TWM585436U - Female connector and transmission piece thereof - Google Patents

Abstract

The present invention discloses a female connector and a transmission sheet thereof. The female connector includes a casing and a plurality of transmission sheets arranged in a stack and inserted in the casing. The transmission sheet includes an insulating frame, a plurality of ground terminals fixed to the insulating frame, and a first shielding member disposed on one side of the insulating frame. Each ground terminal is formed with a plurality of first through holes spaced apart along its length direction, and an interference portion is formed on a hole wall of each first through hole. The first shielding member includes a plurality of first inscribed arms respectively penetrated through the plurality of first perforations, and any one of the first inscribed arms is coupled to the interference portion corresponding to the first perforation.

Description

Female connector and transmission sheet

This creation relates to a connector, and more particularly to a female connector and a transmission sheet thereof.

The transmission sheet used in the existing connector includes an insulating sheet, a plurality of conductive terminals fixed to the insulating sheet, and a shielding sheet disposed on one side of the insulating sheet. However, the shielding sheet of the existing transmission sheet does not contact the ground terminal of the multiple conductive terminals, so the common ground of the existing connector is not good, and the crosstalk resistance is difficult to be further improved.

Therefore, the author believes that the above-mentioned defects can be improved, and with special research and cooperation with the application of scientific principles, he finally proposes a creative design that effectively improves the above-mentioned defects.

The embodiment of the present invention is to provide a female connector and a transmission sheet thereof, which can effectively improve defects that may occur in the transmission sheet of the existing connector.

This creative embodiment discloses a female connector, including: a housing; and a plurality of transmission sheets stacked in a row, and a plurality of the transmission sheets are inserted in the housing; At least one of the transmission sheets includes: an insulating frame; a plurality of ground terminals fixed to the insulating frame, and each of the ground terminals forming a plurality of first through holes spaced apart along its length direction. An interference portion is formed in a hole wall of each of the first perforations; and a first shielding member is disposed on one side of the insulating frame, and the first shielding member includes a plurality of through holes respectively The plurality of first inscribed arms of the first perforation, and any one of the first inscribed arms is engaged with the interference portion corresponding to the first perforation.

This creative embodiment also discloses a transmission piece of a female connector, including: an insulating frame; a plurality of ground terminals fixed to the insulating frame, and each of the ground terminals forming a plurality of spaced-apart spaces along its length. A first perforation, an interference portion is formed in a hole wall of each of the first perforations; and a first shield is provided on one side of the insulating frame, and the first shield includes A plurality of first inscribed arms in a plurality of the first perforations, and any one of the first inscribed arms is coupled to the interference portion corresponding to the first perforations.

In summary, the female connector and the transmission sheet disclosed in this creative embodiment are respectively joined to the interference portions of the multiple ground terminals with the plurality of first internal arms of the first shielding sheet, so that the first The shielding sheet can be electrically connected to each ground terminal stably to improve the common ground and anti-interference ability of the female connector (or transmission sheet).

In order to further understand the characteristics and technical contents of this creation, please refer to the following detailed descriptions and drawings of this creation, but these descriptions and drawings are only used to illustrate this creation, not to make any limitation on the scope of protection of this creation. limit.

Please refer to FIG. 1 to FIG. 10, which are examples of the present invention. It should be explained first that this embodiment corresponds to the related quantities and appearances mentioned in the drawings, and is only used to specifically describe the implementation of this creation. Way to understand the content of this creation, not to limit the scope of protection of this creation.

As shown in FIG. 1, this embodiment discloses a female connector 1, which is, for example, a high-speed (high-frequency) connector applied to a server or a switch, but the present invention is not limited thereto. The female connector 1 can be used to be detachably (in a plugging direction S) plugged into a male connector (not shown). To facilitate the description of this embodiment, the female connector 1 defines a width direction W and a height direction H that are perpendicular to the above-mentioned insertion direction S, and the width direction W and the height direction H are perpendicular to each other.

As shown in FIG. 2, the female connector 1 includes a casing 11 and a plurality of transmission sheets 12 inserted in the casing 11, and the plurality of transmission sheets 12 are along the width direction W in this embodiment. Stacked in a row. It should be noted that although the transmission sheet 12 is matched with the casing 11 in this embodiment, in other embodiments not shown in this creation, the transmission sheet 12 may also be applied alone or in combination with other Component use.

As shown in FIG. 1 and FIG. 2, the casing 11 includes a substantially rectangular parallelepiped insertion portion 111, a positioning plate 112 extending from the top of the insertion portion 111 along the insertion direction S, and a misaligned distribution. A plurality of guide posts 113 are formed on the top surface and the bottom surface of the plug portion 111. Wherein, the mating portion 111 has a plurality of rows of mating terminal holes 1111 formed on the front surface thereof, and each of the rows of mating terminal holes 1111 corresponds in position to a transmission piece 12; that is, each row of mating terminal holes 1111 The arrangement direction is parallel to the height direction H. Wherein, each row of the docking terminal holes 1111 includes a plurality of ground vias 1112 and a plurality of signal vias 1113, and each ground via 1112 is substantially U-shaped and two adjacent signal vias 1113 are disposed therein.

The length direction of each guide post 113 is parallel to the above-mentioned insertion direction S, and the dislocation distribution of the plurality of guide posts 113 refers to any one of the guide posts 113 on the top surface of the plug-in part 11 and the bottom surface. The projection of any one of the guide pillars 113 in the height direction H is a case where they partially overlap or do not overlap at all. To put it another way, as shown in FIG. 2, the two guide pillars 113 located on the top surface of the plug-in portion 111 are located on the top side of the third and sixth rows of docking terminal holes 1111 from left to right, and are located on the plug-in. The guide pillar 113 on the bottom surface of the portion 111 is located on the bottom side of the fourth row of docking terminal holes 1111 from left to right.

Furthermore, one end (or a part) of each guide post 113 protrudes from the above-mentioned plug-in part 111, and the other end of each guide post 113 is connected to the positioning plate 112; each of the guides The post 113 protrudes from the end of the plug-in portion 111 and is formed with a groove 1131 along the plug-in direction S.

As shown in FIG. 2, the plurality of transmission sheets 12 are inserted into the insertion portion 111 of the casing 11 and are fastened to the positioning plate 112 of the casing 11. The structure of the plurality of transmission sheets 12 is implemented in this embodiment. The examples are roughly the same, so in order to facilitate the understanding of this embodiment, the following only introduces the structure of a single transmission sheet 12, and then describes the connection relationship between multiple transmission sheets 12 in a timely manner, but this creation is not limited to this. For example, in other embodiments not shown in the present creation, the female connector 1 may also adopt a plurality of transmission sheets 12 with slightly different structures.

As shown in FIG. 3 to FIG. 5, the transmission sheet 12 in this embodiment includes an insulating frame 121 having a substantially rectangular shape, a plurality of ground terminals 122 and a plurality of signal terminals 123 fixed to the insulating frame 121. And a first shield 124 and a second shield 125 respectively located on opposite sides of the insulating frame 121.

Wherein, the insulating frame 121 includes a front end portion 1211, a rear end portion 1212, a top end portion 1213, and a bottom end portion 1214 that are elongated and distributed around the periphery. The length direction of the front end portion 1211 and the rear end portion 1212 is substantially parallel to the height direction H, the length direction of the top end portion 1213 and the bottom end portion 1214 is substantially parallel to the insertion direction S, and the length direction of the front end portion 1211 is approximately It is perpendicular to the length direction of the bottom end portion 1214.

Further, the front end portion 1211 of the insulating frame 121 is concavely formed with an accommodating groove 1211a, and in this embodiment, the accommodating groove 1211a is an elongated structure parallel to the height direction H for receiving the second Shield member 125. A top end portion 1213 of the insulation frame 121 is fastened to the positioning plate 112, and a bottom end portion 1214 of the insulation frame 121 is fastened to the insertion portion 111. Furthermore, the front end portion 1211 (on the side opposite to the receiving groove 1211a) is provided with a plurality of rivet posts 1211b along its length direction (that is, the above-mentioned height direction H), and the plurality of rivet posts 1211b pass through The first shielding member 124 is set and fixed to resist the force generated by the female connector 1 on the first shielding member 124 during the plugging process, thereby preventing the first shielding member 124 from being bent.

As shown in FIG. 5 to FIG. 8, the plurality of ground terminals 122 and the plurality of signal terminals 123 are staggered, and any two adjacent signal terminals 123 can be used together to transmit a differential signal to form a differential signal. The terminal pair is provided with two ground terminals 122 between two adjacent differential signal terminal pairs. Wherein, each ground terminal 122 is an integrally formed one-piece structure, and includes a middle ground section 1221 fixed to the insulating frame 121, and the front end portion 1211 extends from one end (substantially vertically) of the middle ground section 1221. A front grounding segment 1222 of the rear end and a rear grounding segment 1223 extending from the other end of the middle grounding segment 1221 (substantially perpendicularly) to the bottom end portion 1214.

Furthermore, each signal terminal 123 is a one-piece structure integrally formed, and includes a middle signal segment 1231 fixed to the insulation frame 121 and extends from one end (substantially perpendicularly) of the middle signal segment 1231. A front signal segment 1232 of the front end portion 1211 and a rear signal segment 1233 of the bottom end portion 1214 extend from the other end of the middle signal segment 1231 (substantially vertically).

In more detail, the plurality of ground terminals 122 and the plurality of signal terminals 123 are staggered; that is, two of the ground terminals 122 are provided between two adjacent signal terminals 123, and each Each of the ground terminals 122 includes a contact portion 1222a in the front ground section 1222, but the creation is not limited to this. For example, in other embodiments not shown in the present creation, the transmission sheet 12 may be at least one of the ground terminals 122 including two contact portions 1222a spaced apart from each other.

Moreover, each of the contact portions 1222a has a cantilever structure in this embodiment, and when the female connector 1 and the male connector (not shown) are plugged into each other, each contact portion 1222a can be stressed. And elastically displaced (eg, the contact portion 1222a in FIG. 3 is elastically displaced along the width direction W and toward the right side).

In addition, the front ground segment 1222 of each ground terminal 122 protrudes from the front signal segment 1232 of any signal terminal 123, so that when the female connector 1 and the male connector (not shown) are plugged into each other, The front ground segment 1222 can be connected in common with the male connector to avoid a short circuit; and the direction in which each of the contact portions 1222a is displaced by force (eg, along the width direction W and toward the right side in FIG. 3) is parallel The direction in which the front signal segment 1232 of each of the signal terminals 123 is displaced by a force.

In addition, each ground terminal 122 is formed with a plurality of first through-holes 1221a and a second through-hole 1221b spaced apart along its length direction, and the plurality of first through-holes 1221a of each of the ground terminals 122 are located in this embodiment. Middle ground section 1221. In each of the ground terminals 122, a position corresponding to the middle ground section 1221 of the front end portion 1211 is formed with one of the first through holes 1221a and the second through holes 1221b.

An interference portion 1221c is formed in a hole wall of each of the first perforations 1221a, and the interference portion 1221c is described in this embodiment by including two protrusions 1221c facing each other (eg, FIG. 8), And the two protrusions 1221c are located at the center of the hole wall. That is, the shape of the hole wall of the first perforation 1221a is approximately a doggy bone in this embodiment, but the present invention is not limited to this.

As shown in FIG. 3 to FIG. 7, in this embodiment, the first shield 124 and the second shield 125 are each a single-piece structure formed by integrally punching and bending a metal sheet, and the above-mentioned first shield The size of 124 is larger than that of the second shield 125. The first shielding member 124 includes a middle ground plate 1241, a front ground plate 1242 extending from a leading edge of the middle ground plate 1241, and a plurality of first inner portions extending in a bent manner from the middle ground plate 1241. The connecting arm 1243 and a plurality of first external arms 1244 extend in a bent manner from the front ground plate 1242.

Further, the middle ground plate 1241 and the front ground plate 1242 are each formed with a plurality of openings 1241a, 1242a, and the plurality of first inner connecting arms 1243 are respectively formed by the edges of the middle ground plate 1241 and the plurality of edges. The inner wall of the opening 1241a extends substantially vertically, and the first external arm 1244 is formed by extending the inner walls of the plurality of openings 1242a of the front floor 1242, respectively.

The middle ground plate 1241 of the first shielding member 124 is disposed on one side surface of the insulating frame 121, and the front ground plate 1242 extends from the edge of the front end portion 1211 of the insulating frame 121 in the insertion direction S, and the first shielding member 124 passes through a middle ground section 1221 fixed to each ground terminal 122. In this embodiment, the first shielding member 124 is formed by a plurality of first internal connecting arms 1243 passing through a plurality of first through holes 1221 a fixed to the ground terminals 122. The arm 1243 is coupled to the interference portion 1221c corresponding to the first through hole 1221a, so that the first shield 124 can be electrically connected to each ground terminal 122.

Wherein, in any one of the first inscribed arms 1243 and the corresponding first through hole 1221a, the distance between the two protrusions 1221c is smaller than a thickness of the first inscribed arm 1243, and two of the two The protrusion 1221c clamps the first internal connection arm 1243, so that the first internal connection arm 1243 and the first shield 124 are firmly connected.

It should be added that, in order to adjust the proportion of the ground terminal 122 exposed to the air to facilitate the transmission of high-frequency signals, some of the plurality of first internal arms 1243 are passed through The insulating frame 121 is inserted into the corresponding first through hole 1221a.

Furthermore, the middle signal segment 1231 of each signal terminal 123 faces a projection area formed by the orthographic projection of the first shield 124, which is located inside the outer contour of the first shield 124 (eg, the middle ground piece 1241). Outside contour inside). The contact portion 1222a of any one of the ground terminals 122 faces a projection area formed by the first projection of the first shield 124 and is located in all the openings 1242a of the front ground plate 1242.

In addition, in this embodiment, the first shielding member 124 and the insulating frame 121 are passed through the plurality of rivet posts 1211b and fixed to the middle ground piece 1241, so that the first shielding member 124 can be stably disposed. The insulating frame 121 prevents the first shield 124 from being bent. Wherein, the position where each rivet post 1211b is penetrated and fixed on the middle ground piece 1241 is preferably located between two adjacent openings 1241a arranged along the insertion direction S and adjacent to the front ground piece 1242. But this creation is not limited to this.

As shown in FIG. 4 to FIG. 7, the second shielding member 125 includes a plate body 1251, a plurality of second internal connecting arms 1252 bent and extending from the plate body 1251, and a plate bent from the plate body 1251. The plurality of second external arms 1253 extend. In this embodiment, the plate body 1251 is substantially rectangular and is formed with a plurality of openings 1251a, and the plate body 1251 includes two long edges on the opposite side and two short edges on the opposite side, either of which is short. The edge is perpendicular to any long edge. The plurality of second inner connecting arms 1252 are respectively formed to extend substantially perpendicularly from the inner walls of the plurality of openings 1251a, and the plurality of second outer connecting arms 1253 extend from one long edge of the plate body 1251 toward the other. The direction of the edge (curvedly) is formed, and the length of each second circumscribed arm 1253 is preferably greater than 1/3 of the length of any short edge. Further, one opening 1251a is provided between two projection areas formed by any two adjacent second external arms 1253 orthographically projecting toward the plate body 1251.

It should be added that any second external arm 1253 of the second shield 125 corresponds to two adjacent signal terminals 123 in a normal direction of the plate body 1251. That is, each opening 1251a in this embodiment corresponds to two adjacent ground terminals 122 in the normal direction of the plate body 1251.

The second shielding member 125 is located at the front end portion 1211 of the insulating frame 121, and the second shielding member 125 is passed through and fixed to the middle ground section 1221 of each ground terminal 122. Wherein, the second shielding member 125 is located in the receiving groove 1211a of the front end portion 1211 in this embodiment, and the second shielding member 125 passes through the plurality of ground terminals 122 through the plurality of second internal connecting arms 1252, respectively. The second through hole 1221b is fastened to the insulating frame 121.

In more detail, in the second shield 125 of this embodiment, each of the second internal connecting arms 1252 includes a span portion 1252a and an end portion 1252b extending from the board 1251 in sequence. The portion 1252a is penetrated in the corresponding second through hole 1221b, and each end portion 1252b is fastened to the insulating frame 121, so that each end portion 1252b and the plate body 1251 are located on opposite sides of the corresponding ground terminal 122, respectively. side. In addition, each of the above-mentioned end portions 1252b is preferably disposed in a plane with the middle ground plate 1241 (eg, FIG. 9), so as to avoid interference with the adjacent transmission plate 12.

Wherein, each of the second inner connecting arms 1252 is formed with at least one convex rib 1252c on its cross section 1252a (the cross section 1252a of this embodiment is formed with one convex rib 1252c on the opposite two surfaces), and each of the first The protruding ribs 1252c of the two inner connecting arms 1252 are engaged with a hole wall corresponding to the second through hole 1221b, so that the second shield 125 can be electrically connected to each ground terminal 122. That is, the first shield 124 and the second shield 125 can be electrically connected to each other through the plurality of ground terminals 122.

It should be added that the positions of the plurality of rivet columns 1211b can also be defined by a plurality of second internal connecting arms 1252. For example, the positions of the plurality of rivet columns 1211b passing through and fixed to the middle ground piece 1241 are preferably located in multiple The side of the second inscribed arm 1252 away from the front ground 1242 (as shown in FIG. 5: the left side of the plurality of second inscribed arms 1252).

In addition, the front ground segments 1222 of the plurality of ground terminals 122 of the transmission sheet 12 and the front signal segments 1232 of the plurality of signal terminals 123 are inserted into the insertion portion 111 of the housing 11, and the first shield 124 The front ground plate 1242 is located in the plug-in portion 111, and at least 80% of the second shielding member 125 and its corresponding other component parts are located in the plug-in portion 111. Wherein, the positions of the contact portions 1222a of the plurality of ground terminals 122 and the plurality of first external arms 1244 of the first shield 124 in the transmission sheet 12 and the corresponding mating terminal hole 1111 of the row are substantially corresponding to The plurality of ground vias 1112 and the positions of the front signal segments 1232 of the plurality of signal terminals 123 substantially correspond to the plurality of signal vias 1113.

The above is a description of the structure of a single transmission sheet 12 in this embodiment, and the following describes the connection relationship between a plurality of transmission sheets 12. As shown in FIG. 9 and FIG. 10, in any two adjacent transmission sheets 12, one of the second shielding members 125 of the transmission sheet 12 (the plurality of second external arms 1253 is elastically) abuts against and is electrically conductive. The first shield 124 connected to another transmission sheet 12 is used to electrically connect the first shield 124, the second shield 125, and the plurality of ground terminals 122 in the two adjacent transmission sheets 12 to each other. The two terminals are connected together in common, which effectively improves the crosstalk resistance of the female connector 1.

[Technical effects of this creative embodiment]

In summary, the female connector and the transmission sheet disclosed in this creative embodiment are respectively joined to the interference portions of the multiple ground terminals with the plurality of first internal arms of the first shielding sheet, so that the first The shielding sheet can be electrically connected to each ground terminal stably to improve the common ground and anti-interference ability of the female connector (or transmission sheet).

Furthermore, the female connector disclosed in this creative embodiment electrically connects the first shield and the second shield in each transmission piece to a plurality of ground terminals, and passes any one of the transmission pieces. The second shielding member is pressed against and electrically connected to the first shielding member of the other transmission sheet, so that the first shielding member, the second shielding member, and the plurality of transmission pieces in the plurality of transmission sheets in the female connector are connected. The ground terminals can be electrically connected to each other and share a common ground, thereby effectively improving the crosstalk resistance of the female connector.

The content disclosed above is only the preferred and feasible embodiment of the creation, and therefore does not limit the scope of the patent for the creation. Therefore, any equivalent technical changes made using the description and the contents of the drawings are included in the scope of the patent for the creation. Inside.

1‧‧‧female connector

11‧‧‧shell

111‧‧‧Socket

1111‧‧‧ Butt terminal hole

1112‧‧‧Ground

1113‧‧‧Signal Perforation

112‧‧‧ Positioning plate

113‧‧‧Guide Post

1131‧‧‧Groove

12‧‧‧Transfer

121‧‧‧ Insulated Frame

1211‧‧‧Front end

1211a‧‧‧Receiving slot

1211b‧‧‧Riveting Post

1212‧‧‧ rear

1213‧‧‧Top

1214‧‧‧Bottom

122‧‧‧ ground terminal

1221‧‧‧Medium ground section

1221a‧‧‧First perforation

1221b‧‧‧Second perforation

1221c‧‧‧Interference (protrusion)

1222‧‧‧ Front Ground Section

1222a‧‧‧Contact

1223‧‧‧ rear ground

123‧‧‧Signal terminal

1231‧‧‧medium signal section

1232‧‧‧ before signal segment

After 1233‧‧‧ signal segment

124‧‧‧First Shield

1241‧‧‧Middle land

1241a‧‧‧Opening

1242‧‧‧ Front Site

1242a‧‧‧Opening

1243‧‧‧First inner arm

1244‧‧‧First external arm

125‧‧‧Second Shield

1251‧‧‧Board

1251a‧‧‧Opening

1252‧‧‧Second Inner Arm

1252a‧‧‧Across

1252b‧‧‧End

1252c‧‧‧ rib

1253‧‧‧Second External Arm

S‧‧‧plug direction

W‧‧‧Width direction

H‧‧‧ height direction

FIG. 1 is a schematic perspective view of a creative female connector.

FIG. 2 is an exploded view of FIG. 1.

FIG. 3 is an exploded view of the transmission piece of the creative female connector.

FIG. 4 is an exploded view of FIG. 3 from another perspective.

FIG. 5 is a schematic plan view of a transmission piece of the creative female connector.

FIG. 6 is an enlarged schematic view of a VI portion in FIG. 5.

FIG. 7 is a schematic plan view of another aspect of the transmission piece of the creative female connector.

FIG. 8 is an enlarged schematic view of a portion VIII in FIG. 7.

FIG. 9 is a schematic cross-sectional view taken along line IX-IX of FIG. 1.

Fig. 10 is a schematic cross-sectional view taken along the line X-X in Fig. 1.

Claims (11)

A transmission sheet for a female connector includes: an insulating frame; a plurality of ground terminals fixed to the insulating frame, and each of the ground terminals forming a plurality of first through holes spaced apart along its length direction, each An interference portion is formed in a hole wall of each of the first perforations; and a first shielding member is disposed on one side of the insulating frame, and the first shielding member includes a plurality of through-holes respectively passed through the plurality of A plurality of first inscribed arms of a perforation, and any one of the first inscribed arms is engaged with the interference portion corresponding to the first perforation. The transmission piece of the female connector according to claim 1, wherein a part of the plurality of first internal connecting arms is inserted into the corresponding one by passing through the insulating frame. The first perforation. The transmission piece of the female connector according to claim 1, wherein, in any one of the first internal arm and the corresponding first through hole, the interference portion includes two protrusions facing each other. Since the two protrusions are located at the center of the hole wall, and the distance between the two protrusions is smaller than a thickness of the first inscribed arm, the two protrusions clamp the First inscribed arm. The transmission sheet of the female connector according to claim 1, wherein the insulating frame includes an elongated front end portion and an elongated bottom end portion, and a length direction of the front end portion is perpendicular to A length direction of the bottom end portion, a plurality of rivet posts are provided along the length direction of the front end portion, and a plurality of the rivet posts are passed through and fixed to the first shield. The transmission sheet of the female connector according to claim 1, wherein the transmission sheet further includes a second shielding member; the first shielding member and the second shielding member are located opposite to the insulating frame, respectively. On both sides, each of the ground terminals is formed with a second perforation, the second shield includes a plurality of second internal connecting arms, and the plurality of the second internal connecting arms of the second shield respectively pass through. The plurality of ground terminals are fastened to the insulating frame through the second through holes. The transmission piece of the female connector according to claim 5, wherein the first shielding member includes a middle ground piece, and a plurality of the first inner connecting arms are formed by bending and extending from the middle ground piece. , At least one of the second inner connecting arms of the second shielding sheet includes a cross section passing through corresponding to the second perforation and a terminal part fastened to the insulating frame, the terminal The part is arranged in a plane with the middle ground piece. The transmission piece of the female connector according to claim 6, wherein at least one of the second inner connecting arms is formed with at least one rib on the cross section, and at least one of the ribs is engaged with the phase. A hole wall corresponding to the second hole. The transmission sheet of the female connector according to claim 5, wherein the insulating frame includes an elongated front end portion and an elongated bottom end portion, and a length direction of the front end portion is perpendicular to In a length direction of the bottom end portion, the first shield includes a middle ground piece, and a plurality of the first inward arms are formed by bending and extending from the middle ground piece, and the second shield The front end portion of the insulating frame is provided with a plurality of rivet posts along the length direction thereof, and the plurality of rivet posts are passed through and fixed to the middle ground piece. The transmission piece of the female connector according to claim 8, wherein the first shielding member includes a front ground piece extending from the middle ground piece, and a plurality of the rivets are passed through and fixed to The position of the middle ground piece is located on a side of the plurality of second inscribed arms away from the front ground piece. The transmission piece of the female connector according to claim 5, wherein the first shield and the second shield are each electrically connected to a plurality of the ground terminals, so that the first shield And the second shield can be electrically connected to each other through a plurality of the ground terminals. A female connector includes: a housing; and a plurality of transmission sheets stacked in a row, and a plurality of the transmission sheets are inserted in the housing; wherein at least one of the plurality of transmission sheets One of the transmission sheets includes: an insulating frame; a plurality of ground terminals fixed to the insulating frame, and each of the ground terminals forming a plurality of first through holes spaced apart along its length direction, each of the An interference portion is formed in a hole wall of the first perforation; and a first shielding member is disposed on one side of the insulating frame, and the first shielding member includes a plurality of through-holes respectively penetrated through the first perforations. A plurality of first inscribed arms, and any one of the first inscribed arms is coupled to the interference portion corresponding to the first perforation.