JPH0723385U - Stand unit for keyboard instruments - Google Patents

Abstract

(57) [Abstract] [Purpose] Easy positioning when mounting the instrument body,
(EN) Provided is a stand unit for a keyboard musical instrument, which can stably support the musical instrument main body and can be configured compactly when disassembled from the musical instrument main body. [Structure] A stand unit 1 of a keyboard instrument 1 that is provided at each end portion of a musical instrument body 2 in the left-right direction and supports each end portion.
3, the base member 15 and two support members 16 and 17 that are detachably erected on the base member 15 and are spaced apart from each other in the front-back direction of the base member 15.
One support member 16, 17 is provided with a connecting fitting 18 capable of connecting the support members 16 and 17 to each other at least in the normal position and the contracted position.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to a stand unit for a keyboard musical instrument, which comprises a pair of left and right keyboard musical instrument stands.

[0002]

[Prior art]

FIG. 5 shows a conventional stand unit of this type. The stand units 101, 101 (only one is shown) constitute a pair of left and right stands 102, and a musical instrument body (not shown) of a keyboard instrument is placed on and supported by the stand 102. The stand unit 101 is composed of a gable base 103, and a shelf support column 104 and a side plate 105 which are vertically fixed to the front and rear of the gable base 103 by screws. One side of the L-shaped coupling fitting 106 is screwed to the upper rear surface of the shelf support pole 104, and the other side thereof extends slightly rearward with a space from the shelf support pole 104.

The pair of stand units 101, 101 configured as described above are reinforced by a back plate (not shown) connected between the upper portions of the side plates 105, 105. Then, for example, arms (not shown) of the instrument body are placed on the side plates 105 of each stand unit 101 and screwed, and shelf plates (not shown) of the instrument body are placed on the shelf support posts 104. Then, the musical instrument body is supported by being screwed through the connecting metal fitting 106.

[0005]

[Problems to be solved by the device]

 In this conventional stand unit 101, the shelf support column 104 and the side plate 105 are attached to the gable base 103 separately from each other. On the other hand, the side plates 105, 105 are reinforced by a back plate connected between the side plates 105, 105, whereas the shelf support column 104 is not reinforced in this way. For this reason, in this stand unit 101, the shelf support posts 104 are apt to wobble in the lateral direction, and as a result, it is difficult to position the instrument main body when it is attached, and it takes time and effort to attach the instrument main body, There is a problem that we cannot stably support. In addition, the stand unit 101 has a large space between the shelf support column 104 and the side plate 105, so that there is a problem that the stand unit 101 becomes bulky when the instrument body is detached and packaged and transported.

The present invention has been made in order to solve such a problem, and it is easy to position the musical instrument main body at the time of mounting, and the musical instrument main body can be stably supported and the musical instrument main body can be stably supported. It is an object of the present invention to provide a keyboard unit stand unit that can be compactly configured when disassembled.

[0007]

[Means for Solving the Problems]

 In order to achieve this object, the present invention is a stand unit of a keyboard instrument provided at each end of the instrument body in the left-right direction and supporting each end. One provided with two support members, which are spaced apart from each other and are erected on the base member in a detachable manner, and a connecting fitting capable of connecting the two support members to each other at least in a regular position and a reduced position. Is.

In this case, the base member is screwed to the two support members through the bolt holes formed in the base member and the screw holes formed in the lower surfaces of the two support members, respectively, and It is preferable that at least one front surface or back surface of the two support members be formed with screw holes corresponding to the bolt holes.

Further, a predetermined portion of the connecting fitting is fixed to one of the two supporting members, and the other portion of the connecting fitting is arranged so as to extend in the front-rear direction along the other surface of the two supporting members. At the same time, it is preferable that it is connected to the other support member by a screw threaded through an elongated hole formed in another portion.

In this case, it is preferable that the screw is provided at a position for positioning both support members at their regular positions when the edge of the elongated hole on the side of the other support member comes into contact with the screw. Good Further, it is preferable that a guide groove for guiding the movement of the other part of the coupling fitting is formed in the other support member.

Further, the connecting fitting is made of an L-type connecting fitting, and one side of the L-type connecting fitting is fixed to a surface of one supporting member facing the other supporting member, and the other side of the connecting fitting is It is preferably arranged so as to extend in the front-rear direction along the upper surface of the other support member.

[0012]

[Action]

 According to the stand unit of claim 1, in its use state, the two support members are connected to each other at regular positions by the connecting metal fittings, and the base member is attached so that the two support members stand upright from the base member. It can be assembled. As a result, the stand unit constitutes one frame in which the base member, both supporting members, and the connecting fittings are fixed to each other, so that both supporting members are hardly shaken in the lateral direction. Therefore, the position of the musical instrument body can be easily determined when the musical instrument body is attached to the stand, and the musical instrument body can be stably supported even after the attachment.

On the other hand, when the keyboard instrument is transported, the stand unit is detached from the instrument main body, the base member is detached from both support members, and both support members are connected to each other in a reduced position by a connecting metal fitting. To do. As a result, the stand unit has a compact structure with the space between both supporting parts reduced.

Further, in the stand unit according to the second aspect of the present invention, both supporting members are reduced in size compactly, and the removed base member is formed on at least one front surface or back surface of both supporting members with a screw corresponding to the bolt hole. It can be screwed through the hole, which makes the entire stand unit very compact.

Further, in the stand unit according to the third aspect of the present invention, the screws are loosened so that the support members are pulled away from each other or pressed against each other, thereby guiding the other portion of the coupling fitting by the long holes and the screws. Both support members can be moved smoothly relative to each other's normal position or contracted position, and both support members can be fixed in the normal position or contracted position by tightening screws at those positions. Can

Further, in the stand unit according to the fourth aspect, when both support members are moved from the contracted position to the regular position, they are relatively moved until the edge of the elongated hole on the side of the other support member comes into contact with the screw. As a result, the two support members are automatically positioned at their regular positions, which facilitates subsequent attachment of the base member. Further, in the stand unit of claim 5, since the guide groove for guiding the movement of the other part of the coupling fitting is formed in the other support member, the movement of both support members is further guided by the guide groove. In addition, since the guide groove acts to prevent the other portions of the connecting fitting from moving in the lateral direction, the wobbling of both support members after the stand unit is assembled is further reduced.

Further, in the stand unit according to a sixth aspect of the present invention, the connecting fitting is made of an L-type connecting fitting, and one side of the L-type connecting fitting is fixed to a surface of one supporting member facing the other supporting member. Since the other side of the connecting fitting is arranged so as to extend in the front-rear direction along the upper surface of the other supporting member, the connecting fitting can have a simple structure while maintaining the above-described action.

[0018]

【Example】

 An embodiment of the present invention will be described below with reference to the drawings.

FIG. 1 shows the appearance of an electronic piano to which the stand unit of the present invention is applied. As shown in the figure, the electronic piano 1 is composed of a piano body 2 and a stand 3 that supports the piano body 2. The piano body 2 includes a lowermost shelf board 4, a pair of left and right arms 5 and 5 provided so as to sandwich the shelf board 4, and a pair of left and right parent boards 6 and 6 fixed to the upper surfaces of the arms 5. The exterior is constituted by the top board 7 provided between the parent boards 6 and 6 and the like. On the shelf board 4, a mouth stick portion 8, a keyboard 9 and a control panel 10 are provided in order from the front (hereinafter, the front side when viewed from the performer is referred to as “front” and the other side is referred to as “rear”), and the control panel 10 is provided. Various control switches 11 such as a tone color selection switch are arranged in the. A music stand 12 is provided at the front of the top surface of the top plate 7.

The stand 3 is composed of a pair of left and right stand units 13 and 13 that support the piano body 2 and a back plate 14 that is disposed between the stand units 13 and 13 to reinforce the stand units 13. As shown in FIGS. 2 to 4, each stand unit 13 includes a gable base (base member) 15, shelf support posts (supporting members) 16 standing upright in front of the gable base 15, and a gable base. It is composed of a side plate (supporting member) 17 provided upright on the rear part of the fifteen, and an L-shaped connecting fitting 18 for connecting the shelf support column 16 and the side plate 17 to each other.

As shown in FIG. 2, screw holes 16 a, 17 a, 17 a are formed on the lower surfaces of the shelf support column 16 and the side plate 17, while the gable base 15 has three bolt holes corresponding thereto. 15a, 15a, 15a are formed, and the shelf post 16 and the side plate 17 are attached to the base 15 of the wife by means of screws (not shown) which are passed through the bolt holes 15a and the screw holes 16a, 17a from below. It is screwed. Further, on the back surface of the side plate 17, three screw holes 17b, 17b, 17b for attaching the gland base 15 when the stand unit 13 is disassembled are formed corresponding to the bolt holes 15a.

The connecting fitting 18 has a long side 18b that is extremely long as compared with the L-shaped short side 18a, and the short side 18a is screwed to the upper rear surface of the shelf post 16. In this state, the long side portion 18b extends rearward at a height flush with the shelf support column 16. On the other hand, a guide groove 19 is formed on the upper surface of the side plate 17 along the length direction thereof. The guide groove 19 is open on the front side and the inner side thereof, and has substantially the same length and depth as the long side portion 18b of the connecting tool 18, and the long side portion 18b of the connecting fitting 18 is a surface. It is adapted to be received at one height and slide on the guide groove 19. A long hole 20 is formed in almost the entire length of the long side portion 18b, and a set screw 21 passing through the long hole 20 and a screw hole 17c formed at the front upper portion of the guide groove 19 are formed. The long side portion 18b of the connecting fitting 18 is fixed to the side plate 17 at an arbitrary position.

The back plate 14 is passed between the upper portions of the rear surfaces of the both side plates 17, 17 and is screwed thereto. A pedal base 23 having three pedals 22, 22, 22 attached thereto is arranged between the lower ends of the stand units 13, 13 and is screwed between the lower portions of the side plates 17, 17 (see FIG. 1). ).

Next, with reference to FIGS. 2 to 4, the assembling procedure and the disassembling procedure of the stand 3 will be described. In order to assemble the stand 3 from the disassembled state shown in FIG. 2, first, the short side portion 18a of the connecting fitting 18 is screwed to the upper rear surface of the shelf support column 16, and then the long side portion 18b is fixed to the guide groove 19 of the side plate 17. Then, the set screw 21 is passed through the long hole 20 of the long side portion 18b and the screw hole 17c of the guide groove 19 and lightly tightened to temporarily fix the connecting metal fitting 18 to the side plate 17. Next, the shelf support column 16 is slid so as to be separated from the side plate 17, and is moved until the rear edge of the long hole 20 comes into contact with the set screw 21. The movement of the shelf post 16 is smoothly performed by sliding the long side portion 18b of the connecting fitting 18 on the guide groove 19 while being guided by the guide groove 19 and the set screw 21. Further, the moving position of the shelf support column 16 at this time corresponds to the regular position of the shelf support column 16 and the side plate 17, that is, until the rear edge of the slot 20 abuts on the set screw 21. By simply pulling out the shelf support post 16 from the side plate 17, the shelf support post 16 and the side plate 17 can be automatically positioned at their regular positions. Then, by tightening the set screw 21, the shelf support column 16 is fixed to the side plate 17 at the regular position.

Next, the shelf support column 16 and the side plate 17 are placed on the gable base 15, and after the screw holes 16 a, 17 a and the bolt holes 15 a are aligned with each other, they are screwed to assemble the stand unit 13. Is completed (see FIG. 3). In this case, since the shelf support column 16 and the side plate 17 are already positioned at the regular positions of each other, the two can be easily aligned with each other and the gable base 15 can be easily attached.

Next, after the back plate 14 and the pedal base 23 are screwed between the left and right stand units 13 and 13 assembled as described above, the piano body 2 is placed on the stand 3 and the shelf of the piano body 2 is attached. By attaching the plate 4 to the shelf support posts 16 and the arms 5 to the side plates 17, the work of attaching the piano body 2 to the stand 3 is completed.

When the electronic piano 1 is transported, the piano body 2 and the stand 3 are disassembled, and the back plate 14 and the pedal base 23 are removed from the stand 3. Then, after removing the gable base 15 from the stand unit 13, the set screw 21 is loosened, and the shelf support pillar 16 is pressed against the side plate 17 side, so that the short side portion 18a of the connecting metal fitting 18 abuts against the front surface of the side plate 17. To the reduced position. The movement of the shelf support pillar 16 at this time is also smoothly performed by sliding the long side portion 18b of the connecting fitting 18 on the guide groove 19 while being guided by the guide groove 19 and the set screw 21 of the side plate 17. . At this position, the set screw 21 is tightened to fix the shelf support column 16 to the side plate 17. Further, the gable base 15 is screwed to the back surface of the side plate 17 through the screw hole 17b. In this contracted position, the stand unit 13 is assembled into a compact shape with no empty space between the gable base 15, the shelf support column 16 and the side plate 17, as shown in FIG.

As described above, according to the stand 1 of this embodiment, before the piano body 2 is placed, the stand unit 13 connects the gable base 15, the shelf support posts 16, the side plates 17, and the connecting fittings 18 to each other. Since it is configured as one frame that is connected, the shelf support posts 16 are less likely to wobble in the lateral direction. Therefore, the piano body 2 can be easily positioned when it is attached, and the piano body 2 can be stably supported. You can In this case, the set screw 21 is provided at a position for positioning the shelf support column 16 and the side plate 17 at their regular positions when the edge of the elongated hole 20 of the connecting fitting 18 contacts the set screw 21. Therefore, it is possible to automatically position the shelf support column 16 and the side plate 17 at their regular positions by simply pulling out the shelf support column 16 from the side plate 17 until the slot 20 contacts the set screw 21.

Further, by loosening the set screw 21 and pressing the shelf support post 16 toward the side plate 17, it is possible to move the shelf support post 16 to the contracted position where the shelf support post 16 is almost in contact with the side plate 17. Therefore, the electronic piano In the case of transportation of 1, etc., the stand unit 13 can have a compact structure with no empty space between the shelf support column 16 and the side plate 17. In this case, since the wife base 15 can be screwed to the back surface of the side plate 17 through the screw holes 17b, the entire stand unit can be made more compact. Further, when the shelf support pillar 16 and the side plate 17 are relatively moved, the long side portion 18b of the coupling fitting 18 slides on the guide groove 19 while being guided by the guide groove 19 and the set screw 21, so that the relative movement is performed. Can be done smoothly. In addition, the guide groove 19 acts to prevent the long side portion 18b of the connecting fitting 18 from moving in the lateral direction, thereby reducing the wobbling of the shelf support column 16 after the stand unit 13 is assembled. It also fulfills.

The present invention is not limited to the above-described embodiments, but can be implemented in various modes. For example, in the embodiment, the L-shaped connecting fitting 18 is fixed to the shelf support column 16 and slid on the side plate 17, but this may be reversed. Further, instead of the L-shaped connecting fitting, connecting fittings of other shapes may be used. For example, the connecting fitting is composed of a pair of linear fittings, and its front end portion is a rear portion of both side surfaces of the shelf post 16. It may be fixed so as to be sandwiched between the two, and the rear part may slide on the side surface of the side plate 17. Furthermore, it is needless to say that the present invention is not limited to the electronic piano of the embodiment and may be applied to other keyboard musical instruments.

[0031]

[Effect of device]

 As described in detail above, the keyboard musical instrument stand unit of the present invention is easy to position when mounting the instrument body, can stably support the instrument body, and is compact when disassembled from the instrument body. It has the effect of being able to do so.

[Brief description of drawings]

FIG. 1 is an overall perspective view of an electronic piano incorporating a stand unit of the present invention.

FIG. 2 is an exploded perspective view of the stand unit of FIG.

FIG. 3 is a perspective view showing the stand unit of FIG. 2 in a use state.

FIG. 4 is a perspective view showing the stand unit of FIG. 2 in a contracted state.

FIG. 5 is a perspective view showing a conventional stand unit.

[Explanation of symbols]

 1 electronic piano 2 piano body 3 stand 13 stand unit 15 gable base 16 shelf post 17 side plate 17c screw hole 18 connecting metal fitting 18a short side part of connecting metal fitting 18b long side part of connecting metal fitting 19 guide groove 20 long hole 21 set screw

Claims (6)

[Scope of utility model registration request] 1. A stand unit for a keyboard instrument, which is provided at each end portion of a musical instrument body in the left-right direction and supports each end portion, wherein the base member and a front-back direction of the base member are spaced from each other. , Two base members detachably erected on the base member, and a connecting fitting capable of connecting the two support members to each other at least in a normal position and a contracted position. Stand unit for keyboard instruments. 2. The base member is screwed to the two support members via bolt holes formed in the base member and screw holes formed in the lower surfaces of the two support members, respectively. At the same time, at least one front surface or back surface of the two support members is formed with a screw hole corresponding to the bolt hole. 3. A predetermined portion of the connecting fitting is fixed to one of the two supporting members, and the other portion of the connecting fitting extends in the front-rear direction along the other surface of the two supporting members. 3. The stand unit for a keyboard instrument according to claim 1, wherein the stand unit is arranged on the other side and is connected to the other support member by a screw threaded through a long hole formed in the other part. . 4. The screw is provided at a position for positioning the two support members at the regular positions of each other when an edge of the elongated hole on the side of the other support member comes into contact with the screw. The stand unit for a keyboard instrument according to claim 3, wherein the stand unit is a keyboard instrument. 5. The keyboard musical instrument stand according to claim 3, wherein the other support member is formed with a guide groove for guiding the movement of the other portion of the connecting fitting. unit. 6. The connecting metal fitting comprises an L-shaped connecting metal fitting, and one side of the L-shaped connecting metal fitting is fixed to a surface of the one supporting member facing the other supporting member, and the connecting metal fitting. The stand unit for a keyboard instrument according to any one of claims 3 to 5, wherein the other side is arranged so as to extend in the front-rear direction along the upper surface of the other support member.