CN106058578B - High-speed low-crosstalk upright connector - Google Patents

Abstract

The invention discloses a high-speed low-crosstalk upright connector which comprises an insulating body, signal terminals and a grounding terminal, wherein the signal terminals are coated with insulating layers, a plurality of terminal accommodating grooves are formed in the insulating body, the signal terminals and the grounding terminal are sequentially and correspondingly vertically arranged in the terminal accommodating grooves at intervals, the grounding terminal comprises a substrate, a plurality of elastic arms arranged at the upper end of the substrate and terminal pins arranged at the lower end of the substrate, an interval space is formed between every two adjacent elastic arms, and shielding pieces are arranged in the interval space. The invention has the beneficial effects that: through set up the shielding piece of equidimension not in the interval space between two adjacent elastic arms of ground terminal, realize the unified ground connection to ground terminal to reduce the signal crosstalk in the high-speed transmission, guarantee connector transmission signal integrality.

Description

A high-speed low-crosstalk vertical connector

technical field

The invention relates to the technical field of high-speed connectors, in particular to a high-speed low-crosstalk vertical Mini SASHD connector.

Background technique

In the field of connectors, with the development of communication technology from 4G to 5G, the speed requirements for connectors used in communication equipment are getting higher and higher. The development of a new generation of high-speed connectors has positive significance for the development of communication technology. There are mainly signal terminals and ground terminals in the connector, and a typical connector includes multiple signal terminals and ground terminals; usually, the signal terminals are distributed at close intervals, so that unwanted crosstalk is likely to occur between adjacent signal terminals. Signal integrity is compromised when a signal induces signal interference on adjacent signal terminals. Reducing signal crosstalk has become a difficult point in the design of a new generation of high-speed connectors.

Contents of the invention

In order to solve the above-mentioned problems in the prior art, the object of the present invention is to provide a high-speed low-crosstalk vertical connector, which can reduce signal crosstalk in high-speed transmission by creating shields between signal terminals, and ensure the integrity of the connector transmission signal. integrity.

The technical solution adopted in the present invention is: a high-speed low-crosstalk vertical connector, including an insulating body, a signal terminal, and a grounding terminal. The signal terminal is covered with an insulating layer, and several terminal receiving grooves are arranged in the insulating body. The signal terminals and the ground terminals are sequentially arranged in a vertical arrangement at intervals and correspondingly in the terminal receiving groove, and the ground terminals include a substrate, a plurality of elastic arms arranged on the upper end of the substrate, and terminal feet arranged on the lower end of the substrate. A space is provided between the two adjacent elastic arms, and a shielding part is provided in the space. The top of the insulating body is provided with two connection ports. The two sides perpendicular to the terminal receiving groove in the insulating body are provided with shielding member receiving grooves for holding the shielding member.

The elastic arms of each ground terminal are set in two groups, and each group of elastic arms is correspondingly arranged in two; a first interval space is provided between the two corresponding elastic arms in each group, and the first group A second space is provided between the elastic arm and the second group of elastic arms; the ground terminal is arranged in three pieces, and the shielding piece includes a first shielding piece and a second shielding piece, and the three pieces of grounding terminal are arranged on The first shields in the first space are connected together; the second space between the three ground terminals is provided with a second shield connected to the three ground terminals; the height of the second shield is higher than the elastic the height of the arm. Two pieces of signal terminals are arranged between each adjacent two pieces of ground terminals. The left and right sides of the substrate of each of the ground terminals are provided with buckling positions matched with the terminal receiving grooves.

The signal terminal includes a signal terminal substrate covered with an insulating layer, an elastic arm arranged on the upper end of the signal terminal substrate, and a terminal pin arranged on the lower end of the signal terminal substrate, and the elastic arms of each signal terminal are arranged as two Each set of elastic arms corresponds to two sets; a first space is provided between the two corresponding elastic arms of each set, and a space is provided between the first set of elastic arms and the second set of elastic arms. Second space. The left and right sides of the substrate of the signal terminal are provided with buckling positions matched with the receiving groove.

One side of the first shielding part is provided with a locking slot suitable for the ground terminal; one side of the second shielding part is provided with a locking slot suitable for the grounding terminal; the first shielding part The height is 1/3 of the height of the second shielding part; the numbers of the locking slots of the first shielding part and the second shielding part match with the number of grounding terminals respectively. The first shielding part is vertically arranged to each ground terminal; the second shielding part is vertically arranged to each ground terminal. The first shield is arranged in parallel with the second shield.

The beneficial effects of the present invention are:

1. By setting shields of different sizes in the space between two adjacent elastic arms of the grounding terminal, the unified grounding of the grounding terminal is realized, thereby reducing signal crosstalk in high-speed transmission and ensuring the integrity of the connector transmission signal;

2. Through the fixing of the grounding terminal by the shielding member, the signal terminal and the grounding terminal are sequentially and orderly spaced and correspondingly arranged in the terminal receiving groove, thereby improving the assembly stability of the signal terminal and the grounding terminal in the receiving groove.

Description of drawings

Figure 1 is a perspective view of the present invention.

Figure 2 is a top view of the present invention.

Fig. 3 is a perspective view of the present invention from an inverted angle.

Fig. 4 is a perspective view of the insulating body when no terminals are installed.

5 is an assembled view of the signal and ground terminals and the shield.

Fig. 6 is an assembled view of the ground terminal and the shield.

Fig. 7 is a perspective view of the first shield.

Fig. 8 is a perspective view of the second shield.

FIG. 9 is a structural view of a ground terminal.

FIG. 10 is a structural view of a signal terminal.

in:

Connection port-1 Insulation body-2 Terminal receiving groove-3

Shield receiving slot-4 Ground terminal-5 Signal terminal-6

First Shield-7 Second Shield-8 Locking Slot-9

Terminal pin-10 Buckle position 11 Substrate-12

Elastic arm-13 The first space-14 The second space-15

Insulation layer - 16

Detailed ways

The technical solutions of the present invention will be described below in conjunction with the accompanying drawings and embodiments.

Referring to Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6, and Fig. 9, a high-speed low-crosstalk vertical connector includes an insulating body 2, a signal terminal 6, a ground terminal 5, and a signal terminal 6 Covered with an insulating layer 16, the insulating body 2 is provided with a number of terminal receiving grooves 3, the number of the terminal receiving grooves 3 matches the number of the signal terminals 6 and the grounding terminals 5, and the signal terminals 6 and the grounding terminals 5 are spaced sequentially and orderly Correspondingly arranged vertically in the terminal accommodating groove 3 , two pieces of signal terminals 6 are arranged between every adjacent two pieces of ground terminals 5 . Shield receiving grooves 4 for holding the shield are provided on both sides of the insulating body 2 perpendicular to the terminal receiving groove 3 . Through such a structural arrangement, the signal terminals 6 are closely spaced, thereby reducing unwanted crosstalk between adjacent signal terminals 6 and ensuring that the integrity of the signal is not damaged. The top of the insulating body 2 is provided with two connection ports 1 .

5, 6, and 9, the ground terminal 5 includes a substrate 12, an elastic arm 13 disposed on the upper end of the substrate 12, a terminal pin 10 disposed on the lower end of the substrate 12, and between two adjacent elastic arms 13. Intervals are provided, and the intervals include a first interval 14 and a second interval 15 , shields are provided in each interval, and the shields include a first shield 7 and a second shield 8 . The elastic arms 13 of each ground terminal 5 are arranged in two groups, and each group of elastic arms 13 is correspondingly arranged in two; a first space 14 is arranged between each group of two corresponding elastic arms 13, and the first group of elastic arms 13 A second space 15 is provided between the second set of elastic arms 13 . The ground terminal 5 is arranged in three pieces; the three pieces of ground terminals 5 are connected together through the first shielding member 7 arranged in the first space 14; The second shielding part 8 of the terminal 5 ; the height of the second shielding part 8 is higher than that of the elastic arm 13 . The left and right sides of the substrate 12 of each ground terminal 5 are provided with buckling positions 11 matching with the terminal accommodating groove 3 . The first shielding member 7 is arranged vertically to each ground terminal 5 ; the second shielding member 8 is arranged vertically to each ground terminal 5 . The height of the first shielding element 7 is 1/3 of the height of the second shielding element 8 . The first shield 7 and the second shield 8 are arranged in parallel. This technology realizes uniform grounding of the grounding terminal 5 by setting shields of different sizes in the space between two adjacent elastic arms 13 of the grounding terminal 5, thereby reducing signal crosstalk in high-speed transmission and ensuring the integrity of the signal transmitted by the connector sex.

5, 6, and 10, the signal terminal 6 includes a signal terminal substrate coated with an insulating layer 16, an elastic arm 13 arranged on the upper end of the signal terminal substrate, and a terminal foot arranged on the lower end of the signal terminal substrate. 10. The elastic arms 13 of each piece of signal terminal 6 are arranged in two groups, and each group of elastic arms 13 is correspondingly arranged in two; a first space is provided between each group of two corresponding elastic arms 13 14 , a second space 15 is provided between the first group of elastic arms 13 and the second group of elastic arms 13 . The left and right sides of the signal terminal substrate are provided with buckling positions 11 matched with the terminal receiving groove 3 .

Referring to Fig. 2, Fig. 3, Fig. 7 and Fig. 8, one side of the first shielding member 7 is provided with a locking groove 9 adapted to the ground terminal 5; one side of the second shielding member 8 is provided with a The locking slot 9 that is compatible with the grounding terminal 5; the number of the locking slots 9 of the first shielding part and the second shielding part are respectively matched with the number of the grounding terminal 5. In this embodiment, the number of the grounding terminal 5 The number is set to 3 pieces, therefore, the number of card slots 9 is set to 3.

The above embodiments merely show and describe the basic principles, main features and advantages of the present invention. Those skilled in the industry should understand that the present invention is not limited by the above-mentioned embodiments. What are described in the above-mentioned embodiments and the description only illustrate the principle of the present invention. Without departing from the spirit and scope of the present invention, the present invention will also have Variations and improvements are possible, which fall within the scope of the claimed invention.

Claims (9)

1. A high-speed low-crosstalk vertical connector, including an insulating body, a signal terminal, and a grounding terminal, the signal terminal is covered with an insulating layer, and it is characterized in that: several terminal receiving grooves are arranged in the insulating body, and the The signal terminals and the grounding terminals are arranged in an upright arrangement in the terminal receiving groove in an orderly interval corresponding to each other. The grounding terminals include a substrate, a number of elastic arms arranged on the upper end of the substrate, and terminal feet arranged on the lower end of the substrate. An interval space is provided between the elastic arms, and a shielding member is arranged in the interval space; the elastic arms of each ground terminal are arranged in two groups, and the elastic arms of the two groups include a first group of elastic arms and a second group of elastic arms. Two groups of elastic arms; each group of elastic arms is correspondingly set to two; each group of two corresponding elastic arms is provided with a first space between the elastic arms of the first group and the second group of elastic arms There is a second space between them; the ground terminal is set in three pieces; the shielding piece includes a first shielding piece and a second shielding piece, and the three pieces of grounding terminal pass through the first shielding piece set in the first space. The pieces are connected together; the second space between the three grounding terminals is provided with a second shielding piece connecting the three grounding terminals; the height of the second shielding piece is higher than that of the elastic arm. 2 . The high-speed low-crosstalk vertical connector according to claim 1 , wherein two pieces of signal terminals are arranged between every adjacent two pieces of said grounding terminals. 3 . The high-speed, low-crosstalk vertical connector according to claim 1 , wherein the left and right sides of the substrate of each of the ground terminals are provided with buckling positions matching with the terminal receiving grooves. 4 . 4. A high-speed low-crosstalk vertical connector according to claim 1, wherein the signal terminal comprises a signal terminal substrate covered with an insulating layer, an elastic arm arranged on the upper end of the signal terminal substrate, The terminal feet arranged at the lower end of the signal terminal substrate, the elastic arms of each signal terminal are set in two groups, and the elastic arms of each group of signal terminals are correspondingly set to two; each group of two corresponds to the said signal terminals. A first interval space is provided between the elastic arms, and a second interval space is provided between the first group of elastic arms of the signal terminal and the second group of elastic arms of the signal terminal. 5 . The high-speed, low-crosstalk vertical connector according to claim 4 , wherein the left and right sides of the substrate of the signal terminal are provided with buckling positions matching the terminal receiving grooves. 6 . 6. A high-speed, low-crosstalk vertical connector according to claim 1, characterized in that: one side of the first shield is provided with a locking slot that is compatible with the ground terminal; the second shield One side of the shielding part is provided with a locking slot suitable for the grounding terminal; the height of the first shielding part is 1/3 of the height of the second shielding part; the clips of the first shielding part and the second shielding part The number of the bit slots matches the number of the ground terminals respectively. 7 . The high-speed low-crosstalk vertical connector according to claim 1 , wherein: the first shielding member is arranged vertically to each ground terminal; the second shielding member is arranged vertically to each ground terminal. 8 . The high-speed low-crosstalk vertical connector according to claim 1 , wherein the first shield and the second shield are arranged in parallel. 9. A high-speed, low-crosstalk vertical connector according to claim 1, characterized in that two connection ports are arranged on the top of the insulating body; A shield receiving slot that holds the shield.