TWI701879B - Connector assembly - Google Patents

Abstract

A connector assembly includes a metal shield. The metal shield includes a cover, a back cover, and a grounding piece. The cover has a top wall, a mounting side, and two side walls. The top wall, the mounting side and the two side walls jointly define an accommodating space extending in a front-to-rear direction, and the accommodating space has a front facing A front end opening and a rear end opening at the rear, the back cover and the grounding member are assembled at the rear opening of the cover, and the grounding member is provided with an elastic grounding finger row toward the mounting side.

Description

Connector assembly

The invention relates to a connector assembly, in particular to a connector assembly with a metal shield.

Chinese Invention Patent Publication No. CN100481643C (corresponding to US Invention Patent No. US7,473,130) discloses a shielding case. The metal sheet part (metal shielding case) of the shielding case includes a plurality of surface mount technology (SMT) pins. The pins are suitable for being soldered to the pads of the circuit board, and the surface mount technology pins are arranged close to each other to maintain a proper electromagnetic shield. However, due to the high coplanarity requirements of surface mount technology (SMT), a large number of the surface mount technology pins will increase the difficulty of manufacturing, and the surface is likely to cause problems of empty welding or warping during soldering. . Moreover, these large numbers of the surface mount technology pins and the thin metal plate part are integrally constructed. Since the thin metal plate part (metal shielding shell) usually needs to have high strength, its thickness needs to be thicker. In this case, the thickness of the surface assembly technology pins also increases, which makes the surface assembly technology pins difficult to shape, which increases the manufacturing difficulty and increases the rigidity; but if the thin metal plate part (metal shielding shell ), although the surface mount technology pins can be easily molded and are relatively elastic, the overall strength of the metal sheet part (metal shielding shell) will also be weakened in this case.

Therefore, an object of the present invention is to provide a connector assembly that can improve at least one of the problems in the prior art.

Therefore, in some embodiments, the connector assembly of the present invention includes a metal shield. The metal shield includes a cover, a back cover, and a grounding piece. The cover has a top wall, a mounting side, and two side walls. The top wall, the mounting side and the two side walls jointly define an accommodating space extending in a front-to-rear direction, and the accommodating space has a front facing A front end opening and a rear end opening at the rear, the back cover and the grounding member are assembled at the rear opening of the cover, and the grounding member is provided with an elastic grounding finger row toward the mounting side.

In some embodiments, the grounding member and the back cover are two single-piece and combined elements, the grounding member is provided on the bottom side of the back cover, and the thickness of the metal plate constituting the grounding member is smaller than that of the The thickness of the metal plate of the back cover.

In some embodiments, the grounding member includes a rear plate and two side plates extending forward from the rear plate, and the elastic grounding fingers are arranged on the bottom edge of the rear plate and the two side plates facing the mounting side.

In some embodiments, the mounting side of the cover has a bottom wall at the front and a bottom opening at the rear, and the elastic grounding finger row is located on both sides and the back side of the bottom opening.

In some implementations, the side walls of the metal shield and the back cover are provided with a plurality of ground pins arranged at intervals toward the mounting side, and the elastic ground finger row is located outside the ground pins.

In some embodiments, the two side plates of the grounding member are respectively assembled on the outer sides of the two side walls of the cover, and each side wall has a plurality of plug-in portions protruding outward, and each plug-in portion extends from back to front. shape A socket is formed, each side plate has a plurality of sockets recessed inward and respectively matched with the sockets, and each socket has a socket extending forward and inserted into the corresponding socket. Insert.

In some embodiments, the back cover has a back cover plate disposed at the rear end opening, an upper cover plate extending forward from the top edge of the back cover plate, and two sides of the back cover plate respectively Two side cover plates with front edges extending forward, the upper cover plate has an upper plate portion extending forward from the top edge of the rear cover plate, and two side plate portions respectively extending downward from both side edges of the upper plate portion .

In some embodiments, the upper cover plate further has a guiding edge extending forward and outwardly from the front edges of the upper plate portion and the two side plate portions.

In some embodiments, the front ends of the two side plate portions of the upper cover plate exceed the two side cover plates and the distance between the two side plate portions is smaller than the distance between the two side cover plates.

In some embodiments, each side cover plate further has a leading edge located at the front edge and extending forward and outward.

The present invention has at least the following effects: the elastic grounding finger row provided on the assembled grounding member can enhance the electromagnetic interference (EMI) prevention effect of the metal shield, and has better elasticity on the elastic grounding finger row Under the premise of maintaining the thickness and strength of the metal shielding cover. Furthermore, the assembled back cover and the grounding member are two single-piece and combined elements, and the thickness of the metal plate constituting the grounding member is smaller than the thickness of the metal plate constituting the back cover. On the premise that the elastic grounding finger row has better elasticity, the thickness and strength of the back cover are maintained.

10: Connector assembly

1: Metal shield

11: Hood

110: divider

111: top wall

111a: top opening

112: Installation side

112a: bottom wall

112b: bottom opening

113: Sidewall

113a: Socket

113b: jack

114: housing space

114a: Front opening

114b: rear opening

115: ground pin

116: fixed flap

12: back cover

121: rear cover

122: upper cover

122a: Upper board

122b: side panel

122c: The first leading edge

123: side cover

123a: The second leading edge

124: First Piercing

125: Ground pin

13: Grounding piece

131: Elastic ground finger

131a: Elastic ground finger

132: rear panel

133: side panel

133a: Insert

133b: Insert

134: Second Piercing

14: Front-end grounding element

141: Ground Shrapnel

D1: front and rear direction

D2: Up and down direction

D3: Left and right direction

Other features and effects of the present invention will be clearly presented in the embodiment with reference to the drawings, in which: FIG. 1 is a perspective view of an embodiment of the connector assembly of the present invention; A perspective view viewed from the perspective of 1 illustrates the mounting side of this embodiment; Figure 3 is a perspective view of the embodiment viewed from a perspective different from that of Figure 1, illustrating the front end opening of the embodiment; Figure 4 is a perspective view of Figure 1 Exploded view; FIG. 5 is a perspective view of the back cover and grounding member of this embodiment viewed from the front; FIG. 6 is a front view of the back cover and grounding member of this embodiment; and FIG. 7 is a further one of FIG. 4 The three-dimensional exploded view illustrates the back cover and the grounding member of this embodiment.

Before the present invention is described in detail, it should be noted that in the following description, similar elements are represented by the same numbers.

1 to 4, an embodiment of the connector assembly 10 of the present invention is suitable for plugging in a plug connector (not shown). The connector assembly 10 includes a metal shield 1 and a socket connector (Picture not shown).

The metal shield 1 is composed of a metal plate and includes a cover 11, a back cover 12, and a grounding member 13. The cover 11 extends along a front-to-rear direction D1 and has a top wall 111 and the top wall 111 A mounting side 112 opposite to each other at intervals along a vertical direction D2 and two side walls 113 opposite to each other at intervals along a left-right direction D3 and respectively connected to the top wall 111 and the mounting side 112. The top wall 111, the mounting side 112, and the two side walls 113 together define an accommodating space 114 extending along the front-rear direction D1. The accommodating space 114 has a front opening 114a facing the front, and a rear opening 114a. The rear end opening 114b, in this embodiment, the front end opening 114a is divided into two upper and lower front end sockets for the insertion of two plug connectors by the partition 110 extending along the left and right direction D3 and connected between the two side walls 113, The partition 110 may include a metal plate, a heat sink, a heat pipe, etc., but is not limited thereto. In an implementation aspect, the metal shielding cover 1 may not have the partition 110, that is, the accommodating space 114 may only have a front end opening as a front end socket. The side walls 113 of the metal shield 1 are provided with a plurality of ground pins 115 arranged at intervals toward the mounting side 112 and suitable for being fixed on a circuit board (not shown) and/or connected to ground tracks, and the cover The mounting side 112 of the body 11 has a bottom wall 112 a located at the front and connected to the bottom edges of the two side walls 113, and a bottom opening 112 b located at the rear and connected to the accommodating space 114. The socket connector is arranged in the rear section of the accommodating space 114. In detail, the socket connector is mechanically and electrically arranged on the aforementioned circuit board, and is covered by the metal shield 1 through the bottom opening 112b. Cover, so that the socket connector is arranged in the rear section of the accommodating space 114, but not limited to this. In addition, the metal shielding cover 1 further includes a plurality of front-end grounding elements 14 arranged at the front-end opening of the cover body 11, and each front-end grounding element 14 has a rear end extending from the front-end opening 114a and distributed on the cover body 11. A plurality of grounding elastic pieces 141 on the outside and the inside of the cover 11, the grounding elastic pieces 141 located outside the housing 11 are used to contact a casing (not shown), and the grounding elastic pieces 141 are located on the housing 11 The inner side is used to contact the plug connector. In addition, the top wall 111 of the cover 11 is formed to communicate with A top opening 111a of the accommodating space 114 is used for a heat dissipation module (not shown) assembled on the top wall 111 of the metal shield 1 to pass through so that the heat dissipation module extends into the container.置空间114.

Referring to FIGS. 1, 2 and 4 to 7, the back cover 12 and the grounding member 13 are assembled at the rear opening 114b of the cover 11, and the grounding member 13 is provided with elasticity toward the mounting side 112. The elastic grounding finger row 131 for elastic contact with the grounding pad (not shown) of the aforementioned circuit board, the elastic grounding finger row 131 has a plurality of elastic grounding fingers 131a closely arranged in a row. The thickness of the metal plate constituting the grounding member 13 is smaller than the thickness of the metal plate constituting the cover 11, and the elastic grounding finger row 131 provided on the assembled grounding member 13 and contacting the grounding pad of the aforementioned circuit board can be The EMI prevention effect of the metal shielding cover 1 is enhanced, and the thickness and strength of the cover body 11 of the metal shielding cover 1 are maintained under the premise that the elastic grounding finger row 131 has better elasticity. In this embodiment, the grounding member 13 and the back cover 12 are two single-piece and combined elements. For example, the grounding member 13 is provided on the bottom side of the back cover 12 from the rear by welding, and The thickness of the metal plate constituting the grounding member 13 is smaller than the thickness of the metal plate constituting the back cover 12. Since the assembled back cover 12 and the grounding member 13 are two single and combined elements, and the thickness of the metal plate constituting the grounding member 13 is smaller than the thickness of the metal plate constituting the back cover 12, the same can On the premise that the elastic grounding finger row 131 has better elasticity, the thickness and strength of the back cover 12 are maintained. However, it should be noted that, in a modified embodiment, the back cover 12 and the grounding member 13 may also be formed as an integral structure, which is not limited to this embodiment.

The back cover 12 has a rear cover 121 covering the rear end opening 114b, an upper cover 122 extending forward from the top edge of the rear cover 121, and two sides of the rear cover 121 respectively. The two side cover plates 123 opposite to each other in the left and right direction D3 extend forward, and the two side cover plates 123 respectively cover the The two side walls 113 of the cover body 11, the upper cover plate 122 has an upper plate portion 122a extending forward from the top edge of the rear cover plate 121 and covering the top wall 111 of the cover body 11, and respectively from the upper plate portion The two side plates 122b of 122a extend downward and are opposite to each other in the left-right direction D3. The two side plates 122b respectively cover the two side walls 113 of the cover 11, and the upper cover 122 and the The structure of the cover plates 123 on both sides can increase the assembly area between the back cover 12 and the cover 11 so as to strengthen the assembly strength between the back cover 12 and the cover 11. In detail, in this embodiment, the front ends of the two side plate portions 122b of the upper cover 122 exceed the two side cover plates 123, and the distance between the two side plate portions 122b is smaller than the distance between the two side cover plates 123 , And the upper cover 122 further has a plurality of first guiding edges 122c extending forward and outwardly from the front edges of the upper plate portion 122a and the two side plate portions 122b, and each side cover plate 123 also has a A second guiding edge 123a extends forward and outwards at the front edge, so that the back cover 12 is not easily jammed when assembled at the rear opening 114b of the cover 11, which is beneficial to the back cover 12 The assembly and more closely assembled on the rear end of the cover 11. The cover 11 also has a plurality of fixing flaps 116 extending rearward from the rear edges of the two side walls 113, and the back cover 12 is formed at the connection between the back cover plate 121 and the two side cover plates 123 for these A plurality of first perforations 124 through which the fixing flap 116 penetrates, the fixing flap 116 passes through the first perforations 124 and then bends inward and presses against the back cover 121 of the back cover 12 from behind To fix the back cover 12 to the cover 11. In addition, the back cover 12 is also provided with a plurality of ground pins 125 arranged at intervals toward the mounting side 112 and used for fixing to the aforementioned circuit board.

The grounding member 13 includes a rear plate 132 that is provided on the bottom side of the rear cover plate 121 of the rear cover by welding, for example, and extends along the left-right direction D3, and extends forward from the rear plate 132 and is respectively assembled in Two side plates 133 outside the two side walls 113 of the cover body 11. In detail, each side wall 113 There are a plurality of plug-in portions 113a protruding outward and arranged at intervals along the front-to-rear direction D1. Each plug-in portion 113a is formed with a hole 113b penetrating from the back to the front. A plurality of plug-in portions 133a that are matched with the plug-in portion 113a, each plug-in portion 133a has a plug piece 133b extending forward and inserted into the socket 113b of the corresponding plug-in portion 113a, through the aforementioned pluggable The structure enables quick and convenient assembly. In addition, the grounding member 13 is formed at the connection between the rear plate 132 and the two side plates 133 with two second holes corresponding to two of the first through holes 124 and for the fixing flaps 116 to penetrate and fix. Piercing 134. The elastic grounding finger row 131 is provided on the rear plate 132 and the two side plates 133 toward the bottom edge of the mounting side 112 and extends downward and outward, and the elastic grounding finger row 131 is located at the bottom opening 112b of the cover 11 The sides and back side. In this way, the elastic grounding finger row 131 surrounds the socket connector on three sides, thereby increasing the shielding effect around the socket connector. In addition, the elastic grounding finger row 131 is located outside the grounding pins 115, so as to produce a double-layered shielding effect inside and outside, and the elastic grounding finger row 131 has a greater arrangement density of the elastic grounding fingers 131a than those arranged at intervals. The feet 115 can further greatly enhance the shielding effect of the metal shielding shell.

In summary, the connector assembly 10 of the present invention can enhance the electromagnetic interference (EMI) prevention effect of the metal shield 1 through the elastic ground finger 131 provided on the assembled ground member 13, and On the premise that the elastic grounding finger row 131 has better elasticity, the thickness and strength of the cover body 11 of the metal shielding cover 1 are maintained. Furthermore, the assembled back cover 12 and the grounding member 13 are two single-piece and combined elements, and the thickness of the metal plate constituting the grounding member 13 is smaller than the thickness of the metal plate constituting the back cover 12. The ground energy maintains the thickness and strength of the back cover 12 on the premise that the elastic grounding finger row 131 has better elasticity.

However, the above are only examples of the present invention. When the scope of implementation of the present invention cannot be limited by this, all simple equivalent changes and modifications made in accordance with the scope of the patent application of the present invention and the content of the patent specification still belong to This invention patent covers the scope.

10: Connector assembly

1: Metal shield

11: Hood

111: top wall

111a: top opening

112: Installation side

112b: bottom opening

113: Sidewall

113a: Socket

113b: jack

114: housing space

114a: Front opening

114b: rear opening

115: ground pin

116: fixed flap

12: back cover

121: rear cover

122: upper cover

122a: Upper board

122b: side panel

122c: The first leading edge

123: side cover

123a: The second leading edge

124: First Piercing

125: Ground pin

13: Grounding piece

131: Elastic ground finger

132: rear panel

133: side panel

133a: Insert

133b: Insert

134: Second Piercing

14: Front-end grounding element

141: Ground Shrapnel

D1: front and rear direction

D2: Up and down direction

D3: Left and right direction

Claims (10)

A connector assembly that includes: A metal shielding cover includes a cover body, a back cover, and a grounding member. The cover body has a top wall, a mounting side, and two side walls. The top wall, the mounting side and the two side walls jointly define an edge An accommodating space extending in the front-to-rear direction, the accommodating space having a front opening facing the front and a rear opening at the rear, the back cover and the grounding member are assembled at the rear opening of the cover, and The grounding piece is provided with an elastic grounding finger row toward the installation side. The connector assembly according to claim 1, wherein the grounding member and the back cover are two single-piece and combined elements, the grounding member is provided on the bottom side of the back cover, and the metal forming the grounding member The thickness of the plate is smaller than the thickness of the metal plate constituting the back cover. The connector assembly according to claim 2, wherein the grounding member includes a rear plate and two side plates extending forward from the rear plate, and the elastic grounding fingers are arranged on the rear plate and the side plates facing the The bottom edge of the mounting side. The connector assembly according to claim 3, wherein the mounting side of the cover has a bottom wall at the front and a bottom opening at the rear, and the elastic grounding fingers are located on both sides of the bottom opening and behind the bottom opening. side. The connector assembly according to claim 4, wherein the side walls of the metal shield and the back cover are provided with a plurality of ground pins arranged at intervals toward the mounting side, and the elastic ground fingers are located on the ground pins Outside. The connector assembly according to claim 5, wherein the two side plates of the grounding member are respectively assembled on the outer sides of the two side walls of the cover, and each side wall has a plurality of plug portions protruding outward, and each plug The connecting portion forms a socket from the back to the front, and each side plate has a plurality of inserting portions recessed inward and respectively matched with the inserting portions, and each inserting portion has a forward extension and is inserted into the corresponding inserting portion. An insert for the socket of the part. The connector assembly according to any one of claims 1 to 6, wherein the back cover has a back cover plate provided at the rear end opening, and an upper cover extending forward from the top edge of the back cover plate Plate, and two side cover plates respectively extending forward from both side edges of the rear cover plate, the upper cover plate has an upper plate portion extending forward from the top edge of the rear cover plate, and respectively from the upper plate portion Two side plates extending downwards on both sides of the edge. The connector assembly according to claim 7, wherein the upper cover plate further has a leading edge extending forward and outwardly from the front edges of the upper plate portion and the two side plate portions. The connector assembly according to claim 8, wherein the front ends of the two side plate portions of the upper cover plate exceed the two side cover plates, and the distance between the two side plate portions of the upper cover plate is smaller than that between the two side cover plates Pitch. The connector assembly according to claim 9, wherein each side cover plate further has a leading edge located at the front edge and extending forward and outward.

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