TW202005188A - Electrical connector and mating connector - Google Patents

Abstract

An electrical connector includes an insulative housing extending in a longitudinal direction, a plurality of conductive terminals received the insulative housing, and a metal shell surrounding the insulative housing. The insulative housing includes a base portion, a tongue portion protruding upward from the base portion, and a ring wall surrounding the circumferential side of the tongue portion and forming an annular slot with the tongue portion. The conductive terminal includes two rows of conductive terminals fixed on opposite sides of the tongue portion. The metal shell is fixed on the ring wall. The electrical connector further includes shielding plate disposed between the two rows of conductive terminals, the shielding plate abutting against the metal shell to achieve reliable grounding.

Description

Electrical connector and its mating connector

The invention relates to an electrical connector and its mating connector, in particular to a board-to-board connector.

For example, the Chinese utility model patent No. CN201072831Y discloses a board-to-board electrical connector. The electrical connector includes an insulating body, two rows of conductive terminals housed in the insulating body, and a number of terminals disposed outside the insulating body For the shielding sheet, the insulating body includes a base, a tongue protruding from the base and provided with the two rows of conductive terminals, and a ring wall surrounding the tongue and forming an annular slot between the tongues. However, the intermittent shielding sheet has poor shielding effect, and there is a large signal interference problem between the two rows of conductive terminals.

Therefore, it is indeed necessary to improve the existing electrical connectors to overcome the above-mentioned defects.

The technical problem to be solved by the present invention is to provide an electrical connector with reliable shielding effect and its mating connector.

The electrical connector of the present invention can be realized by the following technical solution: an electrical connector including an insulating body extending in a longitudinal direction, a conductive terminal accommodated in the insulating body, and a shield surrounding the insulating body A housing, the insulating body includes a base, a tongue protruding upward from the base, and a ring wall surrounding the periphery of the tongue and forming an annular slot with the tongue, The conductive terminals include two rows of conductive terminals disposed on opposite sides of the tongue, the shielding housing is disposed on the ring wall, and the electrical connector further includes a terminal located on the tongue A shielding member between the two rows of conductive terminals, the shielding member includes a main body portion held in the tongue to separate the two rows of conductive terminals, and a contacting portion that bears against the shielding case.

As a further improved technical solution of the present invention, the shielding member further includes a partition portion disposed in the annular slot, and two longitudinal sides of the partition portion are respectively connected to the main body portion and the abutment portion.

As a further improved technical solution of the present invention, the shielding member is a sheet-like plate structure, and the partition is provided with a portion higher than the upper end of the main body portion to bear against the longitudinal side edge of the tongue portion in the longitudinal direction Tabs.

As a further improved technical solution of the present invention, the shielding shell is integrally formed on the ring wall, and at least one of the shielding shell and the shield is welded to a circuit board.

As a further improved technical solution of the present invention, the shielding shell is continuously looped around the ring wall, the ring wall includes a pair of longitudinally extending side walls and an end wall connecting the pair of side walls, the The shielding case has a long side corresponding to the outside of the pair of side walls and a short side corresponding to the outside of the pair of end walls, the pair of short sides connecting the pair of long sides, the short sides inward Folded to form a clamping portion that is in contact with the inner side of the end wall, the clamping portion is provided with a clamping groove into which the abutment portion is clamped upward.

As a further improved technical solution of the present invention, the bottom surface of the base is concavely provided with a longitudinally disposed mounting groove, the mounting groove penetrates the lower surface of the tongue portion but does not penetrate the upper surface of the tongue portion, the The main body is inserted into the mounting groove from bottom to top, and the upper end of the main body is buried in the upper surface of the tongue.

As a further improved technical solution of the present invention, the bottom of the end wall is concavely provided with a yielding groove that is aligned with the clamping groove and into which the abutting portion enters.

The object of the present invention can also be achieved by the following technical solution: a butt connector that is butted with the electrical connector, the butt connector includes an insulator extending in a longitudinal direction, a butt terminal and a mounting member accommodated in the insulator , The insulator includes a base and a peripheral wall protruding upward from a peripheral edge of the base, the peripheral wall includes a pair of long walls extending longitudinally and a short wall connecting the pair of long walls, the pair of long walls and the pair of short walls A docking cavity into which the tongue is inserted is formed around, the docking terminals are arranged in two rows on the pair of long walls, the mounting pieces are paired on the short walls, and the mounting pieces are provided with a pair A clamping arm that clamps the partition.

As a further improved technical solution of the present invention, the pair of short walls are recessed from top to bottom in a transverse direction perpendicular to the longitudinal direction to form a partition groove for accommodating the pair of clamping arms.

As a further improved technical solution of the present invention, the dividing groove penetrates down the base, and the dividing groove communicates with the butting cavity in the longitudinal direction.

Compared with the prior art, the present invention has the following beneficial effects: The electrical connector of the present invention can ensure the ability of the electrical connector to shield signal interference by abutting the shielding member separated between the two rows of conductive terminals to the shielding housing.

Please refer to the first to eleventh figures, the electrical connector 100 of the present invention is used for docking with a mating connector 200, the electrical connector is installed on a circuit board 1000, and the mating connector 200 is installed on a Circuit board 2000. The electrical connector 100 includes an insulating body 1 extending in a longitudinal direction, a conductive terminal 2 housed in the insulating body 1, and a shielding case 3 surrounding the insulating body 1. The mating connector 200 includes an insulator 4 extending in the longitudinal direction, a mating terminal 5 butted with the conductive terminal 2, and mounting members 6 installed at both ends of the insulator 4 in the longitudinal direction.

The insulating body 1 of the electrical connector 100 includes a base 11, a tongue 12 protruding upward from the base 11, and formed around the periphery of the tongue 12 and formed between the tongue 12 The ring wall 13 of the ring slot 131. The conductive terminals 2 include two rows of conductive terminals disposed on opposite sides of the tongue 12, and the shielding shell 3 is disposed on the ring wall 13. Preferably, the shielding shell 3 is integrally formed on the ring wall 13, and the shielding shell 3 is continuously looped around the ring wall 13, so that not only can the shielding shell 3 and the ring wall be improved The holding force between 13 can also improve the shielding interference performance of the shielding shell 3.

In order to prevent signal crosstalk between the two rows of conductive terminals 2, the electrical connector 100 further includes a shield 7 disposed on the tongue 12 between the two rows of conductive terminals 2. The ring wall 13 includes a pair of side walls 132 extending longitudinally and an end wall 133 connecting the pair of side walls 132. The shielding casing 3 has a long side 31 corresponding to the outside of the pair of side walls 132 and a short side 32 corresponding to the pair of end walls 133. The bottom edges of the long side 31 and the short side 32 are bent outward to form a soldering portion 33 soldered to the circuit board 1000. The long side 31 is folded inwards to have a buckling portion 311 adjacent to the inner side of the side wall 132 beside the conductive terminal 2, the buckling portion 311 is used to lock the butt connector 200 For the mounting member 6, the short side 32 is folded inward to form a holding portion 321 that is in contact with the inner side of the end wall 133, and the holding portion 321 opens downward to form a holding groove 322. The shielding member 7 is a sheet-like plate structure. The shielding member 7 includes a body portion 71 held in the tongue portion 12 to separate the two rows of conductive terminals 2 in a lateral direction perpendicular to the longitudinal direction, The partition 72 in the annular groove 131 and the contact 73 that abuts against the shielding case 3 are connected to the main body 71 and the contact 73 on both longitudinal sides of the partition 72. The shield 7 is provided with the contact portion 73 that abuts against the shield case 3, so that the shield 7 can be commonly grounded by the shield case 3 as a ground. Specifically, the abutment portion 73 is snapped upward into the holding groove 322 so that the shield 7 and the shield case 3 are electrically connected stably and reliably to be grounded together. It should be noted that the purpose of the shield 7 of the present invention abutting the shielding shell 3 is that even if only one of the shielding shell 3 and the shield 7 is grounded, the other can also be touched by each other The ground connection with the circuit board 1000 is achieved. In the present invention, the bottom of the shielding member 7 is also provided with a welding portion 74 welded to the circuit board 1000. In this way, the grounding effect between the shielding member 7 and the shielding casing 3 is more reliable.

The bottom surface 111 of the base 11 is concavely formed with a longitudinally installed mounting groove 112 that extends to the end wall 133 in the longitudinal direction, and the mounting groove 112 penetrates the lower surface of the tongue 12 After the upper surface 121 of the tongue portion 12 is not penetrated so that the main body portion 71 is inserted into the mounting groove 112 from bottom to top, the upper end of the main body portion 71 is buried in the upper surface 121 of the tongue portion 12, The mounting groove 112 penetrates the annular slot 131 so that the partition 72 protrudes into the annular slot 131. In addition, the mounting groove 112 is further recessed from the bottom surface 111 to form a yield groove 1331 at the end wall 133 aligned with the holding groove 322, the yield groove 1331 is used for the abutment The part 73 enters to better stabilize the shield 7. The partition 72 is provided with a protruding piece 721 higher than the upper end of the main body 71, the protruding piece 721 is located on the longitudinal side of the tongue 12 to prevent the shield 7 from being compared with the insulating body 1 moves, the upper end of the tab 721 is substantially flush with the upper surface 121 of the tongue 12, so that it can cooperate with the tongue 12 to guide the insertion of the docking connector 200 together.

The insulator 4 of the mating connector 200 includes a base 41 and a pair of protruding upwardly protruding from a peripheral edge of the base 41 to receive a peripheral wall 42 accommodated in the annular slot 131, the peripheral wall 42 includes a pair of long walls extending longitudinally 421 and a short wall 422 connecting the pair of long walls 421, the pair of long walls 421 and the pair of short walls 422 surround a mating cavity 423 into which the tongue is inserted. The docking terminals 5 are arranged in two rows on the pair of long walls 421, the mounting member 6 is a pair on the pair of short walls 412, the mounting member 6 has a pair of The outer end portion 61 and the side portion 62 connected to the end portion 61 and leaning against the outer side of the long wall 421 are bent outwardly to form a soldered circuit The welding part 63 of the board 2000. Each mounting member 6 is provided with a pair of clamping arms 64 that clamp the partition 72, the clamping arm 64 extends from the side portion 62, and the butting connector 200 is clamped by the clamping arm 64 The shield 7 grounded by the shielding shell 3 is grounded, and no additional housing (not shown) is required. Specifically, the pair of short walls 422 are recessed from top to bottom in a lateral direction perpendicular to the longitudinal direction to form a partition groove 4221 that houses the pair of clamping arms 64, and the partition groove 4221 further faces The base 41 penetrates downward, and the partition groove 4221 communicates with the docking cavity 413 in the longitudinal direction. The buckling portion 311 of the electrical connector 100 is provided with a recess 3110, and the side portion 62 of the mating connector 200 is protruded with a protrusion 621 that snap-fits with the recess 3110. When the electrical connector 100 is mated with the mating connector 200, the protrusion 621 snaps into the notch 3110 to prevent the two connectors from loosening.

The electrical connector 100 of the present invention is provided with a shield 7 that is in contact with the shield case 3 and is separated between the two rows of conductive terminals 2, even though only one of the shield case 3 and the shield 7 is soldered to the circuit board 1000, The other can also be grounded by contacting each other; in addition, the plate-shaped shield 7 is inserted and clamped in the clamping groove 321 from bottom to top, which can effectively ensure the stability of the cooperation between the two Furthermore, the docking connector 200 can only achieve the shielding grounding of the docking connector by clamping the shield 7 through the clamping arm 64 of the mounting member 6, and the structure is simple.

The above are only some of the embodiments of the present invention, but not all of the embodiments. Any equivalent changes to the technical solutions of the present invention by those skilled in the art by reading the description of the present invention are covered by the claims of the present invention .

100‧‧‧Electrical connector 1000, 2000‧‧‧ circuit board 1‧‧‧Insulation body 11‧‧‧Dock 111‧‧‧Bottom 112‧‧‧Installation slot 12‧‧‧Tongue 121‧‧‧Upper surface 13‧‧‧ Ring Wall 131‧‧‧ring slot 132‧‧‧Side wall 133‧‧‧End wall 1331‧‧‧Give way 2‧‧‧Conductive terminal 200‧‧‧ Docking connector 3‧‧‧Shell 31‧‧‧Long side 311‧‧‧Detaining Department 3110‧‧‧Notch 32‧‧‧short side 321‧‧‧Card Department 322‧‧‧Card slot 33‧‧‧Welding Department 4‧‧‧Insulator 41‧‧‧Base 412‧‧‧Short Wall 42‧‧‧ Zhoubi 421‧‧‧Long Wall 422‧‧‧Short Wall 4221‧‧‧separating trough 423‧‧‧ Docking chamber 5‧‧‧ docking terminal 6‧‧‧Installation 61‧‧‧End 62‧‧‧Side 621‧‧‧ bump 63‧‧‧Welding Department 64‧‧‧Clamping arm 7‧‧‧Shield 71‧‧‧Main part 72‧‧‧Partition 721‧‧‧tab 73‧‧‧Abutment Department 74‧‧‧Welding Department

The first figure is a perspective view of the electrical connector and the mating connector of the present invention not mated, wherein the electrical connector and the mating connector are mounted on a circuit board. The second figure is a perspective view of the first figure from another perspective. The third figure is an exploded perspective view of the electrical connector of the present invention. The fourth figure is an exploded perspective view of the third figure from another perspective. The fifth figure is an exploded perspective view of the butt connector of the present invention. The sixth figure is a perspective exploded view of the fifth figure from another perspective. The seventh figure is a cross-sectional view of the first figure along the line VII-VII. The eighth figure is a schematic cross-sectional view of the electrical connector and the mating connector under the cross-sectional line of the seventh figure. The ninth figure is a cross-sectional view of the first figure along the line IX-IX. FIG. 10 is a schematic cross-sectional view of the electrical connector and the mating connector under the cross-sectional line of the ninth diagram. The eleventh figure is a cross-sectional view of the first figure along the line XI-XI.

no

1‧‧‧Insulation body

11‧‧‧Dock

12‧‧‧Tongue

121‧‧‧Upper surface

13‧‧‧ Ring Wall

131‧‧‧ring slot

132‧‧‧Side wall

133‧‧‧End wall

1331‧‧‧Give way

2‧‧‧Conductive terminal

3‧‧‧Shell

31‧‧‧Long side

311‧‧‧Detaining Department

3110‧‧‧Notch

32‧‧‧short side

321‧‧‧Card Department

322‧‧‧Card slot

33‧‧‧Welding Department

7‧‧‧Shield

71‧‧‧Main part

72‧‧‧Partition

73‧‧‧Abutment Department

74‧‧‧Welding Department

Claims (10)

An electrical connector includes an insulating body extending in a longitudinal direction, a conductive terminal accommodated in the insulating body, and a shielding case surrounding the insulating body, the insulating body includes a base, A tongue protruding upward from the base and a ring wall surrounding the tongue and forming a ring-shaped slot between the tongue, the conductive terminal includes an opposite end provided on the tongue Two rows of conductive terminals on both sides, the shielding housing is disposed on the ring wall, wherein the electrical connector further includes a shielding member disposed between the two rows of conductive terminals on the tongue, the The shield includes a main body portion held in the tongue portion to separate the two rows of conductive terminals and an abutment portion against the shielding case. The electrical connector as described in item 1 of the patent application range, wherein the shielding member further includes a partition provided in the annular slot, and longitudinal sides of the partition are in contact with the main body and the body Department connected. The electrical connector as described in item 2 of the patent application range, wherein the shield is a sheet-like plate structure, and the partition is provided with a protrusion higher than the upper end of the main body. The electrical connector according to item 1 of the patent application scope, wherein the shielding shell is integrally formed on the ring wall, and at least one of the shielding shell and the shielding member is welded to a circuit board. The electrical connector as described in item 1 of the patent application range, wherein the shielding housing is continuously looped around the ring wall, and the ring wall includes a pair of longitudinally extending side walls and connecting the pair of side walls The end wall of the shielding shell has a long side corresponding to the outside of the pair of side walls and a short side corresponding to the outside of the pair of end walls, the pair of the short sides connecting the pair of long sides, The short side is folded inward to form a clamping portion that is in contact with the inner side of the end wall, and the clamping portion is provided with a clamping groove into which the contact portion is clamped upward. The electrical connector as described in item 1 of the patent application range, wherein the bottom surface of the base is upwardly recessed with a longitudinally provided mounting groove, the mounting groove penetrates the lower surface of the tongue portion but does not penetrate the tongue portion The upper surface of the main body is inserted into the mounting groove from bottom to top, and the upper end of the main body is buried in the upper surface of the tongue. The electrical connector as described in item 6 of the patent application range, wherein the bottom of the end wall is concavely provided with a yielding groove aligned with the clamping groove for the abutment portion to enter. A docking connector that docks with the electrical connector described in item 1 of the patent application scope, the docking connector includes an insulator extending in the longitudinal direction, a docking terminal and a mounting member housed in the insulator, the insulator includes a base and A peripheral wall protruding upward from a peripheral edge of the base, the peripheral wall includes a pair of long walls extending longitudinally and a short wall connecting the pair of long walls, and the pair of long walls and the pair of short walls surround and form a A butt cavity into which the tongue is inserted, the butt terminals are arranged in two rows on the pair of long walls, and the mounting members are paired on the short walls, wherein the mounting members are provided with a pair of clamping partitions Clamping arm. A mating connector as described in item 8 of the patent application range, wherein the pair of short walls are recessed from top to bottom in a transverse direction perpendicular to the longitudinal direction to form a partition groove to accommodate the pair of clamping arms . The docking connector as described in item 9 of the patent application range, wherein the partition groove penetrates the base downward, and the partition groove communicates with the docking cavity in the longitudinal direction.

Images