JPH07161403A - Connector - Google Patents

Abstract

PURPOSE:To make fitting job of a correcting plate easy and surely hold a terminal pin. CONSTITUTION:Protuberances 6 are protuberantly installed at both ends in the front on a fixing surface 1a of a housing 1, a fitting groove 7 with constant width is formed between the protuberances 6, and locking projections 8 are formed on both side walls of the fitting groove 7. A fixing plate 13 with the same width as the fitting groove 7 is extendedly installed in the rear edge of a correcting plate 11 for holding a terminal pin, and a window 14 is opened in the form of a frame in the central pant. The tip of the terminal pin is inserted into an each positioning hole 12 in the correcting plate 11, and the fixing plate 13 is pushed into the fitting groove 7 with the right and left frames deflected inward for fixing. Since the correcting plate 11 is elastically fixed to the fitting groove 7, the terminal pin 5 is surely held with no play.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a connector of a type in which a plurality of terminal pins are inserted into a plurality of mounting holes provided in an electric circuit board such as a printed circuit board.

[0002]

2. Description of the Related Art Conventionally, there has been known a type of connector for connecting a wiring cable to a plurality of terminals provided on a printed circuit board or the like. In this type of connector, a plurality of terminal pins whose tip portions are bent at a right angle are projectingly provided on one surface of the housing, and the terminal pins are inserted and inserted into the insertion holes of the terminal. This attachment work is performed by inserting a plurality of terminal pins into the insertion holes consisting of small holes almost at the same time, so if the tips of some of the terminal pins are misaligned, The mounting work becomes troublesome. In particular, the terminal pins of this type of connector are formed of thin metal rods or thin plates that are easily bent, and further project from the housing for a long time. There are many. Therefore, it is necessary to insert the terminal pins into the insertion holes while positioning them. In response to this, it was proposed that a correction plate for correcting the arrangement of the terminal pins be separately provided and attached to the housing. As one example thereof, the one shown in FIGS. 9 and 10 is known. According to this technique, a plane in which two arms d each having a locking portion e projecting from the inner edge of the distal end portion are integrally formed at both ends of a main body portion b having positioning holes c arranged in the same arrangement as the insertion holes of the printed circuit board are formed. It is provided with a substantially U-shaped correction plate a. Then, each terminal pin g protruding from the housing f is attached to the positioning hole c of the correction plate a.
And the two arms d are forcibly opened while being fitted into a groove i formed on the outer side of a raised portion h provided on the mounting surface of the housing f to be attached, The array is positioned so as to match the array of the insertion holes.

[0003]

However, in the above-mentioned prior art, the structure of the portion for attaching the correction plate a to the housing f is such that the arms d integrally formed on both sides of the main body portion b are forcibly opened and attached. Therefore, there is a possibility that the main body b is deformed as the arm d is opened, which causes a change in the arrangement of the terminal pins g, resulting in a deviation from the arrangement of the insertion holes of the printed circuit board.

The present invention has been developed and devised in view of the above-mentioned conventional problems, and an object of the present invention is to make it possible to easily carry out the work of fitting the correction plate and securely hold the terminal pins. Is to provide a connector that can.

[0005]

According to a first aspect of the present invention for achieving the above object, a housing is provided with a plurality of terminal pins whose tip portions are bent at a substantially right angle, and the terminals are projected from one surface, and each terminal. In a connector provided with a straightening plate having a positioning hole into which a tip end portion of a pin is inserted, a mounting plate that is bendable and deformable in a width direction is extended to one edge of the straightening plate, and A fitting portion for elastically engaging the mounting plate in a retaining state is formed on a side surface adjacent to the projecting surface of the terminal pin.

According to a second aspect of the present invention, at the tip of the mounting plate in the correction plate, there is provided a locking portion that extends outward from the tip of the mounting plate and is engageable with the rear end of the fitting portion. It is characterized by being formed.

Further, in the invention of claim 3, two or more concave portions or convex portions are arranged on the surface of the correction plate on the side of the housing for attaching the mounting plate, and the mounting plate has the concave portion or the convex portion. It is characterized in that a convex portion or a concave portion which can be fitted into the convex portion is arranged.

[0008]

The operation of the invention of claim 1 is as follows. Insert the tip of the corresponding terminal pin into each positioning hole of the straightening plate and insert the mounting plate extended from the straightening plate into the fitting part of the housing, and the mounting plate will bend in the width direction and will not come off. Engages with the fitting part. Thus, the straightening plate is attached to the housing.

In this case, since the mounting plate is formed so as to be flexibly deformable, the mounting plate is fitted in a state in which the mounting plate is in close contact with the fitting portion without any clearance, so that rattling in the mounted state is alleviated. .

According to the second aspect of the present invention, the locking plate formed on the mounting plate is locked at the rear end of the housing so that the correction plate is displaced toward the front of the fitting part. Is more reliably blocked, and rattling in the shake direction is also blocked.

According to the third aspect of the invention, due to the fitting of the unevenness on the mounting plate side and the housing side, the displacement of the protruding surface of the terminal pin of the housing toward the front side is caused as in the second aspect of the invention. In addition to being more reliably prevented, positional deviation in the shake direction is also prevented.

[0012]

As described above, according to the present invention, since the bending-deformable mounting plate is separately extended to the correction plate and is fitted into the fitting portion of the housing, the fitting operation itself can be simplified. In addition, since it can be firmly positioned and mounted, and the correction plate is not likely to be deformed by the deformation of the mounting plate, there is an effect that the terminal pins can be corrected and held in an accurate arrangement. .

[0013]

Embodiments of the present invention will be described below with reference to FIGS.

First, a first embodiment will be described with reference to FIGS. Reference numeral 1 denotes a connector housing, which is made of an insulating synthetic resin material and formed into a box shape with one surface opened.
A fitting chamber 2 into which a mating connector (not shown) is fitted is provided inside.

A plurality of through holes 3 are formed vertically and horizontally on the front wall of the housing 1 which is the bottom surface of the fitting chamber 2. In each through hole 3, a terminal pin 5 made of a thin square bar of a conductive metal having a male or female terminal portion on one side is press-fitted and fixed from the fitting chamber 2 side. The front ends of the housing 1 that project horizontally from the front wall are bent at right angles in the same direction.

The tip of each terminal pin 5 can be inserted into an insertion hole of a printed circuit board (not shown), and the terminals are arranged corresponding to the arrangement of the insertion holes and the housing 1
A certain height above a side surface 1a which is a side surface adjacent to the front wall, and more specifically, a side surface 1a which is a mounting surface of a correction plate 11 described later.

A pair of raised portions 6 are formed at both ends of the housing 1 on the front edge side of the mounting surface 1a, and a fitting groove 7 (fitting portion) having a constant width is formed therebetween. As shown in FIG. 4, locking projections 8 are formed at symmetrical positions on both opening edges of the fitting groove 7, and inwardly inclined surfaces 9 are formed on the upper surfaces thereof.

The housing 1 is provided with a straightening plate 11 for holding the terminal pins 5. This correction plate 11
Is also made of an insulative synthetic resin material, and a plurality of positioning holes 12 into which the bent tips of the terminal pins 5 are inserted are formed in the same arrangement as the insertion holes of the printed circuit board.

A mounting plate 13 having the same width as the fitting groove 7 of the housing 1 is provided so as to extend at the center of the rear edge of the straightening plate 11, and a window hole is provided at the center of the mounting plate 13. 14 penetrates and is formed in the shape of a frame. As a result, the mounting plate 13 can be deformed in a recessed manner, and both side edges thereof are formed so as to be in close contact with the inner surfaces of the both raised portions 6 with substantially elastic force. Further, as shown in FIG. 4, a thin portion 16 that can be engaged with the lower surface of the locking projection 8 is formed on the outer peripheral edge of the mounting plate 13 in a protruding shape.

The first embodiment has such a structure, and its operation will be described below.

At the time of assembly, the tip portions of the terminal pins 5 corresponding to the respective positioning holes 12 of the straightening plate 11 are inserted, and the mounting plate 13 extended from the straightening plate 11 is inserted.
Is pushed into the fitting groove 7 of the housing 1 from above. Then, the mounting plate 13 hits the inclined surfaces 9 of the two locking projections 8 and is pushed inward while bending. And the locking projection 8
When the mounting plate 13 is elastically restored, the thin portion 16 sneaks into the lower surface side of the locking projection 8 and becomes incapable of being removed upward, as shown in FIG.
Are attached to the housing 1.

At this time, the width of the mounting plate 13 of the correction plate 11 is set to be the same as that of the fitting groove 7, and the mounting plate 13 is closely fitted in the fitting groove 7 in the width direction. The rattling is effectively reduced. Further, the frictional resistance between the side edge of the mounting plate 13 and the side wall of the fitting groove 7 also prevents the correction plate 11 from being displaced in the front-rear direction.

Further, only the mounting plate 13 extending from the straightening plate 11 is flexibly deformed, and the portion in which the terminal pin 5 is inserted is not affected by the flexible deformation, so that the work of fitting the straightening plate is performed. It is easy to position itself and can be firmly positioned and mounted.
Since there is no possibility of itself deforming, the terminal pins 5 can be corrected and held in an accurate arrangement.

Next, the second embodiment will be described with reference to FIGS. 5 and 6. In the second embodiment, as shown in FIG.
In addition to the mounting plate 13a extending from 1 being formed in the shape of a frame with the window hole 14 opened, the locking portion 18 is provided at the tip thereof at right angles to the extending direction of the mounting plate 13a. Are formed so as to project and form a plane T-shape as a whole. The other structure is similar to that of the first embodiment.

The second embodiment has such a structure, and the mounting plate 13a of the correction plate 11 is fitted in the fitting groove 7 of the housing 1 while bending inward from the left and right. Along with that, Fig. 6
As shown in FIG. 5, the engaging portion 18 at the tip of the mounting plate 13 a is fitted into the raised portion 6 of the housing 1 on the inner side.

That is, in the second embodiment, the above-mentioned first
In addition to the effect of the embodiment, since the locking portion 18 of the mounting plate 13a is locked at the back side of the raised portion 6, the correction plate 11 is positioned on the front side of the projecting surface of the terminal pin 5 of the housing 1. The shift is surely prevented, and the lateral deflection of the correction plate 11 is also prevented.

7 and 8 show a third embodiment, which is the third embodiment.
In the embodiment, the mounting plate 13b extending from the straightening plate 11 is formed in a frame shape by opening the window hole 14, and the tip of the mounting plate 13b extends in the extending direction of the mounting plate 13b. Further, the extending portion 20 is continuously formed, and two fitting holes 21 are arranged in the extending portion 20 at regular intervals in the extending direction.

On the other hand, at the rear position of the fitting groove 7 on the mounting surface 1a of the housing 1, two bosses 22 that fit into the fitting holes 21 are provided so as to project. Other structures are the same as those in the first embodiment.

The third embodiment has such a structure. When the mounting plate 13b of the straightening plate 11 is fitted into the fitting groove 7 of the housing 1 while bending the left and right frame portions 15, it is extended together with it. Each fitting hole 21 of the portion 20 is fitted into a corresponding boss 22 on the housing 1.

In the third embodiment, in addition to the same advantages as those of the first embodiment described above, the correction plate 11 is moved to the housing 1 by the fitting of the boss 22 and the fitting hole 21.
The terminal pin 5 is reliably prevented from being displaced to the front side of the projecting surface, and since the boss 22 and the two fitting holes 21 are provided, the straightening of the correction plate 11 in the horizontal direction is also prevented. Be blocked.

The present invention is not limited to the ones illustrated in the above-described embodiments, but a housing in which a plurality of terminal pins whose tip portions are bent at a right angle are projected from one surface and tip portions of the terminal pins are provided. The present invention can be widely applied to all connectors provided with a straightening plate having a positioning hole into which is inserted.
Further, in the third embodiment, the boss 22 is arranged on the housing 1 side and the fitting hole 21 is arranged on the correction plate 11 side, but the arrangement may be reversed, and not the holes but the uneven fitting. May be.

Although the terminal pin is a square pin in any of the embodiments, it may be used by changing it to a round pin or a flat tab.

[Brief description of drawings]

FIG. 1 is an exploded perspective view of a first embodiment of the present invention.

FIG. 2 is a perspective view after the assembly.

FIG. 3 is a plan view of the same.

FIG. 4 is an enlarged sectional view of the same portion.

FIG. 5 is a perspective view of a correction plate according to a second embodiment of the present invention.

FIG. 6 is a plan view of the second embodiment after assembling.

FIG. 7 is an exploded perspective view of a third embodiment of the present invention.

FIG. 8 is a plan view after the assembling.

FIG. 9 is an exploded perspective view of a conventional example.

FIG. 10 is a plan view after the assembling.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 ... Housing 1a ... Mounting surface 5 ... Terminal pin 7 ... Fitting groove 8 ... Locking projection 11 ... Straightening plate 12 ... Positioning hole 13, 13a, 13b ... Mounting plate 14 ... Window hole 15 ... Frame part 18 ... Locking part 20 ... Extension part 21 ... Fitting hole 22 ... Boss

Claims (3)

[Claims] 1. A housing provided with a plurality of terminal pins whose tip portions are bent substantially at right angles and protruding from one surface, and a correction plate having a positioning hole into which the tip portions of the terminal pins are inserted. In the connector, a mounting plate that is bendable and deformable in the width direction is extended to one edge of the correction plate, and the mounting plate is retained on a side surface of the housing that is adjacent to the projecting surface of the terminal pin. A connector in which a fitting portion that is elastically engaged in a state is formed. 2. The tip of the mounting plate of the correction plate,
2. The connector according to claim 1, wherein a locking portion is formed which extends outward from the tip of the mounting plate and is engageable with the rear end portion of the fitting portion. 3. The housing-side surface for mounting the mounting plate of the correction plate is provided with two or more recesses or projections, and the mounting plate can be fitted into the recesses or projections. The connector according to claim 1, wherein the convex portion or the concave portion is arranged.