KR200239655Y1 - Shielded electrical connector - Google Patents

Abstract

The shielded electrical connector 1 of the present invention has an insulating housing 10 having mating portions 11 defining a passageway 111, a plurality of terminals received in the corresponding passageway, and a shield surrounding the housing ( 50). A rectangular receiving opening 521 is defined in the front face 52 of the shield to expose the mating portion of the housing to the complementary plug connector. The rectangular receiving opening is defined by a pair of opposing side edges 56, 58 and a pair of longitudinal edges 57, 59. Each of the pair of spring fingers 524, 524 'extends staggered backwards from the side edges. Each spring finger has a length substantially equal to the length of each longitudinal edge, so that the complementary plug connector is reliably positioned within the mating position.

Description

Shielded Electrical Connector {SHIELDED ELECTRICAL CONNECTOR}

The present invention relates to a shielded electrical connector, in particular a shielded Universal Serial Bus (USB) connector, wherein a spring finger is provided on the shield to reliably ensure the connection between the USB connector and the complementary plug connector. To have.

USB connectors are increasingly used in the field of electrical connectors, and are used to integrate other types of I / O connectors, such as D-sub connectors and Mini-Dins, into a standard form. Shields are often used to enclose the USB connector housing for protection against electromagnetic interference. In order to reliably ensure the connection between the USB connector and the complementary plug connector, a plurality of spring fingers are integrally stamped on the outer circumferential surface of the USB connector shield for connection with the complementary plug connector, whereby the complementary plug connector Keep in a mated position. Such designs are disclosed in US Pat. Nos. 5,738,544 and 5,779,489 and 5,928,035. The disadvantage of this design is that it is complicated to manufacture because an iterative stamping process is required. In addition, the shielding performance is also lowered.

Another relatively simple approach to holding the complementary plug connector in place includes a pair of opposing rearwardly extending spring fingers at opposite side edges of the rectangular opening of the shield applied to receive the complementary plug connector. will be. Associated designs are disclosed in US Pat. Nos. 5,083,945 and 5,207,597 and 5,378,172. By the way, the pair of spring fingers are stamped from the shield and are typically arranged symmetrically so that the sum of the lengths of the spring fingers is limited to the length of the longitudinal edge by the rectangular opening. Thus, the holding force of the spring finger may be insufficient to reliably hold the complementary plug connector in place.

Therefore, it is desirable to have a shield with a pair of spring fingers each having a length sufficient to reliably hold the complementary plug connector in place.

It is therefore an object of the present invention to provide a USB connector with a shield, the shield having a pair of spring fingers, each of which is of sufficient length to ensure a reliable connection between the USB connector and the complementary plug connector. To have.

Another object of the present invention is to provide a USB connector having a shield that provides complete shielding.

Another object of the present invention is to provide a USB connector having a shield of simple structure that can be easily manufactured.

1 is an exploded perspective view of a USB connector of the present invention,

Figure 2 is a view of the component of Figure 1 assembled;

3 is a rear perspective view of FIG. 2;

4 is a front view of the USB connector shield shown in FIG. 1;

5 is a cross-sectional view taken along line 5-5 of FIG. 4.

In order to achieve the above object, the shielded electrical connector of the present invention comprises an insulating housing having mating portions defining a plurality of passages, a plurality of terminals received in the corresponding passages, and a housing for protection against electromagnetic interference. It has an enclosed shield. A rectangular receiving opening is defined in the front side of the shield to expose the mating portion of the housing to the complementary plug connector. The rectangular receiving opening is defined by a pair of opposing side edges and a pair of longitudinal edges. Each of the pair of spring fingers extends staggered backwards from the side edges. Each spring finger has a length that is substantially equal to the length of each longitudinal edge, so that the complementary plug connector is reliably positioned in the mating position.

(Example)

Referring to FIG. 1, the USB connector of the present invention includes an insulating housing 10, a plurality of terminals 20 received in the housing 10, a pair of bushings 30 held in the housing 10, and a housing ( And a shield 50 enclosing the housing 10.

The housing 10 defines an incision 101 in the center, which is provided with a mating portion 11 extending forward to receive a complementary plug connector (not shown). A plurality of passages 111 are defined in the mating portions 11 for receiving the terminals 20. A pair of side portions 12, 13 of similar construction are provided on opposite sides of the incision 101, with each side portion defining a channel 121, 131 for receiving the bushing 30, respectively. Each channel 121,132 has a front widened portion 123,133. A pair of ribs 122 and 132 are formed on the rear ends of the side portions 12 and 13, respectively, by a distance substantially equal to the length of the positioning panel 40 to hold the positioning panel 40 therebetween. Spaced apart.

Each terminal 20 has a front contact 21 for mating with a corresponding terminal (not shown) of the complementary plug connector, a central retainer 22 for holding the contact 20 in the housing 10 and And a rear solder tail 23 extending rearward from the housing 10 for surface mounting on a printed circuit board (not shown) on which the connector is mounted.

The bushing 30 has a large end 31 at the front and a small end 33 at the rear. The front large sized end 31 is adapted to connect with the corresponding forward widened portions 123, 133 of the channels 121, 131 in the housing 10, so that the bushing 30 is securely retained in the housing 10. .

The positioning panel 40 is adapted to be positioned between the ribs 122, 132 of the housing 10, with posts 41 adjacent to each end to be retained at the small size end 33 behind the corresponding bushing 30. To form. A recess 42 for the extension of the rear solder tail 23 of the terminal 20 is defined at the bottom edge of the positioning panel 40.

3, the shield 50 is stamped with a metal sheet, the upper surface 51, the front surface 52, the pair of side surfaces 53, the rear surface 54, and the bottom surface ( 55) so that complete shielding of the housing 10 can be achieved.

Each side 53 is a horizontally bent trunnion 532 defined with a downwardly extending positioning member 531 inserted into a corresponding hole in the printed circuit board and a hole 5321 for receiving the fixing means. It is provided. Positioning member 531 and trunnion 532 are adapted to cooperatively mount the assembled connector on the printed circuit board. The bending line of the trunnion 532 is provided and reinforced.

As clearly shown in FIG. 3, the rear surface of the shield 50 is a pair of first tags 541 extending downward from the top surface 51 and a pair of upwards extending from the bottom surface 55. A second tag 542 is provided. Each first tag 541 has an outer edge that abuts the inner surfaces of the corresponding ribs 122, 132 of the housing 10, and each of the second tags 542 is spaced apart from the corresponding ribs 122, 132. The first and second tags 541, 542 are cooperatively applied to further maintain the positioning panel 40 in the repositioned position relative to the housing 10, thereby preventing rearward displacement of the terminal 20, whereby the solder tail The soldering process of 23 becomes easy.

2, the front face 52 of the shield 50 has a pair of receiving holes aligned with the respective channels 121, 131 of the housing 10 for the extension of the auxiliary latching means of the complementary plug connector. (522,523) is defined. A rectangular receiving opening 521 is defined in the front face 52 for exposing the mating portion 11 of the housing 10 to the complementary plug connector.

4 and 5, the rectangular receiving opening 521 is defined by a pair of opposing side edges 56,58 and a pair of opposing longitudinal edges 57,59. . A pair of guiding tongues 525, 526 extends forward from the longitudinal edges 57, 59, respectively, each edge having an inclined surface 5251 to facilitate insertion of the complementary plug connector. In order to keep the inserted complementary plug connector in mating position, a pair of spring fingers 524, 524 'are integrally stamped with shield 50 and extend rearward from side edges 56, 58, respectively. In particular, the spring fingers 524, 524 'are staggered and have curved free ends 5240, 5240' extending toward each other.

By this design, a sufficient length of each spring finger 524, 524 'substantially equal to the length of each longitudinal edge 57, 59 is achieved, thereby connecting the connection between the USB connector 1 and the complementary plug connector. Guaranteed reliably That is, staggered spring fingers 524, 524 'are provided so that the complementary plug connector remains very simple but effective and reliable in the USB connector 1 without any modification of the rest.

Although a number of features and advantages of the invention have been described in connection with the construction and function of the invention, the disclosed subject matter is merely one embodiment of the invention, and various modifications, in particular in shape and size, are within the spirit and scope of the invention. And various modifications in the arrangement of parts.

As described above, according to the present invention, a shield having a pair of spring fingers, each of which provides a complete shield to be of sufficient length to ensure a reliable connection between the USB connector and the complementary plug connector. It is effective to provide a USB connector having.

In addition, according to the present invention, there is an effect of providing a USB connector having a shield of a simple structure that can be easily manufactured.

Claims (8)

An insulated housing having mating portions in which a plurality of passages are defined, A plurality of terminals received in corresponding passages of the mating portion, A rectangular receiving opening having at least a front surface and an upper surface and a pair of side surfaces, the front surface of which exposes a mating portion of the housing to a complementary connector, the rectangular receiving opening being a pair of opposing pairs; And a pair of opposing longitudinal edges, each pair of spring fingers having a shield enclosing a housing extending rearward from the side edges, A pair of spring fingers are staggered, each spring finger having a length substantially equal to the length of each longitudinal edge to ensure a reliable connection between the complementary connector and the mating portion of the housing. Shielded electrical connectors with complementary connectors. The shielded electrical connector of claim 1 wherein the spring fingers have curved free ends extending toward each other. The housing of claim 1, wherein the housing has a centrally defined incision aligned with the rectangular receiving opening of the shield, the pair having side portions on opposite sides of the incision, and having a mating portion receiving in the incision. Shielded electrical connector connected to the complementary connector, characterized in that. 4. The shielded electrical connector of claim 3 wherein the side portions of the housing each have a similar structure with defined channels. 5. The shielded electrical connector of claim 4, further comprising a pair of bushings received in corresponding channels of the housing. The shielded electrical connector of claim 4 wherein the shield defines a pair of receiving holes aligned with corresponding channels of the housing. 6. The complementary connector according to claim 5, further comprising a positioning panel assembled to the rear surface of the housing, wherein the positioning panel forms a post adjacent each end for connecting with a corresponding bushing. Shielded electrical connector to be connected. 4. The complementary connector of claim 3, wherein each side of the shield has a horizontally bent trunnion for reliably mounting the shielded electrical connector on the printed circuit board and the positioning member extending downward. Shielded electrical connector to be connected.