JPH04223067A - Electric wire connector - Google Patents

Abstract

PURPOSE:To realize an electric wire connector which can arrange numerous wires neighboring each other at high density without increasing the height of the wire connector. CONSTITUTION:A main body 2 forms a recess 14 making the lower part of a wire inserting part 5 withdraw to the inner side from the front side of the wire inserting part 5. And the side surface 9 of the wire inserting part 5 side of the main body 2 formed erecting almost vertical from the surface of a printed substrate 7 to the lower end of the wire inserting part 5 is formed at height almost equal to the side surface 10 of the opposite side to the side surface 9. And the side surface 10 of the opposite side to the wire inserting part 5 of the main body 2 of the wire connector can be inserted to the recess 14 of the main body 2.

Description

[Detailed description of the invention]

0001

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an electric wire connector that allows a large number of electric wires to be arranged at high density on a printed circuit board without deteriorating the ease of inserting electric wires.

0002

2. Description of the Related Art A wire connector shown in FIG. 6 has been known as a wire connector attached to a printed circuit board. This electric wire connector 1 is constructed by housing a conductive plate 3 made of a copper alloy thin plate inside a main body 2 made of an insulating synthetic resin and formed into a substantially box shape. A wire insertion portion 5 having a wire insertion hole into which the wire 4 is inserted from above is provided at the top of the main body 2, and a quick-connect terminal formed by bending the conductive plate 3 faces the wire insertion hole. Further, a part of the conductive plate 3 protrudes downward from the lower surface of the main body 2 as a terminal portion 6, and the terminal portion 6 is inserted into a terminal insertion hole provided in a printed circuit board 7 and connected by soldering.

In this wire connector 1, as shown in FIG. 7, the projected area of the wire connector 1 itself on the printed circuit board 7 can be reduced, and a large number of wire connectors can be arranged in parallel on the printed circuit board 7 at high density.
It is also easy to insert the electric wire 4.

However, as shown in FIG.
There was a problem that not only the height itself but also the height including the allowance for drawing out the electric wire 4 became high.

In order to reduce the height, a wire connector 1 as shown in FIG. 9 is also known. In this wire connector 1, a wire insertion portion 5 is provided on the side of the main body 2, and a printed circuit board 7 is provided.
The electric wire 4 can be inserted from the direction along.

If a large number of wire connectors 1 are arranged side by side, they can be arranged at high density in a direction perpendicular to the direction in which the wires 4 are pulled out. However, in the direction in which the electric wire 4 is drawn out,
As shown in Fig. 10, it is difficult to insert the wire 4 unless the distance between the wire connectors 1 is widened to some extent.On the other hand, if the distance is too large, the size of the printed circuit board becomes large, and the wire connection device 1 is not inserted. There were problems such as that the portion 5 was close to the printed circuit board 7, making it difficult to insert the electric wire 4.

FIG. 11 shows a wire connector 1 that solves the problems of the two conventional examples. This wire connector 1 has a quick connection terminal structure and has a wire insertion hole 8 that opens diagonally upward to guide and hold the wire.
is provided in the main body 1, and the height is reduced by allowing the electric wire 4 to be inserted diagonally from above.

In this electric wire connector 1, the side surface 9 of the main body 2 on the electric wire insertion hole 8 side is formed to rise approximately vertically from the surface of the printed circuit board 7 to the lower end of the electric wire insertion hole 8. A side surface 10 opposite to this side surface 9 is formed slightly lower than the above-mentioned side surface 9, and the upper surface of the main body 2 is inclined approximately along the inclination of the wire insertion hole 8. Therefore, when placing the two wire connectors 1 and 1 adjacent to each other, as shown in FIG. The side surface 10 on the opposite side can be brought into substantially close contact with the side surface 10 on the opposite side. Then, a large number of wire connectors 1 can be arranged close to each other and attached to the printed circuit board 7 at a relatively high density, and the ease of inserting the wires 4 is not easily deteriorated.

However, the wire connectors shown in FIGS. 11 and 12 are not designed to arrange a large number of wire connectors at high density, and therefore, sufficient consideration has not yet been given to the structure of the wire connector 1 itself, and It was hard to say that it was highly dense.

0010

SUMMARY OF THE INVENTION The problem to be solved by the invention is to realize a wire connector that can be arranged in large numbers adjacent to each other at high density without increasing the height of the wire connector.

[0011]

[Means for Solving the Problems] The present invention provides a wire insertion hole that opens obliquely upward in a direction away from the mounting surface in the upper part of the main body made of insulating synthetic resin, away from the mounting surface, and
In a wire connector in which the top surface of the main body is tilted high toward the wire insertion hole side and a conductive plate is housed inside the main body, the wire insertion part is retracted inward from the front side of the wire insertion part to the mounting surface below the wire insertion part of the main body. A recessed portion is provided, and this recessed portion is formed in a size that allows the side of the main body of the electric wire connector opposite to the wire insertion hole to enter therein.

0012

DESCRIPTION OF THE PREFERRED EMBODIMENTS FIGS. 1 to 5 show embodiments of the present invention, which will be explained below based on the drawings.

This electric wire connector 1 includes a main body 2 consisting of a substantially box-shaped body 11 made of insulating synthetic resin and a plate-shaped cover 12, and a conductive plate formed of a copper alloy thin plate having spring properties. 3, and is used by inserting the terminal portion 6 of the conductive plate 3 protruding from the main body 2 into the terminal insertion hole 13 provided in the printed circuit board 7 serving as the mounting surface, and attaching it by soldering. .

The main body 2 has a cylindrical wire insertion portion 5 that projects obliquely upward in a direction away from the printed circuit board 7 at an upper portion thereof away from the printed circuit board 7. A wire insertion hole 8 is provided which slopes along the outer surface of the wire insertion portion 5 and opens diagonally upward, so that the wire 4 can be inserted diagonally from above.

In the main body 2, the lower part of the wire insertion part 5 is recessed inward from the front surface of the wire insertion part 5 to form a recessed part 14. Further, the side surface 9 on the wire insertion section 5 side of the main body 2, which is formed by standing up approximately vertically from the surface of the printed circuit board 7 to the lower end of the wire insertion section 5, has approximately the same height as the side surface 10 on the opposite side from this side surface 9. It is formed. The upper surface 15 of the main body 2 is inclined approximately along the inclination of the outer surface of the wire insertion portion 5.

The conductive plate 3 is formed by bending a quick connection terminal, and includes a rectangular wire contacting portion 16 and a rectangular wire contacting portion 16.
A connecting portion 17 bent at a substantially right angle from one longitudinal end of the connecting portion 17 , a quick-tying portion 18 formed by folding back from the tip of the connecting portion 17 toward the wire abutting portion 16 , and a side of the wire abutting portion 16 . It consists of a substantially dogleg-shaped terminal part 6 bent at a right angle from the edge to the same side as the connecting part 17 with respect to the wire abutting part 16 . The bent quick-connection terminal is exposed to the wire insertion hole 8 of the main body 2.

A wire insertion hole 19 is formed in the conductive plate 3 from the connecting portion 17 to the wire contact portion 16 . The quick-tying part 18 is formed so that the distal end thereof is spaced from the wire abutting part 16 with a distance slightly narrower than the diameter of the wire 4. Further, a guide portion 20 is provided on the side edge near the tip of the quick-tying portion 18 to prevent the wire 4 from coming off the wire contact portion 16 when the wire 4 is inserted.

The terminal portion 6 of the conductive plate 3 has the main body 2 near the tip.
The terminal portion 6 is inserted into a terminal insertion hole 13 provided in the printed circuit board 7 and connected by soldering to establish electrical conduction between the printed circuit board 7 and the conductive plate 3.

The conductive plate 3 of the wire connector 1 is fitted into the body 11 so that the wire contact portion 16 is on the side away from the printed circuit board 7, and the opening of the body 11 is covered with a cover 12 to cover the opening of the body 2. It is delivered inside.

When attaching a large number of wire connectors 1 to the printed circuit board 7, as shown in FIG.
The other wire connector 1 is inserted into the recess 14 on the side from the side surface 10 opposite to the wire insertion hole 8. Then, the side surface 9 of one electric wire connector 1 and the side surface 10 of the other electric wire connector 1 can be brought into substantially close contact with each other, and as shown in FIG. The connectors 1 can be arranged close to each other and attached to the printed circuit board 7 with high density. Moreover, the required height when the electric wire 4 is connected to the electric wire connector 1 is not so high, and the insertion of the electric wire 4 is also good.

Note that the wire insertion portion 5 is not limited to a cylindrical shape, but may have other shapes. Further, the terminals formed on the conductive plate 3 are not limited to quick-connect terminals, and may be other terminals such as screw terminals. moreover,
This wire connector is not limited to use for mounting printed circuit boards.

[0022]

Effects of the Invention As explained above, the wire connector of the present invention has an electric wire insertion hole that is retracted inward from the front side of the wire insertion portion to the lower mounting surface side of the wire insertion portion of the main body. Because the recess is large enough for the opposite side to fit in, a large number of wire connectors can be placed close to each other and installed in a high density. The insertability is also good.

[Brief explanation of the drawing]

FIG. 1 is a side view showing how the wire connector of the present invention is used.

FIG. 2 is a perspective view showing a state in which the wire connector of the present invention is used.

FIG. 3 is an exploded perspective view of the wire connector of the present invention.

FIG. 4 is a cross-sectional side view of the wire connector of the present invention.

FIG. 5 is a side view of the device in use compared to a conventional example to explain the effects of the present invention.

FIG. 6 is a side view of a conventional electric wire connector in use, which does not use the present invention.

FIG. 7 is a perspective view of a conventional electric wire connector in use, which does not use the present invention.

FIG. 8 is a side view of a conventional electric wire connector that does not use the present invention, showing a problem in use.

FIG. 9 is a side view of another conventional electric wire connector not using the present invention in a used state.

FIG. 10 is a side view of another conventional electric wire connector that does not use the present invention, showing a problem in use.

FIG. 11 is a side view showing still another conventional electric wire connector in a used state, which does not use the present invention.

FIG. 12 is a side view of another conventional electric wire connector in use, which shows the problem of another conventional electric wire connector that does not use the present invention.

[Explanation of symbols]

1 Wire connector 2 Main body 3 Conductive plate 4 Electric wire 5　Wire insertion part 8 Wire insertion hole 9 Side 10 Side 14 Recess 15 Top surface

Claims (1)

[Claims] Claim 1: A wire insertion hole that opens diagonally upward in a direction away from the mounting surface is provided in the upper part of the main body made of insulating synthetic resin away from the mounting surface, and the upper surface of the main body is inclined higher with the wire insertion hole side. In a wire connector with a conductive plate housed inside the main body, a recess is provided on the mounting surface side below the wire insertion portion of the main body, recessed inward from the front side of the wire insertion portion, and this recess is used as the recess of the wire connector. A wire connector characterized in that the wire connector is formed in a size that allows the wire insertion hole on the opposite side of the main body to enter.