TWI821380B - 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 in the insulative housing, and a shielding housing 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 comprising two rows of conductive terminals fixed on opposite sides of the tongue portion. The shielding shell is fixed on the ring wall. The electrical connector further includes a shielding plate disposed between the two rows of conductive terminals, the shielding plate is integrally formed from the shielding shell.

Description

Electrical connectors and their mating connectors

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

For example, Mainland China Utility Model No. CN201072831Y discloses a board-to-board electrical connector. The electrical connector includes an insulating body, two rows of conductive terminals accommodated in the insulating body, and a number of conductive terminals arranged outside the insulating body. Shielding piece, the insulating body includes a base, a tongue protruding from the base and provided with the two rows of conductive terminals, and an annular wall surrounding the periphery of the tongue and forming an annular slot between the tongue and the tongue. However, there is a large signal interference problem between the two rows of conductive terminals of the electrical connector.

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

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

The electrical connector of the present invention can be realized by the following technical solution: an electrical connector, the electrical connector includes an insulating body extending longitudinally, conductive terminals accommodated in the insulating body, and a shield surrounding the insulating body. The insulating body includes a base, a tongue protruding upward from the base, and an annular wall surrounding the tongue and forming an annular slot between the tongue and the tongue. The conductive terminals include two rows of conductive terminals disposed on opposite sides of the tongue, the shielding shell is disposed on the ring wall, and the electrical connector further includes a pair of conductive terminals disposed on the tongue and located on the A shielding member is provided between the two rows of conductive terminals, and the shielding member is integrally formed by extending from the shielding shell.

As a further improvement of the present invention, the ring wall includes a pair of longitudinally extending side walls and a pair of end walls connecting the pair of side walls, and the shielding shell is integrally formed on the insulating body. The body includes a first long wall and a second long wall respectively provided on the pair of side walls. Both longitudinal ends of the first long wall are respectively bent to form a first semi-short wall located at the upper end of the pair of end walls. The two longitudinal ends of the second long wall are respectively bent to form a second half-short wall located at the upper end of the pair of end walls. A gap is formed between the first half-short wall and the second half-short wall located on the same end wall. grooves, and both longitudinal ends of the shielding member are arranged between the spacing grooves.

As a further improvement of the present invention, the bottom edges of the first long wall and the second long wall on both sides of the longitudinal direction are integrally connected by a bottom wall, and the two bottom walls are integrally bent upward to form the shield. pieces.

As a further improvement of the present invention, the opposite sides of the two first half-short walls are respectively bent downward to form a first downward folding section, and the opposite sides of the two second half-short walls are bent downward respectively. A second lower folding section is formed, and the two longitudinal ends of the shielding member are located between the first lower folding section and the second lower folding section provided on the same end wall.

As a further improvement of the present invention, the two first half-short walls are bent downward on opposite sides of the first lower folding section to form a third lower folding section, and the two second half-short walls are formed on opposite sides of the first lower folding section. Opposite sides of the second lower folding section are bent downward to form a fourth lower folding section.

As a further improvement of the present invention, the top edges of the first long wall and the second long wall are respectively bent downward on both longitudinal sides of each row of conductive terminals to form a pair of holes exposed in the annular slot. Snap part.

As a further improved technical solution of the present invention, the shielding shell is integrally formed on the insulating body, and the shielding member includes a main body portion fixed in the tongue portion to separate the two rows of conductive terminals and a body portion extending from the main body portion. The longitudinal ends extend to form partitions located in the annular slot.

As a further improvement of the present invention, the main body part includes a protruding part exposed on the upper surface of the tongue part and an embedded part embedded in the tongue part located on both longitudinal sides of the protruding part.

The object of the present invention can also be achieved by the following technical solution: a butt connector for docking with the electrical connector, the butt connector includes an insulator extending longitudinally, a butt terminal and a mounting piece accommodated in the insulator, The insulator includes a base and a peripheral wall protruding upward from the periphery of the base. The peripheral wall includes a pair of longitudinal walls extending longitudinally and a transverse wall connecting the pair of longitudinal walls. The pair of longitudinal walls and a pair of The transverse wall is surrounded by a docking cavity for the tongue to be inserted. The docking terminals are arranged in two rows on the pair of longitudinal walls. The mounting parts are a pair arranged on the transverse wall. The mounting parts A pair of clamping arms are provided for clamping the partition.

As a further improvement of the present invention, the pair of transverse walls are recessed from top to bottom in the transverse direction perpendicular to the longitudinal direction to form a separation groove that accommodates the pair of clamping arms.

As a further improved technical solution of the present invention, the mounting member is integrally formed on the insulator, and the mounting member further includes a locking portion disposed on the opposite side of the clamping arm and located on the outer wall surface of the longitudinal wall.

Compared with the prior art, the present invention has the following beneficial effects: the shielding member separated between two rows of conductive terminals of the electrical connector of the present invention extends integrally from the shielding shell, making it easy to manufacture and low in manufacturing cost.

100: Electrical connector

1: Insulating body

11: base

12: Tongue

121: Upper surface

13: Ring wall

131: Ring slot

132:Side wall

133:End wall

134: Spacer slot

2:Conductive terminal

3: Shielding shell

30:Shielding parts

301: Main part

3011:Protrusion

3012: Buried Department

302:Separator

3021: tab

303:Extension

31:The first long wall

32:Second Long Wall

33: First half short wall

331: First fold section

332: The third lower fold section

34:Second half short wall

341: The second lower fold section

342: The fourth lower fold section

35: Bottom wall

36:Welding Department

37:Buckle part

371: Notch

200:Butt connector

4: Insulator

41:Base

42: Surrounding wall

421:Longitudinal wall

422: Transverse wall

4221:Separating slot

423: docking cavity

5: docking terminal

6: Installation parts

61: End

62:Lock part

621:Protrusion

63:Welding Department

64: Clamping arm

The first figure is a perspective view of the electrical connector and the mating connector of the present invention without being mated.

The second picture is a perspective view of the first picture from another perspective.

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

The fourth picture is a three-dimensional exploded view of the third picture from another perspective.

The fifth figure is an exploded perspective view of the docking connector of the present invention.

The sixth picture is a three-dimensional exploded view of the fifth picture from another perspective.

The seventh figure is a cross-sectional view along line VII-VII of the first figure.

Figure 8 is a schematic cross-sectional view of the electrical connector and the butt connector after being docked along the section line in Figure 7.

The ninth figure is a cross-sectional view along line IX-IX of the first figure.

Figure 10 is a schematic cross-sectional view of the electrical connector and the butt connector after being connected along the section line in Figure 9.

Figure 11 is a cross-sectional view along line XI-XI of Figure 1.

Referring to Figures 1 to 11, the electrical connector 100 of the present invention is used for docking with a mating connector 200. The electrical connector 100 is installed on a circuit board (not shown). The mating connection The device 200 is installed on another circuit board (not shown). The electrical connector 100 includes a longitudinally extending insulating body 1 , conductive terminals 2 received in the insulating body 1 , and a shielding shell 3 surrounding the insulating body 1 . The mating connector 200 includes an insulator 4 extending longitudinally, mating terminals 5 mating with the conductive terminals 2 , and mounting members 6 installed at both longitudinal ends of the insulator 4 .

The insulative body 1 of the electrical connector 100 includes a base 11 , a tongue 12 protruding upward from the base 11 , and a peripheral edge surrounding the tongue 12 and formed between the tongue 12 and the base 11 . The annular wall 13 of the annular slot 131 . The conductive terminals 2 include two rows of conductive terminals disposed on opposite sides of the tongue 12 , and the shielding housing 3 is disposed on the annular wall 13 . Preferably, the shielding housing 3 is integrally formed on the annular wall 13 .

In order to prevent signal crosstalk between the two rows of conductive terminals 2, the electrical connector 100 further includes a shield 30 disposed on the tongue 12 between the two rows of conductive terminals 2. The shield 30 is self-contained. The shielding housing 3 is integrally extended and formed. The integrated design of the shielding member 30 and the shielding housing 3 facilitates production and manufacturing and saves manufacturing costs. The ring wall 13 includes a pair of longitudinally extending side walls 132 and a pair of end walls 133 connecting the pair of side walls 132 . The shielding housing 3 includes a pair of side walls 132 respectively disposed on the pair of side walls 132 . The first long wall 31 and the second long wall 32. Both longitudinal ends of the first long wall 31 are respectively bent to form a first semi-short wall 33 located at the upper end of the pair of end walls 133. The second long wall 32 has The two longitudinal ends are respectively bent to form a second half-short wall 34 located at the upper end of the pair of end walls 133. A gap is formed between the first half-short wall 33 and the second half-short wall 34 located on the same end wall 133. slot 134. Both longitudinal ends of the shielding member 30 are disposed between the spacing grooves 134 . The bottom edges on both longitudinal sides of the first long wall 31 and the second long wall 32 are integrally connected by a bottom wall 35 respectively. The two bottom walls 35 are integrally bent upward to form the shielding member 30. The first long wall 31 , the second long wall 32 and the bottom wall 35 are each provided with a welding portion 36 welded to a circuit board (not shown). It should be noted that the shielding case 3 of the present invention is formed by bending a plate-shaped member and is integrally formed with the insulating body 1 .

Further, the shield 30 includes a main body 301 held in the tongue 12 to separate the two rows of conductive terminals 2 and an annular slot extending from both longitudinal ends of the main body 301 . Partition 302 within 131. The main body part 301 includes a protruding part 3011 exposed on the upper surface 121 of the tongue part 12 and an embedded part 3012 located on both longitudinal sides of the protruding part 3011 and embedded in the tongue part 12, so that The effective limit limits the shield 30 in the longitudinal direction. Both longitudinal ends of the partition 302 further extend to form extension parts 303 embedded in the end walls 133 , and the extension parts 303 are disposed between the separation grooves 134 . The partition part 302 is provided with a protruding piece 3021 higher than the upper end of the main body part 301. The upper end of the protruding piece 3021 is substantially flush with the upper surface 121 of the tongue part 12, so that it can be guided together with the tongue part 12. The docking connector 200 is inserted.

The opposite sides of the two first half-short walls 33 of the shielding housing 3 are respectively bent downward to form a first lower folding section 331, and the opposite sides of the two second half-short walls 34 are respectively bent downward. The second lower folding section 341 is formed by folding, and the two longitudinal ends of the shield 30 are located between the first lower folding section 331 and the second lower folding section 341 provided on the same end wall 133 . The two first half-short walls 33 are bent downward on opposite sides of the first lower folding section 331 to form a third lower folding section 332, and the two second half-short walls 34 are formed on the second lower folding section 331. Opposite sides of the folding section 341 are bent downward to form a fourth lower folding section 342 . The top edges of the first long wall 31 and the second long wall 32 A pair of buckling portions 37 exposed in the annular slot 131 are formed by bending downward on both longitudinal sides of each row of conductive terminals 2 .

The insulator 4 of the docking connector 200 includes a base 41 and a peripheral wall 42 protruding upward from the periphery of the base 41 and received in the annular slot 131 . The peripheral wall 42 includes a pair of longitudinally extending longitudinal The wall 421 and the transverse wall 422 connect the pair of longitudinal walls 421 . The pair of longitudinal walls 421 and the pair of transverse walls 422 define a docking cavity 423 for the tongue 12 to be inserted. The mating terminals 5 are arranged in two rows on the pair of longitudinal walls 421, and the mounting parts 6 are arranged in a pair on the pair of transverse walls 422. The mounting parts 6 have a structure close to the transverse walls 422. The end 61 of the outer wall surface and the locking portion 62 connected to the end portion 61 and close to the outer wall surface of the longitudinal wall 421, the bottoms of the end portion 61 and the locking portion 62 are bent outward. A welding portion 63 is formed by folding and is welded to a circuit board (not shown). Each mounting member 6 is provided with a pair of clamping arms 64 for clamping the partition portion 302 . The clamping arms 64 are disposed on opposite sides of the locking portion 62 . The docking connector 200 uses the clamping arms 64 to clamp the shield 30 of the shielding housing 3 to achieve grounding without the need for an additional shell (not shown). Specifically, the pair of transverse walls 422 are recessed from top to bottom in the transverse direction perpendicular to the longitudinal direction to form a separation groove 4221 for receiving the pair of clamping arms 64 , and the separation groove 4221 is further directed toward The bottom of the base 41 is penetrated, and the separation groove 4221 is connected with the docking cavity 423 in the longitudinal direction. The buckling portion 37 of the electrical connector 100 is provided with a notch 371 , and the locking portion 62 of the mating connector 200 is protrudingly provided with a protrusion 621 that snaps into the notch 371 . When the electrical connector 100 and the mating connector 200 are mated, the protrusions 621 engage in the notches 371 to prevent the two connectors from loosening.

The above are only some embodiments of the present invention, not all embodiments. For example, the shield 30 can also be formed by bending downward the first half short wall 33 or the second half short wall 34. Alternatively, the bottom wall 35 is configured as a two-stage structure with the first half short wall 33 and the second half short wall 34, and the first half short wall 33 and the second half short wall 34 are configured to be integrally connected. Structure, the shielding member 30 is formed by bending downward from the first half short wall 33 and the second half short wall 34 that are integrally connected. Therefore, a person of ordinary skill in the art Any equivalent changes made to the technical solution of the present invention by a researcher after reading the description of the present invention shall be covered by the claims of the present invention.

100: Electrical connector

1: Insulating body

132:Side wall

133:End wall

2:Conductive terminal

3: Shielding shell

3011:Protrusion

3012: Buried Department

302:Separator

3021: tab

303:Extension

31:The first long wall

32:Second Long Wall

341: The second lower fold section

342: The fourth lower fold section

35: Bottom wall

36:Welding Department

Claims (11)

An electrical connector. The electrical connector includes an insulating body extending longitudinally, conductive terminals accommodated in the insulating body, and a shielding shell surrounding the insulating body. The insulating body includes a base and a base. The base has an upward protruding tongue portion and an annular wall surrounding the peripheral side of the tongue portion and forming an annular slot with the tongue portion. The conductive terminals include opposite There are two rows of conductive terminals on both sides, the shielding shell is provided on the ring wall, wherein the electrical connector further includes a shielding member provided on the tongue between the two rows of conductive terminals, the The shielding member extends integrally from the shielding shell. The electrical connector as claimed in claim 1 of the patent application, wherein the ring wall includes a pair of longitudinally extending side walls and a pair of end walls connecting the pair of side walls, and the shielding shell is integrally formed on the insulation The main body, the shielding shell includes a first long wall and a second long wall respectively provided on the pair of side walls, and the longitudinal ends of the first long wall are respectively bent to form a third wall located at the upper end of the pair of end walls. Half short wall, the two longitudinal ends of the second long wall are respectively bent to form a second half short wall located at the upper end of the pair of end walls, and the first half short wall and the second half short wall located on the same end wall Spacing grooves are formed between the walls, and both longitudinal ends of the shielding member are arranged between the spacing grooves. The electrical connector as described in item 2 of the patent application, wherein the bottom edges on both longitudinal sides of the first long wall and the second long wall are integrally connected by a bottom wall, and the two bottom walls are integrally upward. The shielding member is formed by bending. As in the electrical connector described in Item 2 of the patent application, the opposite sides of the two first half short walls are respectively bent downward to form a first downward folding section, and the opposite sides of the two second half short walls are bent downwards respectively. The sides are respectively bent downward to form second lower folding sections, and the two longitudinal ends of the shielding member are located between the first lower folding section and the second lower folding section provided on the same end wall. As in the electrical connector described in item 4 of the patent application, two of the first half-short walls are bent downward on opposite sides of the first downward folding section to form a third downward folding section, and the two first half-short walls are The second half short wall is bent downward on the opposite side of the second lower folding section to form a fourth lower folding section. The electrical connector according to claim 2, wherein the top edges of the first long wall and the second long wall are respectively bent downward on both longitudinal sides of each row of conductive terminals to form an annular shape exposed to the A pair of buckles in the slot. The electrical connector according to claim 1, wherein the shielding shell is integrally formed on the insulating body, and the shielding member includes a main body portion fixed in the tongue portion to separate the two rows of conductive terminals. and a partition extending from both longitudinal ends of the main body and located in the annular slot. The electrical connector as claimed in Item 7 of the patent application, wherein the main body portion includes a protruding portion exposed on the upper surface of the tongue portion and a protruding portion located on both longitudinal sides of the protruding portion and embedded in the tongue portion. The buried department within the department. A butt connector for docking with the electrical connector described in item 7 of the patent application, wherein the butt connector includes an insulator extending longitudinally, a butt terminal and a mounting member received in the insulator, the insulator includes a base and a peripheral wall protruding upward from the edge of the base. The peripheral wall includes a pair of longitudinal walls extending longitudinally and a transverse wall connecting the pair of longitudinal walls. The pair of longitudinal walls and the pair of transverse walls surround and form a There is a docking cavity for the tongue to be inserted. The docking terminals are arranged in two rows on the pair of longitudinal walls. The mounting parts are a pair arranged on the transverse walls. The mounting parts are provided with a pair of clamping parts. The clamping arm of the partition. The docking connector as claimed in Item 9 of the patent application, wherein the pair of transverse walls are recessed from top to bottom in the transverse direction perpendicular to the longitudinal direction to form a separation groove that accommodates the pair of clamping arms. . The docking connector according to claim 9 of the patent application, wherein the mounting member is integrally formed on the insulator, and the mounting member further includes an outer portion of the longitudinal wall located on the opposite side of the clamping arm. The locking part of the wall.

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