JPS5829571Y2 - female contact - Google Patents

Description

[Detailed explanation of the idea] The present invention relates to female contacts used in electrical connections.

A conventional female contact is made by punching a strip-shaped conductive plate material having spring properties into a continuous array by pressing, as shown in FIG.
Furthermore, it was completed by plating with gold etc.

However, in an automatic assembly type connector that automatically inserts the female contacts into the connector housing, it is necessary to match the spacing between the contact insertion holes in the connector housing with the spacing between the arranged female contacts. In addition, as shown in Figure 1a, since it is necessary to first punch out a long and thin plate, a wide band-shaped plate must be used, which means that a large number of parts are cut out, and the material is not used effectively. When plating is applied to plate materials, the surface area to be plated increases and the plating material is consumed more than necessary.

The purpose of the present invention is to provide a female contact that can be processed at intervals that match the intervals of the contact insertion holes of the connector housing so that materials are used effectively and loss is reduced, and it is suitable for automatic assembly. .

An embodiment of the present invention will be described below with reference to the drawings.

FIG. 2a shows the shape after punching out the strip material.

The female contact 1 is made up of two parallel strips 2 and 3, and until it is inserted into the connector housing, one strip 2 is inserted into the connector housing.
is connected to the bridge 4 at one end, and the spacing between successive female contacts is equal to the spacing between the contact insertion holes of the connector housing.

One of the stripes 2 mainly includes an introduction section 5 which will be described later which is connected to the bridge 4, a support section 6 which is connected to the introduction section 5, and a support section 6 which is connected to the introduction section 5.
It consists of a spring section 7, which will be described later, which is connected to the spring section 7.

A pair of press-fit protrusions 8s protrudes from both sides of the support portion 6.

The other strip 3 has a connecting portion 9 projecting perpendicularly to one side from the support portion 6 of the one strip 2, and a connecting portion 9 connected to the connecting portion 9 and extending parallel to the one strip 2 at its tip end to the connector housing. The leg portion 10 is tapered so that the connector can easily pass through the hole when inserting the connector and mounting the connector on a circuit board or the like.

Next, FIG. 2 shows the state of the material shown in FIG. 2a after being bent.

First, one of the strips 2 is bent and extended in a first U-shape in the direction of the introduction part 5 so as to form an acute angle with the support part 6 from a point approximately indicated by a dotted line 11, and then from a point indicated by an approximately dotted line 12. The spring part 7 is formed by being bent again into a second U-shape so as to approach the support part 6.

The part near the tip of the spring part 7 is shallowly curved toward the inside of the spring part 7, and the protruding part due to the curve is always elastically in contact with the support part 6 to form a contact part 13, and is inserted into the main female contact. The contact portion and the support portion 6 come into contact with the mating terminal in a sandwiching manner.

Furthermore, the strip plate 2 has a press-fit protrusion 8.8 which is shallowly curved from near the edge near the bridge 4 in the opposite direction to the spring part 7 so as to form an obtuse angle with the support part 6, and further connects with the bridge 4. The bridge 4 is shallowly curved in the opposite direction so that the surface of the bridge 4 and the surface of the support portion 6 are approximately parallel to each other.

The portion between these two curved portions is the introduction portion 5 that functions to smoothly guide the mating terminal to the contact portion 13 when the mating terminal is inserted into the main female contact.

The other strip 3 is bent from the point where the connecting portion 9 connects to the supporting portion 6 to such an extent that it comes into substantially close contact with the surface of the supporting portion opposite to the spring portion 7 .

The leg part 10 leading to the connecting part 9 curves along the first U-shaped curve of the spring part 7 and then in the opposite direction, and then extends in a direction parallel to the support part. The leg 1
The contact portion 13 of the spring portion 7 is approximately located on the extension line of 0.

The female contacts 1 are automatically inserted into the connector housing in the state shown in FIG. The press-fitting portion 14 has a width wider than the width of the strip plate 2.
The connector is cut into individual pieces and inserted into the connector housing.

FIG. 3 shows a cross-sectional view of the female contact 1 completely inserted into the connector housing.

In this state, the press-fitting protrusion 8 is press-fitted into the inner wall surface of the eight-sex contact insertion hole 15, thereby preventing the female contact from being pulled out.

Similarly, since the press-fitting part 14 is press-fitted into the inner wall surface near the opening of the contact insertion hole 15, the introduction part 5 is stably held at its end, and when a mating terminal (not shown) is inserted, the introduction part 5 is Prevent accidents such as misalignment and deformation.

Another embodiment of the invention is shown in Figure 4a.

The shape of the female contactor 1' of this example before bending is approximately the same as that shown in FIG. It is bent into a U-shape and expanded, and then its tip is shallowly curved in a direction away from the support part to form a spring part 16, and the protruding part due to the curve comes into elastic contact with the support part 6 to form a contact part 17. The contact portion 17 and the support portion 6 sandwich and contact the mating terminal to be inserted in the same manner as in the previous embodiment.

In addition, the other strip plate 3 is bent so that the connecting portion 9 closely touches the surface of the support portion 6 on the opposite side from the spring portion 16, and the leg portion 10 connected to the connecting portion 9 is bent by the spring portion. The contact portion 17 of the spring portion 16 extends in a direction parallel to the support portion 6 after being curved along the U-shaped curved portion of the portion 7 and then in the opposite direction. is approximately located.

The female contactor of the embodiment shown in FIG. 4 is similar to the embodiment of FIG. The only difference is that it extends in a direction parallel to .

It goes without saying that the present invention is not limited to the above-mentioned embodiments, and that design changes can be made without departing from the purpose of the present invention.

Since the female contact of the present invention is made up of two parallel strips as described above, when punching it out of a strip plate at equal intervals to the female contact insertion holes of the connector housing for use in an automatically assembled connector, Compared to conventional products, a narrower plate material is required, and there are fewer parts to remove, so there is less material loss, and even if plated strips are pre-plated, less plating material is consumed. It has the excellent effect of eliminating

[Brief explanation of the drawing]

Fig. 1 is a perspective view showing a conventional example of a female contact, and Fig. 2 is a perspective view showing an embodiment of a female contact according to the present invention, in which a is after punching, b is after bending, and C is after bending. FIG. 3 is a cross-sectional view showing the female contact shown in FIG. 2 C fully inserted into the female contact insertion hole of the connector housing, and FIG. FIG. 3 is a perspective view showing another embodiment of the female contactor according to the present invention. 1.1', 1'--Female contact, 2... One strip plate,
3...Other strip plate, 5...Introduction 6...Support part,
7, 16...Spring part, 8, 8'...Press-fitting protrusion, 9.
...Connection part, 10...Leg rests 13, 17...Contact part, 14...Press-fitting part, 15...Contact insertion hole.

Claims (1)

[Scope of utility model registration request] In a female contact that is successively pressed in a plurality of pieces at intervals equal to the intervals of the contact insertion holes of a connector housing in the length direction of a strip-shaped conductive plate, a support part provided with a press-fitting protrusion, and a support part provided with a press-fit protrusion; One strip consisting of an introduction part having a press-fitting part at one end of the connection, and a spring part connected to the support part and extending in a U-shape in the direction of the introduction part, and having a part in contact with the support part near its tip. a plate, a connecting part that protrudes from the supporting part to one side and is bent so as to come into close contact with a surface of the supporting part opposite to the spring part, and a leg that is connected to the connecting part and extends in a direction opposite to the introduction part. and the other strip plate consisting of.