JPH1083852A - Electric contact - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an electric contact having stable contacting property with conductive members in the case terminals of a conductive member, which is produced by forming foil-like conductive parts in both sides or one side of a flat insulator, are formed. SOLUTION: An electric contact 1 has terminal forming parts 20 to form terminals of a conductive member 60 and elastic contact parts 30 to be brought into elastic contact with the conductive member 60. The elastic contact parts 30 have elastic pressing pieces 33 having projected parts 34 with approximately spherical face to press the conductive member 50 and also have approximately circular holes 38 having hole rim parts to bring a conductive part 62 of the conductive member 62 pressed by the projected parts 34 into contact with the rim parts in circular circumferences.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an electrical contact for terminating a flat conductive member provided with a foil-shaped conductor on both sides or one side of a flat insulator.

[0002]

2. Description of the Related Art Conventionally, as an electrical connector for terminating a conductive member made of a foil-like metal sheet, for example,
The one shown in FIG. 4 is known (U.S. Pat.
7,316). This electrical connector 100
As shown in FIG. 4A, it has two opposing plate portions 101 and 102 connected at one end, and is formed by punching and bending a metal plate. Each of the upper and lower plate portions 101 and 102 is formed such that a tooth 104 and a tooth 105 facing the tooth 104 extend in a direction approaching each other.
And the teeth 105 are connected to the upper and lower plate portions 101, 10
2 are alternately arranged in two rows. The conductive member 110 made of a foil-like metal sheet is the same as that shown in FIG.
As shown in FIG. 4B, it is inserted between the upper plate portion 101 and the lower plate portion 102 of the electrical connector 100. Further, as shown in FIG. 4C, the upper plate portion 101 and the lower plate portion 102 are pressed toward each other to pierce the teeth 104 to the conductive member 110 and to penetrate the teeth 105 through the conductive member 110 to terminate the electrical connector 100. In FIG. 4, reference numeral 103 denotes an electric wire connection portion for crimping and connecting the electric wire 120.

[0003]

However, in the conventional electric connector 100, the conductive member 110 is not provided.
Is terminated to the electrical connector 100, the teeth 104 are pierced by the conductive member 110, and the teeth 105 penetrate the conductive member 110, so that the teeth 104 and 105 in the conductive member 110 The connection part is structurally weak, and there is a problem that the contact of the electrical connector 100 with the conductive member 110 is unstable.

Accordingly, an object of the present invention is to provide an electric contact having a stable contact with the conductive member when terminating the conductive member provided with a foil-shaped conductor on both sides or one side of the flat insulator. To provide.

[0005]

According to the present invention, there is provided an electric contact, comprising: a terminating portion for terminating a flat conductive member provided with a foil-shaped conductor on both sides or one side of a flat insulator; An elastic contact portion elastically contacting the conductive member, the elastic contact portion having an elastic pressing piece having a substantially spherical protrusion for pressing the conductive member; A substantially circular hole having a hole edge with which the conductor portion of the conductive member opposed to and pressed by the projecting portion is substantially circumferentially contacted is provided.

Further, the electric contact according to the present invention is characterized in that a flat conductive member having a foil-shaped conductor provided on both sides or one surface of a flat insulator is terminated; An elastic contact portion that elastically contacts the elastic contact portion, the elastic contact portion has an elastic pressing piece having a substantially spherical protrusion that presses the conductive member, and opposes the protrusion of the elastic pressing piece. A substantially circular hole having a hole edge in which the conductor of the conductive member pressed by the protrusion is contacted in a substantially circumferential shape;
The elastic pressing piece may include a stopper for holding the pressing state of the elastic pressing piece by the protrusion. According to this, when the conductor of the conductive member comes into contact with the substantially circular hole, the pressed state by the protrusion of the elastic contact piece is held by the stopper, so that the contact property of the electrical contact to the conductive member is improved. It will be more stable.

[0007]

Embodiments of the present invention will be described with reference to the drawings. FIG. 1 shows a state in which a conductive member is terminated to an electric contact of the present invention, (A) is a perspective view thereof,
(B) is a partially enlarged sectional view taken along line 1B-1B of (A), FIG. 2 shows the electric contact of FIG. 1, (A) is a perspective view of the electric contact, and (B) is a front view of the electric contact. FIGS. 3 and 3 also show the electrical contact of FIG.
2 is a plan view of the electric contact, and FIG. 2B is a bottom view of the electric contact.

In these figures, the electric contact 1 includes a terminating portion 20 for terminating a flat conductive member 60 provided with a foil-shaped conductor portion 62 (see FIG. 1B) on both sides or one side, and The housing includes an elastic contact portion that elastically contacts the conductive member, a housing fixing portion that is press-fitted and fixed to an insulating housing (not shown), and a mating terminal contact portion that contacts a mating terminal (not shown). Then, it is formed by punching and bending a metal plate.

The terminating portion 20 is a terminating base 21 extending rearward (to the right in FIG. 2B) of the contact base 10.
A raised portion 22 protruding from the surface of the termination base 21; a plurality of grooves 23 formed at predetermined intervals on the surface of the raised portion 22; And a plurality of pairs of crimping pieces 24 for crimping the conductive member 60. Although the termination 20 is described as crimping the conductive member 60, it may be pierced with the conductive member 60.

The elastic contact portion 30 is provided on the contact base 1.
0, a pair of side walls 31 and 32 raised from both sides, and an elastic pressing piece 33 that is bent inward from one side wall 31 and extends rearward of the contact base 10. The elastic pressing piece 33 has a substantially V-shaped cross section from the front to the rear of the contact base 10 in the free state. At a substantially central portion in the front-rear direction of the elastic pressing piece 33, a substantially spherical protrusion 34 is formed to press the conductive member 60 terminated by the termination 20. The protrusion 34
It is formed by embossing the elastic pressing piece 33. On the other hand, a substantially circular hole 38 is formed in the contact base 10 at a position facing the protrusion 34 of the elastic pressing piece 33,
The substantially circular hole 38 has a hole edge with which the conductor 62 of the conductive member 60 pressed by the protruding portion 34 comes into substantially circumferential contact. Further, a pair of stoppers 36, 36 for the elastic pressing piece 33 is raised from both sides behind the side walls 31, 32 of the contact base 10.
Reference numerals 36 each have an opening 37. In the opening 37,
When the protruding portion 34 presses the conductive member 60, the locking portions 35, 35 protrudingly formed on both sides of the rear end of the elastic pressing piece 33.
Is inserted, and the upward movement of the elastic pressing piece 33 is regulated by the engagement of the locking portions 35, 35 with the upper walls of the openings 37, 37. Thus, the pressing state of the elastic pressing piece 33 by the protruding portion 34 is maintained. In addition, from the side wall 32 opposite to the side wall 31 from which the elastic pressing piece 33 is bent, a protection piece 39 for protecting the upper side of the elastic pressing piece 33 is formed to be bent inward. In FIG. 1B, reference numeral 43 denotes a stopper piece for restricting the forward movement of the conductive member 60, and this stopper piece 43 is
Formed from below.

The housing fixing portion 40 is formed of a pair of press-fitting walls 4 that are raised from both front sides of the contact base 10.
1 and 41, and a lance 42 protruding downward between the press-fit walls 41, 41 of the contact base 10.

Further, the mating terminal contact portion 50 has a lower contact plate 51 extending to the front side of the contact base 10, and a pair of upper contacts which are bent from both sides of the lower contact plate 51 and are joined by a mating surface 53. The lower surface of the lower contact plate 51 and the upper surface of the upper contact plate 52 are tab-shaped with flat surfaces, and the mating terminal (not shown) is a lower contact plate 5.
1 and the upper surface of the upper contact plate 52.

On the other hand, the conductive member 60 is formed by attaching a foil-shaped conductor 62 to both sides or one side of a flat insulator 61 via a silver paste. In the present embodiment, the conductor portion 62 is made of carbon, and is provided on one surface of the flat insulator 61 as shown in FIG. At one end of the conductive member 60, an insertion portion 63 to be inserted into the termination portion 20 of the electric contact 1 is formed. , 24.

In order to terminate the conductive member 60 to the electric contact 1 and further to make the elastic contact portion 30 elastically contact the elastic contact portion 30, the insertion portion 63 of the conductive member 60 is connected to the terminal 2 of the electric contact 1.
0, and the pair of crimping pieces 24, 24 is inserted with the tip of the insertion portion 63 in contact with the stopper piece 43 of the electrical contact 1 as shown in FIG. It is bent and crimped, and the elastic pressing piece 33 of the electric contact 1 is further bent.
By pressing the locking portions 35, 35 formed on both sides of the rear end of the elastic pressing piece 33, the openings 37 of the stoppers 36, 36,
37 may be fitted. Thereby, the conductive member 6
The insertion portion 63 of the electrical contact 1 is terminated to the termination portion 20 of the electrical contact 1, and the insulator 61 side of the conductive member 60 is pressed by the protrusion 34 of the elastic pressing piece 33, so that the conductor portion 62 of the conductive member 60 is The edge of the substantially circular hole 38 is substantially circumferentially contacted. Thus, in the present embodiment, the conductive member 60
Is terminated to the electric contact 1 and the elastic contact portion 30 of the electric contact 1 elastically contacts the conductive member 60, so that the contact property of the electric contact 1 to the conductive member 60 becomes stable. The conductive member 6 of the elastic contact portion 30
0 at the time of elastic contact with the conductive portion 6 of the conductive member 60.
2 is substantially circumferentially in contact with the hole edge of the substantially circular hole 38,
The contact area is larger than in the case where the conductor portion 62 contacts in a point-like or linear manner, so that heat concentration does not occur at the contact portion, and the risk of heat generation is avoided.

[0015]

According to the electric contact of the present invention, a terminating portion for terminating a conductive member provided with a foil-shaped conductor on both sides or one side of a flat insulator, and an elastic contact with the conductive member. With the elastic contact portion, when the conductive member is terminated, the contact property of the electric contact to the conductive member becomes stable. And the elastic contact portion has a substantially spherical protrusion for pressing the conductive member, and the conductive member opposed to the protrusion of the elastic press member and pressed by the protrusion. The conductor portion of the conductive member has a substantially circular hole having a hole edge that is contacted in a substantially circumferential shape, so that when the elastic contact portion makes an elastic contact with the conductive member, the conductor portion of the conductive member has a substantially circular hole. The contact area is larger than the case where the conductor contacts the electrical contact in a point-like or linear manner. Sex can be avoided.

[Brief description of the drawings]

FIG. 1 shows a state in which a conductive member is terminated to an electric contact of the present invention, (A) is a perspective view thereof, and (B) is (A).
FIG. 2 is a partially enlarged sectional view taken along line 1B-1B of FIG.

FIGS. 2A and 2B show the electrical contact of FIG. 1, wherein FIG. 2A is a perspective view of the electrical contact and FIG. 2B is a front view of the electrical contact.

3A and 3B show the electrical contact of FIG. 1, wherein FIG. 3A is a plan view of the electrical contact and FIG. 3B is a bottom view of the electrical contact.

4A and 4B show a conventional electrical connector, wherein FIG. 4A is a perspective view of the electrical connector, FIG. 4B is a perspective view of the electrical connector of FIG. 4A with a conductive member terminated, and FIG. 4C-)
It is sectional drawing along line 4C.

DESCRIPTION OF SYMBOLS 1 Electrical contact 20 Termination part 30 Elastic contact part 33 Elastic pressing piece 34 Projection 38 Substantially circular hole 60 Conductive member 61 Flat insulator 62 Conductor

Claims (1)

[Claims] 1. A terminating portion for terminating a flat conductive member having a foil-shaped conductor portion provided on both sides or one surface of a flat insulator, and an elastic contact portion elastically contacting the conductive member. The elastic contact portion has an elastic pressing piece having a substantially spherical protrusion for pressing the conductive member, and the conductive member opposing the protrusion of the elastic pressing piece and being pressed by the protrusion. And a substantially circular hole having a hole edge with which the conductor of the conductive member is contacted in a substantially circumferential shape.