JP2010171227A - Housing structure of acoustic adjusting device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To effectively use an excess space on the upper surface of a housing while maintaining good appearance design of a mixer device. <P>SOLUTION: The housing structure includes: an inclined planar display panel 31 formed on an upper surface part 20 of the housing 10 of the mixer device 1, the surface of which is inclined relative to a bottom surface part 40; a planar article-placing surface 70 parallel to the bottom surface part 40, which is formed adjacent to the rear end of the display panel 31 on the upper surface part 20; and an upper cover 50 attachable/detachable while covering the article mounting surface 70. In a state where the upper cover 50 is attached to the placing surface 70, an upper plate 55 of the upper cover 50 having an inclination different from the placing surface 70 constitutes a part of the upper surface part 20 of the housing 10 while covering the placing surface 70 with the cover member 50, and in a state where the upper cover 50 is removed from the placing surface 70, the exposed article mount surface 70 constitutes a part of the upper surface part 20. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

  The present invention relates to a housing structure of an acoustic control device suitable for use in a mixer device or the like.

Conventionally, for example, as shown in Patent Document 1, there is a housing structure of an acoustic adjustment device such as a mixer device. The housing structure of this type of acoustic control device has a top surface (panel surface) on which a display and a number of operators are arranged, a bottom surface placed on the installation location, and a side surface between the top surface and the bottom surface. A box-shaped housing surrounded by a side surface covering the container.
Design Registration No. 1308006

  By the way, in the housing structure of the mixer apparatus shown in Patent Document 1, the panel surface is slanted from the front side to the rear side of the housing from the viewpoint of improving the visibility and design of the panel surface on which the operation element and the display are arranged. It is formed in an inclined flat shape that rises. This inclined plane is maintained as it is even at the rear end of the panel surface without the operation element or the display, and the rear end (uppermost end) of the panel surface is a protrusion in which the upper end of the inclined plane protrudes upward at an acute angle. It has a shape.

  As described above, in the case structure of a conventional sound control device such as a mixer device, the panel surface is inclined and the inclination is maintained even at the end of the panel surface. A space where a small accessory such as a speaker (monitor speaker), a keyboard for inputting characters, or a mouse could be stably placed could not be secured. In this regard, the convenience of the mixer device can be improved by making it possible to place a small accessory by effectively utilizing the empty space on the panel surface.

  On the other hand, some acoustic adjustment devices such as a large mixer device include a plurality of units such as a central unit and left and right units, and are configured to be installed adjacent to each other. In this case, it is important to have a uniform appearance design between adjacent units. For this reason, even when a space for mounting an accessory device such as a small speaker or a keyboard is secured on the housing, consideration is required so that the unity appearance design between the units is not impaired.

  The present invention has been made in view of the above points, and its purpose is to maintain a good external design such as a unity feeling among a plurality of units while maintaining an excess space on the upper surface of the housing in accordance with the use conditions of the acoustic control device. An object of the present invention is to provide a housing structure that enables effective use of the housing.

  The present invention for solving the above problems includes an upper surface portion (20), a bottom surface portion (40), and a side surface portion (45) that covers a side surface between the upper surface portion (20) and the bottom surface portion (40). In the housing structure of the acoustic control device (1) comprising the enclosed box-shaped housing (10), it is formed on the upper surface portion (20), and an operator (34) or a display (33) is arranged. And is arranged adjacent to the panel surface (31) of the inclined flat surface whose surface is inclined with respect to the bottom surface portion (40) and the panel surface (31) of the upper surface portion (20). 40) and a cover member (50) that can be attached to and detached from the article placement surface (70). ) Attached to the article placement surface (70), and an inclination angle different from that of the article placement surface (70) The upper surface (55) of the cover member (50) forming a part becomes a part of the upper surface portion (20) of the housing (10), while the cover member (50) is removed from the article placement surface (70). The exposed article placement surface (70) is configured to be a part of the upper surface portion (20) of the housing (10).

  According to the housing structure of the acoustic control device according to the present invention, if the cover member is removed from the flat article mounting surface parallel to the bottom surface of the casing, the article mounting surface is provided with a monitor speaker or character input device. Small accessory devices such as a keyboard and mouse can be placed. On the other hand, if the cover member is attached to the article mounting surface, a desired inclined surface can be formed on the upper surface of the housing by the upper surface of the cover member having an inclination angle different from that of the article mounting surface. Therefore, it is possible to effectively utilize the excess space on the upper surface of the housing according to the usage conditions while maintaining a good external design such as unity with other units in the acoustic adjustment device. Can be improved.

  In the case structure of the acoustic adjustment device, the article placement surface (70) is behind the panel surface (31) of the upper surface portion (20) with respect to the operator side of the acoustic adjustment device (1). It is good to arrange on the side. According to this, even if a small accessory device such as a monitor speaker, a keyboard, or a mouse is placed on the article placement surface, it does not affect the visibility of the panel surface or display by the operator. Further, it is possible to prevent the article placed on the article placement surface from interfering with the operation of the operation elements arranged on the panel surface.

  Moreover, the acoustic adjustment device (1) according to the present invention includes another unit (200) arranged in parallel with the one unit (100) having the above-described housing structure, and the other unit (100) and the other unit. When the unit (200) is installed adjacent to the same plane, the upper surface (55) of the cover member (50) included in one unit (100) is continuous with the upper surface (222) of the other unit (200). It is good to arrange | position on the one plane to do. According to this, in an acoustic adjustment device in which another unit is arranged adjacent to one unit to which the housing structure of the present invention is applied, the cover member is attached to the article placement surface of the one unit, It becomes possible to give a sense of unity to the external shape of this unit and other units. Thereby, the external appearance design of the acoustic control device can be improved. On the other hand, if the cover member is removed, a small accessory device or the like can be placed on the article placement surface, so the convenience of the acoustic adjustment device can be improved.

  Further, in the case structure of the acoustic adjustment device described above, the article placement surface (70) is provided with a terminal connection portion (71) for connecting a terminal of the device, and the cover member (50) is provided with the terminal connection portion (71). An opening (56) exposing the terminal connecting portion (71) is formed, and the terminal connecting portion (56) is opened from the opening (56) in a state where the cover member (50) is attached to the article placement surface (70). 71) may be exposed. According to this, since the terminal connection portion can be used in both the state where the cover member is attached and the state where the cover member is removed, it is possible to effectively use the accessory device and the like, and the convenience of the acoustic adjustment device is improved. improves. In addition, the code | symbol in said parenthesis has shown the code | symbol of the corresponding component of embodiment mentioned later as an example of this invention.

  According to the housing structure of the acoustic control device according to the present invention, the surplus space on the top surface of the housing can be effectively used while maintaining a good appearance design such as unity between multiple units, and the usability of the acoustic control device is improved. It becomes possible to make it.

  Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings. FIG. 1 is a diagram showing an external configuration of a mixer device (acoustic control device) 1 to which a housing structure according to an embodiment of the present invention is applied. FIG. The perspective view of the state which attached the cover 50, (b) is a perspective view of the state which removed the upper cover 50. FIG. In FIG. 5B, the upper cover 50 removed from the housing 10 is shown in an exploded state. In the following description, the operator side of the mixer apparatus 1 is referred to as the front side or the front side, and the opposite side is referred to as the rear side. Further, both sides viewed from the front side of the mixer device 1 are referred to as left and right or lateral directions. Moreover, when showing the direction in each component, it shows by the direction in the state in which each component was attached to the mixer apparatus 1.

  The casing 10 of the mixer apparatus 1 includes an upper surface portion 20 provided with a display 33 and a plurality of operating elements 29, 34, a bottom surface portion 40 disposed below the upper surface portion 20, and the upper surface portion 20 and the bottom surface portion 40. It is formed in a box shape with a side surface portion 45 covering the side surface therebetween. The side surface portion 45 includes a front wall 46 that forms the front side surface of the housing 10, a lateral wall 47 that forms the left and right side surfaces, and a rear wall 48 that forms the rear side surface. The bottom surface portion 40 includes a flat bottom wall 41 and a plurality of protruding leg portions 42 (see FIG. 3) attached to the lower surface of the bottom wall 41.

  The upper surface portion 20 is disposed on the front side of the housing 10 and has a planar operation panel (panel surface) 21 in which a large number of operation elements 29 are arranged, and a boundary portion connected to the rear end side 21 a of the operation panel 21. 25 and an inclined flat display panel (panel surface) 31 that includes the display 33 and is erected obliquely upward to the rear from the boundary 25. The operation panel 21 has a surface arranged in parallel with the bottom wall 41. The boundary portion 25 extends linearly in the lateral direction of the housing 10 along the rear end side 21 a of the operation panel 21. The display panel 31 extends rearward and obliquely upward on the rear side of the boundary portion 25.

  The upper surface portion 20 has an obtuse angle V-shape, that is, a reverse heel shape, with the operation panel 21 and the display panel 31 sandwiching the boundary portion 25. Therefore, in a state where the bottom surface portion 40 of the housing 10 is installed on a horizontal plane, the operation panel 21 is horizontal, and the display panel 31 is erected at a predetermined angle (about 45 degrees in the figure) obliquely upward and rearward from the horizontal plane. It becomes.

  Various operation elements 29 are arranged on the operation panel 21. The operation element 29 passes through a small hole (not shown) provided in the operation panel 21 and is exposed on the upper surface side of the operation panel 21. The various controls 29 mentioned here include a fader control 29a, switches 29b, a rotary volume 29c, and the like. The operation panel 21 is also provided with electronic devices such as a liquid crystal display unit 29d. A fader operation element 29 a on the operation panel 21 can be slid linearly along the front-rear direction of the mixer device 1. The fader operation element 29a is configured to move manually, but a motor (not shown) for electrically driving is also provided. On the other hand, a display 33 is fitted in the display panel 31. In addition, on the side of the display 33 in the display panel 31, operating elements 34 such as switches and a rotary volume are arranged.

  A molding plate 23 is attached to the boundary portion 25 in the upper surface portion 20. The molding plate 23 is a thin plate-like member formed of a flexible synthetic resin material or the like, and is fitted into a gap between the rear end side 21 a of the operation panel 21 and the front end side 31 a of the display panel 31.

  As shown in FIG. 1B, a planar article placement surface 70 substantially parallel to the bottom wall 41 is formed on the rear side of the display panel 31 of the upper surface portion 20, that is, the rearmost portion of the upper surface portion 20. Has been. An upper cover (cover member) 50 having a substantially triangular cross section is attached to the article placement surface 70. The upper cover 50 can be attached to and detached from the article placement surface 70. Therefore, if the upper cover 50 is removed, a small accessory device such as a monitor speaker, a character input keyboard, or a mouse can be placed on the exposed article placement surface 70. On the other hand, when the upper cover 50 is attached to the article placement surface 70, the article placement surface 70 is hidden by the upper cover 50, and the upper cover 50 forms a part of the upper surface portion 20 of the housing 10.

  FIG. 2 is a partial enlarged cross-sectional view showing detailed configurations of the upper cover 50 and the article placement surface 70. The article placement surface 70 is formed on the upper surface of a plate-like member 49 that extends substantially parallel to the bottom wall 41 from the upper end of the rear wall 48 toward the front side, and is positioned one step lower than the rear end of the display panel 31. Has been placed. As shown in FIGS. 1B and 2, the upper cover 50 includes a pair of side plates 51, 51 made of a substantially triangular flat plate member, and an upper plate 55 and a presser plate 61 fixed to the side plates 51, 51. And is formed in a triangular tent shape protruding upward. The side plates 51 and 51 are members formed by bending a plate-like member formed of metal or the like, have side-to-side symmetrical shapes, and have a bottom 51a parallel to the article placement surface 70, and a bottom 51a. It is formed in a substantially triangular shape having three sides consisting of a front upper side 51b located on the upper front side and a rear upper side 51c located on the rear upper side. The surface of the side plate 51 is disposed along the front-rear direction of the housing 10.

  A fixed piece 52 for fixing the upper plate 55 is formed on the front upper side 51 b of the side plate 51. The fixed piece 52 is a portion in which the front upper side 51b is bent to the inside with a constant width at a substantially right angle. A fixed piece 53 to be fixed to the article placement surface 70 is formed on the bottom 51 a of the side plate 51. The fixed piece 53 is a portion formed by bending the bottom 51a of the side plate 51 to the inside with a constant width at a substantially right angle.

  The upper plate 55 is a substantially rectangular flat plate member whose longitudinal direction is the left-right direction of the housing 10, and is stretched over the side plates 51, 51. The upper plate 55 is fixed to the fixed piece 52 provided on the front upper side 51 b of the side plate 51 by fastening bolts 54. That is, bolt holes 55 a are formed in the vicinity of the left and right ends of the upper plate 55, and bolt holes 52 a are also formed in the fixed pieces 52 of the side plates 51. The upper plate 55 is fixed to the side plates 51 and 51 by fastening the bolts 54 to the bolt holes 55a and 52a. The upper plate 55 fixed to the side plates 51, 51 forms another inclined surface different from the surface of the display panel 31 behind the display panel 31. This surface is an inclined surface that rises obliquely rearward and upward with an inclination angle slightly gentler than the inclination angle of the display panel 31.

  Further, as shown in FIG. 2, the side plate 51 is attached to the article placement surface 70 by fastening bolts 57. That is, bolt holes 70 a are formed in the vicinity of the left and right ends of the article placement surface 70, and bolt holes 53 a are also formed in the fixed pieces 53 of the side plates 51. The side plates 51, 51 are fixed to the article placement surface 70 by fastening bolts 57 to the bolt holes 70 a of the article placement surface 70 and the bolt holes 53 a of the fixed piece 53.

  The presser plate 61 is a molded product made of synthetic resin, and is a long plate material that extends in the left-right direction of the housing 10 along the rear end side of the upper plate 55. The upper end side of the presser plate 61 is a protruding side 61a that protrudes toward the near side with a constant width, and the presser plate 61 extends along the rear upper side 51c of the side plate 51 from the upper protruding side 61a toward the lower end. It extends obliquely downward, and a step portion 61b is formed in the middle. The step portion 61b is composed of a plurality of planes facing in the vertical and front-rear directions, and a rail groove 62 having a substantially U-shaped cross section is formed on the upper surface side. As will be described later, the rail groove 62 can be used as a groove portion for guiding the rolling elements 82 provided on the rear legs 81 of the script placing plate 80 and the rolling elements provided on the support arm 91 of the lighting device 90.

  The presser plate 61 is fixed to the article placement surface 70 with bolts 63. The bolt 63 is inserted through a bolt hole 61 c formed at the bottom of the rail groove 62 in the presser plate 61 and a bolt hole 70 b arranged along the rear end side of the article placement surface 70. A plurality of bolt holes 61 c of the pressing plate 61 are arranged along the rail groove 62 at a predetermined interval. The bolt hole 70b of the article placement surface 70 is provided corresponding to the bolt hole 61c. The presser plate 61 is fixed to the upper plate 55 with bolts 64. The bolt 64 is inserted into a bolt hole 61 d formed in the protruding side 61 a of the holding plate 61 and a bolt hole 52 b arranged along the rear end side of the upper plate 55. In addition, illustration of the volt | bolt 54, the volt | bolt 57, and the volt | bolt 64 is abbreviate | omitted in FIG.1 (b).

  On the article placement surface 70, a connection terminal portion 71 for connecting devices such as a keyboard and a mouse is installed. The connection terminal unit 71 is composed of, for example, a USB terminal. The connection terminal portion 71 is formed in the shape of a small protrusion inclined to the front side so that the upper surface (terminal connection surface) 71 a thereof is parallel to the upper plate 55 of the upper cover 50. On the other hand, an opening 56 having a shape along the outer shape of the connection terminal portion 71 is formed at a position corresponding to the connection terminal portion 71 on the upper plate 55. Therefore, the connection terminal portion 71 is exposed from the opening 56 in a state where the upper cover 50 is attached to the article placement surface 70.

  Next, procedures for assembling the upper cover 50 and attaching it to the housing 10 will be described. First, the side plates 51 and 51 are attached to the article placement surface 70. This attachment is performed by fastening a bolt 57 to a bolt hole 53a provided in the fixed piece 53 of the side plate 51 and a bolt hole 70a provided in the article placement surface 70. In this state, the upper plate 55 is attached to the front upper sides 51b and 51b of the side plates 51 and 51. The upper plate 55 is attached by fastening the bolts 54 to the bolt holes 52a, 52a provided in the fixed pieces 52, 52 of the side plates 51, 51 and the bolt holes 55a, 55a provided in the upper plate 55. Further, in this state, the presser plate 61 is put on the rear upper side 51c of the side plate 51 and attached. In this attachment, the projecting side 61a of the presser plate 61 is placed on the rear end side of the upper plate 55, and in this state, the bolt 63 is inserted into the bolt hole 61c provided in the presser plate 61 and the bolt hole 70b provided in the article placing surface 70. And the bolt 64 is fastened to the bolt hole 61d provided in the presser plate 61 and the bolt hole 52b provided in the upper plate 55. Thus, the assembly of the upper cover 50 and the attachment to the article placement surface 70 are completed. In addition, what is necessary is just to perform said procedure in the reverse order for the decomposition | disassembly of the upper cover 50, and the removal from the article mounting surface 70. FIG.

  In the housing structure of the present embodiment, as shown in FIG. 1A, the article placement surface 70 is hidden by the upper cover 50 with the upper cover 50 attached to the article placement surface 70, and the article placement surface. The upper plate 55 of the upper cover 50 having an inclined plane different from that of the upper part 70 is a part of the upper surface part 20 of the housing 10. Further, the upper plate 55 and the presser plate 61 of the upper cover 50 form a mountain-like protrusion shape in which the rear end of the upper surface portion 20 of the housing 10 protrudes upward. By these, the upper surface part 20 of the housing | casing 10 can be made into a desired design, and the external appearance design of the housing | casing 10 becomes favorable. On the other hand, as shown in FIG. 1B, when the upper cover 50 is removed from the article placement surface 70, the planar article placement surface 70 is exposed on the rear side of the display panel 31. Therefore, a small accessory device such as a monitor speaker, a keyboard, or a mouse can be placed on the article placement surface 70. Accordingly, it is possible to effectively utilize the surplus space of the upper surface portion 20 of the housing 10 while maintaining a good appearance design of the mixer device 1, and to improve the usability of the mixer device 1. Note that the connection terminal portion 71 is exposed in both the state in which the upper cover 50 is attached and the state in which the upper cover 50 is removed, so that a keyboard, a mouse, or the like can be connected to the connection terminal portion 71. In addition to accessory devices such as a speaker, a keyboard, and a mouse, other small items such as a script can be placed on the article placement surface 70.

  Further, in this housing structure, the article placement surface 70 is provided at a position behind the display panel 31 as viewed from the operator sitting on the front side of the mixer device 1. Therefore, even if an accessory device such as a monitor speaker is placed on the article placement surface 70, the visibility of the display panel 31 and the display 33 by the operator is not affected. Further, it is possible to prevent the accessory device placed on the article placement surface 70 from interfering with the operation of the operation element 29 and the operation element 34.

  FIG. 3 is a schematic side view (partially sectional view) showing a state in which the script placing plate 80 is attached to the housing 10. As shown in the figure, above the display panel 31, a script mounting plate 80 whose surface is arranged in parallel with the display panel 31 can be installed. The script placing plate 80 is a substantially rectangular plate-like member, and a rod-like rear leg 81 connected to the rear end side 80 b is disposed above the display panel 31 and the upper cover 50 in parallel with the bottom wall 41 and the rear of the housing 10. A rolling element 82 made of a wheel or the like attached to the lower end of the presser plate 61 is engaged with the rail groove 62 of the presser plate 61. On the other hand, the front end side 80a of the script placing plate 80 is located immediately above the boundary portion 25, and the rolling element 84 installed at the lower end of the straight rod-like front leg 83 extending vertically downward from the front end side 80a is provided with a molding plate. It is mounted so that it can roll with respect to 23 along the longitudinal direction. One front leg 83 and one rear leg 81 are provided at the left and right ends of the script placement plate 80. Therefore, the rolling element 84 of the front leg 83 rolls on the molding plate 23, and the rolling element 82 of the rear leg 81 rolls on the rail groove 62 of the presser plate 61. Is slidable in the left-right direction of the housing 10 (the front side and back side in FIG. 3). The script placement plate 80 can be attached to and detached from the mixer device 1.

  FIG. 4 is a perspective view showing an external configuration of the central unit 100 of the mixer apparatus 1 to which the housing structure according to the present invention is applied, and the left and right units 200 and 200 installed on both sides of the central unit 100. The central unit 100 shown in the figure includes the above-described casing 10 according to the present invention, and an article placement surface 70 (not shown in FIG. 4) having an upper cover 50 attached to the rear side of the display panel 31. Is provided.

  The left unit 200 and the right unit 200 installed on both sides of the central unit 100 include a casing 210 having the same shape. The casing 210 is formed in a box shape having an upper surface portion 220, a bottom surface portion 240, and a side surface portion 245. The upper surface portion 220 includes a first operation panel 221 disposed on the front side, a boundary portion 225 provided at the rear end of the first operation panel 221, a display panel 231 disposed on the rear side of the boundary portion 225, and the display panel 231. And a second operation panel 222 extending rearward from the rear end. On the first operation panel 221, operation elements 229 are arranged, and the surface thereof is arranged in parallel with the bottom surface portion 240. The display panel 231 includes a display 233 and is inclined obliquely upward and rearward from the boundary portion 225 at an inclination angle equal to that of the display panel 31 of the central unit 100. The display panel 231 is lower than the display panel 31 of the central unit 100. Operating elements 229 are arranged on the second operation panel 222, and extend from the upper end of the display panel 231 obliquely rearward and upward to the upper plate 55 of the upper cover 50 of the central unit 100 at the same inclination angle. The second operation panel 222 is disposed adjacent to the upper plate 55 of the upper cover 50, and the second operation panel 222 and the upper plate 55 of the upper cover 50 are located on the same plane, and each other. The faces are almost in agreement.

  That is, when the left and right units 200 and 200 are installed adjacent to the central unit 100 of the mixer apparatus 1 having the housing structure of the present embodiment, the upper plate 55 of the upper cover 50 provided in the central unit 100 is the 200 of the left and right units. , 200 are arranged on a plane continuous with the upper surface of 200. That is, it is possible to give a uniform feeling to the external shapes of the central unit 100 and the left and right units 200 and 200 in a state where the upper cover 50 is attached to the article placement surface 70 of the central unit 100. Thereby, the external appearance design of the mixer apparatus 1 can be made favorable. On the other hand, if the upper cover 50 of the central unit 100 is removed, a small accessory device such as a monitor speaker can be placed on the article placement surface 70, so that the convenience of the mixer device 1 can be improved.

  As shown in FIG. 4, a lighting device 90 for illuminating the upper surface portion 20 such as the operation panel 21 can be attached to the casing 10 of the mixer device 1. The illuminating device 90 includes a bent rod-shaped support arm 91 and an illumination unit 92 that incorporates an LED, a light bulb, or the like provided at the tip of the support arm 91. The support arm 91 has substantially the same configuration as the rear leg 81 of the script mounting plate 80 shown in FIG. 3, and a rolling element (not shown) attached to one end is engaged with the rail groove 62 of the presser plate 61. Then, it extends upward, bends at a substantially right angle toward the near side, extends from above the display panel 31 to above the operation panel 21, and is connected to the illumination unit 92. Therefore, by moving the rolling element along the rail groove 62, the position illuminated by the illumination unit 92 can be changed to an arbitrary position in the left-right direction of the operation panel 21. The lighting tool 90 can be attached to and detached from the mixer device 1.

  Although the embodiments of the present invention have been described above, the present invention is not limited to the above-described embodiments, and various modifications can be made within the scope of the technical idea described in the claims and the specification and drawings. Is possible. For example, in the above-described embodiment, the case where the operation panel 21 and the display panel 31 of the upper surface portion 20 of the housing 10 have a bent surface shape that forms a V shape (reverse hem shape) has been described. In the body structure, for example, the shape of the upper surface of the housing may be a shape other than the above-described embodiment, such as a single inclined plane. Moreover, the housing structure of the present invention can be applied to other types of acoustic control devices besides the mixer device 1 shown in the above embodiment.

It is a figure which shows the external appearance structure of the mixer apparatus which applied the housing | casing structure concerning one Embodiment of this invention, (a) is a perspective view of the state which attached the upper cover to the housing | casing of a mixer apparatus, (b) It is a perspective view of the state which removed the upper cover. It is a partial expanded cross-sectional view which shows the detailed structure of an upper cover and its periphery. It is a schematic side view of the housing | casing which shows the state which attached the script mounting board above the display panel. It is a perspective view which shows the external appearance structure of the center unit of the mixer apparatus to which the housing | casing structure concerning this invention is applied, and the left-right unit installed in the both sides of this center unit.

1 Mixer device (acoustic control device)
DESCRIPTION OF SYMBOLS 10 Housing | casing 20 Upper surface part 21 Operation panel 25 Boundary part 29 Control element 31 Display panel (panel surface)
33 Display 40 Bottom part 45 Side part 50 Upper cover (cover member)
51 Side plate 55 Upper plate 56 Opening 61 Presser plate 70 Article placement surface 71 Connection terminal portion 80 Script placement plate 90 Illuminator 100 Central unit (one unit)
200 Left (right) unit (other units)

Claims (4)

In a housing structure of an acoustic control device comprising a box-shaped housing surrounded by an upper surface portion, a bottom surface portion, and a side surface portion covering a side surface between the upper surface portion and the bottom surface portion,
An inclined flat panel surface formed on the upper surface portion and arranged with an operator or a display, the surface of which is inclined with respect to the bottom surface portion,
An article placement surface disposed adjacent to the panel surface in the upper surface portion, the surface of which is formed in a planar shape parallel to the bottom surface portion;
A cover member that can be attached to and detached from the article placement surface,
While the cover member is attached to the article placement surface, the upper surface of the cover member having an inclination angle different from that of the article placement surface becomes a part of the upper surface portion of the casing,
A housing structure of an acoustic adjustment device, wherein the exposed article placement surface is a part of an upper surface portion of the housing in a state where the cover member is removed from the article placement surface. . 2. The acoustic adjustment device according to claim 1, wherein the article placement surface is disposed rearward of the panel surface of the upper surface portion with respect to an operator side of the acoustic adjustment device. Enclosure structure. The acoustic adjustment device includes another unit arranged in parallel with one unit having the housing structure,
When the one unit and the other unit are installed adjacent to each other on the same plane, the upper surface of the cover member included in the one unit is disposed on one plane continuous with the upper surface of the other unit. The housing structure for an acoustic control device according to claim 1 or 2, The article mounting surface is provided with a terminal connection part for connecting a terminal of the device,
The cover member is formed with an opening that exposes the terminal connection portion,
4. The housing structure for an acoustic adjustment device according to claim 1, wherein the terminal connection portion is exposed from the opening in a state where the cover member is attached to the article placement surface.

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