion 51 in a stepwise manner, and the other portions are minimized under the size of the second contact portion 51. The size is sized to provide deployment space for the first terminal 40 for high speed data transfer.

Referring to the third illustration, the tape 60 is further provided with an auxiliary tape 70 connecting the two first connecting portions 42 on the outer side, and is disposed in the manner of inserting the first terminal 40 into the insulating body 1 When the base 10 is inside, the positioning function can be prevented, and the first contact portion 41 of the first terminal 40 is not twisted and deformed, thereby avoiding the risk of forming a gap between the first contact portion 41 and the plastic.

Further, referring to the third figure, the first terminal 40 includes five, the middle one is a ground terminal, the terminals on both sides of the ground terminal are two pairs of differential signal terminal pairs, and the second terminal 50 includes four. The first terminal 40 and the second terminal 50 together form a USB 3.0 transmission interface conforming to the USB 3.0 transmission protocol. The first fixing portion 43 of the ground terminal of the first terminal 40 is simultaneously widened to the outside with respect to the corresponding first connecting portion 42 , and the two first fixing portions 43 of the two first terminals 40 of the same differential signal terminal pair The width is widened only on one side toward each other, and one side away from each other is collinear with the edge of the corresponding first connection portion 42 to make the layout more compact. The first fixing portion 43 of the first terminal 40 and the second fixing portion 53 of the second terminal 50 are embedded in the insulative housing 1 and are located on the same plane. In the width direction of the tongue plate 11, the first fixing portion 43 of the first terminal 40 is wider than the second fixing portion 53 of the second terminal 50 to reduce the impedance of the first terminal 40 and improve the high frequency performance. . Further, the first fixing portion 43 as the first terminal 40 of the ground terminal is narrower than the other first fixing portions 43.

The first and second fixing portions 43 and 53 of the first terminal 40 and the second terminal 50 extend from the end of the base portion 10 at the same horizontal plane, and then are respectively bent downward to form two rows of front and rear, respectively passing through the holding slots of the mounting plate 12. 124, and further extending the mounting plate 12 for mounting to a circuit board (not shown).

The metal casing 3 is mounted from the front to the rear and covered on the insulative housing 1 and forms a receiving space around the tongue 11 for receiving the mating plug.

In other embodiments, the first fixing portion 43 constituting the first terminal 40 of the differential signal terminal pair may be widened to both sides.

In summary, this creation is in line with the new patent requirements, and the patent application is filed according to law. However, the above description is only a preferred embodiment of the present invention, and the scope of the present invention is not limited to the above embodiments, and those who are familiar with the skill of the present invention are equivalent to the equivalent modifications or changes made by the spirit of the present creation. It should be covered by the following patent application.

40‧‧‧First terminal

41‧‧‧First contact

42‧‧‧First connection

43‧‧‧First Fixed Department

44‧‧‧First Welding Department

50‧‧‧second terminal

51‧‧‧Second contact

52‧‧‧Second connection

53‧‧‧Second fixed department

54‧‧‧Second welding department

60‧‧‧Material

70‧‧‧Auxiliary tape

Claims (9)

An electrical connector includes: an insulative housing comprising a base and a tongue extending forward from the base; a metal housing shielded from the outside of the insulating body; a plurality of terminals secured to the insulative housing, the terminal comprising a plurality of first terminals and a plurality of second terminals spaced apart from the first terminals, the first terminals being provided with a first soldering portion, a first fixing portion extending forward from the first soldering portion, forward from the first fixing portion a first connecting portion continuing to extend and a flat first contact portion extending from the first connecting portion, wherein the second terminal is provided with a second soldering portion spaced apart from the first soldering portion, from the second soldering portion a second fixing portion extending forwardly, a second connecting portion extending from the second fixing portion and continuing to extend forwardly from the second connecting portion, the first and second contact portions Exposing to the same side of the tongue plate, and the first contact portions are arranged in a first row along the width direction of the tongue plate, and the second contact portions are arranged in a second row on the rear side of the first contact portion; wherein the first fixing portion The second fixing portion is located on the same plane And the width of each of the first fixing portion in the width direction of the tongue than the respective first connecting portion is wider. The electrical connector of claim 1, wherein the width of the first fixing portion is greater than the width of the second fixing portion. The electrical connector of claim 1, wherein the second contact portions are spaced apart from each other between adjacent first connecting portions, and the second contact portion is The width is greater than the width of the corresponding second connecting portion, and the width of the second connecting portion is greater than the width of the corresponding second fixing portion. The electrical connector of claim 2, wherein the first terminal comprises five, the middle one is a ground terminal, and the other four form two pairs of differential signal terminal pairs, respectively disposed on two sides of the ground terminal, The first fixing portion of the grounding terminal is simultaneously widened to both outer sides with respect to the corresponding first connecting portion. The electrical connector of claim 4, wherein the two first fixing portions of the two first terminals of the same differential signal terminal pair are widened toward one side of each other. The electrical connector of claim 5, wherein the two first fixing portions of the two first terminals are collinear with the other side of the corresponding first connecting portion away from each other. The electrical connector of claim 4, wherein the width of the first fixing portion of the grounding terminal is smaller than the width of the other first fixing portions. The electrical connector of claim 1, wherein the second terminal gradually decreases in width in a direction from the second contact portion to the second welded portion. The electrical connector of claim 1, wherein the first fixing portion of the first terminal and the second fixing portion of the second terminal are embedded in the insulating body.