JP2001110536A - Electric connector - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an electric connector which can miniaturize a mounted apparatus, is more resistant against the occurrence of tracking and improves insulation performance. SOLUTION: On the edge portion of an insertion hole 2 for connection of a body 1 accommodating terminals without screws 11, 12 is provided a notch section 5 which penetrates up to an installation surface 4 of the body. A connection fixture 6 is inserted into the notch section 5 to be connected with the terminals without screws 11, 12.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an electric connector applied to a screw-in socket or the like.

[0002]

2. Description of the Related Art As an example of a conventional electric connector, a screw-in socket with a screwless terminal is shown in FIGS.
Reference numeral 50 denotes a board, 51 denotes a screw-in socket, 52 denotes a base screw-in portion, 53 denotes a contact piece, 54 denotes a quick connection terminal, and 55 denotes an insertion port.

In this screw-in socket, an electric wire 56 is inserted into an insertion port 55, connected to a quick connection terminal 54, and mounted on a substrate 50. In the case of FIG. 11 to FIG.
6 is soldered to the substrate 50, and in the case of FIG.
Connected to other parts. In either case, the peripheral side surface of the screw-in socket becomes the mounting projection outer surface when the substrate is mounted.

[0004]

For example, in the case of FIG. 13, since the connecting wires protrude from the outer surface of the mounting projection, the mounting area is increased. In addition, in the case of FIG. 14, when water is transmitted through the electric wire 56 and flows into the inside, water may accumulate in the insertion port 55 and cause a tracking state.

Accordingly, it is an object of the present invention to provide an electrical connector which can suppress occurrence of tracking and can improve insulation performance.

[0006]

According to a first aspect of the present invention, there is provided an electric connector, wherein a notch is provided at an edge of a connection insertion opening of a main body containing a connection body, the cutout penetrating to a main body mounting surface. Is what you do.

According to the first aspect of the present invention, since the notch is provided at the edge of the insertion port, drips accumulate in the notch and it is difficult to collect inside the insertion port, thereby preventing the tracking phenomenon. And good insulation performance can be obtained.

According to a second aspect of the present invention, in the first aspect, the notch portion can insert a connector that can be connected to the connecting member, and the insertion direction of the insertion port and the main body mounting surface are substantially the same. It is parallel, and the insertion opening is capable of inserting an electric wire.

According to the electric connector of the second aspect, in addition to the same effects as those of the first aspect, when the substrate is mounted, the connection tool is inserted into the notch so that the connection projection outer surface and the connection tool can be connected. A space can be provided between them, and the charging part can be protected without using an electrical insulator for the connection tool. For this reason, the size of the mounted instrument can be reduced. Further, even in the case of an insulated wire thicker than the insertion opening, the wire coating partially enters the cutout portion to enable connection, and the wire coating is locked in the cutout portion, so that the wire can be held firmly.

According to a third aspect of the present invention, in the electrical connector according to the second aspect, the connection body is a screwless terminal, a screw terminal, or a soldering terminal for connecting the electric wire, and the cutout portion has a groove shape. The groove width is smaller than the diameter of the insertion port.

According to the third aspect of the present invention, in addition to the same effects as those of the second aspect, the electrical connector of the fourth aspect has a configuration in which the cutout portion is partially narrow in the width direction. It has a convex part.

According to the electric connector of the fourth aspect, in addition to the same effects as those of the third aspect, a good contact state can be obtained because the connection tool is fixed by being clamped by the projection in the notch. Can be.

According to a fifth aspect of the present invention, in the electric connector of the fourth aspect, the main body mounting surface is a bottom surface of the main body.

According to the electric connector of the fifth aspect, the same effect as that of the fourth aspect is obtained.

According to a sixth aspect of the present invention, in the electrical connector according to the fourth aspect, the main body mounting surface is a side surface of the main body.

According to the electric connector of the sixth aspect, the same effect as that of the fourth aspect is obtained.

According to a seventh aspect of the present invention, in the electric connector according to the fourth aspect, the main body mounting portion is an upper surface of the main body.

According to the electric connector of the seventh aspect, the same effect as that of the fourth aspect is obtained.

According to an eighth aspect of the present invention, in the first aspect, a plurality of the notches are provided.

According to the electric connector of the eighth aspect, in addition to the same effect as the first aspect, by providing a plurality of notches, the amount of electric wire covered into the notches increases, and the range of the electric wire diameter is widened. can do.

According to a ninth aspect of the present invention, in the first aspect, the main body is a main body of a screw-in socket.

According to the electric connector of the ninth aspect, the same effect as that of the first aspect is obtained.

[0023]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A first embodiment of the present invention will be described with reference to FIGS. That is, this electric connector is an example of a screw-in socket with a screwless terminal, and penetrates to the main body mounting surface 4 through the edge of the connection insertion opening 2 of the main body 1 containing the connecting bodies 11 and 12. A notch 5 is provided so that the connector 6 can be connected to the connectors 11 and 12 by passing through the notch 5.

The main body 1 comprises a base 7 and a base 8. The connecting bodies 11 and 12 are accommodated in the base 7 and the connecting body 1
Reference numerals 1 and 12 denote screwless terminals, for example, quick-connecting terminals. A pair of contact pieces 9 and 10 that come into contact with the lamp base are formed integrally with each other. are doing. The base receiving portion 8 has a female screw 13 for tightening a screw portion of the lamp base. The insertion port 2 is formed on both sides of the base 7, the outer surface is a large-diameter hole 2 a large enough to insert an insulating coating, and the inner end is a small-diameter hole large enough to allow a conductor to be inserted. 2b. The notch 5 has a groove shape and is provided only on the side of the hole 2a, and the width of the groove is smaller than the diameter of the hole 2a.

The main body mounting surface 4 is the bottom surface of the main body 1, the insertion direction of the insertion opening 2 is substantially parallel to the main body mounting surface 4, and the main body mounting surface 4 is mounted on the substrate 25.

According to this embodiment, since the notch 5 is provided at the edge of the insertion opening 2, in the case of mounting the substrate, the peripheral side surface 3a including the mounting projection outer surface, that is, the surface 3 having the insertion opening 2, is provided.
A space by the notch 5 can be provided between the connector 3 and the connector 6, and the charged part can be protected without using an electrical insulator for the connector 6. For this reason, the size of the mounted instrument can be reduced.

FIGS. 3 to 5 show a case where the insulated wire 16 is connected to a portion other than the substrate 25 in place of the connecting tool 6. That is, even if the droplets 17 flow into the insertion port 2 along the covered electric wire 16, the droplets 17 accumulate in the notch portion 5 and are less likely to accumulate inside the insertion port 2, so that the tracking phenomenon can be prevented and a favorable phenomenon can be prevented. Insulation performance can be obtained. In addition, even if the insulated wire 16 is thicker than the insertion opening 2, as shown in the portion 5, the wire coating is partially inserted into the notch portion 5 to allow connection, and the wire coating is locked in the notch portion 5. Retention can be strengthened.

A second embodiment of the present invention will be described with reference to FIG. That is, in the first embodiment, the cutout portion 5 has the convex portion 15 which is partially narrow in the width direction. According to this embodiment, the connection tool 6 is fixed by being sandwiched between the projections 15 in the cutouts 5, so that a good contact state can be obtained.

A third embodiment of the present invention will be described with reference to FIG. That is, in the first embodiment, the main body mounting surface 4 is the side surface 3a.

A fourth embodiment of the present invention will be described with reference to FIG. That is, in the first embodiment, this is a case where the main body mounting surface 4 is the upper surface 3d.

A fifth embodiment of the present invention will be described with reference to FIG. That is, in the first embodiment, a plurality of notches 5 are provided. In this case, the number of the main body mounting surfaces 4 becomes plural, and a thicker covered electric wire can be inserted, and moreover, the coating of the part 16a enters each cutout portion 5, so that a stronger electric wire can be held.

In the present invention, the connection bodies 11 and 12 of the main body 1 may be screw terminals or solder terminals.

[0033]

According to the first aspect of the present invention, since the notch is provided at the edge of the insertion port, drips accumulate in the notch and it is difficult to collect inside the insertion port. Prevention and good insulation performance can be obtained.

According to the electric connector of the second aspect, in addition to the same effects as those of the first aspect, when the substrate is mounted, the connection tool is inserted into the notch so that the connection projection outer surface and the connection tool can be connected. A space can be provided between them, and the charging part can be protected without using an electrical insulator for the connection tool. For this reason, the size of the mounted instrument can be reduced. Further, even in the case of an insulated wire thicker than the insertion opening, the wire coating partially enters the cutout portion to enable connection, and the wire coating is locked in the cutout portion, so that the wire can be held firmly.

According to the electric connector of the third aspect, in addition to the same effect as in the second aspect, according to the electric connector of the fourth aspect, in addition to the same effect as in the third aspect, the connector is Since it is fixed by being pinched by the convex part in the notch, a good contact state can be obtained.

According to the fifth aspect of the present invention, the same effects as those of the fourth aspect can be obtained.

According to the electric connector of the sixth aspect, the same effect as that of the fourth aspect is obtained.

According to the electric connector of the seventh aspect, the same effect as that of the fourth aspect is obtained.

According to the electric connector of the eighth aspect, in addition to the same effect as in the first aspect, by providing a plurality of notches, the amount of electric wire covered into the notches increases, and the range of the electric wire diameter increases. can do.

According to the electric connector of the ninth aspect, the same effect as that of the first aspect is obtained.

[Brief description of the drawings]

FIG. 1 is a perspective view of a first embodiment of the present invention.

FIG. 2 is a cross-sectional view of a state where the semiconductor device is mounted on a substrate.

FIG. 3 is a cross-sectional view showing a state where an electric connector is mounted on a substrate and a covered electric wire is connected.

4A is a front view, FIG. 4B is a left side view, FIG. 4C is a right side view, and FIG. 4D is a plan view.

FIG. 5 is a partial view showing a state where an electric wire is inserted into the insertion opening.

FIG. 6 is a partial view of the second embodiment.

FIG. 7 is a perspective view of a third embodiment.

FIG. 8 is a perspective view of a fourth embodiment.

FIG. 9 is a partial view of a state where an electric wire is inserted into an insertion port according to the fifth embodiment.

FIG. 10 is a perspective view of a conventional example.

11A is a front view, FIG. 11B is a left side view, and FIG.
Is a right side view.

FIG. 12 is a plan view showing a state where electric wires are connected.

FIG. 13 is a cross-sectional view showing a state where the electric connector is mounted on the board and the electric wires are soldered to the board.

FIG. 14 is a cross-sectional view showing a state where an electric connector is mounted on a substrate and electric wires are connected.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Main body 2 Insertion opening 3 Surface which has an insertion opening 4 Main body mounting surface 5 Notch 6 Connecting tool 11, 12 Connection body 15 Convex part

 ──────────────────────────────────────────────────続 き Continuation of front page (72) Inventor Atsushi Sato 1-55 Yoshida Shimojima, Higashi-Osaka-shi, Osaka Asahi National Lighting Co., Ltd. F-term (reference) 5E024 BD11

Claims (9)

[Claims] 1. An electrical connector, wherein a notch is provided at an edge of a connection opening of a main body containing a connection body, the cutout penetrating to a main body mounting surface. 2. The notch portion is capable of inserting a connector that can be connected to the connector, the insertion direction of the insertion port is substantially parallel to the body mounting surface, and the insertion port is capable of inserting an electric wire. An electrical connector according to claim 2. 3. The connection body is a screwless terminal, a screw terminal, or a soldering terminal for connecting the electric wire, wherein the cutout portion has a groove shape, and a width of the groove is smaller than a diameter of the insertion opening. Item 3. The electric connector according to Item 3. 4. The electrical connector according to claim 3, wherein the notch has a convex portion that is partially narrowed in a width direction. 5. The electrical connector according to claim 4, wherein the body attachment surface is a bottom surface of the body. 6. The electrical connector according to claim 4, wherein the main body mounting surface is a side surface of the main body. 7. The electrical connector according to claim 4, wherein said main body mounting portion is an upper surface of said main body. 8. The electrical connector according to claim 4, wherein a plurality of the notches are provided. 9. The electrical connector of claim 1, wherein said body is a body of a threaded socket.