JPH1197745A - Holder for light-emitting diode - Google Patents

Abstract

PROBLEM TO BE SOLVED: To prevent a lead from being damaged by providing a curved surface part that is rotatably connected to a first retaining body being placed on a printed circuit board via a hinge part and rotates against the first retaining body and blocks a groove part and an engagement part that is engaged to the first retaining body. SOLUTION: With a first retaining body 1 and a second retaining body 51, the lead of an LED is inserted into the lead hole of the first retaining body 1 and then the bottom surface of the LED is brought into contact with a contacting surface 5 of the first retaining body 1. After it is verified whether the lead of the LED is along a groove part 9 of the first retaining body 1, a hinge part 25 is bent and a second retaining body 51 is rotated for the first retaining body 1. The lead of the LED is pressed by the second retaining body 51 due to the bending of the hinge part 25 and the lead of the LED is curved gradually and is formed into the shape of a groove part 9 finally and is arranged in the groove part, thus preventing the lead from being damaged.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

The present invention relates to a light emitting diode,
The present invention relates to a light emitting diode holder used when mounted on a printed circuit board.

[0002]

2. Description of the Related Art A conventional light emitting diode holder is described in Japanese Patent Application Laid-Open No. 62-5289.

This includes a light emitting diode (hereinafter referred to as L)
An upper block having a concave portion for mounting the ED).
An LED holder having a lower block connected to an upper block via a hinge and installed on a printed circuit board is disclosed.

In the above-mentioned conventional LED holder,
When the upper block is bent with respect to the lower block around the hinge portion when mounted on the printed circuit board, L
Since the angle of the ED is maintained, an acute angle portion is formed in the bent portion of the LED lead, and it is necessary to take measures to prevent the lead from being damaged by the stress generated in the lead.

Also, due to the backlash of the lead after being bent, the angle direction at which the LED tip faces is not constant, and L
It is difficult to control the angle of the ED.

[0006]

SUMMARY OF THE INVENTION An object of the present invention is to solve the above-mentioned disadvantages of the prior art.

[0007]

According to a first aspect of the present invention, in order to solve the above-mentioned problems, a contact surface that contacts a bottom surface of a light emitting diode and a lead of the light emitting diode formed on the corresponding contact surface are inserted. A first holding member mounted on a printed circuit board, the first holding member including a curved groove continuous with the lead hole, and a rotatable connection with the first holding member via a hinge portion; By rotating with respect to one holder,
A light emitting diode holder comprising: a curved surface portion that closes the groove portion; and a second holding body including an engaging portion that engages with the first holding body.

According to the light emitting diode holder according to the first aspect of the present invention, while the LED lead is inserted into the lead hole of the first holder, the bottom surface of the LED contacts the contact surface of the first holder. After the contact, the second holding body is rotated about the hinge portion, and the LE of the second holding body is rotated by the curved surface of the second holding body.
After the lead of D is pressed so as to be fitted into the groove of the first holder, the engaging portion of the second holder is engaged with the first holder. Thereafter, the LED can be installed on the printed circuit board by mounting the light emitting diode holder on the printed circuit board.

[0009]

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a block diagram showing the configuration of a preferred embodiment of the present invention.

FIG. 1 is a perspective view of a light emitting diode holder according to the present invention before mounting an LED, FIG. 2 is a sectional view of FIG. 1, and FIG. FIG. 4 shows a state in which is bent.
3 is a rear view of FIG. 3, and FIG. 5 is a diagram illustrating a state in which the hinge portion is bent after mounting the LED on the light emitting diode holder according to the present invention.
FIG. 6 is a sectional view showing a state in which the engaging portion of the second holder is engaged with the first holder, FIG. 6 is a sectional view of FIG. 5, and FIG. 7 is a sectional view showing a modification of the light emitting diode holder according to the present invention. is there.

When the LED 3 is mounted, the first holder 1
It has a contact surface 5 that contacts the bottom surface 3a, and the contact surface 5 is provided with a plurality of lead holes 7 through which the leads 3b of the LED 3 are inserted. Further, a groove 9 which is continuous with the lead hole 7 and has a gentle curve is provided on the back surface of the first holder 1. On the back surface of the first holding body 1, a curved surface portion 11 formed by the same curve as the groove portion 9 is formed.
Are formed.

Around the contact surface 5 of the first holder 1, LE
A plurality of guide protrusions 13 for holding the LED 3 when the D3 is mounted, and a continuous guide wall 15 facing the guide protrusion 13 are provided.

A plurality of box-shaped recesses 17 are arranged below the contact surface 5 of the first holding body 1, and a notch 19 is provided below the recess 17. Is provided with an engaging wall 21. Also, the concave portion 1 of the first holder 1
At the lower part of 7, a leg 23 for mounting on the printed circuit board 101 is provided.

Above the guide projection 13 of the first holding member 1, a second holding member 51 is connected via a hinge portion 25, and can be bent around the hinge portion 25.
A plurality of engaging claws 53 are provided on the upper portion of the second holding body 51 in FIG. 2, and can be engaged with the engaging wall 21 of the first holding body 1 by bending the hinge portion 25. . A plurality of recesses 55 are provided in the second holding body 51 similarly to the first holding body 1, and the hinge portion 25 is bent on the back side thereof to form the curved surface portion 11 of the first holding body 1. A curved surface portion 57 conforming in shape is provided.

Hereinafter, a method for holding the LED 3 in the light emitting diode holder according to the present invention will be described. In the state where the first holder 1 and the second holder 51 are as shown in FIG. 1, the lead 3b of the LED 3 is inserted into the lead hole 7 of the first holder 1, and then the bottom 3a of the LED 3 is first held. It is brought into contact with the contact surface 5 of the body 1.

After confirming that the leads 3b of the LED 3 are located along the grooves 9 of the first holder 1, the hinge 25 is bent, and the second holder 51 is rotated with respect to the first holder 1. . By bending the hinge portion 25, the second
The lead 3b of the LED 3 is pressed by the holder 51, and the LED 3 is pressed.
The lead 3b is gradually curved, and finally has the shape of the groove 9 and is disposed in the groove 9.

When the hinge portion 25 is bent, the engaging claw 53 of the second holding member 51 passes through the notch portion 19 of the first holding member 1 and engages with the engaging wall 21, and as shown in FIG. LED3
Is completed. At this time, the curved surface portion 11 of the first holder 1
And the curved surface portion 57 of the second holding member 51 are engaged, and the groove 9 of the first holding member 1 is closed. The leg 23 of the first holder 1 is inserted into the mounting hole 103 provided on the printed circuit board 101 shown in FIG. 5, and the lead 3 b of the LED 3 extending below the first holder 1 is inserted into the hole 105 of the printed circuit board 101. After the insertion, the leg 23 is fixed to the printed board by heat staking or the like, so that the light emitting diode holder of the present invention is mounted on the printed board. The lead 3b of the LED 3 inserted into the hole 105 of the printed board 101 is
1 is soldered to a pattern circuit (not shown) provided in the apparatus.

FIG. 7 shows a modification of the light emitting diode holder according to the present invention, in which the contact surface 5 of the first holder 1 is provided with an angle, and the angle of the LED 3 is set in the direction of the tip.

[0019]

As described above, according to the light emitting diode holder of the present invention, the lead of the light emitting diode is held with a gentle curved shape, so that there is no problem of lead breakage.

After the light-emitting diode is mounted, the light-emitting diode is securely held by the contact surface of the first holder, so that the orientation of the light-emitting diode does not become unstable.

[Brief description of the drawings]

FIG. 1 is a perspective view of a light emitting diode holder according to the present invention.

FIG. 2 is a sectional view of FIG.

FIG. 3 is a view showing a state in which a hinge portion is bent after a light emitting diode is mounted on a light emitting diode holder according to the present invention.

FIG. 4 is a rear view of FIG. 3;

FIG. 5 is a view showing a state in which the hinge portion is bent and the engaging portion of the second holding member is engaged with the first holding member after mounting the light emitting diode on the light emitting diode holder according to the present invention.

FIG. 6 is a sectional view of FIG. 5;

FIG. 7 is a sectional view showing a modification of the light emitting diode holder according to the present invention.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 1st holding body 3 light emitting diode 3a bottom surface 3b lead 5 contact surface 7 lead hole 9 groove part 25 hinge part 51 second holding body 53 engaging claw 57 curved surface part 101 printed circuit board

Claims (1)

[Claims] 1. A printed circuit board, comprising: a contact surface contacting a bottom surface of a light emitting diode; a lead hole formed in the contact surface, into which a lead of the light emitting diode is inserted; and a curved groove continuous with the lead hole. A first holding body attached to the first holding body, a rotatable connection to the first holding body via a hinge portion, and a rotation of the first holding body with respect to the first holding body, thereby closing the groove portion; A light emitting diode holder comprising: a second holding member including an engagement portion that engages with the first holding member.