JP5560732B2 - Keyboard instrument and method for manufacturing keyboard instrument - Google Patents

Description

The present invention relates to a keyboard instrument such as an electronic piano or an electronic organ , and a method for manufacturing a keyboard instrument .

  2. Description of the Related Art Conventionally, as described in Patent Document 1, a keyboard instrument includes a musical instrument body having a keyboard portion and a stand member having a pair of leg plates, and a shelf plate is provided between the pair of leg plates in the stand member. There is known one that is configured to be mounted and to arrange the instrument body on the shelf board.

JP 07-295548 A

  In this type of keyboard instrument, in order to attach a shelf board between a pair of leg plates, a pair of fixing brackets bent in an L shape are fixed to respective inner surfaces of the pair of leg plates with screw members, respectively. A shelf board is arranged on the fixing bracket, and the musical instrument main body is mounted on the shelf board.

  In this case, when the fixing bracket is attached to the leg plate, the height plate is adjusted and attached, so that the pair of leg plates are provided with a plurality of screw holes along the vertical direction. A fixing member is attached by screwing a screw member into one of the screw holes. For this reason, the lower part in the both-sides surface part of a musical instrument main body is each provided with the notch part for inserting each upper part of a pair of leg plate in a stand member.

  However, in such a conventional keyboard instrument, since the pair of leg plates is fixed in a state where the pair of leg plates of the stand member is kept at a fixed interval, the shelf board mounted between the pair of leg plates When the instrument body is placed on the instrument body, with the upper portions of the pair of leg plates inserted into the notches provided on the lower portions of the both sides of the instrument body, the instrument body is spaced from the pair of leg plates. There is a problem that it is difficult to install without occurring.

  That is, if the distance between the pair of leg plates is the same as the length of the instrument body, the instrument body may be damaged when the instrument body is fitted between the pair of leg plates. Also, if the distance between the pair of leg plates is longer than the length of the instrument body, a gap will be created between the both sides of the instrument body and the pair of leg plates when the instrument body is fitted between the pair of leg plates. There is a problem that it is not preferable in appearance.

The problem to be solved by the present invention is that the instrument body can be easily and easily assembled between the pair of leg plates without damaging the instrument body or causing a gap between the pair of leg plates and the instrument body. A keyboard instrument and a method for manufacturing the keyboard instrument .

In order to solve the above problems, the present invention includes the following components.
The invention according to claim 1 is a method of manufacturing a keyboard instrument comprising a musical instrument body having a keyboard portion and a stand member having a pair of leg plates and a back plate , wherein the pair of leg plates are separated from each other. The pair of leg plates are temporarily fixed in a state of being spread, the instrument body is disposed between the pair of temporarily fixed leg plates, and the pair of leg plates is pressed against both side surfaces of the instrument body, and fixed members are used. fixing the pair of leg plates against the back plate and the instrument main body, a manufacturing method of the keyboard instrument.
The invention described in claim 2 is a keyboard instrument manufactured using the manufacturing method described in claim 1 .

According to a third aspect of the present invention, the fixing member has one end attached to the inner surface of the leg plate, the other end facing the inner surface of the back plate, and a screw hole provided in the other end. A fixing plate, and a screw member that is inserted from an outer surface of the back plate into a long hole provided in a direction in which the pair of leg plates contact and separate from the back plate and is screwed into the screw hole of the fixing plate. The keyboard instrument according to claim 2 , further comprising:

According to a fourth aspect of the present invention, the screw member is formed with a head abutting on the outer surface of the back plate and a length substantially the same as the thickness of the back plate, and the screw member is inserted into the long hole of the back plate. The keyboard instrument according to claim 3 , further comprising a neck portion that is movably inserted along a longitudinal direction, and a screw portion that is screwed into the screw hole of the fixing plate.

The invention according to claim 5 includes a deformable cylindrical member that is movably disposed along the longitudinal direction in the elongated hole of the back plate and into which the screw member is inserted. The length of the back plate is longer than the thickness of the back plate, and the screw member is inserted into the screw plate from the outer surface of the back plate and screwed into the screw hole of the fixing plate. The keyboard instrument according to claim 3 or 4 , wherein the keyboard instrument is deformed when tightened.

According to a sixth aspect of the present invention, the fixing member has one end attached to the inner surface of the leg plate, the other end protruding in the longitudinal direction along the lower surface of the instrument body, and a hook on the protruding tip. And the pair of leg plates are attached to one of the instrument main body and the back plate, and the hook portions of the lock fixing plate are detachably locked and rotated to operate the pair of leg plates. The keyboard instrument according to claim 2 , further comprising a clamp member for pressing and fixing the leg plate to a side surface of the instrument main body by pulling them toward each other.

According to a seventh aspect of the present invention, the fixing member includes a guide plate attached to the back plate along the longitudinal direction of the instrument body, and is slidably held by the guide plate and has one end portion on the leg plate. A slide plate that is attached and has a long hole formed in the sliding direction, and is screwed into a screw hole that is provided in the back plate through the long hole of the slide plate. The keyboard instrument according to claim 2 , further comprising a screw member for fixing to the keyboard .

According to an eighth aspect of the present invention, the fixing member has one end attached to the leg plate, the other end extending along the longitudinal direction of the instrument body, and a first meshing tooth at the extended other end. Is fixed to one of the musical instrument main body and the back plate, and a rotating body having a second meshing tooth meshing with the first meshing tooth of the stationary plate. The keyboard instrument according to claim 2 , further comprising a screw member.

According to a ninth aspect of the present invention, there is provided a musical instrument main body on which a keyboard portion is mounted, a stand member having a pair of leg plates and a back plate, and the pair of leg plates in the contact / separation direction of the pair of leg plates with respect to the back plate. A method of manufacturing a keyboard instrument comprising: a rotary connecting member that is rotatably connected toward the rear plate; and a fixing member for fixing the pair of leg plates to the back plate, wherein the pair of leg plates are moved by the rotary connecting member. The instrument body is temporarily fixed in a state of being spread apart in a direction away from each other, the instrument body is disposed between the pair of temporarily fixed leg plates, and the pair of leg plates is rotated around the rotation connecting member to It is a manufacturing method of a keyboard musical instrument that is pressed against both side surfaces and the pair of leg plates are fixed to the back plate by the fixing member.
The invention described in claim 10 is a keyboard instrument manufactured using the manufacturing method described in claim 9.

  According to the present invention, when the instrument body is attached to the stand member, the pair of leg plates are temporarily fixed in a state where the pair of leg plates of the stand member are spread apart by the fixing member in a direction away from each other. The musical instrument main body is disposed between the two leg plates and a pair of leg plates temporarily fixed to both sides of the musical instrument main body are pressed against each other. In this state, the pair of leg plates can be fixed to the musical instrument main body by the fixing member. Therefore, the instrument body can be easily and easily assembled between the pair of leg plates without damaging the instrument body or causing a gap between the pair of leg plates and the instrument body.

It is a front view of Embodiment 1 which applied this invention to the keyboard musical instrument. It is the perspective view which decomposed | disassembled and showed the principal part of the keyboard musical instrument of FIG. FIG. 3 is an exploded perspective view showing a state in which the instrument main body is disposed between a pair of temporarily fixed leg plates when the keyboard instrument of FIG. 2 is viewed from the back side. It is the expansion perspective view which showed the A section of the stand member shown by FIG. 4 shows a cross section of the fixing member taken along line AA of FIG. 4, (a) is an enlarged cross-sectional view showing a temporarily fixed state before the screw member is screwed into the screw hole of the fixing plate and tightened, (b) is It is the expanded sectional view which showed the state which fastened the screw member. In Embodiment 2 which applied this invention to the keyboard musical instrument, it is the disassembled perspective view which showed the state which arrange | positions a musical instrument main body between a pair of leg plates temporarily fixed when seeing the keyboard musical instrument from the back side. FIG. 7 is an enlarged perspective view showing a B part of the stand member shown in FIG. 6. FIG. 7 shows a cross section of the fixing member in FIG. 7 as viewed from the direction of arrows B-B. FIG. 7A is an enlarged cross-sectional view showing a temporarily fixed state before the screw member is screwed into the screw hole of the fixing plate and tightened. It is the expanded sectional view which showed the state which fastened the screw member. The principal part of a fixing member is shown in Embodiment 3 which applied this invention to the keyboard musical instrument, (a) is an expanded sectional view showing the temporarily fixed state before screwing the screw member into the screw hole of the fixing plate, and tightening, (B) is the expanded sectional view which showed the state which fastened the screw member, deformed the cylindrical member, and fixed the fixing plate to the back plate. FIG. 10 is an enlarged perspective view of the cylindrical member shown in FIG. 9. The modification which provided the some slit hole in the cylindrical member of Embodiment 3 is shown, (a) is the expansion perspective view of the cylindrical member, (b) is the expansion perspective view which showed the state which the cylindrical member deform | transformed. . In Embodiment 4 which applied this invention to the keyboard instrument, it is the expanded side view of the principal part which showed the state which temporarily fixed a pair of leg board with the clamp member of the fixing member. FIG. 13 is an enlarged side view of the main part showing a state in which the leg plate is pressed against the side surface of the musical instrument main body by the clamp member of FIG. FIG. 13 is an enlarged perspective view showing the clamp member in the state shown in FIG. 12. FIG. 14 is an enlarged perspective view showing the clamp member in the state shown in FIG. 13. In Embodiment 5 which applied this invention to the keyboard musical instrument, it is the front view which showed the state which attached the musical instrument main body to the stand member to which a pair of leg plate was temporarily fixed. FIG. 17 is an enlarged front view showing a C part of the stand member shown in FIG. 16. FIG. 17 is a further enlarged view of the fixing member of FIG. 17, (a) is an enlarged front view thereof, and (b) is an enlarged sectional view taken along the line CC of (a). The fixed member in Embodiment 6 which applied this invention to the keyboard musical instrument is shown, (a) is an expanded sectional view of the principal part which showed the state which temporarily fixed a pair of leg board with the fixed member, (b) is fixed member It is the expanded sectional view of the principal part which showed the state which pressed and fixed the leg board to the side surface of the musical instrument main body. It is the expansion perspective view which decomposed | disassembled and showed the fixing member shown by FIG. In Embodiment 7 which applied this invention to the keyboard musical instrument, it is the top view of the principal part which showed the state which attaches a musical instrument main body to the stand member to which a pair of leg plate was temporarily fixed. FIG. 22 is an enlarged perspective view showing a rotary connecting member provided on the stand member of FIG. 21. It is the front view which showed the state which attached the musical instrument main body to the stand member shown by FIG. 21, and was fixed with the fixing member. FIG. 12 is a main enlarged perspective view showing a modified example of a rotary connecting member in Embodiment 7 in an exploded manner.

(Embodiment 1)
A first embodiment in which the present invention is applied to a keyboard instrument will be described below with reference to FIGS.
As shown in FIGS. 1 and 2, the keyboard instrument includes a musical instrument body 2 on which a keyboard portion 1 is mounted, and a stand member 3 that supports the musical instrument body 2. The keyboard section 1 has a plurality of keys 4 made up of white keys and black keys. The plurality of keys 4 are accommodated in the musical instrument main body 2 in the order of the scales. The musical instrument main body 2 is configured to be exposed upward.

  As shown in FIGS. 1 to 3, the musical instrument body 2 includes a bottom plate 5, a lower front plate 6 provided at the front end portion of the bottom plate 5, a rear plate 7 provided at the rear end portion of the bottom plate 5, A pair of side plates 8 provided on both sides of the bottom plate 5, and a top plate 9 provided on top of the pair of side plates 8 and the rear plate 7 are provided. In this case, the top plate 9 is formed so that the length in the front-rear direction is approximately half the length of the bottom plate 5 in the front-rear direction. An upper front plate 10 is provided at a lower portion of the front end of the top plate 9, and the top plate 9 is formed in such a length that both side portions 9 a protrude laterally from the pair of side plates 8.

  Further, as shown in FIGS. 2 and 3, the pair of side plates 8 is formed such that the front portion 8a is thick and the rear portion 8b is thin. That is, in the pair of side plates 8, the rear portion 8 b corresponding to the top plate 9 is formed with a small thickness, and the front portion 8 a is formed with a large thickness. Therefore, both side portions 9a of the top plate 9 are formed to have substantially the same length as the outer surface of the front portion 8a of the pair of side plates 8 so as to protrude laterally from the outer surfaces of the rear portions 8b of the pair of side plates 8. It is configured.

  Thereby, as shown in FIGS. 2 and 3, the musical instrument main body 2 is formed in a substantially horizontally long box shape. Further, as shown in FIGS. 1 and 2, the musical instrument main body 2 is opened upward between the lower front plate 6 and the upper front plate 10, and a plurality of keys 4 of the keyboard unit 1 are opened from the opened portion. Is configured to be exposed to the outside.

  As shown in FIGS. 1 to 3, the stand member 3 is bridged between a pair of leg plates 11, a back plate 12 attached to a rear portion between the pair of leg plates 11, and a lower portion between the pair of leg plates 11. The pedal mounting member 13 is provided. In this case, the length of the pair of leg plates 11 is substantially the same as the length of the top plate 9 in the musical instrument main body 2 in the front-rear direction, and is arranged on each thin rear portion 8 b of the pair of side plates 8. It is configured to be.

  The pair of leg plates 11 are arranged so that the outer surfaces of the leg plates 11 are flush with the outer surfaces of the front portions 8 a of the pair of side plates 8 when arranged on the rear portions 8 b of the pair of side plates 8. The thickness of each leg plate 11 is formed. Further, the back plate 12 is formed such that the length in the left-right direction is substantially the same as the length in the horizontal direction of the instrument body 2, that is, the length between the rear portions 8 b of the pair of side plates 8. As shown in FIG. 1, a plurality of foot pedals 14 are attached to the pedal attachment member 13.

  Thereby, as shown in FIG. 1, the musical instrument main body 2 is inserted between the pair of leg plates 11 from above or from the front, and the stand member 3 is paired with the thin rear portions 8b of the pair of side plates 8 of the musical instrument main body 2. The leg plate 11 is disposed, and in this state, the both side portions 9a of the top plate 9 of the instrument body 2 are disposed on the pair of leg plates 11, so that the instrument body 2 is supported on the upper part between the pair of leg plates 11, The musical instrument main body 2 is configured to be fixed.

  By the way, as shown in FIGS. 3 to 5, the stand member 3 temporarily fixes the pair of leg plates 11 in a state where the pair of leg plates 11 is spread apart in a direction away from each other, and the pair of temporarily fixed leg plates 11. The musical instrument main body 2 is disposed between the pair of leg plates 11 and pressed against the outer surfaces of the rear portions 8b of the pair of side plates 8 in the musical instrument main body 2. In this state, the pair of leg plates 11 are pressed against the back plate 12 and the musical instrument main body 2. A plurality of fixing members 15 for fixing are provided.

  As shown in FIGS. 3 to 5, the fixing member 15 includes a fixing plate 16 bent in an L shape and a screw member 17 for fixing the fixing plate 16 to the back plate 12. The fixing plate 16 has one end 16a attached to the inner surface of the leg plate 11 adjacent to the back plate 12, the other end 16b opposed to the inner surface of the back plate 12, and a screw member 17 screwed to the other end 16b. The screw hole 18 to enter is provided. In this case, as shown in FIG. 4, the back plate 12 has a long hole 19 into which the screw member 17 is movably inserted along the longitudinal direction of the musical instrument main body 2, that is, the direction in which the pair of leg plates 11 come into contact with each other. The back plate 12 is provided so as to penetrate from the outer surface to the inner surface.

  Thereby, as shown in FIGS. 3 to 5, the fixing member 15 is inserted into the long hole 19 of the back plate 12 from the outside and screwed into the screw hole 18 of the fixing plate 16. The leg plates 11 are temporarily fixed so as to be movable away from each other. In addition, the fixing member 15 is configured such that the musical instrument main body 2 is disposed between the pair of temporarily fixed leg plates 11 from above or from the front, and the pair of leg plates 11 are arranged on the outer surfaces of the rear portions 8b of the pair of side plates 8 in the musical instrument main body 2. By pressing and tightening the screw member 17 in this state, the other end portion 16b of the fixing plate 16 is fixed to the back plate 12, and the pair of leg plates 11 are fixed to the back plate 12.

  That is, when attaching the musical instrument main body 2 to the stand member 3, first, one end portion 16a of the fixed plate 16 is attached to the inner surface of the leg plate 11 adjacent to the back plate 12, as shown in FIGS. The screw hole 18 provided in the other end portion 16 b of the fixing plate 16 is made to correspond to the long hole 19 provided in the back plate 12. In this state, the screw member 17 is inserted from the outside into the long hole 19 of the back plate 12 and screwed into the screw hole 18 of the fixing plate 16.

  At this time, as shown in FIG. 5A, the head portion 17a of the screw member 17 is not pressed against the outer surface of the back plate 12, and the other end portion 16b of the fixed plate 16 is not pressed against the inner surface of the back plate 12. Therefore, the pair of leg plates 11 is temporarily fixed to the back plate 12 when the screw member 17 is movable in the long hole 19 of the back plate 12 along the longitudinal direction thereof. For this reason, the pair of leg plates 11 can be moved away from each other, and the space between the upper portions of the pair of leg plates 11 can be widened longer than the longitudinal length of the instrument body 2 as shown in FIG.

  In this state, the instrument body 2 is disposed between the pair of temporarily fixed leg plates 11 from above or from the front, and both side portions 9 a of the top plate 9 of the instrument body 2 are disposed on the pair of leg plates 11. Thereby, the musical instrument main body 2 is supported by the pair of leg plates 11 of the stand member 3. Thereafter, the inner surface of each upper portion of the pair of leg plates 11 is pressed against the outer surface of each rear portion 8 b of the pair of side plates 8 in the instrument body 2 while moving the screw member 17 along the long hole 19 of the back plate 12. At this time, the outer surfaces of the pair of leg plates 11 and the outer surfaces of the front portions 8a of the pair of side plates 8 in the instrument body 2 are coplanar, and the inner surfaces of the upper portions of the pair of leg plates 11 and the pair of side plates in the instrument body 2 8 can be brought into close contact with each other so that no gap is formed between the outer surfaces of the rear portions 8b.

  When the screw member 17 is tightened in this state, as shown in FIG. 5B, the head portion 17 a of the screw member 17 is pressed against the outer surface of the back plate 12, and the other end portion 16 b of the fixing plate 16 is connected to the back plate 12. The other end 16 b of the fixing plate 16 is fixed to the back plate 12 by being pressed against the inner surface of the fixing plate 16. Accordingly, the pair of leg plates 11 is fixed to the back plate 12 without a gap between the inner surfaces of the upper portions of the pair of leg plates 11 and the outer surfaces of the rear portions 8b of the pair of side plates 8 of the instrument body 2. The musical instrument main body 2 is attached to the stand member 3.

  As described above, according to this keyboard instrument assembly structure, the stand member 3 for supporting and fixing the instrument body 2 on which the keyboard unit 1 is mounted has the pair of leg plates 11 and the back plate 12. The pair of leg plates 11 are temporarily fixed in a state where the pair of leg plates 11 are spread apart from each other, and the instrument body 2 is disposed between the temporarily fixed pair of leg plates 11 so that the pair of leg plates 11 is connected to the instrument body 2. Since a fixing member 15 is provided for pressing against the outer surface of each side plate 8 and fixing the pair of leg plates 11 to the back plate 12 in this state, the instrument main body 2 is damaged by the fixing member 15 or a pair of The instrument body 2 can be easily and easily assembled between the pair of leg plates 11 without causing a gap between the leg plate 11 and the instrument body 2.

  That is, when the musical instrument main body 2 is attached to the stand member 3, the pair of leg plates 11 can be temporarily fixed in a state where the pair of leg plates 11 of the stand member 3 are pushed apart by the fixing member 15. . The instrument main body 2 is disposed between the pair of temporarily fixed leg plates 11, and the pair of leg plates 11 is pressed and brought into close contact with the outer surface of each side plate 8 of the instrument main body 2. In this state, the pair of leg plates 11 is fixed to the fixing member 15. Can be fixed to the instrument body 2. For this reason, the musical instrument main body 2 can be easily and easily assembled between the pair of leg plates 11 without damaging the musical instrument main body 2 or creating a gap between the pair of leg plates 11 and the musical instrument main body 2.

  In this case, the fixing member 15 has one end portion 16a attached to the inner surface of the leg plate 11, the other end portion 16b opposed to the inner surface of the back plate 12, and the other end portion 16b provided with a screw hole 18. 16 and a screw member that is inserted from the outer surface of the back plate 12 into a long hole 19 provided along the direction in which the pair of leg plates 11 contact and separate from the back plate 12 and is screwed into the screw hole 18 of the fixing plate 16. 17, the instrument body 2 can be easily assembled between the pair of leg plates 11 with a simple structure.

  That is, when the musical instrument main body 2 is attached to the stand member 3 by the fixing member 15, the screw member 17 is screwed into the screw hole 18 of the fixing plate 16 through the long hole 19 of the back plate 12. Can be temporarily fixed so as to be movable away from each other. The musical instrument main body 2 is disposed between the pair of temporarily fixed leg plates 11, the pair of leg plates 11 are pressed against the outer surfaces of the side plates 8 of the musical instrument main body 2, and the screw member 17 is tightened in this state. The other end portion 16 b of the fixing plate 16 can be fixed to the back plate 12, and the pair of leg plates 11 can be fixed to the back plate 12.

  For this reason, the musical instrument main body 2 is arranged between the pair of temporarily fixed leg plates 11, the pair of leg plates 11 are pressed against the outer surfaces of the side plates 8 of the musical instrument main body 2, and the screw member 17 is tightened in this state. Thus, the musical instrument main body 2 can be securely attached to the stand member 3, so that the musical instrument main body 2 is not damaged or a gap is not formed between the pair of leg plates 11 and the musical instrument main body 2. The musical instrument main body 2 can be assembled between the pair of leg plates 11.

(Embodiment 2)
Next, a second embodiment in which the present invention is applied to a keyboard instrument will be described with reference to FIGS. In addition, the same code | symbol is attached | subjected and demonstrated to the same part as Embodiment 1 shown by FIGS.
As shown in FIGS. 6 and 7, the keyboard instrument has a configuration in which the screw member 20 is different from that of the first embodiment, and the configuration other than this is substantially the same as that of the first embodiment.

  That is, as shown in FIGS. 7 and 8, the screw member 20 is formed to have a head 21 that contacts the outer surface of the back plate 12 and a length that is substantially the same as or slightly shorter than the thickness of the back plate 12. The neck portion 22 is inserted into the long hole 19 of the back plate 12 so as to be movable along the longitudinal direction thereof, and the screw portion 23 is screwed into the screw hole 18 of the fixing plate 16. As a result, as shown in FIG. 8A, the screw member 20 is inserted into the long hole 19 of the back plate 12 from the outside, and the screw portion 23 is screwed into the screw hole 18 of the fixing plate 16 to be tightened firmly. The pair of leg plates 11 are temporarily fixed so as to be movable away from each other in a state where they are not.

  In addition, as shown in FIG. 6, the screw member 20 has the instrument body 2 disposed between a pair of temporarily fixed leg plates 11 and presses the pair of leg plates 11 against the outer surfaces of the side plates 8 of the instrument body 2. 8B, when the screw member 20 is strongly tightened as shown in FIG. 8B, the screw portion 23 is screwed into the screw hole 18 of the fixing plate 16 while the other end portion of the fixing plate 16 is engaged. 16 b is drawn to the inner surface of the back plate 12 and press-contacted, and the head 21 is pressed to the outer surface of the back plate 12 to fix the other end 16 b of the fixed plate 16 to the back plate 12. Yes.

  When the musical instrument main body 2 is attached to the stand member 3 having such a screw member 20, as shown in FIGS. 6 and 7, first, the leg plate 11 adjacent to the back plate 12 is connected to the one end 16 a of the fixing plate 1. The screw hole 18 provided in the other end portion 16 b of the fixing plate 16 is made to correspond to the long hole 19 provided in the back plate 12. In this state, as shown in FIG. 8A, the neck portion 22 of the screw member 20 is inserted into the long hole 19 of the back plate 12 from the outside, and the screw portion 23 of the screw member 20 is inserted into the screw hole of the fixing plate 16. 18 is screwed.

  At this time, as shown in FIG. 8A, the head portion 21 of the screw member 20 is not pressed against the outer surface of the back plate 12, and the other end portion 16b of the fixing plate 16 is not pressed against the inner surface of the back plate 12. Therefore, the pair of leg plates 11 is temporarily fixed to the back plate 12 when the neck portion 22 of the screw member 20 is movable in the long hole 19 of the back plate 12 along the longitudinal direction thereof. . For this reason, the pair of leg plates 11 can be moved away from each other, and the space between the upper portions of the pair of leg plates 11 can be widened to be wider than the longitudinal length of the instrument body 2.

  In this state, the instrument body 2 is disposed between the pair of temporarily fixed leg plates 11 from above or from the front, and both side portions 9 a of the top plate 9 of the instrument body 2 are disposed on the pair of leg plates 11. Thereby, the musical instrument main body 2 is supported by the pair of leg plates 11 of the stand member 3. Thereafter, while moving the neck portion 22 of the screw member 20 along the long hole 19 of the back plate 12, the inner surfaces of the upper portions of the pair of leg plates 11 are pushed against the outer surfaces of the rear portions 8 b of the pair of side plates 8 of the instrument body 2. Touch to make it stick.

  At this time, as in the first embodiment, the outer surfaces of the pair of leg plates 11 and the outer surfaces of the front portions 8a of the pair of side plates 8 in the instrument body 2 are flush with each other, and the inner surfaces of the upper portions of the pair of leg plates 11 and the musical instrument. The main body 2 can be brought into close contact with the outer surfaces of the rear portions 8b of the pair of side plates 8 so that no gap is generated.

  When the screw member 20 is strongly tightened in this state, the head 21 of the screw member 20 is pressed against the outer surface of the back plate 12 and the other end 16b of the fixing plate 16 is connected to the back as shown in FIG. The other end 16 b of the fixed plate 16 is fixed to the back plate 12 by being pressed against the inner surface of the plate 12. Thereby, there is no gap between the inner surfaces of the upper portions of the pair of leg plates 11 and the outer surfaces of the rear portions 8b of the pair of side plates 8 of the instrument body 2, and the pair of leg plates 11 is fixed to the back plate 12. The musical instrument main body 2 is attached to the stand member 3.

  Thus, according to this keyboard instrument assembly structure, in addition to the same effects as in the first embodiment, the head member 21 in which the screw member 20 abuts on the outer surface of the back plate 12 of the stand member 3, and the back plate 12. A neck portion 22 that is formed to have a length substantially the same as the thickness of the back plate 12 and is movably inserted into the long hole 19 of the back plate 12 along its longitudinal direction; and a screw portion 23 that is screwed into the screw hole 18 of the fixing plate 16. The instrument body 2 can be easily assembled between the pair of leg plates 11 with a simple structure.

  That is, when the musical instrument main body 2 is attached to the stand member 3 by the screw member 20, the screw member 20 is screwed into the screw hole 18 of the fixing plate 16 through the long hole 19 of the back plate 12, thereby the pair of leg plates 11. Can be temporarily fixed so as to be movable away from each other. The musical instrument main body 2 is disposed between the pair of temporarily fixed leg plates 11 and is smoothly moved by the neck portion 22 of the screw member 20 when the pair of leg plates 11 are pressed against the outer surfaces of the side plates 8 of the musical instrument main body 2. be able to. Thus, the other end portion 16b of the fixing plate 16 is fixed to the back plate 12 by strongly tightening the screw member 20 in a state in which the pair of leg plates 11 are pressed and brought into close contact with the outer surfaces of the side plates 8 of the musical instrument body 2. Thus, the pair of leg plates 11 can be fixed to the back plate 12.

  For this reason, by arranging the musical instrument main body 2 between the pair of temporarily fixed leg plates 11, pressing the pair of leg plates 11 against the outer surfaces of the side plates 8 of the musical instrument main body 2, and tightening the screw member 20 in this state, Since the musical instrument main body 2 can be securely attached to the stand member 3, as in the first embodiment, the musical instrument main body 2 is not damaged and a gap is not generated between the pair of leg plates 11 and the musical instrument main body 2. In addition, the instrument body 2 can be easily assembled between the pair of leg plates 11.

(Embodiment 3)
Next, a third embodiment in which the present invention is applied to a keyboard instrument will be described with reference to FIGS. In this case, the same portions as those in the second embodiment shown in FIGS.
As shown in FIGS. 9A and 9B, this keyboard instrument has a configuration including a cylindrical member 25 into which the neck portion 22 of the screw member 20 is inserted. Except for this, the configuration is almost the same as that of the second embodiment. It has become.

  That is, the cylindrical member 25 is made of a deformable metal or synthetic resin as shown in FIG. 10, and is inserted into the long hole 19 of the back plate 12 as shown in FIGS. 9 (a) and 9 (b). The neck portion 22 of the screw member 20 is configured to be inserted so as to be movable along the longitudinal direction. In this case, the length of the cylindrical member 25 is slightly longer than the thickness of the back plate 12.

  As a result, the cylindrical member 25 is disposed in the long hole 19 provided in the back plate 12 as shown in FIG. 9A, and in this state, the neck portion 22 of the screw member 20 is connected to the back of the cylindrical member 25. When inserted from the outer surface of the plate 12 and screwed into the screw hole 18 of the fixed plate 16, the cylindrical member 25 protrudes from the inner surface of the back plate 12, and the pair of leg plates 11 can be moved in a direction away from each other. It is configured to be fixed.

  The cylindrical member 25 is arranged in a state where the instrument main body 2 is disposed between a pair of temporarily fixed leg plates 11 and the pair of leg plates 11 is pressed against and adhered to the outer surfaces of the side plates 8 of the instrument main body 2. When the screw member 20 is strongly tightened, the screw portion 23 is screwed into the screw hole 18 of the fixing plate 16, and the other end portion 16 b of the fixing plate 16 is attracted to the inner surface of the back plate 12 and is pressed against the cylindrical member 25. 9B, the cylindrical member 25 is deformed and the head 21 is pressed against the outer surface of the back plate 12, and the other end 16b of the fixed plate 16 is fixed to the back plate 12. It is configured as follows.

  Thus, according to this keyboard instrument assembly structure, in addition to the same effects as in the second embodiment, the deformable cylindrical member 25 into which the neck portion 22 of the screw member 20 is inserted is provided. Since it is a structure which is formed slightly longer than the thickness of the plate 12 and is disposed so as to be movable in the long hole 19 of the back plate 12 along its longitudinal direction, the screw member 20 is tightened with a simple structure to form a cylindrical member. Since the fixing plate 16 can be reliably fixed to the back plate 12 by deforming 25, the musical instrument main body 2 can be assembled between the pair of leg plates 11 easily and easily.

  That is, when the musical instrument main body 2 is attached to the stand member 3 by the screw member 20 and the cylindrical member 25, the neck portion 22 of the screw member 20 is inserted into the cylindrical member 25 from the outer surface of the back plate 12. When the screw member 23 is screwed into the screw hole 18 of the fixing plate 16 and the screw member 20 is not strongly tightened, the pair of leg plates 11 can be temporarily fixed so as to be movable away from each other.

  Further, in a state where the instrument main body 2 is disposed between the pair of temporarily fixed leg plates 11, the cylindrical member 25 is moved along with the screw member 20 along the long hole 19 of the back plate 12, and the pair of leg plates 11 is moved to the instrument. When pressed against the outer surface of each side plate 8 of the main body 2, it can be smoothly moved by the cylindrical member 25 inserted into the neck portion 22 of the screw member 20.

  Thus, the cylindrical member 25 is deformed by strongly tightening the screw member 20 in a state in which the pair of leg plates 11 are pressed and brought into close contact with the outer surfaces of the side plates 8 of the instrument body 2, and the other end portion of the fixed plate 16 is deformed. 16b can be securely fixed to the back plate 12. Therefore, as in the second embodiment, the instrument body 2 is not damaged or a gap is not formed between the pair of leg plates 11 and the instrument body 2, and the instrument body 2 is easily and easily disposed between the pair of leg plates 11. Can be assembled.

  In addition, in Embodiment 3 mentioned above, although the case where the cylindrical member 25 was formed in the simple cylindrical shape was described, not only this but as shown, for example in FIG. 11 (a) and FIG.11 (b), The cylindrical member 25 may have a configuration in which a plurality of elongated slit holes 25a are formed along the axial direction thereof. With this configuration, when the screw member 20 is strongly tightened, the cylindrical member 25 can be easily deformed by the plurality of slit holes 25a, whereby the other end portion 16b of the fixing plate 16 is attached to the back plate 12. It can be fixed easily and reliably.

  In the above-described third embodiment and the modification thereof, the case where the neck portion 22 of the screw member 20 is inserted into the cylindrical member 25 has been described. However, the neck portion 22 of the screw member 20 is not necessarily inserted into the cylindrical member 25. The present invention can also be applied to the case where the screw member 17 described in the first embodiment is inserted into the cylindrical member 25.

(Embodiment 4)
Next, a fourth embodiment in which the present invention is applied to a keyboard instrument will be described with reference to FIGS. In this case, the same portions as those in the first embodiment shown in FIGS.
As shown in FIGS. 12 and 13, the keyboard instrument has a configuration in which the fixing member 30 is different from that of the first embodiment, and the configuration other than this is substantially the same as that of the first embodiment.

  As shown in FIGS. 12 to 15, the fixing member 30 has one end 31 a attached to the inner surface of the leg plate 11 and the other end 31 b along the lower surface of the instrument body 2 in the longitudinal direction, that is, the pair of leg plates 11. Projecting in the direction of approaching each other, and the locking and fixing plate 31 provided with a hook portion 31c at the protruding tip, and the hook portion of the locking and fixing plate 31 are attached to the lower surface of the bottom plate 5 of the musical instrument body 2 In order to press and fix the leg plate 11 to the outer surface of the side plate 8 of the musical instrument main body 2 by pulling the hook portion 31c toward the direction in which the pair of leg plates 11 approach each other by rotating operation. The clamp member 32 is provided.

  As shown in FIGS. 12 to 15, the clamp member 32 includes a fixed shaft 33 provided on the lower surface of the bottom plate 5 in the musical instrument main body 2, an operation lever 34 rotatably attached to the fixed shaft 33, There is provided a locking ring portion 35 that is rotatably attached to substantially the middle portion of the operation lever 34 and is detachably locked to the hook portion 31 c of the locking fixing plate 31.

  Accordingly, as shown in FIGS. 12 to 15, the clamp member 32 engages the engagement ring portion 35 with the hook portion 31 c of the engagement fixing plate 31 and rotates the operation lever 34 clockwise in FIG. 12. By operating, the operation lever 34 pulls the locking ring portion 35 in the direction in which the pair of leg plates 11 approach each other, and pulls the hook portion 31 c in the direction in which the leg plate 11 approaches the side plate 8 of the instrument body 2. It is configured as follows.

  In this case, as shown in FIGS. 12 and 13, the fixed shaft 33 is positioned in the vicinity of the front end side of the hook portion 31 c of the locking fixed plate 31 on the lower surface of the bottom plate 5 of the musical instrument body 2 (near the left side in FIG. 12). It is provided in the place. The operation lever 34 is formed in an elongated strip shape along the longitudinal direction of the musical instrument main body 2, one end of which is rotatably attached to the fixed shaft 33 in the vertical direction, and the other end is a hook of the locking fixed plate 31. It is comprised so that it may arrange | position toward the direction away from the part 31c.

  As shown in FIGS. 14 and 15, the locking ring portion 35 is formed by bending a round bar into a substantially U-shape, and one end thereof is rotatably attached to a substantially middle portion of the operation lever 34. The end portion protrudes from the fixed shaft 33 toward the hook portion 31c of the locking and fixing plate 31, and the protruding other end portion is configured to be detachably locked to the hook portion 31c.

  Accordingly, the clamp member 32 is configured to temporarily fix the pair of leg plates 11 movably in a direction away from each other by locking the locking ring portion 35 to the hook portion 31c of the locking fixing plate 31. Yes. Further, the clamp member 32 has the musical instrument main body 2 disposed between a pair of temporarily fixed leg plates 11, and in this state, the operation lever 34 is moved around the fixed shaft 33 provided on the bottom plate 5 of the musical instrument main body 2 as shown in FIG. , The locking ring portion 35 is pulled in a direction in which the pair of leg plates 11 approach each other.

  Further, as shown in FIGS. 13 and 15, when the clamp member 32 pulls the locking ring portion 35 in the direction in which the pair of leg plates 11 approach each other, the locking ring portion 35 causes the hook portion 31 c to be paired. The leg plates 11 are drawn toward each other, and the pair of leg plates 11 are pressed against and adhered to the outer surfaces of the side plates 8 of the instrument body 2. In this state, the pair of leg plates 11 are fixed to the instrument body 2. It is configured as follows.

  According to such an assembly structure of a keyboard instrument, in addition to the same effects as in the first embodiment, the fixing member 30 has one end 31 a attached to the inner surface of the leg plate 11 and the other end 31 b of the instrument body 2. A pair of leg plates 11 project along the lower surface in the direction of approaching each other, and are attached to a locking plate 31 provided with a hook portion 31c at the protruding tip, and a bottom plate 5 of the instrument body 2, and are locked. Since the hook portion 31c of the fixing plate 31 is pulled by a rotating operation and the leg plate 11 is pressed against the side plate 8 of the musical instrument main body 2 to fix it, the clamping member 32 is simply rotated. The leg plate 11 can be pressed and fixed to the musical instrument main body 2, whereby the musical instrument main body 2 can be easily and easily assembled between the pair of leg plates 11.

  In this case, the clamp member 32 includes a fixed shaft 33 provided on the lower surface of the bottom plate 5 in the musical instrument main body 2, an operation lever 34 rotatably attached to the fixed shaft 33, and a substantially intermediate portion of the operation lever 34. A locking ring portion 35 that is rotatably attached and is detachably locked to the hook portion 31 c of the locking and fixing plate 31. The locking ring portion 35 is hooked to the locking and fixing plate 31. The hook 31c can be pulled by pulling the locking ring portion 34 only by engaging the portion 31c and rotating the operation lever 34, whereby the leg plate 11 can be pressed against the instrument body 2 and fixed. Therefore, the musical instrument main body 2 can be assembled between the pair of leg plates 11 easily and easily.

  That is, when the musical instrument main body 2 is attached to the stand member 3 by the fixing member 30, the locking ring portion 35 of the clamp member 32 is locked to the hook portion 31 c of the locking fixing plate 31, thereby the pair of leg plates 11. Can be temporarily fixed so as to be movable away from each other. When the musical instrument main body 2 is disposed between the pair of temporarily fixed leg plates 11, and in this state, the operating lever 34 is rotated around the fixed shaft 33 attached to the musical instrument main body 2 to pull the locking ring portion 35. The locking ring portion 35 can draw the hook portion 31c and press the pair of leg plates 11 against the outer surface of each side plate 8 of the musical instrument main body 2 so as to be in close contact with each other.

  For this reason, in a state where the locking ring portion 35 is locked to the hook portion 31 c of the locking fixing plate 31, the pair of leg plates 11 can be attached to the outer surface of each side plate 8 of the instrument body 2 simply by rotating the operation lever 34. Since the pair of leg plates 11 can be fixed to the musical instrument main body 2 without being damaged, the musical instrument main body 2 is not damaged or a gap is not generated between the pair of leg plates 11 and the musical instrument main body 2. In addition, the instrument body 2 can be easily assembled between the pair of leg plates 11.

  In the above-described fourth embodiment, the case where the clamp member 32 is attached to the lower surface of the bottom plate 5 of the musical instrument main body 2 is described. However, the clamp member 32 is not necessarily attached to the bottom plate 5 of the musical instrument main body 2; The structure which attached 32 to the inner surface of the backplate 12 may be sufficient. Even if comprised in this way, there exists an effect similar to Embodiment 4. FIG.

(Embodiment 5)
Next, a fifth embodiment in which the present invention is applied to a keyboard instrument will be described with reference to FIGS. Also in this case, the same portions as those in the first embodiment shown in FIGS.
As shown in FIGS. 16 and 17, this keyboard instrument has a configuration in which the fixing member 40 is different from that of the first embodiment, and the configuration other than this is substantially the same as that of the first embodiment.

  17 and 18, the fixing member 40 is slidably held on the guide plate 41 attached to the inner surface of the back plate 12 along the longitudinal direction of the musical instrument body 2 and the guide plate 41. One end portion 42 a is attached to the inner surface of the leg plate 11 and a long hole 43 is formed in the sliding direction, and a screw hole 44 provided in the back plate 12 through the long hole 43 of the slide plate 42. And a screw member 45 to be screwed.

  In this case, as shown in FIGS. 18A and 18B, the guide plate 41 is formed in an elongated strip shape along the longitudinal direction of the musical instrument main body 2, and the slide plate 42 is formed on the upper and lower sides thereof. A guide groove 41 a that slidably engages the upper and lower sides is provided along the longitudinal direction of the guide plate 41.

  As shown in FIGS. 17 and 18, the slide plate 42 is formed in a strip shape longer than the guide plate 41, and one end portion 42 a thereof is bent into an L shape and attached to the inner surface of the leg plate 11. ing. At the other end portion 42 b of the slide plate 42, a stopper portion 42 c for preventing the slide plate 42 from being pulled out from the guide plate 41 is provided.

  As shown in FIGS. 18A and 18B, the screw member 45 is configured to be screwed into the screw hole 44 provided in the back plate 12 through the long hole 43 of the slide plate 42. In this case, even if the screw member 45 is screwed into the screw hole 44 provided in the back plate 12 through the long hole 43 of the slide plate 42, the head 45a does not press the slide plate 42 against the guide plate 41. The slide plate 42 is configured to slide with respect to the guide plate 41.

  The screw member 45 is configured to fix the slide plate 42 together with the guide plate 41 to the back plate 12 when the screw member 45 is tightened and the head 45a presses the slide plate 42 against the guide plate 41. As a result, the fixing member 40 screwes the screw member 45 into the screw hole 44 of the back plate 12 through the long hole 43 of the slide plate 42 so that the slide plate 42 is slidable. It is configured to be temporarily fixed while being movable in directions away from each other.

  In addition, as shown in FIG. 16, the fixing member 40 has the musical instrument main body 2 disposed between a pair of temporarily fixed leg plates 11 and presses the pair of leg plates 11 against the outer surfaces of the side plates 8 of the musical instrument main body 2. The slide plate 42 is pressed against the guide plate 41 to be fixed to the back plate 12 and the pair of leg plates 11 are fixed to the back plate 12 by tightening the screw member 45 in this state.

  According to such an assembly structure of a keyboard instrument, there are the same effects as in the first embodiment, and a guide plate 41 in which the fixing member 40 is attached to the inner surface of the back plate 12 along the longitudinal direction of the instrument body 2. A slide plate 42 that is slidably held by the guide plate 41, has one end 42 a attached to the inner surface of the leg plate 11, and has a long hole 43 formed in the sliding direction, and a long hole in the slide plate 42. Since the screw member 45 screwed into the screw hole 44 provided in the back plate 12 through 43 is provided, the instrument body 2 can be easily assembled between the pair of leg plates 11 with a simple structure.

  That is, when the musical instrument main body 2 is attached to the stand member 3 by the fixing member 40, the screw member 45 of the fixing member 40 is screwed into the screw hole 44 of the back plate 12 through the long hole 43 of the slide plate 42. By making 42 a slidable state, the pair of leg plates 11 can be temporarily fixed so as to be movable away from each other. The musical instrument main body 2 is disposed between the pair of temporarily fixed leg plates 11, the pair of leg plates 11 are pressed against the outer surfaces of the side plates 8 of the musical instrument main body 2, and the screw member 45 is tightened in this state. The slide plate 42 can be pressed against the guide plate 41 and fixed to the back plate 12, and the pair of leg plates 11 can be fixed to the back plate 12.

  For this reason, by simply tightening the screw member 45 and pressing the slide plate 42 against the guide plate 41, the slide plate 42 is fixed to the back plate 12 together with the guide plate 41, and the pair of leg plates 11 is fixed to the back plate 12. Therefore, as in the first embodiment, the instrument body 2 can be easily and easily attached to the pair of leg plates 11 without damaging the instrument body 2 or creating a gap between the pair of leg plates 11 and the instrument body 2. Can be assembled in between.

(Embodiment 6)
Next, with reference to FIGS. 19 and 20, a sixth embodiment in which the present invention is applied to a keyboard instrument will be described. Also in this case, the same portions as those in the first embodiment shown in FIGS.
As shown in FIGS. 19 and 20, the keyboard instrument has a configuration in which the fixing member 50 is different from that of the first embodiment, and the configuration other than this is almost the same as that of the first embodiment.

  As shown in FIGS. 19 and 20, the fixing member 50 has one end 51a attached to the leg plate 11, the other end 51b extending along the longitudinal direction of the musical instrument main body 2, and the extended other end 51b. A fixing plate 51 provided with rack teeth 52 on one side, a rotating body 53 having pinion teeth 54 meshing with the rack teeth 52 of the fixing plate 51, and the rotating body 53 are fixed to the lower surface of the bottom plate 5 of the instrument body 2. And a screw member 55.

  In this case, as shown in FIGS. 19 (a) and 19 (b), the fixed plate 51 is formed in an elongated strip shape along the longitudinal direction of the musical instrument main body 2, and its one end 51a is L-shaped. It is bent and attached to the inner surface of the leg plate 11. Rack teeth 52 are linearly and continuously provided on one side along the longitudinal direction of the fixed plate 51. The rotating body 53 is formed in a disk shape, and an insertion hole 53a into which the screw member 55 is inserted is provided at the center thereof so as to penetrate vertically. Pinion teeth 54 that mesh with the rack teeth 52 of the fixed plate 51 are provided on the outer periphery of the rotating body 53.

  As shown in FIGS. 19 and 20, the screw member 55 is configured to be screwed into a screw hole 56 provided in the bottom plate 5 of the musical instrument main body 2 through the insertion hole 53 a of the rotating body 53. In this case, even if the screw member 55 is screwed into the screw hole 56 of the back plate 12 through the insertion hole 53a of the rotating body 53, as shown in FIG. When not pressed against the bottom plate 5, the pinion teeth 54 of the rotating body 53 mesh with the rack teeth 52 of the fixed plate 51 so that the rotating body 53 rotates.

  Further, when the screw member 55 is tightened and the head portion 55a presses the rotating body 53 against the bottom plate 5 of the musical instrument main body 2, as shown in FIG. 19 (b), the rotating body 53 is rotated. The body 53 is configured to be fixed.

  As a result, when the fixing member 50 loosens the screw member 55 and makes the rotating body 53 rotatable, the pinion teeth 54 of the rotating body 53 become the rack teeth 52 of the fixing plate 51 as shown in FIG. The pair of leg plates 11 are temporarily fixed so as to be movable away from each other by moving the fixing plate 51 while rotating while meshing with each other.

  Further, the fixing member 50 is arranged such that the musical instrument main body 2 is disposed between the pair of temporarily fixed leg plates 11 and the rotating body 53 is pressed when the pair of leg plates 12 are pressed against the outer surfaces of the side plates 8 of the musical instrument main body 2. The fixed plate 51 moves while the pinion teeth 54 mesh with the rack teeth 52 of the fixed plate 51 and rotate, and the pair of leg plates 12 are pressed against the outer surfaces of the side plates 8 of the musical instrument main body 2 to be in close contact with each other. Yes.

  Further, in the fixing member 50, the pinion teeth 54 of the rotating body 53 are fixed by strongly tightening the screw members 55 in a state where the pair of leg plates 11 are pressed against the outer surfaces of the side plates 8 of the instrument body 2. The rotor 53 is pressed and fixed to the musical instrument main body 2 while being engaged with the rack teeth 52 of the plate 51, and the pair of leg plates 11 are fixed to the musical instrument main body 2.

  According to such an assembly structure of a keyboard instrument, in addition to the same effects as those of the first embodiment, the fixing member 50 has one end 51a attached to the leg plate 11 and the other end 51b in the longitudinal direction of the instrument body 2. And a rotating plate 53 having pinion teeth 54 meshing with the rack teeth 52 of the fixing plate 51, and a fixed plate 51 in which rack teeth 52 are linearly provided on one side of the extended other end 51b. Since the rotating body 53 is provided with the screw member 55 for fixing the rotating body 53 to the lower surface of the bottom plate 5 of the musical instrument main body 2, the musical instrument main body 2 can be easily and easily assembled between the pair of leg plates 11.

  That is, when the musical instrument main body 2 is attached to the stand member 3 by the fixing member 50, the pinion teeth 54 of the rotating body 53 are fixed by loosening the screw member 55 of the fixing member 50 so that the rotating body 53 can rotate. The fixed plate 51 moves while meshing with the rack teeth 52 of the plate 51, whereby the pair of leg plates 11 can be temporarily fixed so as to be movable away from each other.

  When the instrument body 2 is disposed between the pair of temporarily fixed leg plates 11 and the pair of leg plates 12 is pressed against the outer surface of each side plate 8 of the instrument body 2, the pinion teeth 54 of the rotating body 53 are Since the fixing plate 51 can be moved while meshing with the rack teeth 52 of the fixing plate 51 and rotating, the screws are pressed in a state in which the pair of leg plates 12 are pressed against the outer surfaces of the side plates 8 of the instrument body 2 to be in close contact with each other. By strongly tightening the member 55, the rotating body 53 is fixed to the musical instrument main body 2 with the pinion teeth 54 of the rotating body 53 engaged with the rack teeth 52 of the fixed plate 51, and the pair of leg plates 11 is attached to the musical instrument main body 2. Can be fixed.

  For this reason, when the pair of leg plates 12 are pressed against both side surfaces of the musical instrument main body 2, the rotating body 53 rotates to move the fixed plate 51, and in this state, the screw member 55 is strongly tightened to tighten the rotating body 53 to the back plate. 12, the pair of leg plates 11 can be fixed to the instrument body 2, so that the instrument body 2 is damaged or a gap is formed between the pair of leg plates 11 and the instrument body 2 as in the first embodiment. The musical instrument main body 2 can be assembled between the pair of leg plates 11 easily and easily.

  In the sixth embodiment described above, the screw hole 56 is provided in the bottom plate 5 of the musical instrument main body 2, and the screw member 55 is screwed into the screw hole 56 to press and fix the rotating body 53 to the bottom plate 5 of the musical instrument main body 2. Although the case of the configuration has been described, the present invention is not limited thereto, and the screw hole 56 is provided in the back plate 12, and the screw member 55 is screwed into the screw hole 56 and the rotating body 53 is pressed against the inner surface of the back plate 12 and fixed. You may comprise so that it may do. Even if comprised in this way, there exists an effect similar to Embodiment 6. FIG.

(Embodiment 7)
Next, a seventh embodiment in which the present invention is applied to a keyboard instrument will be described with reference to FIGS. Also in this case, the same portions as those in the first embodiment shown in FIGS.
As shown in FIGS. 21 to 23, the keyboard instrument includes a rotation connecting member 60 that rotatably connects the pair of leg plates 11 and the back plate 12, and a fixing member that fixes the pair of leg plates 11 and the instrument body 2. 61, and the configuration other than this is substantially the same as that of the first embodiment.

  That is, as shown in FIG. 22, the rotary connecting member 60 is a hinge in which a pair of fixed plates 60 a and 60 b are rotatably connected by a hinge shaft 6 c, and a plurality of members at corners where the leg plate 11 and the back plate 12 intersect. It is provided at the place. That is, the rotary connecting member 60 has one fixed plate 60a attached to the inner surface of the leg plate 11 and the other fixed plate 60b in a state where the hinge shaft 60c is located at the corner where the leg plate 11 and the back plate 12 intersect. Is configured to be attached to the inner surface of the back plate 12.

  As a result, as shown in FIG. 21, the rotary connecting member 60 has the pair of leg plates 11 and the back plate 12 so that the pair of leg plates 11 rotate with respect to the back plate 12 around the hinge shaft 60c. Are linked. As shown in FIGS. 21 and 23, the fixing member 61 is a screw member for fixing the pair of leg plates 11 and the instrument main body 2, and the instrument main body through the insertion holes 62 provided in the pair of leg plates 11. It is configured to be screwed into a screw hole 63 provided in the second side plate 8.

  According to such an assembly structure of a keyboard instrument, there are the same functions and effects as in the first embodiment, a rotary connecting member 60 that rotatably connects the pair of leg plates 11 and the back plate 12, and the pair of leg plates 11. Since the configuration includes the fixing member 61 that fixes the musical instrument main body 2, the musical instrument main body 2 is not damaged or a gap is not generated between the pair of leg plates 11 and the musical instrument main body 2. The musical instrument main body 2 can be assembled between the pair of leg plates 11.

  That is, when the musical instrument main body 2 is attached to the stand member 3, the pair of leg plates 11 can be temporarily fixed in a state where the pair of leg plates 11 are spread apart in a direction away from each other by the rotary connecting member 60. The musical instrument main body 2 is disposed between the pair of leg plates 11 around the rotary connecting member 60 and pressed against the outer surfaces of the side plates 8 of the musical instrument main body 2. The leg plate 11 can be fixed to the instrument body 2. For this reason, the musical instrument main body 2 can be easily and easily assembled between the pair of leg plates 11 without damaging the musical instrument main body 2 or creating a gap between the pair of leg plates 11 and the musical instrument main body 2.

  In the seventh embodiment described above, the case where the rotary connecting member 60 is a hinge in which a pair of fixed plates 60a and 60b are rotatably connected by the hinge shaft 6c has been described. As described above, the back plate 12 is provided with a hinge arm portion 65 curved in an arc shape, and the tip of the hinge arm portion 65 is inserted into a locking hole 66 provided in the leg plate 11, whereby the leg plate 11, the back plate 12, It is also possible to configure a rotary connecting portion 64 that connects the two in a rotatable manner. In this case, it is desirable that a distal end portion of the hinge arm portion 65 is provided with a retaining portion 65 a for preventing the hinge arm portion 65 from coming out of the locking hole 66 of the leg plate 11.

  Even if comprised in this way, when attaching the musical instrument main body 2 to the stand member 3, the pair of leg plates 11 can be temporarily fixed in a state where the pair of leg plates 11 are spread apart by the rotary connecting member 64. The musical instrument main body 2 is disposed between the pair of temporarily fixed leg plates 11, and the pair of leg plates 11 are rotated around the hinge arm portion 65 of the rotation connecting member 64 to be pushed to the outer surface of each side plate 8 of the musical instrument main body 2. The pair of leg plates 11 can be fixed to the musical instrument main body 2 by the fixing member 61 in this state. For this reason, as in the seventh embodiment, the instrument body 2 is not damaged or a gap is not generated between the pair of leg plates 11 and the instrument body 2, and the instrument body 2 is easily and easily disposed between the pair of leg plates 11. Can be assembled.

DESCRIPTION OF SYMBOLS 1 Keyboard part 2 Musical instrument main body 3 Stand member 4 Bottom plate 8 Side plate 11 Leg plate 12 Back plate 15, 30, 40, 50 Fixing member 16, 51 Fixing plate 17, 20, 45, 55 Screw member 18, 44 Screw hole 19, 43 Long Hole 21 Head portion 22 Neck portion 23 Screw portion 25 Cylindrical member 31 Locking and fixing plate 31c Hook portion 32 Clamping member 33 Fixing shaft 34 Operation lever 35 Locking ring portion 41 Guide plate 42 Slide plate 52 Rack teeth 53 Rotating body 54 Pinion teeth 60 , 64 Rotating connecting member 60a, 60b Fixed plate 60c Hinge shaft 61 Fixed member 65 Hinge arm portion 66 Locking hole

Claims (10)

A method of manufacturing a keyboard instrument comprising a musical instrument body equipped with a keyboard portion, and a stand member having a pair of leg plates and a back plate,
Temporarily fixing the pair of leg plates in a state in which the pair of leg plates are spread apart in a direction away from each other,
Placing the instrument body between the pair of temporarily fixed leg plates and pressing the pair of leg plates against both side surfaces of the instrument body;
A method for manufacturing a keyboard instrument, wherein the pair of leg plates is fixed to the back plate and the instrument body by a fixing member.   A keyboard instrument manufactured using the manufacturing method according to claim 1.   The fixing member has one end attached to the inner surface of the leg plate and the other end opposed to the inner surface of the back plate, and the other end portion provided with a screw hole; A screw member that is inserted from an outer surface of the back plate into a long hole provided along a direction in which the pair of leg plates come into contact with and away from each other, and is screwed into the screw hole of the fixing plate. The keyboard instrument according to claim 2.   The screw member is formed to have a head abutting on the outer surface of the back plate and a length substantially the same as the thickness of the back plate, and is movably inserted in the long hole of the back plate along its longitudinal direction. The keyboard instrument according to claim 3, further comprising: a neck portion to be threaded and a screw portion to be screwed into the screw hole of the fixing plate. It is provided with a deformable cylindrical member that is movably disposed along the longitudinal direction in the elongated hole of the back plate and into which the screw member is inserted,
The cylindrical member has a length longer than the thickness of the back plate, and the screw member is inserted into the screw plate from the outer surface of the back plate and screwed into the screw hole of the fixed plate. The keyboard instrument according to claim 3, wherein the keyboard member is deformed when the screw member is tightened.   The fixing member has one end attached to the inner surface of the leg plate, the other end protruding in the longitudinal direction along the lower surface of the instrument body, and a locking fixing plate provided with a hook portion at the protruding tip. And attached to one of the musical instrument main body and the back plate, the hook portion of the locking and fixing plate is detachably locked, and the pair of leg plates are pulled toward each other by a rotating operation. The keyboard instrument according to claim 2, further comprising: a clamp member for pressing and fixing the leg plate to a side surface of the instrument body.   The fixing member has a guide plate attached to the back plate along the longitudinal direction of the musical instrument body, and is slidably held by the guide plate and has one end attached to the leg plate, and along the slide direction. And a screw member for fixing the slide plate to the guide by screwing into a screw hole provided in the back plate through the long hole of the slide plate. The keyboard instrument according to claim 2, wherein the keyboard instrument is provided.   The fixing member has one end attached to the leg plate, the other end extending along the longitudinal direction of the musical instrument body, and a first engagement tooth linearly provided at the extended other end. A rotating body having a second meshing tooth meshing with the first meshing tooth of the fixing plate, and a screw member for fixing the rotating body to one of the instrument body and the back plate. The keyboard instrument according to claim 2, wherein: A musical instrument main body having a keyboard portion, a stand member having a pair of leg plates and a back plate, and a rotary connection for connecting the pair of leg plates to the back plate so as to be rotatable in the contact / separation direction of the pair of leg plates. A method of manufacturing a keyboard instrument comprising a member and a fixing member for fixing the pair of leg plates to the back plate,
Temporarily fixed in a state where the pair of leg plates are pushed apart in a direction away from each other by the rotating connecting member,
The instrument body is disposed between the pair of temporarily fixed leg plates, and the pair of leg plates is rotated around the rotation connecting member and pressed against both side surfaces of the instrument body,
A method for manufacturing a keyboard instrument, wherein the pair of leg plates is fixed to the back plate by the fixing member.   A keyboard instrument manufactured using the manufacturing method according to claim 9.

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