JP3991820B2 - Musical instrument - Google Patents

Description

[0001]
[Field of the Invention]
The present invention relates to a musical instrument having a performance operation unit and a musical instrument main body supported by legs.
[0002]
[Prior art]
2. Description of the Related Art Conventionally, a musical instrument having a performance operation unit such as a keyboard has been known in which a leg portion supporting a musical instrument main body is configured to be housed or foldable so as to be compact and convenient for carrying.
[0003]
For example, in the first conventional musical instrument (Japanese Utility Model Publication No. 57-51416, 51417, 51418), a pair of lids are configured to be detachable from the instrument body, and function as lids when being carried or stored. At the time of installation, the lid body is removed and fixed to the bottom of the main body with a screw body via an auxiliary tool so as to be used as a leg body.
[0004]
Further, in the second conventional musical instrument (Japanese Utility Model Laid-Open No. 6-16990), a leg member is foldably attached to both left and right ends of the instrument body, and when the leg member is folded, a box-like shape provided at the bottom of the instrument body. The leg member is stored in the storage section.
[0005]
[Problems to be solved by the invention]
However, in the first conventional musical instrument, it is necessary to detach the lid, store it properly, attach the auxiliary tool properly and fix it with the screw, and vice versa. In addition, the storing operation is complicated. Furthermore, since the lid body, the auxiliary tool, the screw body, and the like are separated from the main body, these parts may be lost.
[0006]
In the second conventional musical instrument, since the leg member does not serve as the lid, the performance operation unit is not protected. On the other hand, if the lid is separately provided, the configuration becomes complicated and it is difficult to make the system compact.
[0007]
The present invention has been made to solve the above-described problems of the prior art, and has an object of being easy to assemble and store with a simple configuration and without worrying about losing parts, but good in use. An object of the present invention is to provide a musical instrument that can ensure performance operability and can be compact while protecting a performance operation unit during storage and transportation.
[0008]
[Means for Solving the Problems]
Instrument according to claim 1 of the present invention in order to achieve the above object, a musical instrument having a performance operation portion, respectively are pivotably connected via a hinge mechanism to the outer edge near the left and right sides of the instrument body Each of the two rotary members each having a substantially half length in the longitudinal direction of the musical instrument main body and configured in a dust removal type, and the inner side of each hinge mechanism portion in the left-right direction, and a pair of small leg portions which are provided on the lower surface of the instrument body, the two bodies rotating member is rotated around the hinge mechanism, the free end of each rotating member of the two bodies Functions as a leg for supporting the instrument body when facing the installation surface, and covers the instrument body when the free ends of the two rotating members are close to each other above the instrument body is configured to function as a pivoting member of said two bodies is pre When functioning as a lid that covers the instrument body, each of the small leg portions is in direct contact with the installation surface to support the instrument body, and the two rotating members serve as legs that support the instrument body. When functioning, each of the small leg portions comes into contact with the end portion of the corresponding rotating member on the hinge mechanism portion side, so that the load of the instrument body passes through the small leg portion without the hinge mechanism portion. It is configured to be supported by the two rotating members .
[0009]
According to this configuration, when the two rotating members rotate and the free end faces the installation surface, they function as legs that support the instrument body, so that the instrument body can be held at an appropriate height. Good performance operability is ensured. Further, since the free ends function as a lid that covers the musical instrument main body when close to each other above the musical instrument main body, it is possible to store and transport the musical instrument compact while protecting the performance operation unit. Further, since the two rotating members serve as the lid and the leg, the configuration is simple by reducing the number of parts. In addition, since the two rotating members are pivotally connected to the vicinity of the outer edge of the instrument body via the hinge mechanism, it can be configured so that assembly and storage can be performed only by the pivoting operation. There is no worry about loss. Therefore, it can be easily assembled and stored without worrying about losing parts with a simple structure, while ensuring good performance operability during use and compactness while protecting the performance operation section during storage and transportation. can do.
[0010]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, embodiments of the present invention will be described with reference to the drawings.
[0011]
FIG. 1 is an external view of a musical instrument according to an embodiment of the present invention when used obliquely from the front. FIG. 2 is an external view of the musical instrument when not in use as viewed obliquely from behind.
[0012]
For example, the musical instrument is configured as a keyboard musical instrument, and is used as a lid body by covering the musical instrument main body 10 with a lid and legs 20L / R (described later) when not in use such as storage and transportation. At the same time, the lid / leg portion 20L / R is suspended below the main body 10 and used as a leg when used for performance. The performance is performed by sitting on a chair (not shown).
[0013]
The main body 10 includes a keyboard unit 11 and an operator group (not shown). Lid and leg portions 20L and 20R are connected to the lower portions of the left and right end portions 10L and 10R of the main body 10 via hinge mechanism portions 13A to 13D, respectively, and the lid and leg portions 20L / R are viewed from the front of the main body 10. It can be rotated clockwise and counterclockwise. The lid and leg portions 20L and 21R are formed in a dust removal type. Here, the dust removal mold is a known mold composed of a bottom plate, both side walls, and a connecting wall that connects both side walls. The lid and leg portions 20L and 21R are flat plate portions 20L1 and 20R1 corresponding to the bottom plate, front plate portions 20L2 and 20R2 and back plate portions 20L3 and 20R3 corresponding to the side walls, and a side plate portion 20L4 corresponding to the connecting wall. 20R4. The length (height during use) of each lid and leg 20L / R is set to about half of the total length in the longitudinal direction of the main body 10.
[0014]
Cushioning materials 21L and 21R such as hard rubber are fixed to the free ends 20La and 20Ra of the lid and legs 20L and 21R. Locking tools 22A to 22D are attached to the front plate portions 20L2 and 20R2 and the back plate portions 20L3 and 20R3. The back plate portions 20L3 and 20R3 are provided with locking holes 20L3b and 20R3b for locking a rollover prevention rod 14 described later. The back plate portions 20L3 and 20R3 are further formed with escape portions 20L3a and 20R3a for preventing interference with the rollover prevention rod 14 accommodated when not in use (the escape portion 20L3a is not shown).
[0015]
3 is a cross-sectional view taken along line AA in FIG. The A′-A ′ line in FIG. 1 corresponds to the AA line in FIG. 2. The mouth rod portion 10A formed at the front portion of the main body 10 has a lid receiving portion 10A1 that is arcuate and fit to the front plate portions 20L2, 20R2 when viewed from the front (player side). (See FIG. 1). Further, a lid receiving portion 10B1 having the same shape as the lid receiving portion 10A1 and fitting to the back plate portions 20L3 and 20R3 is formed integrally with the back portion 10B on the back portion 10B of the main body 10 (FIG. 2). reference).
[0016]
The lid receiving portion 10A1 is provided with locking portions 12A and 12C that engage with the locking tools 22A and 22C (see FIG. 1), and the lid receiving portion 10B1 is similar to the locking tools 22A and 22C. Locking portions 12B and 12D that engage with the locking tools 22B and 22D are provided (the locking portions 12B and 12D are not shown). The back portion 10B is further formed with a holding groove portion 10B3 for fitting and holding the rollover prevention rod 14 when not in use. As indicated by phantom lines in FIG. 3, the holding groove 10B3 is provided at a position where it does not interfere with the locking tools 22B and 22D, and does not interfere with the locking portions 12B and 12D.
[0017]
As shown in FIG. 1, the upper front portions 10La and 10Ra of the left and right end portions 10L and 10R of the main body 10 are formed in an R shape. Further, as shown in FIG. 3, the upper rear portion 10B2 of the back portion 10B is similarly formed in an R shape. Furthermore, the upper front portion 10A3 of the mouth bar portion 10A is also formed in an R shape. When the upper front portions 10La and 10Ra and the upper rear portion 10B2 are closed so that the lid / leg portion 20L / R functions as a lid body, the lid / leg portion 20L / R is guided to appropriately regulate the position in the front-rear direction. In addition, the upper front portion 10A3 of the mouth stick portion 10A also plays an auxiliary role.
[0018]
FIG. 4 is a partially enlarged view of the vicinity of the hinge mechanism 13A as viewed from the front. The figure (a) shows the state where the lid and leg part 20R is suspended, in use, and the figure (b) is in the middle of the rotation between the lid and leg part 20R between the suspended state and the closed state. Indicates the state.
[0019]
The hinge mechanism portion 13A is configured such that plate portions 13A2 and 13A3 are rotatably attached around a rotation shaft portion 13A1. The plate portion 13A2 is fixed to the side plate portion 20R4 of the lid and leg portion 20R, and the plate portion 13A3 is fixed to the lower surface 10a of the main body 10. The other hinge mechanism portions 13B to 13D are similarly configured.
[0020]
Small legs 15 and 16 (see FIGS. 1 and 3 for the small legs 16) are fixed to the lower surface 10 a of the main body 10. The small leg portion 15 is formed by integrally forming a leg portion 15a and a spacer portion 15b thinner than the leg portion 15a. The small leg portion 15 is formed in a length extending between the hinge mechanism portions 13A and 13B, but is divided into two bodies, and is arranged separately at the rear of the hinge mechanism portion 13A and the front of the hinge mechanism portion 13B. May be.
[0021]
The spacer portion 15b is formed to be slightly thicker than the combined thickness of the plate portion 13A2 and the plate portion 13A3 of the hinge mechanism portion 13A. As shown in FIG. 4A, in the suspended state of the lid / leg portion 20R. Abutting on the side plate portion 20R4, the plate portion 13A2, 13A3 is prevented from being directly subjected to the load of the main body 10. The leg 15a is in contact with the installation surface G when the lid / leg 20R is closed or in the middle of assembly, and prevents the main body 10 from directly contacting the installation surface G as shown in FIG. The small leg portion 16 is similarly configured symmetrically with the small leg portion 15.
[0022]
In such a configuration, in order to assemble it so that it can be used when not in use as shown in FIG. 2, first, the locking tools 22A to 22D are removed from the locking portions 12A to 12D, and the lid and leg portions 20L / R are hinged. The mechanism parts 13A to 13D are pivoted in the door opening direction, and both free end parts 20La and 20Ra are opposed to the installation surface G as shown in FIG. At this time, the lid and leg portions 20L and 20R function as legs that support the main body 10 via the spacer portions 15b and 16b of the small leg portions 15 and 16 (reference numerals are not assigned to 16b). Then, by removing the rollover prevention rod 14 from the holding groove 10B3 of the back portion 10B and locking it to the locking holes 20L3b and 20R3b of the lid and legs 20L and 20R, the main body 10 is mainly reinforced in the left-right direction. To improve stability and prevent rollover. The user usually performs while sitting on a chair in this state.
[0023]
On the other hand, the opposite process is performed for storing. First, the rollover prevention rod 14 is removed from the locking holes 20L3b and 20R3b and is fitted and held in the holding groove 10B3. Then, the lid and legs 20L and 20R are rotated in the door closing direction. At that time, the left and right end portions 10L and 10R of the main body 10 formed in an R shape, the upper front portions 10La and 10Ra of the back portion 10B, the upper rear portion 10B2 of the back portion 10B, and the upper front portion 10A3 of the mouth rod portion 10A, The track of the lid / leg portion 20L / R is restricted, and smooth rotation in the closing direction is ensured. When the lid / leg portion 20L / R comes into contact with the lid receiving portions 10A1, 10B1, as shown in FIG. 2, the lid / leg portion is located above the keyboard portion 11 and at a substantially central portion in the longitudinal direction of the main body 10. Both free end portions 20La and 20Ra of the portions 20L and 20R are close to each other. At this time, the lid and legs 20L / R function as a lid that covers the main body 10. The lid / leg portion 20L / R does not interfere with the rollover prevention rod 14 by the relief portions 20L3a and 20R3a provided on the back plate portions 20L3 and 20R3. Finally, by locking the locking tools 22A to 22D to the locking portions 12A to 12D, a state suitable for storage and transportation is obtained.
[0024]
According to the present embodiment, the lid and leg portion 20L / R has a two-body configuration and has a length that is approximately half the total length of the main body 10 in the longitudinal direction. The height of the main body 10 is appropriately secured, and the height is just right for sitting on a chair and playing. In addition, since the lid / leg portion 20L / R is connected to the left and right end portions 10L, 10R of the main body 10, the main body 10 is stably held. Therefore, good performance operability can be ensured. Further, when the lid / leg portion 20L / R functions as a lid, the keyboard portion 11 is protected while being made compact and easy to store and transport. In particular, since the lid / leg portion 20L / R is configured as a dust removal type, the main body 10 is widely and appropriately covered, and the protection of the keyboard portion 11 is excellent. Further, since the lid / leg portion 20L / R serves as the lid and the leg, the configuration is simple by reducing the number of parts. Therefore, it is easy to assemble and store with a simple configuration, while ensuring good performance operability during use and compactness while protecting the performance operating unit during storage and transportation.
[0025]
In the present embodiment, the rollover prevention rod 14 is provided as a preferable configuration in order to ensure the stability of the main body 10 after assembly and to prevent the rollover. However, the present invention is not limited to this. When 20L / R is suspended, a lock mechanism for automatically locking the small legs 15, 16 and the lid / leg 20L / R or the main body 10 and the lid / leg 20L / R is provided. Also good. In this way, the rollover prevention rod 14 is not required, the assembly and storage can be performed only by rotating the lid and leg 20L / R, and no separate accessories are required. Disappear.
[0026]
In the present embodiment, the keyboard musical instrument is exemplified, but the present invention is not limited to this, and the present invention can be applied to various musical instruments played stationary, such as steel guitar, koto, xylophone, and iron koto. .
[0027]
In this embodiment, the lid / leg portion 20L / R is rotatably connected to the left and right end portions 10L, 10R of the main body 10 and is configured to open and close in the left-right direction. What is necessary is just the structure connected via the hinge mechanism part to the part vicinity. For example, the main body 10 may be configured to be pivotably connected to the mouth bar portion 10A and the back portion 10B so that the lid and leg portions open and close in the front-rear direction. In this case, the height of the main body 10 during use is low, but it is suitable for a musical instrument that sits and plays, for example, Taisho Koto.
[0028]
The lid / leg portion 20L / R is composed of two bodies, but is not limited to this, and any lid / leg portion connected to the vicinity of the outer edge of the main body 10 via a hinge mechanism portion may be used. Any number is acceptable. For example, each of the lid / leg portions 20L and 20R may be divided into two parts in the front and rear, and a total of four lid / leg portions may be provided.
[0029]
In addition, it is desirable to provide a handle in order to facilitate transportation of the musical instrument. For example, the handle may be attached to the lid receiving portion 10B1 of the back portion 10B at a position that does not interfere with the holding groove portion 10B3.
[0030]
The plate portion 13A2 of the hinge mechanism portion 13A may be formed integrally with the lid and leg portion 20R, or the plate portion 13A3 of the hinge mechanism portion 13A may be formed integrally with the main body 10. The same applies to the other hinge mechanism 13.
[0031]
【The invention's effect】
As described above, according to the present invention, it is possible to easily perform assembling and storing work with a simple configuration without worrying about losing parts, while ensuring good performance operability during use and storing and transporting. Sometimes it can be made compact while protecting the performance control section.
[Brief description of the drawings]
FIG. 1 is an external view of a state in use of a musical instrument according to an embodiment of the present invention as seen obliquely from the front.
FIG. 2 is an external view of the musical instrument when not in use as viewed obliquely from the rear.
FIG. 3 is a cross-sectional view taken along line AA in FIG.
FIG. 4 is a partially enlarged view of the vicinity of the hinge mechanism portion as seen from the front.
[Explanation of symbols]
10 Main body (musical instrument main body), 10A1, 10B1 Lid receiving part, 10L, 10R Left and right end parts (outer edge part, side edge part), 11 Keyboard part (performance operation part), 13A-13D Hinge mechanism part, 20L, 20R Lid Combined leg (rotating member), 20La, 20Ra free end, G installation surface

Claims (2)

An instrument body having a performance operation section;
Wherein each of the outer edge near the left and right sides of the instrument are rotatably connected via a hinge mechanism part, respectively, are configured to dustpan type have a length of approximately half of the entire length of the instrument body And two rotating members ,
A pair of small legs provided on the lower surface of the instrument body inside each hinge mechanism in the left-right direction;
The two bodies rotating member is rotated around the hinge mechanism, which functions as a leg for supporting the instrument body when the free end of each rotating member of the two bodies is opposed to the installation surface And the free ends of the two rotating members are configured to function as a lid that covers the instrument body when close to each other above the instrument body ,
When the two rotating members function as a lid that covers the musical instrument main body, the small legs support the musical instrument main body in direct contact with the installation surface,
When the two rotating members function as legs that support the instrument body, the small leg portions abut against the hinge mechanism side end portions of the corresponding rotating members, respectively, A musical instrument configured to be configured such that a load of the musical instrument main body is supported by the two rotating members via the small leg portion without using a mechanism portion . When the two rotating members function as legs supporting the instrument body, the two rotating members are connected to each other to have a rollover prevention rod for preventing the instrument body from rolling over, 2. The musical instrument main body is provided with a holding portion for fitting and holding the rollover prevention rod when the two rotating members function as a lid for covering the musical instrument main body. Musical instruments.

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