JP3169366U - Electrical connector - Google Patents

Abstract

An electrical connector that is advantageous for miniaturization of an electrical connector is provided. An electrical connector includes an insulating body including a base and a terminal block formed to extend forward from the base, and a metal plate covering the insulating body and having an insertion port formed therein. The shell 30 is constituted by a first terminal 41 and a second terminal 42 arranged in alignment on the insulating body. The first terminal is provided with a first contact portion disposed on one surface of the terminal block and a first solder portion for connection to the circuit board, and the second terminal is disposed on the other surface of the terminal block. And a plurality of conductive terminals provided with a second solder portion for connecting to the second contact portion and the circuit board. An upper base 51 provided with a plurality of protrusions 511 facing the conductive terminal is attached to the shell, the first terminal is inserted between the protrusions, and at least a part of the second terminal is in contact with the protrusion. The lower base 52 through which the second solder portion of the second terminal passes is attached to the insulating body. [Selection] Figure 3

Description

  The present invention relates to an electrical connector, and more particularly to a miniaturized electrical connector.

  In the conventional electrical connector, as shown in Patent Document 1, an electrical connector as a receptacle includes a metal shell in which an insertion port into which a plug is inserted is formed, an insulating body provided inside the shell, The conductive terminal is mainly composed of an insulating body. The insulation body is composed of a base mounted inside the shell and a flat terminal block extending from the base in the direction of the insertion slot. A plurality of conductive terminals are aligned on both the upper and lower surfaces of the terminal block of the insulation body. Is done. In addition, an upper block and a lower block made of resin are attached to the insulating body in order to support each conductive terminal.

Japanese Patent Publication No. 2008-146865 Specification

  However, the upper block and the lower block are stacked on the insulating main body, which may be disadvantageous for downsizing of the electrical connector.

  An object of the present invention is to provide an electrical connector that is advantageous for miniaturization of the electrical connector.

  An electrical connector according to the present invention includes an insulating body including a base and a terminal block formed so as to extend forward from the base, a shell made of a metal plate covering the insulating body and having an insertion port formed thereon, The first terminal includes a first terminal and a second terminal arranged in alignment on the insulating body, and the first terminal includes a first contact part disposed on one surface of the terminal block and a first solder for connecting to the circuit board. A plurality of conductive terminals, wherein the second terminal is provided with a second contact portion disposed on the other surface of the terminal block and a second solder portion for connection to the circuit board. ,including. In this electrical connector, an upper base provided with a plurality of protrusions facing the conductive terminal is attached to the shell, the first terminal is inserted between the protrusions, and at least of the second terminal. A part of the insulating body is adapted to be in contact with the protrusion, and a lower base through which the second solder portion of the second terminal passes is attached to the insulating body.

  Compared with the prior art, the electrical connector of the present invention has the following advantages, and is advantageous in reducing the size of the electrical connector because the upper base is attached to the shell.

1 is an assembled perspective view of an electrical connector according to the present invention. It is a disassembled perspective view of the electrical connector which concerns on this invention. It is the disassembled perspective view seen from the other angle of the electrical connector shown in FIG. It is a perspective view of a shell and an upper base of an electrical connector according to the present invention. It is sectional drawing along the А-А line | wire shown in FIG. It is the assembly perspective view seen from the other angle of the electrical connector shown in FIG.

  Hereinafter, an embodiment of an electrical connector 100 of the present invention will be described with reference to FIGS. The electrical connector 100 includes an insulating body 20, a shell 30 made of a metal plate that covers the insulating body 20 and has an insertion port 34 into which a mating connector is inserted, and a plurality of conductive terminals 40 attached to the insulating body 20. The upper base 51 and the lower base 52 for holding the conductive terminal 40 are included.

  Referring to FIGS. 2 and 3, the insulating body 20 includes a base 21, a terminal block 22 extending from the base 21 toward the insertion port 34, and the terminal block 22 extending from both sides in the longitudinal direction of the base 21. And a pair of arm portions 23 extending backward opposite to the direction, and an accommodation space opened in the vertical direction is formed between the pair of arms 23. Further, a terminal groove 24 for accommodating the conductive terminal 40 is formed in the base portion 21 and the terminal block 22.

  2 and 3, the shell 30 includes a top plate 31, a bottom plate 32, and both side plates 33 to which the top plate 31 and the bottom plate 32 are connected, and the top plate 31 and the bottom plate 32 are paired with each other. The side plate 33 forms an insertion port 34. The top plate 31 is provided with a pair of elastic pieces 311 extending to the insertion port 34 and a convex portion 312 disposed between the pair of elastic pieces 311, and the elastic piece 311 and the convex portion 312, The mating connector is stably held in the insertion port 34. Further, at the rear part of the top plate 31, there are provided an open groove 313 formed so as to penetrate therethrough, and support portions 314 that lie on both side edges of the open groove 313 and project from the top plate 31. Therefore, the upward movement of the upper base 51 is restricted. Solder legs 315 extending in a direction opposite to the top plate 31 are formed on both sides of the shell 30.

  Referring to FIGS. 2 and 5, the conductive terminal 40 includes an upper first terminal 41 and a lower second terminal 42 arranged in alignment, and the first terminal 41 is connected to the base 21 of the insulating body 20. A first holding part 411 that is held, a first contact part 412 that extends from one end of the first holding part 411 and is arranged on the upper part of the terminal block 22, and a first that extends from the other end of the first holding part 411. 1 extension part 413 and the 1st solder part 414 extended at right angles to the 1st extension part 413 are included. The second terminal 42 includes a second holding portion 421 that is held by the base portion 21 of the insulating body 20, a second contact portion 422 that extends from one end of the second holding portion 421 and is disposed at the lower portion of the terminal block 22, A second extending portion 423 extending from the other end of the second holding portion 421 and a second solder portion 424 extending at a right angle to the first extending portion 423 are included. The first extension portion 413 and the second extension portion 423 are disposed between the pair of arm portions 23 of the insulating body 20, and the first solder portion 414 and the second solder portion 424 are formed by the pair of arms 23. It is located in the accommodation space to be formed.

  The upper base 51 is accommodated in the open groove 313 of the shell 30, and has a plurality of protrusions 511 on one surface facing the first terminal 41 of the upper base 51 and engagement at both ends for engaging the shell 30. Part 512 is formed. The engaging portion 512 holds the upper base 51 on the shell 302 by engaging with both ends of the opening groove 313. One of the engaging portions 512 has a flat plate shape, and the other of the engaging portions 512 can guide the engagement of the shell 30 by an arc-shaped guide portion. A housing groove 513 for housing the first terminal 41 is formed between the protrusions 511.

  The lower base 52 is disposed in a housing space formed between the pair of arm portions 23 of the insulating main body 20, and includes a main body portion 521 and a pair of lock portions 522 extending from both sides of the main body portion 521. . The main body 521 is formed with a plurality of funnel-shaped receiving holes 523 for receiving the second solder portions 424 of the second terminals 42. A plurality of isolation walls 525 are provided at one end of the main body 521, and an isolation groove 524 is formed between the isolation walls 525.

  Referring to FIG. 1, when assembling, a plurality of conductive terminals 40 are first attached to the insulating body 20 from the rear end of the insulating body 20. Next, the lower base 52 is attached to the insulating main body 20 from below, and the lower base 52 is held by the insulating main body 20 by engaging the lock portion 522 with the arm portion 23. Further, the upper base 51 is combined with the open groove 313 of the shell 30, and the combination of the upper base 51 and the shell 30 is attached to the insulating body 20 from the front. When combined, the first extending portion 413 of the first terminal 41 is narrowly inserted into the receiving groove 513 formed between the adjacent protrusions 511 of the upper base 51, and the first solder portion 414 is isolated from the lower base 52. Arranged in the groove 524. The second solder portion 424 of the second terminal 42 is accommodated in the accommodating hole 523 of the lower base 52, and the accommodating hole 523 has a funnel shape, so that the second solder portion 424 can be easily inserted. Further, the upper portion of the second extending portion 423 of the second terminal 42 is pressed so as to contact the protrusion 511 of the upper base 51, and the upward movement of the second terminal 42 is restricted.

  In the electrical connector 100, the first terminal 41 and the second terminal 42 are held by the upper base 51 and the lower base 52 that are stacked, and the first terminal 41 separates the receiving groove 513 of the upper base 51 from the lower base 52. The second terminal 42 is positioned only by the receiving hole 523 of the lower base 52. The upper base 51 is accommodated in the open groove 313 of the shell 30, which makes the electrical connector 100 more compact. Further, the support portion 314 can prevent the upper base 52 from falling off. In addition, the electrical connector 100 is stably mounted on the circuit board.

  Although the present invention has been described in detail with reference to the best embodiment, the embodiment is merely illustrative and is not limited thereto. Further, any modification or change in details that can be made based on the present invention described above shall fall within the scope of the claims of the present invention.

DESCRIPTION OF SYMBOLS 100 Electrical connector 20 Insulation body 21 Base 22 Terminal block 30 Shell 313 Open groove 314 Support part 40 Conductive terminal 41 1st terminal 42 2nd terminal 51 Upper base 511 Projection 52 Lower base

Claims (7)

An insulating body including a base and a terminal block formed to extend forward from the base;
A shell made of a metal plate covering the insulating body and having an insertion port formed;
A first terminal and a second terminal arranged in alignment on the insulating body, wherein the first terminal is connected to a circuit board and a first contact portion disposed on one surface of the terminal block. A plurality of first solder portions, and a plurality of second contact portions disposed on the other surface of the terminal block and a second solder portion for connecting to the circuit board. A conductive terminal of
In electrical connectors including
An upper base provided with a plurality of protrusions facing the conductive terminal is attached to the shell, the first terminal is inserted between the protrusions, and at least a part of the second terminal is in the protrusion. To be in contact,
An electrical connector, wherein a lower base through which a second solder portion of the second terminal passes is attached to the insulating body.   The electricity according to claim 1, wherein an open groove for accommodating the upper base is formed in the shell, and a support portion for restricting upward movement of the upper base is provided on the open groove. connector.   The electrical connector according to claim 2, wherein the support part is provided to lie on both side edges of the open groove.   Engaging portions that engage with the shell are formed at both ends of the upper base, respectively, one of the engaging portions has a flat plate shape, and the other engaging portion has an arc-shaped guide portion. The electrical connector according to claim 2.   The insulating body is formed with a pair of arms extending from both sides in the longitudinal direction of the base to the rear opposite to the extending direction of the terminal block, and the lower base is disposed between the pair of arms. The electrical connector according to claim 1.   2. The lower base is formed with an accommodation hole through which a second solder portion of the second terminal passes and an isolation groove for positioning the first solder portion of the first terminal. 5. The electrical connector according to 5.   The second terminal includes the second extending portion that connects the second contact portion and the second solder portion, and the second extending portion is disposed so as to contact the protrusion of the upper base. The electrical connector according to claim 1.

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