JP2015088820A - Display device and method of attaching speaker of display device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To ensure an installation space of a speaker even when a plurality of display devices are arranged in close proximity, and attach a speaker to different types of main body parts with the same fixture.SOLUTION: In a liquid crystal display device 1, a main body part 5 is provided with a display screen and has a monitor fixture 7 attached to the rear surface, and the monitor fixture 7 has a second planar part 7b having a speaker fixture 8 attached thereto. A speaker 2 is attached to the speaker fixture 8, and a screw 20 is inserted into a long-hole shaped fixation hole of an adjustment hole 19 provided in a speaker fitting 8 to fix the speaker fixture 8 to the second planar part 7b of the monitor fixture 7. An attachment position of the speaker fixture 8 with respect to the monitor fixture 7 is adjusted at the adjustment hole 19 to adjust the protruding position of the speaker 2 with respect to the main body part 5.

Description

  The present invention relates to a display device having a display unit such as a display screen, for example, a display device for attaching a speaker to a display device used for a public display or the like, and an attachment method for attaching the speaker to the display device.

  Conventionally, when a speaker is attached to a display device such as a liquid crystal display and used for a public display or the like, the speaker is often attached to a side portion or the like of a main body provided with a display unit such as a television screen. For example, in the display device described in Patent Document 1, speakers are installed on the side, lower, or upper part of the front surface of the main body having a display screen.

  In the display device described in Patent Document 1, when the speaker box is attached to the lower portion of the main body, the casing of the speaker box is brought into contact with the lower surface of the main body, and has a substantially L-shaped cross section composed of an upright plate and a horizontal plate. The main body and the speaker box are connected by an attachment member. That is, the upright plate of the mounting member is brought into contact with the main body and the back of the housing and screwed, and the horizontal plate of the mounting member is inserted into the mounting hole of the housing to connect the main body and the speaker box. ing.

JP2013-12869A

  However, when the main body portions of a plurality of display devices are arranged close to each other, a space for attaching the speaker cannot be secured, and the speaker may not be attached. Also, when fixing the speaker box using the screw hole provided on the back of the display device, the position of the screw hole differs depending on the type of the main body of the display device. It was necessary to prepare different things depending on the situation. For this reason, preparing a plurality of types of attachment members has the disadvantage of increasing costs.

  In view of the above-described problems, the present invention can secure a speaker installation space even when a plurality of display devices are arranged close to each other, and can attach a speaker with the same fixture even when the types of main body portions are different. An object of the present invention is to provide a display device and a speaker mounting method for the display device.

  A display device according to the present invention includes a main body unit having a display unit for displaying an image, a monitor attachment device attached to the back of the main body unit, a speaker attachment device attached to the monitor attachment device, and a speaker attachment device. And a speaker positioned on the back side of the main body, and an adjustment unit for adjusting the protruding position of the speaker relative to the main body by adjusting the mounting position of the speaker mounting relative to the monitor mounting. .

  Further, the speaker mounting method of the display device according to the present invention is such that the monitor mounting tool and the speaker mounting device are connected by the adjusting unit, the speaker is mounted on the speaker mounting device, and the back surface of the main body unit having a display unit for displaying an image. The monitor mounting fixture is fixed to the speaker mounting fixture, and the protruding position of the speaker relative to the main body of the speaker mounting fixture is adjusted by the adjustment section.

  According to the display device and the speaker assembly method of the display device according to the present invention, a plurality of main body portions are installed at positions close to each other in order to attach the speaker to the back side of the main body portion of the display device by the monitor attachment and the speaker attachment. But the speaker doesn't get in the way. Moreover, since the position of the speaker fixture relative to the monitor fixture can be adjusted by the adjustment unit, the protruding position of the speaker from the back of the main unit can be adjusted, and the mounting position of the monitor fixture may be shifted depending on the type of the main unit. The speaker can be mounted by protruding from the main body.

It is a perspective view of the front side of the liquid crystal display device by 1st embodiment of this invention. It is a perspective view of the back side of the liquid crystal display device shown in FIG. It is a principal part top view which shows the main-body part and speaker of a liquid crystal display device. It is a fragmentary perspective view of the speaker attached to one side edge part of the back surface of the main-body part of the liquid crystal display device by 2nd embodiment of this invention. It is a fragmentary perspective view of the speaker attached to the other side edge part of the main-body part shown in FIG. It is a disassembled perspective view which shows the connection process of a monitor metal fitting and a speaker metal fitting. It is a disassembled perspective view which shows the attachment process of a speaker and a speaker metal fitting. It is a principal part perspective view which shows the process of fixing a monitor metal fitting with a driver through the adjustment hole of a speaker metal fitting. It is a principal part perspective view which shows the process of fixing a monitor metal fitting to a main-body part.

Hereinafter, a display device and a method of attaching a speaker according to an embodiment of the present invention will be described with reference to FIGS.
1 and 2 are views showing a liquid crystal display device 1 as a display device in the first embodiment of the present invention. For example, a large liquid crystal display device 1 can be displayed alone, or a large number of people can display a large screen image by arranging a plurality of liquid crystal display devices 1 in close proximity to each other. It may be used as a public display for observing one image. Many people can observe by attaching the speaker 2 to the liquid crystal display device 1 that can be used for such a public display.

Below, the liquid crystal display device 1 to which the speaker 2 is attached will be described.
The liquid crystal display device 1 shown in FIG. 1 and FIG. 2 surrounds the periphery of the image display screen 3 and the drive unit on the back side with a housing 4, and these are the main body 5 of the liquid crystal display device 1. Speakers 2 are attached to the back sides of both sides of the main body 5, respectively. The speakers 2 have, for example, a long plate shape extending in the vertical direction, and a front surface 2 a that outputs sound is located on the front side of the main body 5. The back surface 2b is located on the back side of the main body. Further, as viewed from the display screen 3 side of the liquid crystal display device 1, a part of the speaker 2 overlaps the back surface of the main body 5, and the remaining part protrudes outward from the side. It is preferable that the speaker 2 protrudes in a direction orthogonal to the both side surfaces 5 a of the main body portion 5, and at least a half or more of the width thereof protrudes outward from the both side surfaces 5 a of the main body portion 5.

  The back surface of the main body 5 shown in FIGS. 2 and 3 is provided with a thick convex portion 5b provided at the center and side edge portions 5c having a relatively small thickness along both side portions thereof. A monitor fitting 7 is fixed to both side edges 5 c on the back surface of the main body 5, and the speaker 2 is fixed to a free end of a speaker fitting 8 connected to the monitor fitting 7. The speakers 2 provided on both side edges 5c on the back surface of the main body 5 are fixed by two sets of monitor fittings 7 and speaker fittings 8 provided on the upper and lower sides, respectively.

  Then, a long hole-shaped adjustment hole 19 provided in the speaker metal fitting 8 is attached to the monitor metal fitting 7 and fixed to the monitor metal fitting 7 through the screw 20 in the adjustment hole 19 so that the position can be adjusted. By adjusting the position of the speaker fitting 8 in the longitudinal direction along the screw 20, the protruding amount of the speaker 2 protruding in the direction orthogonal to the both side surfaces 5 a of the main body 5 can be adjusted.

  Since the liquid crystal display device 1 according to the first embodiment has the above-described configuration, the speaker 2 can be easily attached. Even if the liquid crystal display device 1 adjacent to the public display is disposed in the vicinity, the speaker 2 is not attached. The sound can be emitted forward from the gap between the two main body portions 5 without being in the way of being located on the back side of the side edge portion 5c. Moreover, the installation position of the speaker 2 can be adjusted by the adjustment hole 19 of the speaker fitting 8 even if the fixing position of the monitor fitting 7 by the screw 13 on the side edge 5 c is shifted depending on the type of the main body 5.

Next, the mounting method of the liquid crystal display device 1 and the speaker 2 according to the second embodiment of the present invention will be described with reference to FIGS. 1 to 3, and the same members as those of the liquid crystal display device 1 shown in the first embodiment. Will be described using the same reference numerals.
First, each monitor fitting 7 and speaker fitting 8 for attaching the speaker 2 to both side edges 5c of the main body 5 in the liquid crystal display device 1 will be described.

As shown in FIGS. 3 and 6, the monitor fitting 7 includes a first flat portion 7 a that comes into contact with the side edge portion 5 c of the main body portion 5, a second flat portion 7 b that comes into contact with the speaker fitting 8, and a first flat portion. 7a and the connection part 7c which connects the 2nd plane part 7b, and it is formed in the substantially Z shape. Further, a screw hole 11 in which a female screw is cut is formed in the second flat surface portion 7b, and a speaker bracket 8 is brought into contact with one edge portion of the second flat surface portion 7b so as to define an angular position thereof. The portion is provided as a stopper portion 12 upright at a right angle. In addition, when attaching each speaker 2, since the monitor metal fitting 7 uses the same thing, as shown to FIG. 4, FIG. 5, it provides in one side edge part 5c among the left and right side edge parts 5c of the main-body part 5. As shown in FIG. The stopper portion 12 is installed in the opposite direction with respect to the vertical direction depending on the case and the case where the stopper portion 12 is provided on the other side edge portion 5c.
The monitor fitting 7 is screwed and fixed to the side edge portion 5c of the main body portion 5 with a screw 13 through an insertion hole provided in the first flat surface portion 7a. Further, the monitor metal fitting 7 is fixed to the main body 5, and the second flat surface portion 7 b is located on the center side of the display screen 3, that is, on the convex portion 5 b side with respect to the first flat surface portion 7 a.

In FIG. 5, a recess 15 for positioning and fixing the speaker fitting 8 is formed on the back surface 2 b of the speaker 2, and a pair of screw holes 15 a for fixing the speaker fitting 8 with screws 16 on the bottom surface in the recess 15. And a pair of positioning projections 15b provided outside (or inside) each screw hole 15a.
In the back surface 2b of one speaker 2 shown in FIG. 5, two recesses 15 are formed on the upper portion in the longitudinal direction of the speaker 2 and one on the lower portion, and the back surface 2b of the other speaker 2 has one on the upper portion and one on the lower portion. Two strips are formed. In each speaker 2, the speaker bracket 8 can be attached to the recess 15 of each one of the upper and lower portions, but the recess 15 may be provided only on the upper and lower portions of the speaker 2.
In the present embodiment, when the speaker 2 is installed on both the left and right sides of the main body 5, four sets of monitor fittings 7 and speaker fittings 8 are provided near the upper and lower corners of the side edges 5 c of the main body 5. It was installed and the upper and lower parts of each speaker 2 were fixed.

  4 to 6, the speaker bracket 8 is a stepped substantially plate shape in which a long plate portion 8a and a short plate portion 8b are connected via a step portion 8c, and the long plate portion 8a includes: A pair of long holes 18 for fixing the screws 16 are formed in the screw holes 15a provided on the back surface 2b of the speaker 2, and small holes for positioning the positioning convex portions 15b on the outside of the long holes 18 for positioning. 18a is formed in communication.

  Further, an adjustment hole 19 having a long hole shape is formed from the short plate portion 8b of the speaker bracket 8 to the step portion 8c. The adjustment hole 19 is formed in the short plate portion 8b, and is formed in the step portion 8c and the fixing hole 19a which is a long hole through which the screw 20 is inserted and screwed into the screw hole 11 of the monitor fitting 7. A middle hole portion 19b (driver insertion hole) through which the screwdriver 22 can be inserted, and a large hole portion formed in the long plate portion 8a for screwing the screw 13 into the side edge portion 5c of the main body portion 5 It has a long hole widened in three stages having 19c (screw insertion hole). Further, the screw 20 cannot be inserted through the middle hole portion 19b, and the screw 13 cannot be inserted through the middle hole portion 19b.

  The large hole portion 19c through which the screw 13 is inserted by the driver 22 and the insertion hole of the screw 13 in the first flat surface portion 7a are slightly shifted, and the driver 22 is moved from the large hole portion 19c to the middle hole portion 19b. The screw 13 is screwed into the side edge portion 5c of the main body portion 5 through the insertion hole of the first flat surface portion 7a. In addition, at least the fixing hole 19a of the adjustment hole 19 and the screw 20 constitute an adjustment portion.

And the 1st plane part 7a of the monitor metal fitting 7 is fixed to the side edge part 5c in the up-and-down position of the speaker 2 each attached to the right and left side edge part 5c of the main-body part 5, and the 2nd plane part 7b of the speaker metal fitting 8 is attached. The short plate portion 8 b is fixed with screws 20, and the speaker 2 is fixed to the long plate portion 8 a of the speaker bracket 8 with screws 16.
Therefore, the speaker bracket 8 and the speaker 2 are arranged in a direction orthogonal to the side surface 5 a of the main body 5, and the speaker bracket 8 attached to the second flat surface portion 7 b of the monitor bracket 7 has a long hole shape in the adjustment hole 19. Since the position can be adjusted by advancing and retreating in the direction orthogonal to the side surface 5a by the fixing hole 19a, the protruding amount of the speaker 2 protruding from the side surface 5a of the main body 5 can be adjusted. Further, since the speaker 2 is located on the back side of the side edge portion 5c of the main body portion 5, the multi-display can be configured by attaching the side surfaces 5a of the main body portions 5 of the adjacent liquid crystal display devices 1 to adjacent positions. . In addition, the sound of the speaker 2 can be output forward from the gap between the side surfaces 5 a of the main body 5 of the adjacent liquid crystal display device 1.

Next, a method of attaching the speaker 2 in the liquid crystal display device 1 according to the second embodiment will be described with reference to FIGS.
When attaching the speaker 2 to the liquid crystal display device 1, first, in FIG. 6, the screw 20 is passed through the fixing hole 19 a in the adjustment hole 19 of the speaker bracket 8 and screwed into the screw hole 11 of the second flat surface portion 7 b of the monitor bracket 7. Fix it. At this time, the speaker bracket 8 is brought into contact with the stopper portion 12 in the second plane portion 7b of the monitor bracket 7 and the screw 20 is tightened, whereby the angular position between the speaker bracket 8 and the monitor bracket 7 is defined. .

  Next, in FIG. 7, the temporarily fixed speaker fitting 8 is fitted into one recess 15 on the back surface 2b of the speaker 2, and the positioning projection 15b of the speaker 2 is fitted into the small holes 18a of the pair of long holes 18, respectively. To position. In this state, the screw 16 is passed through the long hole 18 of the speaker fitting 8 and screwed into the screw hole of the speaker 2, and the speaker 2 is temporarily fixed to the speaker fitting 8.

Next, as shown in FIG. 8, the first flat surface portion 7 a of the monitor fitting 7 is placed on the side edge portion 5 c of the main body portion 5 so that the front surface 2 a of the speaker 2 faces the display screen 3 side of the liquid crystal display device 1. The screw 13 attached to the driver 22 is moved from the large hole portion 19c of the adjustment hole 19 of the speaker fitting 8 to the middle hole portion 19b. Next, as shown in FIG. 9, the screw 13 is screwed into the screw hole of the side edge portion 5c by the screwdriver 22 through the insertion hole of the first flat surface portion 7a.
In this state, the screw 20 or the long hole 18 through which the speaker fitting 8 is passed through the fixing hole 19a of the adjustment hole 19 so that the front surface 2a of the speaker 2 protrudes more than 1/2 from the side surface 5a of the main body 5 in the liquid crystal display device 1. The position is adjusted along the screw 16 passed through the. Thereafter, the screws 20 and 16 are tightened tightly. Such an operation is performed on the two speakers 2 on both sides of the main body 5 at two positions on the upper and lower sides to complete the mounting of the speakers 2.

As described above, according to the mounting method of the liquid crystal display device 1 and the speaker 2 according to the second embodiment, the monitor 2 and the speaker bracket 8 are used to attach the speaker 2 to both side edges on the back surface of the main body 5 of the liquid crystal display device 1. Since it attaches to 5c and makes a part protrude outside, the sound of the speaker 2 can be emitted ahead. Moreover, in the liquid crystal display device 1 according to the present embodiment, the side edge portions 5c of the plurality of main body portions 5 can be installed at positions close to each other, the speaker 2 does not get in the way, and the adjacent main body portions 5 Since the speaker 2 is located in the gap between them, a sound can be emitted forward.
Further, when the speaker 2 is attached, the speaker bracket 8 can be brought into contact with the stopper portion 12 provided on the second flat surface portion 7b of the monitor bracket 7 to define the mutual angle and position.

Moreover, the position of the speaker fitting 8 can be adjusted in the longitudinal direction by the adjustment hole 19 and the long hole 18 provided in the speaker fitting 8 even if the mounting position of the monitor fitting 7 is shifted depending on the type of the main body 5. Therefore, the speaker 2 can be attached. In addition, since the monitor fitting 7 is formed in a substantially Z shape, the speaker 2 attached to the speaker fitting 8 is provided at a position close to the side surface 5 a of the main body 5, and the adjustment of the main body 5 by the adjustment hole 19 and the screw 20. The protrusion amount of the speaker 2 in the direction orthogonal to the side surface 5a from the back surface can be adjusted.
Further, the main body part 5 is provided with a central convex part 5b on the back surface and side edge parts 5c on both sides thereof, and the side edge part 5c is formed with a thickness smaller than that of the convex part 5b. 8 and the speaker 2 can be accommodated in the depth of the main body part 5 so as not to protrude from the convex part 5b to the back side. For this reason, even if the speaker 2 is attached to the back side of the main body 5, the thickness of the liquid crystal display device 1 does not increase and is thin. Can be used.

  Further, the adjustment hole 19 provided in the speaker bracket 8 is provided with a fixing hole 19a, an intermediate hole portion 19b, and a large hole portion 19c whose inner diameter width changes in three stages, and the driver 22 is provided in the intermediate hole portion 19b and the large hole portion 19c. Since the insertion is possible, the monitor fitting 7 can be attached to the side edge 5c of the main body 5 in a state in which the speaker fitting 8 and the speaker 2 are attached to the monitor fitting 7, and the attaching work of the speaker 2 is easy. Further, since the protruding amount of the speaker 2 can be adjusted by the monitor fitting 7 and the speaker fitting 8 provided on the side edge portion 5c of the main body 5, the number of parts is small, the cost is low, and the assembling work is easy.

In addition, this invention is not limited to the attachment method of the liquid crystal display device 1 by each above-mentioned embodiment and its speaker 2, In the range which does not change the summary of this invention, a suitable change, substitution, etc. are possible, All of these are included in the present invention.
For example, in the above-described embodiment, the speakers 2 are attached to the side edge portions 5c on both sides of the back surface of the liquid crystal display device 1. Instead of this, at least one of the upper and lower portions is provided with a thin edge portion. A speaker 2 may be attached. Also in this case, the monitor 2 and the speaker bracket 8 can be used to attach and adjust the position of the speaker 2.
In the present invention, the convex portion 5 b may not be provided on the back surface of the main body portion 5, and the speaker 2 may be attached to the back surface of the substantially flat plate-like main body portion 5 by the monitor metal fitting 7 and the speaker metal fitting 8.

In the liquid crystal display device 1 according to the above-described embodiment, the stopper portion 12 is provided on the second flat surface portion 7b of the monitor fitting 7. However, the stopper portion 12 is not necessarily provided.
Moreover, although the monitor fitting 7 and the speaker fitting 8 which consist of metal fittings were used as a monitor attachment and a speaker attachment, you may form with a synthetic resin etc. Further, the adjustment hole 19 may be formed by separating the long fixed hole 19a, the middle hole portion 19b, and the large hole portion 19c.

  In the speaker mounting method in the liquid crystal display device 1, after mounting the speaker 2 to the speaker bracket 8, the driver 22 is inserted through the adjustment hole 19 to fix the monitor bracket 7 to the side edge 5 c of the main body 5. However, on the contrary, the monitor fitting 7 may be attached to the side edge 5c first. Alternatively, after attaching the monitor fitting 7 to the side edge portion 5 c of the main body 5, the speaker fitting 8 may be attached to the second plane portion 7 b and the speaker 2 may be attached to the speaker fitting 8.

  The screw 20 constitutes the first fixture, the screw 13 constitutes the second fixture, the first flat surface portion 7a of the monitor fitting 7 constitutes the first attachment portion, and the second flat portion 7b constitutes the second attachment portion. To do. In the above-described embodiment of the present invention, the liquid crystal display device 1 is used as the display device. However, the present invention is not limited to the liquid crystal display device, and various displays such as an organic EL display and a plasma display. Applicable to equipment.

DESCRIPTION OF SYMBOLS 1 Liquid crystal display device 2 Speaker 3 Display screen 5 Main-body part 7 Monitor metal part 7a First plane part 7b Second plane part 8 Speaker metal part 12 Stopper parts 13, 16, and 20 Screw 15 Recess 15a Screw hole 15b Positioning convex part 18 Long hole 19 Adjustment hole 19a Fixing hole

Claims (7)

A main body having a display for displaying an image;
A monitor fixture attached to the back of the main body,
A speaker fixture attached to the monitor fixture;
A speaker attached to the speaker fixture and located on the back side of the main body,
A display device, comprising: an adjustment unit that adjusts a protruding position of the speaker relative to the main body by adjusting an attachment position of the speaker attachment relative to the monitor attachment.   The display device according to claim 1, wherein the monitor fixture is provided with a stopper that abuts the speaker fixture and defines a relative angle of the speaker fixture. The monitor fixtures are respectively attached to the left and right of the back of the main body,
The display device according to claim 2, wherein the stopper of one of the monitor attachments is installed in an opposite direction to the stopper of the other monitor attachment.   The monitor fixture includes a first attachment portion that is fixed to the main body portion, a second attachment portion that is fixed to the speaker attachment, and a connecting portion that connects the first attachment portion and the second attachment portion. 4. The display device according to claim 1, wherein the second attachment portion is located closer to the center of the display portion than the first attachment portion. 5.   5. The display device according to claim 1, wherein the adjustment unit includes a long hole-shaped fixing hole that is inserted into the first fixing tool and coupled to the monitor mounting tool. 6.   The said adjustment part is provided with the driver insertion hole which can insert the said fixing hole and a driver, and the fixing tool insertion hole which screw-fits a 2nd fixing tool to the said 1st plane part with the said driver. Display device. The monitor attachment and speaker attachment are connected by the adjustment part,
Attaching a speaker to the speaker attachment, and fixing the monitor attachment on the back of a main body provided with a display unit for displaying an image,
A speaker mounting method for a display device, characterized in that a protruding position of the speaker provided to the speaker mounting tool with respect to the main body is adjusted by the adjusting unit.

Images