JP3320366B2 - Cap connector - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a cap connector having a fitting opening for receiving a plug connector for realizing an interconnection of electricity or the like.

[0002]

2. Description of the Related Art An example of this type of cap connector is disclosed in Japanese Patent Application Laid-Open No. 9-320688. The disclosed cap connector includes a housing having a generally rectangular box shape and having a mating opening on one side. An engaging portion for engaging with the lock arm of the plug connector is formed on one side surface of the fitting opening. Usually, when molding a housing having such a shape, a punching die for forming a fitting opening inside the housing is used, but in order to easily remove the die and suppress deformation of the housing. Usually, its inner surface is designed to be slightly inclined.

[0003]

A problem with this type of cap connector is that it causes rattling when mated with a plug connector due to the above-described inclination. Such a backlash may lead to poor connection when used in a vibration environment such as an automobile. SUMMARY OF THE INVENTION An object of the present invention is to provide a cap connector having a configuration in which a mold is easily removed and rattling is less likely to occur when fitted to a plug connector.

[0004]

SUMMARY OF THE INVENTION The present invention comprises a housing having a rectangular box shape and having a mating opening on one side for receiving a plug connector, the mating opening expanding toward an open end. A cap connector provided with a plurality of narrow ribs including an edge extending linearly in alignment with the fitting direction, the inclination angle of the inner surface being , is set to be larger than 0.5 degrees, the Rukoto is shaped to the narrow rib coincides with the inner surface at the rear end vicinity of the fitting opening, the narrow Li from the inner surface
As the height of the knob advances from the fitting opening to the far end,
The width of the narrow rib is gradually reduced so that the narrow rib can be deformed when the plug connector is received.

[0005]

[0006]

Preferably, at least one of the inner surfaces of the fitting opening is provided with an engaging means for engaging with the plug connector, and the narrow rib faces at least a surface on which the engaging means is provided. Formed on the side surface.

[0008]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A cap connector according to a preferred embodiment of the present invention will be described below with reference to the accompanying drawings.

FIG. 1 is a perspective view of a cap connector according to the present invention. FIG. 2 is a front view of the cap connector of FIG. FIG. 3 is a sectional view taken along line AA in FIG. FIG. 4 is a plan view showing a part of the cap connector of FIG. FIG. 5 is a partially enlarged view of the bottom portion in FIG.

The cap connector 10 according to the present invention includes a housing 20 having a substantially rectangular outer shape and contacts 50a and 50b supported by the housing 20. Housing 20
Is to receive a mating plug connector (not shown)
It has a fitting opening 21 that opens to one side. The bottom surface 22 of the housing 20 is a mounting surface to be mounted on a circuit board (not shown), and has pedestals 23a and 23b on the bottom surface 22. The contacts 50a and 50b are bent into a substantially L-shape, and extend in the connector fitting direction.
a, 51b, and tines 52a, 52b for connection to a circuit board (not shown). According to the present embodiment, the contact portions 51a and 51b are arranged in two rows.

The fitting opening 21 has a lock arm engaging portion 24 and a fitting key structure 25 at a position on the top side thereof. The lock arm engaging portion 24 is located substantially at the center on the top side of the fitting opening 21, and particularly has an engaging protrusion 26 projecting inward as shown in FIG. The engagement protrusion 26 is for engaging with a lock arm provided in the mating plug connector and maintaining the fitted state of both connectors at the time of fitting. First protrusion walls 27 are formed on both sides of the engagement protrusion 26. The first protruding wall 27 also has a function of suppressing an undesired displacement of the lock arm after the fitting process or after the fitting.
Also constitute a part of.

The fitting key structure 25 includes a first protruding wall 27,
Further, it is defined by a second protruding wall 28 formed on the outside thereof, and both side walls 29. A first recess 31 is defined by the first projecting wall 27 and the second projecting wall 28, while a second recess 3 is defined by the second projecting wall 28 and the side wall 29.
2 is defined. Accordingly, it is possible to prevent reception of the plug connector having the projecting structure at a position deviated from the concave portions 31 and 32, and also prevent fitting of the regular plug connector in a state where the plug connector is oriented in the opposite direction.

[0013] The cap connector 1 according to the preferred embodiment.
Characteristic point 0 is that the inner surface 60 of the fitting opening 21 is formed so as to be inclined so as to greatly expand, and a plurality of narrow ribs 70 are formed so as to extend in the fitting direction. is there. This will be described in detail below.

According to the conventional cap connector, the inner surface is formed to be slightly inclined (usually about 0.5 degrees) so that a die used for forming a fitting opening at the time of resin molding can be removed. Guarantee has been made. According to the present embodiment, the inclination angle of the inner side surface 60 is made larger than that of the conventional cap connector, so that the die can be more easily and reliably removed. This angle of inclination is particularly indicated as a in FIG. Although FIG. 5 shows the bottom surface, it is needless to say that the inner surface 60 on the top side and both lateral sides is used.
The same inclination is set for.

[0015] The cap connector 1 according to the preferred embodiment.
0 further has a plurality of narrow ribs 70 on the inner surface 60. The narrow rib 70 extends in the depth direction of the cap connector 10, that is, in the fitting direction. It should be particularly noted that the edge 71 of the narrow rib 70 does not extend obliquely but extends linearly in alignment with the fitting direction. It should be noted that the narrow rib 70 has a sufficiently small width (for example, about 0.5 mm), and does not hinder the removal of the mold.
By forming a plurality of narrow ribs 70 (a total of nine in the fitting opening 21 in the present embodiment) in this manner, the end 71 of the narrow rib 70 is outside the plug connector when fitted with the mating plug connector. Engagement with the side surfaces minimizes play in the plug connector or optimizes dimensions to eliminate play.
In the latter case, the narrow rib 70 may be slightly deformable.
As described above, according to the cap connector according to the present embodiment, it is possible to easily form the cap connector with accurate dimensions, and at the same time, to minimize the play of the plug connector when mating with the mating plug connector. Becomes possible.

If it is necessary to minimize the number of the narrow ribs 70, the narrow ribs may be formed only on the bottom side of the fitting opening 21. Since the plug connector to be fitted is supported by the plurality of narrow ribs 70 on the side facing the lock arm, rattling of the plug connector after fitting is reliably prevented.

As described above, the cap connector according to the embodiment of the present invention has been described. However, this is merely an example, and does not limit the present invention.
Various modifications and alterations are possible by those skilled in the art.

[0018]

According to the cap connector of the present invention, the inclination angle of the inner surface of the housing is set larger than 0.5 degrees, matching the inner side surface in the back end near the engagement opening fitting is narrow ribs is a by Rukoto, narrow ribs from the inner surface
Height gradually decreases from the mating opening to the far end
Becomes, the width of the narrow rib, so characterized that the dimension narrow rib is deformable when plug connector is received, while facilitating resin molding of the housing, with the mating plug connector di play to the plug connector at the time of mating
The fitted state can be maintained by preventing the fitting. Therefore, it is possible to prevent contact failure due to deformation and damage of each member and slight sliding wear when receiving vibration.

[Brief description of the drawings]

FIG. 1 is a perspective view of a cap connector according to the present invention.

FIG. 2 is a front view of the cap connector of FIG. 1;

FIG. 3 is a sectional view taken along line AA in FIG. 2;

FIG. 4 is a plan view showing a part of the cap connector of FIG. 1 in a cutaway manner;

FIG. 5 is a partially enlarged view of a bottom portion in FIG. 2;

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 10 Cap connector 20 Housing 21 Fitting opening 60 Inner surface 70 Narrow rib 71 Edge

──────────────────────────────────────────────────続 き Continued on the front page (58) Field surveyed (Int.Cl. ⁷ , DB name) H01R 13/46 303 H01R 23/02 H01R 13/629 H01R 13/631 H01R 13/64

Claims (1)

(57) [Claims] 1. A housing comprising a rectangular box-shaped housing having a fitting opening on one side for receiving a plug connector, wherein the fitting opening has an inner surface inclined to expand toward an open end. A cap connector provided with a plurality of narrow ribs including an edge extending linearly in alignment with the fitting direction on the inner surface, wherein the inclination angle of the inner surface is set to be larger than 0.5 degrees. It is, by Rukoto is shaped to the narrow rib coincides with the inner surface at the rear end vicinity of the fitting opening, before from the inner surface
The height of the narrow rib advances from the fitting opening to the far end.
Gradually decreases as the width of the narrow rib, a cap connector, wherein said narrow rib is dimensioned to be deformable when said plug connector is received.