TWI535128B - Electrical connector - Google Patents

Description

Electrical connector

The present invention is directed to an electrical connector.

U.S. Patent No. 8,353,726 discloses an electrical connector in which the ground terminal and the signal terminal of the electrical connector are separated by an insulating material which affects signal transmission rate and signal integrity. The Chinese Patent Application No. CN201220681334.6 discloses an electrical connector comprising an insulative housing, a grounding terminal and a signal terminal, wherein the separation between the contact portion of the grounding terminal and the contact portion of the signal terminal is partially removed. Although the separation between the grounding terminal of the electrical connector of the Chinese patent application No. CN201220681334.6 and the signal terminal is partially removed, this method cannot meet the requirements of higher signal transmission rate and higher signal integrity. .

In accordance with the above problems, the present invention correspondingly proposes new and different electrical connectors.

The electrical connector of an embodiment of the invention comprises an elongated insulating body, a terminal positioning member and a first set of terminals. The elongate insulative housing includes a base and a socket extending forwardly from the base. The base of the insulative housing is provided with a plurality of terminal slots extending to the plug portion. The terminal locating member is disposed at a rear end of the base of the insulative housing. The terminal locating member includes a plurality of positioning slots and spaced ribs between the positioning slots. The first set of terminals are mounted on the terminal slots of the insulative housing. The first set of terminals includes at least a pair of signal terminals composed of two adjacent signal terminals and a ground terminal respectively located on opposite sides of the pair of signal terminals. Each terminal of the first set of terminals includes a first retaining portion retained in the corresponding terminal slot, a first contact portion extending from the first retaining portion to the plug portion, and a first positioning extending rearward from the first retaining portion Department and a first tail. The first positioning portion of each of the signal terminal and the ground terminal is received in a corresponding positioning slot of the terminal positioning member. Among the spaced ribs associated with the first set of terminals, the spaced ribs between the first positioning portions of the signal terminal pairs of the first set of terminals are The spacing rib between the first positioning portion of the signal terminal and the first positioning portion of the adjacent ground terminal is short. a short spacing rib between the first positioning portion of the signal terminal and the first positioning portion of the adjacent ground terminal causes a side between the first positioning portion of the signal terminal and the first positioning portion of the adjacent ground terminal The side between the first positioning portions of the signal terminal pair has a larger direct facing area.

In at least some embodiments of the invention, the signal terminal pairs of the first set of terminals of the electrical connector are separated by longer spaced ribs, and the shorter length of the ribs between the signal terminals and the ground terminals of the first set of terminals To separate, so that the side between the signal terminal and the adjacent ground terminal has a larger direct facing area with respect to the two signal terminals, thereby being able to reduce each terminal or the first group of terminals of the first group of terminals The signal crosstalk generated by the coupling between the two is beneficial to high-speed signal transmission and signal integrity.

1‧‧‧Electrical connector

11‧‧‧Insulation body

12‧‧‧Terminal positioning parts

13‧‧‧First set of terminals

14‧‧‧Second group terminal

15‧‧‧third group terminal

100‧‧‧ front and rear direction

111‧‧‧ base

112‧‧‧Interface

113‧‧‧Terminal slot

114‧‧‧ Guide groove

115‧‧‧Combination Department

121‧‧‧ positioning slot

122a, 122b, 122c, 122d, 122e‧‧‧ spacer ribs

123‧‧‧Boss

126‧‧‧Kegu structure

131‧‧‧Signal terminals

131g‧‧‧Signal terminal pair

132‧‧‧ Grounding terminal

141‧‧‧Signal terminals

141g‧‧‧Signal terminal pair

142‧‧‧ Grounding terminal

151, 151a‧‧‧ terminals

1121‧‧‧ Socket slot

1221, section 1222‧‧‧

1261‧‧‧ hook

1262‧‧‧Guide bars

1301‧‧‧First Holding Department

1302‧‧‧First contact

1303‧‧‧First Positioning Department

1304‧‧‧First tail

1305‧‧‧ side

1401‧‧‧Second Holding Department

1402‧‧‧Second contact

1403‧‧‧Second Positioning Department

1404‧‧‧second tail

1501‧‧ Third Support Department

1502‧‧ Third contact

1503‧‧‧The third positioning department

1504‧‧‧3rd tail

12111, 12113‧‧‧ inner wall

12112‧‧‧Interval area

13011‧‧‧Opening

1 is a schematic view of an electrical connector in accordance with an embodiment of the present invention.

2 is another schematic view of an electrical connector in accordance with an embodiment of the present invention.

3 is another schematic view of an electrical connector in accordance with an embodiment of the present invention.

4 is a schematic view of an embodiment of the present invention, illustrating an assembly of an elongated insulative housing and a terminal locating member, and a separate terminal.

FIG. 5 is a schematic view of an insulating body and a terminal positioning member according to an embodiment of the invention.

Figure 6 is another schematic view of an electrical connector in accordance with an embodiment of the present invention.

Figure 7 is a cross-sectional view taken along line 1000-1000 of Figure 6.

Figure 8 is a cross-sectional view taken along line 2000-2000 of Figure 6.

Referring to FIGS. 1 to 5, the electrical connector 1 includes an elongated insulating body 11, a terminal positioning member 12, and at least a first set of terminals 13. At least one first set of terminals 13 includes a plurality of terminals. At least one first set of terminals 13 can be assembled on a combination of the elongated insulating body 11 and the terminal locating members 12.

The insulative housing 11 includes a base portion 111, a plug portion 112, and a plurality of terminal slots 113. The insertion portion 112 extends forward from the base portion 111. The plug portion 112 is for plugging in the docking device. The plurality of terminal grooves 113 are provided in the base portion 111 of the insulative housing 11. The plurality of terminal slots 113 extend to the plug portion 112.

Referring to FIGS. 4 and 5, the terminal positioning member 12 is disposed at the rear end of the base portion 111 of the insulative housing 11. The terminal locating member 12 includes a plurality of positioning grooves 121 and a plurality of spaced ribs (122a, 122b, 122c, 122d and 122e), wherein the positioning groove 121 is located between the plurality of spaced ribs (122a, 122b, 122c, 122d and 122e). The first set of terminals 13 can extend through corresponding locating slots 121 and are sandwiched between corresponding spaced ribs (122c and 122d).

Referring to FIG. 5, in some embodiments, the terminal locating member 12 is integrally formed with the insulative housing 11. In some embodiments, the terminal locator 12 and the insulative housing 11 are of two separate configurations. Two sides of the terminal locating member 12 are provided with a fastening structure 126 , and the fastening structure 126 can be locked on the insulating body 11 . In some embodiments, the fastening structure 126 includes a hook 1261 and a guide strip 1262. Correspondingly, the insulative housing 11 includes a guiding groove 114 and a joint portion 115. When the terminal positioning member 12 is assembled to the insulative housing 11, the guiding strip 1262 can be moved under the guiding groove 114. After the terminal positioning member 12 is assembled to the insulative housing 11, the hook 1261 can hook the joint portion 115 to fix the terminal positioning member 12 to the insulative housing 11.

Referring to FIGS. 3 and 4 , the first set of terminals 13 are mounted to corresponding terminal slots 113 of the insulative housing 11 . The first set of terminals 13 includes at least two adjacent signal terminals 131. Two adjacent signal terminals 131 may constitute a signal terminal pair 131g. The first set of terminals 13 may further comprise at least two grounding terminals 132, wherein the two grounding terminals 132 are respectively located on opposite sides of the pair of signal terminals 131g.

Each terminal (131 or 132) of the first set of terminals 13 includes a first holding portion 1301, a first contact portion 1302, a first positioning portion 1303, and a first tail portion 1304. Referring to FIG. 6 and FIG. 7 , in each terminal (131 or 132), the first holding portion 1301 can be retained in the corresponding terminal slot 113, and the first contact portion 1302 can be extended from the first holding portion 1301 to the plug portion. The first positioning portion 1303 can be extended toward the rear of the first positioning portion 1301 and can be received in the corresponding positioning groove 121 of the terminal positioning member 12 . The first tail portion 1304 can be connected to the first positioning portion 1303 .

Referring to FIG. 4, a spacing rib 122d extends between the first positioning portions 1303 of the signal terminal pair 131g of the first group of terminals 13 and a first positioning portion 1303 of the signal terminal 131. A spacing rib 122c extends between the first positioning portion 1303 of the adjacent grounding terminal 132, wherein the spacing rib 122d is longer than the spacing rib 122c; or in the spacing ribs (122c and 122d) associated with the first set of terminals 13. The spacer ribs 122d are longer and the spacer ribs 122c are shorter. Since the spacing ribs 122c between the first positioning portion 1303 of the signal terminal 131 and the first positioning portion 1303 of the adjacent ground terminal 132 are shorter, the first positioning portions 1303 of the signal terminal pair 131g are compared with each other. The side edge 1305 of the first side, the side edge 1305 between the first positioning portion 1303 of the signal terminal 131 and the first positioning portion 1303 of the adjacent ground terminal 132 has a large direct facing area, and this is larger. The design directly facing the exposed area can reduce the signal crosstalk generated by the terminals (131 or 132) of the first group of terminals 13 or the coupling between them, thereby facilitating high-speed transmission of signals and signal integrity, and The electrical connector 1 meets the requirements for reducing near-end crosstalk at high speeds.

In some embodiments, the first retention portion 1301 of each terminal (131 or 132) of the first set of terminals 13 includes at least one opening 13011, as shown in FIG. The opening 13011 can reduce the coupling capacitance of the first group of terminals 13 and improve the characteristic impedance of the time domain reflectometry of the electrical connector 1.

Referring to FIG. 4, in some embodiments, the first group of terminals 13 includes a total of seven terminals (131 and 132) such as three ground terminals 132 and two sets of signal terminal pairs 131g. Seven terminals (131 and 132) are arranged side by side. The three grounding terminals 132 can be respectively disposed between the two sets of signal terminal pairs 131g and the two outer sides; or the three grounding terminals 132 and the two sets of signal terminal pairs 131g are staggered and arranged such that the grounding terminals are disposed on the two sides of each of the signal terminal pairs 131g. 132.

In some embodiments, the width of the portion 1221 of the spacer rib 122d that is longer than the spacing rib 122c is less than the width of the spacing rib 122c or other portions of the spacing rib 122d.

Referring to Figure 4, the electrical connector 1 includes a second set of terminals 14. The second set of terminals 14 can include at least two adjacent signal terminals 141 and two ground terminals 142. Two adjacent signal terminals 141 may constitute a signal terminal pair 141g, and two ground terminals 142 may be respectively located on two sides of the signal terminal pair 141g. Each of the terminals (141 or 142) includes a second holding portion 1401, a second contact portion 1402, a second positioning portion 1403, and a second tail portion 1404. Referring to FIG. 4, FIG. 6, and FIG. 8, in each terminal (141 or 142), the second holding portion 1401 is held in the corresponding terminal slot 113; the second contact portion 1402 is extended from the second holding portion 1401 to the insertion. Connection 112; second fixed The position portion 1403 extends rearward by the second holding portion 1401; and the second tail portion 1404 is coupled to the second positioning portion 1403. The second positioning portion 1403 of each terminal (141 or 142) of the second group of terminals 14 can be received in the corresponding positioning slot 121 on the terminal positioning member 12.

Referring to FIG. 4, a spacer rib 122b extends between the second positioning portions 1403 of the signal terminal pair 141g of the second group terminal 14 and a second positioning portion 1403 and a phase of the signal terminal 141 of the second group terminal 14. Spacer ribs 122a extend between the second positioning portions 1403 of the adjacent ground terminals 142, wherein the spacing ribs 122b are longer than the spacing ribs 122a; or in the spacing ribs 122a and 122b associated with the second group of terminals 14, The ribs 122b are longer and the spacing ribs 122a are shorter. In some embodiments, the width of the portion 1222 of the spacer rib 122b that is longer than the spaced rib 122a is less than the width of the spacer rib 122a or other portions of the spacer rib 122b. In this way, the second positioning portion 1403 of the signal terminal pair 141g and the second positioning portion 1403 of the adjacent ground terminal 142 have a large direct facing exposed area design, so that the second group of terminals 14 can be lowered. The signal crosstalk generated by the coupling of each terminal (141 or 142) or between them facilitates high-speed transmission of signals and signal integrity, and allows the electrical connector 1 to meet the requirement of reducing near-end crosstalk at high speed transmission.

In some embodiments, the second set of terminals 14 includes a total of seven terminals (141 and 142) of three ground terminals 142 and two sets of signal terminal pairs 141g. Seven terminals (141 and 142) are arranged side by side. The three grounding terminals 142 can be respectively disposed between the two sets of signal terminal pairs 141g and the two outer sides; or the three grounding terminals 142 and the two sets of signal terminal pairs 141g are staggered and arranged such that the grounding terminals of the two sides of each signal terminal pair 141g are disposed. 142.

Referring to Figure 4, the electrical connector 1 includes a third set of terminals 15. Each terminal 151 of the third group of terminals 15 includes a third holding portion 1501, a third contact portion 1502, a third positioning portion 1503, and a third tail portion 1504. In each of the terminals 151, the third holding portion 1501 is held in the corresponding terminal groove 113. The third contact portion 1502 extends from the third holding portion 1501 to the insertion portion 112. The third positioning portion 1503 extends rearward by the third holding portion 1501. The third tail portion 1504 is coupled to the third positioning portion 1503. The third positioning portion 1503 of each terminal 151 of the third group of terminals 15 is received in the corresponding positioning slot 121 of the terminal positioning member 12. The spacing ribs 122e between the third retaining portions 1501 of the terminals 151 of the third set of terminals 15 are of equal length.

In some embodiments, the third set of terminals 15 includes fifteen side-by-side terminals 151. Among the fifteen terminals 151, the contact portion 1502 of the two terminals 151a protrudes forward from the contact portion 1502 of the other terminals 151 of the third group of terminals 15.

Referring to FIG. 3, in some embodiments, the heights of the first positioning portions 1303 of the first group of terminals 13 are different from the heights of the second positioning portions 1403 of the second group of terminals 14 and/or the third group. The height of the third positioning portions 1503 of the terminal 15.

Referring to FIG. 4, the terminal positioning member 12 includes a boss 123. The first positioning portions 1303 of the first set of terminals 13 are located on the bosses 123 such that the first positioning portions 1303 of the first group of terminals 13 are higher than the second positioning portions 1403 or the second terminals of the second group of terminals 14 The third positioning portions 1503 of the three sets of terminals 15.

Referring to FIG. 4, in some embodiments, the first holding portion 1301 of each terminal (131 or 132) of the first group of terminals 13 includes at least one opening 13011, and the terminals of the second group of terminals 14 (141 or The second holding portion 1401 of the 142) and the third holding portion 1501 of each of the terminals 151 of the third group of terminals 15 have no openings.

Referring to FIG. 2, in some embodiments, the plug portion 112 of the electrical connector 1 includes a plug slot 1121. The second contact portion 1402 of each terminal (141 or 142) of the second group of terminals 14 and the third contact portion 1502 of each terminal 151 of the third group of terminals 15 extend on an inner wall surface 12111 of the insertion slot 1121, first The first contact portion 1302 of each terminal (131 or 132) of the group terminal 13 extends on the other inner wall surface 12113, and the second contact portion 1402 and the third group terminal of the terminals (141 and 142) of the second group terminal 14 The third contact portion 1502 of the terminal 151 of 15 is separated by a spacer region 12112. And the first contact portion 1302 of the terminals (131 and 132) of the first group of terminals 13 faces the spacing region 12112.

In at least some embodiments, the electrical connector includes a set of terminals, the signal terminal pairs of the set of terminals being separated by longer spaced ribs, and the shorted spaced ribs between the signal terminals and the grounded terminals of the set of terminals To separate, so that the side between the signal terminal and the adjacent ground terminal has a larger direct facing area with respect to the two signal terminals, thereby being able to reduce the terminals of the set of terminals or between the set of terminals The signal crosstalk generated by the coupling facilitates high-speed signal transmission and signal integrity.

The technical content and technical features of the present disclosure have been disclosed above, but those skilled in the art may still make various modifications based on the teachings and disclosures of the present disclosure without departing from the spirit of the present disclosure. Change and modify. Therefore, the scope of the present disclosure is not to be construed as being limited by the scope of

1‧‧‧Electrical connector

11‧‧‧Insulation body

12‧‧‧Terminal positioning parts

13‧‧‧First set of terminals

14‧‧‧Second group terminal

15‧‧‧third group terminal

111‧‧‧ base

112‧‧‧Interface

113‧‧‧Terminal slot

121‧‧‧ positioning slot

122a, 122b, 122c, 122d, 122e‧‧‧ spacer ribs

123‧‧‧Boss

131‧‧‧Signal terminals

131g‧‧‧Signal terminal pair

132‧‧‧ Grounding terminal

141‧‧‧Signal terminals

141g‧‧‧Signal terminal pair

142‧‧‧ Grounding terminal

151, 151a‧‧‧ terminals

1221, section 1222‧‧‧

1301‧‧‧First Holding Department

1302‧‧‧First contact

1303‧‧‧First Positioning Department

1304‧‧‧First tail

1305‧‧‧ side

1401‧‧‧Second Holding Department

1402‧‧‧Second contact

1403‧‧‧Second Positioning Department

1404‧‧‧second tail

1501‧‧ Third Support Department

1502‧‧ Third contact

1503‧‧‧The third positioning department

1504‧‧‧3rd tail

13011‧‧‧Opening

Claims (13)

An electrical connector comprising: an elongated insulative housing comprising a base and a plug extending forwardly from the base, the base of the insulative housing being provided with a plurality of terminal slots extending to the plug; a terminal positioning a terminal disposed at a rear end of the base of the insulative housing, the terminal positioning member includes a plurality of positioning slots and spaced ribs between the positioning slots; and a first set of terminals mounted on the terminals of the insulative housing a slot, the first group of terminals includes at least a signal terminal pair composed of two adjacent signal terminals and a ground terminal respectively located on opposite sides of the signal terminal pair, and each terminal of the first group terminal includes a holding terminal at the corresponding terminal a first retaining portion extending from the first retaining portion to the first connecting portion, a first positioning portion extending rearward from the first retaining portion, and a first tail portion; wherein The first positioning portion of each of the signal terminals and the terminals of the ground terminals is received in a corresponding positioning slot of the terminal positioning member; wherein the spacer ribs associated with the first group of terminals are located in the first positioning portion Group of ends The spacing rib between the first positioning portions of the signal terminal is longer, and the spacing rib between the first positioning portion of the signal terminal and the first positioning portion of the adjacent ground terminal is shorter. Wherein the shorter spacing rib between the first positioning portion of the signal terminal and the first positioning portion of the adjacent ground terminal causes the first positioning portion of the signal terminal and the adjacent grounding portion The first positioning portion of the terminal The side of the gap has a larger direct facing area than the side between the first positioning portions of the signal terminal pair. The electrical connector of claim 1, wherein the first set of terminals comprises three grounding terminals and two sets of signal terminal pairs, wherein the three grounding terminals and the two sets of signal terminal pairs are staggered and arranged. The electrical connector of claim 1, wherein the first fixing portion of each of the terminals of the first set of terminals comprises at least one opening. The electrical connector of claim 2, further comprising a second set of terminals, wherein the second set of terminals comprises at least a pair of signal terminals consisting of two adjacent signal terminals, and respectively located at the The signal terminal of the two sets of terminals is opposite to the grounding terminal of the two sides, and each of the terminals of the second set of terminals includes a second holding portion held in the corresponding terminal slot, and the second holding portion extends to the plugging portion a second contact portion, a second positioning portion extending from the second holding portion and a second tail portion, wherein the second positioning portion of each terminal of the second group of terminals is received in the corresponding positioning of the terminal positioning member In the slot, wherein the spacing ribs between the second positioning portions of the signal terminal pair of the second group of terminals are located in the second group of the second group of terminals, and the second group is located in the second group The spacing rib between the second positioning portion of the signal terminal of the terminal and the second positioning portion of the adjacent ground terminal is shorter. The electrical connector of claim 4, wherein the second set of terminals comprises three grounding terminals and two sets of signal terminal pairs, wherein the three grounding terminals of the second set of terminals and the two sets of signal terminal pairs are Staggered side by side. The electrical connector according to item 5 of the patent application scope further includes a third The terminal of the third group of terminals includes a third holding portion held in the corresponding terminal slot, a third contact portion extending from the third holding portion to the insertion portion, and a third holding portion a third positioning portion extending toward the rear portion and a third tail portion, wherein the third positioning portion of each terminal of the third group of terminals is received in a corresponding positioning slot of the terminal positioning member, wherein the third group of terminals is located The spaced ribs between the third positioning portions of the terminals are of equal length. The electrical connector of claim 6, wherein the third set of terminals comprises fifteen side-by-side terminals, wherein the third contacts of the two of the fifteen terminals are the third The third contacts of the other terminals of the group terminal project forward. The electrical connector of claim 6, wherein the heights of the first positioning portions of the first group of terminals are different from the second positioning portions and the third group of terminals of the second group of terminals The height of the third positioning portions. The electrical connector of claim 1, wherein the terminal positioning member comprises a boss, and the first positioning portions of the first group of terminals are located on the boss. The electrical connector of claim 6, wherein the first fixing portion of each terminal of the first group of terminals comprises at least one opening, and the second fixing portion of each terminal of the second group of terminals There is no opening in the third fixing portion of each terminal of the third group of terminals. The electrical connector of claim 1, wherein the terminal positioning member and the insulating body are in two separate configurations, and the two sides of the terminal positioning member are provided with a fastening structure for fastening to the insulating body. The electrical connector of claim 11, wherein the fastening structure of the terminal positioning member comprises a hook and a guiding strip, the insulating body is provided with a guiding groove corresponding to the guiding strip and correspondingly combined The joint of the hooks. The electrical connector of claim 6, wherein the plug portion includes a plug slot, and the second group of terminals and the third group of terminals extend on an inner wall surface of the plug slot. The two sets of terminals are separated from the third set of terminals by a spacing area that extends over the other inner wall surface of the insertion slot and faces the spacing area.