JP2590410Y2 - Key Top Guide for Electronic Musical Instruments - Google Patents

Description

[Detailed description of the invention]

[0001]

BACKGROUND OF THE INVENTION The present invention relates to a keyboard for pushing a switch body in an electronic musical instrument such as an electronic organ.
Guides and displays the operating status of the switch body.
It relates to the key top guide of the electronic musical instrument shown .

[0002]

2. Description of the Related Art FIG. 10 is a plan view around an operation panel of a conventional electronic organ or the like, and FIG. 11 is a side view showing a mounted state of a switch. As shown in FIG. 10, in the electronic organ, various switch groups 72 are disposed on an operation panel 71 including a front panel and a clasp at the left end, and each switch group 72 includes a plurality of switches 73. They are arranged in an aligned state. As shown in FIG. 11, the switch 73 includes a key top 74 protruding from the upper surface of the operation panel 71, a key top guide 75 for guiding a push button of the key top 74, and a switch body 76 pushed by the key top 74. The key top 74 and the key top guide 75 are mounted on the metal mount 77 and the switch body 76.
Are attached to the switch board 78, respectively. The key top 74 and the key top guide 75 are inserted into the switch opening 79 of the operation panel 71 such that the upper surface of the key top guide 75 and the upper surface of the operation panel 71 are flush. On the other hand, the metal mount 77 is
1 is attached to the operation panel 71 via a boss 80 on the lower surface.

[0003]

In such a conventional switch device, a key top 74 and a key top guide 75 are attached to a metal mound 77, and the metal mound 77 is attached to an operation panel 71. Therefore, the structure becomes complicated, the number of parts increases, and the mounting work including the positioning of the key top 74 (key top guide 75) and the switch opening 79 of the operation panel 71 becomes complicated. Had become.

[0004] The present invention has been made in view of such problems, without impairing the design of the control panel the switch is mounted, to be able to simplify the structure together
Easily, accurately and rattle directly on the operation panel
Keys for electronic instruments that can be securely attached without
Its purpose is to provide a top guide .

[0005]

In order to achieve the above-mentioned object, the present invention provides a plurality of switch bodies and their operation states.
Switch with multiple light emitting elements arranged side by side
Provided on the operation panel with the board inside,
Guides multiple key tops that each press the switch body
Display the operation status of multiple switches.
Key top guide for electronic musical instruments
Fitted from the outside into the formed opening, multiple key tops
Has a plurality of mounting holes, each of which is slidably mounted
Vertical or horizontal guide body and guide aligned with mounting holes
It is built into the main unit, and the light of multiple light emitting elements is
And multiple lenses projecting from the main body
And the flange that contacts the edge of the opening and the guide body
On both sides in the longitudinal direction, spaced inside the flange
Is formed, and the guide body is engaged with the edge of the opening
A pair of hooks to be fitted
Spacer part that extends in the direction
And characterized in that:

[0006]

[0007]

According to the key top guide of this electronic musical instrument,
A number of key tops that push the number of switch bodies
When guided by multiple mounting holes in the
In addition, light from multiple light-emitting elements was incorporated into the guide body
By being projected outside through multiple lenses,
The operation status of the switch body is displayed. In this case, the key top guide is fitted into the opening of the operation panel ,
The operation panel with the flange and hook
By being contact fitted, the key top guide is supported directly on the operation panel, it can be omitted metal mounts used conventionally, simply the structure, and it is possible to reduce the number of parts.

The opening of the operation panel is formed by the flange.
Concealment impairs the design of the operation panel
Not. In addition, the flange and hook
ー The top guide can be easily attached to the operation panel
And a pair of hooks
Is located on both longitudinal sides of the
And securely attach the key top guide to the operation panel
Can be It is also provided in the middle of the guide body.
The distance between the switch board and the
The key top guide to the switch board.
And can be attached with high accuracy. In addition, a guide
The main body receives reaction force from the switch board through the spacer
The key top guide to the operation panel
It can be attached, and only the flange and hook
It is possible to reliably prevent rattling that may occur when the parts are attached.
In this way, the key top guide of the present invention is
Flange, a pair of hooks,
The accuracy of the operation panel can be easily and directly controlled by the cooperation of the
Can be attached well and without looseness
You.

[0009]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, a switch device for an electronic musical instrument according to an embodiment of the present invention will be described in detail with reference to the accompanying drawings. FIG. 1 is a partial plan view of an operation panel of an electronic organ to which the switch device is applied. As shown in the figure,
In the operation panel 1, a "TIBIA" switch group 2a and an "ORCHESTRA" switch group 2b are provided. The “TIBIA” switch group 2a includes:
2 illuminated double switches 3 and 5 illuminated switches
One continuous switch 4 is arranged side by side.
RCHESTRA ”switch group 2b includes an illuminated 2
3 switches 3 and 5 switches 4 with illumination
Are arranged side by side.

FIG. 2 is a vertical side view of the dual switch 3 (FIG. 2A) and a cut side view thereof (FIG. 2B).
FIG. 3 is a vertical side view of the five-unit switch 4 (FIG. 3).
(A)) and its cut side view (FIG. 3 (b)) are shown in FIG.
FIG. 4A shows a lateral side view (FIG. 4A) of a portion where the two-unit switch 3 and the five-unit switch 4 are arranged, and FIG. 4B shows a cut side view thereof (FIG. 4B). 2 and FIG. 4, a double switch 3 as a first embodiment
Will be described first, and the second structure will be described with reference to FIGS.
The structure of the quintuple switch 4 as an embodiment will be described later.

As shown in FIGS. 2 and 4, each double switch 3 has a pair of key tops 21, 21 and a key top guide 22 for guiding the push buttons of both key tops 21, 21.
And a pair of switch bodies 23, 23 pushed by each key top 21, and a pair of LEDs 24, 24 for illumination. Each key top 21 is supported by a key top guide 22, and the key top guide 22 is attached to the operation panel 1. In addition, each switch body 23
Each LED 24 is located immediately below the corresponding key top 21.
Are arranged directly below each of a pair of lenses 25, 25 incorporated in the key top guide 22, and in this state, each switch body 23 and each LED 24 are attached to the switch board 5.

As shown in FIG. 5, the key top 21 has a head portion 21a having a rectangular flat shape with a large front radius, and a round shaft portion 2 provided below the head portion 21a.
1b, the push button is guided by the key top guide 22 by the round shaft portion 21b, and the head portion 21a protrudes from the upper surface of the key top guide 22 (the switch body 23).
ON-OFF). Head part 21
a pair of retaining pieces 21c extending downward are formed on both sides of the key top 21.
As shown in FIG. 2A, the key top guide 22 is attached to the key top guide 22 so as not to come off. In addition, the round shaft portion 21
b, a pair of guide projections 21 for stopping rotation
d and 21d are formed (see FIG. 2B).

As shown in FIG. 6, the key top guide 22 is formed vertically long and has a structure in which two key tops 21 and 21 can be mounted. The key top guide 22
A pair of mounting holes 3 in which the key top 21 is slidably mounted.
And a pair of lenses 25, 2 arranged in each mounting hole 32 and incorporated in the guide body 31.
5 and a flange portion 33 forming an upper plate of the guide body 31
And a pair of hooks 34, 34 formed on the side in the longitudinal direction of the guide main body 31, and a spacer 35 extending from the lower end of the intermediate part of the guide main body 31.

Each mounting hole 32 of the guide body 31 is formed in a planar shape complementary to the head portion 21a of the key top 21, and the key top 21 is slidably fitted into the mounting hole 32. ing. A bearing portion 32a into which the round shaft portion 21b of the key top 21 is inserted is formed at the center of each mounting hole 32, and a guide projection 21d of the key top 21 slides on the inner peripheral surface of the bearing portion 32a. A guide groove 32b that freely engages and also serves as a stopper for the key top 21 is formed. On both sides of each mounting hole 32, elongated holes 32c, 32c with which the retaining pieces 21c of the key top 21 are engaged are formed, and the raised end position of the key top 21 is regulated by the elongated holes 32c, 32c. Have been. That is, the key top 21 is urged upward by the built-in spring (not shown) of the switch body 23,
At the position where the retaining piece 21c contacts the upper end of the long hole 32c,
It is in the OFF state.

The lens 25 is formed of a translucent resin or the like in a vertically long column shape, and is incorporated so as to penetrate the guide body 31 vertically. LED 2 is located directly below the lens 25.
4 is provided, and the light of the LED 24
2 is projected to the outside through
(B)). The hook portion 34 is formed by cutting a side wall of the guide main body 31 in an inverted “U” shape, and has a claw portion 34 a formed at a tip thereof. When fitted into the switch opening 6, it projects outward and engages with the lower edge of the switch opening 6. The flange portion 33 has a planar shape slightly larger than the switch opening 6 of the operation panel 1, and when the key top guide 22 is mounted on the switch opening 6, the edge of the flange portion 33 becomes the upper edge of the switch opening 6. , So that the key top guide 22 does not fall into the switch opening 6.

That is, when the key top guide 22 is fitted into the switch opening 6, the lower surface of the flange portion 33 contacts the upper surface of the operation panel 1 (upper edge of the switch opening 6), and the lower surface of the operation panel 1 ( The hook portion 34 is engaged with the lower edge portion of the switch opening 6), and the key top guide 22 is
Can be attached to the operation panel 1 with one touch in a retaining state. When each key top 21 is fitted into the key top guide 22 attached to the operation panel 1 so as to be fitted, the retaining piece 21 c of the key top 21 is engaged with the long hole 32 c of the key top guide 22 in a retaining state. At the same time, the lower end of the key top 21 comes into contact with the upper end of the switch main body 23, and the key top 21 is ready to be pressed on the switch main body 23. In this state, when the key top 21 is pressed, the key top 21 is guided by the guide body 31 and is immersed in the guide body 31, and the switch body 23 is pressed.

FIG. 7 shows a modification of the first embodiment.
A key top guide 22 for mounting one key top (see FIG. 5) 21 of the embodiment. The key top guide 22 has substantially the same structure as the key top guide 22 of the first embodiment except that the key top 21 has one mounting hole 32 and no spacer portion 35.

Next, the quintuple switch 4 will be described with reference to FIGS. As shown in both figures, the five-switch 4 includes a key-top array 41 having five key-tops 42, a key-top guide 43 for guiding the push buttons of the five key-tops 42, and five key-tops 42. 5 switch bodies 44, each of which is pressed,
And a plurality of LEDs 45. Each key top 42
Are supported by a key top guide 43, and the key top guide 43 is attached to the operation panel 1. Further, each switch body 44 is disposed immediately below the corresponding key top 42, and each LED 45 is disposed immediately below each lens 46 of the key top guide 43. In this state,
Each switch body 44 and each LED 45 are attached to the switch board 5.

As shown in FIG. 8, the key top array 41 has five key tops 42 connected by connecting pieces 47.
It is formed integrally, and is attached to the key top guide 43 at both ends of the connecting piece 47. Each key top 42 is connected to a connecting piece 47 via an elastically formed arm portion 42a.
By a, automatic return is performed after pressing the button. The head portion 42b of each key top 42 has a rectangular planar shape,
The upper end has a semicircular cross-sectional shape. A guide projection 42c extending vertically is provided on the body of each key top 42.
And a retaining piece 42d extending horizontally.

On the other hand, as shown in FIG. 9, the key top guide 43 is formed vertically long as in the first embodiment, and has a structure in which five key tops 42 are arranged in the vertical direction. The key top guide 43 includes a guide body 51 having five mounting holes 52 in which the key tops 42 are slidably mounted,
The five lenses 46 arranged side by side in each mounting hole 52, the flange 53 forming the upper plate of the guide main body 51, and each pair of hooks 54 formed on the longitudinal side of the guide main body 51. This is almost the same structure as the first embodiment.

That is, when the key top guide 43 to which the key top array 41 is attached is fitted into the switch opening 6, the lower surface of the flange 53 abuts on the upper surface of the operation panel 1, and the hook portion contacts the lower surface of the operation panel 1. The key top guide 43 is attached to the operation panel 1 with one touch.

As described above, according to these embodiments, the key top guides 22 and 43 are sandwiched between the flanges 33 and 53 and the hooks 34 and 54 so that the edge of the switch opening 6 is sandwiched therebetween. Since the operation panel 22 and 43 are attached to the operation panel 1, members for supporting the key top guides 22 and 43 separately from the operation panel 1 are not required, and the structure can be simplified. Further, the key top guides 22 and 43 can be mounted with one touch only by fitting the key top guides 22 and 43 into the switch opening 6 from above, and the mounting can be performed extremely easily.

Further, when the key top guides 22 and 43 are attached to the operation panel 1, the switch opening 6 of the operation panel 1 is hidden under the flange portions 33 and 53 of the key top guides 22 and 43. Design is not impaired.

In each of the above embodiments, the key top guide is attached to the operation panel such that the edge of the switch opening is sandwiched between the flange portion and the hook portion of the key top guide. The structure is not limited to this as long as it can be directly attached to the operation panel.

[0025]

[Effect of the invention] As described above, the key of the electronic musical instrument of the invention is
The top guide is an operation panel with a switch
The structure can be simplified without compromising the design of the
Both are easy, accurate and play directly on the operation panel.
It has the effect that it can be securely attached without sticking .

[Brief description of the drawings]

FIG. 1 is a plan view of an operation panel to which a switch device according to an embodiment of the present invention is applied.

FIG. 2 is a vertical side view and a cross-sectional view illustrating a mounting state of a dual switch according to an embodiment.

3A and 3B are a vertical side view and a cross-sectional view illustrating a mounting state of a 5-unit switch according to the embodiment.

FIG. 4 is a lateral side view and a cross-sectional view of a state in which a double switch and a quintuple switch according to an embodiment are arranged.

FIG. 5 is a structural diagram of the key top of the first embodiment.

FIG. 6 is a structural diagram of the key top guide of the first embodiment.

FIG. 7 is a structural diagram of a key top guide according to a modification of the first embodiment.

FIG. 8 is a structural diagram of a key top array according to a second embodiment.

FIG. 9 is a structural view of a key top guide according to a second embodiment.

FIG. 10 is a plan view of an operation panel to which a switch device of a conventional electronic musical instrument is applied.

FIG. 11 is a side view showing a mounting state of a switch device of a conventional electronic musical instrument.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Operation panel 3 2 switches 4 5 switches 6 Switch opening 21 Key top 22 Key top guide 33 Flange part 34 Hook part 42 Key top 43 Key top guide 53 Flange part 54 Hook part

Claims (1)

(57) [Scope of request for utility model registration] 1. A plurality of switch bodies and their operation states
A plurality of light-emitting elements that emit light according to
It is installed on the operation panel with the switch board inside.
Multiple keys to push multiple switch bodies
Guide, and operate the switch bodies.
The key top guide of the electronic musical instrument that displays the operation status
And fitted into the opening formed in the operation panel from the outside,
Each of the plurality of key tops is slidably mounted.
A vertically or horizontally long guide body having a plurality of mounting holes, and being incorporated into the guide body side by side with the mounting holes,
A plurality of lasers each projecting light from a plurality of light emitting elements to the outside
And projecting laterally from the guide body and contacting the edge of the opening.
A flange portion to be in contact with the guide body;
The guide body is formed at an interval inside the
A pair of hooks which are engaged with the edge of the opening in a retaining state.
And a guide portion extending inward from an intermediate portion of the guide body, and a distal end of the guide body.
Kitoppuga of an electronic musical instrument characterized by comprising abutting spacer portion switch substrate, the
Id.