TWM608892U - Electrical connector - Google Patents

Abstract

The present invention discloses an electrical connector, which includes a housing and a plurality of transmission pieces inserted in the housing. The shell includes an insulating outer shell and a conductive inner shell arranged in the insulating outer shell, and a part of the conductive inner shell is not covered by the insulating outer shell and has a gap formed thereon. Any one of the transmission sheets includes an insulating frame, a plurality of signal terminals and a plurality of ground terminals fixed to the insulating frame, and a shielding sheet mounted on the insulating frame. The plurality of signal terminals and the plurality of ground terminals of the plurality of transmission sheets are respectively penetrated through the housing, and the plurality of signal terminals are inserted and fixed to the conductive inner shell so as to be electrically connected to each other. Coupling.

Description

Electrical connector

This creation relates to a connector, in particular to an electrical connector used for high-speed signal transmission.

In the existing electrical connector for transmitting high-speed signals, it includes an insulating shell and a plurality of transmission sheets inserted in the insulating shell and stacked. However, the structure of the existing electrical connector has been gradually limited by the existing design framework, which makes it difficult to further improve the structure of the existing electrical connector.

Therefore, the author believes that the above-mentioned defects can be improved, and with great concentration of research and the application of scientific principles, finally proposed a reasonable design and effective improvement of the above-mentioned shortcomings of this creation.

The inventive embodiment is to provide an electrical connector, which can effectively improve the defects that may occur in the existing electrical connector.

This creative embodiment discloses an electrical connector, which includes: a housing, including: an insulating shell, including an outer mating surface and an inner assembly surface, and the insulating shell is formed with an edge from the outer mating surface A plug-in direction penetrates through a plurality of terminal grooves of the inner assembly surface; and a conductive inner shell is disposed in the insulating outer shell, and the conductive inner shell includes a string away from the outer mating surface Wherein, the series connection surface and the inner assembly connection surface are separated by a gap in the plugging direction; and a plurality of transmission pieces are arranged along a first direction perpendicular to the plugging direction, and more One of the transmission pieces is inserted into the housing; wherein, any one of the transmission pieces includes: an insulating frame; a plurality of signal terminals, each including a signal embedding embedded in the insulating frame Section, and a signal contact section extending from the signal embedding section through the insulating frame; a plurality of ground terminals, each including a grounding embedding section embedded in the insulating frame, and a self-supporting section The grounding buried end extends through a ground contact section of the insulating frame; and a shielding sheet body installed on the insulating frame, and the shielding sheet body includes a body and extending from the sheet body The plurality of fixed arms; wherein, the plurality of the signal contact sections and the plurality of the ground contact sections of the plurality of transmission sheets are respectively penetrated in the plurality of the terminal grooves of the housing, and a plurality of The plurality of ground contact sections and the plurality of fixed arms of the transmission sheet are inserted and fixed to the series connection surface of the conductive inner shell to be electrically coupled to each other.

In summary, the electrical connector disclosed in this creative embodiment adopts a completely new structure that is completely different from the existing electrical connector (for example, the series connection surface of the conductive inner shell can be connected to the insulating outer shell). The inner assembly surface is formed with the step difference; the multiple ground contact sections and the multiple fixed arms of the electrical connector are inserted and fixed on the series connection surface), thereby expanding the electrical Space for subsequent R&D and design of connectors.

In the electrical connector, all grounding elements (such as a plurality of the grounding terminals and a plurality of the shielding sheets) can be effectively electrically coupled to each other through the series connection surface of the conductive inner shell Therefore, the grounding element and/or the multiple transmission pieces achieve a common ground effect, thereby effectively preventing the multiple signal terminals from being interfered by external signals.

In order to have a better understanding of the features and technical content of this creation, please refer to the following detailed descriptions and drawings about this creation, but these descriptions and drawings are only used to illustrate this creation, not to make any claims about the protection scope of this creation limit.

The following is a specific specific embodiment to illustrate the implementation of the "electric connector" disclosed in this creation, and those skilled in the art can understand the advantages and effects of this creation from the content disclosed in this specification. This creation can be implemented or applied through other different specific embodiments, and various details in this specification can also be based on different viewpoints and applications, and various modifications and changes can be made without departing from the concept of this creation. In addition, the drawings of this creation are merely schematic illustrations, and are not depicted in actual size, and are stated in advance. The following implementations will further describe the related technical content of this creation in detail, but the disclosed content is not intended to limit the protection scope of this creation.

It should be understood that although terms such as "first", "second", and "third" may be used herein to describe various elements or signals, these elements or signals should not be limited by these terms. These terms are mainly used to distinguish one element from another, or one signal from another signal. In addition, the term "or" used in this document may include any one or a combination of more of the associated listed items depending on the actual situation.

Please refer to FIG. 1 to FIG. 14, which are an embodiment of the creation. As shown in FIGS. 1 to 5, this embodiment discloses an electrical connector 100, which is used to detachably plug into a mating connector 200 along a plugging direction S, and the electrical connector 100 is, for example, an application High-speed (high-frequency) connectors for servers or switches, but this creation is not limited to this. To facilitate the description of this embodiment, the electrical connector 100 defines a first direction D1 and a second direction D2 perpendicular to the plugging direction S, and the first direction D1 and the second direction D2 They are perpendicular to each other.

As shown in FIGS. 6 to 8, the electrical connector 100 includes a housing 1 and a plurality of transmission pieces 2 inserted into the housing 1 along the insertion and removal direction S, and a plurality of the transmission pieces 2 is arranged in a row along the first direction D1 in this embodiment. It should be noted that, although the transmission sheet 2 in this embodiment is combined with the housing 1 for illustration, in other embodiments not shown in this creation, the transmission sheet 2 may also be a separate Local application (such as: sales) or use with other components.

In this embodiment, the housing 1 includes an insulating shell 11 and a conductive inner shell 12 disposed in the insulating shell 11. Wherein, the insulating outer shell 11 and the conductive inner shell 12 can be an inseparable one-piece structure or a separable two-piece structure according to design requirements, and the present creation is not limited here. It should be additionally noted that any casing that does not include a conductive inner casing is different from the casing 1 referred to in this embodiment.

The insulating housing 1 includes a plug-in portion 111 that is substantially rectangular parallelepiped, a positioning plate 112 extending from the top of the plug-in portion 111 along the plug-in direction S, and a staggered distribution formed on the A plurality of guiding posts 113 on the top surface and the bottom surface of the insertion portion 111. Wherein, the positioning plate 112 is used to buckle and position a plurality of the transmission sheets 2, and a plurality of the guide posts 113 are used to align the mating connector 200, and a plurality of the guide The number of the pillars 113 is illustrated as two in this embodiment, but the present creation is not limited to this.

Furthermore, as shown in FIGS. 8 and 9, the insulating housing 11 (the plug-in portion 111) includes an outer mating surface 1111 and an inner mating surface 1112, and the outer mating surface 1111 is compared with The inner connecting surface 1112 is relatively far away from the positioning plate 112. Wherein, the insulating housing 11 (the plug-in portion 111) is formed with a plurality of penetrating (and arranged in a matrix) terminal grooves 1113 along the plugging direction S, and the plurality of terminal grooves 1113 are arranged in In this embodiment, it is formed from the outer mating surface 1111 (along the plugging direction S) to the inner mating surface 1112. The insulating housing 11 is also recessed from the inner assembly surface 1112 to form an inner assembly groove 1114, which communicates with a portion of the plurality of terminal grooves 1113.

As shown in Figures 7 and 8, the conductive inner shell 12 in this embodiment can be an electroplated plastic inner shell, a conductive plastic inner shell, or a metal inner shell according to design requirements, and the metal inner shell can be It is made by metal injection moulding or powder metallurgy, but this creation is not limited here. Wherein, the conductive inner shell 12 is formed with a plurality of frame openings 121 connected to the plurality of terminal grooves 1113 in this embodiment, and the number of the plurality of frame openings 121 is less than the plurality of terminal grooves 1113 quantity.

Furthermore, the conductive inner shell 12 is substantially fence-shaped in this embodiment, a plurality of the frame openings 121 are arranged in a staggered arrangement in the first direction D1, and a plurality of the frame openings 121 are arranged in each Several rows parallel to the second direction D2. Wherein, the plurality of frame openings 121 in the present embodiment includes a plurality of closed frame openings 1211 and a plurality of open frame openings 1212, and the plurality of open frame openings 1212 are located at the side of the conductive inner shell 12. The outer edge part; that is, the plurality of open frame openings 1212 surround the plurality of closed frame openings 1211.

Furthermore, each of the closed frame openings 1211 is connected to at least two of the terminal grooves 1113, and each of the open frame openings 1212 is connected to at least one of the terminal grooves 1113, and each of the The number of the terminal grooves 1113 connected by the closed frame opening 1211 is not less than the number of the terminal grooves 1113 connected by any one of the open frame openings 1212. In this embodiment, each of the closed frame openings 1211 is connected to three adjacent terminal grooves 1113 arranged along the second direction D2, and the open frame openings 1212 can be connected to One terminal slot 1113, or two or three adjacent terminal slots 1113 arranged along the second direction D2.

In more detail, the conductive inner shell 12 includes an exposed portion 122 and an embedded portion 123, and the conductive inner shell 12 is inserted and fixed to the inner assembly groove 1114 by the embedded portion 123; also In other words, the exposed portion 122 protrudes from the inner connecting groove 1114 (and/or the inner connecting surface 1112). Wherein, the buried portion 123 and the inner assembling groove 1114 may be an interference fit, so that the conductive inner shell 12 is firmly installed on the insulating shell 11.

Furthermore, as shown in FIGS. 7-9, the housing 1 has a plurality of interference ribs 114 formed in the insertion portion 111 of the insulating housing 11, and a plurality of the interference ribs 114 The position and shape of can be adjusted and changed according to design requirements, so that the conductive inner shell 12 can be fixed in the insulating shell 11 with a plurality of the interference ribs 114 (and detachably), but this creation Not limited to this. For example, in other embodiments not shown in the present creation, a plurality of the interference ribs 114 may also be formed in the buried portion 123 of the conductive inner shell 12.

Furthermore, the conductive inner shell 12 includes a series connection surface 1221 away from the outer mating surface 1111, and the series connection surface 1221 is located on the exposed portion 122 and away from the embedded portion 123. Wherein, the series connection surface 1221 and the inner assembly connection surface 1112 are separated by a gap G in the insertion and removal direction S, and the level gap G is described by at least 5 millimeters (mm) in this embodiment , But this creation is not limited to this. Accordingly, by separating the series connection surface 1221 and the inner assembly connection surface 1112 in the plug-in direction S by the step G, the effect of optimizing the characteristic impedance can be effectively achieved.

Furthermore, the series connection surface 1221 of the conductive inner shell 12 is concavely formed with a plurality of series connection grooves 1222 arranged at intervals and electrically coupled, and the position of each series connection groove 1222 may be corresponding Is arranged at a corner of the frame opening 121, and the position of any one of the interference ribs 114 is preferably adjacent to one of the series connection grooves 1222; or in other words, the position of each of the interference ribs 114 may be The insertion portion 111 of the insulating housing 11 corresponding to a corner of the frame opening 121 is arranged (for example, the insulating housing 11 corresponding to the upper right corner or the lower left corner of each frame opening 121 The insertion portion 111 is provided with one interference rib 114), and the positions of the multiple interference ribs 114 corresponding to the multiple corners may be along (or parallel to) the same direction. Arranged in multiple rows, but this creation is not limited to this. For example, in other embodiments not shown in this creation, the positions of the plurality of interference ribs 114 may be corresponding to the two corners of the opposite corners of the plurality of frame openings 121, such as: Each of the upper right corner and the lower left corner of each of the frame openings 121 is provided with one interference rib 114. Wherein, any one of the series connection grooves 1222 is recessed and extends from the exposed portion 122 to the embedded portion 123 in this embodiment, and any one of the series connection grooves 1222 is formed with a communication port 1223, according to It is connected to the corresponding frame opening 121 in the first direction D1.

The conductive inner shell 12 (along the plug-in direction S) is orthographically projected toward the inner connecting surface 1112 to form a projection area on the inner connecting surface 1112, which covers 30 of the inner connecting surface 1112. %～50%; that is, the inner group junction 1112 has a plurality of exposed areas 1115 that are not covered by the projection area, and the plurality of exposed areas 1115 are also located on the inner group junction 1112 is in a position where the inner assembling groove 1114 is not recessed.

Wherein, the position of each exposed area 1115 corresponds to two adjacent terminal grooves 1113 arranged along the second direction D2, and each exposed area 1115 is located within one of the frame openings 121 In other words, any one of the exposed areas 1115 will not cross the two frame openings 121 in this embodiment. Furthermore, any one of the exposed areas 1115 of the inner group connecting surface 1112 is formed with a gap 1116 along the insertion and removal direction S, and any one of the gaps 1116 is equivalent to communicating with the inner group connecting groove 1114, and Any one of the gaps 1116 has a length of at least 0.5 mm in the second direction D2; that is, at least one side of the gap 1116 in the second direction D2 has a length of at least 0.5 mm, and The shape of the end surface of the notch 1116 (at any one of the exposed areas 1115 of the inner group joint surface 1112) may be a rectangle or a trapezoid. Wherein, the length of the notch 1116 is the same or different on the two sides parallel to the second direction D2. Furthermore, the end surface of the notch 1116 is trapezoidal, and the notch 1116 is parallel to two of the sides in the second direction D2, and the side with the shorter length may be closer to the terminal slot 1113. (Or the side away from the frame opening 121), but this creation is not limited to this. Accordingly, by forming the notch 1116 in any one of the exposed areas 1115 of the inner group connecting surface 1112 along the insertion and removal direction S, the effect of optimizing the characteristic impedance can be effectively achieved.

It should be additionally noted that although the insulating housing 11 and the conductive inner housing 12 are described in this embodiment as having the above technical features, the specific structures of the insulating housing 11 and the conductive inner housing 12 are also According to design requirements, only some of the above technical features can be included. For example, in other embodiments not shown in the present creation, any one of the bare regions 1115 of the insulating housing 11 may not have the gap 1116 formed; or, the conductive inner housing 12 may not be formed with much The frame opening 121; or, the series connection surface 1221 of the conductive inner shell 12 may also not be formed with the step G compared to the inner group connection surface 1112; or, the casing 1 A plurality of the interference ribs 114 are not formed.

As shown in FIG. 6, a plurality of the transmission sheets 2 are inserted into the housing 1 along the insertion and extraction direction S and buckled to the positioning plate 112 of the insulating housing 11. The transmission sheet 2 includes two structures in this embodiment, but the component structures are roughly the same. Therefore, in order to facilitate the understanding of this embodiment, only the structure of a single transmission sheet 2 will be introduced below, and then multiple structures will be described in due course. The connection relationship between the transmission pieces 2 is described, but this creation is not limited to this. For example, in other embodiments not shown in this creation, the electrical connector 100 may also use a plurality of the transmission sheets 2 with completely different or completely identical component structures.

As shown in FIGS. 10 to 12, the transmission sheet 2 in this embodiment includes an insulating frame body 21 having a substantially rectangular shape, a plurality of signal terminals 22 fixed to the insulating frame body 21, and a plurality of ground terminals 23. And a shielding sheet body 24 where the insulating frame body 21 is installed. Wherein, the transmission sheet 2 is buckled to the positioning plate 112 and the insertion portion 111 of the insulating housing 11 by the insulating frame body 21, and a plurality of the ground terminals 23 and the shielding sheet The body 24 is connected to the conductive inner shell 12.

The insulating frame 21 includes a front end 211, a rear end 212, a top end 213, and a bottom end 214 that are elongated and distributed around the surrounding area. The length directions of the front end portion 211 and the rear end portion 212 are substantially parallel to the second direction D2, and the length directions of the top end portion 213 and the bottom end portion 214 are substantially parallel to the plug-in direction S, In addition, the length direction of the front end portion 211 is substantially perpendicular to the length direction of the bottom end portion 214.

Each of the signal terminals 22 is an integrally formed one-piece long structure, and each of the signal terminals 22 includes a signal embedding section 221 embedded in the insulating frame body 21, from which the signal embedding The embedding section 221 extends through a signal contact section 222 of the insulating frame 21 (such as the front end 211), and extends from the signal embedding section 221 through the insulating frame 21 (such as: A signal installation section 223 at the bottom end 214).

Furthermore, in each of the signal terminals 22, the signal contact section 222 and the signal mounting section 223 are formed by extending from opposite ends of the signal embedding section 221, and the signal contact section 222 It penetrates the front end portion 211 substantially perpendicularly, and the signal mounting section 223 penetrates the bottom end portion 214 substantially perpendicularly; that is, the length direction of the signal contact section 222 is in line with the signal The length direction of the installation section 223 is approximately 90 degrees sandwiched in this embodiment, but the invention is not limited to this.

Each of the ground terminals 23 is an integrally formed one-piece long structure, and each of the ground terminals 23 includes a ground buried section 231 embedded in the insulating frame 21, from the ground buried The set section 231 extends through a ground contact section 232 of the insulating frame body 21 (such as the front end portion 211), and extends from the ground buried section 231 through the insulating frame body 21 (such as: A grounding installation section 233 at the bottom end 214). Each of the ground contact segments 232 has a ground contact 2321 for abutting against a ground terminal 201 of the mating connector 200.

Furthermore, in each of the ground terminals 23, the ground contact section 232 and the ground installation section 233 are formed by extending from opposite ends of the ground buried section 231, and the ground contact section 232 It penetrates the front end portion 211 substantially perpendicularly, and the ground mounting section 233 penetrates the bottom end portion 214 substantially perpendicularly; that is, the length direction of the ground contact section 232 is in line with the ground The length direction of the installation section 233 is approximately 90 degrees sandwiched in this embodiment, but the present creation is not limited to this.

In more detail, a plurality of the ground terminals 23 and a plurality of the signal terminals 22 are arranged in a staggered manner, and are arranged between any two adjacent ground terminals 23 or adjacent to any one of the ground terminals 23. There are two of the signal terminals 22 (that is, one pair of differential signals) that can be used to transmit differential signals in common. The plurality of ground contact sections 232 and the plurality of signal contact sections 222 are arranged in a row along the second direction D2, and the plurality of ground mounting sections 233 and the plurality of signal mounting sections 223 are arranged along the insertion line. The drawing direction S is arranged in a row.

It should be additionally noted that although the ground buried section 231 and the signal buried section 221 are buried in the insulating frame 21, the ground buried section 231 and the signal buried section 221 It is also possible to expose a local area to the outside of the insulating frame 21 to facilitate the impedance adjustment of the transmission sheet 2, and the part of the grounding buried section 231 exposed outside the insulating frame 21 can also be The shielding sheet body 24 is provided for plug-in connection.

In this embodiment, the shielding sheet body 24 is a one-piece structure formed by stamping a single metal sheet, and the shielding sheet body 24 includes a body 241 and a plurality of inner parts bent and extended from the sheet body 241. The connecting arm 242, a plurality of fixed arms 243 extending from the sheet body 241, and a plurality of elastic arms 244 respectively extending from the plurality of fixed arms 243 toward the sheet body 241, but the creation is not limited to this . For example, in other embodiments not shown in the present creation, the shielding sheet body 24 may also omit the plurality of inscribed arms 242 and/or the plurality of elastic arms 244.

In this embodiment, the sheet body 241 is formed with a plurality of side slits 2411 at the front edge and a plurality of inner slits 2412 at the inside, and the plurality of inscribed arms 242 are formed from the inside of the plurality of inner slits 2412. The wall and the edge of the sheet body 241 are formed by bending and extending substantially perpendicularly toward the same side, and the plurality of fixing arms 243 are respectively formed from the inner wall of the plurality of side slits 2411 (substantially along the insertion and extraction direction S). ) Formed by extension. Each of the elastic arms 244 is in a cantilever shape, and the positions of the plurality of elastic arms 244 respectively correspond to the plurality of side cuts 2411 along the first direction D1. In more detail, the plurality of elastic arms 244 are respectively moved from the fixed arm 243 to which they are connected (corresponding) along the first direction D1 or along the first direction D1 and the insertion and removal direction S. The formed plane is formed by bending and extending substantially obliquely toward the corresponding side slit 2411, and the plurality of elastic arms 244 and the plurality of inscribed arms 242 are located on the same side of the sheet body 241.

Furthermore, in this embodiment, the shielding sheet body 24 is fixed to one side of the insulating frame body 21 by the sheet body 241 by riveting, so that the sheet body 241 is in the first direction D1. The signal embedded sections 221 of the plurality of signal terminals 22 are shielded, thereby providing a perfect signal shielding effect. Wherein, the plurality of inner connecting arms 242 are respectively inserted into the ground buried sections 231 of the plurality of ground terminals 23 (for example, the ground buried sections 231 exposed outside the insulating frame 21) ), so that the shielding sheet body 24 and the plurality of ground terminals 23 form a common ground connection.

Furthermore, the plurality of fixed arms 243 are arranged in another row along the second direction D2, which is spaced apart from the row in which the plurality of ground contact segments 232 and the plurality of signal contact segments 222 are arranged. Wherein, the number of the plurality of fixed arms 243 of the shielding sheet body 24 is less than or equal to the number of the plurality of ground terminals 23; that is, in one of the transmission sheets 2, the shielding sheet body The number of the plurality of fixed arms 243 of the 24 may be less than or equal to the number of the plurality of the ground terminals 23; and in one of the transmission sheets 2 of this embodiment, the number of the plurality of the shielding sheets 24 is The number of the fixed arms 243 is equal to the number of the plurality of ground terminals 23, and each of the fixed arms 243 and the corresponding elastic arm 244 together corresponds to one ground contact section along the first direction D1. 232, and the connection 245 between each fixed arm 243 and the corresponding elastic arm 244 protrudes in the plugging direction S from the ground contact 2321 of the corresponding ground contact section 232 (such as : The bending part of the ground contact section 232 in FIG. 13).

In more detail, in order to make each of the fixed arms 243 have better structural strength, it is convenient to be used for fixing and to effectively support the swing of the corresponding elastic arm 244. Therefore, each of the fixed arms 243 in this embodiment has better structural strength. The fixed arm 243 adopts the following structural design, but the creation is not limited to this.

Wherein, as shown in FIG. 11, FIG. 13, and FIG. 14, each of the fixed arms 243 includes a free end 2431 away from the sheet body 241, connected to the sheet body 241 (e.g., corresponding A supporting portion 2432 of the inner wall of the side cut 2411) and a connecting portion 2433 connecting the supporting portion 2432 and the free end portion 2431. In each of the fixed arms 243 of this embodiment, a first thickness T1 of the supporting portion 2432 in the first direction D1 is greater than that of the connecting portion 2433 or the free end portion 2431 in the A second thickness T2 in the first direction D1. Wherein, a ratio of the first thickness T1 divided by the second thickness T2 is preferably between 1.1 and 1.5, but the invention is not limited to this.

In this embodiment, each elastic arm 244 is formed by extending from the free end 2431 of the corresponding fixed arm 243, and each elastic arm 244 is adjacent to the corresponding fixed arm 243 The connecting portion 2433 and the supporting portion 2432; that is, one side edge of the free end portion 2431 of each of the fixed arms 243 is simultaneously connected to the connecting portion 2433 and the corresponding elastic臂244.

Wherein, the free end 2431 of each fixed arm 243 also includes two interference regions 2434 (on opposite sides respectively), which are respectively adjacent to the connecting portion 2433 and the corresponding elastic arm 244, but this creation is not limited to this. For example, each of the fixed arms 243 (or the free end 2431) may also include at least one of the interference regions 2434. When each fixed arm 243 is inserted into the conductive inner shell 12 with the free end 2431, the fixed arm 243 can be fixed in the conductive inner shell 12 through the interference region 2434. Furthermore, in each of the fixed arms 243, the maximum distance between the two interference regions 2434 of the free end 2431 is greater than (connected to the connecting portion 2433 and the corresponding elastic arm 244) The length of the side edge of the free end 2431.

Furthermore, the free end 2431 of each fixed arm 243 protrudes from the ground contact 2321 corresponding to the ground contact section 232 in the insertion and removal direction S, and each fixed arm 243 The free end 2431 of the arm 243 does not protrude from the end edge of the corresponding ground contact section 232 in the plugging direction S. Wherein, the free end 2431 of each fixed arm 243 preferably protrudes at least 0.5 millimeters (mm) in the plugging direction S to correspond to the ground contact section 232. Contact 2321, but this creation is not limited to this.

Accordingly, the transmission piece 2 disclosed in this embodiment adopts a completely new structure that is completely different from the existing transmission piece (for example, a plurality of the ground contact segments 232 and a plurality of the signal contact segments 222 are arranged in a row, and A plurality of the fixed arms 243 are arranged in another row; each of the free ends 2431 protrudes out of the corresponding ground contact 2321; each of the fixed arms 243 and the corresponding elastic arm 244 are connected The 245 protrudes corresponding to the ground contact 2321), which expands the subsequent development and design space of the transmission sheet 2 accordingly.

The above is the description of the structure of the single transmission piece 2 of this embodiment, but the specific structure of the transmission piece 2 can be adjusted and changed according to design requirements, but the transmission piece 2 is not limited to this embodiment; Next, the connection relationship between the plurality of transmission sheets 2 and the casing 1 of this embodiment will be described.

As shown in FIGS. 4 to 7, the plurality of signal contact sections 222 and the plurality of ground contact sections 232 of the plurality of transmission sheets 2 are respectively (along the plugging direction S) penetrated through the shell The plurality of terminal grooves 1113 of the body 1, and the plurality of fixed arms 243 of the plurality of transmission sheets 2 are inserted and fixed in the housing 1 with the free ends 2431 thereof.

Wherein, each of the fixed arms 243 (the free ends 2431 of the plurality of transmission sheets 2) and the corresponding ground contact section 232 are inserted and fixed to the conductive inner shell 12 to be electrically coupled to each other (Eg, the free end 2431 of each of the fixed arms 243 is fixed to the conductive inner shell 12 with at least one of the interference regions 2434 to be electrically coupled to each other), and each of the fixed arms The free end 2431 of 243 and the ground contact 2321 of the corresponding ground contact section 232 are separated by the conductive inner shell 12 in the first direction D1; that is, each The free end 2431 of the fixed arm 243 will not contact the corresponding ground contact section 232.

More specifically, the plurality of ground contact sections 232 and the plurality of fixed arms 243 (the free ends 2431) of the plurality of transmission sheets 2 are inserted and fixed to all of the conductive inner shell 12 The series connection surfaces 1221 are electrically coupled to each other. In this embodiment, the plurality of fixed arms 243 of the plurality of transmission sheets 2 are inserted and fixed to the plurality of series connection grooves 1222 respectively (for example, each of the fixed arms 243 has its interference area 2434 is fixed in the corresponding series connection groove 1222 ), and each of the elastic arms 244 is located in one series connection groove 1222 and its communication port 1223. Furthermore, one end of each elastic arm 244 adjacent to the connecting portion 2433 corresponding to the fixed arm 243 is located in one of the series connection grooves 1222, and each elastic arm 244 is adjacent to the corresponding fixed arm 243. The other end of the supporting portion 2432 of the fixed arm 243 is exposed outside the series connection surface 1221 of the conductive inner shell 12, but the invention is not limited to this.

Accordingly, the electrical connector 100 disclosed in this embodiment adopts a completely new structure that is completely different from existing electrical connectors (for example, the series connection surface 1221 of the conductive inner shell 12 can be connected to the insulating shell 11 The inner assembly surface 1112 is formed with the step difference G; the multiple ground contact segments 232 and the multiple fixed arms 243 of the electrical connector 100 are inserted and fixed on the series connection surface 1221), Accordingly, the space for subsequent development and design of the electrical connector 100 is expanded.

Furthermore, in the electrical connector 100 of this embodiment, all grounding elements (such as the plurality of ground terminals 23 and the plurality of shielding sheets 24) can effectively pass through the conductive inner shell 12 The series connection surfaces 1221 are electrically coupled to each other, so that the grounding element and/or the plurality of transmission sheets 2 achieve a common ground effect, thereby effectively preventing the plurality of signal terminals 22 from being subjected to Interference from external signals.

From another perspective, the two adjacent signal contact segments 222 of any one of the transmission sheets 2 are located in one of the exposed areas 1115 and located in one of the frames of the conductive inner shell 12 in this embodiment. The inside of the opening 121 is surrounded by the corresponding frame opening 121 at least 180 degrees on a plane perpendicular to the insertion and removal direction S. Wherein, the two adjacent signal contact sections 222 of any one of the transmission sheets 2 will be surrounded by the corresponding closed frame opening 1211 by 360 degrees on the plane or by the corresponding open frame The port 1212 surrounds at least 180 degrees. Accordingly, the electrical connector 100 can match the positions between the plurality of frame openings 121 of the conductive inner shell 12 and the plurality of signal terminals 22, thereby enhancing the signals of the plurality of signal terminals 22. Transmission efficiency.

One of the frame openings 121 (for example, the closed frame opening 1211) may be provided with two adjacent signal contact sections 222 of any one of the transmission sheets 2; or, in one of the frame openings 121 ( For example: the closed frame opening 1211) may be provided with any one of the ground contact sections 232 of the transmission sheet 2 and the adjacent signal contact sections 222; or in one of the frame openings 121 (such as: The open frame opening 1212) may also only be provided with a single ground contact section 232; alternatively, only two signal terminals may be provided in one frame opening 121 (for example, the open frame opening 1212) 22 (that is, a differential signal pair). Wherein, whether it is the signal contact section 222 located in the closed frame opening 1211 or the open frame opening 1212, the signal terminal 22 to which it belongs not only achieves a better shielding effect, but also improves Signal transmission efficiency.

As shown in Figures 2 and 4 to 7, when the electrical connector 100 of this embodiment is used to connect the mating connector 200, each ground terminal 201 of the mating connector 200 penetrates Set the terminal slot 1113 of the housing 1 corresponding to the ground terminal 23, and penetrate through the frame opening 121 of the corresponding ground terminal 23 and the conductive inner shell 12 At the same time, more of the multiple ground terminals 201 (that is, one end) penetrates the conductive inner shell 12 and is exposed outside the series connection surface 1221, and each ground terminal 201 corresponds to its corresponding ground terminal 201. The conductive inner shell 12 (or in the frame opening 121 where it is located) is electrically coupled to each other, and each of the elastic arms 244 and the ground contact 2321 corresponding to the ground contact section 232 are used for abutting One of the ground terminals 201 of the mating connector 200 is electrically coupled to each other. In this embodiment, any one of the elastic arms 244 and the corresponding ground contact section 232 are used to press in different directions and abut against (eg, to roughly clamp) the mating connector 200 Correspond to the ground terminal 201. When each elastic arm 244 is used to abut against the corresponding ground terminal 201 of the mating connector 200, it swings toward the corresponding edge cut 2411 (please refer to FIG. 11).

Accordingly, the electrical connector 100 disclosed in this embodiment includes the plurality of ground terminals 23 and the plurality of shielding sheets 24 not only can be electrically coupled to each other through the conductive inner shell 12 It is connected to the common ground, and can be further connected to the mating connector 200 (for example, each of the elastic arms 244 and the corresponding ground contact 2321 abuts against the ground terminal 201 of the mating connector 200) , And the ground terminal 201 of the mating connector 200 is further electrically coupled to each other through the conductive inner shell 12. Therefore, the elastic arm 244, the ground contact 2321, the ground terminal 201, and the ground terminal 201 are electrically coupled to each other. The conductive inner shell 12 has a common ground, so that all grounding elements of the electrical connector 100 and the mating connector 200 achieve a common ground effect, thereby effectively ensuring the quality and efficiency of signal transmission.

[Technical effects of this creative embodiment]

In summary, in the electrical connector disclosed in this creative embodiment, any one of the transmission pieces included in it adopts a completely new structure that is completely different from the existing transmission pieces (such as: multiple ground contact segments and multiple The signal contact sections are arranged in one row, and a plurality of the fixed arms are arranged in another row; each of the free ends protrudes out of the corresponding ground contact; each of the fixed arms is connected to the corresponding ground contact. The connecting point of the elastic arm protrudes corresponding to the ground contact), thereby expanding the space for subsequent research and development and design of the electrical connector (or the transmission sheet).

Furthermore, the electrical connector disclosed in this creative embodiment also adopts a completely new structure that is completely different from the existing electrical connector (for example, the series connection surface of the conductive inner shell can be connected to the insulating outer shell). The inner assembly surface is formed with the step difference; the multiple ground contact sections and the multiple fixed arms of the electrical connector are inserted and fixed on the series connection surface), thereby expanding the electrical Space for subsequent R&D and design of connectors.

In the electrical connector, all grounding elements (such as a plurality of the grounding terminals and a plurality of the shielding sheets) can be effectively electrically coupled to each other through the series connection surface of the conductive inner shell According to this, the grounding element and/or the plurality of transmission pieces achieve a common ground effect, thereby effectively preventing the plurality of signal terminals from being interfered by external signals.

In addition, in the electrical connector disclosed in this creative embodiment, the plurality of ground terminals and the plurality of shielding sheets contained therein can not only be electrically coupled to each other and share a common ground through the conductive inner shell, but also It can be further connected with the mating connector (for example, each of the elastic arms and the corresponding ground contact abuts against the ground terminal of the mating connector) and the ground terminal of the mating connector Furthermore, the conductive inner shell is electrically coupled to each other, so the elastic arm, the ground contact, the ground terminal and the conductive inner shell share the same ground, so that the electrical connector and the mating All grounding components of the connector achieve the effect of common ground, thereby effectively ensuring the quality and efficiency of signal transmission.

The content disclosed above is only a preferred and feasible embodiment of this creation, and does not limit the patent scope of this creation. Therefore, all equivalent technical changes made using this creation specification and schematic content are included in the patent scope of this creation. Inside.

100: electrical connector 1: shell 11: Insulating shell 111: Socket 1111: external mating surface 1112: inner group junction 1113: terminal slot 1114: Inner assembly slot 1115: exposed area 1116: gap 112: positioning plate 113: Guiding Post 114: Interference rib 12: Conductive inner shell 121: frame mouth 1211: closed frame mouth 1212: open frame mouth 122: Bare Department 1221: serial connection surface 1222: Series connection slot 1223: Connecting port 123: Buried Department 2: Transmission piece 21: Insulation frame 211: Front end 212: rear end 213: Tip 214: bottom end 22: signal terminal 221: Signal Embedding Section 222: Signal contact section 223: Signal installation section 23: Ground terminal 231: Grounded Buried Section 232: Ground contact section 2321: Ground contact 233: Grounding installation section 24: shielding sheet body 241: film body 2411: side cut 2412: internal incision 242: Inner Arm 243: fixed arm 2431: free end 2432: Support 2433: connecting part 2434: interference zone 244: Flexible arm 245: connection S: Plug-in direction D1: First direction D2: second direction G: Difference T1: first thickness T2: second thickness 200: Mating connector 201: Ground terminal

Fig. 1 is a schematic diagram of a combination of an electrical connector and a mating connector according to the creative embodiment.

Fig. 2 is a schematic cross-sectional view of Fig. 1 along the line II-II.

Fig. 3 is an exploded schematic diagram of Fig. 1.

4 is a schematic cross-sectional view of FIG. 3 along the line IV-IV.

Fig. 5 is a schematic cross-sectional view of Fig. 3 along the section line V-V.

Fig. 6 is a three-dimensional schematic diagram of the electrical connector of the creative embodiment.

FIG. 7 is an enlarged schematic diagram of part VII in FIG. 6.

Fig. 8 is an exploded schematic view of the housing in Fig. 6.

FIG. 9 is a schematic view of the insulating housing in FIG. 8 from another perspective.

Fig. 10 is a schematic plan view of the transmission piece of the authoring embodiment.

FIG. 11 is an exploded schematic diagram of the transmission piece of the authoring embodiment.

FIG. 12 is an exploded schematic diagram of another perspective of the transmission sheet of the authoring embodiment.

Fig. 13 is an enlarged schematic diagram of the part XIII in Fig. 10.

Fig. 14 is an enlarged schematic diagram of the part XIV in Fig. 12.

11: Insulating shell

1113: terminal slot

1115: exposed area

12: Conductive inner shell

121: frame mouth

1211: closed frame mouth

122: Bare Department

1221: serial connection surface

1222: Series connection slot

1223: Connecting port

G: Difference

Claims (11)

An electrical connector, which includes: A shell, containing: An insulating housing including an outer mating surface and an inner assembly surface, and the insulating housing is formed from the outer mating surface with a plurality of terminal grooves penetrating through the inner assembly connecting surface in a plug-in direction; and A conductive inner shell is disposed in the insulating outer shell, and the conductive inner shell includes a series connection surface away from the outer mating surface; wherein the series connection surface and the inner assembly connection surface are There is a gap in the direction of insertion and removal; and A plurality of transmission sheets are arranged along a first direction perpendicular to the insertion and removal direction, and a plurality of the transmission sheets are inserted in the housing; wherein any one of the transmission sheets includes: An insulating frame; A plurality of signal terminals, each including a signal embedding section embedded in the insulating frame, and a signal contact section extending from the signal embedding section through the insulating frame; A plurality of grounding terminals, each including a grounding buried section buried in the insulating frame body, and a grounding contact section extending from the grounding buried end through the insulating frame body; and A shielding sheet body installed on the insulating frame, and the shielding sheet body includes a body and a plurality of fixing arms extending from the sheet body; Wherein, the plurality of the signal contact sections and the plurality of ground contact sections of the plurality of transmission pieces are respectively penetrated in the plurality of the terminal grooves of the housing, and the plurality of the plurality of transmission pieces One of the ground contact segments and a plurality of the fixed arms are inserted and fixed to the series connection surface of the conductive inner shell to be electrically coupled to each other. The electrical connector according to claim 1, wherein the step difference is at least 0.5 millimeters (mm). The electrical connector according to claim 1, wherein the series connection surface of the conductive inner shell is concavely formed with a plurality of series connection grooves that are spaced apart and electrically coupled, and a plurality of the transmission pieces The plurality of fixed arms are inserted and fixed to the plurality of series connection grooves respectively. The electrical connector according to claim 1, wherein the insulating outer shell is recessed from the inner connecting surface to form an inner connecting groove, and the conductive inner shell includes an exposed portion provided with the series connecting surface And an embedded part far away from the series connection surface, and the conductive inner shell is inserted and fixed in the inner assembly groove by the embedded part. The electrical connector according to claim 1, wherein the conductive inner shell is formed with a plurality of frame openings communicating with the plurality of terminal grooves, and the number of the plurality of frame openings is less than the number of the plurality of terminals The number of grooves; wherein, two adjacent signal contact sections of any one of the transmission sheets are located in one of the frame openings of the conductive inner shell. The electrical connector according to claim 3, wherein each of the fixed arms further includes at least one interference area, and each of the fixed arms is fixed in the corresponding series connection groove with at least one of the interference areas . The electrical connector according to claim 1, wherein the conductive inner shell is orthographically projected toward the inner group junction to form a projection area on the inner group junction, which covers 30 of the inner group junction. %～50%; The inner group junction has a plurality of exposed areas, which are not covered by the projection area. The electrical connector according to claim 7, wherein any one of the exposed areas of the inner assembly interface is formed with a gap along the insertion and removal direction, and any one of the gaps is perpendicular to the insertion and removal direction. The first direction has a length of at least 0.5 millimeters (mm) in a second direction. The electrical connector according to claim 7, wherein two adjacent signal contact sections of any one of the transmission sheets are located in one of the exposed areas. The electrical connector according to claim 5, wherein the two adjacent signal contact sections of any one of the transmission pieces are corresponding to the frame openings on a plane perpendicular to the insertion and removal direction. Around at least 180 degrees. The electrical connector according to claim 1, wherein the housing further includes a plurality of interference ribs, and the conductive inner shell is fixed in the insulating outer shell by the plurality of interference ribs.

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