JPS629759Y2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a mounting device for electrical components, such as a light emitting element or a lamp, which can be fixed in a predetermined position.

Generally, the display section of radio receivers etc. shows the power supply.
A light emitting element such as a light emitting diode or a lamp is installed in the display hole formed in the display section so that the ON/OFF state and the preset state of the channel selection preset can be easily checked from the outside.

Conventionally, a device configured as shown in Figs. 1 to 3 has been used as an electrical component mounting device for mounting various electrical components such as light emitting elements and lamps at fixed height positions. Are known.

What is shown in FIGS. 1 to 4 includes a light emitting diode 8 as an electrical component, a frame 9 large enough to accommodate the light emitting diode 8, and a soldered portion of the light emitting diode 8, such as a lead. line 1
The printed circuit board 12 has through holes 11, 11 into which numbers 0 and 10 are inserted.

The light emitting diode 8 includes a molded body 13 containing a light emitting body, and a lower surface 13 of this molded body 13.
It is composed of the lead wires 10, 10 drawn out from a. Step portions 13b, 13b are formed on both side surfaces of the molded body 13.

On the other hand, the frame 9 includes a mounting plate 15 having a through hole 14 large enough to allow a portion of the light emitting diode 8 to protrude to the outside, and a mounting plate 15 that controls the position of the light emitting diode 8 so that it does not separate from the through hole 14 to the outside. A regulating portion 1 is provided near the through hole 14 in order to
6, 16, and a pair of elastic plates 17, 1 provided at the outer periphery of the through hole 14 and extending from the lower surface of the mounting plate 15 in the direction of the printed circuit board 12.
7, and a molded body 13 of the light emitting diode 8 provided on the opposing surfaces of each of these elastic plates 17, 17.
engaging portions 18, 18 that elastically engage with the lower surface of the
Elastic extension plates 19, 19 extend from the lower surface of the mounting plate 15, and engagement holes 20, 20 provided at the tips of these extension plates 19, 19 and formed in the printed circuit board 12 are engaged. wedge-shaped engagement claw 2
1 and 21 are integrally molded.

Opposing distance 1 between the above-mentioned position regulating parts 16, 16
₁ is the distance 1 ₂ between the shoulders of the stepped portions 13b, 13b formed on the molded body 13 as shown in FIG.
The light emitting diode 8 is formed sufficiently narrower than the through hole 14 to prevent the light emitting diode 8 from slipping out from the through hole 14.

Furthermore, leg portions 22, 22 are integrally molded on the outside of each of the elastic plates 17, 17. At the tips of the legs 22, 22, there are protrusions 23, 2 for preventing leg opening.
3 is formed. Each of these protrusions 23, 23 is
As shown in FIG. 4, these protrusions 23, 23, which are designed to be inserted into insertion holes 24, 24 made in the printed circuit board 12, emit light when stored in the storage section 25. When a load (pressing force) is applied to the upper part of the diode 8, each of the legs 22, 2
2 opens outward, thereby releasing the engagement state between the mold body 13 and each of the engaging portions 18, 18, and preventing the light emitting diode 8 from coming off downward. In addition, each of these engaging parts 18, 18 has an inclined surface 18 in the side direction of the mounting plate 15 of the frame body 9 so that the molded body 13 can be smoothly inserted into the storage part 25.
a, 18a.

Next, as described above, engaging pawls 21, 21 are provided at positions (see FIG. 4) that are substantially perpendicular to the elastic plates 17, 17 (legs 22, 22), and each of these engaging pawls Horizontal surface 21a that constitutes 21, 21,
By sandwiching the upper and lower surfaces 12b, 12b of the printed circuit board 12 between the elastic plates 17, 17, 21a (see FIG. 3) and the lower end surfaces 17a, 17a (see FIG. 2), the frame body is 9 is integrally fixed to the printed circuit board 12.

After attaching the frame 9 to the printed circuit board 12, each lead wire 10, 10 of the light emitting diode 8 is connected.
Solder 26 is applied to the tip.

In the electrical component mounting device configured as described above, the light emitting diode 8 is housed in a housing formed between the pair of elastic pieces 17, 17 of the frame 9 and the base end portions of the elastic extension plates 19, 19. It is inserted into the section 25. At this time, both side surfaces 13c, 13c of the molded body 13 are inserted while pressing the respective engaging parts 18, 18 outward, and the tip 13d thereof protrudes from the through hole 14, and the stepped part 1
3b comes into contact with the position regulating portion 16 as shown in FIG. When the step part 13b comes into contact with the position regulating part 16, as shown in _FIG . ₁₄ , the engaging portion 18, which had been pressed outward against the elastic force of the elastic plate 17, is press-fitted under the lower surface 13a of the molded body 13.

Thus, the light emitting diode 8
It is attached and held at a predetermined position within the frame body 9 by the engaging portion 18 and the storage portion 25 .

Further, the lead wires 10, 10 and the opening prevention protrusions 23, 23 are inserted into the through holes 11, 11 and the insertion hole 24 of the printed circuit board 12, and each engaging claw 2
1 and 21 are inserted into the engagement holes 20 and 20. At this time, the outer end surface 21b of the engaging claws 21, 21,
21b is inclined inward toward the tip, so that the engaging pawl 21,
21 is inserted smoothly.

The other end surface 17a of each elastic plate 17, 17,
When the engaging claws 21, 21 are inserted until the engaging claws 17a come into contact with the upper surface 12a of the printed circuit board 12, these engaging claws 21, 21 are engaged with the lower surface 12b of the printed circuit board. Therefore, the engaging claws 21, 21 and the elastic plate 1
The printed circuit board 12 is positioned in the vertical direction by interaction with the lower surfaces 17a, 17a of the components 7, 17, and the frame 9 is integrally attached to the printed circuit board 12.
As a result, the light emitting diode 9 is positioned and held at a constant height position above the printed circuit board 12 via the frame body 9.

In the mounting device configured as described above, as is clear from the mounting state shown in FIGS. 2 and 3, when a load is applied to the frame in the direction of removal from the printed circuit board, the load is There is a risk that all of this will be applied to the connection between the lead wire and the printed circuit board, causing disconnection of the light emitting diode.
There is also a risk of damaging the printed circuit board.

Therefore, the present invention aims to provide an electrical component mounting device that can protect electrical components such as light emitting diodes and the printed circuit board that are mounted on the printed circuit board, and also make it possible to reliably regulate the position of the electrical components. It was proposed for this purpose.

Hereinafter, preferred embodiments of the present invention will be described with reference to the drawings.

As shown in FIG. 5, the electrical component mounting device according to the present invention includes a mounting board 28 having a rectangular opening 43, and an electrical component mounted on a printed circuit board 12 via a pair of lead wires 10, 10. It consists of a light emitting diode 8 which is a component, and a mounting body 29 which holds the light emitting diode 8 and attaches it to the mounting board 28 in a positionally restricted manner.

The mounting body 29 includes a top plate 31 having fitting holes 30, 30 into which the tips of the light emitting diodes 8 protrude and are fitted, and a top plate 31 on the lower surface side of the top plate 31 in which the fitting holes 30, 30 are formed. A molded body 1 containing a light emitting body of the light emitting diode 8 provided in a nearby position.
A position regulating portion 32 (see FIG. 7 and FIG. 8) that is locked with a locking step portion 13b provided on the tip side of the light emitting diode 8 to restrict the amount of protrusion of the light emitting diode 8 from the fitting holes 30, 30. and a pair of elastic holding pieces protruding from the lower surface of the top plate 31 to face each other and having locking claws 34 at their tips for locking the lower surface 13a, which is a part of the molded body 13 of the light emitting diode 8. 33, 33
and a pair of printed circuit boards having engagement pieces 27 at their tips that engage engagement portions 42, 42 formed on opposite sides of the printed circuit board 12 provided on opposite sides of the top plate 31. Holding pieces 35, 35
and a peripheral upper surface 28 of the opening 43 of the mounting board 28 provided on opposite sides of the top plate 31 in parallel with the printed circuit board holding pieces 35, 35.
The first of two pairs is provided with a locking step portion 39 that locks on the a side.
elastic displacement pieces 36, 36 and 36, 36, and locking pieces 37 that engage with the periphery of the lower surface 28b side of the opening 43 on opposite sides perpendicular to both sides of the top plate 31 are provided at the tips. and a pair of second elastic displacement pieces 38, 38.

Then, the light emitting diode 8 has the distal end of the molded body 13 protrudingly fitted into the fitting holes 30, 30, and the locking step portions 13b, 13b are connected to the position regulating portion 3.
2, 32, and the lower surface 13a of the molded body 13 is held by the locking claws 3 of the elastic holding pieces 33, 33.
4 and 34 as shown in FIGS. 7 and 8, and held between the pair of elastic holding pieces 33 and 33. Further, the lead wire 10 is inserted into the through hole 11 and the lead wire 10 is connected with solder 26,
The print 12 to which the light emitting diode 8 is attached has engaging pieces 27, 27 on the engaging parts 42, 42.
When these are engaged with each other, the printed circuit board holding pieces 35, 35 hold the printed circuit board holding pieces 35, and the mounting body 29 is attached to the mounting body 29. That is, the light emitting diode 8 is mounted and held on the mounting body 29 together with the printed circuit board 12 while regulating the position in the height direction.

Mounting body 29 with the above-mentioned light emitting diode 8 attached
The locking step portions 39, 39 of the first elastic displacement pieces 36, 36 are locked on the upper surface 28a side of the periphery of the opening 43 of the mounting board 28, and the lower surface side periphery of the opening 43 of the mounting board 28 is fixed. The locking pieces 37, 37 of the second elastic displacement pieces 38, 38 are locked, and the second elastic displacement pieces 38, 38 are fitted into the openings 43 of the mounting board 28 for installation.

Note that the first elastic displacement pieces 36, 36 facing each other
The interval between the opposing second elastic displacement pieces 3 is formed to be larger than the width of the opening 43 in the short side direction.
8 and 38 is formed to be larger than the width of the opening 43 in the long side direction, and when the mounting body 29 is fitted into the opening 43, the first elastic displacement piece 3
6, 36 and the second elastic displacement pieces 38, 38 are elastically displaced so as to narrow the interval between them, and the mounting body 2
9 is resiliently held in the opening 43.

As is clear from the embodiments of the present invention described above,
According to the present invention, electric components such as light emitting diodes can be accurately positioned and mounted without applying any load to the printed circuit board. Therefore, according to the present invention, there is provided an electrical component mounting device that is capable of protecting electrical components such as light emitting diodes and the printed circuit board that are mounted on the printed circuit board, and also making it possible to reliably control the position of the electrical components. can do.

[Brief explanation of the drawing]

FIG. 1 is an exploded perspective view showing a conventional electrical component mounting device, FIG. 2 is a front sectional view thereof, FIG. 3 is a side sectional view, and FIG. 4 is a plan view. Fig. 5 is an exploded perspective view of the electrical component mounting device according to the present invention, Fig. 6 is a front cross-sectional view of the mounted state, and Fig. 7 is a side view of the device cut at the first elastic displacement piece. 8 is a sectional view, and FIG.
FIG. 9 is a side view, and FIG. 10 is a bottom view. 8... Light emitting diode, 12... Printed circuit board, 13b... Locking step, 28... Mounting board,
29... Mounting body, 30... Fitting hole, 31... Top plate, 32... Position regulating portion, 33... Elastic holding piece,
35... Printed circuit board holding piece, 36... First elastic displacement piece, 38... Second elastic displacement piece, 43...
Aperture.

Claims (1)

[Scope of Claim for Utility Model Registration] A mounting board having an opening, an electrical component such as a light emitting element or a lamp attached to the printed circuit board via a lead wire, and a fitting in which the tip of the electrical component protrudes. The top plate with holes is locked with the locking step provided on the bottom side of the top plate and on the tip side of the electric component, which is located near the fitting hole, and the electric component is locked. a position regulating part that regulates the amount of protrusion of the component from the fitting hole; and a pair of locking claws protruding from the lower surface of the top plate facing each other and having a locking claw at the tip that locks a part of the electrical component. at least one pair of printed circuit board holding pieces each having an elastic holding piece and an engaging piece provided at a tip thereof to engage with an engaging portion formed on both opposing sides of the printed circuit board provided on opposing sides of the top plate; and at least a pair of first locking steps provided on opposite sides of the top plate in parallel with the printed circuit board holding pieces and having a locking step portion at the tip that locks to the upper surface side of the opening periphery of the mounting board. a mounting body consisting of an elastic displacement piece and at least a pair of second elastic displacement pieces having locking pieces at their tips that engage with the periphery of the opening on opposite sides perpendicular to both sides of the top plate; The electric component has its tip protrudingly fitted into the fitting hole, the locking step portion locking with the position regulating portion, and a portion thereof locking with the locking claw of the elastic holding piece. At the same time, the printed circuit board is held by the elastic holding piece, and the engaging piece is engaged with the engaging portion of the printed circuit board, and the printed circuit board is held by the printed circuit board holding piece and attached to the mounting body, and the electrical component is attached. The body locks the locking step of the first elastic displacement piece on the upper surface side of the periphery of the opening of the mounting board, and locks the locking piece of the second elastic displacement piece on the periphery of the opening of the mounting board. An apparatus for attaching an electrical component to an electrical component by fitting the electrical component into the opening of the mounting board.