JP2000357551A - Contact of electric connector - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a contact of a compact electric connector with simple constitution, capable of easily manufacturing, giving high contact force, and preventing elastic deformation even in sufficient displacement. SOLUTION: This contact 21 of an electric connector is made of almost a rectangular plane plate material, and has first and second spring parts 31, 32. A contact part 22 is projected from one end of the first spring part 31. The first and second spring parts 31, 32 are connected at one end, adjacent on sides each other, and a hole 35 is formed between a base part 27 which is a common end and themselves.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a contact for an electrical connector.

[0002]

2. Description of the Related Art As contacts of this type of electrical connector,
Japanese Utility Model Laid-Open No. 7-18365 and Japanese Utility Model Laid-open No. 63-220074
There is a number.

In Japanese Patent Application Laid-Open No. 9-204969 filed by the patent applicant of the present invention (Japan Aviation Electronics Industry Co., Ltd.), PG
An electrical connector contact for A is disclosed.

[0004]

However, such a conventional contact of an electric connector has a complicated structure, is bulky, and is expensive and difficult to manufacture.

Further, if the actuator can be sufficiently displaced and manufactured in a small size, the contact force must be designed to be low. In other words, there is a drawback that, when manufacturing is performed to obtain a large contact force and sufficiently displaced, plastic deformation easily occurs and a desired design cannot be performed.

Accordingly, it is an object of the present invention to provide a contact of an electrical connector which has a simple structure, is small in size and can be easily manufactured, has a high contact force, and does not undergo plastic deformation even when sufficiently displaced. It is to be.

[0007]

The present invention employs the following means in order to solve the problems.

(1) A contact which has a conductive contact portion for making an electrical connection by making contact with a mating contact, and in which a load for displacing the contact portion is applied to a contact of an electric connector mounted on an insulating housing. At the same time, each beam is divided by at least one or more slits so as to be displaced at the same time, whereby two or more cantilever beams having the base portion as a common fixed end are formed. Characteristic electrical connector contacts.

(2) The contact of the electrical connector according to (1), wherein the contact is formed in a flat plate shape.

(3) A contact of an electric connector comprising a contact portion formed of a conductive plate material and provided along a direction in which a mating contact is received, and a spring portion extending from the contact portion. A contact for an electrical connector, wherein at least one slit is provided in a direction orthogonal to a receiving direction of a mating contact to divide the spring portion, and at least one spring portion is used as an auxiliary spring.

(4) A first spring portion having a substantially rectangular flat plate material having one and the other end and both sides, and a first spring portion protrudes from one end of the first spring portion in a mating contact receiving direction, and A contact portion for making an electrical connection by contacting the side contact; and a base extending from the other end of the first spring portion parallel to the mating contact receiving direction and fixed to the insulating housing. A contact member of the electrical connector, further comprising a second spring portion having one end continuous with the other end, the sides being adjacent to the first spring portion, and the other end extending to the base portion. Electrical connector contacts.

(5) In the contact of the electrical connector according to (4), a hole is formed between the other end of each of the first and second spring portions and the base portion. A contact for an electrical connector, wherein the length accuracy of adjacent sides is improved.

[0013]

When the connector is mated, the contact of the electric connector is
At the contact portion, the other contact is received. At this time, a load for displacing is applied to the contact portion of the contact of the electrical connector.

Specifically, one beam and the other adjacent beam are simultaneously pushed and elastically displaced. That is, the contacts of the electrical connector act as at least a pair of cantilever beams, with the base being a common fixed end.

[0015]

DESCRIPTION OF THE PREFERRED EMBODIMENTS (Related Invention of the Present Invention) Before describing a contact of an electrical connector according to an embodiment of the present invention, a related invention of the present invention will be described.

Referring to FIGS. 4 and 7, the contact 11 of the electric connector according to the present invention is formed of a conductive flat plate and provided along the direction in which the mating contact 45 is received. Contact portion 13, a spring portion 15 extending from the contact portion 13 in a direction orthogonal to the direction in which the mating contact 45 is received, and the other end of the spring portion 15 parallel to the direction in which the mating contact 45 (FIG. , A hook portion 18 for fixing, and a soldering terminal 19
And As shown in FIG. 14, in the spring portion 15 of the contact 11, the contact force is high but the displacement cannot be sufficiently performed.

FIG. 5 shows a contact 11-1 of an electric connector according to a modification of the related invention of the present invention. As shown in FIG. 14, the contact 11-1 can be sufficiently displaced, but the contact force of the spring portion 15-1 is low.

(First Embodiment of the Present Invention) A contact of an electric connector according to a first embodiment of the present invention will be described with reference to the drawings.

As shown in FIGS. 1 to 3 and FIG. 7, the contact 2 of the electrical connector according to the first embodiment of the present invention is shown.
Reference numeral 1 is used for the socket side connector 51 of the socket side / plug side connector pair, and is formed of a flat surface. The socket-side connector 51 includes a socket-side insulating housing 55 (FIG. 7). Since a large number of grooves formed at a predetermined narrow pitch are provided on both inner sides along the longitudinal direction of the socket-side insulating housing 55, a large number of contacts 21 of the electrical connector are arranged in a narrow pitch, that is, two rows. They are planted side by side.

On the other hand, with reference to FIGS. 7 to 13 and particularly to FIG. 12, the contact 45 of the plug-side connector 41 according to the first embodiment of the present invention comprises a contact portion 47 and a hook portion 49. Prepare. The plug-side connector 41 includes a plug-side insulating housing 43. The contacts 45 of the plug-side connector 41 correspond to the contacts 21 of the socket-side connector 51 in one-to-one correspondence with two rows of grooves formed on the upper surface of the plug-side insulating housing 43 along the longitudinal direction thereof. The hooks 49 are hooked and arranged.

More specifically, referring to FIG. 1, the contact 21 of the socket-side connector 51 includes a first spring portion 31 having a substantially rectangular flat plate material having one and the other end and both sides.
, The second spring portion 32 and the first spring portion 31 project from one end of the first spring portion 31 along the receiving direction of the mating contact 45 (FIGS. 7, 12, and 13). Contact portion 22 for making electrical connection by contacting
The base 27 extends from the other end of the first spring portion 31 in parallel with the receiving direction of the mating contact 45 and is embedded and fixed in the grooves on both inner sides of the socket-side insulating housing 55 (FIG. 7). , A hook portion 28, and a soldering terminal 24.

One end of the second spring portion 32 is continuous with each other,
The sides are adjacent to the first spring portion 31, and the other end extends as the base 27.

A hole 35 is formed between the other end of each of the first and second spring portions 31 and 32 and the base 27, thereby improving the accuracy of the length between adjacent sides. Let it. When the accuracy of the length between the adjacent sides is not required, the contact 21-1 of the electric connector shown in FIG. 6 is used.

As shown in FIG. 14, according to the contact 21 of the electric connector according to the present invention, when compared with 21 in FIG. 3 and 11 in FIG. A large area without deformation is obtained.

(Second Embodiment of the Present Invention) Next, a contact of an electrical connector according to a second embodiment of the present invention will be described with reference to the drawings (FIGS. 15 and 16).

The contact 61 of the electrical connector of the present invention shown in FIG. 13 is used for an FPC connector, and includes a contact portion 63 that contacts the FPC 73, a first spring portion 64-1, and a second spring portion.
, A fixed end 65, a base 67, and a solder terminal 69. A hole is formed between the first spring portion 64-1, the second spring portion 64-2, and the base 67, and the first spring portion 64-1 and the second spring portion 64-2 are formed.
The accuracy of the length of adjacent side portions is improved.

The insulating housing 71 used for the FPC connector has a contact portion 6 of a plurality of contacts 61 arranged in a line.
3 is provided with an actuator (slider) 75 for guiding the FPC 73.

The actuator (slider) 7 shown in FIG.
5 is rotated to the right by 90 degrees and opened, and the FPC 73 is inserted. After rotating around the fixed end 65 to the left by about 90 degrees to the original position, the FPC 73 is incorporated into the connector as shown in FIG. The contact portion 63 is fitted in contact with the contact portion 63.

[0029]

The contact of the electrical connector according to the present invention acts as at least one pair of cantilever beams having a base as a common fixed end when the connector is fitted. As a result, with a simple structure,
Small and easy to manufacture, yet with high contact force,
There is an effect that it is possible to provide a contact of an electric connector which does not undergo plastic deformation even when sufficiently displaced.

[Brief description of the drawings]

FIG. 1 is a front view of a contact 21 of an electric connector according to a first embodiment of the present invention.

FIG. 2 is a diagram showing a state when a load f is applied to a contact 21 of the electrical connector according to the first embodiment of FIG.

FIG. 3 is a perspective view of a contact 21 of the electrical connector according to the first embodiment of the present invention.

FIG. 4 is a perspective view of a contact 11 of the electrical connector according to a related invention of the present invention.

FIG. 5 is a perspective view of a contact 11-1 of an electric connector according to a modification of the related invention of the present invention.

FIG. 6 is a front view showing a modification of the contact 21 of the electric connector according to the first embodiment of the present invention.

FIG. 7 is an exploded perspective view of the electrical connector according to the first embodiment of the present invention.

8 is a plan view of the socket-side connector 51 according to the first embodiment of FIG.

FIG. 9 is a cross-sectional view of the socket-side connector 51 cut along the line IX-IX in FIG. 7;

FIG. 10 is a front view of the socket-side connector 51 of FIG. 7;

FIG. 11 is a right side view of the socket-side connector 51 of FIG. 7;

FIG. 12 is a perspective view of a contact 45 of the plug-side connector 41 of FIG. 7;

13 is a cross-sectional view when the hook portion 49 of the contact 45 is hooked and fitted into two rows of grooves of the plug-side connector 41 of FIG.

FIG. 14 is a diagram showing a result of an evaluation test of the electrical connector according to the first embodiment of the present invention.

15 is a cross-sectional view taken along line XV-XV of FIG. 16 when the FPC 73 is fitted to the electrical connector according to the second embodiment of the present invention.

16 is a perspective view of the electric connector of FIG. 15 when an actuator (slider) 75 is closed.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 11 Contact of electric connector 13 Contact part 15 Spring part 15-1 Spring part 17 Base part 18 Hook part 19 Solder terminal 21 Contact of electric connector 21-1 Contact of electric connector 22 Contact part 23 Slit 24 Solder terminal 27 Base part 28 Hook part 31 First spring part 32 Second spring part 41 Plug-side connector 43 Plug-side insulating housing 45 Mating contact 51 Socket-side connector 55 Socket-side insulating housing 61 Contact 63 Contact part 64-1 First Spring part 64-2 Second spring part 65 Fixed end 67 Base 69 Solder terminal 73 FPC (Flexible Printed C)
circuit) 75 Actuator (slider)

Claims (5)

[Claims] 1. A contact of an electrical connector having an electrically conductive contact portion for making an electrical connection by contacting a mating contact, wherein a load for displacing the contact portion is applied to the contact portion of the electric connector mounted on the insulating housing. A beam split by at least one or more slits so as to be simultaneously displaced, whereby two or more cantilevers having a base as a common fixed end are formed. And electrical connector contacts. 2. The contact of the electrical connector according to claim 1, wherein the contact is formed in a flat plate shape. 3. A contact of an electrical connector comprising a contact portion formed of a conductive plate material and provided along a direction for receiving a mating contact, and a spring portion extending from the contact portion. Providing at least one or more slits in a direction perpendicular to the receiving direction of the side contact, dividing the spring portion,
A contact for an electrical connector, wherein at least one spring portion is used as an auxiliary spring. 4. A first spring portion having a substantially rectangular flat plate material having one end, two ends, and both sides, and a first spring portion protruding from one end of the first spring portion along a mating contact receiving direction, and A contact portion for making an electrical connection by contacting a contact;
A contact extending from the other end of the spring portion and having a base fixed to the insulating housing, wherein one end of the contact is continuous and the sides are adjacent to the first spring portion; The contact of an electrical connector further comprising a second spring portion having the other end extending to the base. 5. The contact of the electrical connector according to claim 4, wherein a hole is formed between the other end of each of the first and second spring portions and the base portion, thereby forming an adjacent portion. A contact of an electrical connector characterized by improving the accuracy of the length between sides to be connected.