JPH078917U - Electronic musical instrument switch device - Google Patents

Abstract

(57) [Abstract] [Purpose] An object of the present invention is to provide a switch device for an electronic musical instrument, which can simplify the structure without impairing the design of the operation panel to which the switch is attached. [Configuration] Key top 21 is supported and key top 21
With the key top guide 22 for guiding the push button of the operation panel 1 inserted in the switch opening 6 of the operation panel 1,
Is attached directly to.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to a switch device for an electronic musical instrument such as an electronic organ.

[0002]

[Prior 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 mounting state of a switch. As shown in FIG. 10, in the electronic organ, various switch groups 72 are arranged on an operation panel 71 composed of a front panel and a time signature at the left end, and each switch group 72 has a plurality of switches 72. The switch 73 is arranged in an aligned state. As shown in FIG. 11, the switch 73 includes a key top 74 protruding on the upper surface of the operation panel 71, a key top guide 75 for guiding the 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 attached to the metal mount 77, and the switch body 76 is attached to the switch board 78. The key top 74 and the key top guide 75 are inserted into the switch opening 79 of the operation panel 71 so that the upper surface of the key top guide 75 and the upper surface of the operation panel 71 are flush with each other. On the other hand, the metal mount 77 is attached to the operation panel 71 via the boss 80 on the lower surface of the operation panel 71.

[0003]

[Problems to be solved by the device]

 In such a conventional switch device, the key top 74 and the key top guide 75 are attached to the metal mound 77, and the metal mound 77 is attached to the operation panel 71, which makes the structure complicated. At the same time, the number of parts is increased, and the mounting work is complicated, including the alignment of the key top 74 (key top guide 75) and the switch opening 79 of the operation panel 71.

The present invention has been made in view of the above problems, and it is an object of the present invention to provide a switch device for an electronic musical instrument, which can simplify the structure without impairing the design of the operation panel to which the switch is attached. Its purpose is.

[0005]

[Means for Solving the Problems]

 In order to achieve the above object, the present invention provides that a key top guide that supports the key top and guides the push button of the key top is directly attached to the operation panel while being inserted into the switch opening of the operation panel. Characterize.

In this case, a flange portion is formed on the upper portion of the key top guide and a hook portion is formed on the side portion, and the key top guide is brought into contact with the edge portion of the switch opening from the outside by the flange portion. In this state, it is preferable that the hook portion engages with the edge portion of the switch opening from the inside in a slip-prevented state.

[0007]

[Action]

 Since the keytop guide is inserted directly into the switch opening of the operation panel and directly attached to the operation panel, the keytop guide is directly supported on the operation panel, and the metal mount that has been used conventionally is installed. It can be omitted, the structure can be simplified, and the number of parts can be reduced.

In this case, a flange portion is formed on the upper portion of the key top guide and a hook portion is formed on the side portion, and the key top guide is brought into contact with the edge of the switch opening from the outside by the flange portion. In this state, the hook portion engages with the edge of the switch opening from the inside in a state that it does not slip out, so that the switch opening of the operation panel is hidden by the flange portion and the design of the operation panel is not damaged. Also, the flange and hooks make it easy to attach the key top guide to the operation panel without removing it.

[0009]

[Embodiment] 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 this switch device is applied. As shown in the figure, the operation panel 1 is provided with a "TIBIA" switch group 2a and an "ORCHESTRA" switch group 2b. In the "TIBIA" switch group 2a, two illuminated double switches 3 and one illuminated five switch 4 are arranged side by side. Similarly, the "ORCHESTRA" switch group 2b is provided. Is provided with three illuminated double switches 3 and one illuminated five switch 4 side by side.

FIG. 2 is a vertical side view of the double switch 3 (FIG. 2A) and its cut side view (FIG. 2B), and FIG. 3 is a vertical side view of the five switch 4. Fig. 3 (a) and its cut side view (Fig. 3 (b)), Fig. 4 is a lateral side view of a portion where the double switch 3 and the 5-switch 4 are arranged side by side (Fig. 4 ( a)) and its cut side view (FIG. 4 (b)), respectively. Here, referring to FIG. 2 and FIG. 4, the structure of the double switch 3 as the first embodiment is described first. The structure of the quintuple switch 4 as the second embodiment will be described later with reference to FIGS. 3 and 4.

As shown in FIGS. 2 and 4, each dual switch 3 includes a pair of key tops 21, 21, a key top guide 22 for guiding the push buttons of both key tops 21, 21, and each key top 21. It is composed of a pair of switch bodies 23 and 23 that are pressed by a button and a pair of LEDs 24 and 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. Further, each switch main body 23 is arranged directly below the corresponding key top 21, and each LED 24 is arranged directly below each of the 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 is composed of a head portion 21a having a rectangular flat surface shape with a large rounded front portion, and a round shaft portion 21b provided below the head portion 21a. It is integrally formed, and the push button is guided by the round shaft portion 21b to the key top guide 22, so that the head portion 21a is projected and retracted from the upper surface of the key top guide 22 (switch main body 23 is turned on and off). There is. A pair of retaining pieces 21c extending downward are formed on both sides of the head portion 21a, and the key top 21 is attached to the key top guide 22 in a retaining state by the retaining pieces 21c. 2 (a)). A pair of guide protrusions 21d and 21d for preventing rotation are formed on both sides of the round shaft portion 21b (see FIG. 2B).

As shown in FIG. 6, the key top guide 22 is vertically long and has a structure in which two key tops 21 and 21 can be mounted. The key top guide 22 includes a guide body 31 having a pair of mounting holes 32, 32 in which the key top 21 is slidably mounted, and a pair of lenses 25, 25 arranged in the mounting holes 32 and incorporated in the guide body 31. , A flange portion 33 that constitutes the upper plate of the guide body 31, a pair of hook portions 34, 34 formed on the longitudinal side portions of the guide body 31, and a spacer that extends to the lower end of the middle portion of the guide body 31. And part 35.

Each mounting hole 32 of the guide body 31 is formed in a planar shape complementary to the head portion 21 a of the key top 21, and the key top 21 is slidably fitted into the mounting hole 32. It has become. 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 the guide projection 21d of the key top 21 slides on the inner peripheral surface of the bearing portion 32a. A guide groove 32b is formed which is freely engaged and also serves as a rotation stopper for the keytop 21. Further, elongated holes 32c, 32c with which the retaining pieces 21c of the key top 21 are engaged are formed on both sides of each mounting hole 32, and the key top 21 is positioned at the rising end position by the elongated holes 32c, 32c. Are regulated. That is, the key top 21 is biased upward by the built-in spring (not shown) of the switch body 23, and is in the OFF state at the position where the retaining piece 21c abuts the upper end of the elongated hole 32c. .

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 upward and downward. The LED 24 is arranged immediately below the lens 25, and the light of the LED 24 is projected to the outside through the lens 25 (see FIG. 2B). The hook portion 34 is formed by notching the side wall of the guide body 31 in an inverted “U” shape, and has a claw portion 34 a formed at the 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 that is slightly larger than the switch opening 6 of the operation panel 1, and when the key top guide 22 is attached to the switch opening 6, the edge of the flange portion 33 is the upper edge portion of the switch opening 6. The key top guide 22 is prevented from falling into the switch opening 6 by abutting against.

That is, when the key top guide 22 is fitted into the switch opening 6, the lower surface of the flange portion 33 comes into contact with the upper surface of the operation panel 1 (the upper edge portion of the switch opening 6) and the operation panel 1 The hook portion 34 is engaged with the lower surface (lower edge portion of the switch opening 6) of the key top guide 22, and the key top guide 22 is attached to the operation panel 1 in a retaining state with one touch. Further, when the key tops 21 are fitted into the key top guides 22 attached to the operation panel 1, the retaining pieces 21c of the key tops 21 engage with the long holes 32c of the key top guides 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 body 23, and the key top 21 is ready to push the switch body 23. When the key top 21 is pressed in this state, the key top 21 is guided by the guide main body 31 and is immersed in the guide main body 31, and the switch main body 23 is pressed.

FIG. 7 is a modification of the first embodiment, and shows a key top guide 22 for mounting one key top (see FIG. 5) 21 of the first 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 only one mounting hole 32 and no spacer portion 35. .

Next, the quintuple switch 4 will be described with reference to FIGS. 3 and 5. As shown in both figures, the five-series 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. It is composed of five switch main bodies 44 which are each pushed by 42 and five LEDs 45 for illumination. Each key top 42 is 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 arranged directly below the corresponding key top 42, and each LED 45 is arranged directly below each lens 46 of the key top guide 43. In this state, each switch body 44 and each LED 45 is arranged. Are mounted on the switch board 5.

As shown in FIG. 8, the key top array 41 is formed integrally by connecting five key tops 42 by connecting pieces 47, and the key top guide 43 is formed at both ends of the connecting pieces 47. It can be attached. Each key top 42 is connected to a connecting piece 47 via an elastically formed arm portion 42a, and the arm portion 42a automatically returns after the push button. The head portion 42b of each key top 42 has a rectangular planar shape and an upper end portion having a semicircular cross-sectional shape. In addition, a guide protrusion 42c extending vertically and a retaining piece 42d extending horizontally are formed on the body of each key top 42.

On the other hand, as shown in FIG. 9, the key top guide 43 is vertically long as in the first embodiment, and has five key tops 42 arranged in the vertical direction. The key top guide 43 includes a guide main body 51 having five mounting holes 52 in which each key top 42 is slidably mounted, five lenses 46 arranged side by side in each mounting hole 52, and a guide main body 51. The upper plate has a flange portion 53 and a pair of hook portions 54 formed on the sides of the guide body 51 in the longitudinal direction, and has a structure similar to that of 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 portion 53 comes into contact with the upper surface of the operation panel 1, and the operation panel 1 The hook portion 54 contacts the lower surface, and the key top guide 43 is attached to the operation panel 1 with one touch.

As described above, according to these embodiments, the key tops 22 and 43 are provided with the flange portions 33 and 53 and the hook portions 34 and 54 so that the edges of the switch opening 6 are sandwiched therebetween. Since the guides 22 and 43 are attached to the operation panel 1, a member for supporting the keytop guides 22 and 43 separately from the operation panel 1 is not necessary, and the structure can be simplified. Further, the key top guides 22 and 43 can be mounted with one touch by simply fitting them into the switch opening 6 from above, and the mounting can be performed extremely easily.

Further, when the key top guides 22, 43 are attached to the operation panel 1, the switch opening 6 of the operation panel 1 is hidden under the flange portions 33, 53 of the key top guides 22, 43, so that the operation panel 1 The design is not compromised.

In both of the above-mentioned embodiments, the key top guide is attached to the operation panel by sandwiching the edge portion of the switch opening with the flange portion and the hook portion of the key top guide. The structure is not limited to this as long as the guide can be directly attached to the operation panel.

[0025]

[Effect of device]

 As described above, according to the switch device of the electronic musical instrument of the present invention, since the dedicated panel for supporting the switch can be omitted, the structure can be simplified and the design of the operation panel is not impaired, and the cost can be reduced. Has the effect of being able to achieve down.

[Brief description of 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 showing a mounted state of a double switch according to an embodiment.

3A and 3B are a side view in the vertical direction and a cross-sectional view showing a mounted state of a quintuple switch according to an embodiment.

4A and 4B are a lateral side view and a cross-sectional view of a state in which two switches and five switches according to the embodiment are arranged side by side.

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

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

FIG. 7 is a structural diagram of a key top guide of a modified example of the first embodiment.

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

FIG. 9 is a structural diagram of a key top guide of the second embodiment.

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

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

[Explanation of symbols]

 1 Operation panel 3 2 switch 4 5 switch 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 (2)

[Scope of utility model registration request] 1. A key top guide for supporting a key top and guiding a push button of the key top is directly attached to the operation panel in a state of being inserted into a switch opening of the operation panel. Electronic musical instrument switch device. 2. A flange portion is formed on an upper portion of the key top guide, and a hook portion is formed on a side portion of the key top guide. The key top guide contacts the edge portion of the switch opening from the outside by the flange portion. The switch device for an electronic musical instrument according to claim 1, wherein the hook portion is engaged with the edge portion of the switch opening from the inside in a state of coming off in a contact state with the hook portion.