Female end connector and transmission piece
阅读说明:本技术 母端连接器及传输片 (Female end connector and transmission piece ) 是由 陈志伟 包中南 杨岳霖 林钰雄 吴凯 林彦伯 于 2019-03-05 设计创作,主要内容包括:本发明公开一种母端连接器及传输片,母端连接器包含壳体及插设于壳体的多个传输片。每个传输片包含绝缘框架、固定于绝缘框架的多个接地端子、及分别位于绝缘框架相反两侧的第一屏蔽件与第二屏蔽件。在每个传输片中,所述第二屏蔽件位于绝缘框架的前端部,并且第一屏蔽件与第二屏蔽件各电性连接于多个接地端子,据以通过上述多个接地端子而彼此电性连接。在任意两个相邻的传输片中,其中一个传输片的第二屏蔽件顶抵并电性连接于另一个传输片的第一屏蔽件。据此,母端连接器内的多个传输片中的第一屏蔽件、第二屏蔽件、及多个接地端子能够彼此电性连接而共地,进而有效地提升所述母端连接器的抗串扰能力。(The invention discloses a female end connector and a transmission piece. Each transmission sheet comprises an insulating frame, a plurality of grounding terminals fixed on the insulating frame, and a first shielding piece and a second shielding piece which are respectively positioned at two opposite sides of the insulating frame. In each transmission sheet, the second shielding part is located at the front end part of the insulating frame, and the first shielding part and the second shielding part are respectively electrically connected to the plurality of grounding terminals so as to be electrically connected with each other through the plurality of grounding terminals. In any two adjacent transmission sheets, the second shielding part of one transmission sheet abuts against and is electrically connected with the first shielding part of the other transmission sheet. Therefore, the first shielding piece, the second shielding piece and the grounding terminals in the plurality of transmission sheets in the female end connector can be electrically connected with each other to be grounded, and the crosstalk resistance of the female end connector is further effectively improved.)
1. A female end connector, comprising:
a housing; and
a plurality of transmission sheets stacked in a row and inserted into the housing; wherein each of the transmission sheets comprises:
an insulating frame including an elongated front end and an elongated bottom end, a length direction of the front end being perpendicular to a length direction of the bottom end;
a plurality of ground terminals fixed to the insulating frame; and
a first shield and a second shield respectively located on opposite sides of the insulating frame, and the second shield is located at the front end of the insulating frame; the first shielding part and the second shielding part are respectively electrically connected with the plurality of grounding terminals, so that the first shielding part and the second shielding part can be electrically connected with each other through the plurality of grounding terminals;
in any two adjacent transmission sheets, the second shielding part of one of the transmission sheets abuts against and is electrically connected with the first shielding part of the other transmission sheet.
2. The female connector according to claim 1, wherein in each of said transmission plates, each of said ground terminals comprises a middle ground section fixed to said insulating frame, a front ground section extending from one end of said middle ground section to said front end portion, and a rear ground section extending from the other end of said middle ground section to said bottom end portion, and said first shield and said second shield are each inserted through said middle ground section fixed to each of said ground terminals.
3. The female connector according to claim 1, wherein each of said transmission pieces comprises a plurality of signal terminals; in each transmission piece, any two adjacent signal terminals are used for differential signal transmission, at least one grounding terminal is arranged between every two adjacent signal terminals, each signal terminal comprises an intermediate signal section fixed on the insulating frame, a front signal section extending out of the front end part from one end of the intermediate signal section, and a rear signal section extending out of the bottom end part from the other end of the intermediate signal section, and a projection area formed by orthographic projection of the intermediate signal section of each signal terminal towards the first shielding part is positioned on the inner side of the outer contour of the first shielding part.
4. The female connector according to claim 1, wherein in each of said transmission plates, said insulating frame is formed with a receiving groove recessed in said front end portion, and said second shield is located in said receiving groove.
5. The female connector according to claim 1, wherein in each of said transmission plates, said second shielding member comprises a plate body, a plurality of inner arms curvedly extending from said plate body, and a plurality of outer arms curvedly extending from said plate body, and said inner arms are respectively penetratingly fixed to said ground terminals.
6. The female connector according to claim 5, wherein in any two adjacent said transmission plates, a plurality of said circumscribing arms of said second shield of one of said transmission plates resiliently abut said first shield of the other of said transmission plates.
7. The female connector as claimed in claim 5, wherein each of said arms includes a neck portion and a head portion extending from said plate in sequence, each of said head portions extending through and being secured to a corresponding one of said ground terminals, such that each of said head portions and said plate are respectively located on opposite sides of a corresponding one of said ground terminals.
8. The female end connector of claim 5 wherein in each of said transfer plates said plate includes two long edges on opposite sides and two short edges on opposite sides and any one of said short edges is perpendicular to any one of said long edges, a plurality of said circumscribing arms are defined by said one of said long edges of said plate extending in a direction toward the other of said long edges, and each of said circumscribing arms has a length greater than 1/3 of the length of any one of said short edges.
9. The female connector according to claim 5, wherein each of said transmission pieces comprises a plurality of signal terminals; in each of the transmission sheets, at least one of the ground terminals is disposed between every two adjacent signal terminals, and any one of the external arms corresponds to two adjacent signal terminals in a normal direction of the board body.
10. The female connector according to claim 1, wherein in each of said transmission plates, said first shield includes a plurality of inner arms respectively fixed to said plurality of ground terminals, and a portion of said inner arms of said plurality of inner arms is inserted into said corresponding ground terminal by passing through said insulating frame.
11. The female connector of claim 1, wherein said housing comprises:
the transmission pieces are inserted into the insertion part, and at least 80% of each second shielding piece is positioned in the insertion part;
a positioning plate formed by extending from the insertion part, wherein each insulating frame is buckled with the positioning plate; and
the two guide columns are formed on the top surface and the bottom surface of the insertion part in a staggered distribution mode, and each guide column partially protrudes out of the insertion part.
12. A transport sheet, comprising:
an insulating frame including an elongated front end and an elongated bottom end, a length direction of the front end being perpendicular to a length direction of the bottom end;
a plurality of ground terminals fixed to the insulating frame; and
a first shield and a second shield respectively located on opposite sides of the insulating frame, and the second shield is located at the front end of the insulating frame; the first shielding part and the second shielding part are respectively electrically connected with the plurality of grounding terminals, so that the first shielding part and the second shielding part can be electrically connected with each other through the plurality of grounding terminals;
when the two transmission sheets are stacked, the second shielding member of one of the transmission sheets abuts against and is electrically connected to the first shielding member of the other transmission sheet.
13. The transmission patch according to claim 12, wherein each of the ground terminals includes a middle ground section fixed to the insulating frame, a front ground section extending from one end of the middle ground section to the front end portion, and a rear ground section extending from the other end of the middle ground section to the bottom end portion, and the first shield and the second shield are respectively fixed to the middle ground section of each of the ground terminals.
14. The transmission sheet according to claim 12, wherein the transmission sheet comprises a plurality of signal terminals, any two adjacent signal terminals are used for differential signal transmission, and at least one ground terminal is disposed between every two adjacent signal terminals, each signal terminal comprises a middle signal section fixed to the insulating frame, a front signal section extending from one end of the middle signal section to the front end portion, and a rear signal section extending from the other end of the middle signal section to the bottom end portion, and a projection area formed by orthographic projection of the middle signal section of each signal terminal towards the first shielding member is located inside an outer contour of the first shielding member; the insulating frame is provided with a containing groove in a concave mode at the front end portion, and the second shielding piece is located in the containing groove.
15. The transmission sheet of claim 12, wherein the second shielding member comprises a plate body, a plurality of inner arms extending from the plate body in a bending manner, and a plurality of outer arms extending from the plate body in a bending manner, and the plurality of inner arms are respectively fixed to the plurality of ground terminals in a penetrating manner; when the two transmission pieces are stacked, the plurality of external connection arms of the second shielding piece of one of the transmission pieces elastically abut against the first shielding piece of the other transmission piece.
16. The transfer sheet of claim 15, wherein the plate body is formed with a plurality of openings, and a plurality of the inner arms are respectively formed to extend perpendicularly from inner walls of the plurality of openings, a plurality of the outer arms are formed to extend curvedly from one long edge of the plate body, and one of the openings is provided between two projection areas formed by orthographic projections of any two adjacent outer arms toward the plate body.
17. The wafer of claim 16, wherein at least one of said plurality of openings corresponds to at least one of said plurality of ground terminals in a direction normal to said plate.
Technical Field
The present disclosure relates to connectors, and particularly to a female connector and a transmission plate.
Background
The transmission sheet adopted by the existing high-speed connector comprises an insulation sheet, a plurality of conductive terminals fixed on the insulation sheet and a shielding sheet arranged on one side of the insulation sheet; that is, the conventional transmission plate is provided with only a single shield plate, and the shield plate is not in contact with the ground terminal among the plurality of conductive terminals, so that the conventional high-speed connector has poor common grounding property and is difficult to further improve the crosstalk resistance.
The present inventors have considered that the above-mentioned defects can be improved, and as a result, they have made intensive studies and have conducted scientific principles to provide the present invention which is designed reasonably and effectively to improve the above-mentioned defects.
Disclosure of Invention
The embodiment of the invention provides a female terminal connector and a transmission sheet, which can effectively overcome the defects possibly generated by the conventional transmission sheet.
The embodiment of the invention discloses a female end connector, which comprises: a housing; a plurality of transmission sheets stacked in a row and inserted into the housing; wherein each of the transmission sheets comprises: an insulating frame including an elongated front end and an elongated bottom end, a length direction of the front end being perpendicular to a length direction of the bottom end; a plurality of ground terminals fixed to the insulating frame; a first shield and a second shield respectively located on opposite sides of the insulating frame, and the second shield is located at the front end of the insulating frame; the first shielding part and the second shielding part are respectively electrically connected with the plurality of grounding terminals, so that the first shielding part and the second shielding part can be electrically connected with each other through the plurality of grounding terminals; in any two adjacent transmission sheets, the second shielding part of one of the transmission sheets abuts against and is electrically connected with the first shielding part of the other transmission sheet.
Preferably, in each of the transmission plates, each of the ground terminals includes a middle ground section fixed to the insulating frame, a front ground section extending from one end of the middle ground section to the front end portion, and a rear ground section extending from the other end of the middle ground section to the bottom end portion, and the first shield and the second shield are respectively fixed to the middle ground section of each of the ground terminals in a penetrating manner.
Preferably, each of the transmission sheets includes a plurality of signal terminals; in each transmission piece, any two adjacent signal terminals are used for differential signal transmission, at least one grounding terminal is arranged between every two adjacent signal terminals, each signal terminal comprises an intermediate signal section fixed on the insulating frame, a front signal section extending out of the front end part from one end of the intermediate signal section, and a rear signal section extending out of the bottom end part from the other end of the intermediate signal section, and a projection area formed by orthographic projection of the intermediate signal section of each signal terminal towards the first shielding part is positioned on the inner side of the outer contour of the first shielding part.
Preferably, in each of the transmission sheets, a receiving groove is formed in the insulating frame in a concave manner at the front end portion, and the second shielding member is located in the receiving groove.
Preferably, in each of the transmission sheets, the second shielding member includes a plate body, a plurality of inner arms extending from the plate body in a bent manner, and a plurality of outer arms extending from the plate body in a bent manner, and the plurality of inner arms are respectively inserted and fixed to the plurality of ground terminals.
Preferably, in any two adjacent transmission sheets, the plurality of external connection arms of the second shielding element of one of the transmission sheets elastically abuts against the first shielding element of the other transmission sheet.
Preferably, each of the inner connecting arms includes a neck portion and a head portion extending from the board body in sequence, and each of the head portions penetrates through and is fixed to the corresponding ground terminal, so that each of the head portions and the board body are respectively located at two opposite sides of the corresponding ground terminal.
Preferably, in each of the transmission pieces, the plate body includes two long edges on opposite sides and two short edges on opposite sides, and any one of the short edges is perpendicular to any one of the long edges, a plurality of the extension arms are formed by extending one of the long edges of the plate body toward the other one of the long edges, and the length of each of the extension arms is greater than 1/3 of the length of any one of the short edges.
Preferably, each of the transmission sheets includes a plurality of signal terminals; in each of the transmission sheets, at least one of the ground terminals is provided between every two adjacent signal terminals, and any one of the external arms corresponds to two adjacent signal terminals on a normal line method of the board body.
Preferably, in each of the transmission sheets, the first shielding member includes a plurality of inner arms respectively fixed to the plurality of ground terminals in a penetrating manner, and a part of the inner arms of the plurality of inner arms is inserted into the corresponding ground terminal by penetrating through the insulating frame.
Preferably, the housing comprises: the transmission pieces are inserted into the insertion part, and at least 80% of each second shielding piece is positioned in the insertion part; a positioning plate formed by extending from the insertion part, wherein each insulating frame is buckled with the positioning plate; the two guide columns are formed on the top surface and the bottom surface of the insertion part in a staggered distribution mode, and each guide column partially protrudes out of the insertion part.
The embodiment of the invention also discloses a transmission piece, which comprises: an insulating frame including an elongated front end and an elongated bottom end, a length direction of the front end being perpendicular to a length direction of the bottom end; a plurality of ground terminals fixed to the insulating frame; a first shield and a second shield respectively located on opposite sides of the insulating frame, and the second shield is located at the front end of the insulating frame; the first shielding part and the second shielding part are respectively electrically connected with the plurality of grounding terminals, so that the first shielding part and the second shielding part can be electrically connected with each other through the plurality of grounding terminals; when the two transmission sheets are stacked, the second shielding member of one of the transmission sheets abuts against and is electrically connected to the first shielding member of the other transmission sheet.
Preferably, each of the ground terminals includes a middle ground segment fixed to the insulating frame, a front ground segment extending from one end of the middle ground segment to the front end portion, and a rear ground segment extending from the other end of the middle ground segment to the bottom end portion, and the first shielding member and the second shielding member are respectively fixed to the middle ground segment of each of the ground terminals in a penetrating manner.
Preferably, the transmission sheet includes a plurality of signal terminals, any two adjacent signal terminals are used for differential signal transmission, at least one ground terminal is disposed between every two adjacent signal terminals, each signal terminal includes a middle signal section fixed to the insulating frame, a front signal section extending from one end of the middle signal section to the front end portion, and a rear signal section extending from the other end of the middle signal section to the bottom end portion, and a projection area formed by orthographic projection of the middle signal section of each signal terminal toward the first shielding member is located inside an outer contour of the first shielding member; the insulating frame is provided with a containing groove in a concave mode at the front end portion, and the second shielding piece is located in the containing groove.
Preferably, the second shielding element includes a plate body, a plurality of inner arms extending from the plate body in a bending manner, and a plurality of outer arms extending from the plate body in a bending manner, and the plurality of inner arms are respectively fixed to the plurality of ground terminals in a penetrating manner; when the two transmission pieces are stacked, the plurality of external connection arms of the second shielding piece of one of the transmission pieces elastically abut against the first shielding piece of the other transmission piece.
Preferably, the plate body is formed with a plurality of openings, and a plurality of the inner connecting arms are respectively formed by extending perpendicularly from inner walls of the plurality of openings, a plurality of the outer connecting arms are formed by extending in a bending manner from one long edge of the plate body, and one opening is provided between two projection areas formed by orthographically projecting any two adjacent outer connecting arms toward the plate body.
Preferably, at least one of the plurality of openings corresponds to at least one of the plurality of ground terminals in a normal direction of the board body.
In summary, in the female terminal connector disclosed in the embodiments of the present invention, the first shielding element and the second shielding element in each transmission plate are electrically connected to the plurality of ground terminals, and the second shielding element of any one of the transmission plates abuts against and is electrically connected to the first shielding element of another one of the transmission plates, so that the first shielding element, the second shielding element, and the plurality of ground terminals in the plurality of transmission plates in the female terminal connector can be electrically connected to each other and are grounded, thereby effectively improving the crosstalk resistance of the female terminal connector.
For a better understanding of the nature and technical content of the present invention, reference should be made to the following detailed description of the invention and the accompanying drawings, which are provided for illustration purposes only and are not intended to limit the scope of the invention in any way.
Drawings
Fig. 1 is a perspective view of an electrical connector assembly according to a first embodiment of the invention.
Fig. 2 is an exploded view of fig. 1.
Fig. 3 is an exploded view of a female end connector according to a first embodiment of the invention.
Fig. 4 is a schematic plan view of a transmission sheet according to a first embodiment of the invention.
Fig. 5 is a schematic plan view of fig. 4 from another view angle.
Fig. 6 is an exploded view of a transmission sheet according to a first embodiment of the invention.
Fig. 7 is an exploded view of fig. 6 from another perspective.
FIG. 8 is a schematic cross-sectional view of FIG. 1 taken along section lines VIII-VIII.
Fig. 9 is a schematic cross-sectional view of fig. 1 along the cross-sectional line IX-IX.
Fig. 10 is a schematic cross-sectional view of fig. 1 along the cross-sectional line X-X.
Fig. 11 is an exploded view of the male connector according to the first embodiment of the invention.
FIG. 12 is a schematic cross-sectional view of FIG. 1 taken along section line XII-XII.
Fig. 13 is a perspective view of a transfer sheet according to a second embodiment of the present invention.
Fig. 14 is a partial cross-sectional view of an electrical connector assembly according to a second embodiment of the invention.
Fig. 15 is a schematic perspective view of a male end connector according to a third embodiment of the invention.
Fig. 16 is a schematic perspective view of a male connector according to a fourth embodiment of the invention.
Fig. 17 is a perspective view of a ground terminal and a signal terminal of another transmission sheet of the female connector according to the first embodiment of the invention.
Detailed Description
Please refer to fig. 1 to 17, which are exemplary embodiments of the present invention, and it should be noted that, in the embodiments, the related numbers and shapes mentioned in the accompanying drawings are only used for describing the embodiments of the present invention in detail, so as to facilitate the understanding of the contents of the present invention, and not for limiting the scope of the present invention.
[ example one ]
Please refer to fig. 1 to 12 and fig. 17, which illustrate a first embodiment of the present invention. The present embodiment discloses an
It should be noted that the female
As shown in fig. 3, the
The
The length direction of each guiding
In addition, one end (or part) of each guiding
As shown in fig. 3, the plurality of
As shown in fig. 3, the
The
Further, the insulating
As shown in fig. 4 to 6, the plurality of
In addition, each
In more detail, the
For example, as shown in fig. 17, the plurality of
In addition, each of the
In addition, the
As shown in fig. 5 to 7, the
Further, the
The
In addition, the
As shown in fig. 6 to 8, the
It should be noted that any one of the circumscribed
The
In more detail, in the
In addition, the
The above is a description of the construction of the
In addition, in any two
As shown in fig. 2 and 11, the
Further, the
In addition, the two
Since the configurations of the plurality of shielding
As shown in fig. 11, each shielding
That is, the
Each
The above is a description of the configuration of the
Further, as shown in fig. 2 and 11, the
The remaining
As shown in fig. 2, when the
In more detail, as shown in fig. 12, at least one shielding
For example, as shown in fig. 17, in any two
Accordingly, the
Further, since the two
In addition, the
[ example two ]
As shown in fig. 13 and fig. 14, which are second embodiments of the present invention, the present embodiment is similar to the first embodiment, and therefore the same points of the two embodiments are not repeated, and the difference between the present embodiment and the first embodiment mainly lies in the
in the present embodiment, each
In addition, the
[ third example ]
As shown in fig. 15, which is a third embodiment of the present invention, the present embodiment is similar to the first embodiment, so the same parts of the two embodiments are not repeated, and the difference between the present embodiment and the first embodiment mainly lies in the
in the present embodiment, each column of
[ example four ]
As shown in fig. 16, which is a fourth embodiment of the present invention, the present embodiment is similar to the first embodiment, so the same parts of the two embodiments are not repeated, and the difference between the present embodiment and the first embodiment mainly lies in the
in each
[ technical effects of embodiments of the present invention ]
In summary, in the female terminal connector disclosed in the embodiments of the present invention, the first shielding element and the second shielding element in each transmission plate are electrically connected to the plurality of ground terminals, and the second shielding element of any one of the transmission plates abuts against and is electrically connected to the first shielding element of another one of the transmission plates, so that the first shielding element, the second shielding element, and the plurality of ground terminals in the plurality of transmission plates in the female terminal connector can be electrically connected to each other and are grounded, thereby effectively improving the crosstalk resistance of the female terminal connector.
In addition, in the electrical connector assembly disclosed in the embodiment of the present invention, the shielding terminal in the male terminal connector and the grounding terminal in the female terminal connector can be connected in a one-to-many manner, so as to improve the common grounding property in the electrical connector assembly, thereby effectively improving the crosstalk resistance of the electrical connector assembly.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the scope of the invention, which is defined by the appended claims.
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