TWM550488U - Electrical connector and assembly thereof - Google Patents

Abstract

The present invention discloses an electrical connector and a circuit board. The connector includes an upper row of terminals and a lower row of terminals with each contacting portion of one row of the terminals being in line with that of one another row of the terminals in a vertical direction, which is the same with each engaging portion. Wherein each engaging portion is through-hole type and spaced from each other by a first center-to-center spacing equally. Each row of terminals consists of a grounding terminal, a power terminal, four signal terminals, a power terminal and a grounding terminal in series. The circuit board is provided with first and second rows of through holes respectively for inserting the engaging portions of the terminals of the upper and lower rows. The first and second rows of through holes are aligned with each other, and the aligned grounding through holes connect to each other in a first connecting trail, and the aligned power through holes connect to each other in a second connecting trail. Compared with the prior art, the engaging portion of the present invention reduces the cost of the connector while satisfying the transmission of the data signal and the power source, and the circuit arrangement of the circuit board is relatively simple further reducing the manufacturing cost.

Description

Electrical connector and combination thereof

This creation relates to an electrical connector and combinations thereof.

On August 11, 2014, the USB Association announced a new type of electrical connector with a plug connector that can be inserted into the corresponding socket connector in both directions. The socket connector can transmit USB 2.0 and USB 3.1 signals. This connector is named USB Type C connector. According to the news reported by the industry, the electrical connector has a large potential for development, and each connector manufacturer cooperates with the system manufacturer to actively develop it.

The USB Type C specification specifies that it can transmit USB3.1 and USB2.0 transmission signals. However, in actual end-customer requirements, customers pay more attention to the concept of forward and reverse insertion, but hope to only transmit USB2.0 or transmission power. Under the micro-profit industry trend, in addition to meeting the general needs, it can also reduce costs. Therefore, it is desirable to design a USB 2.0 Type C board-side connector that has a low cost per connector and can also improve the corresponding board layout.

The purpose of this creation is to provide an electrical connector and combinations thereof to reduce the electrical connector footprint of the board and the circuit layout of the board.

In order to achieve the foregoing object, the electrical connector of the present invention and the combination thereof can be realized by the following technical solutions: an electrical connector for mounting on a circuit board, the electrical connector comprising an insulating body and being fixed on the insulating body a row of terminals and a row of lower ends, the insulative body having an opposite upper surface and a lower surface, the insulative housing includes a base and a butt tongue extending from the base, the upper and lower rows of terminals including a middle portion fixed to the insulative housing, a contact portion extending from the intermediate portion, and a base extending from the intermediate portion a contact portion of the upper row of terminals exposed on an upper surface of the mating tongue, the contact portion of the lower row of terminals is exposed on a lower surface of the mating tongue and the contact portions of the upper and lower rows of terminals are each other An alignment arrangement; the upper and lower rows of terminals are respectively composed of a grounding terminal, a power supply terminal, four signal terminals, one power terminal and one grounding terminal; the pins of the upper and lower terminals are respectively arranged; Each of the rows is arranged in a row and aligned one on another, the pins being of a through-hole type and spaced apart from each other by a first center-to-center spacing.

To achieve the foregoing objects, the present electrical connector and combinations thereof can be implemented by the following technical solutions: an electrical connector assembly including an electrical connector and a circuit board mounted horizontally on the upper surface of the circuit board The electrical connector includes an insulative housing and an upper row of terminals and a lower row of terminals fixed to the insulative housing, wherein each of the upper and lower rows of terminals includes a contact portion fixed to an intermediate portion of the insulative housing, extending from the intermediate portion, and a pin extending at an intermediate portion, the circuit board is provided with a first row of through holes for inserting pins of the upper row of terminals and a second row of through holes for inserting pins of the lower row of terminals; the first and second The through holes are respectively composed of one ground through hole, one power through hole, four signal through holes, one power through hole, one ground through hole and the like, and the first through the second through holes are one by one. Aligning, the ground vias aligned with each other in the first and second rows of through holes are connected to each other by a first connection path, and the power supply through holes aligned with each other in the first and second rows of through holes are connected to each other by a second connection path Connection, in the first row of through holes The third signal through hole and the third signal through hole of the second row of through holes are connected to each other by a third connecting path, and the third of the first row of through holes and the second of the second row of through holes The two signal through holes are connected to each other by a fourth connection path.

Compared with the prior art, the electrical connector of the present invention and the combination thereof have the following effects: the wiring arrangement is relatively simple, and the manufacturing cost is reduced.

100‧‧‧Electrical connector

101‧‧‧ docking chamber

10‧‧‧Insulated body

11‧‧‧ base

10a‧‧‧ upper surface

112‧‧‧through slot

12‧‧‧Connecting tongue

20G‧‧‧ grounding terminal

20P‧‧‧Power terminal

20S‧‧‧ signal terminal

20a‧‧‧Upper terminal

20b‧‧‧lower terminal

21, 21a, 21b‧ ‧ contact

22, 22a, 22b‧‧‧ middle part

23, 23a, 23b‧‧‧ feet

241‧‧‧Material cutting wings

40‧‧‧Metal casing

50‧‧‧shading board

61‧‧‧Next module

611‧‧‧ shed

L1‧‧‧first center spacing

L2‧‧‧Second center spacing

L3‧‧‧ third center spacing

900‧‧‧Circuit board

901‧‧‧ upper surface

902‧‧‧ lower surface

91‧‧‧First row of through holes

92‧‧‧Second row of through holes

G‧‧‧ grounding through hole

P‧‧‧Power through hole

S1-S4‧‧‧Signal Through Hole

931‧‧‧First connection path

932‧‧‧Second connection path

933‧‧‧ third connection path

934‧‧‧fourth connection path

941‧‧‧First conductive line connection

942‧‧‧Second conductive line

B1‧‧‧ rear edge

The first figure is a perspective view of the electrical connector assembly of the present invention; the second figure is a perspective view of the electrical connector removing the metal casing shown in the first figure; the third figure is the second connector shown in the second figure to remove the second injection molding. A perspective view of the formed insulating material; the fourth figure is a perspective view of the electrical connector at another angle shown in the third figure; the fifth figure is a perspective view of the upper and lower rows of terminals and the shielding plate; the sixth figure is the upper and lower terminals A top view mounted on the circuit board; and a seventh plan view of the circuit board shown in the first figure.

Referring to the first to second figures, the present invention discloses an electrical connector 100 mounted on a circuit board 900. In this embodiment, the electrical connector is a USB Type C board connector capable of transmitting a USB 2.0 signal. The electrical connector 100 includes an insulative housing 10 and an upper row of terminals 20a and 20b fixed to the insulative housing. The insulative housing 10 includes a base portion 11 and a mating tongue 12 extending from the base. The insulative housing has an upper portion. The surface 10a and the lower surface, that is, the corresponding base and the butt tongue have corresponding upper and lower surfaces. The metal casing 40 is fixed to the base 11 and surrounds the butt tongue 12 to form a docking cavity 101 between the metal casing and the butt tongue. In conjunction with the fifth figure, a shielding plate 50 is further disposed between the upper and lower rows of terminals 20a, 20b, and the shielding plate electrically isolates the upper and lower rows of terminals from each other. Referring to the third and fourth figures, the shielding plate 50 and the lower row of terminals 20b are positioned with each other by a mold, and then the lower module 61 is formed by injection molding. The upper surface of the lower module is formed with a barrier 611; 20a is placed on the upper surface of the lower module, and is initially positioned by the barrier; finally, the lower module and the upper terminal 20a are again marked. Molded to form a complete insulative body 10. In conjunction with the fifth figure, each of the upper and lower rows of terminals includes a middle portion 22 fixed to the insulative housing, a contact portion 21 extending from the intermediate portion, and a pin 23 extending from the intermediate portion to the base portion, the upper row of terminals The contact portion 21a is exposed on the upper surface of the butt tongue 12, and the contact portion 21b of the lower row of terminals is exposed on the lower surface of the butt tongue. In the second injection molding, the middle portion of the upper row of terminals is connected to each other by a bridge (the bridge structure is not shown in the third figure and the fourth figure, and the bridge structure is formed in the actual state during the manufacturing process). In addition to facilitating the positioning in the automated production process, the impact of the plastic flow on the upper row of terminals during the second injection molding process is further avoided. Therefore, in conjunction with the second figure, the base portion 11 is provided with a through groove 112 penetrating the upper surface and the second surface thereof, the material bridge is exposed in the through groove, and then cut off to leave the tape cutting blade 241, that is, in the final product, The upper row of terminals 20a has strip cutting fins 241 that are exposed in the slots. The pins 23a and 23b of the upper and lower rows of terminals are all through-hole type and are respectively located on opposite sides of the through slot 112.

Referring to the sixth figure, the upper and lower rows of terminals are respectively composed of a grounding terminal 20G, a power terminal 20P, four signal terminals 20S, a power terminal 20P and a ground terminal 20G. The contact portions 21 of the upper and lower rows of terminals are aligned one on another (in the sixth figure, the contact portions are aligned, the contact portions of the lower row of terminals are blocked and not seen), and the power terminals and signal terminals in the upper and lower rows of terminals The intermediate portions 22a and 22b are bent in a symmetrical manner to both sides, so that the pins 23 of the upper and lower rows of terminals are arranged in a row and aligned with each other one by one (in the sixth figure, the pins 23 are aligned, the lower row The pin 21 of the terminal is blocked and not seen). The contact portions 21 of the upper and lower rows of terminals have different center spacings, and the pins 23 have the same center pitch. Specifically, the pins 23 of the upper and lower rows of terminals are spaced apart from each other by the first center. a distance L1, a second center distance L2 between the ground terminal and the contact portion 21 of the power terminal, and a third center distance L3 between the contact portions of the signal terminals; the second center distance L2 is greater than the third center distance L3, the first center The spacing L1 is smaller than the second center spacing L2 and is large At the third center distance L3. In the preferred embodiment, the four signal terminals 20S are respectively a detection terminal, a pair of USB2.0 terminals and a reserved terminal, so that the terminal setting can realize the transmission of the USB 2.0 Type-C with a separate USB2.0 signal, Either separate power supply or simultaneous transmission of USB2.0 signal and power. The design of the above connector provides a prerequisite for the subsequent improvement of the circuit board.

Referring to the seventh figure, in the seventh figure, the lower diagram shows a schematic view of the surface 901 of the circuit board facing upward (ie, the normal angle at which the electrical connector is placed), and the upper icon shows that the rear edge B1 of the circuit board 900 is rotated upward by 180 degrees to display the lower side. The schematic diagram of the surface 902 can be arranged so as not to change the order of the through holes in the left and right direction, which is convenient for understanding. The electrical connector 100 is horizontally mounted on the upper surface 901 of the circuit board 900. The circuit board 900 is provided with a first through hole 91 for inserting the pin 23a of the upper row terminal 20a and a pin for the lower row terminal 20b. The second row of through holes 92 inserted into the 23b. Matching with the corresponding pins, the first and second rows of through holes are sequentially followed by a ground via G, a power via P, four signal vias S1-S4, a power via P, and a The ground through hole G and the like are composed of eight through holes, and the first and second rows of through holes 91 and 92 are aligned one by one. The ground vias G aligned with each other in the first and second rows of vias are connected to each other by a first connection path 931, and the second connection paths are between the power supply vias P aligned with each other in the first and second rows of vias. The 932 is connected to each other, and the second signal through hole S2 of the first row of through holes and the third signal through hole S3 of the second row of through holes are connected to each other by the third connection path 933, and the first row of the through holes The third signal through hole S3 and the second signal S2 through holes of the second row of through holes are connected to each other by the fourth connection path 934. The first, second, and third connection paths 931, 932, and 933 are disposed on the upper surface 901 of the circuit board, and the fourth connection path 934 is disposed on the lower surface 902 of the circuit board. Each of the first row of through holes 91 is electrically connected to the system by a first conductive line connection 941 located on the surface of the circuit board, and the first and fourth signal through holes in the second row of through holes 92. S1 and S4 are respectively connected by a second conductive line 942 located on the lower surface of the circuit board, and the second conductive line passes through the gap between the first and second through holes to be electrically connected to the system. Terminal pin setting of the utility model The footprint of the pin on the surface of the circuit board can be reduced, and the through hole of the circuit board is designed in such a manner that the surface of the circuit board can be fully utilized to simplify the line arrangement.

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.

L1‧‧‧first center spacing

20G‧‧‧ grounding terminal

20P‧‧‧Power terminal

20S‧‧‧ signal terminal

21‧‧‧Contacts

22a, 22b‧‧‧ middle part

L2‧‧‧Second center spacing

L3‧‧‧ third center spacing

Claims (10)

An electrical connector is mounted on a circuit board and includes: an insulative housing having opposite upper and lower surfaces, the insulative housing including a base and a butt tongue extending from the base; and an upper row of terminals and a lower row The terminal is fixed to the insulative housing, and each of the upper and lower rows of terminals includes a contact portion fixed to an intermediate portion of the insulative housing, extending from the intermediate portion, and a pin extending from the intermediate portion to the base portion, the upper row The contact portion of the terminal is exposed on the upper surface of the mating tongue, the contact portion of the lower row of terminals is exposed on the lower surface of the mating tongue and the contact portions of the upper and lower rows of terminals are aligned with each other; wherein The upper and lower rows of terminals are respectively composed of one grounding terminal, one power terminal, four signal terminals, one power terminal and one grounding terminal, and the pins of the upper and lower rows of terminals are arranged in a row and mutually One by one aligned, the pins are of a through-hole type and are spaced apart from each other by a first center-to-center spacing. The electrical connector of claim 1, wherein the ground terminal has a second center-to-center spacing between the contacts of the power terminals, and the signal terminals have a third center-to-center spacing, wherein the second center The spacing is greater than the third center spacing. The electrical connector of claim 2, wherein the first center spacing is less than the second center spacing and greater than the third center spacing. The electrical connector of claim 3, wherein the intermediate portion of the power supply terminal and the signal terminal of the upper and lower rows of terminals includes a bent portion that is symmetrically offset to both sides. The electrical connector of claim 1 or 4, wherein the base is provided with a through slot extending through the upper and lower surfaces thereof, the upper row of terminals having a strip cutting wing exposed in the through slot. The electrical connector of claim 5, wherein the pins of the upper and lower rows of terminals are respectively located on opposite sides of the through slot. An electrical connector assembly comprising: an electrical connector comprising an insulative housing and an upper row of terminals and a lower row of terminals fixed to the insulative housing, wherein each of the upper and lower rows of terminals is fixed in an intermediate portion of the insulative body, from the middle a portion extending the contact portion and a pin extending from the intermediate portion; and the circuit board is provided with a first row of through holes for inserting the pins of the upper row of terminals and a second row of through holes for inserting the pins of the lower row of terminals The electrical connector is horizontally mounted on an upper surface of the circuit board; wherein the first and second rows of through holes are sequentially provided by a grounding through hole, a power through hole, four signal through holes, and a power supply a through hole, a ground through hole and the like, the first through hole are aligned with each other, and the ground through holes aligned with each other in the first and second rows of through holes are mutually connected by the first connecting path Connecting, the power through holes aligned with each other in the first and second rows of through holes are connected to each other by a second connection path, and the second of the first row of through holes and the third of the second row of through holes The signal vias are connected to each other by a third connection path, A row of through holes in the third row and the second signal via the second through hole connected to each other by a signal via the fourth connection path. The electrical connector assembly of claim 7, wherein the first, second, and third connection paths are disposed on an upper surface of the circuit board, and the fourth connection path is disposed on a lower surface of the circuit board. The electrical connector assembly of claim 7 or 8, wherein each of the first through holes is connected by a first conductive line on a surface of the circuit board, and the second through hole The first and fourth signal vias are respectively connected by a second conductive line located on the lower surface of the circuit board and the second conductive line passes through a gap between the first and second rows of through holes. The electrical connector assembly of claim 7, wherein the contact portions of the upper and lower rows of terminals have different center spacings, the pins having the same center spacing.