JPH05251745A - Component holder - Google Patents

Abstract

PURPOSE:To enable the lead terminal of a component to be cut to a predetermined length without using any special jig and inserted into a holder of the component, and to enable the polarity of the lead terminal of the component to be easily discriminated after the insertion of the component. CONSTITUTION:Positioning portions 40 and 41 are provided for positioning a component 21 so that only the excess portions of the lead terminals 25 and 26 of the component 21 extend from the contour of the holder. In addition, there is provided a discriminator 42 for discriminating the polarity of the lead terminals 25 and 26 of the component 21.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION The present invention relates to a light emitting diode (LE).
The present invention relates to a component holder for holding and attaching a component having a lead terminal such as D) to a mounted body such as a printed circuit board.

[0002]

2. Description of the Related Art As shown in FIG. 3, a conventional holder for this type of component has a base 3 of the LED 1 at one end of a cylindrical insertion portion 2 into which the LED 1 as a component is inserted. A mounting portion 4 for mounting is provided, and the mounting portion 4 has a different length depending on the polarity of the LED 1 (longer is + pole, shorter is −).
Pole) Providing through holes 7 and 8 penetrating the lead terminals 5 and 6,
Further, locking pieces 14 and 15 having locking portions 12 and 13 that lock with the locking holes 10 and 11 of the printed circuit board 9 which is the body to be mounted are provided at one end of the insertion portion 2.

In the above structure, the locking pieces 14, 15
Is set so that the distance dimension of the LED 1 with respect to the printed circuit board 9 is a predetermined distance A, and the lower end surface 4b of the mounting portion 4 is prevented from coming into contact with the printed circuit board 9 to prevent the component holder from sinking. The parts 16 and 17 are provided.

Further, as means for discriminating the polarities of the lead terminals 5 and 6 of the LED 1, in addition to those in which the length dimensions of the lead terminals 5 and 6 are different,
There is a base 3 having a notch (not shown) corresponding to the polarities of the lead terminals 5 and 6.

In the component holder constructed as described above, first, the engaging portions 12 and 13 of the engaging pieces 14 and 15 are engaged with the engaging holes 10 and 11 of the printed circuit board 9, and the printed circuit board 9 is retained. Through the through hole 7 of the mounting portion 4 provided at one end of the insertion portion 2 with the lead terminals 5 and 6 of the LED 1 cut into a predetermined length using a dedicated jig (not shown). , 8 and the base 3 of the LED 1 is placed on the upper end surface 4a of the mounting portion 4 (the surface on the other end side of the insertion portion 2) and inserted to prevent the inclination of the LED 1. The LED 1 is held at a predetermined distance A from the printed circuit board 9.

Then, the lead terminals 5, 6 of the LED 1 are inserted into the terminal insertion holes 18, 19 of the printed circuit board 9 corresponding to the polarities of the respective terminals by solder dipping or the like and the printed circuit board. It is for electrical connection with a wiring pattern 9 (not shown).

[0007]

However, in the case of the above-described conventional component holder, the component holder is attached to the attached body by the work on the line in the process of attaching the component to the attached body. After that, a lot of work is required on the line such as cutting the lead terminals of the component into a predetermined length by using a dedicated jig and inserting the component into the holder for the component. In addition to the problem of hindering the improvement, it is difficult to determine the polarity of the lead terminal of the component after cutting the lead terminal in the case of determining the polarity of the lead terminal by the difference in the length of the lead terminal. In the case where the polarity of the lead terminal of the component is determined by the cutout portion of the base of the component, it is easy to find the cutout portion of the base after the component is inserted into the holder of the component. Not the polarity of the lead terminals To the difficult another, hence there is a problem of lowering the workability or lead to opposite attachment to the printed circuit board.

[0008]

In order to cut a lead terminal of a component into a predetermined length, a holder for a component according to the present invention has only a surplus portion of the lead terminal from the outer shell of the holder for the component. A positioning part for positioning the above parts so as to project is provided.

Further, a discriminating portion for discriminating the polarities of the lead terminals of the component inserted in the component holder is provided.

[0010]

The holder for a component according to the present invention positions the lead terminal at a predetermined position by cutting the lead terminal of the component protruding from the outer shell of the holder for the component after the positioning with the component by the positioning portion. Since it is cut into a length, a dedicated jig for cutting the lead terminal into a predetermined length is unnecessary, and the lead terminal of the component can be easily cut into a predetermined length.

Further, the polarity of the lead terminal of the component inserted in the component holder can be easily discriminated by the discriminating section, and the lead terminal of the component is cut into a predetermined length in the preparation step. It is possible to attach the component attached to the component holder to the printed circuit board on the line in the component attachment process to the attachment target, and it is possible to improve workability.

[0012]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A case of mounting a component holder of the present invention on a printed circuit board by mounting a light emitting diode (LED) will be described below with reference to FIGS.

The component holder of the present invention is a component LE.
A mounting portion 24 on which the base 23 of the LED 21 is mounted is provided at one end of an insertion portion 22 formed of a cylindrical elastic member into which the D21 is inserted, and the LED is mounted on the mounting portion 24.
Through hole 2 penetrating lead terminals 25 and 26 having different lengths depending on the polarity of 21 (longer is + pole, shorter is − pole)
7 and 28 are provided, and an inclined surface 38 is provided on the inner peripheral portion of the insertion portion 22.
a, 39a for holding and holding the base 23 of the LED 21 with the mounting portion 24, and the lower end surface 23b (LED21 of the LED 21) of the base 23 of the LED 21.
So that the lead terminals 25, 26 projecting from the outer contour of the holder for the component, that is, the lower end surface 24b of the mounting portion 24 at the position where the lead terminals 25, 26 of the above) are locked become the surplus portions, that is, the cut portions. Positioning portions 40 and 41 for positioning are provided on one end of the insertion portion 22. Further, at one end of the insertion portion 22, a locking portion 32 that locks to a locking hole (not shown) of a printed circuit board (not shown) that is an object to be mounted. Locking piece 34 having 33,
35, and a protrusion-like discriminating portion 42 for discriminating the polarity of each of the lead terminals 25, 26 penetrating the through holes 27, 28 is provided on the outer peripheral portion of the inserting portion 22. ..

In the above structure, the locking pieces 34, 35 are provided.
Is set so that the distance dimension of the LED 1 with respect to the printed circuit board (not shown) is a predetermined interval B, and
The lower end surface 24b of the mounting portion 24 is provided with prevention portions 36 and 37 that come into contact with the printed circuit board (not shown) to prevent the holder of the component from sinking.

The positioning portions 40 and 41 are mounted on the mounting portion 2
The distance dimension from the upper end surface 24a of 4 (the surface on the other end side of the insertion portion 22) to the locking surfaces 40a and 41a for locking the lower end surface 23b of the base 23 of the LED 21 of the positioning portions 40 and 41 is the LED 21. So as to be equal to a predetermined length dimension L of the lead terminals 25 and 26 projecting from the lower end surface 24b of the placing section 24 in a state where the base 23 is placed on the upper end surface 24a of the placing section 24. Is.

The holding portions 38, 3 of the insertion portion 22 are also provided.
9 and the portion having the positioning portions 40 and 41 is the supporting portion 4
U-shaped cutouts 45 and 46 are provided except for the cutouts 3 and 44, and a curved portion 47 surrounded by the cutouts 45 and 46 has a radius of the insertion portion 22 with the support portions 43 and 44 as fulcrums. The holders 38 and 39 and the positioning portions 40 and 41 are also movable in the outer peripheral direction of the insertion portion 22.

In the component holder constructed as described above, first, the lead terminals 25 and 26 are attached to one end of the insertion portion 22 in a state where the polarities of the lead terminals 25 and 26 of the LED 21 correspond to the determination portion 42. The engaging surface 4 of the positioning portions 40 and 41 is made to penetrate through the through holes 27 and 28 of the mounting portion 24 provided.
0a, 41a, the lower end surface 2 of the base 23 of the LED 21
After the LED 21 is positioned by locking 3b, the excess portions of the lead terminals 25 and 26 projecting from the lower end surface 24b of the mounting portion 24 in this state are cut.

When the LED 21 is pressed from above in the direction of arrow C, the curved portion 47 of the insertion portion 22 surrounded by the notch holes 45 and 46 has the support portions 43 and 44 as the fulcrum, and the insertion portion 22 extends in the outer peripheral direction. Since it bends to
Also moves in the outer peripheral direction of the insertion portion 22, and thus the LED
21 and the lower end surface 23b of the base 23 and the positioning portion 4
The locking of the locking surfaces 40a and 41a of the LEDs 0 and 41 is released, and the LED 21 is inserted to a position where the lower end surface 23b of the base 23 of the LED 21 abuts the holding portions 38 and 39.

Further, when the LED 21 is pressed from above in the direction of arrow C, the base 23 of the LED 21 is held by the holding portions 38, 3.
The curved portion 47, which is surrounded by the notched grooves 45 and 46 of the insertion portion 22, by pressing the inclined surfaces 38a and 39a of the support member 9,
Since it bends in the outer peripheral direction of the insertion portion 22 with the fulcrum as a fulcrum,
The holding portions 38 and 39 also move in the outer peripheral direction of the insertion portion 22, and thus the LED 21 is mounted on the base 23 of the LED 21.
Is inserted to the position where it is placed on the upper end surface 24a of the placing section 24, and at the same time, the base 23 of the LED 21 is placed on the placing section
By sandwiching and holding the upper end surface 24a and the holding portions 38, 39, the insertion of the parts of the LED 21 into the holder is completed in the preparatory step before the line work.

The holder for the component in which the LED 21 is inserted as described above is used as a lead terminal 25 of the LED 21 on the line in the component attaching process to the printed circuit board.
The discriminator 42 discriminates the polarity of each terminal by the discriminator 42, and inserts it into the terminal insertion hole (not shown) of the printed circuit board (not shown) corresponding to the polarity of each terminal, After locking the locking portions 32 and 33 of 35 to the locking holes (not shown) of the printed circuit board (not shown), the lead terminals 25 and 26 and the printed circuit board (not shown) are soldered or the like. ) Is electrically connected to a wiring pattern (not shown). However, when the solder dip is used, the locking pieces 34 and 35 need to be molded by a heat resistant member such as heat resistant resin.

When the LED 21 is held and mounted in a cabinet (not shown) of an electronic device which is a body to be mounted, a printed circuit board (not shown) is soldered through a connecting wire (not shown) or the like. ) Electrical connection with a wiring pattern (not shown).

In the above case, the LED 21 is used in the preparation process.
Even after the lead terminals 25, 26 of the LED 21 are cut to a predetermined length to have the same length, the lead terminals 25, 26 of the LED 21 are inserted when the LED 21 is inserted into the holder of the component in the preparation step. Of the lead terminal 2 of the LED 21 in the step of attaching the component to the printed circuit board in order to insert the lead terminal 2 with the polarity corresponding to that of the determination section 42.
It is possible to accurately attach the printed circuit board (not shown) by discriminating the polarities of 5, 26.

Further, the base 23 of the LED 21 is mounted on the mounting portion 2
Since the LED 21 is inserted and attached to the component holder in a state of being sandwiched and held between the LED 4 and the holding portions 38 and 39, during transfer from the preparation process to the component mounting process to the printed circuit board or the printed circuit board. It is possible to prevent the LED 21 from rising and tilting with respect to the holder of the component due to vibration of a conveyor (not shown) in the component attaching process to the component.

In addition, in the preparation step, the lead terminals 25 and 26 of the LED 21 are cut into a predetermined length, and
By inserting the LED 21 into the device for holding the light emitting element, it is possible to reduce the work on the line in the process of attaching the component to the printed board, and it is possible to greatly improve the productivity.

In the above embodiment, the positioning portion and the holding portion are separate bodies, but the positioning portion and the holding portion are integrally formed as a protrusion, and the upper end surface of the protrusion (other than the insertion portion) The LED base is locked by the end surface) and positioned, and the LED base is sandwiched between the mounting portion and the lower end surface (the end surface of the insertion portion) of the protrusion. It may be held, the discriminator may be a notch in the outer peripheral portion of the insertion portion or may be marked, the holder of the component of the present invention is not limited to the one embodiment. Absent.

In addition, in the component holder of the above-described embodiment, the LED is arranged at a predetermined distance B from the printed circuit board.
Although the case where the lower end surface of the mounting portion of the holder for the component is directly contacted with the printed circuit board is described above, the prevention portion is not necessary in this case. ..

[0027]

Since the component holder of the present invention is constructed as described above, after the component is positioned by the positioning portion,
A dedicated jig for cutting the lead terminals to a predetermined length by cutting the lead terminals of the parts protruding from the outer shell of the holder of the parts to cut the lead terminals to a predetermined length. Is unnecessary, and the lead terminals of the above components can be easily cut into a predetermined length.

When the component is inserted into the holder for the component, the lead terminal of the component is inserted in a state in which the polarity of the lead terminal corresponds to that of the discriminating portion. Since the discriminator can easily discriminate the polarity of the lead terminal even after being inserted into the holder of
The light emitting element can be accurately attached to the printed circuit board, and the component is inserted into the holder of the component in the preparatory process and is attached on the line in the component attaching process to the attached body. Since it can be attached to the body, the work amount on the line in the step of attaching the component to the attached body can be reduced and the workability can be improved.

[Brief description of drawings]

FIG. 1 is a half cross-sectional explanatory view showing a component holder according to an embodiment of the present invention in a component positioning state.

FIG. 2 is a side view showing an embodiment of the component holder of the present invention.

FIG. 3 is a half cross-sectional explanatory view showing a conventional component holder in a state of being attached to a printed circuit board.

[Explanation of symbols]

 21 LED 25, 26 Lead terminal 40, 41 Positioning part 42 Discriminating part

Claims (2)

[Claims] 1. A holder for a component for mounting a component having a lead terminal such as a light emitting diode (LED) on a mounted body such as a printed circuit board so as to cut the lead terminal of the component into a predetermined length. A holder for parts, characterized in that a positioning part for positioning the parts is provided so that only an excess portion of the lead terminal projects from the outer contour of the holder for the parts. 2. A holder for a component, which holds and mounts a component having a polar lead terminal such as a light emitting diode (LED) on a mounted body such as a printed circuit board, for determining the polarity of the lead terminal of the component. A holder for parts, characterized by being provided with a discriminating section.