JPH07326415A - Connector terminal - Google Patents

Abstract

PURPOSE:To prevent the deformation of the connection of a connector terminal. CONSTITUTION:A connector terminal 21 consisting of a bottom plate 22, side plates 23 and 24, a first top plate 25, and a second top plate 26. The first top plate 25 is provided with a projection 25a bent at an acute angle and a recess 25b, and the second top plate 26 is provided with a projection 26a and a curve 26b to engage with the recess 25b and the projection 25a of the first top plate 25. Even if a male terminal not shown in the figure is press-fit in the terminal connection 21 and the side plates 23 and 24 are pushed outward and the fellow first top plate 25 and second top plate 26 are energized to open, since each projection 25a and 26a lock the opposite party, severally, in the direction vertical to the direction of terminal connection, the fellow first top plate 25 and second top plate 26 never open, and the terminal connection 21 is never deformed, either.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a connection terminal having a female terminal connection portion into which a flat blade-shaped connection terminal is inserted.

[0002]

2. Description of the Related Art A conventional connecting terminal of this type is press-formed from a single conductive metal plate as shown in FIG. 6, and its terminal connecting portion 1 has a bottom plate 2 and both sides of the bottom plate 2 folded upward. The side plates 3 and 4 are bent, and the side plates 3 and 4 are bent inward and the top plates 5 and 6 with which the tips of the side plates abut each other are formed into a rectangular tube shape. And these top plates 5,
On the surface of 6 is formed a recess 7 that bulges inward, for example, to prevent deformation of the terminal connecting portion 1.

Further, in the terminal connecting portion 11 as shown in FIG. 7, the bottom plate 12, both side plates 13, 14 and both top plates 1 are provided.
Ribs 17 bulging inward are formed on the entire circumferences of the surfaces 5 and 16 to prevent the terminal connecting portion 11 from being deformed.

[0004]

However, in the above-described conventional example, even if the recess 7 is provided in the terminal connecting portion 1 or the rib 17 is formed in the terminal connecting portion 11, the terminal connecting portion 1 or the terminal connecting portion is formed. When a male terminal on the mating side (not shown) is forcibly pressed into 11 and a prying force is applied, the top plate 5, 6 or the abutting part of the top plate 15, 16 is separated, and the terminal connecting part 1 or There is a problem that the terminal connecting portion 11 is deformed.

An object of the present invention is to solve the above-mentioned problems and to provide a connection terminal in which the terminal connection portion is not likely to be deformed.

[0006]

A connection terminal according to the present invention for achieving the above object has a terminal connection portion formed in a tubular shape by joining conductive metal plates without punching, bending, and superposing them. In the terminal, the joining end surfaces of the terminal connecting portion are inserted into each other on the mating end surface side, and the mating end surface is locked.

[0007]

In the connection terminal according to the present invention having the above-mentioned structure, the joint portion is provided with the mechanism for locking the mating end faces to each other. Therefore, even if the joint portion is biased in the opening direction, they are It does not open.

[0008]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described in detail with reference to the embodiments shown in FIGS. FIG. 1 is a perspective view of the first embodiment, in which the connection terminal is pressed from one conductive metal plate,
In the front, a terminal connection portion 21 for receiving the male terminal of the other side
Is provided. The terminal connecting portion 21 includes a bottom plate 22 and side plates 23 and 24 that are bent upward from both sides of the bottom plate 22.
And a first top plate 25 and a second top plate 26 that are bent inward from these side plates 23, 24 and abutted against each other to form a rectangular tube shape.

The abutting portion of the first top plate 25 is formed with a protrusion 25a and a bend portion 25b which are curved in an acute angle, and the second top plate 26 is provided with a bend portion 25b and a protrusion of the first top plate. Part 25
A protrusion 26a and a curved portion 26b that are respectively joined to a are provided. The protrusion 25a and the ridge 26b, and the protrusion 26a and the protrusion 25a engage with each other without overlapping when the first top plate 25 and the second top plate 26 are bent. .

An electric wire connecting portion 27 for connecting an electric wire (not shown) is continuously provided behind the terminal connecting portion 21.
There are formed U-shaped crimping pieces 28a and 28b for crimping the core of the electric wire and U-shaped crimping pieces 29a and 29b for crimping the electric wire coating.

In the terminal connecting portion 21 thus formed,
When the male terminal on the mating side is forcibly press-fitted and a twisting force acts laterally, the side plates 23 and 24 are respectively pushed outward. At this time, the first top plate 25 and the second top plate 26 are also urged in a direction in which they are separated from each other.
Since 5a and 26a lock the other side, the first top plate 25
Therefore, the second top plate 26 does not separate from each other, and the terminal connection portion 21 does not deform.

FIG. 2 is a perspective view of the second embodiment, in which the terminal connecting portion 31 is composed of a bottom plate 32, side plates 33 and 34, a first top plate 35 and a second top plate 36, The abutting portion of the first top plate 35 has acute-angled protrusions 35 on both sides of the entrance.
A trapezoidal protrusion 35c having a and 35b is provided, and the second top plate 36 has acute-angled protrusions 36a and 36b on both sides and is joined to the protrusion 35c of the first top plate 35. Piece 36
c is formed.

In this second embodiment, the protrusion 35
Since the a and 36a and the protrusions 35b and 36b lock each other, the first top plate 35 and the second top plate 36 do not separate from each other, and in the connecting direction of the terminals. There is no deviation.

FIG. 3 is a perspective view of the third embodiment, in which the terminal connecting portion 41 comprises a bottom plate 42, side plates 43 and 44, a first top plate 45 and a second top plate 46. Top plate 4 of 1
5, a T-shaped curved portion 45c having square-shaped protrusions 45a and 45b on both sides is formed, and the second top plate 46 has rectangular-shaped protrusions 46a and 46b on both sides, and is formed on the curved portion 45c. A T-shaped projection piece 46c to be joined is formed.

Also in the third embodiment, the same operational effect as that of the second embodiment is obtained.

FIG. 4 is a perspective view of the fourth embodiment, in which the terminal connecting portion 51 is a bottom plate 52, side plates 53 and 54, and extends in the entire width direction to come into contact with the counterpart side plates 54 and 53, respectively. It is composed of a first top plate 55 and a second top plate 56. Here, the second top plate 56 has a trapezoidal shape in which the front end side is wider than the base side, and the first top plate 55 is provided with a trapezoidal groove 55a to which the trapezoidal second top plate 56 is joined. ing.

In this fourth embodiment, both side walls 5
Even if 3, 54 are pressed outward, the groove 5 of the first top plate 55
Both side walls of 5a and both side edges of the second top plate 56 engage with each other to prevent the terminal connecting portion 51 from being deformed.

FIG. 5 is a perspective view of the fifth embodiment, in which the terminal connecting portion 61 has a structure in which one side plate is butted. That is, the terminal connecting portion 61 includes a bottom plate 62,
First side plate 63 in which one side of the bottom plate 62 is bent upward
And a side plate 64 in which the other side of the bottom plate 62 is bent upward,
The side plate 64 includes a top plate 65 that is bent inward, and a second side plate 66 that is bent downward and abuts against the first side plate 63. Here, the shapes of the locking portions of the first side plate 63 and the second side plate 66 are substantially the same as the shapes of the locking portions of the top plates 25 and 26 of the first embodiment. Projection 63a and second side plate 66
The protrusions 66a are adapted to engage with each other.

As a result, the twisting force of the male terminal on the mating side acts in the vertical direction, and the first side plate 63 and the second side plate 66.
Even when the two are urged in the direction of opening, they do not open and the terminal connecting portion 61 does not deform.
Also in this case, it goes without saying that the shapes of the locking portions of the first side plate 63 and the second side plate 65 can be the shapes of the second to fourth embodiments.

In the first to fifth embodiments described above, the first top plate 25, 35, 45, 55 and the first side plate 63.
And the second top plates 26, 36, 46, 5 corresponding to these
There is no limitation on the shape of the engaging portions of the 6 and the second side plate 66 as long as they can be engaged with each other in the direction perpendicular to the terminal connecting direction.
The direction and number of locking parts can be freely selected.

[0021]

As described above, in the connection terminal according to the present invention, since the end faces of the mating side of the terminal connection portion are engaged with each other, it is possible to prevent the joint portions from separating. It is possible to prevent deformation of the terminal connecting portion.

[Brief description of drawings]

FIG. 1 is a perspective view of a first embodiment.

FIG. 2 is a perspective view of a second embodiment.

FIG. 3 is a perspective view of a third embodiment.

FIG. 4 is a perspective view of a fourth embodiment.

FIG. 5 is a perspective view of a fifth embodiment.

FIG. 6 is a perspective view of a conventional example.

FIG. 7 is a perspective view of a conventional example.

[Explanation of symbols]

 21, 31, 41, 51, 61 Terminal connection part 25, 35, 45, 55 First top plate 26, 36, 46, 56 Second top plate 25a, 26a Projection part 35c Trapezoidal curve part 36c Trapezoidal projecting piece 45c T-shaped curved portion 46c T-shaped protruding piece 55a Groove portion 63 First side plate 65 Second side plate

Claims (3)

[Claims] 1. A connection terminal having a terminal connecting portion formed in a tubular shape by joining conductive metal plates by punching, bending, and joining without superimposing them on each other. , A connection terminal having a locking structure for locking the mating end face. 2. The connection terminal according to claim 1, wherein the joint portion is provided on a ceiling portion of the terminal connection portion. 3. The connection terminal according to claim 1, wherein the joint portion is provided on a side portion of the terminal connection portion.