CN214754257U

CN214754257U - Electrical connector

Info

Publication number: CN214754257U
Application number: CN202120288421.4U
Authority: CN
Inventors: 林文伟
Original assignee: Lotes Co Ltd
Current assignee: Lotes Co Ltd
Priority date: 2021-02-01
Filing date: 2021-02-01
Publication date: 2021-11-16
Anticipated expiration: 2031-02-01

Abstract

The utility model discloses an electric connector: the thickness of the ground terminal and the thickness of the power supply terminal are both larger than the thickness of the signal terminal, in the vertical direction, the distance between the extension section of the ground terminal and the main body part of the shielding sheet is smaller than the distance between the extension section of the signal terminal and the main body part of the shielding sheet, and the distance between the extension section of the power supply terminal and the main body part of the shielding sheet is smaller than the distance between the extension section of the signal terminal and the main body part of the shielding sheet; one of them of the extension section of ground terminal and shielding piece is equipped with butt portion, butt portion butt ground terminal's extension section and the shielding piece in the up-and-down direction in another, make ground terminal's extension section difficult emergence be out of shape and be favorable to alleviateing ground terminal's temperature rise effect, the shielding piece corresponds each power supply terminal and is equipped with the portion of stepping down, the portion of stepping down is the extension section of the power supply terminal of stepping down in the upper and lower direction, the portion of stepping down is the extension section of the power supply terminal that corresponds and avoid taking place the short circuit in the upper and lower direction.

Description

Electrical connector

[ technical field ] A method for producing a semiconductor device

The present invention relates to an electrical connector, and more particularly to an electrical connector for transmitting large current.

[ background of the invention ]

The existing USB Type-C product generally includes an insulating body, a plurality of terminals injection-molded on the insulating body, the terminals being arranged in two rows, the insulating body includes a base and a butt-joint portion extending forward from the base, each row of the terminals includes a signal terminal, a ground terminal and a power terminal, wherein the power terminal and the ground terminal are the terminals for supplying current, and the thickness of the power terminal and the thickness of the ground terminal are generally increased in order to improve the current-supplying capability of the power terminal and the ground terminal.

However, the ground terminal and the power terminal have longitudinally extending extension sections, the extension sections are at least partially located at the mating portion for contacting a mating terminal of a mating connector to form an electrical connection, and the shielding plate has a main body portion located between the extension sections of the two rows of the terminals. The distance between the extended sections of both the ground terminal and the power terminal and the body portion is small, in the injection molding process, filling unsaturation is liable to occur between the extension sections and the main body portion of both the ground terminal and the power terminal, causing the extended sections of both the ground terminal and the power terminal to be easily deformed toward the direction of approaching the shield plate, the molding material beside the extension sections of both the ground terminal and the power terminal may move to the surface of the corresponding extension section, thereby affecting the electrical connection between the grounding terminal and the grounding terminal of the butting connector, and simultaneously, the distance between the extension section of the thickened power terminal and the main body part is smaller, in the injection molding process, the extending section of the power terminal is easy to contact with the main body part, so that the risk of short circuit is easily caused.

Therefore, there is a need for an improved electrical connector that overcomes the above problems.

[ Utility model ] content

To the problem that the background art faces, the utility model aims to provide a through set up the extension section of the ground terminal that first butt portion corresponds in the upper and lower direction butt on the shielding piece, make the difficult temperature rise effect that takes place to warp and be favorable to alleviateing ground terminal of extension section of ground terminal, set up the extension section that the portion of stepping down corresponds in the upper and lower direction and avoid taking place the electric connector of short circuit on the shielding piece simultaneously.

In order to achieve the above object, the utility model adopts the following technical means: an electrical connector, comprising: an insulating body having a mating portion extending in a front-rear direction; the plurality of terminals are injection molded on the insulating body and arranged in an upper row and a lower row, each row of the terminals comprises at least one signal terminal, at least one grounding terminal and at least one power terminal, each row of the terminals is arranged along the left-right direction, each terminal is provided with an extending section which lengthily extends in the front-back direction, the extending section is at least partially positioned on the butting part, the extending section is provided with a contact part, the contact part is exposed at the butting part, the terminals are defined to have a width in the left-right direction and a thickness in the direction perpendicular to the left-right direction, and the thickness of the grounding terminal and the thickness of the power terminal are both larger than the thickness of the signal terminal; the shielding piece is provided with a main body part which is arranged on the butt joint part and is positioned between the extending sections of the two rows of terminals; in the vertical direction, the distance between the extension section of the ground terminal and the main body part is smaller than the distance between the extension section of the signal terminal and the main body part, and the distance between the extension section of the power terminal and the main body part is smaller than the distance between the extension section of the signal terminal and the main body part; the shielding piece corresponds each ground terminal still is equipped with a first butt portion and corresponds each the power supply terminal still is equipped with one and lets a position portion, first butt portion butt corresponds in the up-and-down direction ground terminal extend the section, it steps down in the up-and-down direction to let a position portion the section of extending of power supply terminal.

Furthermore, the shielding plate is further provided with a second abutting portion corresponding to each grounding terminal, the second abutting portion abuts against the corresponding extending section of the grounding terminal in the horizontal direction, and the first abutting portion abutting against the extending section of the same grounding terminal is located in front of the second abutting portion.

Further, the extension section of power supply terminal is including a continuous horizontal segment and a section of bending, the horizontal segment is located the place ahead of the section of bending, the contact site is located the horizontal segment, the section of bending certainly the horizontal segment is towards keeping away from in the upper and lower direction the direction of main part is buckled and is extended, the main part corresponds each the horizontal segment of power supply terminal is equipped with one let the position portion, let the position portion for running through from top to bottom the breach of main part, the breach extends to from forward to backward the power supply terminal the rear of the section of bending.

Further, the bending sections of the upper row of the power terminals and the bending sections of the lower row of the power terminals pass through the same vertical plane.

Furthermore, the insulation body comprises a first insulation body and a second insulation body, the upper row of the terminals is arranged on the first insulation body, the lower row of the terminals is arranged on the second insulation body, the first insulation body is provided with a first protrusion and a first groove which are adjacent to each other left and right corresponding to each notch, the second insulation body is provided with a second protrusion and a second groove which are adjacent to each other left and right corresponding to the same notch, the first protrusion is correspondingly matched with the second groove, and the second protrusion is correspondingly matched with the first groove.

Furthermore, the first bulge and the second bulge are arranged side by side from left to right, and the left and right opposite surfaces of the first bulge and the second bulge are inclined planes.

Further, the insulator includes a first insulator and a second insulator, the first insulator with wherein one row terminal injection moulding forms a first module, second insulator and another row terminal injection moulding forms a second module, the first insulator has an at least through-hole, the second insulator corresponds to have accept in at least one at least lug of through-hole, the main part presss from both sides and locates first module with between the second module.

Further, the shielding piece corresponds each ground terminal all is equipped with a second butt portion, second butt portion butt corresponds in the horizontal direction ground terminal the extension section, first insulator is equipped with at least one first fluting, first fluting correspondence accept with wherein one row in the terminal ground terminal butt second butt portion, second insulator is equipped with at least one second fluting, the second fluting correspondence accept with another row in the terminal ground terminal butt second butt portion, first module the second module with the shielding piece all with a third insulator injection moulding.

Further, the extension section of the ground terminal fixed to the first insulating body has an opening and a notch arranged in the front-rear direction, the opening has a smaller size in the left-right direction than the notch, the second abutting portion passes through the corresponding opening and interferes with an edge of the opening, and the projection passes through the notch.

Further, a width of the extension of the ground terminal at the location of the opening is smaller than a width of the extension of the ground terminal at the location of the notch.

Further, the first insulating body has a first base portion and a first tongue plate protruding forward from the first base portion, the thickness of the first base portion in the up-down direction is greater than the thickness of the first tongue plate in the up-down direction, the through hole is formed in the first base portion, the second insulating body has a second base portion and a second tongue plate protruding forward from the second base portion, the thickness of the second base portion in the up-down direction is greater than the thickness of the second tongue plate in the up-down direction, and the protrusion is formed in the second base portion.

Further, the extension section of each terminal has a contact portion and a connecting portion located behind the contact portion, the contact portions of the signal terminals, the contact portions of the ground terminals and the contact portions of the power terminals have the same width, the width of the contact portions of the signal terminals is greater than the width of the connecting portions of the signal terminals, the width of the contact portions of the ground terminals is less than the width of the connecting portions of the ground terminals, and the width of the contact portions of the power terminals is less than the width of the connecting portions of the power terminals.

Further, each of the terminals has a soldering portion extending out of the insulating body, the soldering portions of the upper row of terminals are arranged in a row along the left-right direction, the soldering portions of the lower row of terminals are positioned in front of the soldering portions of the upper row of terminals, each row of terminals includes a plurality of pairs of signal terminals, each pair of signal terminals is used for transmitting differential signals, the extending section of each pair of signal terminals has an offset portion, the offset portion of each pair of signal terminals in the upper row is offset to one side in the left-right direction, the offset portion of each pair of signal terminals in the lower row is offset to the other side in the opposite direction, and the soldering portions of each pair of terminals in the upper row and the soldering portions of each pair of terminals in the lower row are offset in the front-rear direction.

Further, the offset portions of the plurality of pairs of signal terminals in the same row are not located on the same straight line.

Further, the insulator includes a first insulator and a second insulator, the first insulator and one of them are arranged the terminal injection moulding forms a first module, the second insulator and another row the terminal injection moulding forms a second module, the first insulator has an at least through-hole, the second insulator corresponds to have accept in at least one at least a lug of through-hole, be fixed in the first insulator the ground terminal has a notch, the lug passes the notch, with the ground terminal is with arranging just adjacent a pair the skew portion of signal terminal is aimed at the notch.

The utility model also provides a through one of them of extension section and shielding piece at ground terminal be equipped with an butt portion, butt portion is another one in extension section and the shielding piece of butt ground terminal in the up-and-down direction, makes ground terminal's extension section difficult emergence be out of shape and be favorable to alleviateing ground terminal's temperature rise effect, sets up the extension section that the portion of stepping down the corresponding power supply terminal of stepping down in the up-and-down direction simultaneously on the shielding piece and avoids taking place the electric connector of short circuit.

In order to achieve the above object, the utility model adopts the following technical means: an electrical connector, comprising: an insulating body having a mating portion extending in a front-rear direction; the plurality of terminals are injection molded on the insulating body and arranged in an upper row and a lower row, each row of the terminals comprises at least one signal terminal, at least one grounding terminal and at least one power terminal, each row of the terminals is arranged along the left-right direction, each terminal is provided with an extending section which lengthily extends in the front-back direction, the extending section is at least partially positioned on the butting part, the extending section is provided with a contact part, the contact part is exposed at the butting part, the terminals are defined to have a width in the left-right direction and a thickness in the direction perpendicular to the left-right direction, and the thickness of the grounding terminal and the thickness of the power terminal are both larger than the thickness of the signal terminal; the shielding piece is provided with a main body part which is arranged on the butt joint part and is positioned between the extending sections of the two rows of terminals; in the vertical direction, the distance between the extension section of the ground terminal and the main body part is smaller than the distance between the extension section of the signal terminal and the main body part, and the distance between the extension section of the power terminal and the main body part is smaller than the distance between the extension section of the signal terminal and the main body part; one of the extension section of the grounding terminal and the shielding sheet is provided with an abutting part, the abutting part abuts against the extension section of the grounding terminal and the other one of the shielding sheets in the up-down direction, the shielding sheet corresponds to each power terminal and is further provided with a yielding part, and the yielding part yields the extension section of the power terminal in the up-down direction.

Further, one of the extension section of the ground terminal and the shield plate is further provided with another abutting portion that abuts the other of the extension section of the ground terminal and the shield plate in the horizontal direction.

Compared with the prior art, the utility model discloses following beneficial effect has: and the thickness of the grounding terminal and the power supply terminal is increased relative to the thickness of the signal terminal, so that the grounding terminal and the power supply terminal meet the requirement of transmitting large current. Even if the thickened distance between the extension section of the grounding terminal and the main body part is smaller, one of the extension section of the grounding terminal and the shielding sheet is provided with the abutting part, the abutting part abuts against the other of the extension section of the grounding terminal and the shielding sheet in the vertical direction, and the abutting part has a supporting effect on the extension section of the grounding terminal, so that the extension section of the grounding terminal is not easy to deform towards the main body part, and the temperature rise effect of the grounding terminal is favorably reduced. And the shielding piece is also provided with a yielding part which yields the extending section of the power supply terminal in the up-down direction, so that short circuit between the thickened power supply terminal and the main body part is avoided.

[ description of the drawings ]

Fig. 1 is a schematic perspective view of an electrical connector according to the present invention;

FIG. 2 is a perspective view of the shield case of FIG. 1 with the shield case removed;

FIG. 3 is a schematic view of the third insulating body shown in FIG. 2;

fig. 4 is a front view of the first module, the second module and the shielding plate of fig. 3;

fig. 5 is a cross-sectional view of the first module, the second module and the shield plate of fig. 3;

FIG. 6 is an exploded perspective view of the first module, the second module and the shielding plate of FIG. 3;

FIG. 7 is a perspective view of the first insulator and the second insulator hidden in FIG. 6;

FIG. 8 is an assembled perspective view of FIG. 7;

fig. 9 is a side view of fig. 8.

Detailed description of the embodiments reference is made to the accompanying drawings in which:

electrical connector 100	Insulating body 1	Base 1a	Butt joint part 1b
				First insulating body 11	First base 111	First tongue plate 112	Through hole 113
First protrusion 114	First groove 115	First slot 116	Second insulating body 12
				Second base part 121	Second tongue plate 122	Bump 123	Second protrusion 124
Second groove 125	Second slot 126	Third insulating body 13	Terminal 2
				Signal terminal 2S	Grounding terminal	2G	Opening 2G1	Notch 2G2
Power supply terminal 2P	Extension section	21	Contact portion 211						Connecting part 212
				Horizontal segment 21a	Bending section	21b	Offset part	21c		Holding section 22
Welding part 23	First module C1	Second module C2	Shielding plate						3
				Main body 31	First abutment 32	Second abutting portion 33	The positioning part 34
Shield case 4	Inner shielding shell 41	Outer shield shell 42	Card hole 421
				Fixing plate 422	Docking chamber 43	Supporting block 5	Positioning block 51

[ detailed description ] embodiments

For better understanding of the objects, structures, features, and functions of the present invention, reference should now be made to the drawings and detailed description of the invention.

The extending direction of the X axis is defined as the front-back direction, the extending direction of the Y axis is defined as the left-right direction, and the extending direction of the Z axis is defined as the up-down direction.

As shown in fig. 1, fig. 2 and fig. 6, in order to illustrate a perspective view of the electrical connector 100 of the present invention, specifically, the electrical connector 100 is a USB Type C connector for being mounted on a circuit board (not shown, the same applies below), the electrical connector 100 includes: the circuit board comprises an insulating body 1, a plurality of terminals 2 which are formed in the insulating body 1 in an injection molding mode and are arranged in an upper row and a lower row, a shielding sheet 3 which is arranged between the upper row and the lower row of the terminals 2 and arranged on the insulating body 1, a shielding shell 4 which is arranged on the outer side of the insulating body 1 in a surrounding mode, and a supporting block 5 which is arranged below part of the insulating body 1.

As shown in fig. 2, 3 and 6, the insulating housing 1 has a base 1a and a mating portion 1b extending forward from the base 1a along a front-back direction, the mating portion 1b is used for mating with a mating connector (not shown, the same applies below), a thickness of the mating portion 1b in a vertical direction is smaller than a thickness of the base 1a in the vertical direction, and a width of the mating portion 1b in a horizontal direction is smaller than a width of the base 1a in the horizontal direction. The insulating body 1 includes a first insulating body 11, a second insulating body 12 and a third insulating body 13. The first insulating body 11 has a first base 111 and a first tongue plate 112 protruding forward from the first base 111, and a thickness of the first base 111 in the up-down direction is greater than a thickness of the first tongue plate 112 in the up-down direction. The second insulating body 12 has a second base portion 121 and a second tongue portion 122 protruding forward from the second base portion 121, and a thickness of the second base portion 121 in the vertical direction is greater than a thickness of the second tongue portion 122 in the vertical direction. The upper row of the terminals 2 is disposed on the first insulating body 11, the first insulating body 11 and the upper row of the terminals 2 are formed into a first module C1 by injection molding, the lower row of the terminals 2 is disposed on the second insulating body 12, the second insulating body 12 and the lower row of the terminals 2 are formed into a second module C2 by injection molding, and the shielding plate 3 is sandwiched between the first module C1 and the second module C2 and then is formed into an injection molding with the third insulating body 13.

As shown in fig. 2, 3 and 6, the first insulating body 11 has two through holes 113, two of the through holes 113 are disposed on the first base 111, the second insulating body 12 correspondingly has two bumps 123, two of the bumps 123 are disposed on the second base 121, and two of the bumps 123 are correspondingly received in the two through holes 113. The thicker first base 111 and the thicker second base 121 enable the height of the bump 123 to be set higher, and the depth of the through hole 113 is correspondingly set deeper, so that the first die set C1 and the second die set C2 are tightly combined, which is beneficial to injection molding with the third insulating body 13. Of course, in other embodiments, the first insulating body 11 may have the bump 123, the second insulating body 12 may have the through hole 113, and the number of the bump 123 and the through hole 113 may also be more than two.

As shown in fig. 6 to 8, the upper row of terminals 2 and the lower row of terminals 2 each include twelve terminals 2, the upper row of terminals 2 and the lower row of terminals 2 are arranged in a left-right reverse order and are arranged in a vertically symmetrical manner, defining that the terminals 2 have a width in the left-right direction and a thickness in the direction perpendicular to the left-right direction. Each row of the terminals 2 includes six signal terminals 2S, two ground terminals 2G, two power terminals 2P, and two reserved terminals (not labeled, the same below), wherein the six signal terminals 2S are divided into three pairs of the signal terminals 2S, each pair of the signal terminals 2S is used for transmitting differential signals, and the arrangement sequence of each row of the terminals 2 in the left-right direction is: one said ground terminal 2G, a pair of said signal terminals 2S, one said power supply terminal 2P, one said reserve terminal, a pair of said signal terminals 2S, one said reserve terminal, one said power supply terminal 2P, a pair of said signal terminals 2S, one said ground terminal 2G. One of the reserved terminals is a detection terminal.

As shown in fig. 2, 6 and 7, each of the terminals 2 has an extending section 21 extending lengthwise in the front-back direction, a holding section 22 extending in the up-down direction, and a soldering portion 23 extending out of the insulating body 1, the extending section 21 is at least partially located at the abutting portion 1b, the extending section 21 has a contact portion 211 and a connection portion 212 located behind the contact portion 211, and the contact portion 211 is exposed on the upper surface or the lower surface of the abutting portion 1 b. The extensions 21 of the terminals 2 of the upper row project forwardly beyond the first dielectric body 12, and the extensions 21 of the terminals 2 of the lower row project forwardly beyond the second dielectric body 13.

As shown in fig. 4, 6 and 7, the thickness of the ground terminal 2G and the thickness of the power supply terminal 2P are both larger than those of the other terminals 2, and the ground terminal 2G and the power supply terminal 2P are thickened to reduce the resistance-enhanced current-passing property. The contact portions 211 of the terminals 2 have the same width, wherein the width of the contact portion 211 of the signal terminal 2S is greater than the width of the connection portion 212 of the signal terminal 2S, the width of the contact portion 211 of the ground terminal 2G is less than the width of the connection portion 212 of the ground terminal 2G, and the width of the contact portion 211 of the power terminal 2P is less than the width of the connection portion 212 of the power terminal 2P. The signal terminal 2S is arranged from the contact portion 211 to the connecting portion 212 in a wide front and narrow back manner, and the ground terminal 2G is arranged from the contact portion 211 to the power terminal 2P in a wide front and narrow back manner, so that the distance between the adjacent signal terminal 2S and the ground terminal 2G and the power terminal 2P is favorably maintained, and the adjacent terminals 2 are prevented from being electrically interfered with each other. While thickening the ground terminal 2G and the power supply terminal 2P, widening the ground terminal 2G and the power supply terminal 2P further ensures the ability of the ground terminal 2G and the power supply terminal 2P to pass a large current.

As shown in fig. 7 to 9, each of the extension section 21 of the power terminal 2P and the extension section 21 of the ground terminal 2G includes a horizontal section 21a and a bent section 21b connected to each other, the horizontal section 21a is located in front of the bent section 21b, the contact portion 211 is disposed at the horizontal section 21a, the bent sections 21b of the upper row of the ground terminal 2G and the power terminal 2P are formed by bending and extending upward from the corresponding horizontal section 21a, and the bent sections 21b of the lower row of the ground terminal 2G and the power terminal 2P are formed by bending and extending downward from the corresponding horizontal section 21 a. The bending sections 21b of the upper row of the power terminals 2P and the bending sections 21b of the lower row of the power terminals 2P pass through the same vertical plane. In order to ensure stable connection of the electrical connector 100 with the mating connector, the top surfaces of the horizontal sections 21a of the upper row of the ground terminals 2G, the top surfaces of the horizontal sections 21a of the power supply terminals 2P, and the top surfaces of the extension sections 21 of the other terminals 2 are located on the same plane, and the bottom surfaces of the horizontal sections 21a of the lower row of the ground terminals 2G, the bottom surfaces of the horizontal sections 21a of the power supply terminals 2P, and the bottom surfaces of the extension sections 21 of the other terminals 2 are located on the same plane, so as to form two flat contact surfaces.

As shown in fig. 4, 7 and 8, the soldering portions 23 of the upper row of the terminals 2 are arranged in a row in the left-right direction, the soldering portions 23 of the lower row of the terminals 2 are arranged in a row in the left-right direction, and the soldering portions 23 of the lower row of the terminals 2 are positioned in front of the soldering portions 23 of the upper row of the terminals 2. The extension 21 of each of the signal terminals 2S of each pair has an offset portion 21c, the offset portion 21c of the signal terminal 2S in the upper row is offset to one side and the offset portion 21c of the signal terminal 2S in the lower row is offset to the opposite side in the left-right direction, and the soldering portion 23 of the terminal 2 in the upper row and the soldering portion 23 of the terminal 2 in the lower row are offset in the front-rear direction. By providing the offset portions 21c in such a manner that the offset direction of the upper row of signal terminals 2S is opposite to the offset direction of the lower row of signal terminals 2S, the soldering portions 23 of the upper row of terminals 2 and the soldering portions 23 of the lower row of terminals 2 are offset, which facilitates the simultaneous observation of the soldering portions 23 of the upper row of terminals 2 and the soldering portions 23 of the lower row of terminals 2 in the front-rear direction. The offset portions 21c of the signal terminals 2S in the same row are not located on the same straight line, that is, the offset portions 21c of the signal terminals 2S are arranged in a staggered manner in the extending direction of the signal terminals 2S, and the width occupied by the terminals 2 in the row in the transverse direction is reduced as much as possible while the offset portions 21c are arranged and the space between the terminals 2 is ensured, which is beneficial to reducing the volume of the electrical connector 100.

As shown in fig. 7 to 9, the shielding plate 3 is formed by stamping a metal plate, and has a main body 31 located between the extending sections 21 of the two rows of terminals 2, the shielding plate 3 further includes a first abutting section 32 and a second abutting section 33, where the main body 31 corresponds to each of the extending sections 21 of the ground terminals 2G, the first abutting section 32 is formed by stamping the plate where the main body 31 is located, the second abutting section 33 is formed by bending and extending the side edge of the main body 31, and the first abutting section 32 is located in front of the second abutting section 33. The main body 31 is disposed on the abutting portion 1b and located between the extending sections 21 of the two rows of the terminals 2, so that the bending section 21b is bent and extended from the corresponding horizontal section 21a in the vertical direction toward the direction away from the main body 31, the first abutting portion 32 abuts against the extending section 21 of the corresponding ground terminal 2G in the vertical direction, and the second abutting portion 33 abuts against the corresponding ground terminal 2G in the horizontal direction, in this embodiment, the first abutting portion 32 abuts against the contact portion 211 corresponding to the ground terminal 2G, and the second abutting portion 33 abuts against the connection portion 212 corresponding to the ground terminal 2G.

As shown in fig. 7 to 9, the first abutting portion 32 supports the extension 21 of the corresponding ground terminal 2G in the vertical direction, even if the distance between the extended section 21 of the ground terminal 2G and the body portion 31 is small in thickness, during the injection molding between the first insulating body 11 and the upper row of the terminals 2 and between the second insulating body 12 and the lower row of the terminals 2, the extension 21 of the ground terminal 2G is easily filled with an unsaturated material, and the extension 21 of the ground terminal 2G is not displaced and deformed in the direction of the body 31, in the injection molding process of the third insulating body 13 and the first module C1, the second module C2 and the shielding plate 3, the surface of the extension section 21 of the ground terminal 2G is not covered, so that the electrical connection between the ground terminal 2G and the mating connector is not affected. Simultaneously second butt portion 33 horizontal butt corresponds ground terminal 2G extend section 21, guaranteed ground terminal 2G with there is the contact of upper and lower, two horizontal directions between the shielding piece 3, guarantee stable connection between the two, be favorable to alleviateing ground terminal 2G's temperature rise effect. Of course, in another embodiment, the first abutting portion 32 and the second abutting portion 33 may be provided on the extension portion 21 of the ground terminal 2G, the first abutting portion 32 may abut against the body portion 31 in the vertical direction to support the extension portion 21 of the ground terminal 2G, the second abutting portion 33 may abut against the body portion 31 in the horizontal direction, one abutting portion may be provided on each of the extension portion 21 of the ground terminal 2G and the shield piece 3, one abutting portion may abut against the extension portion 21 of the ground terminal 2G and the body portion 31 in the vertical direction, and the other abutting portion may abut against the extension portion 21 of the ground terminal 2G and the body portion 31 in the horizontal direction.

As shown in fig. 3, 6 and 7, the main body 31 is sandwiched between the first die set C1 and the second die set C2, the first insulating body 11 of the first die set C1 is provided with two first slots 116, each first slot 116 correspondingly receives the second contact portion 33 contacting with the upper row of the ground terminals 2G, the second insulating body 12 of the second die set C2 is provided with two second slots 126, and each second slot 126 correspondingly receives the second contact portion 33 contacting with the lower row of the ground terminals 2G. When the first module C1, the second module C2, and the shielding plate 3 are simultaneously injection-molded with the third insulating body 13, a mold material is filled into the first slot 116 and the second slot 126, so that the first module C1, the second module C2, and the shielding plate 3 are combined more tightly.

As shown in fig. 6 to 8, the extending section 21 of each ground terminal 2G has an opening 2G1, the upper row of ground terminals 2G further has a notch 2G2 located at the opening 2G1, the notch 2G2 is located at the bending section 21b, the second abutting portion 33 passes through the corresponding opening 2G1 and interferes with the edge of the opening 2G1, the bump 123 passes through the notch 2G2, the size of the opening 2G1 in the left-right direction is smaller than that of the notch 2G2 in the left-right direction, the plate material removed by punching the opening 2G1 is reduced as much as possible while the opening 2G1 is provided for the second abutting portion 33 to pass through and abut, and the width of the ground terminal 2G is maintained as much as possible. In order to compensate for the reduced size of the corresponding position of the ground terminal 2G by providing the notch 2G2, the width of the extending section 21 of the ground terminal 2G at the position of the opening 2G1 is smaller than the width of the extending section 21 of the ground terminal 2G at the position of the notch 2G2, specifically, in the present embodiment, the portion of the connecting portion 212 of each ground terminal 2G protruding outward beyond the corresponding contact portion 211 thereof in the left-right direction is formed as a widened portion (not shown). The offset portion 21c of the signal terminal 2S, which is a pair adjacent to and in the same row as the ground terminal 2G, is aligned with the notch 2G2, and the offset direction of the offset portion 21c of the signal terminal 2S is the same as the recess direction of the notch 2G2, the notch 2G2 allows the bump 123 to pass upward, and the notch 2G2 allows the signal terminal 2S to be offset to the notch 2G2, so that the soldering portion 23 of the upper row of the terminal 2 and the soldering portion 23 of the lower row of the terminal 2 are offset.

As shown in fig. 7 to 9, in order to avoid the problem of short circuit caused by contact between the horizontal section 21a of the thickened power supply terminal 2P and the main body 31, a relief portion 34 is provided on the main body 31 corresponding to the horizontal section 21a of each power supply terminal 2P, in this embodiment, the relief portion 34 is a notch penetrating through the main body 31, and the notch 34 is described below, and the notch 34 extends to the rear of the bent section 21b, but in other embodiments, the relief portion 34 may be a recess formed by thinning the main body 31. And because the arrangement modes of the upper row of the terminals 2 and the lower row of the terminals 2 are vertically symmetrical, the bending section 21b of the upper row of the power supply terminals 2P and the bending section 21b of the lower row of the power supply terminals 2P pass through the same vertical plane, so that the two power supply terminals 2P which are opposite up and down only need to be provided with one corresponding notch 34, and the notch 34 only needs to be arranged in a way of aligning with the rear part of the bending section 21b of one row of the power supply terminals 2P.

As shown in fig. 3, 5 and 6, the first insulating body 11 is provided with a first protrusion 114 and a first groove 115 adjacent to each other on the left and right sides corresponding to each notch 34, the second insulating body 12 is provided with a second protrusion 124 and a second groove 125 adjacent to each other on the left and right sides corresponding to the same notch 34, the first protrusion 114 is correspondingly matched with the second groove 125, and the second protrusion 124 is correspondingly matched with the first groove 115. The first module C1 and the second module C2 not only have the protrusion 123 and the through hole 113 to cooperate with each other, but also have the first protrusion 114 and the second groove 125 to cooperate with each other, and the second protrusion 124 and the first groove 115 to cooperate with each other, so that the first module C1 and the second module C2 are stably combined with each other, thereby facilitating the injection molding of the first module C1 and the second module C2 with the third insulating body 13. The first protrusion 114 and the second protrusion 124 are arranged side by side from left to right, and the left and right opposite surfaces of the first protrusion 114 and the second protrusion 124 are inclined surfaces, which are favorable for guiding and matching the first protrusion 114 and the second protrusion 124.

As shown in fig. 1, the shielding shell 4 includes an inner shielding shell 41 and an outer shielding shell 42, the inner shielding shell 41 and the outer shielding shell 42 are formed by cutting and bending a metal plate, the outer shielding shell 42 is located outside the inner shielding shell 41, the outer shielding shell 42 is welded and fixed to the inner shielding shell 41, in this embodiment, the inner shielding shell 41 is a cylindrical structure with front and rear openings, a front portion of the outer shielding shell 42 is "n" shaped, and both sides of the front portion of the outer shielding shell 42 extend downward beyond the inner shielding shell 41. The inner shielding shell 41 is enclosed outside the insulating body 1, and a mating cavity 43 for a mating connector to be plugged backwards is formed.

As shown in fig. 1, the supporting block 5 is formed separately from the insulating housing 1, the supporting block 5 is located below the inner shielding housing 41 and located between two sides of the front portion of the outer shielding housing 42, the supporting block 5 is supported and wrapped on the circuit board of the inner shielding housing 41 with the insulating housing 1, two positioning blocks 51 are disposed on the left and right sides of the supporting block 5 and clamped in two clamping holes 421 on the left and right sides of the outer shielding housing 42, and two fixing pieces 422 are disposed on the left and right sides of the outer shielding housing 42 and extend into two positioning slots (not shown, the same below) at the bottom of the supporting block 5. The positioning block 51 and the positioning groove are arranged vertically opposite to each other, and are located at a position near the middle of the supporting block 5 in the front-rear direction, and the fastening hole 421 and the fastening piece 422 are correspondingly arranged vertically opposite to each other, so that the outer shielding shell 42 is favorable for stably fastening the supporting block 5, the supporting block 5 is prevented from being inclined downward easily at the other side of the front side and the rear side of the supporting block 5 because the positioning block 51 and the positioning groove are located at one side of the front side and the rear side of the supporting block 5, and the supporting block 5 is favorable for stably supporting the insulating body 1. Of course, in other embodiments, the positioning block 51 and the positioning slot on each side of the supporting block 5 may be located on the front and rear sides of the supporting block 5.

To sum up, the utility model discloses electric connector has following beneficial effect:

1. the first abutting portion 32 supports the extension section 21 of the corresponding ground terminal 2G in the up-down direction, even if the distance between the extended section 21 of the ground terminal 2G and the body portion 31 is small in thickness, during the injection molding between the first insulating body 11 and the upper row of the terminals 2 and between the second insulating body 12 and the lower row of the terminals 2, the extended section 21 of the ground terminal 2G which is thickened is easily filled with an unsaturated material, the extension 21 of the ground terminal 2G is not displaced and deformed in the direction of the body portion 31, in the injection molding process of the third insulating body 13 and the first module C1, the second module C2 and the shielding plate 3, the surface of the extension section 21 of the ground terminal 2G is not covered, so that the electrical connection between the ground terminal 2G and the mating connector is not affected. Simultaneously second butt portion 33 horizontal butt corresponds ground terminal 2G extend section 21, guaranteed ground terminal 2G with there is the contact of upper and lower, two horizontal directions between the shielding piece 3, guarantee stable connection between the two, be favorable to alleviateing ground terminal 2G's temperature rise effect.

2. The signal terminal 2S is arranged from the contact portion 211 to the connecting portion 212 in a wide front and narrow back manner, and the ground terminal 2G is arranged from the contact portion 211 to the power terminal 2P in a wide front and narrow back manner, so that the distance between the adjacent signal terminal 2S and the ground terminal 2G and the power terminal 2P is favorably maintained, and the adjacent terminals 2 are prevented from being electrically interfered with each other. While thickening the ground terminal 2G and the power supply terminal 2P, widening the ground terminal 2G and the power supply terminal 2P further ensures the ability of the ground terminal 2G and the power supply terminal 2P to pass a large current.

3. By providing the offset portions 21c in such a manner that the offset direction of the upper row of signal terminals 2S is opposite to the offset direction of the lower row of signal terminals 2S, the soldering portions 23 of the upper row of terminals 2 and the soldering portions 23 of the lower row of terminals 2 are offset, which facilitates the simultaneous observation of the soldering portions 23 of the upper row of terminals 2 and the soldering portions 23 of the lower row of terminals 2 in the front-rear direction. The offset portions 21c of the signal terminals 2S in the same row are not located on the same straight line, that is, the offset portions 21c of the signal terminals 2S are arranged in a staggered manner in the extending direction of the signal terminals 2S, and the width occupied by the terminals 2 in the row in the transverse direction is reduced as much as possible while the offset portions 21c are arranged and the space between the terminals 2 is ensured, which is beneficial to reducing the volume of the electrical connector 100.

4. In order to avoid the problem of short circuit caused by contact between the thickened horizontal section 21a of the power supply terminal 2P and the main body 31, one notch 34 is provided in the main body 31 corresponding to the horizontal section 21a of each power supply terminal 2P, and the notch 34 extends to the rear of the bending section 21 b. And because the arrangement modes of the upper row of the terminals 2 and the lower row of the terminals 2 are vertically symmetrical, the bending section 21b of the upper row of the power terminals 2P and the bending section 21b of the lower row of the power terminals 2P pass through the same vertical plane, and the notch 34 only needs to be arranged in a manner of being aligned with the rear part of the bending section 21b of one row of the power terminals 2P.

The above detailed description is only for the purpose of illustrating the preferred embodiments of the present invention, and not for the purpose of limiting the scope of the present invention, therefore, all the equivalent technical changes applying the present specification and the drawings are included in the scope of the present invention.

Claims

1. An electrical connector, comprising:

an insulating body having a mating portion extending in a front-rear direction;

the plurality of terminals are injection molded on the insulating body and arranged in an upper row and a lower row, each row of the terminals comprises at least one signal terminal, at least one grounding terminal and at least one power terminal, each row of the terminals is arranged along the left-right direction, each terminal is provided with an extending section which lengthily extends in the front-back direction, the extending section is at least partially positioned on the butting part, the extending section is provided with a contact part, the contact part is exposed at the butting part, the terminals are defined to have a width in the left-right direction and a thickness in the direction perpendicular to the left-right direction, and the thickness of the grounding terminal and the thickness of the power terminal are both larger than the thickness of the signal terminal;

the shielding piece is provided with a main body part which is arranged on the butt joint part and is positioned between the extending sections of the two rows of terminals;

in the vertical direction, the distance between the extension section of the ground terminal and the main body part is smaller than the distance between the extension section of the signal terminal and the main body part, and the distance between the extension section of the power terminal and the main body part is smaller than the distance between the extension section of the signal terminal and the main body part;

the shielding piece corresponds each ground terminal still is equipped with a first butt portion and corresponds each the power supply terminal still is equipped with one and lets a position portion, first butt portion butt corresponds in the up-and-down direction ground terminal extend the section, it steps down in the up-and-down direction to let a position portion the section of extending of power supply terminal.

2. The electrical connector of claim 1, wherein: the shielding piece is also provided with a second abutting part corresponding to each grounding terminal, the second abutting part abuts against the corresponding extending section of the grounding terminal in the horizontal direction, and the first abutting part abutting against the extending section of the same grounding terminal is positioned in front of the second abutting part.

3. The electrical connector of claim 1, wherein: the extension section of power supply terminal is including a continuous horizontal segment and a section of bending, the horizontal segment is located the place ahead of the section of bending, the contact site is located the horizontal segment, the section of bending certainly the horizontal segment is gone towards in the upper and lower direction and is kept away from the direction of main part is buckled and is extended, the main part corresponds each the horizontal segment of power supply terminal is equipped with one let position portion, let position portion be run through from top to bottom the breach of main part, the breach extends to from preceding back the power supply terminal the rear of the section of bending.

4. The electrical connector of claim 3, wherein: the bending sections of the upper row of the power terminals and the bending sections of the lower row of the power terminals pass through the same vertical plane.

5. The electrical connector of claim 3, wherein: the insulation body comprises a first insulation body and a second insulation body, the upper row of terminals are arranged on the first insulation body, the lower row of terminals are arranged on the second insulation body, the first insulation body is provided with a first bulge and a first groove which are adjacent to each other left and right corresponding to each gap, the second insulation body is provided with a second bulge and a second groove which are adjacent to each other left and right corresponding to the same gap, the first bulge is correspondingly matched with the second groove, and the second bulge is correspondingly matched with the first groove.

6. The electrical connector of claim 5, wherein: the first bulge and the second bulge are arranged side by side left and right, and the left and right opposite surfaces of the first bulge and the second bulge are inclined planes.

7. The electrical connector of claim 1, wherein: the insulation body comprises a first insulation body and a second insulation body, the first insulation body and one row of the first insulation body are formed into a first module through terminal injection molding, the second insulation body and the other row of the second insulation body are formed into a second module through terminal injection molding, the first insulation body is provided with at least one through hole, the second insulation body correspondingly has at least one lug which is contained in the through hole, and the main body portion is clamped and arranged between the first module and the second module.

8. The electrical connector of claim 7, wherein: the shielding piece corresponds each ground terminal all is equipped with a second butt portion, second butt portion butt corresponds in the horizontal direction ground terminal the extension section, first insulator is equipped with at least one first fluting, first fluting correspondence accept with one of them row in the terminal ground terminal butt second butt portion, second insulator is equipped with at least one second fluting, the second fluting correspondence accept with another row in the terminal ground terminal butt second butt portion, first module the second module with the shielding piece all with a third insulator injection moulding.

9. The electrical connector of claim 8, wherein: the extension section of the ground terminal fixed to the first insulating body has an opening and a notch arranged in the front-rear direction, the size of the opening in the left-right direction is smaller than the size of the notch in the left-right direction, the second abutting portion passes through the corresponding opening and interferes with the edge of the opening, and the projection passes through the notch.

10. The electrical connector of claim 9, wherein: the width of the extension of the ground terminal at the location of the opening is smaller than the width of the extension of the ground terminal at the location of the notch.

11. The electrical connector of claim 7, wherein: the first insulating body is provided with a first base part and a first tongue plate protruding forwards from the first base part, the thickness of the first base part in the vertical direction is larger than that of the first tongue plate in the vertical direction, the through hole is formed in the first base part, the second insulating body is provided with a second base part and a second tongue plate protruding forwards from the second base part, the thickness of the second base part in the vertical direction is larger than that of the second tongue plate in the vertical direction, and the bump is arranged on the second base part.

12. The electrical connector of claim 1, wherein: the extension section of each terminal has a contact portion and a connecting portion located behind the contact portion, the contact portions of the signal terminals, the contact portions of the ground terminals and the contact portions of the power terminals have the same width, the width of the contact portions of the signal terminals is greater than the width of the connecting portions of the signal terminals, the width of the contact portions of the ground terminals is less than the width of the connecting portions of the ground terminals, and the width of the contact portions of the power terminals is less than the width of the connecting portions of the power terminals.

13. The electrical connector of claim 1, wherein: each of the terminals has a soldering portion extending out of the insulating body, the soldering portions of the upper row of terminals are arranged in a row in the left-right direction, the soldering portions of the lower row of terminals are positioned in front of the soldering portions of the upper row of terminals, each row of terminals includes a plurality of pairs of signal terminals, each pair of signal terminals is used for transmitting differential signals, the extending section of each pair of signal terminals has an offset portion, the offset portion of the upper row of signal terminals is offset to one side in the left-right direction, the offset portion of the lower row of signal terminals is offset to the opposite side, and the soldering portions of the upper row of terminals and the soldering portions of the lower row of terminals are offset in the front-rear direction.

14. The electrical connector of claim 13, wherein: the offset portions of the pairs of signal terminals in the same row are not located on the same straight line.

15. The electrical connector of claim 13, wherein: the insulation body comprises a first insulation body and a second insulation body, the first insulation body and one row of the first insulation body are formed into a first module by injection molding of the terminal, the second insulation body and the other row of the second insulation body are formed into a second module by injection molding of the terminal, the first insulation body is provided with at least one through hole, the second insulation body correspondingly has at least one lug which is contained in the through hole and fixed on the first insulation body, the grounding terminal is provided with a notch, the lug penetrates through the notch, and the grounding terminal is arranged in the same row and adjacent to the notch, and the offset part of the signal terminal is aligned to the notch.

16. An electrical connector, comprising:

an insulating body having a mating portion extending in a front-rear direction;

one of the extension section of the grounding terminal and the shielding sheet is provided with an abutting part, the abutting part abuts against the extension section of the grounding terminal and the other one of the shielding sheets in the up-down direction, the shielding sheet corresponds to each power terminal and is further provided with a yielding part, and the yielding part yields the extension section of the power terminal in the up-down direction.

17. The electrical connector of claim 16, wherein: one of the extension section of the ground terminal and the shield plate is further provided with another abutting portion that abuts the other of the extension section of the ground terminal and the shield plate in the horizontal direction.