TWM550486U - Electrical connector - Google Patents

Description

Electrical connector

The present invention relates to an electrical connector, and more particularly to a USB electrical connector with an improved electromagnetic shielding construction.

The conventional Type-A or Type-B type USB electrical connectors must be plugged according to a specific plugging direction, which brings great trouble to the user. Therefore, in recent years, electrical connector related associations and related manufacturers have vigorously developed an electrical connector type that can be plugged in without a specific direction, that is, a Type-C type electrical connector, and this type of electrical connector not only does not need to follow In addition to the advantages of plugging in a specific direction, and the signal transmission performance in other directions has been improved, therefore, all major manufacturers are actively developing for this type of electrical connector.

In general, common electrical connectors can be roughly classified into three types: surface mount type (SMT), plug-weld type (DIP), and hybrid (SMT+DIP) depending on different requirements; The electrical connectors must be designed for the corresponding electromagnetic shielding to effectively meet the relevant association and national regulations. Therefore, for each manufacturer, how to design the electromagnetic shielding structure of the Type-C hybrid electrical connector is one of the important issues.

For example, the electrical connector of the Republic of China No. M521818 patent, the present disclosure discloses an electrical connector including a terminal block, a plurality of conductive terminals, a shielding plate and a grounding member, wherein the terminal block includes a base and a self-base forward One of the tongue plates is extended, the plurality of conductive terminals are received in the tongue plate member, and the shielding plate is disposed in the tongue plate member, and the grounding member is fixed in the base, wherein the grounding member includes a guiding end contacting the shielding plate. This creation directly contacts the shielding plate through the grounding member, thereby replacing the rear end of the conventional shielding plate. The problem of complicated mold structure and easy production is caused by the extension of the grounding, and the creation can effectively reduce the noise interference caused by the terminal during high-frequency transmission.

The electrical connector of the Chinese Patent No. M519334, the electrical connector includes an insulative housing, a plurality of first conductive terminals disposed on the insulative housing, a plurality of second conductive terminals, an inner grounding strip, and an outer grounding member. The outer surface of the insulative housing includes a first surface and a second surface on opposite sides and two sides between the first surface and the second surface. The inner grounding piece has a plate body embedded in the insulative housing and two protruding pieces extending from opposite side edges of the board body respectively protruding from the two sides of the insulative housing, and the first conductive terminals are respectively connected to the second conductive portions via the board body Terminal separation. The outer grounding member clamps the insulating body and is fastened to the two protruding pieces. The portion of the outer grounding member that is fastened to one of the protruding pieces includes two engaging portions that are overlapped with each other, and at least one of the two engaging portions is formed with a through hole and is sleeved on the corresponding protruding piece.

However, the above conventional techniques still fail to achieve a better electromagnetic shielding effect. Therefore, the present author has devoted himself to research and cooperates with the application of the theory, and proposes an electrical connector which is reasonable in design and can effectively improve the above problems.

The main purpose of the present invention is to provide an electrical connector for solving the problem of poor electromagnetic shielding effect of the conventional USB electrical connector.

In order to achieve the above object, the present invention provides an electrical connector including an insulating base, a metal shield spacer, and an inner metal housing. The insulating base includes a first base portion and a second base portion. The first base portion includes a first tongue portion and a first bent portion. The first tongue portion and the first bent portion are connected to each other, and are formed together. L-shaped, a first terminal group is disposed in the first base portion, the two ends of the first terminal group are respectively exposed to the first tongue portion and the first bending portion, and the first terminal group includes two first ground terminals; a first accommodating groove is formed on a wide side surface of the first bending portion, and the two first accommodating grooves are formed at intervals on the first bending portion, and the two first accommodating grooves are correspondingly exposed. a portion of the two first ground terminals; the second base portion includes a second tongue portion and a second bent portion, and the second tongue portion and the second bent portion are connected to each other Formed as an L-shape, a second terminal set is disposed in the second base portion, two ends of the second terminal set are respectively exposed to the second tongue portion and the second bent portion, and the second terminal group includes two second ground terminals Wherein a wide side surface of the second bent portion is concavely formed with two second receiving grooves, and the two second receiving grooves are formed at intervals on the second bending portion, and the two second receiving grooves are formed Corresponding to a portion exposing the two second ground terminals; wherein the second base portion and the first base portion are fixed to each other, and the second tongue portion and the first tongue portion are disposed opposite to each other, the second bending portion and the first bending portion The sections are arranged opposite each other. The metal shielding spacer is fixedly disposed between the first base portion and the second base portion, and the metal shielding spacer is correspondingly located between the first terminal group and the second terminal group, and the metal shielding spacer comprises a main shielding portion and a sub shielding portion The main shield portion and the sub shield portion are connected to each other and formed in an L shape, the main shield portion is disposed between the first tongue portion and the second tongue portion, and the sub shield portion is correspondingly disposed on the first bent portion and the first portion. Between the two bent portions; the auxiliary shield portion is formed with four auxiliary structures, and the four auxiliary structures are correspondingly located in the two first accommodating grooves and the two second accommodating grooves, and the four auxiliary structures correspond to the two The portion of the first grounding terminal and the portion of the two second grounding terminals are in contact; wherein the metal shielding spacer further comprises two shielding ground structures, and the two shielding grounding structures are correspondingly exposed to the insulating base, and the shielding The grounding structure is in contact with the inner metal casing. The inner metal shell is disposed to cover the insulating base, and the two shield ground portions are in contact with the inner metal shell, and the first tongue portion and the second tongue portion are corresponding to a plug space formed in the inner metal shell in.

In another embodiment of the present invention, the lengths of the first terminal set and the second terminal set respectively facing the first bent portion and the second bent portion are shorter than those of the foregoing embodiment; The length of the first bent portion and the second bent portion are also shorter than the previous embodiment, and the first bent portion and the second bent portion are not provided with the first receiving groove and the second receiving portion. Set the slot. Further, the sub-shield portion of the metal shield spacer does not have the auxiliary structure described in the foregoing embodiment, and the length of the sub-shield portion of the metal shield spacer is also relatively short. In the same manner as the foregoing embodiment, the sub-shield portion of the metal shield spacer is located at a portion of the first terminal group face for the first bent portion and the second terminal group face for the second bend Between the portions of the portion, the first terminal group and the second terminal group can pass through the arrangement of the sub-shield portion of the metal shielding spacer to achieve a better shielding effect; the metal shielding spacer of the embodiment does not have the foregoing embodiment In the auxiliary structure, the metal shielding spacer of the embodiment is in contact with the inner metal housing through the shield grounding structure provided to achieve the grounding effect.

The beneficial effect of the creation is that the electromagnetic shielding effect of the USB electrical connector can be effectively improved, in particular, the crosstalk interference between the SMT pin and the DIP pin can be effectively reduced, thereby further improving the overall signal transmission of the electrical connector. Clear.

In order to further understand the technical features and technical contents of the present invention, please refer to the following detailed description of the present invention and the accompanying drawings. However, the drawings are only for reference and description, and are not intended to limit the creation.

1‧‧‧Electrical connector

10‧‧‧Insulated base

11‧‧‧ First Base

111‧‧‧First tongue

111a‧‧ Wide side

1111‧‧‧Fixed structure

112‧‧‧First bend

112a‧‧ Wide side

1121‧‧‧First accommodating slot

12‧‧‧ Second Base

121‧‧‧Second tongue

121a‧‧ Wide side

1211‧‧‧Fixed structure

122‧‧‧Second bend

122a‧‧ Wide side

1221‧‧‧Second accommodating slot

123‧‧‧Auxiliary fixed structure

13‧‧‧Auxiliary base

131‧‧‧Fixed column

132‧‧‧ card slot

133‧‧‧Limited convex

134‧‧‧ Limit slot

20‧‧‧First terminal group

21‧‧‧First grounding terminal

22‧‧‧Power terminal

30‧‧‧Second terminal group

31‧‧‧Second ground terminal

32‧‧‧Power terminal

40‧‧‧Metal shielded partition

401‧‧‧Fixed structure

40a‧‧‧ wide side

41‧‧‧Main Screening Department

42‧‧‧Sub-shield

43‧‧‧Auxiliary limit structure

44‧‧‧Auxiliary structure

45‧‧‧Shield grounding structure

46‧‧‧Perforation

47‧‧‧ gap

50‧‧‧ ring shield

51, 52‧‧ ‧ card arm

60‧‧‧Metal metal shell

61‧‧‧ Limit gap

62‧‧‧Limited arm

63‧‧‧Shielded sidewall

64‧‧‧Shell fixed structure

70‧‧‧Outer metal casing

71‧‧‧Shell fixed structure

SP‧‧‧ docking space

1'‧‧‧ electrical connector

11’‧‧‧ First Base

111’‧‧‧First tongue

112’‧‧‧First bend

12’‧‧‧ Second Base

121’‧‧‧second tongue

122’‧‧‧Second bend

20’‧‧‧First Terminal Group

30’‧‧‧Second terminal group

40’‧‧‧Metal shielded partition

41’‧‧‧Main Screening Department

42’‧‧‧Sub-shield

45'‧‧‧Shield grounding structure

50'‧‧‧ ring shield

51’, 52’ ‧ ‧ ‧ arm

60'‧‧‧Metal housing

61’‧‧‧ Limit gap

63’‧‧‧Shielded sidewall

70'‧‧‧Outer metal casing

Figure 1 is a schematic view of the electrical connector of the first embodiment of the present invention.

2 to 4 are exploded views of the electrical connector of the first embodiment of the present invention.

5 to 7 are schematic views showing the combination of the insulating base and the metal shield spacer of the electrical connector of the first embodiment of the present invention.

8 and 9 are exploded views of the insulating base and the metal shielded spacer of the electrical connector of the first embodiment of the present invention.

Figure 10 is a side cross-sectional view showing the electrical connector of the first embodiment of the present invention.

Figure 11 is a schematic view showing the combination of the first base and the metal shield spacer of the electrical connector of the first embodiment of the present invention.

Figure 12 is a schematic view showing the combination of the second base and the metal shield spacer of the electrical connector of the first embodiment of the present invention.

13 and 14 are exploded views of the electrical connector of the second embodiment of the present invention.

Figure 15 is a side cross-sectional view showing the metal shield spacer of the electrical connector of the second embodiment of the present invention.

Figure 16 is a schematic view showing the combination of the insulating base, the metal shielded partition and the inner metal casing of the electrical connector of the second embodiment of the present invention.

The embodiments of the electrical connector of the present invention are described below by way of specific specific examples, and those skilled in the art can clearly understand the technical advantages and effects of the present invention by the contents disclosed in the present specification. The creation may also be carried out or applied by other different specific examples. The details in this specification may also be based on different viewpoints and applications, and various modifications and changes may be made without departing from the spirit of the creation; The drawings are for simplicity only and are not depicted in actual dimensions, i.e., the actual dimensions of the relevant components are not reflected. The following embodiments are intended to further explain the scope of this creation, but do not limit the scope of the creation in any way.

[First Embodiment]

Please refer to FIG. 1 to FIG. 4 , which are schematic and exploded views of the electrical connector of the present invention. As shown in the figure, the electrical connector 1 of the present invention comprises: an insulating base 10, a first terminal set 20, a second terminal set 30, a metal shielding partition 40, an annular shielding member 50, and an inner portion. A metal housing 60 and an outer metal housing 70. The first base set 20 and the second terminal set 30 are disposed in the insulating base 10, and the annular shield 50 is sleeved on one end of the insulating base 10, and the inner metal body 60 is correspondingly wrapped on the outside of the insulating base 10. The outer metal casing 70 is correspondingly covered outside the inner metal casing 60.

Further, please refer to FIG. 5 to FIG. 9 , which show the assembled and exploded schematic view of the insulating base 10 and the metal shielding spacer 40 . The insulating base 10 includes a first base portion 11 on the outer side and a second base portion 12 on the inner side. The first base portion 11 includes a first tongue portion 111 and a first bent portion 112. The first tongue portion 111 and the first bent portion 112 are perpendicularly connected to each other, and are collectively formed into an L shape. A first terminal group 20 is disposed in the first base portion 11. The first terminal group 20 includes a plurality of terminals (related specification terminals of the USB), and the two ends of the terminals are respectively exposed to the first tongue portion 111 and the first corner portion. Folding portion 112. The second base portion 12 includes a second tongue portion 121 and a second bent portion 122. The second tongue portion 121 and the second bent portion 122 are perpendicularly connected to each other and are formed in an L shape. A second terminal set 30 is disposed in the second base 12, and the second terminal set 30 includes a plurality of terminals (USB related specification terminals), and the ends Both ends of the sub-portion are respectively exposed to the second tongue portion 121 and the second bent portion 122. In a practical application, the first tongue portion 111 and the first bent portion 112 may be directly formed on the terminals of the first terminal group 20 by injection molding; the second tongue portion 121 and the second portion The bent portion 122 may be directly formed on the terminals of the second terminal group 30 by injection molding.

As shown in FIGS. 8 and 9, a wide side surface 111a of the first tongue portion 111 and a wide side surface 121a of the second tongue portion 121 have a plurality of fixing structures 1111, 1211, respectively, of the first tongue portion 111. The fixing structure 1111 can be mutually engaged with the fixing structures 1211 of the second tongue portion 121, and the first tongue portion 111 can thereby be fixed to each other with the second tongue portion 121. The appearance of the fixed structures can be designed according to requirements, and is not limited to the one shown in the figure.

A first accommodating groove 1121 is recessed in a wide side surface 112a of the first bent portion 112. The two first accommodating grooves 1121 are formed on the first bent portion 112 at intervals from each other, and the two first portions are formed. The accommodating slots 1121 respectively correspond to the portions of the two first grounding terminals 21 of the first terminal group 20; the second flank of the second bending portion 122 is concavely formed with two second accommodating slots 1221 spaced apart from each other. Each of the second accommodating slots 1221 corresponds to a portion of the two second ground terminals 31 exposing the second terminal group 30, as shown in FIGS. 5 and 6.

When the first tongue portion 111 and the second tongue portion 121 are fixed to each other, the first bending portion 112 is correspondingly disposed on one side of the second bending portion 122, and the two first receiving grooves 1121 and the two second receiving portions The groove 1221 is located on the side where the first bending portion 112 and the second bending portion 122 face each other, and the two first receiving grooves 1121 and the two second receiving grooves 1221 are not exposed to the first bending. The first accommodating groove 1121 and the two second accommodating grooves 1221 are disposed opposite to each other, and the two first accommodating grooves 1121 and the second The accommodating slots 1221 are in communication with each other; in other applications, the two first accommodating slots 1121 and the two second accommodating slots 1221 may not be located opposite each other, and the two first accommodating slots 1121 may not communicate with each other corresponding to the two second accommodating grooves 1221. In this embodiment, each of the first receiving slots 1121 The shape of each of the second accommodating grooves 1221 is exemplified by a rectangle, but is not limited thereto. In other applications, it may be changed according to requirements.

Referring to FIG. 8 to FIG. 10 together, the metal shielding spacer 40 is fixedly disposed between the first base portion 11 and the second base portion 12, and the metal shielding spacer 40 is correspondingly located between the first terminal group 20 and the second terminal group. 30. In practical applications, the metal shielding spacer 40 may have a plurality of fixing structures 401, and the fixing structures 401 of the metal shielding spacer 40 can correspond to the fixing structure 1111 or the second base of the first base 11. The fixing structures 1211 of 12 are engaged with each other.

The metal shield spacer 40 includes a main shield portion 41 and a sub shield portion 42. The main shield portion 41 and the sub shield portion 42 are perpendicularly connected to each other and formed in an L shape. The main shield portion 41 is correspondingly located on the first tongue portion 111 and Between the second tongue portions 121, the sub-shield portion 42 is located between the first bent portion 112 and the second bent portion 122. Preferably, the main shielding portion 41 can substantially shield the first tongue portion 111 and the second tongue portion 121, and the auxiliary shielding portion 42 can substantially shield the first bending portion 112 and the second bending portion 122.

As shown in FIG. 8 and FIG. 9, in a preferred application, the two sides of the second base 12 may further include an auxiliary fixing structure 123, and the two ends of the metal shielding partition 40 also have corresponding auxiliary limits. The positional structure 43 and the auxiliary limiting structure 43 of the metal shielding partition 40 can be mutually engaged with the auxiliary limiting structure 43 of the second base 12, so that the stability of the metal shielding partition 40 fixed to the second base 12 can be enhanced. For example, the auxiliary limiting structure 43 may be two opposite sides of the main shielding portion 41 of the metal shielding spacer 40, and the arm structures formed by bending to one side of the main shielding portion 41 respectively The auxiliary fixing structure 123 may be a groove corresponding to the second tongue portion 121; in addition, in other applications, the auxiliary fixing structure 123 may also be formed on the first tongue portion 111. No restrictions.

The auxiliary shielding structure 44 is formed in the two first receiving slots 1121 and the two second receiving slots 1221, and the four auxiliary structures 44 correspond to the two. Part of the first ground terminal 21 and two second connections Portions of the ground terminal 31 are in contact. Specifically, the two opposite narrow sides of the sub-shield portion 42 respectively have two auxiliary structures 44, and the two auxiliary structures 44 of the narrow sides of the metal shielding spacer 40 protrude from the metal shielding spacer 40, respectively. Two wide sides 40a; of course, the shape of each auxiliary structure 44 is not limited to that shown in the figures, which may vary as desired. In a preferred application, each of the auxiliary structures 44 may be an arm-shaped structure, and the two auxiliary structures 44 located on the same narrow side are corresponding to the two first accommodating slots 1121 and the second accommodating slots 1221 that are opposite to each other. Between the respective auxiliary structures 44 may be in a state of being pressurized, whereby each of the auxiliary structures 44 may be firmly pressed against its corresponding ground terminal by its own elastic force.

The two sides of the metal shielding partition 40 further comprise two shielding ground structures 45. The portions of the two shielding ground structures 45 are correspondingly exposed to the insulating base 10; the portions of the shielding grounding structures 45 can interact with the inner metal housing 60. Contact to achieve grounding effect. The appearance of the shield grounding structure 45 can be changed according to requirements, and is not limited to the one shown in the figure.

Referring to FIG. 11 and FIG. 12 together, in particular, the metal shielding spacer 40 is provided with a plurality of through holes 46 that are not in communication with each other at one end of the first tongue portion 111 and the second tongue portion 121, and the metal The shielding partition 40 has a plurality of notches 47 corresponding to one ends of the first tongue portion 111 and the second tongue portion 121; the ends of the remaining terminals of the first terminal group 20 other than the power supply terminal 22 may be correspondingly located in the through holes 46. On one side, the ends of the remaining terminals of the second terminal group 30 that are not the power terminals 32 may be corresponding to the other side of the through holes 46; the ends of the two power terminals 22 of the first terminal group 20 may be Corresponding to the side of the notch 47, the ends of the two power terminals 32 of the second terminal group 30 may be located on the other side of the notches 47. In this way, the effect of enhancing the mutual interference between the first terminal group 20 and the second terminal group 30 can be achieved.

Referring to FIG. 5 to FIG. 9 , in an actual application, the insulating base 10 further includes an auxiliary base 13 . The auxiliary base 13 and the first base 11 and the second base 12 are fixed to each other, and the auxiliary base 13 is fixed by several. Column 131, the fixing columns 131 are used Specifically, the auxiliary base portion 13 may be formed in a manner of injection molding directly on the outer periphery of the first base portion 11, the metal shield spacer 40, and the second base portion 12 which are fixed to each other.

Referring to FIG. 4, the annular shield 50 is a hollow structure, and can be correspondingly sleeved on the first tongue portion 111 and the second tongue portion 121, thereby enhancing the effect of the radio frequency shielding; wherein the annular shielding member The 50 series includes a plurality of fastening arms 51 and 52. The fastening arms 51 and 52 can be fixed to the plurality of fastening grooves 132 of the auxiliary base 13 , thereby reinforcing the annular shield 50 to be fixed to the insulating base 10 . stability. The number of the clamping arms 51, 52 and their appearance are not limited to those shown in the drawings, and may be changed according to requirements.

Referring to FIG. 1 to FIG. 3 , the inner metal shell 60 covers the insulating base 10 , and the inner metal shell 60 is in contact with the two shield grounding structures 45 exposed on the insulating base 10 , and the inner metal shell The inner side wall of 60 corresponds to the annular shield 50. When the inner metal casing 60 is disposed on the outer periphery of the insulating base 10, the first tongue portion 111 and the second tongue portion 121 are correspondingly located in a plug space SP formed in the inner metal casing 60. In a preferred application, the auxiliary base portion 13 further includes a plurality of limiting protrusions 133 and a plurality of limiting slots 134. The inner metal housing 60 has a limiting notch 61 corresponding to the limiting protrusion 133. The metal housing 60 has a plurality of limiting arms 62 corresponding to the limiting slots 134. When the inner metal housing 60 is fixedly disposed on the insulating base 10, the limiting protrusions 133 can be correspondingly locked to the limiting gaps 61. The portions of the limiting arms 62 can be correspondingly disposed in the limiting slots 134, thereby effectively strengthening the connection strength between the inner metal casing 60 and the insulating base 10. Of course, all of the structures of the auxiliary base 13 described above may also be formed directly on the first base 11. Further, the inner metal casing 60 has two shielding sidewalls 63 disposed opposite to each other. When the inner metal casing 60 is disposed corresponding to the cladding insulating base 10, the two shielding sidewalls 63 may correspondingly shield the first bending portions 112 from each other. The opposite sides and the opposite sides of the second bent portion 122 are opposite to each other, whereby the shielding effect of the inner metal casing 60 can be enhanced.

The outer metal casing 70 is disposed to cover a portion of the inner metal casing 60, and the outer metal casing 70 can shield a portion of the first bent portion 112 and a portion of the second bent portion 122. among them, The inner metal housing 60 and the outer metal housing 70 respectively have a housing fixing structure 64, 71. The housing fixing structure 64 of the inner metal housing 60 can be engaged with the housing fixing structure 71 of the outer metal housing 70. In a practical application, the housing fixing structure 71 of the outer metal housing 70 may be a through hole, and the housing fixing structure 64 of the inner metal housing 60 may correspond to a convex portion, but not limited thereto.

[Second embodiment]

Please refer to FIG. 13 to FIG. 16 together, which are an exploded perspective view of the electrical connector of the second embodiment of the USB electrical connector of the present invention, a side cross-sectional view of the metal shielding spacer, and an insulating base of the electrical connector. A schematic diagram of the combination of a seat, a metal shield partition and an inner metal casing. As shown in the figure, the difference between the embodiment and the foregoing embodiment is that the structural forms of the first base portion 11 ′, the second base portion 12 ′ and the metal shielding spacer 40 ′ of the electrical connector 1 ′ may be based on The first terminal group 20' and the second terminal group 30' are different from each other in the manner of connection with the circuit board. Specifically, the first embodiment has the first terminal group 20 and the second terminal group 30 respectively. The SMT and the DIP are fixedly disposed on the circuit board. In the second embodiment, the first terminal group 20' and the second terminal group 30' are fixed to the circuit board in an SMT manner.

As shown in the figure, the lengths of the first terminal set 20 ′ and the second terminal set 30 ′ of the first embodiment of the first bent portion 112 ′ and the second bent portion 122 ′ are respectively opposite to those of the foregoing embodiment. The length of the first bent portion 112' and the second bent portion 122' is also shorter than the foregoing embodiment, and the first bent portion 112' and the second bent portion 122' are not set. The first receiving groove 1121 and the second receiving groove 1221 are provided. Further, the auxiliary shield portion 42' of the metal shield spacer 40' does not have the auxiliary structure 44 described in the foregoing embodiment, and the length of the sub shield portion 42' of the metal shield spacer 40' is also relatively short. As in the previous embodiment, the sub-shield portion 42' of the metal shield spacer 40' is located on the portion of the first terminal group 20' facing the first bent portion 112' and the second terminal group 30' facing the second bend Between the portions of the folded portion 122', the first terminal set 20' and the second terminal set 30' can pass through the arrangement of the sub-shield portion 42' of the metal shield spacer 40' to achieve a better shielding effect. As shown in Fig. 16, the metal shield spacer 40' of this embodiment does not have The auxiliary structure 44 of the foregoing embodiment, and the metal shield spacer 40' of the present embodiment is directly in contact with the inner metal case 60' through the shield grounding structure 45' provided thereto to achieve the grounding effect. In addition, the annular shield 50' has a plurality of fastening arms 51', 52', and two sides of the inner metal casing 60' are respectively provided with a limiting notch 61' and a shielding sidewall 63'; other components of the embodiment are related to The foregoing embodiments are similar, and different structural types can be selected as needed.

In summary, the electrical connector with the metal shielded partition can effectively reduce the signal interference between the first terminal group and the second terminal group during the signal transmission of the electrical connector, especially It is a problem of crosstalk interference, which can effectively improve the overall signal transmission performance of the electrical connector, and achieve an electromagnetic shielding effect of increasing the electrical connector, which has practical value, and is legally filed according to law.

The above description is only a preferred embodiment of the present invention, and thus does not limit the scope of the present invention. Therefore, any equivalent technical changes made by using the present specification and the contents of the drawings are included in the scope of protection of the present invention. .

21‧‧‧First grounding terminal

31‧‧‧Second ground terminal

41‧‧‧Main Screening Department

44‧‧‧Auxiliary structure

70‧‧‧Outer metal casing

Claims (10)

An electrical connector includes: an insulating base, comprising: a first base portion, comprising a first tongue portion and a first bending portion, the first tongue portion and the first bending portion are mutually connected to each other The first base portion is provided with a first terminal group, and the two ends of the first terminal group are respectively exposed to the first tongue portion and the first bent portion; a second base portion The second tongue portion and the second bending portion are perpendicularly connected to each other to form an L-shape, and the second base portion is provided with a second terminal group. The two ends of the second terminal group are respectively exposed to the second tongue portion and the second bending portion; a metal shielding spacer is fixedly disposed between the first base portion and the second base portion, and the The metal shielding spacer is disposed between the first terminal group and the second terminal group, and the metal shielding spacer comprises a main shielding portion and a sub shielding portion, wherein the main shielding portion and the sub shielding portion are perpendicularly connected to each other Formed together as an L-shape, the main shield corresponding to the first tongue The second shielding portion is located between the first bending portion and the second bending portion; wherein the metal shielding partition further comprises two shielding ground structures, the shielding The grounding structure is correspondingly exposed to the insulating base, and the shielding grounding structure is in contact with the inner metal casing; and an inner metal casing is disposed to cover the insulating base, and the two shielding grounding portions are The inner metal shells are in contact with each other, and the first tongue portion and the second tongue portion are correspondingly located in a plug space formed in the inner metal shell. The electrical connector of claim 1, wherein the first terminal group comprises two first ground terminals, and the second terminal group comprises two second connections a grounding terminal; a wide side surface of the first bending portion is concavely formed with two first accommodating grooves, and the two first accommodating grooves are formed in the first bending portion at intervals from each other, and two of the two The first receiving groove corresponds to a portion exposing the two first grounding terminals; a wide side surface of the second bending portion is concavely formed with two second receiving grooves, and the two second receiving grooves are spaced apart from each other Formed in the second bent portion, and the two second receiving grooves correspond to portions exposing the two second ground terminals; the first base portion disposed outside the insulating base is disposed on the inner side of the insulating base The second base portions are fixedly disposed to each other, and the first tongue portion and the second tongue portion are disposed opposite to each other, the first bent portion and the second bent portion are disposed opposite to each other; the auxiliary shield portion is extended to form There are four auxiliary structures, and the auxiliary structures are correspondingly located in the two first receiving slots and the two second receiving slots, and the auxiliary structures correspond to the two portions and the two portions of the first grounding terminal. Portions of the second ground terminal are in contact. The electrical connector of claim 1, wherein the first base, the second base, and the metal shielding partition respectively have a fixing structure, and the fixing structure of the first base and the second base are fixed. The structure can be fixed to each other, and the fixing structure of the metal shielding partition can be fixed to each other with the fixing structure of the first base or the fixing structure of the second base; wherein the first base or the second base has an auxiliary fixing The metal shielding partition has an auxiliary limiting structure, and the auxiliary fixing structure of the first base or the auxiliary fixing structure of the second base can be mutually engaged with the auxiliary limiting structure. The electrical connector of claim 1, further comprising an annular shield, the insulating base further comprising an auxiliary base, the auxiliary base and the first base and the second base being fixed to each other, The auxiliary base has a plurality of fixing posts for fixing to a circuit board; the annular shielding member can be sleeved on the outer periphery of the first tongue portion and the second tongue portion, the annular shielding member The utility model comprises a plurality of fastening arms, wherein the fastening arms can be fixed to the auxiliary base. And the fastening arms are in contact with the inner side wall of the inner metal casing. The electrical connector of claim 4, wherein the auxiliary base includes a plurality of limiting protrusions and a plurality of limiting slots, and the inner metal housing has a limiting gap corresponding to the limiting protrusion. The inner metal housing has a plurality of limiting arms corresponding to the limiting slots. When the metal housing is fixedly disposed on the insulating base, the limiting protrusions can be correspondingly clamped to the limiting gap. The portion of the limiting arm can be correspondingly disposed in the limiting slots. The electrical connector of claim 1, further comprising an outer metal casing disposed to cover a portion of the inner metal casing, wherein the outer metal casing can shield a portion of the first bent portion And the second bending portion; wherein the inner metal housing and the outer metal housing respectively have a housing fixing structure, and the housing fixing structure of the inner metal housing and the outer metal housing The fixed structures are mutually rigid. The electrical connector of claim 1, wherein the inner metal housing has two shielding sidewalls disposed opposite each other, and the two shielding sidewalls correspond to at least two sides of the first bending portion opposite to each other. And a portion of the shielding sidewalls corresponding to at least a portion of the two sides opposite to each other. The electrical connector of claim 1, wherein the metal shielding partition has a plurality of perforations corresponding to one end of the first tongue and the second tongue, and the non-power terminal of the first terminal group The ends of the remaining terminals correspond to one side of the perforations, and the ends of the remaining terminals of the non-power terminals of the second terminal group are correspondingly located on the other side of the perforations, and the perforations do not communicate with each other. The electrical connector of claim 8, wherein the metal shielding partition has a plurality of notches corresponding to one end of the first tongue and the second tongue, and two power terminals of the first terminal group The end of the corresponding one of the gaps On the side, the ends of the two power terminals of the second terminal group are located on the other side of the gaps. The electrical connector of claim 2, wherein the first accommodating groove and the second accommodating groove correspond to each other, and the first base and the second base are fixed to each other The first accommodating groove and the corresponding second accommodating groove communicate with each other; the two opposite narrow sides of the metal shielding partition have two auxiliary structures respectively, and the narrow sides of the metal shielding partition Two of the auxiliary structures are respectively protruded from two wide sides of the metal shielding spacer.