CN215600595U - Electric connector combination - Google Patents

Abstract

The utility model discloses an electric connector combination, comprising: the electric connector comprises an insulating body, a first terminal and a second terminal, wherein the first terminal comprises a first welding part extending backwards from a first main body part and a first contact part extending forwards from the first main body part and exposed out of the butt joint cavity; the butt joint piece inserts the butt joint chamber along the butt joint direction, the second conductor is equipped with to lead and connects portion and is located the butt joint portion that leads and connect portion the place ahead and be located first contact site the place ahead, lead and connect portion and butt joint portion all contact with one side of first conductor, the opposite side of first conductor exposes the butt joint chamber and contact with first contact site and second contact site along the butt joint direction in proper order, lead and connect the portion just to first contact site setting or be located the rear of first contact site, reduce the interference that signal radiation caused, high frequency performance has been promoted.

Description

Electric connector combination

[ technical field ] A method for producing a semiconductor device

The present invention relates to an electrical connector assembly, and more particularly to an electrical connector assembly with high frequency performance.

[ background of the utility model ]

The plug comprises a tongue plate inserted into the plugging cavity, the plug terminal is arranged on the tongue plate and exposed on the surface of the tongue plate, and when the tongue plate of the plug is inserted into the plugging cavity of the socket forwards, the elastic contact part and the plug terminal are elastically abutted to form a contact point.

When the plug is inserted into the socket forward, the distance between the contact point and the front end of the plug terminal has a crucial influence on the signal integrity of the electrical connector, and the plug terminal of the existing electrical connector combination generally has a standard contact length to conform to the socket manufactured by each manufacturer, so that the distance between the contact point and the front end of the plug terminal is relatively long, signal radiation generated by the distance can interfere with other signals transmitted by the surrounding plug terminal and the socket terminal, and the longer the distance is, the greater the radiation is, the greater the interference is on other signals transmitted by the plug terminal and the socket terminal, and thus the high-frequency performance of the electrical connector is deteriorated.

Therefore, there is a need to design a new electrical connector assembly to overcome the above problems.

[ Utility model ] content

The utility model aims to provide an electric connector combination which is additionally provided with a second terminal and a conducting part, wherein the second terminal is abutted against one side of a first conductor, the conducting part and the abutting part are arranged on the second conductor and abutted against the other side of the first conductor so as to reduce the signal radiation of the first conductor.

In order to achieve the purpose, the utility model adopts the following technical scheme: in one aspect, the present invention provides an electrical connector assembly comprising: an electrical connector, the electrical connector includes an insulating body, a mating cavity recessed rearward from a front end surface of the insulating body, at least one first terminal, the first terminal comprises a first main body part arranged in the insulating body, a first welding part extending backwards from the first main body part to the insulating body, a first contact part extending forwards from the first main body part and exposing the butting cavity, at least one second terminal, the second terminal comprises a second main body part arranged in the insulating body, the second main body part and the first main body part are stacked up and down, and a second contact part which extends forwards from the second main body part and is exposed to the butting cavity, the second contact part and the first contact part are positioned on the same side of the docking cavity, and the second contact part is positioned behind the first contact part; the butt joint piece is used for being inserted into the butt joint cavity from the front end of the electric connector along the butt joint direction and comprises at least one first conductor and at least one second conductor, the second conductor is provided with a guide connection part and a butt joint part located in front of the guide connection part, the guide connection part and the butt joint part are both in contact with one side of the first conductor, the other side of the first conductor is exposed in the butt joint cavity and is sequentially in contact with the first contact part and the second contact part along the butt joint direction, the guide connection part is right opposite to the first contact part or located behind the first contact part, and the butt joint part is located in front of the first contact part.

Further, the first contact part is in contact with the first conductor to form a first contact point, the second contact part is in contact with the first conductor to form a second contact point, and the distance between the first contact point and the second contact point along the front-back direction is 1.6mm-2.2 mm.

Further, the docking piece includes an insulating base body having a base portion and a tongue plate extending rearward from the base portion, the tongue plate is inserted into the docking cavity from a front end of the electrical connector, one side of the first conductor is exposed on a surface of the tongue plate to abut against the first contact portion and the second contact portion, the second conductor is partially disposed in the tongue plate, and the conductive portion is located in the tongue plate to abut against the other side of the first conductor.

Furthermore, the rear end of the second conductor is reversely bent towards the first conductor to form the connecting part, the first conductor is provided with a rear end part bent and extended towards the connecting part, and the rear end part is abutted against the connecting part in the tongue plate.

Further, the butt joint piece comprises at least one third conductor, the first conductor comprises a first butt joint part exposed on the lower surface of the tongue plate, a first inclined part extends forwards and downwards from the first butt joint part, the third conductor comprises a second butt joint part exposed on the upper surface of the tongue plate, a second inclined part extends forwards and downwards from the second butt joint part, the second conductor is provided with at least one first grounding part and at least one second grounding part, the first grounding part is abutted against the second butt joint part, and the second grounding part is abutted against the second inclined part.

Further, the length of the second inclined portion is greater than the length of the first inclined portion, and the first ground portion and the second ground portion are located in front of the abutting portion.

Further, the abutting portion extends forward from the second conductor and bends toward the first conductor, the abutting portion abuts against a region of the first conductor located behind the first abutting portion, and the abutting portion abuts against the first conductor in the tongue plate.

Further, the second terminal is located between the first terminal and the first conductor in the up-down direction, and the first contact portion and the second contact portion are aligned in the front-rear direction.

Further, the thickness of the second terminal is smaller than the thickness of the first terminal in the up-down direction, and the width of the second terminal is smaller than the width of the first terminal in the left-right direction.

Furthermore, an accommodating groove is formed in the rear end face of the insulating body in a forward concave mode, the first main body portion and the second main body portion are stacked in the vertical direction and are formed in a first insulating block in an injection molding mode, the first welding portion extends backwards to form the first insulating block, the first contact portion and the second contact portion extend forwards to form the first insulating block, and the first insulating block is inserted forwards from the rear portion and is fixed in the accommodating groove.

Further, the abutting member includes an insulating base body having a base portion and a tongue plate extending rearward from the base portion, the first conductors are provided in plural, the plural first conductors are arranged in a row in a left-right direction, the second conductor includes a main plate portion in a flat plate shape, the main plate portion is provided with one of the conductive connection portions and one of the abutting portions corresponding to each of the first conductors, the abutting portions extend obliquely forward from the main plate portion and toward the first conductors, an accommodating groove is recessed rearward from a front end surface of the base portion, and the second conductor is inserted into the accommodating groove from front to rear to electrically connect the plural first conductors.

Further, the first terminal with the first conductor is ground terminal and is equipped with a plurality ofly, electric connector is equipped with a plurality of signal terminal, each first terminal and every adjacent two signal terminal along left right direction staggered arrangement sets up, the butt joint piece is equipped with a plurality of signal conductor, each first conductor and every adjacent two signal conductor along left right direction staggered arrangement sets up, and is a plurality of first terminal one-to-one with a plurality of first conductor contact is, and is a plurality of signal terminal one-to-one with a plurality of signal conductor contact.

Furthermore, the electrical connector is provided with a plurality of connecting terminals corresponding to the plurality of signal terminals, each connecting terminal comprises a third main body part and a third contact part extending forwards from the third main body part, each signal terminal comprises a fourth main body part, a fourth contact part extending forwards from the fourth main body part and a second welding part extending backwards from the fourth main body part, the third main body part and the fourth main body part are stacked up and down, and the fourth contact part and the third contact part are exposed out of the butt-joint cavity to be in contact with the signal conductor.

Furthermore, the first terminal, the second terminal and the first conductor are grounding terminals, a grounding piece is arranged in the insulating body, the second terminal and the grounding piece are respectively positioned on the upper side and the lower side of the first terminal to be in electrical contact with the first terminal, the projections of the second terminal, the first terminal and the grounding piece in the upper and lower directions are all overlapped, the grounding piece is provided with at least one grounding elastic sheet, and the grounding elastic sheet is abutted to the first main body part.

Compared with the prior art, the second terminal is additionally arranged, the second main body part and the first main body part of the second terminal are stacked in the vertical direction, the second main body part extends forwards from the second main body part and is exposed to the second contact part of the butting cavity, the second contact part and the first contact part are positioned on the same side of the butting cavity, when the butting piece is inserted into the butting cavity from the front end of the electric connector, the first contact part and the second contact part are both in contact with one side of the butting part of the first conductor, and the second contact part is positioned behind the first contact part, so that the area from the contact point of the second contact part to the rear end of the first conductor is shorter than the area from the contact point of the first contact part to the rear end of the first conductor, and compared with the arrangement of only one contact point, the signal radiation generated by the contact point of the first contact part to the area from the rear end of the first conductor is reduced The interference of other signals transmitted by the first terminal and the first conductor around the transmission pair is transmitted, the high-frequency performance of the electric connector combination is improved, the second conductor is provided with the guide connection part and the abutting part positioned in front of the guide connection part, the guide connection part is contacted with the other side of the first conductor, the signal radiation generated by the first contact part to the region at the rear end of the first conductor is further reduced or even eliminated, and the double guarantee is provided for reducing the signal radiation so as to provide high-frequency signal transmission.

[ description of the drawings ]

Fig. 1 is an exploded perspective view of the electrical connector of the present invention;

FIG. 2 is a partial exploded perspective view of FIG. 1;

FIG. 3 is a perspective view of FIG. 1;

FIG. 4 is an exploded perspective view of the docking member of the present invention;

FIG. 5 is a perspective view of FIG. 4;

FIG. 6 is a perspective view of the electrical connector of the present invention when it is unmated with the mating member;

fig. 7 is a perspective view of the electrical connector of the present invention after being mated with the mating member;

FIG. 8 is a top view of FIG. 7;

FIG. 9 is a side cross-sectional view of the electrical connector of the present invention shown unmated with the mating member;

FIG. 10 is a side cross-sectional view taken along line F-F of FIG. 8;

fig. 11 is a side cross-sectional view of fig. 8 taken along line I-I.

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

[ detailed description ] embodiments

For a better understanding of the objects, structure, features, and functions of the utility model, reference should be made to the drawings and detailed description that follow.

Referring to fig. 1 and 4, the electrical connector assembly of the present invention includes an electrical connector 100 and a mating member 200 mating with the electrical connector 100, the electrical connector 100 is soldered to a circuit board (not shown) by surface mounting, the electrical connector 100 includes an insulating body 11, a plurality of first terminals 12, a plurality of second terminals 13, a plurality of third terminals 14, a plurality of fourth terminals 15, a plurality of signal terminals 16, a plurality of connecting terminals 17, a grounding member 18, a shielding plate 19, a first insulating block a and a second insulating block B fixed to the insulating body 11. The docking member 200 includes an insulation housing 21, and a plurality of first conductors 22, a plurality of signal conductors 23, a second conductor 24, a plurality of third conductors 25, a plurality of fourth conductors 26, a third insulation block C and a fourth insulation block D held on the insulation housing 21.

Referring to fig. 1, 3 and 9, the insulating body 11 is elongated, a docking cavity 111 is recessed from a front end surface of the insulating body 11, the insulating body 11 is provided with a first sidewall 112 located at a lower side of the docking cavity 111, a second sidewall 113 located at an upper side of the docking cavity 111, and a bottom wall 114 connecting the first sidewall 112 and the second sidewall 113 at a rear end of the docking cavity 111. A plurality of first terminal grooves 1121 are recessed rearward from a front end surface of the first side wall 112 and arranged in a row in the left-right direction so that the plurality of first terminals 12, the plurality of second terminals 13, the plurality of signal terminals 16, and the plurality of connection terminals 17 are inserted thereinto. A plurality of second terminal grooves 1131 arranged in a row in the left-right direction are recessed rearward from the front end surface of the second side wall 113, and a plurality of the third terminals 14 and a plurality of the fourth terminals 15 are inserted therein. The first terminal groove 1121 and the second terminal groove 1131 are both in communication with the mating cavity 111. The first terminal grooves 1121 include a plurality of ground terminal grooves 1121A and a plurality of signal terminal grooves 1121B, the plurality of ground terminal grooves 1121A and the plurality of signal terminal grooves 1121B are arranged in a row in the left-right direction, and each of the ground terminal grooves 1121A and each of two adjacent signal terminal grooves 1121B are arranged in a staggered manner in the left-right direction. A receiving groove 1141 is recessed forward from the rear end surface of the bottom wall 114, the receiving groove 1141 communicates with the first terminal grooves 1121, the first insulating block a is injection-molded on the first terminals 12, the second terminals 13, the signal terminals 16 and the connecting terminals 17, and then is inserted into the receiving groove 1141 from the rear to the front, the first insulating block a is fixed in the receiving groove 1141, the second terminals 13 are stacked above the first terminals 12 one by one, the connecting terminals 17 are stacked above the signal terminals 16 one by one, one of the second terminals 13 and one of the first terminals 12 are received in one of the ground terminal grooves 1121A and exposed to the mating cavity 111, one of the connecting terminals 17 and one of the signal terminals 16 are received in one of the signal terminal grooves 1121B and exposed to the mating cavity 111, the grounding member 18 is inserted into the receiving slot 1141 from the back to the front, and the grounding member 18 is located between the first insulation block a and the bottom wall 114 of the receiving slot 1141. A receiving groove 1142 is further recessed forward from the rear end surface of the bottom wall 114, the receiving groove 1142 communicates with the plurality of second terminal grooves 1131, the second insulating block B is injection molded on the outer sides of the plurality of third terminals 14, and then is inserted into the receiving groove 1142 forward from the rear together, the second insulating block B is fixed in the receiving groove 1142, the plurality of third terminals 14 and the plurality of fourth terminals 15 correspondingly extend into the plurality of second terminal grooves 1131 one by one and are exposed in the mating cavity 111, the shielding plate 19 is inserted into the receiving groove 1142 forward from the rear, and the shielding plate 19 is located between the second insulating block B and the top wall of the receiving groove 1142.

Referring to fig. 1 and 2, it is to be noted that the first terminal 12 and the second terminal 13 are both ground terminals, and the connection terminal 17 is a signal terminal. The plurality of first terminals 12 and the plurality of signal terminals 16 are arranged in a row in the left-right direction, and each of the first terminals 12 and every adjacent two of the signal terminals 16 are arranged in a staggered manner in the left-right direction. The number of the second terminals 13 is set corresponding to the number of the first terminals 12, the plurality of second terminals 13 are set above the plurality of first terminals 12 in a one-to-one correspondence, and one second terminal 13 and one first terminal 12 are commonly set in the same ground terminal groove 1121A. The number of the connection terminals 17 is set corresponding to the number of the signal terminals 16, the plurality of connection terminals 17 are disposed above the plurality of signal terminals 16 in a one-to-one correspondence, and one signal terminal 16 and one connection terminal 17 are disposed in the same signal terminal groove 1121B. The plurality of second terminals 13 and the plurality of connection terminals 17 are arranged in a row in the left-right direction.

Referring to fig. 1, fig. 2, fig. 10 and fig. 11, each of the first terminals 12 includes a first main body portion 121 disposed in the insulating body 11, a first soldering portion 122 extending from the first main body portion 121 backward to the insulating body 11, and a first contact portion 123 extending from the first main body portion 121 forward to enter the ground terminal groove 1121A and exposed to the mating cavity 111. Each of the second terminals 13 is located between one of the first terminals 12 and one of the first conductors 22 in the up-down direction, the thickness of each of the second terminals 13 in the up-down direction is smaller than the thickness of each of the first terminals 12, the width of each of the second terminals 13 in the left-right direction is smaller than the width of each of the first terminals 12, since the second terminals 13 are located between the first terminals 12 and the mating cavities 111, when the docking member 200 is inserted into the docking cavity 111, the docking member 200 generates a holding force on the second contact portion 132 such that the second contact portion 132 deflects toward the first contact portion 123, the thickness and width of the second terminal 13 are smaller than those of the first terminal 12, the second contact portion 132 can be prevented from pressing against the first contact portion 123, so that poor contact between the first contact portion 123 and the first conductor 22 can be avoided. Each of the second terminals 13 includes a second main body portion 131 disposed in the insulating body 11, the second main body portion 131 and the first main body portion 121 are stacked up and down, a second contact portion 132 extending forward from the second main body portion 131 into the ground terminal groove 1121A and exposed to the mating cavity 111, the second contact portion 132 and the first contact portion 123 are both located on the same side of the mating cavity 111, the second contact portion 132 is located behind the first contact portion 123, and the first contact portions 123 and the second contact portions 132 are aligned one by one along the front-back direction. The rear end of the second body portion 131 does not extend rearward to other portions. The first insulating block a covers the outer sides of the first main body part 121 and the second main body part 131, the first main body part 121 and the second main body part 131 are fixed by the first insulating block a, and then the first insulating block a and the second insulating block a are inserted into the receiving groove 1141 together, so that the first terminal 12 and the second terminal 13 can be more stably fixed in the insulating body 11, the first terminal 12 and the second terminal 13 are not easy to fall off or shake due to unstable fixation, the structural strength of the electrical connector 100 is ensured, and the stable connection of the electrical connector 100 and the butting piece 200 is ensured. The first welding portion 122 extends rearward out of the first insulating block a, and the first contact portion 123 and the second contact portion 132 extend forward out of the first insulating block a.

Referring to fig. 1, fig. 2 and fig. 10, each of the connection terminals 17 includes a third main body portion 171 disposed in the insulation body 11, a third contact portion 172 extending forward from the third main body portion 171 into the signal terminal groove 1121B and exposed to the mating cavity 111, and a rear end of the third main body portion 171 does not extend rearward to other portions. Each of the connection terminals 17 is located between one of the signal terminals 16 and one of the signal conductors 23 in the vertical direction, the thickness of each of the connection terminals 17 in the vertical direction is smaller than the thickness of each of the signal terminals 16, and the width of each of the connection terminals 17 in the horizontal direction is smaller than the width of each of the signal terminals 16. Each of the signal terminals 16 includes a fourth main body 161 disposed on the insulating body 11, the third main body 171 and the fourth main body 161 are stacked up and down, a second soldering portion 163 extending from the fourth main body 161 to the rear of the insulating body 11, and a fourth contact portion 162 extending from the fourth main body 161 to the front of the signal terminal groove 1121B and exposed to the docking cavity 111, the third contact portion 172 and the fourth contact portion 162 are exposed to the same side of the docking cavity 111 to contact with the signal conductor 23, the third contact portion 172 is located behind the fourth contact portion 162, and the third contact portions 172 and the fourth contact portions 162 are aligned one by one along the front-rear direction. The first insulating block a is wrapped outside the third main body 171 and the fourth main body 161, the second welding portion 163 extends backward to form the first insulating block a, and the third contact portion 172 and the fourth contact portion 162 extend forward to form the first insulating block a.

Referring to fig. 1 and 10, the grounding member 18 is formed by stamping a metal plate, the grounding member 18 is elongated, the grounding member 18 is inserted into the receiving slot 1141 from back to front, the second terminal 13 and the grounding member 18 are respectively located at the upper and lower sides of the first terminal 12 to electrically contact with the first terminal 12, the projections of the second terminal 13, the first terminal 12 and the grounding member 18 along the up-down direction are all overlapped, the grounding member 18 is provided with a plurality of grounding elastic sheets 181, a part of the grounding elastic sheets 181 extends forward and backward, other grounding elastic sheets 181 extend backward and backward, the number of the grounding elastic sheets 181 extending forward and the number of the grounding elastic sheets 181 extending backward are the same, and the plurality of grounding elastic sheets 181 extending forward and the plurality of grounding elastic sheets 181 extending backward are aligned one by one along the front-back direction, one of the grounding elastic pieces 181 extending forward and one of the grounding elastic pieces 181 extending backward contact the first body portion 121 of the same first terminal 12.

Referring to fig. 1, 2 and 4, the third terminals 14 are used to electrically connect with the third conductors 25, signal terminals are further disposed between two adjacent third terminals 14, each third terminal 14 includes a fifth main body portion 141 fixed to the second insulating block B, a fifth contact portion 142 extending forward from the fifth main body portion 141 and extending into the second terminal groove 1131 and exposed to the mating cavity 111, and a third welding portion 143 of the second insulating block B extends rearward from the fifth main body portion 141.

Referring to fig. 1, the shielding plate 19 is provided with a plurality of contact spring pieces 191 extending forward corresponding to the plurality of third terminals 14, the plurality of contact spring pieces 191 and the plurality of fifth contact portions 142 are in one-to-one correspondence, each contact spring piece 191 is correspondingly aligned with one of the fifth contact portions 142 in the front-back direction, the contact spring piece 191 is located behind the fifth contact portion 142, and one of the contact spring pieces 191 and one of the fifth contact portions 142 contact one of the third conductors 25 together.

Referring to fig. 4 and 5, the insulating base 21 is longitudinal, the insulating base 21 includes a base 211 and a tongue plate 212 extending backward from the base 211, a receiving groove 2111 is recessed backward from a front end surface of the base 211, a thickness of the tongue plate 212 is smaller than a thickness of the base 211, the tongue plate 212 is inserted into the mating cavity 111 from a front end of the insulating body 11, and the base 211 is located outside the mating cavity 111.

Referring to fig. 4, 10 and 11, the first conductor 22 is a ground terminal, the plurality of first conductors 22 and the plurality of signal conductors 23 are arranged in a row along a left-right direction, each of the first conductors 22 and each of two adjacent signal conductors 23 are arranged in a staggered manner along the left-right direction, the third insulating block C is formed outside the plurality of first conductors 22 and the plurality of signal conductors 23 by injection molding, the third insulating block C is fixedly matched with the base 211 to firmly fix the plurality of first conductors 22 and the plurality of signal conductors 23 in the insulating base body 21, the plurality of third conductors 25 and the plurality of fourth conductors 26 are arranged in a row along the left-right direction, the fourth insulating block D is formed outside the plurality of third conductors 25 and the plurality of fourth conductors 26 by injection molding, and the fourth insulating block D is fixedly matched with the base 211 to firmly fix the plurality of third conductors 25 and the plurality of fourth conductors 26 in the insulating base body 21 Within the body 21. The second conductor 24 is inserted into the receiving slot 2111 from the front to the back, the first conductor 22 and the signal conductor 23 are located at the lower side of the insulation base body 21, the third conductor 25 and the fourth conductor 26 are located at the upper side of the signal conductor 23, and the second conductor 24 is located between the first conductor 22 and the third conductor 25. The plurality of first terminals 12 and the plurality of second terminals 13 are in one-to-one contact with the plurality of first conductors 22, the plurality of signal terminals 16 and the plurality of connection terminals 17 are in one-to-one contact with the plurality of signal conductors 23, the plurality of third terminals 14 and the plurality of contact spring pieces 191 are in one-to-one contact with the plurality of third conductors 25, and the plurality of fourth terminals 15 are in one-to-one contact with the plurality of fourth conductors 26.

Referring to fig. 4, 9 and 10, the second conductor 24 includes a main plate portion 241 having a flat plate shape, the main plate portion 241 is provided with a connecting portion 242 and an abutting portion 243 corresponding to each first conductor 22, the abutting portion 243 is located in front of the connecting portion 242, and the abutting portion 243 and the connecting portion 242 are aligned in the front-back direction. Each abutting portion 243 is formed by punching, tearing and molding from the main plate portion 241, the abutting portion 243 extends forward and obliquely toward the first conductor 22, the abutting portion 243 abuts against the first conductor 22 located in front of the first contact portion 123 in the tongue plate 212, common mode resonance generated in a region from the front end of the first conductor 22 to the first abutting portion 221 of the first conductor 22 can be improved, and the abutting portion 243 is abutted in the tongue plate 212, so that the volume of the insulating base body 21 is not increased additionally due to the arrangement of the abutting portion 243. Each of the connecting portions 242 is formed by reversely bending from the rear end of the second conductor 24 toward the first conductor 22, the connecting portion 242 abuts against the rear end of the first conductor 22 in the tongue plate 212, and the connecting portion 242 is formed by reversely bending, so that the structural stability of the connecting portion 242 is stronger, the contacting between the connecting portion 242 and the rear end of the first conductor 22 is more stable, and the connecting portion 242 is not easily separated from the rear end of the first conductor 22 due to external force. A plurality of first grounding portions 244 and second grounding portions 245 are further provided from the main plate portion 241 of the second conductor 24, the first grounding portions 244 and the second grounding portions 245 are formed by punching and tearing the main plate portion 241, the first grounding portions 244 and the second grounding portions 245 are in spring arm shapes, the number of the first grounding portions 244 and the number of the second grounding portions 245 are the same, and one first grounding portion 244 and one second grounding portion 245 are in contact with one third conductor 25. The first grounding portion 244 extends rearward and upward obliquely from the main plate portion 241, the second grounding portion 245 extends forward and downward obliquely from the main plate portion 241, the first grounding portion 244 is located rearward of the second grounding portion 245 and forward of the abutting portion 243, and the first grounding portion 244 and the second grounding portion 245 are disposed at a position shifted in the front-rear direction.

Referring to fig. 9, the first conductors 22 are ground terminals, each of the first conductors 22 includes a first butting portion 221 exposed on the lower surface of the tongue plate 212, and the first contact portion 123 and the second contact portion 132 contact one side of the first butting portion 221. The first conductor 22 further has a rear end 222 bent and extended toward the connecting portion 242, the rear end 222 is located behind the first connecting portion 221, the rear end 222 abuts against the connecting portion 242 in the tongue plate 212, a first inclined portion 223 extends forward and downward from the first connecting portion 221, the first inclined portion 223 is wrapped in the third insulating block C, and a first solder tail 224 horizontally extends forward from the first inclined portion 223.

Referring to fig. 4, 6 and 11, the third conductor 25 is disposed on the insulating body 11, the third conductor 25 is a ground terminal, two signal terminals 16 are disposed between two adjacent third conductors 25, each third conductor 25 includes a second butting portion 251 exposed on the upper surface of the tongue plate 212, one fifth contact portion 142 and one contact spring 191 jointly abut against one surface of the second butting portion 251, the first ground portion 244 abuts against the other surface of the second butting portion 251, and the contact position of the first ground portion 244 is located in front of the contact position of the fifth contact portion 142. The second docking portion 251 extends a second inclined portion 252 forward and downward, the length of the second inclined portion 252 is longer than that of the first inclined portion 223, the second inclined portion 252 is injection-molded on the fourth insulation block D and exposed on the surface of the fourth insulation block D, the second grounding portion 245 abuts against the second inclined portion 252, and the abutting portion 243 abuts against the first docking portion 221 between the position where the second grounding portion 245 abuts against the second inclined portion 252 and the position where the first grounding portion 244 abuts against the second docking portion 251. A second fillet 253 extends forward from the second inclined portion 252.

Referring to fig. 6, 7, 8, 10 and 11, when the mating member 200 is inserted into the mating cavity 111 from the front end of the electrical connector 100, the first contact portion 123 and the second contact portion 132 elastically abut against the first mating portion 221 at the outer side of the tongue plate 212, the first contact portion 123 and the first mating portion 221 contact to form a first contact point 124, the second contact portion 132 and the first mating portion 221 contact to form a second contact point 133, the first contact point 124 is located in front of the second contact point 133, and the distance E between the first contact point 124 and the second contact point 133 is 1.6mm to 2.2mm in the front-back direction, and the distance E is preferably set to reduce the signal generated by the area between the first contact point 124 and the rear end of the first conductor 22 on the premise that the distance E is limited and the second contact portion 132 can normally abut against the first conductor 22 The signal radiation. In the front-rear direction, the first contact portion 123 and the second contact portion 132 are located between the abutting portion 243 and the guide portion 242, the abutting portion 243 is located in front of the first contact portion 123 and the second contact portion 132, in this embodiment, the guide portion 242 is located behind the first contact portion 123, and in other embodiments, the guide portion 242 may be located opposite to the first contact portion 123. The third contact portion 172 and the fourth contact portion 162 jointly elastically abut against the signal conductor 23 outside the tongue plate 212. The fifth contact portion 142 and the contact spring 191 are elastically abutted against the second abutting portion 251 at the outer side of the tongue plate 212, the first grounding portion 244 is abutted against the second abutting portion 251 at the inner side of the tongue plate 212, and the first grounding portion 244 is located in front of the fifth contact portion 142.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "width", "vertical", "opposite", "vertical", "inclined", and the like, indicate orientations or positional relationships based on the directions or positional relationships shown in the drawings, are only for convenience of description and simplicity of description, and do not indicate or imply that the device or assembly referred to must have the established orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

In summary, the electrical connector assembly of the present invention has the following advantages:

1. the second terminal 13, the second body portion 131 and the first body portion 121 of the second terminal 13 are stacked in the up-down direction, the second contact portion 132 extends forward from the second body portion 131 and is exposed to the mating cavity 111, the second contact portion 132 and the first contact portion 123 are located on the same side of the mating cavity 111, so that when the mating member 200 is inserted into the mating cavity 111 from the front end of the electrical connector 100, the first contact portion 123 and the second contact portion 132 are both in contact with one side of the first mating portion 221 of the first conductor 22, and the second contact portion 132 is located behind the first contact portion 123, so that the area from the contact point of the second contact portion 132 to the rear end of the first conductor 22 is shorter than the area from the contact point of the first contact portion 123 to the rear end of the first conductor 22, compared with the case where only one contact point is provided, the interference of signal radiation generated from the contact point of the first contact part 123 to the rear end of the first conductor 22 to other signals transmitted by the first terminal 12 and the first conductor 22 around the contact point is reduced, the high-frequency performance of the electrical connector 100 combination is improved, the second conductor 24 is provided with the guide part 242 and the abutting part 243 located in front of the guide part 242, the guide part 242 is in contact with the other side of the first conductor 22, the signal radiation generated from the first contact part 123 to the rear end of the first conductor 22 is further reduced or eliminated, and double guarantee is provided for reducing the signal radiation.

2. The first contact portion 123 is in contact with the first conductor 22 to form the first contact point 124, the second contact portion 132 is in contact with the first conductor 22 to form the second contact point 133, the first contact point 124 is located in front of the second contact point 133, and the distance E between the first contact point 124 and the second contact point 133 in the front-rear direction is 1.6mm to 2.2mm, and the distance E is preferably set to reduce signal radiation generated from the area between the first contact point 124 and the rear end of the first conductor 22, with the limitation of the distance E and the guarantee that the second contact portion 132 can normally abut against the first conductor 22.

3. The first conductor 22 has the rear end portion 222 bent and extended toward the connecting portion 242, the rear end portion 222 abuts against the connecting portion 242 in the tongue plate 212, and the connecting portion 242 is formed by reversely bending, so that the structural stability of the connecting portion 242 is stronger, the connecting portion 242 is more stably contacted with the rear end of the first conductor 22, and the connecting portion 242 is not easily separated from the rear end of the first conductor 22 due to external force.

4. The thickness of the second terminal 13 is smaller than the thickness of the first terminal 12 along the vertical direction, the width of the second terminal 13 is smaller than the width of the first terminal 12 along the left-right direction, because the second terminal 13 is located between the first terminal 12 and the docking cavity 111, when the docking piece 200 is inserted into the docking cavity 111, the docking piece 200 generates a holding force on the second contact portion 132 so that the second contact portion 132 deflects toward the first contact portion 123, and the thickness and the width of the second terminal 13 are smaller than those of the first terminal 12, so that the second contact portion 132 can be prevented from being pressed against the first contact portion 123, and poor contact between the first contact portion 123 and the first conductor 22 can be avoided.

5. The first insulating block a covers the outer sides of the first main body part 121 and the second main body part 131, the first main body part 121 and the second main body part 131 are fixed by the first insulating block a, and then the first insulating block a and the second insulating block a are inserted into the receiving groove 1141 together, so that the first terminal 12 and the second terminal 13 can be more stably fixed in the insulating body 11, the first terminal 12 and the second terminal 13 are not easy to fall off or shake due to unstable fixation, the structural strength of the electrical connector 100 is ensured, and the stable connection of the electrical connector 100 and the butting piece 200 is ensured.

6. The abutting portion 243 extends forward and obliquely toward the first conductor 22, and the abutting portion 243 abuts against a region of the first conductor 22 located behind the first abutting portion 221, so that not only can common mode resonance generated in a region between the front end of the first conductor 22 and the first abutting portion 221 of the first conductor 22 be improved, and high frequency signal transmission of the electrical connector 100 combination be ensured, but also the abutting portion is abutted in the tongue plate 212, so that the volume of the insulating base body 21 is not increased by the arrangement of the abutting portion 243.

7. The third conductor 25 is provided with the second butting portion 251, the second inclined portion 252 is extended forward and downward from the second butting portion 251, the second conductor 24 is provided with the first grounding portion 244 and the second grounding portion 245, the first grounding portion 244 abuts against the second butting portion 251, the second grounding portion 245 abuts against the second inclined portion 252, the position of the resonance generated by the second inclined portion 252 is adjusted to be different from the position of the resonance generated by the first inclined portion 223 because the length of the second inclined portion 252 is greater than the length of the first inclined portion 223, and the first grounding portion 244 and the second grounding portion 245 are arranged in front of the butting portion 243 to better improve the common mode resonance generated by the third conductor 25 and achieve the effect of high frequency transmission.

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 technical changes that can be made by applying the present specification and the drawings are included in the scope of the present invention.

Claims (14)

1. An electrical connector assembly, comprising:

an electrical connector, the electrical connector includes an insulating body, a mating cavity recessed rearward from a front end surface of the insulating body, at least one first terminal, the first terminal comprises a first main body part arranged in the insulating body, a first welding part extending backwards from the first main body part to the insulating body, a first contact part extending forwards from the first main body part and exposing the butting cavity, at least one second terminal, the second terminal comprises a second main body part arranged in the insulating body, the second main body part and the first main body part are stacked up and down, and a second contact part which extends forwards from the second main body part and is exposed to the butting cavity, the second contact part and the first contact part are positioned on the same side of the docking cavity, and the second contact part is positioned behind the first contact part;

the butt joint piece is used for being inserted into the butt joint cavity from the front end of the electric connector along the butt joint direction and comprises at least one first conductor and at least one second conductor, the second conductor is provided with a guide connection part and a butt joint part located in front of the guide connection part, the guide connection part and the butt joint part are both in contact with one side of the first conductor, the other side of the first conductor is exposed in the butt joint cavity and is sequentially in contact with the first contact part and the second contact part along the butt joint direction, the guide connection part is right opposite to the first contact part or located behind the first contact part, and the butt joint part is located in front of the first contact part.

2. The electrical connector assembly of claim 1, wherein: the first contact part is in contact with the first conductor to form a first contact point, the second contact part is in contact with the first conductor to form a second contact point, and the distance between the first contact point and the second contact point along the front-back direction is 1.6mm-2.2 mm.

3. The electrical connector assembly of claim 1, wherein: the butt joint piece comprises an insulating seat body, the insulating seat body is provided with a base part and a tongue plate extending backwards from the base part, the tongue plate is inserted into the butt joint cavity from the front end of the electric connector, one side of the first conductor is exposed on the surface of the tongue plate to abut against the first contact part and the second contact part, the second conductor part is arranged in the tongue plate, and the conducting part is positioned in the tongue plate and abuts against the other side of the first conductor.

4. The electrical connector assembly of claim 3, wherein: and the rear end of the second conductor is reversely bent towards the first conductor to form the connecting part, the first conductor is provided with a rear end part bent and extended towards the connecting part, and the rear end part is abutted against the connecting part in the tongue plate.

5. The electrical connector assembly of claim 3, wherein: the butt joint piece comprises at least one third conductor, the first conductor comprises a first butt joint part exposed on the lower surface of the tongue plate, a first inclined part extends forwards and downwards from the first butt joint part, the third conductor comprises a second butt joint part exposed on the upper surface of the tongue plate, a second inclined part extends forwards and downwards from the second butt joint part, the second conductor is provided with at least one first grounding part and at least one second grounding part, the first grounding part is abutted against the second butt joint part, and the second grounding part is abutted against the second inclined part.

6. The electrical connector assembly of claim 5, wherein: the second inclined portion has a length greater than that of the first inclined portion, and the first and second ground portions are located in front of the abutting portion.

7. The electrical connector assembly of claim 5, wherein: the abutting part extends forwards from the second conductor and bends towards the first conductor, the abutting part abuts against a region, located behind the first abutting part, of the first conductor, and the abutting part abuts against the first conductor in the tongue plate.

8. The electrical connector assembly of claim 1, wherein: the second terminal is located between the first terminal and the first conductor in an up-down direction, and the first contact portion and the second contact portion are aligned in a front-rear direction.

9. The electrical connector assembly of claim 1, wherein: the thickness of the second terminal is smaller than that of the first terminal along the up-down direction, and the width of the second terminal is smaller than that of the first terminal along the left-right direction.

10. The electrical connector assembly of claim 1, wherein: an accommodating groove is formed in the rear end face of the insulating body in a forward concave mode, the first main body portion and the second main body portion are stacked in the vertical direction and are formed in a first insulating block in an injection molding mode, the first welding portion extends backwards to form the first insulating block, the first contact portion and the second contact portion extend forwards to form the first insulating block, and the first insulating block is inserted forwards from the rear portion and is fixed in the accommodating groove.

11. The electrical connector assembly of claim 1, wherein: the butt joint piece comprises an insulating base body, the insulating base body is provided with a base portion and a tongue plate extending backwards from the base portion, the first conductors are provided with a plurality of first conductors, the first conductors are arranged in a row along the left-right direction, the second conductor comprises a main plate portion in a flat plate shape, the main plate portion is provided with one guide connection portion and one butt connection portion corresponding to each first conductor, the butt connection portions extend forwards from the main plate portion and obliquely towards the first conductors, an accommodating groove is concavely arranged backwards from the front end face of the base portion, and the second conductors are inserted into the accommodating groove from front to back to electrically connect the first conductors.

12. The electrical connector assembly of claim 1, wherein: the first terminal with the first conductor is ground terminal and is equipped with a plurality ofly, electric connector is equipped with a plurality of signal terminal, each first terminal and every adjacent two signal terminal sets up along controlling orientation staggered arrangement, the butt joint piece is equipped with a plurality of signal conductor, each first conductor and every adjacent two signal conductor sets up along controlling orientation staggered arrangement, and is a plurality of first terminal one-to-one is with a plurality of first conductor contact, and is a plurality of signal terminal one-to-one is with a plurality of signal conductor contact.

13. The electrical connector assembly of claim 12, wherein: the electric connector corresponds a plurality of the signal terminal is equipped with a plurality of connecting terminals, each connecting terminal includes a third main part and certainly a third contact site that the third main part extends forward, each the signal terminal includes a fourth main part, certainly a fourth contact site that the fourth main part extends forward and certainly a second welding part that the fourth main part extends backward, the third main part with the fourth main part stacks the setting along upper and lower direction, the fourth contact site with the third contact site all expose in the butt joint chamber with the signal conductor contacts.

14. The electrical connector assembly of claim 1, wherein: the first terminal, the second terminal and the first conductor are grounding terminals, a grounding piece is arranged in the insulating body, the second terminal and the grounding piece are respectively positioned on the upper side and the lower side of the first terminal to be in electrical contact with the first terminal, the projections of the second terminal, the first terminal and the grounding piece in the upper and lower directions are all overlapped, the grounding piece is provided with at least one grounding elastic sheet, and the grounding elastic sheet is abutted to the first main body part.

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