JPH081560Y2 - Contact screw terminal structure - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Industrial field of application] The present invention relates to a screw terminal structure with contacts used in an electromagnetic relay or the like.

[Conventional technology]

Conventionally, as this type of screw terminal structure with a contact, there is the following, which will be described with reference to FIGS. 5 to 7.

Reference numeral 11 denotes a body, which is made of an insulating material such as synthetic resin and is formed as a part of a base of an electromagnetic relay not shown. Four
Reference numeral 11a is a mounting portion to which each terminal plate 12 described later is mounted. In the center of each mounting portion 11a, there are through holes 11b and 11c formed by vertically penetrating two orthogonal side surfaces, and a through hole 11c is formed on the upper surface. A thick section 11b having a rectangular cross section in which a concave section 11d is formed
Is provided. On the lower surface side of the thick portion 11b, each mounting portion 1
An insulating wall 11e is provided between 1a, which also serves as a side wall forming the through hole 11c.

12 is a terminal plate, which is a continuous plate 12c made of a conductive plate such as copper alloy.
A contact portion 12a provided with a contact 12d at one end 12f and a screw portion 12b provided with a screw hole 12e at the other end 12g are continuously formed so as to be orthogonal to each other. That is, one end 12f of the connecting portion 12c is bent at one end thereof at a right angle to be continuously connected to one end of the contact portion 12a, and the other end 12g of the connecting portion 12c is bent at a right angle to form a screw portion. It is connected to 12b. A caulking portion 12h extends from one end 12f of the continuous portion 12c, and a caulking receiving portion 12i is formed by cutting out the center of the bent portion of the other end 12g.

As shown in FIG. 5, the terminal board 12 has a contact portion 12a.
Are inserted into the through holes 11b and the connecting portions 12c are inserted into the through holes 11c, respectively, and are mounted from the lower side of the body 11, thereby making
The a and the screw portion 12b are arranged on the upper surface side and the lower surface side of the thick portion 11b of the body 11, respectively. Next, as shown in FIG. 6, in the terminal plate 12, the receiving jig is inserted into the caulking receiving portion 12i provided in the continuous portion 12c to receive the end face 12i, and the caulking portion 12h is fixed to the body 11 by the caulking jig. It is bent so that it fits in the recess 11d, and is caulked and fixed to the body 11. At this time, screw part 12
It is possible to use the lower surface of b as the crimping receiving portion, but in that case, the screw hole 12e may be deformed, which is not preferable.

[Problems to be solved by the device]

In the above-mentioned conventional screw terminal structure with contacts, the other end 12g of the continuous portion 12c mounted in the through hole 11c formed between the side surface of the thick portion 11b of the body 11 and the insulating wall 11e, Since it is bent at a right angle and is continuously connected to the screw portion 12b, the other end 12g of the continuous portion 12c abuts the insulating wall 11e of the body 11 when the screw is screwed into the screw hole 12e of the screw portion 12b. However, since the other end 12g is notched at the center of the bent portion and the caulking receiving portion 12i is formed, and the portion becomes thinner and weaker in strength, the other end 12g is formed as shown in FIG. May be deformed and cracks may occur in the insulating wall 11e of the body 11.

The present invention has been made in view of the above circumstances, and its purpose is to connect a screw portion and a continuous portion so that they are orthogonal to each other, and screw a screw into a screw hole provided in the screw portion. An object of the present invention is to provide a screw terminal structure with contacts, in which a crack does not occur in the body even when the connecting portion comes into contact with the body 11 when being worn.

[Means for solving the problem]

In order to solve the above-mentioned problems, the screw terminal structure with a contact of the present invention includes a body which is a part of a base of an electromagnetic relay or the like, and a contact portion provided with a contact at one end of the connecting portion and a screw at the other end. A terminal plate is provided in which the screw parts provided with holes are connected to each other at right angles and fixed to the body by caulking, and the terminal plates are connected when the screws are screwed into the screw holes of the screw part. In the screw terminal structure with a contact in which the other end of the part abuts on the body, the continuous part is formed in an L shape, and the caulking part and the caulking receiving part for caulking are provided in the contact part. .

[Action]

In the screw terminal structure with contacts according to the present invention, the terminal plate has an L-shaped connecting portion, and a contact portion provided with a contact at one end thereof and a screw portion provided with a screw hole at the other end thereof are orthogonal to each other. In addition, since the contact portion is provided with a caulking portion and a caulking receiving portion for caulking the body, the other end of the concatenated portion orthogonal to the screw portion is As in the example, there is no notch for the caulking receiving part and it is also strong in strength, so even if the other end is in contact with the body when screwing the screw into the screw hole provided in the screw part, Since the edges are not easily deformed, cracks do not occur in the body.

〔Example〕

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

Reference numeral 1 denotes a body, which is made of an insulating material such as a synthetic resin and is formed as a part of a base of an electromagnetic relay or the like not shown. Four
1a is a mounting part to which each terminal plate 2 described later is mounted,
Each mounting portion 1a is formed with a thick portion 1b having a short width through hole 1c and a long width through hole 1d which are vertically penetrated in a convex shape in cross section,
An insulating wall 1e is provided between the mounting portions 1a on the lower surface side of the thick portion 1b.

Reference numeral 2 denotes a terminal plate, which is a conductive plate made of copper alloy or the like, and has a contact portion 2a provided with a contact 2d at one end of one piece 2f of the L-shaped continuous portion 2c,
At the other end of the other piece 2g, a threaded portion 2b provided with a threaded hole 2e is continuously formed so as to be orthogonal to each other. The width of the contact portion 2a is narrowest at the tip end portion provided with the contact point 2d, widened by providing the crimping portions 2h on both sides at the central portion, and widest by providing the crimping receiving portion 2i at the base end portion. .

Then, as shown in FIG. 2, the terminal plate 2 is inserted from the through hole 1d into the through hole 1d while inserting the contact 2d into the through hole 1c, and is attached from the lower side of the body 1 to the contact portion 2a and the screw portion. 2b
Are arranged on the upper surface side and the lower surface side of the thick portion 1b of the body 1, respectively. At this time, in the contact portion 2a, the caulked portion 2h is
The caulking receiving portion 2i abuts on the lower surface side while projecting to the upper surface side of 1b, the screw portion 2b has a gap on both sides of the insulating wall 1e, and the connecting portion 2c has a gap as shown in FIG. One piece 2f is in contact with the lower surface of the thick portion 1b, and the other piece 2g is in contact with the side surface 1f.

Next, as shown in FIG. 4, the terminal plate 2 receives the caulking portion by inserting a receiving jig into the caulking receiving portion 2i provided in the contact portion 2a and pressing it against the lower surface of the thick portion 1b of the body 1. The 2h is caulked and fixed to the body 1 by inserting a wedge-shaped notch with a caulking jig and spreading it to the upper surface side of the thick portion 1b.

In such a screw terminal structure with contacts, the terminal plate 2 is
The connecting portion 2c is L-shaped, and the contact portion 2a provided with the contact 2d at one end of the one piece 2f and the screw portion 2b provided with the screw hole 2e at the other end of the other piece 2g are orthogonal to each other. And the caulking part 2h for caulking the body 1
Since the crimping receiving portion 2i is provided on the contact portion 2a, the notch for the crimping receiving portion is formed on the other piece 2g of the continuous portion 2c that is continuously provided orthogonally to the screw portion 2b as in the conventional example. Therefore, when the screw is screwed into the screw hole 2e provided in the screw portion 2b, the other piece 2g is attached to the side surface 1f of the body 1
Since the other piece 2g is not easily deformed even when it is in contact with, the body 1 is not cracked.

Further, since the connecting portion 2c is L-shaped and the contact portion 2a is located as far as possible from the screw portion 2b, the force is transmitted when the screw is screwed into the screw hole 2e provided in the screw portion 2b. The contact portion 2a is less affected, and since the caulking process is performed at the contact portion 2a, the position of the contact 2d becomes stable.

[Effect of device]

In the screw terminal structure with contacts of the present invention, the terminal plate has an L-shaped connecting portion, a contact portion provided with a contact at one end thereof, and a screw portion provided with a screw hole at the other end thereof are orthogonal to each other. In addition to being connected continuously, the contact portion is provided with a caulking portion and a caulking receiving portion for caulking the body,
Unlike the conventional example, the other end of the continuously connected portion that is provided orthogonally to the threaded portion has no notch for the crimping receiving portion and is strong in strength. Even if the other end is in contact with the body when the screw is screwed into the hole, the other end is not easily deformed, so that the body is not cracked.

[Brief description of drawings]

1 is a partial cross-sectional perspective view showing an embodiment of the present invention, FIG. 2 is a partial cross-sectional perspective view showing a state in which the above terminal plate is mounted on a body, and FIG. 3 is a cross-sectional view of FIG. 4 and FIG. 4 are partial cross-sectional views showing a state in which the above-mentioned terminal plate is caulked to the body, FIG. 5 is a partial cross-sectional perspective view showing a conventional example, and FIG. FIG. 7 is a partial cross-sectional view showing a state in which the caulking is performed, and FIG. 7 is a partial cross-sectional view showing a state in which a crack is generated in the body when a screw is screwed into the screw hole of the threaded portion. 1 ... Body, 2 ... Terminal plate, 2a ... Contact part, 2b ... Screw part, 2c ... Connected part, 2d ... Contact point, 2e ... Screw hole, 2f ...
… One piece (one end) of the connected section, 2g …… The other piece (the other end) of the connected section, 2h… Caulking section, 2i …… Caulking receiving section.

Claims (1)

[Scope of utility model registration request] 1. A body which is a part of a base of an electromagnetic relay, a contact portion provided with a contact at one end of a connecting portion, and a screw portion provided with a screw hole at the other end are connected so as to be orthogonal to each other. A terminal plate that is provided and fixed to the body by caulking, and a screw terminal structure with contacts in which the other end of the connecting portion of the terminal plate abuts the body when a screw is screwed into the screw hole of the screw portion In the screw terminal structure with contacts, the connecting portion is formed in an L shape, and the contact portion is provided with a crimp portion and a crimp receiving portion for crimping.