JPS5911417Y2 - female electrical connector - Google Patents

Description

[Detailed Description of the Invention] The present invention relates to a female electrical connector that is mainly used as a device in a connector housing, and the electrical contact portion for the male electrical connector is made of a highly elastic metal member such as beryllium copper.
Increase that contact pressure and electrically? This is intended to improve the reliability of the connection.

Conventionally, in this type of electrical connector, the electrical contact portion and the wire connection portion have been integrally formed from a copper plate, brass plate, or the like, which has good conductivity and malleability, and is easy to process.

Therefore, the springiness of the electrical contact part is regulated by the metal material, and under the constraint of making the electrical connector as small as possible, it is difficult to significantly improve the contact pressure even if the structure and shape are changed. Ta.

In addition, when connecting with a male electrical connector, it may be inserted in an unreasonable position where the axes intersect with each other, but the electrical contact part is also made of a material with emphasis on malleability as described above. Because of this, plastic deformation occurs and the contact pressure decreases, making it unusable.

The present invention was developed by focusing on the above-mentioned points, and by forming the electrical contact part with a highly elastic metal member, the contact pressure is increased and plastic deformation is less likely to occur.On the other hand, the electric wire connection part is made similar to the conventional one. Our aim is to provide a highly reliable female electrical connector that can make a stable electrical connection by forming it from a copper plate or brass plate.

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

In FIGS. 1 and 2, A is a female electrical connector, which is composed of two members: an electrical contact portion A1 and a wire connection portion A2.

The electrical contact part A has elastic supporting arms 2 on both sides of the base part 1.

The supporting arm 2 consists of a side wall plate part 2a that stands upright and connected to the base plate part 1, and a curled part 2b that is bent in an inverted U-shape with the extending ends of the side wall plate part 2a facing inward.

The above structure is the same as the conventional one, but in the present invention, the entire structure is made of a highly elastic metal member such as beryllium copper, phosphor bronze, or spring steel.

The substrate portion 1 also has a tapered surface 3a at the front end thereof.
A stepped portion 3 is provided, and a circular punch hole 4 is provided in the center.

Further, the elastic clamping arm 2 is provided with a horizontally elongated locking hole 5 in contact with the base plate part 1 at the upright base of the side wall plate part 2a, and a substantially semicircular notch part 6, in the opposing curled parts 2b, 2b. 6 will be provided.

The circle defined by the notches 6, 6 is concentric with the punch through hole 4, and its diameter is slightly larger than the punch through hole 4.

On the other hand, the electric wire connection part A2 has locking pieces 8 protruding from both sides of the connecting plate 7, an oval hole 9 in the center, and a pair of crimp clamping pieces 1 for the conductor and insulation coating of the electric wire continuously at the rear part.
0 and 11 are provided and omitted.

The elliptical hole 9 is for expanding the connecting plate 7 in the lateral direction as described later, and its center coincides with the center of the punch hole 4, and its long sleeve coincides with the axial direction.

This electric wire connection portion A2 is integrally formed of a non-highly elastic metal member such as a copper plate or a brass plate, as in the conventional case.

Next, assembly will be explained.

First, insert the wire connecting part from the rear of the electrical contact part A1, and abut the tip of the connecting plate 7 against the stepped part 3 of the base plate part 1, and as shown in FIG. are aligned and set on a die (not shown).

Next, a punch B is press-fitted into the ellipse 7L9 from above the middle of the elastic supporting arms 2, 2.

As a result, as shown in FIG. 4, the short axis of the oval hole 9 expands, and the base plate 1 also expands in the lateral direction, and the locking pieces 8, 8 thereof expand.
enters the locking holes 5, 5 of the elastic clamping arm 2, and the base plate 1 and the connecting plate 7 are coupled together in a manner that cannot be removed from the front or back.

When press-fitting the punch B, the diameter of the circle formed by the notches 6, 6 of the elastic clamping arms 2, 2 is larger than that of the punch B, so the elastic clamping arms 2 are not deformed. The same applies to the substrate section 1.

In the above structure, the mating connector (male terminal) is fitted between the connecting plate 7 and the edge of the curled portion 2b of the elastic supporting arm 2, as is conventional. 2 is made of a highly elastic metal member.

Therefore, the contact pressure is higher than that of conventional ones made of copper plates, and the male terminals are strongly pressed against the connecting plate 7.

Incidentally, since the tapered surface 3a is formed at the tip of the substrate portion 1, the male terminal can be inserted and inserted smoothly.

In addition, since the elastic supporting arm 2 has strong elasticity, even if the male terminal is repeatedly attached and detached, or an excessive force is applied when inserting and inserting the male terminal, the elasticity of the arm 2 will not deteriorate.

The above description has been made of the case where the punch through hole 4 is made circular and the enlarged hole of the connecting plate 7 is made an oval hole 9 by press-fitting the punch B. It can be assembled in the same way even if a cut arrow part is provided.

Moreover, when the elastic supporting arm 2 is relatively small with respect to the base plate part 1, the notch part 6 of the curl part 2b may be omitted.

Since the present invention has the above-mentioned precautions, it is possible to increase the contact pressure at the electrical contact part against the other connector, and also to firmly connect the electrical contact part and the wire connection part. Since the connecting plate at the connecting portion comes into contact with the mating connector under high contact pressure, it is possible to provide a highly reliable female electrical connector with a stable electrical connection state.

[Brief explanation of drawings]

The drawings show one embodiment of the present invention; FIG. 1 is a perspective view of the separated state, FIG. 2 is a perspective view of the assembled state, and FIGS. 3 and 4 are plan views of essential parts showing the assembly process. It is. A1... Electrical contact part, A2... Wire connection part, 1...
・Board part, 2... Elastic clamping arm, 4... Punch hole,
5... Locking hole, 6... Notch, 7... Connecting plate, 8
... Locking piece, 9 ... Oval hole for expanding the connecting plate.

Claims (1)

[Scope of utility model registration request] An electrical contact portion having elastic supporting arms on both sides of the substrate portion and made of a highly elastic metal member such as beryllium copper, and a non-high elasticity metal member having a crimping clamping piece for the electric wire continuously on one side of the connecting plate to the substrate portion. A punch through hole is provided in the center of the base plate, a locking hole is provided in the rising base of the elastic supporting arm, and a locking piece is provided protruding from the connecting plate. At the same time, an enlarged hole is provided in the connecting plate concentrically with the punch through hole, and after aligning the enlarged hole and the punch through hole, the locking piece is locked by enlarging the connecting plate by press-fitting the punch. A female electrical connector, characterized in that the electrical contact part and the electrical connection part are connected by protruding into a hole, and the connecting plate is arranged to face the elastic supporting arm.