JPH0333088Y2 - - Google Patents

Description

[Detailed description of the invention] [Industrial application field] This invention is used to attach parts such as external connection terminals and volumes that are exposed outside the exterior (case) of electrical equipment such as electronic musical instruments and audio equipment. Regarding panel mounting structure.

[Summary of the idea]

This idea is based on a mounting structure for a panel mounted with parts exposed on the outside of the exterior of an electrical device, in which the panel is integrated into a unit with a board mounted with electronic parts constituting its related circuitry. The unit is installed by fitting the first and second locking parts provided near one end and the other end into the first and second engaging parts provided on the exterior of the electrical device, respectively,
It can be installed extremely easily without using any separate parts or tools.

[Conventional technology]

As an example of a conventional installation of a panel on which externally exposed parts of such an electric device are attached, for example, as shown in FIG. There is one in which an accessory case 4 is attached to the lower surface of a shelf board 3 provided for placing a device (not shown), and a panel containing externally exposed parts is installed inside the accessory case 4.

Fig. 7 shows the panel mounting structure, in which a panel (jack board) 5 is mounted with external connection terminals (jacks, not shown), and a printed circuit board is mounted with electronic components (not shown) constituting the related circuits. 6 and a reinforcing plate 7 etc. to form a unit, which is fixed to the accessory case 4 by a plastic rivet 8, and which causes the operating shaft 9a to protrude outside, such as the volume 9. Accessory case 4 using hexagonal nut 10
It was fixed by tightening it from the outside.

[Problem that the invention attempts to solve]

However, in such conventional panel mounting structures for electrical equipment, separate fastening parts such as plastic rivets and hexagonal nuts are required to attach a panel with externally exposed parts attached to the exterior of the electrical equipment. This requires tools to use it, which not only increases the number of parts, but also makes it difficult to install panels in places that are narrow or difficult to work with, such as the underside of an electronic organ shelf. There was a problem that it became difficult.

The purpose of this invention is to solve these conventional problems and facilitate panel installation work.

[Means for solving problems]

Therefore, in the panel mounting structure of electrical equipment devised, a panel on which components exposed to the outside of the exterior are mounted is integrally combined with a board on which electronic components constituting the related circuit are mounted to form a unit. A first locking portion and a second locking portion are located near one end and the other end of the
In addition to providing a locking portion, a first engaging portion and a second engaging portion are provided correspondingly on the exterior side, and the first and second locking portions of the unit are connected to the first and second engaging portions. The unit is fixed to the exterior by fitting the parts together.

〔Example〕

An embodiment in which this invention is applied to a panel mounting structure to an accessory case of an electronic organ as described above will be described below with reference to FIGS. 1 to 5 of the accompanying drawings.

In these figures, 11 is a synthetic resin panel,
In this example, in addition to the volume 12, as shown in FIG. 3, there is a jack group 13 consisting of two jacks for outputting signals to the outside and two jacks for inputting signals from the outside, and a microphone input jack 14 and headphone output jack 1
5 is installed and fixed in a predetermined position in advance.

Reference numeral 16 denotes a printed circuit board on which electronic components (not shown) constituting circuits related to the above-mentioned components mounted on the panel 11 are mounted, and between the mounted electronic components and the components mounted on the panel 11. A printed pattern for connecting with numbers 12 to 15, etc. is formed.

The panel 11 and the printed circuit board 16 are integrally connected by a reinforcing plate 17 to form a panel unit 18.

Panel 1 forming one end of this panel unit 18
As shown in FIGS. 1 and 2, a hook-shaped first locking portion 1 is provided at the front edge of the upper end of the hook-shaped first locking portion 1 bent upward at a substantially right angle.
1a are formed at three locations at intervals in the longitudinal direction as clearly shown in FIG.
1b is provided protrudingly.

Further, a pair of second locking portions 16a formed of elongated holes are provided on both sides near the rear end of the printed circuit board 16, which forms the other end of the panel unit 18.

On the other hand, 20 is an accessory case that protrudes from the bottom surface of the shelf board 5 of the electronic organ and forms part of the exterior.
Wooden screws (not shown) are inserted into the plurality of attachment holes 21 and screwed to the shelf board 5.

As shown in FIG. 3, the front surface of the accessory case 20 has a circular hole 22 that escapes the knob 12b inserted into the operating shaft 12a of the volume 12, a jack group 13, a microphone input jack 14, and a headphone output jack. A long hole 23 and round holes 24 and 25 are formed to expose the holes 15 to the outside.

Then, the first panel unit 18 on the upper part
Three first engaging parts 26 made of square holes are formed at positions corresponding to the locking parts 11a, and the upper edges of each of the first engaging parts 26 are formed into protrusions 26a having two slopes forming an angle of about 90 degrees.

Furthermore, a panel unit 18 is provided on the lower slope part.
As clearly shown in FIG. 4, a second engaging portion 27 consisting of a pair of engaging pieces having a claw 27a at the upper end is provided in a protruding manner at a position corresponding to the pair of second engaging portions 16a. As shown in the drawings and FIG. 2, spacers 28 and 29 are integrally formed to regulate the distance between the panel unit 18 and the printed circuit board 16 when the panel unit 18 is attached.

Next, the accessory case 2 configured in this way
The procedure for attaching the panel unit 18 to 0 will be explained.

First, the first locking part 11a provided on the panel 11 of the panel unit 18 is fitted into the first engaging part 26 of the accessory case 20, as shown in FIG.
When the panel unit 18 is rotated in the direction of arrow B while being engaged with the protrusion 26a, the second locking portion 16a provided on the printed circuit board 16 engages with the second engaging portion 27 provided on the accessory case 20. 27a, the lower surface of the printed circuit board 16 is connected to the spacer 2.
8 and 29, the spacer 11b on the front surface of the panel 11 abuts on the inner surface of the front surface of the accessory case 20, and stops in the state shown in FIG.

In this state, the knob 12b is inserted into the operating shaft 12a of the volume 12 from the direction of arrow C to complete the installation.

In this installation completed state, the first locking portion 11a of the panel unit 20 is attached to the accessory case 20.
The second engaging part 16a fits into the second engaging part 27 of the accessory case 20 as shown in FIG. 5, and is engaged by the claw 27a. Since the panel unit 20 is stopped, the panel unit 20 is fixed so that it cannot be moved forward, backward, left or right.

Although the above embodiment describes the case where this invention is applied to the mounting structure of a panel on which externally exposed parts are attached to an accessory case of an electronic musical instrument, this invention is not limited to this, and for example,
It can be applied to a wide range of electrical equipment such as PA mixers, various audio equipment, and OA equipment.

[Effect of idea]

As described above, the panel mounting structure for electrical equipment according to this invention is such that a panel on which externally exposed parts are mounted is integrally combined with a board on which electronic parts are mounted to form a unit, and a 1. A first device in which the second locking portion is provided on the exterior of the electrical device;
Since the panel unit is installed by fitting into the second engaging portion, there is no need to use separate parts such as plastic rivets or tools, and the panel unit can be installed inside the interior of electrical equipment extremely easily and reliably. Can be fixed.

[Brief explanation of drawings]

Fig. 1 is a cross-sectional view of the same part as Fig. 2 showing a state in which a panel unit is being installed in an embodiment of this invention, and Fig. 2 is a line A-A in Fig. 3 showing a state in which the panel unit has been installed. FIG. 3 is a front view taken from the direction of arrow C in FIG. 2, and FIG. 4 is a cross-sectional view along the
FIG. 5 is an enlarged sectional view taken along the line D-D in FIG. 1 showing the engaging part, and FIG. 5 is a perspective view of the main part showing the fitted state of the second engaging part and the second locking part of the panel unit. It is. FIG. 6 is a side view showing an example of an electronic organ to which this invention is applied, and FIG. 7 is a sectional view showing an example of a panel mounting structure of a conventional electronic organ. 3... Shelf board, 4... Accessory case, 11...
...Panel, 11a...First locking part, 11b...Spacer, 12...Volume, 13...Jack group, 14...Microphone input jack, 15...Headphone output jack, 16...Printed circuit board, 16a...Second locking part, 18...Panel unit, 20...Accessory case (exterior), 26
...First engaging part, 27... Second engaging part, 28,2
9...Spacer.

Claims (1)

[Claims for Utility Model Registration] 1. A panel on which parts exposed on the outside of the exterior of an electrical device are mounted is integrally combined with a board on which electronic parts constituting the related circuit are mounted to form a unit, and the unit is assembled into a unit. A first locking portion is provided at one end, a second locking portion is provided near the other end, and a first locking portion is provided on the exterior of the electrical equipment to which the unit is attached, corresponding to the first and second locking portions. and a second engaging part, and the unit is fixed to the exterior by fitting the first and second locking parts of the unit into the first and second engaging parts, respectively. A panel mounting structure for electrical equipment featuring: 2. A panel mounting structure for electrical equipment according to claim 1, wherein the first locking portion of the unit rotatably fits into the first engaging portion of the exterior.