JP2942985B2 - Electrical connector - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an electric connector having a plurality of fitting portions with a mating connector.

[0002]

2. Description of the Related Art In recent years, in electronic devices such as computers, the number of poles required for electrical connectors has been increasing with the increase in the number of input / output lines. In order to cope with this increase in the number of poles, conventionally, a plurality of existing electrical connectors are stacked up and down in multiple stages, and a connection fitting for connecting and integrating a plurality of electrical connectors is attached between the electrical connectors. Alternatively, a metal housing capable of housing the whole is separately manufactured, and a plurality of electrical connectors are assembled in the housing (for example, Japanese Patent Application Laid-Open No. 6-290).
61, etc.).

[0003]

In the means for constructing a multi-pole electrical connector as described above, since a plurality of existing electrical connectors are assembled, the number of components is an integral multiple of the number of components for each electrical connector. Further, since members for connection are further required, there are problems in that the number of parts increases, and the labor required for assembly increases, and it has been difficult to reduce the manufacturing cost.

[0004] The present invention has been made in view of the above problems, and has as its object to provide a multi-pole electrical connector that can reduce the number of parts and can be easily assembled.

[0005]

SUMMARY OF THE INVENTION The present invention, which has been made with the above object, is basically a multi-pole electrical connector composed of one housing and one shell.

In order to achieve the above object, the present invention has the following technical means. That is, the description will be made using the reference numerals used in the accompanying drawings corresponding to the embodiments. The electric connector 1 of the present invention has a plurality of fitting portions 5 protrudingly provided on the front surface 4 at intervals vertically. The housing 2 in which the contact portions 8 of a large number of terminals 7 are aligned and press-fitted into each of the plurality of fitting portions 5 and the cylindrical portion 11 for covering the side walls of each of the plurality of fitting portions 5 are provided. Electrical connector 1 having a plurality of shells 3 corresponding to the fitting portions 5
At the upper edge of the substrate 9 constituting the shell 3,
Locking collar 1 for locking to upper surface 14 of housing 2
The lower edge of the substrate 9 is provided with a locking piece 17 for locking to the lower surface 16 of the housing 2. An engaging piece 19 is provided for engaging with an engaging projection 21 formed on each of the two side walls of the housing 2. The shell 3 is formed of the housing 2 by the locking flange 15 and the locking piece 17. The electrical connector 1 is characterized in that the position is held in the up-down direction and the position of the housing 2 is held in the left-right direction by each of the left and right engagement pieces 19.

Further, as another feature, the shell 3 has openings 27 formed on both sides of each cylindrical portion 11,
The latch receiver 26 is attached to the housing 2 through the opening 27.

[0008]

According to the present invention, an electrical connector having a plurality of mating portions with a mating connector is assembled under one housing and one shell, so that the number of parts can be reduced. In addition, assembly can be facilitated.

[0009]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of the present invention will be described below with reference to the accompanying drawings.

FIGS. 1 to 4 show a two-stage right-angle electrical connector 1 according to an embodiment. This electrical connector 1
Is one housing 2 formed by molding an insulating resin.
And one shell 3 formed of a metal plate. On the front surface 4 of the housing 2, fitting portions 5 of mating connectors (not shown) are provided so as to protrude upward and downward in two stages, and are provided inside the fitting portions 5 from the rear surface 6 side of the housing 2. The contact portions 8 of the terminals 7 are press-fitted and fixed in an aligned state. The shell 3 is attached so as to cover the front surface 4 of the housing 2 and is integrated with the housing 2.

The shell 3 is formed as shown in FIGS. 5 to 7, and has an opening 10 at the center of a substrate 9 having an outer shape substantially equal to the front surface 4 of the housing 2.
A tubular part 11 for covering the side wall of the fitting part 5 is projected upward and downward with respect to the position of the fitting part 5 of the housing 2 up and down with the opening 10 therebetween. It is formed in two stages. On the upper edge of the substrate 9 constituting the shell 3, a locking flange 15 for locking to the upper surface 14 of the housing 2 is provided at right angles to the rear surface 13, and both sides of the lower edge of the substrate 9 are provided. The locking piece 1 for locking the lower surface 16 of the housing 2 at a slightly more acute angle toward the rear surface 13 than at a right angle.
7 are provided, and pegs 18 are continuously provided downward from the tip of the locking piece 17. Further, engaging pieces 19 are provided at right angles from each of both side edges of the central portion of the substrate 9 of the shell 3 toward the rear surface 13. Engaging piece 19
Has an opening 20 formed in a central portion thereof, and is fitted and engaged with an engaging projection 21 formed on each of both side walls of the housing 2.

The terminal 7 has a contact portion 8 at one end and a solder tail 22 at the other end and is formed at right angles to the contact portion 8. The length of the contact portion 8 and the solder tail 22 is changed. By doing so, each solder tail 22 is aligned over the lower surface 16 of the housing 2. Solder tail 2
The guide plate 23 for the terminal 7 press-fitted and fixed to the upper fitting portion 5 and the guide plate 24 for the terminal 7 press-fitted and fixed to the upper and lower fitting portions 5 for alignment of the housing 2 are arranged. It is located at the rear. FIG. 8 shows a guide plate 24 into which the solder tail 22 of the terminal 7 press-fitted and fixed to the upper and lower fitting sections 5 is inserted, and the other guide plate 23 has the same shape. It is molded.
Insert holes 25 for inserting the solder tails 22 are formed in a predetermined arrangement.

Reference numeral 26 shown in FIGS. 2, 3 and 4 denotes a latch receiver which can be engaged with a latch of a mating connector. As shown in FIG. 9, the latch receiver 26 is press-fitted into a mounting hole 28 of the housing 2 through an opening 27 formed in the shell 3. Hole 2
8 has a locking portion 29 that is press-fitted and locked, and an outwardly curved engaging portion 30.

That is, the electric connector 1 according to the present invention comprises the housing 2 on the upper edge of the board 9 constituting the shell 3.
A locking flange 15 for locking to the upper surface 14 of the housing 2 is provided, and a locking piece 17 for locking to the lower surface 16 of the housing 2 is provided at a lower edge of the substrate 9. On each of both side edges of the substrate 9, an engagement piece 19 for engaging with an engagement protrusion 21 formed on each of both side walls of the housing 2 is provided. 15 and the locking pieces 17 are used to hold the position of the housing 2 in the vertical direction, and the left and right engaging pieces 19 are used to hold the position of the housing 2 in the left and right direction. It is.

The assembling of the electric connector 1 of the above embodiment can be performed as follows. First, the contact portion 8 of the terminal 7 is pressed into the lower fitting portion 5 of the housing 2 and fixed, and then the contact portion 8 of the terminal 7 is pressed into the upper fitting portion 5 and fixed. Subsequently, a guide plate 23 into which the solder tail 22 of the upper terminal 7 is inserted is attached to the upper part of the housing 2, and a guide plate 24 into which the solder tail 22 of the upper and lower terminals 7 is inserted is further attached. It is attached to the lower part of the housing 2. Then, on the front surface 4 side of the housing 2,
The cylindrical portion 11 of the shell 3 is fitted to the outside of the fitting portion 5 of the housing 2, and the engaging pieces 19 provided on both sides are engaged with the engaging projections 21 of the housing 2, and 3 and then, through the opening 27 formed in the shell 3, the locking portion 29 of the latch receiver 26 is
By press-fitting into the mounting hole 28, the latch receiver 26 is attached to the housing 2 and the electrical connector 1 can be completed.

According to the above embodiment, the electrical connector 1 having an increased number of poles can be constituted by the six kinds of components including the housing 2, the shell 3, the terminal 7, the guide plates 23 and 24, and the latch receiver 26. In addition, it can be easily assembled.

[0017]

As described above, according to the present invention, there is provided an electrical connector which can reduce the number of parts and can be easily assembled, thereby improving the manufacturing efficiency and improving the quality and reliability. There is an effect that the manufacturing cost can be reduced while maintaining it.

[Brief description of the drawings]

FIG. 1 is a sectional view of an embodiment of the present invention.

FIG. 2 is a front view of the embodiment.

FIG. 3 is a plan view of the embodiment.

FIG. 4 is a side view of the embodiment.

FIG. 5 is a front view of the shell of the embodiment.

FIG. 6 is a bottom view of the shell of the embodiment.

FIG. 7 is a side view of the shell of the embodiment.

FIG. 8 is a plan view of a lower guide plate of the embodiment.

FIG. 9 is an enlarged sectional view of a portion of the latch receiver of the embodiment.

[Explanation of symbols]

 REFERENCE SIGNS LIST 1 electrical connector 2 housing 3 shell 4 front surface of housing 5 mating portion of mating connector 6 rear surface of housing 7 terminal 8 contact portion 9 board of shell 10 opening of shell 11 cylindrical portion 12 front surface of shell 13 rear surface of shell 14 Upper surface of housing 15 Engagement flange 16 Lower surface of housing 17 Engagement piece 18 Peg 19 Engagement piece 20 Opening 21 Engagement protrusion 22 Solder tail 23 Guide plate 24 Guide plate 25 Insertion hole 26 Latch receiver 27 Shell opening 28 Housing Mounting holes 29 latching parts of latch receiver 30 engaging parts of latch receiver

──────────────────────────────────────────────────続 き Continued on the front page (58) Field surveyed (Int.Cl. ⁶ , DB name) H01R 23/02-23/68 H01R 13/648

Claims (2)

(57) [Claims] A plurality of fitting portions are protrudingly provided on the front surface at an interval vertically, and a plurality of contact portions of terminals are aligned with each of the plurality of fitting portions. The press-fitted housing 2 and the plurality of fitting portions 5
In the electrical connector having a shell 3 in which a plurality of cylindrical portions 11 for covering the respective side walls are formed so as to correspond to the fitting portions 5, an upper edge of the substrate 9 constituting the shell 3 is A locking flange 15 for locking to the upper surface 14 of the housing 2 is provided, and a locking piece 17 for locking to the lower surface 16 of the housing 2 is provided at a lower edge of the substrate 9. At the same time, engaging protrusions 2 formed on each of both side walls of the housing 2 are provided on both side edges of the
An engaging piece 19 for engaging with the shell 3 is provided.
Is held in the vertical direction of the housing 2 by the locking flange 15 and the locking piece 17, and is held in the horizontal direction of the housing 2 by each of the left and right engaging pieces 19. An electrical connector, characterized in that: 2. The shell 3 has openings 27 formed on both sides of each tubular portion 11, and a latch receiver 26 is attached to the housing 2 through the openings 27. Electrical connector.