JP2003168525A - Electric connector - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a connector equipped with a kind of grounding device. <P>SOLUTION: The connector includes an insulation main body with side walls, end walls and a center land part surrounded by the side walls and the end walls, a metal shield sheet set outside the side walls of the insulation main body, and a plurality of conductive terminals at least arrayed in a row and mounted on the insulation main body. At least one grounding terminal is positioned at a suitable place in the terminal row, and has a locking part extended toward a shield sheet, which can realize a good electric contact between the grounding terminal and the shield sheet, with the shield sheet locked between the locking part and the side walls of the insulation main body. Thus, the shield sheet is firmly fastened to the insulation main body of the electric connector. <P>COPYRIGHT: (C)2003,JPO

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an electric connector provided with a kind of grounding device, and more particularly to a board-to-board structure in which a shield sheet covering the outside of an insulating body of the electric connector connects a ground terminal to provide a grounding function. Type electrical connector.

[0002]

2. Description of the Related Art Conventionally, a board-to-board type electrical connector is provided with a plug connector and a receptacle connector which are in contact with each other, and both the plug and the receptacle connector are provided to electrically connect both circuit boards. Connect to the circuit board. In addition, in the conventional board-to-board type electrical connector, a metal shield sheet and a grounding device are usually installed around the insulating main body as necessary to transmit high speed and high frequency of electronic signals, so that electromagnetic interference from the outside can be prevented. Since the influence on the transmission of the electronic signal is removed, the stability of the transmission of the electronic signal can be guaranteed.

As shown in FIG. 5, USP No. 5,915,
No. 976 discloses a board-to-board type connector having a shield and grounding device. Shield sheets 62 are provided on both sides of an insulating main body 61 of a plug 60 of the connector, and the shield sheet 62 is a specific terminal 63 of the plug 62.
When the plug 60 is brought into contact with the socket 70, the shield sheet 62 contacts the ground terminal of the socket 70, so that the grounding of the board-to-board type connector as a whole can be realized. is there.

[0004]

However, when the seal located on the plug is attached to the outside of the insulating body and contacts the ground terminal of the socket, the seal sheet is pressed against the ground terminal to insulate the sheet. It becomes easy to fall off the main body, the ground circuit is destroyed, and the connector loses its sealing function.

An object of the present invention is to provide an electric connector provided with a shield and a grounding device. The grounding terminal of the electric connector not only realizes good electrical contact with the shield device, but also the shield device. It shall also be able to be firmly tightened on the insulating body of the electrical connector.

[0006]

In view of the above-mentioned object, an electrical connector of the present invention comprises an insulating body, a plurality of conductive terminals and a ground terminal assembled to the insulating body, and both sides of the insulating body. And a shield sheet covering the wall. The insulating body has a central protruding chamber for receiving a conductive terminal and a ground terminal, and a plurality of passages located in the insulating body. The shield sheet is wholly installed on the outer surface of the side wall of the insulating body, the ground terminal is installed at an appropriate portion of a terminal row formed by arranging a plurality of terminals, and the ground terminal has a contact portion and a first portion. A second fixing portion, the first fixing portion fixing the terminal to the insulating body, and the second fixing portion extending upward from the welding tail portion of the ground terminal, and the shield sheet. Not only realizes good electrical contact with the shield sheet, but also the shield sheet fits to the insulating body so that the shield sheet is connected to the electrical connector. It is fastened tightly to the insulating body of.

[0007]

Embodiments of the present invention will now be described in detail with reference to the drawings.

First, as shown in FIGS. 1 and 2, an electric connector 1 of the present invention comprises an insulating body 10 and an insulating body 1.
A plurality of conductive terminals 20 and ground terminals 30 housed in 0
A shield sheet 40 attached to the side wall 11 of the insulating body 10 and mounting ears installed on the end wall 12 of the insulating body 10.

As shown in FIG. 2, the insulating body 10 is a vertically long housing body having a side wall 11 and an end wall 12. The side walls 11 are locking blocks 1 arranged at a plurality of intervals.
Each of the locking blocks 110 is provided with a locking groove 112 for locking the sealed sheet 40, and the conductive terminal 20 is provided inside the locking groove 112.
And an interference groove 114 for fixing the interference portion 34 of the ground terminal 30. Convex blocks 120 are formed on both sides of the end wall 12 at intervals in the lateral direction, and have mounting grooves 122 for receiving mounting ears between the convex block 120 and the end wall 12. The one convex block 120 is further extended downward to form a localization pole. One central land portion 14 is installed in a space surrounded by the side wall 11 and the end wall 12, and a plurality of the central land portions 14 are provided on both sides of the central land portion 14 to receive the contact portions of the conductive terminals 20 and the ground terminals 30. It has a passage 140 arranged in a row.

A plurality of conductive terminals 20 are arranged in both rows and assembled to the insulating body.
And a contact portion 2 extending from one end of the base portion 21.
2 is a passage 1 corresponding to the central land portion 14
The tail portion 23, which is installed at 40 and extends from the other end of the base portion 21, extends from the bottom surface of the insulating body 10 and is surface-attached to a circuit board (not shown). The contact portion 22
The interference portion 24 extending from between the tail portion 23 and
In order to realize the positioning of the conductive terminal 20, it is locked in the interference groove 116 corresponding to the locking block 110 of the side wall 11 of the insulating body 10.

As shown in FIG. 2, the shield sheet 40 is a long sheet metal board and includes a base sheet 41,
And a plurality of locking plates 42 extending from one side of the base sheet 41 and spaced from each other, and the locking plates 42 are respectively locked to the locking grooves 112 on the side wall 11 of the insulating body 10. . The other side of the base sheet 41 is bent to form the engaging portion 43. The mounting ear portion 50 is made of a metal board having an L-shaped cross section, and the mounting ear portion 50 includes a sheet-shaped base plate 51 and a plurality of welding sheets 52 extending by bending the lower side of the base plate 51.
Have. The base plate 51 is pushed into the mounting groove of the end wall 12 from the upper side to the lower side, so that the welding sheet 52 is surface-welded to the circuit board in order to improve the weldability of the electric connector.

As shown in FIGS. 2 and 4, both ground terminals 30 are arranged in a plurality of conductive terminals 20, and the structure of the ground terminals 30 includes a contact portion, a tail portion, and an interference portion, respectively. Although basically the same, it is different in that a locking portion 36 having a locking head 360 is formed at an end portion of the ground terminal 30 extending upward from the tail portion 33. As shown in FIG. 3, the engaging portion 43 of the shield sheet 40 is locked to the underside of the side wall 11 of the insulating body 10, and the conductive terminal 20 and the base portion 2 of the ground terminal 2 are engaged.
1, 31 and the engaging portion 3 of the ground terminal 30
6 is brought into contact with the base sheet 41 of the shield sheet 40, the base sheet 41 is sandwiched between the locking portion 36 and the side wall 11 of the insulating body 10, and the grounding terminal 30 By the locking action of the locking portion 36, the shield sheet 40 can be grounded to realize the electromagnetic interference function, the insulating body 10 can be strongly fixed, and the stability of the ground circuit can be improved at the same time.

In general, the present invention has sufficient requirements for patent registration, and therefore, patents should be registered by law. Further, the above is merely specific examples made according to the present invention, and does not limit the scope of the claims of the present invention. Modifications or changes in details that can be made based on the present invention are all claimed in the scope of the present invention. Shall belong to.

[Brief description of drawings]

FIG. 1 is a three-dimensional exploded view of an electric connector of the present invention.

FIG. 2 is a three-dimensional combination view of the electric connector of the present invention.

FIG. 3 is a three-dimensional view of the ground terminal of the electric connector of the present invention.

FIG. 4 is a sectional view of a local portion of the electric connector of the present invention.

FIG. 5 is a three-dimensional combination view of a conventional electric connector according to the present invention.

[Explanation of symbols]

1 electrical connector 10 Insulation body 11 Side wall 110 locking block 112 Locking groove 114 interference groove 12 end wall 120 convex block 122 mounting groove 124 localization pin 20 conductive terminals 21, 31 Base part 22, 32 contact part 23, 33 tail 24, 34 Interference part 30 ground terminal 36 Locking part 360 locking head 40 shield sheet 41 base sheet 42 Locking sheet 43 Engagement part 50 mounting ear 51 base plate

Claims (8)

[Claims] 1. An insulating body including a side wall, an end wall, and a central land portion having a passage for receiving a terminal, the insulating body being installed in a space surrounded by the side wall and the end wall, and installed outside the side wall of the insulating body. Shield sheet, a plurality of conductive terminals arranged in at least one row along the length direction of the central land portion, and a locking portion extending to the shield sheet at a position suitable for the row of the conductive terminals. Accordingly, the shield sheet includes at least one ground terminal locked between the locking portion and the side wall of the insulating body. 2. The electrical connector according to claim 1, wherein the side wall of the insulating body is a plurality of locking blocks separated from each other, and each locking block has a locking groove. 3. The shield sheet includes a strip-shaped base sheet and locking sheets extending from one end of the base sheet and locked in the locking grooves, respectively, and the other end of the base sheet is provided. The electrical connector according to claim 2, wherein the bending and engaging portions are extended. 4. The conductive terminal includes a base portion, a contact portion extending from one end of the base portion into the terminal receiving passage of the central land portion, and a tail portion extending from the other end of the base portion to the bottom surface of the insulating body. 4. The electrical connector according to claim 3, further comprising: an interference portion that is located between the contact portion and the tail portion and that can be fixed to a sidewall of the insulating body. 5. The electrical connector according to claim 4, wherein the ground terminal includes a base portion, a contact portion, and a tail portion having the same structure as the conductive terminal. 6. The engagement portion of the shield sheet is located between the conductive terminal and the base portion of the ground terminal and the lower side wall of the insulating body, and is localized.
The electrical connector described. 7. The electrical connector according to claim 6, wherein the end wall of the insulating body has a mounting groove for receiving a mounting ear portion assembled therein. 8. The electrical connector according to claim 7, wherein the mounting ear portion is bent downward, and a welding sheet whose surface is weldable to a circuit board is extended.