CN209880873U - Electrical connector assembly - Google Patents

Abstract

The utility model provides an electric connector assembly, it include insulator, a plurality of conductive terminal and cladding in the outer casing that shields of insulator, conductive terminal includes and is two rows of settings in order to adapt to connector both-way male first terminal group and second terminal group along the direction of height, insulator includes the main part and is located the main part front side and is formed with accommodating space's butt joint portion, and each conductive terminal has the elasticity contact arm that the projection goes into accommodating space, is fixed in insulator's holding portion and the terminal foot that extends backward from holding portion, electric connector assembly still has the flexible line way board subassembly that links to each other with the terminal foot and wraps the connecting portion position of terminal foot and flexible line way board subassembly in dustcoat wherein. The utility model discloses electric connector assembly's terminal foot links to each other with flexible line way board assembly, and the connection position is by the dustcoat cladding, not only realizes good electromagnetic shield effect and electrical property, adaptable different grafting direction moreover.

Description

Electrical connector assembly

Technical Field

The utility model relates to an electric connector subassembly.

Background

With the rapid development of science and technology in the electronic industry, the volume of electronic products is developed along the trend of being thinner, thinner and shorter, which requires smaller and smaller components of the electronic products, and the connector industry is the first place.

This results in better mechanical performance requirements and higher product design difficulties due to the smaller size requirements of the new generation of USB Type-C connectors. In order to face thinner and thinner equipment and ensure the reliability of a product structure, various manufacturers have proposed corresponding structural designs.

The existing USB Type-C plug connector may need to be used as an extension connector or cover a metal shell at the periphery thereof to achieve corresponding functions due to requirements of application environments, and the structural form and the matching manner of the metal shell become more important.

Accordingly, there is a need for an improved electrical connector assembly that solves the above problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an electric connector subassembly.

In order to achieve the above object, the present invention provides an electrical connector assembly, which comprises an insulating body, a plurality of conductive terminals fixed in the insulating body, and a shielding shell covering the insulating body, the conductive terminals comprise a first terminal group and a second terminal group which are arranged in two rows along the height direction so as to be suitable for the bidirectional insertion of the corresponding connector, the insulating body comprises a main body part and a butt joint part which is positioned at the front side of the main body part and is provided with a containing space, each conductive terminal is provided with an elastic contact arm which protrudes into the containing space, a holding part which is fixed on the insulating body and a terminal pin which extends backwards from the holding part, the electric connector assembly is also provided with a flexible circuit board assembly connected with the terminal pins and a cover for covering the connecting parts of the terminal pins and the flexible circuit board assembly.

As a further improvement of the present invention, the flexible circuit board assembly has a connecting portion mechanically and electrically connected to the terminal pins, the connecting portion being located between the terminal pins and the housing.

As a further improvement of the present invention, the housing is made of a metal material.

As a further improvement of the present invention, in the docking direction of the conductive terminals, the rear surface of the connecting portion and the outer cover leave a space therebetween.

As a further improvement, the first and second terminal sets include a pair of ground terminals located at the outermost side and a pair of power terminals located at the inner side of the ground terminals, and the connecting portion is provided with a welding portion electrically connected to the terminal pins of the ground terminals.

As a further improvement of the present invention, the flexible printed circuit board assembly is telescopically received in the outer cover.

As a further improvement of the present invention, the housing has an extension portion parallel to the docking direction, and the flexible circuit board assembly extends outward from the extension portion.

As a further improvement of the present invention, the flexible printed circuit board assembly has a flexible printed circuit board and a reinforcing plate connected to the flexible printed circuit board, the flexible printed circuit board has a connection end connected to the terminal pins and a connection end for connecting to the docking element.

As a further improvement of the present invention, the reinforcing plate is formed with the connecting end together with the connecting portion, the welding portion is the perforation set up on the connecting end.

As a further improvement of the present invention, the connecting end and the inserting end are relatively disposed at the two ends of the flexible printed circuit board.

The utility model has the advantages that: the utility model discloses electric connector assembly's terminal foot links to each other with flexible line way board assembly, and the connection position is by the dustcoat cladding, not only realizes good electromagnetic shield effect and electrical property, adaptable different grafting direction moreover.

Drawings

Fig. 1 is a perspective assembly view of the electrical connector assembly of the present invention.

Fig. 2 is a view of the electrical connector assembly of fig. 1 from another perspective.

Fig. 3 is an exploded perspective view of the electrical connector assembly shown in fig. 1.

Fig. 4 is a view of the electrical connector assembly of fig. 3 from another perspective.

Fig. 5 is an exploded perspective view of the electrical connector assembly of fig. 1 with the housing and the flexible circuit board removed.

Fig. 6 is a perspective assembled view of the electrical connector assembly of fig. 1 with the housing removed.

Fig. 7 is an exploded view of the electrical connector assembly of fig. 6 with the housing removed.

Fig. 8 is a view from another perspective of the electrical connector assembly of fig. 7 with the housing removed.

Fig. 9 is a cross-sectional view of the electrical connector assembly of fig. 6 with the housing removed and with a portion broken away.

Fig. 10 is a schematic cross-sectional view of a portion of the electrical connector assembly shown in fig. 1.

Detailed Description

The present invention will be described in detail below with reference to embodiments shown in the drawings. However, the present invention is not limited to the embodiment, and the structural, method, or functional changes made by those skilled in the art according to the embodiment are all included in the scope of the present invention.

Referring to fig. 1 to 10, an electrical connector assembly 100 according to a preferred embodiment of the present invention is shown, wherein the electrical connector assembly 100 includes an insulating housing 1, a plurality of conductive terminals 2 fixed in the insulating housing 1, and a shielding shell 3 covering the insulating housing 1.

The insulation body 1 comprises a main body part 11 and a butt joint part 12 which is located at the front side of the main body part 11 and is formed with an accommodating space 120, wherein the main body part 11 and the butt joint part 12 are integrally arranged in an elliptic column shape, and the accommodating space 120 which is arranged in a forward opening mode is formed on the inner side of the butt joint part 12 so as to allow the butt joint socket connector to be inserted in a forward direction or a reverse direction.

A plurality of terminal receiving grooves 10 are respectively formed on the inner sides of the top wall and the bottom wall of the insulating housing 1, and the terminal receiving grooves 10 extend forward from the rear end surface 130 of the mounting portion 13 of the insulating housing 1 to the inner side of the abutting portion 12 and communicate with the receiving space 120. In this embodiment, the terminal receiving grooves 10 formed on the top wall of the insulating housing 1 are communicated with the corresponding terminal receiving grooves 10 formed on the bottom wall in the height direction; in other embodiments, the terminal receiving grooves 10 on the top wall and the corresponding terminal receiving grooves 10 on the bottom wall may be independent from each other in the height direction, i.e., not connected.

The conductive terminals 2 include a first terminal group 21 and a second terminal group 22 arranged in two rows along the height direction to adapt to the bidirectional insertion of the connector, the first and second terminal groups 21 and 22 each include a pair of ground terminals located at the outermost side and a pair of power terminals located at the inner side of the ground terminals, and the signal terminals at the inner side of the power terminals can be arranged according to the application requirements.

Each of the conductive terminals 2 has an elastic contact arm 201 protruding into the receiving space 120, a holding portion 202 fixed in the terminal receiving slot 10 of the insulating housing 1, and a terminal pin 203 extending backward from the holding portion 202, wherein the contact arms 201 are arranged in two rows opposite to each other on the upper side and the lower side of the receiving space 120.

The positions of the contact portions 2011 of the first terminal set 21 and the second terminal set 22 on the insulative housing 1 are the same as the positions of the mating portions of the corresponding terminals on the standard USB Type-C plug connector.

In the illustrated embodiment of the present invention, the electrical connector assembly 100 is not provided with a conventional latch arm; in other embodiments, a pair of latch arms located outside the conductive terminal 2 may be provided according to the use requirement.

The front end of the shielding shell 3 is provided with an oval butt joint frame port which is consistent with a butt joint frame port of a standard USB Type-C plug connector, and the butt joint frame port is used for the forward and reverse insertion matching of the butt joint socket connector and has the advantage of convenience in use due to the fact that the forward and reverse insertion is applicable.

The shielding shell 3 is made of a metal material, and includes a frame portion 31 at a front end thereof and a pair of extending pieces 32 integrally extending rearward from a rear end of the frame portion 31, and the pair of extending pieces 32 are oppositely disposed on both sides of the frame portion 31 in a transverse direction. When the shielding shell 3 is sleeved outside the insulating body 1, the pair of extending pieces 32 extend rearward beyond the rear end surface 130 of the insulating body 1, and the portions of the pair of extending pieces 32 exposed at the rear side of the insulating body 1 are inserted into and positioned in the corresponding limiting grooves 132 disposed at the two sides of the mounting portion 13.

The shielding shell 3 further has at least one pair of supporting flaps 34 integrally folded and extended from the rear end of the frame portion 31, the supporting flaps 34 are bent and exposed at two sides of the frame portion 31 in the height direction, and each supporting flap 34 extends in the height direction.

Further, in the present embodiment, the shield case 3 has a seamless structure by drawing.

The electrical connector assembly 100 further has a housing 4 for enclosing the terminal pins 203 of the conductive terminal 2 therein, the housing 4 has a first side close to the shielding shell 3 and a second side far away from the shielding shell 3, and the first side and the second side are two sides of the housing 4 disposed oppositely. Further, the housing 4 is made of a metal material, and preferably an alloy material; and more preferably a zinc alloy material.

Meanwhile, the housing 4 has a first cover 41 and a second cover 42 assembled with each other, and a joint surface G of the first cover 41 and the second cover 42 is located on a first side of the housing 4. Specifically, the joint surface G of the first cover 41 and the second cover 42 is a surface where a joint portion of the two is located, and in this embodiment, the joint surface forms a U-shaped structure.

The outer edge 410 of the first cap 41 projects outwardly beyond the corresponding outer edge 420 of the second cap 42. In addition, in the present embodiment, the outer edge 410 of the first cover 41 has the same configuration as the outer edge 420 of the second cover 42.

The first cover 41 has a mounting space 411 formed by recessing from the first side toward the second side, and an accommodating space 412 communicating with the mounting space 411, and the second cover 42 is fitted into the mounting space 411 and covers the terminal pins 203 from the first side.

The second cover 42 has a mounting groove 421 formed therethrough for receiving the shielding housing 3 therein.

Further, the second cover 42 further has a first shielding wall 422 and a second shielding wall 423 disposed at an angle, the first shielding wall 422 and the first cover 41 are assembled and matched to shield the terminal pin 203 in a first direction, and the second shielding wall 423 extends from a side of the first shielding wall 422 close to the shielding shell 3 toward the shielding shell 3 to shield the terminal pin 203 in a second direction. In addition, the second shielding wall 423 abuts against a front surface of the stopper 34 to restrict the shielding housing 3 from moving forward.

The first housing 41 further has a bottom base 413, a first extending portion 414 disposed at an angle to the bottom base 413, and a first engaging portion 415 connecting the bottom base 413 and the first extending portion 414, wherein the receiving space 412 is formed in the bottom base 413 and is further formed by being recessed from the mounting space 411.

In this embodiment, the outer surfaces of the bottom bracket 413 and the first engaging portion 415 on the second side are smooth. Specifically, the shoe 413 and the first engaging portion 415 are smoothly transitionally connected, and the outer surfaces of both on the second side constitute an outwardly arched, continuous, smooth curved surface.

The second cover 42 further has a bottom cover 424, a second extension 425 disposed at an angle to the bottom cover 424, and a second engagement portion 426 connecting the bottom cover 424 and the second extension 425, wherein the bottom cover 424 is penetrated by the mounting groove 421.

Further, the electrical connector assembly 100 further has a flexible circuit board assembly 5 connected to the terminal pins 203, the housing 4 has an extension portion parallel to the mating direction, and the flexible circuit board assembly 5 extends outward from the extension portion. In particular, the extension comprises the first and second extensions 414, 425 assembled to each other.

The flexible circuit board assembly 5 extends outwardly from the housing 4 between the first and second extensions 414,425 for contacting mating components.

In this way, the housing 4 of the electrical connector assembly 100 has a two-piece structure, and the joint surface G of the first cover 41 and the second cover 42 is disposed at a side close to the shielding shell 3, so that the outer surface of the electrical connector assembly 100 has a seamless structure, a simple structure and a better hand feeling.

The electrical connector assembly 100 further has a flexible circuit board assembly 5 connected to the terminal pins 203 of the conductive terminals 2, and the housing 4 encloses the connecting portions of the terminal pins 203 and the flexible circuit board assembly 5. Further, the flexible printed circuit board assembly 5 has a hard connecting portion 501 mechanically and electrically connected to the terminal pin 203 and a soft extending portion 502 extending from the connecting portion 501, so that the terminal pin 203 can be firmly combined with the flexible printed circuit board assembly 5 to prevent the connection portion between the two from loosening and even causing poor electrical contact.

In the mating direction of the conductive terminals 2, the connecting portion 501 is located between the terminal pin 203 and the housing 4. Further, in the butt joint direction of the conductive terminals 2, a space is left between the rear surface of the connecting portion 501 and the outer cover 4, so that a certain electrical gap exists between the connecting portion 501 and the outer cover 4, and further the electrical performance and the safety of the product are ensured.

In this embodiment, the extending direction of the terminal pin 203 is perpendicular to the mating direction of the contact arm 201, and the terminal pin 203 is flatly attached to the connecting portion 501. In other embodiments of the present invention, the extending direction of the terminal pin 203 may also be the same as the butting direction of the contact arm 201, and the terminal pin 203 is inserted into and welded to the connecting portion 501.

Further, in the mating direction, the terminal pins 203 are located on one side of the connecting portion 501, and the connecting portion 501 is provided with a plurality of conductive sheets 503 corresponding to the terminal pins 203 to contact with the corresponding terminal pins 203. The connecting portion 501 is provided with a soldering portion electrically connected to the terminal pin 203 of the ground terminal.

Specifically, in the first embodiment of the present invention, the flexible printed circuit board assembly 5 has a flexible printed circuit board 51 and a reinforcing plate 52 connected to the flexible printed circuit board 51, the flexible printed circuit board 51 has a connecting end 511 connected to the terminal pins, the reinforcing plate 52 and the connecting end 511 are stacked to form the connecting portion 501, and in this embodiment, the welding portion on the connecting portion 501 is a through hole 5111 formed on the connecting end 511.

In this embodiment, the connection end 511 is sandwiched between the reinforcing plate 52 and the terminal pin 203 in the mating direction. Further, the orthographic projection of the terminal pin 203 on the reinforcing plate 52 falls completely inside the reinforcing plate 52 to ensure the bonding strength of the terminal pin 203 with the connecting portion of the connecting portion 501.

The connecting end 511 is provided with a pair of limiting holes 5112 located at two sides in the transverse direction, and the pair of extending pieces 32 of the shielding shell 3 pass through the limiting grooves 132 and then extend backwards into the corresponding limiting holes 5112.

The reinforcing plate 52 is concavely formed with a pair of receiving holes 521 at both sides in the transverse direction thereof, and the receiving holes 521 are aligned with the corresponding limiting holes 5112 at both sides of the connecting end 511 for the extension piece 32 to be inserted backwards. In addition, the reinforcing plate 52 further has a plurality of receding grooves 522 formed inside the pair of receiving holes 521, and the receding grooves 522 and the through holes 5111 are aligned along the abutting direction to receive solder when the soldering portion is soldered to the terminal pins 203, so as to enhance the bonding force between the reinforcing plate 52 and the connecting end 511; when the extending direction of the terminal pin 203 is the same as the mating direction of the contact arm 201, the terminal pin 203 is inserted into the through hole 5111 and then inserted into the receding groove 522.

The flexible circuit board 51 further has a plug terminal 512 disposed opposite to the connection terminal 511 for being connected to a docking element, and the plug terminal 512 is flat and has a plurality of gold fingers 5121 distributed on the front and back surfaces thereof.

The golden finger 5121 on the same side comprises a ground plate 5121a and a power plate 5121b which are respectively arranged on two sides of the golden finger, and at least one pair of signal plates 5121c which are arranged between the ground plate 5121a and the power plate 5121 b.

The flexible circuit board assembly 5 has a telescopic portion 513 telescopically received in the housing 4, so that the length of the insertion end 512 extending from the telescopic portion is adjustable to meet different application requirements.

In addition, in the second embodiment of the present invention, the positions of the reinforcing plate 52 and the connecting end 511 may be exchanged, that is, the reinforcing plate 52 may also be sandwiched between the connecting end 511 and the terminal pin 203 in the mating direction.

In the third embodiment of the present invention, the connecting portion 501 may also have a certain bending resistance so as to be rigid and non-bendable, and the extending portion 502 may also be integrally bent and extended from the connecting portion 501, without providing a separate reinforcing plate.

The utility model discloses in, the terminal foot 203 of electric connector subassembly 100 with flexible circuit board subassembly 5 links to each other, and connects the position quilt 4 cladding of dustcoat not only realizes good electromagnetic shield effect and electrical property, adaptable different grafting direction moreover.

The above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solutions of the present invention can be modified or replaced equivalently without departing from the spirit and scope of the technical solutions of the present invention.

Claims (10)

1. An electric connector assembly, it has insulated body, fix to several conductive terminals in the said insulated body and cover the body of the shielding outside the said insulated body, the said conductive terminal includes being two rows of arrangement in order to adapt to the first terminal group and second terminal group that the connector is inserted bidirectionally along the direction of height, the said insulated body includes the main body portion and locates at the said main body portion front side and forms the butt-joint portion which accommodates the space, each said conductive terminal has elastic contact arm that the projection enters the said accommodating space, fix to the holding part of the said insulated body and from the terminal foot that the said holding part extends backward, characterized by that: the electric connector assembly is also provided with a flexible circuit board assembly connected with the terminal pins and a cover for covering the connecting parts of the terminal pins and the flexible circuit board assembly.

2. The electrical connector assembly of claim 1, wherein: the flexible circuit board assembly is provided with a connecting part which is mechanically and electrically connected with the terminal pin, and the connecting part is positioned between the terminal pin and the outer cover.

3. The electrical connector assembly of claim 2, wherein: the housing is made of a metal material.

4. The electrical connector assembly of claim 3, wherein: in the butt joint direction of the conductive terminals, a space is reserved between the rear surface of the connecting part and the outer cover.

5. The electrical connector assembly of claim 4, wherein: the first terminal group and the second terminal group respectively comprise a pair of grounding terminals located on the outermost sides and a pair of power terminals located on the inner sides of the grounding terminals, and the connecting portion is provided with a welding portion electrically connected with the terminal pins of the grounding terminals.

6. The electrical connector assembly of claim 4, wherein: the flexible circuit board assembly is telescopically received in the housing.

7. The electrical connector assembly of claim 6, wherein: the outer cover is provided with an extension part parallel to the butt joint direction, and the flexible circuit board assembly extends outwards from the extension part.

8. The electrical connector assembly of claim 5, wherein: the flexible circuit board assembly is provided with a flexible circuit board and a reinforcing plate connected with the flexible circuit board, and the flexible circuit board is provided with a connecting end connected with the reinforcing plate and the terminal pin and a plug-in end used for butting with a butting element.

9. The electrical connector assembly of claim 8, wherein: the reinforcing plate and the connecting end jointly form the connecting portion, and the welding portion is a through hole formed in the connecting end.

10. The electrical connector assembly of claim 9, wherein: the connecting end and the inserting end are oppositely arranged at two ends of the flexible circuit board.