JP2010243719A - Housing assembly structure and image display apparatus - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a housing assembly structure for stably assembling a housing and obtaining an excellent interior nature. <P>SOLUTION: The housing (4) includes: a first cover (2) which presents a rectangular outer shape, is disposed so as to cover at least a part on one surface side of a body (1) to be housed, and includes flange parts (2tuba) projected to the other surface side of the body to be housed at each of the first pair of edge parts facing each other; and a second cover (3) which presents a rectangular outer shape, is disposed so as to cover at least a part of the other surface side of the body to be housed, and includes bent parts (3mage) where the end face is bent so as to face the first cover at each of the second pair of edge parts not corresponding to the first pair of edge parts. The first cover and the second cover are combined such that the end face of the bent part is oppositely abutted or close to the inner surface of the third pair of edge parts different from the first pair of edge parts and the end face of the pair of edge parts different from the second pair of edge parts is oppositely abutted or close to the inner surface of the flange part. <P>COPYRIGHT: (C)2011,JPO&INPIT

Description

  The present invention relates to a housing assembly structure and an image display device, and more particularly to a housing assembly structure and an image display device suitable for a large image display device.

In recent years, an image display device (for example, a display device or a television device) that displays an image using a display module such as a liquid crystal panel has rapidly spread.
Usually, an image display device includes a display panel unit (image display device main body) having a display module and a housing that is housed inside the image display surface of the display module so that the image display surface of the display module can be viewed from the outside. And a stand (pedestal part) that can rotate such as swinging (swivel).
When a liquid crystal panel is used for the display module, a backlight is required. As the backlight light source, for example, a linear light source such as a cold cathode ray tube (CCFL) or an external electrode fluorescent tube (EEFL) is used. An LED light source using an LED (light emitting diode) may be used.

In such an image display device, Patent Document 1 discloses a structure in which a front cabinet is sandwiched between a front cover and a rear cabinet as a technique for assembling and fixing a housing that houses a display module therein.
Further, Patent Document 2 discloses a structure corresponding to a wide variety of color liquid crystal displays by changing the internal bracket without providing a set screw hole in the liquid crystal display base and the cover.

JP 2008-298964 A JP 2000-305066 A

By the way, in recent years, with the spread of image display devices, there has been a demand for an increase in screen size, and a reduction in the thickness and weight of the display panel unit as much as possible, and the exterior of the display panel unit surrounding the display surface. Market demand for aesthetics in appearance design such as narrowing the frame (frame portion) as narrow as possible (thinning) has become strong, and provision of an image display device that realizes them has always been expected.
In addition, the interior characteristics of home appliances are also emphasized, and in the front, right side, right behind, etc. where the user is usually easy to touch, the screw fastening points can be eliminated or hidden, and the end face of the member can be removed. There is also a demand for a design that makes the exterior surface as flat as possible, such as by hiding it from view.

Usually, the image display device main body has a housing made of resin (plastic) in which a front cover on the front side (hereinafter referred to as F cover) and a rear cover on the back side (hereinafter referred to as R cover) are combined. is doing. The resin casing is a molded member formed by injection (injection molding).
There are some image display devices that use a metal member as a housing, but there is a problem that the weight of the entire image display device increases when applied to large screens of 30-inch or more, for example. Therefore, it becomes difficult to realize the above market demand for weight reduction.

However, when the resin casing is applied to the structures disclosed in Patent Documents 1 and 2, the resin casing is suitable for a relatively small image display device. There is a problem that variations in manufacturing cannot be ignored.
The resin molded member undergoes thermal shrinkage when cooled after injection molding, and changes its shape slightly. Since this thermal contraction occurs individually, the thermal shrinkage is designed in advance in consideration of the variation in the shrinkage amount.
However, in a large-sized image display device, the amount of shrinkage becomes large, and variation in the amount of shrinkage occurs between the F cover and the R cover, so that variation is unacceptable when the F cover and R cover are assembled. This increases the probability that a defective product will occur, resulting in an increase in the cost of the image display apparatus.

As a method of solving the heat shrinkage variation, a method of increasing the number of screw fastening points when assembling the F cover and the R cover is conceivable.
However, when the number of screw fastening points is increased, the number of parts and the number of assembling steps are increased, and the number of screw fastening points is increased, thereby deteriorating the aesthetic appearance of the external design.

Therefore, a problem to be solved by the present invention is to provide a housing assembly structure capable of stably assembling the housing and an image display device including the same.
It is another object of the present invention to provide a housing assembly structure capable of obtaining excellent interior properties without deteriorating the appearance of the exterior design, and an image display device including the same.

In order to solve the above problems, the present invention has the following configurations 1) to 4).
1) In the assembly structure of the casing (4) for storing the rectangular flat plate-shaped object (1),
The housing (4)
A rectangular outer shape is provided so as to cover at least a part of one surface side of the object to be stored (1), and on the other surface side of the object to be stored (1) on each of the first pair of opposing edges. A first cover (2) having a collar (2tuba) projecting toward the
A rectangular outer shape is provided so as to cover at least a part of the other surface side of the object to be stored (1), and each of the second pair of edges that does not correspond to the first pair of edges. A second cover (3) having a bent portion whose end face is bent so as to face the first cover (2);
With
The end surface of the bent portion (3mage) in the second cover (3) faces the inner surface of a third pair of edge portions different from the first pair of edge portions in the first cover. The end surfaces of the pair of edges that are in contact with or close to each other and different from the second pair of edges in the second cover are on the inner surface of the flange (2tuba) in the first cover (2). An assembly structure of a housing, characterized in that the first cover (2) and the second cover (3) are combined so as to face or approach each other.
2) In the assembly structure of the housing described in 1),
A slide bracket (20) provided on an inner surface of the third pair of edges of the first cover (2) so as to slide along the edges;
Slide means (ZZd) for connecting the slide bracket (20) and sliding the slide bracket (20) from the outside,
When the slide bracket (20) slides on the inner surfaces of the second pair of edges of the second cover (3), the second cover (3) is guided in a direction approaching the first cover (2). Mating engagement part (3dc),
It is the assembly structure of the housing | casing characterized by providing.
3) The first cover (2) and the second cover (3) are fastened with screws (zzb) only at the flange (2tuba) 1) or 2) It is the assembly structure of the housing | casing as described in.
4) An image display device having the assembly structure of the housing described in any one of 1) to 3), wherein the object to be stored (1) is an image display module.

According to the present invention, it is possible to stably assemble a casing made of a resin molded member regardless of molding variations.
In addition, excellent interior properties can be obtained without deteriorating the aesthetics of the exterior design.

1 is a rear perspective view of an image display device according to an embodiment of the present invention. It is an external appearance perspective view of the front side which shows the example of the image display device of the present invention. It is an exploded view of the back side of the image display device of the present invention. It is a perspective partial enlarged view for demonstrating the principal part of the image display apparatus of this invention. It is an external appearance perspective view of the back side of a display module. It is a perspective partial enlarged view for demonstrating the principal part of the image display apparatus of this invention. It is a perspective partial enlarged view for demonstrating the principal part of the image display apparatus of this invention. It is a perspective partial enlarged view for demonstrating the principal part of the image display apparatus of this invention. 1 is a rear perspective view of an image display device according to an embodiment of the present invention. It is a perspective partial enlarged view for demonstrating the principal part which shows the Example of the image display apparatus of this invention. It is a perspective view for demonstrating the principal part of the image display apparatus of this invention. It is an external appearance perspective view of the back side of an image display apparatus main body. It is a perspective partial enlarged view for demonstrating the principal part of the image display apparatus of this invention. It is an exploded view for demonstrating the principal part of the image display apparatus of this invention. It is a perspective partial enlarged view for demonstrating the principal part of the image display apparatus of this invention. It is a perspective partial enlarged view for demonstrating the principal part of the image display apparatus of this invention. It is a perspective partial enlarged view for demonstrating the attachment structure of the side bracket in the Example of the image display apparatus of this invention. It is a perspective partial enlarged view of the R cover inner surface in the Example of the image display apparatus of this invention. It is an enlarged view for demonstrating the principal part in the Example of the image display apparatus of this invention. It is a perspective partial enlarged view for demonstrating the attachment structure of the side bracket in the Example of the image display apparatus of this invention. It is an enlarged view for demonstrating the principal part in the Example of the image display apparatus of this invention. It is an enlarged view for demonstrating the principal part in the Example of the image display apparatus of this invention.

  Embodiments of the present invention will be described with reference to FIGS.

1 and 2 are external perspective views showing an embodiment of the image display device of the present invention.
FIG. 1 is a perspective view of the image display device 50 as viewed from obliquely upward on the back side, and FIG. 2 is a perspective view of the image display device 50 as viewed from obliquely upward on the front side.
In the embodiments described below of the present invention, in an assembly structure of a housing having a front cover and a rear cover, the end surface of the rear cover is the top inner surface, the ground inner surface, and the left and right edges of the front cover. Both covers are combined so as to face (abut) the inner surface of the part.
That is, as the end surface of the housing, the end surface of the rear cover is not visually recognized from the outside, and only the end surface of the front cover is visually recognized from the outside.
With this structure, when the front cover and the rear cover are formed by injection molding of resin, even if there is a variation in dimensions or deformation due to thermal shrinkage or residual stress, the displacement and distortion of the combined parts of each cover are extremely inconspicuous. ing.
Also, in the assembly of the front cover and rear cover, the male screws used for fastening the combination are used only on the top surface and the ground, which makes it possible to reduce the number of male screws that are normally used, including the side and back. , Much less than before.
Moreover, since the external thread is not recognized from the outside about the back surface and the side surface, the appearance quality of the housing is improved.
Further, U-shaped or L-shaped arms that open to the same side (for example, the top side) are provided on the inner surfaces of the front cover and the rear cover so that the openings overlap with each other when the covers are combined as a casing. A slide bracket that slides and engages with the opening is arranged inside one of the covers, and after combining the covers, a screw is externally engaged to engage the slide bracket with the opening. By using and moving, the front cover and the rear cover are pulled and combined so as to approach each other.
As a result, the front cover and the rear cover can be firmly assembled without having to fasten the rear and side surfaces of the housing with external screws, so even if there is dimensional variation, distortion, or warpage of each cover, A housing of good quality can be assembled without making them stand out.
These structures are preferably applied to the housing of the image display device. In particular, the larger the display screen size of the image display device, the greater the effect that can be obtained.

  The image display device 50 of this embodiment is a television device. A case where the screen size is 42 type will be described. An example in which a liquid crystal module is used as the display module will be described.

  1 and 2, an image display device 50 includes an image display device main body 50A in which the liquid crystal module 1 is housed as a display module, and the image display device main body 50A is swung left and right within a predetermined angle range. The pedestal 50B is supported so as to be possible.

The image display apparatus main body 50A has a resin casing 4 in which a front cover (hereinafter referred to as F cover) 2 on the front side and a rear cover (hereinafter referred to as R cover) 3 on the back side are combined. ing.
The F cover 2 is formed in a frame shape.
The R cover portion 3 includes a center frame 3c disposed in the center, and a left R cover 3e and a right R cover 3d disposed on the left and right sides thereof. The center frame 3c is made of metal.
The center frame 3c, the left R cover 3e, and the right R cover 3d are formed with no step so that the back side is the same surface.

A liquid crystal module 1 in which a liquid crystal panel 5 and a backlight unit 6 are incorporated is fixed inside the housing 4, and a substrate on which a circuit for signal processing of the image display device 50 is mounted, a power supply unit, and the like (not shown). ) Is stored.
As shown in FIG. 1, the pedestal portion 50 </ b> B is composed of a bottom plate portion 3 aa and a metal pedestal fixing bracket 3 a which is a column portion erected on the rear side.
The pedestal fixing bracket 3a is fixed to the center frame 3c by fixing means described later.
That is, the image display device main body 50A is supported by the pedestal portion 50B via the center frame 3c and the pedestal fixing bracket 3a.

As shown in FIG. 2, the F cover 2 has an opening window 2 a that exposes the image display surface 1 a of the liquid crystal module 1. A frame portion surrounding the opening 2a is referred to as a frame portion 2c.
Hereinafter, the front surface of the F cover 2 is referred to as a reference front surface 2b.
Moreover, as shown in FIG. 1, let the part other than the center frame 3c in the housing | casing 4 be the reference | standard back surface 3b. Four female screw portions 3n are provided on the reference back surface 3b. The female screw portion 3n is a receiving portion for attaching the wall hanging bracket.
Here, the thickness of the casing 4 other than the center frame 3c of the image display device main body 50A is TK.
That is, the thickness TK is the distance between the reference front surface 2b and the reference back surface 3b. Here, reducing the thickness TK is reducing the thickness.

FIG. 3 is an exploded view of the back side of the image display apparatus of the present invention.
The outline of the assembly and fixing structure on the back side of the image display apparatus of the present invention will be described with reference to FIG.

In FIG. 3, the liquid crystal module 1 is shown in a state in which the rear side is faced upward in FIG. 3 with the F cover 2 attached.
The R cover 3 includes a center frame 3c, a right R cover 3d, and a left R cover 3e.
The R cover 3 is assembled to the liquid crystal module 1 by first attaching the center frame 3 c to the liquid crystal module 1 and the F cover 2, and then attaching the right R cover 3 d and the left R cover 3 e to the liquid crystal module 1 and the F cover 2. A method of attaching the right R cover 3d and the left R cover 3e will be described later.

The center frame 3c is formed using a metal extrusion material such as aluminum, and functions as a reinforcing sheet metal member for reinforcing the rigidity of the sheet metal frame 6a. The center frame 3c is painted if it is effective in design.
Moreover, since both the center frame 3c and the sheet metal frame 6a are made of metal, they have excellent thermal conductivity. And since the back side is exposed outside both members, the heat which generate | occur | produces inside the housing | casing of 50 A of image display apparatus main bodies is directly and efficiently thermally radiated outside.
As shown in FIG. 1, the base portion 3f of the center frame 3c is continuous with the left and right R covers 3d and 3e in the exposed state on the same plane of the reference back surface 3b as in the right R cover 3d and the left R cover 3e. It is attached to form a flat surface.
That is, the center frame 3c is configured as a part of the housing 4, and the center frame 3c has a base portion 3f that is a minimum of the reference front surface 2b and the reference back surface 3b in order to reduce the thickness of the image display device main body 50A. It is attached so as to maintain the distance TK.

  FIG. 4 is a perspective view for explaining the center frame 3c.

The center frame 3c is connected to the base 3f for connecting and reinforcing the top side and the ground side of the sheet metal frame 6a on the back surface of the liquid crystal module 1, and the long side of the base 3f. The thickness of the base 3f A right cover connecting portion 3ga and a left cover connecting portion 3gb extending in a flange shape in the direction, an L-shaped right R cover abutting portion 3ha connected to the inside of the back side of the base portion 3f and extending in parallel with the base portion 3f, and The left R cover abutting portion 3hb has a protrusion 3i protruding along the extending direction of the base 3f on the back side of the base 3f.
The protruding portion 3 i extends in the vertical direction in the image display device main body 50.
Further, an upper base fixing bracket connecting portion 3j is fixed to the base portion 3f near the top side, and a lower base fixing bracket connecting portion 3k is fixed near the ground side by male screws.
The upper pedestal fixing bracket connecting portion 3j and the lower pedestal fixing bracket connecting portion 3k are provided when the image display device main body 50A is not supported by the pedestal portion 50B, that is, only the image display device main body 50A is installed. When the projector is suspended from the ceiling, it is not installed on the base 3f.

The right R cover 3d has a flange portion 3d1 on the side facing the left R cover 3e (see FIG. 3). The right R cover 3d has a flange portion 3d1 in the L-shaped space formed by the right cover connecting portion 3ga, the base portion 3f, and the right R cover abutting portion 3ha shown in FIG. 4 with respect to the center frame 3c. It is fixed by being fitted.
The left R cover 3e also has a flange portion 3e1 on the side facing the right R cover 3d (see FIG. 3). The left R cover 3e has a flange portion 3e1 in the L-shaped space formed by the left cover connecting portion 3gb, the base portion 3f, and the left R cover abutting portion 3hb shown in FIG. 4 with respect to the center frame 3c. It is fixed by being fitted.

Since the center frame 3c is provided with the protrusion 3i, the center frame 3c maintains high strength while being lightweight.
Further, a portion corresponding to the back side of the base portion 3f, that is, between the back side of each of the right R cover contact portion 3ha and the left R cover contact portion 3hb and the protruding portion 3i, is an upper and lower portion extending in parallel with the long side of the base portion 3f. A pair of upper and lower through grooves 3 ia and 3 ib that are directional spaces are formed. The upper and lower through grooves 3 ia and 3 ib guide heat upward (described in detail later) to the inside of the backlight unit 6 and the center frame 3 c to efficiently dissipate the heat to the outside of the housing.
The upper and lower through grooves 3 ia and 3 ib provided in the center frame 3 c are not limited to the shape of the present embodiment, and modifications can be applied without departing from the scope of the present invention.

In FIG. 4, an upper pedestal fixing bracket connecting portion 3j and a lower pedestal fixing bracket connecting portion 3k are metal members, and are formed by die casting, for example.
The upper pedestal fixing bracket connecting portion 3j and the lower pedestal fixing bracket connecting portion 3k are arranged and fixed at positions that are substantially symmetrical with respect to the central portion in the longitudinal direction of the center frame 3c.
The fixing position is not limited, and as will be described later, the upper pedestal fixing bracket connecting portion 3j may be disposed closer to the longitudinal center of the center frame 3c.
In any form, both connection parts 3j and 3k are spaced apart from each other in the longitudinal direction of the center frame 3c.

Further, as shown in FIG. 10, the pedestal fixing bracket 3a of the pedestal portion 50B shown in FIG. 1 includes an upper pedestal fixing bracket connecting portion 3j and a lower pedestal fixing bracket connecting portion 3k attached to the center frame 3c. A metal upper center frame connecting portion 3p and a lower center frame connecting portion 3q are fixed at corresponding positions.
Then, the upper pedestal mounting portion 3m1 in the upper pedestal fixing bracket connecting portion 3j and the lower pedestal mounting portion 3m2 in the lower pedestal fixing bracket connecting portion 3k are respectively placed and fitted into the upper and lower center frame connecting portions 3p and 3q. Thus, the image display device main body 50A is supported by the pedestal 50B. Here, the upper pedestal installation part 3m1 and the lower pedestal installation part 3m2 are both recessed, and the image display apparatus main body 50A has a structure capable of swinging (swivel operation) in the left-right direction with respect to the pedestal part 50B. ing. Details of this structure will be described later.

FIG. 5 is a perspective view for explaining the internal structure of the back side of the display module 1, and is a perspective view of the state in which the left R cover 3e and the right R cover 3d are removed as viewed obliquely from the lower right side on the back side. .
FIGS. 6 to 8 are partial enlarged views for explaining a mounting portion of the display module 1 and the center frame 3c.
Specifically, FIG. 6 is a perspective enlarged view of the top side region DT1 in FIG.
FIG. 7 is an enlarged perspective view of the central region DT2 in FIG.
FIG. 8 is a perspective enlarged view of the ground-side region DT3 in FIG.

In FIG. 5, the sheet metal frame 6 a is constituted by a frame formed by die-casting using a light metal such as aluminum, for example, in order to reduce the thickness and weight of the entire liquid crystal module 1.
In this case, the strength and rigidity of the image display device main body 50A is the conventional one, that is, a frame-shaped metal bezel, the metal bezel and the sheet metal frame are formed of iron, and the liquid crystal module is relatively thick. On the other hand, there are concerns that cannot be maintained equally.
Therefore, a metal ceiling reinforcing sheet metal 6b is installed on the frame part in the top longitudinal direction of the sheet metal frame 6a (see FIGS. 5 and 6), and a metal ground reinforcement is formed on the frame part in the ground side longitudinal direction of the sheet metal frame 6a. It is preferable to improve the rigidity by installing a sheet metal 6c (see FIGS. 5 and 8). The top reinforcing sheet metal 6b and the ground reinforcing sheet metal 6c are, for example, beams having a L-shaped or U-shaped cross section.

In addition, a pair of metal top and bottom coupling reinforcing metal plates 6d and 6e that connect the top reinforcing sheet metal 6b and the ground reinforcing metal plate 6c are installed on the sheet metal frame 6a, and the pair of top and bottom coupling reinforcing metal plates 6d and 6e are connected to each other. By installing the left and right ground joint reinforcing sheet metal 6f on the sheet metal frame 6a and fixing the center frame 3c to the sheet metal frame 6a, the strength and rigidity of the image display apparatus main body 50A can be further improved.
Note that the four female screw portions 3n in FIG. 1 are separately attached on the top and bottom connecting reinforcing sheet metals 6d and 6e (not shown in FIG. 5).
The various metal reinforcing sheet metals (6b to 6f) described above are formed of a lightweight metal such as aluminum.

As described above, by providing a structure in which various metal reinforcing sheet metals (6b to 6f) are provided to enhance the rigidity, the rigidity of the image display device main body 50A can be maintained even if the frame member is reduced in weight.
In addition, by making the sheet metal frame 6a, the reinforcing sheet metals (6b to 6f), and the base fixing bracket 3a of the base part 50B all made of metal, it has excellent thermal conductivity and can have the entire function of a heat sink. The heat generated inside the housing of the image display device main body 50A can be directly and efficiently radiated to the outside of the image display device main body 50A.

Further, the center frame 3c is attached to the liquid crystal module 1 to increase the rigidity of the liquid crystal module 1, and the back surface of the base 3f of the center frame 3c is installed on the same plane as the reference back surface 3b. Since the internal capacity is reduced as much as possible, the thickness of the image display device main body 50A can be maintained at the minimum thickness TK, and the image display device main body 50A can be reduced in weight and thickness. Yes.
Further, an upper pedestal fixing bracket connecting portion 3j and a lower pedestal fixing bracket connecting portion 3k are provided on the upper side and the lower side of the center frame 3c, respectively, via the upper pedestal fixing bracket connecting portion 3j and the lower pedestal fixing bracket connecting portion 3k. Since the pedestal part 50B supports the image display device main body 50, the load does not concentrate on a part of the backlight part 6, and the luminance uniformity of the screen is reduced due to the warp or distortion of the backlight part 6. The possibility that the quality of the displayed image is impaired is reduced.
In addition, it is preferable that the plurality of pedestal fixing bracket connecting portions be installed at positions that are symmetric with respect to the longitudinal center portion of the center frame 3c.

Even when only the image display device main body 50A is tilted forward and installed by a wall or a ceiling, the internal thread portion 3n is installed on the pair of top and bottom connecting reinforcing metal plates 6d and 6e, so the backlight portion The load is not concentrated on a part of 6, and the possibility that the quality of the display image is similarly lost is reduced.
As will be described later, if the top-side upper base fixing bracket connecting portion 3j of the plurality of base fixing bracket connecting portions 3j and 3k is fitted to the rotating shaft of the base portion 50B, The base fixing bracket connecting portion 3j may be installed closer to the center portion in the longitudinal direction (vertical direction) of the center frame 3c.

  Next, the attachment structure of the center frame 3c will be described in detail.

As shown in FIG. 6, the center frame 3 c is attached to the top side by bringing the center frame 3 c into contact with a fixing member (not shown) that fixes the backlight unit 6, and a pair of male screws ZZ 3 are respectively inserted into the through holes. It is carried out by passing through 3c1 and 3c2 (see FIG. 4) and fastening together with a pair of female screws (not shown) provided in the fixing member. Thereby, the top side of the center frame 3 c is fixed to the liquid crystal module 1.
In addition, the center frame 3 c has an F cover top side contact portion 3 gc (see FIG. 4) which is an end surface on the top side, which is in contact with the top surface inner portion of the F cover 2.
The F cover 2 and the fixing member of the backlight unit 6 are fastened and fixed together with male screws (not shown) on the top surface.

As shown in FIG. 6, a timing controller board 6 h for controlling the display of the liquid crystal panel 5 is provided on the top side of the back surface of the liquid crystal module 1.
The timing controller board 6h is covered with a metal timing controller shield 6g for shielding unwanted radiation generated from the timing controller board 6h.
The center frame 3c is provided with a timing controller shield fixing portion 3hc in a flange shape (see FIG. 4).
The timing controller shield fixing portion 3hc comes into contact with the vicinity of the center of the timing controller shield portion 6g.
The timing controller shield fixing part 3hc contacts the timing controller shield part 6g and transfers heat generated from the timing controller board 6h to the metal center frame 3c.
Thereby, the heat is directly radiated to the outside from the center frame 3c to the outside of the housing.

A driver substrate (not shown) for driving the TFT of each pixel of the liquid crystal panel 5 is provided on the top reinforcing sheet metal 6b.
In addition, in order to shield unnecessary radiation generated from the driver board, a metal driver shield cover 6i covers the driver board.
The driver shield cover 6i is fixed to be in contact with the top reinforcing sheet metal 6b by a driver shield cover holding part 6j, and the driver shield cover holding part 6j and the top reinforcing sheet metal 6b are fastened together by a male screw ZZ10.
The driver shield cover 6i is disposed so as to abut on the top side of the timing controller shield part 6g. After the heat generated from the driver board is transmitted to the driver shield cover 6i, the driver shield cover 6i transmits the timing controller shield part 6g. The structure is such that heat is radiated directly to the outside of the housing via the timing controller shield fixing part 3hc and the center frame 3c.

The center frame 3c has a structure that can be positioned and fixed to the left and right ground joint reinforcing sheet metal 6f near the center in the longitudinal direction.
After the center frame 3c is brought into contact with the left and right ground connection reinforcing sheet metal 6f, the male screw ZZ4 is inserted into the through holes 3c3, 3c4, 3c5 and 3c6 (see FIG. 4) and the left and right ground connection reinforcement corresponding to the positions of these through holes. The center frame 3c and the left and right ground joint reinforcing sheet metal 6f are fixed by inserting and fastening together with a female screw (not shown) of the sheet metal 6f.
The left and right ground joint reinforcing sheet metal 6f is in contact with the flat surface portion of the sheet metal frame 6a, transfers heat generated from the inside of the backlight unit 6 to the center frame 3c, and the inside of the display module 1 through the center frame 3c. The heat is directly and efficiently radiated to the outside.

  7 and 8 show the fixing structure between the center frame 3c and the sheet metal frame 6a for the center portion in the vertical direction and the ground side, respectively.

Four boss portions 6a1 to 6a4 are integrally projected on the sheet metal frame 6a (FIG. 7 shows the boss portions 6a1 and 6a2 and FIG. 8 shows the boss portions 6a3 and 6a4).
Center frame 3c is brought into contact with boss portions 6a1 and 6a2, and male screw ZZ5 is inserted into through holes 3c7 and 3c8 (see FIG. 4) and female screws (not shown) provided in boss portions 6a1 and 6a2 and tightened together. Thus, the center frame 3c is fixed to the sheet metal frame 6a.
Similarly, the center frame 3c is brought into contact with the boss portions 6a3 and 6a4, and the male screw ZZ6 is inserted into the through holes 3c9 and 3c10 (see FIG. 4) and female screws (not shown) provided in the boss portions 6a3 and 6a4. By fastening together, the center frame 3c is fixed to the sheet metal frame 6a.

  In FIG. 7, the thickness Td from the planar portion of the sheet metal frame 6a to the base 3f of the center frame 3c is determined by the substrate on which the signal processing circuit is mounted in the image display device main body 50A, the power supply unit, or the wiring between the substrates. Corresponds to the stored height.

  FIG. 8 shows a fixing structure between the center frame 3c and the ground reinforcing sheet metal 6c on the ground side of the back surface of the liquid crystal module 1.

A pair of bosses 6a5 and 6a6 project from the reinforcing sheet metal 6c attached to the sheet metal frame 6a at portions corresponding to the center frame 3c.
The center frame 3c is brought into contact with the boss portions 6a5 and 6a6, the male screw ZZ7 is inserted into the through holes 3c11 and 3c12 (see FIG. 4) provided in the center frame 3c, and the female screws provided in the boss portions 6a5 and 6a6 (see FIG. The center frame 3c is fixed to the reinforcing sheet metal 6c.

In addition, the F cover 2 and the center frame 3 c are fixed at the center of the ground side rear surface of the F cover 2.
The F cover 2 is integrally provided with a boss (not shown) at a portion corresponding to the through hole 3c13 (see FIG. 4) provided in the center frame 3c.
The center frame 3 c is fixed to the F cover 2 by bringing the center frame 3 c into contact with the boss of the F cover 2, inserting the male screw ZZ 8 through the through hole 3 c 13, and fastening together with the boss of the F cover 2.
In the above-described attachment of the center frame 3c, the center frame 3c is attached so that the F cover ground side abutting portion 3gd (see FIG. 4), which is the end surface on the ground side, abuts the ground side inner portion of the F cover 2. It is done.

Next, a connection structure between the image display device main body 50A and the pedestal portion 50B will be described in detail.
FIG. 9 is an external perspective view of the image display device 50 as seen from the slightly rear side on the right side.
FIG. 10 is a perspective exploded view for explaining a connecting portion between the base portion 50B and the center frame 3c.

  The upper pedestal fixing bracket connecting portion 3j, the upper center frame connecting portion 3p, the lower pedestal fixing bracket connecting portion 3k, and the lower center frame connecting portion 3q are collectively referred to as a connecting member.

  FIG. 9 is a diagram showing a state immediately before the image display device main body 50A is assembled to the pedestal 50B.

  The upper pedestal fixing bracket connecting portion 3j and the lower pedestal fixing bracket connecting portion 3k attached to the center frame 3c are connected to the upper center frame connecting portion 3p and the lower center frame connecting portion 3q attached to the pedestal fixing bracket 3a from above. The image display device is assembled by being mounted so as to be mounted in the direction of the arrow DR9, inserting the male screw ZZ9 into the upper base fixing bracket connecting portion 3j, and tightening the female screw 3p2m provided in the upper center frame connecting portion 3p together. The main body 50A is connected to the pedestal 50B.

As shown in FIG. 1, a space STB having a height TB is provided between the lower end portion of the image display device main body 50A and the upper surface of the bottom plate portion 3aa of the pedestal portion 50B.
By providing this space STB, it is possible to install a separate tuner box, recording / reproducing apparatus, or speaker device on the bottom plate portion 3aa of the pedestal portion 50B.
Further, by providing the space STB, it is possible to provide a device such as a speaker connected to the ground side of the image display device main body 50A.
In FIG. 9, the swivel operation of the image display device main body 50A is also performed for the gap between the front surface 3af of the pedestal fixing bracket 3a of the pedestal portion 50B (see also FIG. 10) and the reference back surface 3b of the image display device main body 50A. It is possible to install a separate tuner box, recording / reproducing apparatus, or speaker or the like with a thickness that does not interfere.

  FIG. 10 is a diagram for explaining in detail the member and assembly of the connecting portion.

The upper center frame connecting portion 3p and the lower center frame connecting portion 3q are fixed to the base fixing bracket 3a by inserting two male screws (not shown) and fastening them together.
Further, the upper pedestal fixing bracket connecting portion 3j and the lower pedestal fixing bracket connecting portion 3k are fixed to the center frame 3c by inserting two male screws (not shown) and fastening them together.

  In the following description, the assembly of the upper base fixing bracket connecting portion 3j to the lower base fixing bracket connecting portion 3k and the assembly of the lower base fixing bracket connecting portion 3k to the lower center frame connecting portion 3q are made independent for easy understanding. However, since the upper pedestal fixing bracket connecting portion 3j and the lower pedestal fixing bracket connecting portion 3k are actually fixed to the center frame 3c, in the operation of mounting the image display device main body 50A on the pedestal fixing bracket 3a. It is assembled at the same time.

As shown in FIG. 10, in the connecting portion of the top region DT4, first, the swivel washer 3p1 is fitted into the protruding portion 3p2 protruding in the direction of the axis CL3 provided in the upper center frame connecting portion 3p. This fitting is press-fitted. The swivel washer 3p1 is a resin member. For example, it is formed of POM (polyacetal) resin.
The axis CL3 is a line that is in the vertical direction when the pedestal 50B is installed horizontally.
As for the swivel washer 3p1, the uneven | corrugated | grooved part is continuously formed in the circumferential direction in the top part.
Further, a convex concave portion is continuously formed in the circumferential direction corresponding to the concave and convex portion of the swivel washer 3p1 on the top portion inside the upper base installation portion 3m1 of the upper base fixing bracket connecting portion 3j.

In the assembly, the upper base fixing bracket connecting portion 3j is placed on the upper portion of the upper center frame connecting portion 3p in which the swivel washer 3p1 is fitted. At this time, the concave and convex portions of the swivel washer 3p1 and the convex and concave portions of the upper base fixing bracket connecting portion 3j are engaged with each other.
Next, the male screw ZZ9 is inserted into the upper pedestal fixing bracket connecting portion 3j and the swivel washer 3p1 and fastened together with the female screw portion 3p2m of the upper center frame connecting portion 3p.
Even after the fastening, the swivel washer 3p1 rotates about the axis CL3 with respect to the upper center frame connecting portion 3p, so that the side wall 3j1 of the upper pedestal fixing bracket connecting portion 3j becomes the upper center frame connecting portion 3p. It can be rotated until it abuts against the standing side wall 3p3. That is, the rotation angle of the upper base fixing bracket connecting portion 3j is restricted by the side wall 3p3.

In the connecting portion of the ground side region DT5, first, the washer 3q1 is fitted from below into the through hole 3k1 of the lower pedestal fixing bracket connecting portion 3k. The washer 3q1 is fitted into the through hole 3k1 in a predetermined direction.
The washer 3q1 is a resin member and is formed of, for example, POM resin.
Next, the lower pedestal fixing bracket connecting portion 3k in which the washer 3q1 is fitted is fitted into the bottom 3q2 of the lower center frame connecting portion 3q. The bottom 3q2 is formed as a recessed surface having a shape slightly larger than the washer 3q1.

Here, the washer 3q1 is in a state of projecting downward to the lower part of the lower pedestal fixing bracket connecting portion 3k, and the thickness closer to the lower center frame connecting portion 3q is thinner than the far side. It has become.
Thus, the lower pedestal fixing bracket connecting portion 3k is easily pulled in after the lower pedestal fixing bracket connecting portion 3k contacts the lower center frame connecting portion 3q.
The ground-side connecting portion is not fastened by a male screw or the like, and has a structure in which the washer 3q1 rotates around the axis CL3 while contacting the surface of the bottom 3q2 of the lower center frame connecting portion 3q.
Then, it can be rotated counterclockwise and clockwise about the axis line CL3 until the side wall 3k2 of the lower pedestal fixing bracket connecting portion 3k contacts the side wall 3q3 provided upright on the lower center frame connecting portion 3q.

Here, when the image display device main body 50A is rotated around the axis line CL3 with respect to the pedestal portion 50B, the rotation shaft is designed so that the rotation torque is applied only to the coupling member on the top side.
That is, since the swivel washer 3p1 is press-fitted into the protruding portion 3p2 as described above, when the user tries to change the left and right direction of the image display device main body 50A, the rotational torque is set as an appropriate drag force. Has come to occur.
Further, as described above, the male screw ZZ9 is inserted into the upper pedestal fixing bracket connecting portion 3j and the swivel washer 3p1 and fastened together with the female screw portion 3p2m of the upper center frame connecting portion 3p, so that the swivel washer 3p1 and the protruding portion 3p2 Rotational torque generated between the two can be increased. The male screw ZZ9 is made of metal.
With this configuration, the rotational torque generated by press fitting and the rotational torque generated by tightening the male screw ZZ9 can be generated on the same rotational axis between the same members of the upper base fixing bracket connecting portion 3j. It has a compact swivel structure.
Note that it is preferable that the top-side and ground-side connecting members are installed at positions that are symmetric with respect to the central portion in the longitudinal direction of the center frame 3c in consideration of the balance of the center of gravity of the image display device main body 50A.

  In the present embodiment, the pedestal portion 50B is made of an iron material having a large specific gravity with respect to the bottom plate portion 3aa, and the pedestal fixing bracket 3a and each connecting member are all made of a lightweight metal member such as aluminum. . Since a support column having a width and a weight is not used for the pedestal part, the weight of the pedestal part 50B itself can be reduced.

  Next, an assembly structure of the F cover 2 and the R cover 3 in the image display apparatus main body 50A will be described in detail.

FIG. 11 is a perspective view showing the F cover 2 and the R cover 3, and FIG. 12 is a perspective view showing a state in which the F cover 2 and the R cover 3 are assembled.
As shown in FIG. 11, the R cover 3 includes a right R cover 3d, a left R cover 3e, and a center frame 3c. However, the present invention is not limited to this, and the R cover 3 is integrated. You may be comprised by the resin-made members of various shapes.

As described above, the F cover 2 has the reference front surface 2b formed in a frame shape. The R cover 3 has a reference back surface 3b formed in a substantially rectangular shape.
The F cover 2 and the R cover 3 have a U-shape or a U-shape, respectively. The F cover 2 has a bent portion connected to two sides on the long side, and the R cover 3 has a bent portion connected to two sides on the short side.
The F cover 2 and the R cover 3 are arranged in a U shape and an inverted U shape so as to face each other, and the bent portion of the F cover 2 is 90 degrees with respect to the bent portion of the R cover 3. Are arranged perpendicularly to each other and assembled. A detailed assembly method will be described later.

The casing 4 (F cover 2 and R cover 3) made of a resin molded member is formed and arranged in the above-described shape, and assembled as a configuration to be described later, so that each resin casing 4 is cooled after injection molding. In this case, it is possible to increase the allowable range of the thermal shrinkage variation generated individually, and to absorb the molding variation in manufacturing the housing 4.
In the present embodiment, as a preferable configuration for absorbing the above molding variation, the bent portion of the F cover 2 is connected to the long side, and the bent portion of the R cover 3 is connected to the short side. However, the shape is not limited to this, and the bent portion of the F cover 2 may be connected to the short side, and the bent portion of the R cover 3 may be connected to the long side.

  FIG. 13 is an enlarged view of the ground side region DT6 in FIG.

In FIG. 13, the F cover 2 is provided with a through hole 2s for fixing to the right R cover 3d. As shown in FIG. 16, two through holes 2s are provided on the right side of the ground side.
Although not shown, two through holes 2s are provided symmetrically on the left side of the ground side.

When the F cover 2 and the right R cover 3d are assembled, the through hole 2t is used when the slide bracket 20 as a fitting member shown in FIG. 14 is tightened with the male screw ZZd. This will be described later.
Although not shown, the through hole 2t is also provided symmetrically on the left side of the ground side.

The F cover 2 has a flange portion 2tuba that protrudes in the same direction substantially orthogonal to the frame portion 2c at the respective edge portions on the top side and the ground side.
Further, the R cover 3 has a bent portion 3mage that is curved toward the F cover 2 side at the respective edge portions on the left and right side surfaces.
As shown in FIG. 13, when the F cover 2 and the right R cover 3d are assembled, the end 2p of the flange 2tuba on the long side of the F cover 2 and the end 2q on the short side of the F cover 2 However, the design is such that the structure is exposed to the outside.
Similarly, when the F cover 2 and the left R cover 3e are assembled, the end 2p on the long side of the F cover 2 and the end 2q on the short side of the F cover 2 are exposed to the outside. The design is structured.

That is, the design is such that the long-side end and the short-side end of the right R cover 3d are not exposed to the outside and are housed inside the F cover 2 (inside the housing 4). It is said.
Similarly, the end portion on the long side and the end portion on the short side of the left R cover 3e are not exposed to the outside, and are structured to be housed inside the F cover 2 (inside the housing 4). Designed.

  By adopting such a structure, it is possible to absorb the molding variation in manufacturing the housing 4 described above, and at least when the user is viewing the display surface 1a, the front of the housing 4 is easy to touch. The structure is such that the end is not visible. Further, since the joint surface of the F cover 2 and the R cover 3 is aligned, the exterior surface of the image display device main body 50A has a flat structure including the end portion, so that the appearance quality of the entire image display device is extremely high. And the interior is improved.

FIG. 14 is an exploded view of the right rear surface of the image display device 50A, and shows a state before the slide bracket 20 used for assembling the F cover 2 and the right R cover 3d is attached to the F cover 2. It is.
Although the illustration is simplified in FIG. 14, the F cover 2 side portion shows a state in which the liquid crystal module 1 and the center frame 3c are respectively mounted as shown in FIG.
In the following description, the method for assembling the right rear surface of the image display device main body 50A will be described. However, since the method for assembling the left rear surface of the image display device main body 50A can be described in the same way, the left side of the image display device main body 50A. The illustration and description of the back surface will be omitted.

FIG. 15 is a perspective enlarged view of the top side region DT7 in FIG. 14 as viewed from the direction of the arrow Ya. FIG. 16 is a perspective enlarged view of the ground-side region DT8 in FIG. 14 viewed from the direction of the arrow Yb.
17 is an enlarged perspective view of the ground side portion (area DT6 in FIG. 12) in FIG.

  In FIG. 14, before attaching the right R cover 3 d to the F cover 2 to which the liquid crystal module 1 is attached, first, the slide bracket 20 is attached to the right side surface on the short side on the back surface of the F cover 2.

The slide bracket 20 is formed by pressing a metal plate material. The base 20a has an elongated, substantially rectangular shape, a first bent portion 20b connected to one long side of the base 20a, and a first bent portion 20b. It has the fitting part 20c, the 2nd bending part 20d, and the tongue piece part 20e which were connected with the other long side and formed in four places spaced apart in the longitudinal direction of the 1st bending part 20b.
The first bent portion 20b is formed to be bent at an angle of about 90 ° with respect to the base portion 20a.
The base portion 20a has four long holes 20f that are spaced apart in the longitudinal direction.

On the right side surface of the back surface of the F cover 2, an inner wall portion 2 u is provided for restricting and fixing the position of the liquid crystal module 1 in the left-right direction.
The base portion 20a of the slide bracket 20 is installed so that the surface on the back side thereof is in contact with the inner wall portion 2u of the F cover 2, and the first bent portion 20b is in contact with the back surface of the frame portion 2c of the F cover 2. Install as follows.

When the slide bracket 20 is attached to the F cover 2, a through hole (not shown) is provided in the inner wall 2u of the F cover 2 at a portion corresponding to the long hole 20f. (Not shown) is provided.
After the base 20a of the slide bracket 20 is brought into contact with the inner wall 2u of the F cover 2, a male screw ZZa with a washer is inserted into the long hole 20f and the through hole of the inner wall 2u, and the slide bracket 20 is inserted into the female screw of the liquid crystal module 1. And the F cover 2 are fastened together to fix the slide bracket 20.

  Normally, the side surface on the short side of the liquid crystal module 1 is preliminarily screwed and fixed to the liquid crystal panel 5 and the backlight unit 6 inside the liquid crystal module 1. However, in the configuration of this embodiment, the side surface of the liquid crystal module 1 is fixed. The screw fixing and screw fixing with the F cover 2 via the slide bracket 20 can also be fixed together with the same male screw ZZa, so that the number of parts of the male screw can be substantially reduced. . In addition, since the screws are not exposed on the appearance surface (left and right side surfaces) of the R cover 3, the appearance quality of the image display device 50 is extremely high.

  Next, a method for attaching and fixing the right R cover 3d to the F cover 2 to which the liquid crystal module 1 is attached will be described.

First, the flange portion 3d1 of the right R cover 3d is positioned slightly to the right R with respect to the L-shaped space formed by the right cover connecting portion 3ga, the base portion 3f, and the right R cover abutting portion 3ha of the center frame 3c. The cover 3d is inserted while being inclined obliquely (see FIGS. 3 and 4).
As shown in FIG. 15, two through holes 2 r for fixing to the right R cover 3 d are provided on the right side of the top surface side of the F cover 2.
Although not shown, two through holes 2r are provided symmetrically on the left side of the top side.

As shown in FIG. 15, after the right R cover 3d is fitted to the center frame 3c, the male screw ZZb is inserted into the through hole 2r and the female screw 3da provided in the right R cover 3d at two places on the top side. By fastening together, the F cover 2 and the R cover 3 are fixed.
Further, as shown in FIG. 16, the F cover 2 is similarly tightened by inserting the male screw ZZc into the through hole 2 s and the female screw 3 db provided in the right R cover 3 d at two locations on the ground side. And the R cover 3 are fixed.

  Next, a method for fitting and fixing the F cover 2 and the right R cover 3d by the slide bracket 20 will be described.

17A is a view showing a state before the F cover 2 and the right R cover 3d are fitted by the slide bracket 20, and FIG. 17B is a view showing the F cover 2 and the right R cover 3d. It is a figure which shows the state after fitting with the slide bracket. In FIG. 17, the right R cover 3d is not shown.
Actually, since the F cover 2 and the right R cover 3d are fitted by the slide bracket 20 inside the housing 4, the fitting portion cannot be visually recognized from the outside. For the sake of convenience, the following description will be made in detail, including a drawing using some parts related to the fitting portion in the right R cover 3d, a drawing of a cross-sectional image of the fitting portion, and the like.

FIG. 18 is a partial perspective view showing the structure of the back side of the right R cover 3d.
Moreover, FIGS. 19-22 is the elements on larger scale which expanded and showed DT9 which is a one part area | region of the fitting part in FIG.
In the following description, the fitting portions in the other three locations of the region DT9 have the same structure and attachment method, and thus description thereof will be omitted as appropriate.

As shown in FIG. 17, the slide bracket 20 has a structure that can slide in the DR17 direction along the long hole 20f of the base portion 20a.
As shown in FIG. 14, fitted portions 2 v are provided on the F cover 2 at four locations corresponding to the fitting portion 20 c, the second bent portion 20 d, and the tongue piece portion 20 e of the slide bracket 20. . The fitted portion 2v is formed on the back surface of the frame portion 2c of the F cover 2 slightly closer to the outer edge.
Further, as shown in FIG. 18, fitted portions 3 dc are respectively provided at four portions corresponding to the fitted portions 2 v near the side portion inside the back surface of the right R cover 3 d. Therefore, both the fitted portion 2v and the fitted portion 3dc are not exposed to the outside and are formed inside the housing 4.
When the slide bracket 20 is slid from the top side toward the ground side, the fitting portion 20c, the second bent portion 20d, and the tongue piece portion 20e of the slide bracket 20 are fitted to the fitted portion 2v provided on the F cover 2 and the covered portion. It has a structure fitted to the fitting portion 3dc. The structure of the fitting part will be described later.

A female screw portion 20g is formed on the ground side surface of the slide bracket 20 by burring.
The female screw portion 20g is formed at either end of the base portion 20a of the slide bracket 20. That is, the female screw portion 20 g is formed on the surface on the short side of the slide bracket 20.
In the present embodiment, the female screw portion 20g is formed on the ground side surface, but may be formed on the top side surface.
A long male screw ZZd is inserted from the outside of the housing 4 and fastened to the through hole 2t and the female screw portion 20g of the F cover 2 to slide the slide bracket 20 from the top side toward the ground side.

FIG. 19 is a cross-sectional image view of the positional relationship when the fitted portion 2v of the F cover 2 and the fitted portion 3dc of the right R cover 3d are fitted by the slide bracket 20 as seen from the right side. . Moreover, the cross-sectional image of the fitting part 20c of the slide bracket 20 directly related to fitting with the to-be-fitted part 2v and the to-be-fitted part 3dc is shown.
Note that FIG. 21 also shows a cross-sectional image view similar to FIG.

As shown in FIG. 19, the fitted portion 2v of the F cover 2 and the fitted portion 3dc of the right R cover 3d are claw portions 2va of the F cover 2 and the right R cover when viewed in the vertical direction in FIG. The position of the 3d claw portion 3dd is almost the same positional relationship.
Further, as shown in FIGS. 19 and 21, the fitting portion 20c of the slide bracket 20 is viewed from the front-rear direction (thickness direction of the image display device main body 50A), and the inclined portion 2vb (from the inclined position 2vb0) of the F cover 2. 2vb1) and the inclined portion 3de of the right R cover 3d (on the line from the inclined positions 3de0 to 3de1).

FIG. 20A is a diagram showing a state before the F cover 2 and the right R cover 3d are fitted by the slide bracket 20, and FIG. 20B shows the slide bracket 20 moving in the DR20 direction. It is a figure which shows the state after fitting F cover 2 and the right R cover 3d with the slide bracket 20. FIG. In FIG. 20, only the fitted portion 3dc is shown for the right R cover 3d for convenience of explanation.
The state of FIG. 20 (a) is the same as the state of FIG. 21 (a) and FIG. 22 (a). Further, the state of FIG. 20B is the same as the state of FIG. 21B and FIG.
22A is a view of the Aa cross section in FIG. 21A as viewed from the reference back surface 3b in the reference front surface 2b direction, and FIG. 22B is a cross-sectional view of FIG. It is the figure which looked at the b cross section from the reference | standard back 3b to the reference | standard front 2b direction.

In FIG. 20, the fitting portion 20c of the slide bracket 20 is connected to the second bent portion 20d on a long side different from the long side connected to the first bent portion 20b.
A tongue piece 20e connected to one short side is formed at the tip of the second bent portion 20d.
The second bent portion 20d is formed to be bent at an angle of about 90 ° with respect to the first bent portion 20b and the fitting portion 20c, and is formed to be substantially parallel to the base portion 20a.
The tongue piece 20e is formed so as to be inclined at an angle of about 30 degrees with respect to the second bent portion 20d. Note that the angle of the tongue piece 20e may be appropriately set according to the screen size of the screen display device main body 50A, that is, the manufacturing variation due to the size of the resin casing 4.

When the slide bracket 20 is attached to the F cover 2 with the male screw ZZa, the long side of the first bent portion 20b on the fitting portion 20c side is substantially in contact with the back side of the fitted portion 2v of the F cover 2. The positional relationship is established (see also FIG. 22).
Thus, when the fitted portion 2v of the F cover 2 and the fitted portion 3dc of the R cover 3 are fitted by the slide bracket 20, the left side (liquid crystal) The first bent portion 20b plays a role of suppressing the fitted portion 2v against the force drawn into the module).

In the embodiment of the present invention, when the F cover 2 and the right R cover 3d are fitted and fixed by the slide bracket 20 in order to absorb molding variations due to heat shrinkage in manufacturing the resin casing 4, Both the structure that absorbs the molding error amount in the longitudinal direction of the R cover 3 (left and right direction of the right R cover 3d) and the structure that absorbs the molding error amount in the thickness direction (front and rear direction) of the image display device main body 50A. It has.
21 is a diagram for explaining a structure that absorbs a molding error amount in the thickness direction (front-rear direction) of the image display device main body 50A, and FIG. 22 is a longitudinal direction of the R cover 3 (right R cover). It is a figure for demonstrating the structure which absorbs the shaping | molding error amount by (3d left-right direction).

FIG. 21A shows a state in which the F cover 2 and the right R cover 3d are in contact with each other without error in the front-rear direction.
When the fitting portion 20c of the slide bracket 20 is slid in the DR21 direction from the state shown in FIG. 21A, the fitting portion 20c is moved to the inclined position 2vb1 of the inclined portion 2vb of the F cover 2 as shown in FIG. And to the inclined position 3de1 of the inclined portion 3de of the fitted portion 3dc.
When the fitting portion 20c slides to the inclined position 2vb1 and the inclined position 3de1, the fitting portion 20c is completely fitted to the fitted portion 2v and the fitted portion 3dc.
As a result, in the assembly of the F cover 2 and the R cover 3, there is no gap in the front-rear direction between the F cover 2 and the R cover 3 even if the structure is not screwed to the reference front surface 2b or the reference back surface 3b. Can be assembled.
The space (width) created by the inclined position 2vb1 and the inclined position 3de1 is set to a width that is substantially the same as the plate thickness of the fitting portion 20c of the slide bracket 20 at the maximum.

  Next, attachment in a state where the F cover 2 and the right R cover 3d are displaced (gap) in the front-rear direction will be described.

In FIG. 21A, when the right R cover 3d has a molding error and is slightly contracted from the normal length in the front-rear direction (at the rear position), or at the time of assembly, the right R cover 3d Since the F cover 2 and the right R cover 3d are placed on the rear side of the normal position due to incomplete contact with the F cover 2, there is a state in which a gap occurs in the front-rear direction. Assume.
In the state where such a gap is generated, as shown in FIG. 21A, the displacement amount of the fitted portion 3dc is an allowable width Tz from the normal position to the inclined position 2vb0 of the fitted portion 2v. If it is within, it can be fitted by fastening the male screw ZZd.
When the fitting part 20c slides in the DR21 direction, the fitting part 20c comes into contact with any part of the line from the inclined positions 3de0 to 3de1 with respect to the fitted part 3dc, thereby fitting part 20c. Can be slid while pulling the right R cover 3d in the forward direction along the inclination from the inclination position 3de0 to the direction 3de1, and finally it is in a fitted state as shown in FIG. 21 (b). .
That is, by the sliding operation of the slide bracket 20, the F cover 2 and the left and right R covers 3d and 3e are pulled and combined so as to approach each other.

FIG. 22A shows a state in which the F cover 2 and the right R cover 3d are in contact with each other without error in the left-right direction.
When the fitting portion 20c of the slide bracket 20 is slid in the DR22 direction from the state of FIG. 22 (a), it slides to the position of FIG. 22 (b). This state shows a state in which the fitting portion 20c has been slid to the inclined position 2vb1 (the same applies to the inclined position 3de1) as described in FIG.
The state shown in FIG. 21B, that is, the fitted portion 2v of the F cover 2 and the fitted portion 3dc of the right R cover 3d are accommodated inside the fitted portion 20c of the slide bracket 20. Fully fitted.
Accordingly, in the assembly of the F cover 2 and the R cover 3, the lateral displacement between the F cover 2 and the R cover 3 is eliminated even if the structure is not screwed to the reference front surface 2b or the reference back surface 3b in terms of appearance design. As a result, the end of the R cover 3 can be assembled without being exposed to the reference front surface 2b.
The length (width) of the short side of the fitting portion 20c is substantially the same as the sum of the thickness of the fitted portion 2v of the cover 2 and the thickness of the fitted portion 3dc of the right R cover 3d. The width is such that

Next, attachment in a state where the F cover 2 and the right R cover 3d are displaced (gap) in the left-right direction will be described.
As shown in FIG. 22 (a), in both end portions of the tongue piece portion 20e of the slide bracket 20, the position corresponding to the connection portion with the second bending portion 20d is 20e1, and the position of the other end portion is 20e0. .

In FIG. 22A, if the right R cover 3d has a molding error and extends slightly outward (right side) from the normal position in the left-right direction, or when assembling, the right R cover 3d is attached to the F cover. It is assumed that the state in which the right R cover 3d is placed slightly outside (on the right side) from the normal position in the left-right direction due to incomplete contact with 2 occurs.
Thus, in the state where the right R cover 3d is placed at the right side position with respect to the F cover 2, as shown in FIG. 22 (a), the positional deviation amount of the fitted portion 3dc is a normal position. Can be fitted by fastening the male screw ZZd within the allowable width Tx from the position 20e0 to the position 20e0 of the tongue piece 20e.
When the fitting part 20c slides in the DR22 direction, the fitted part 3dc comes into contact with any position on the line from the position 20e0 to the position 20e1 of the tongue piece part 20e, so that the fitted part 3dc becomes the position 20e0. Then, the right R cover 3d can be slid along the inclination in the direction of 20e1 while being pulled in the left direction, and finally, it is in a fitted state as shown in FIG.

With the above-described fitting structure, the F cover 2 and the R cover 3 that are the resin casings 4 have different thermal shrinkage amounts due to the occurrence of molding variations due to thermal shrinkage in manufacturing. Even in the assembled state, it is possible to simultaneously absorb the molding error amount in the thickness direction (front-rear direction) and the left-right direction of the image display device main body 50A with a simple configuration.
Further, as described in FIGS. 11 to 13, the F cover 2 and the R cover 3 are each formed with a U-shaped or U-shaped bent portion, and the U-shaped and U-shaped so as to face each other. The F cover 2 and the R cover 3 are arranged in an inverted U-shape, and the F cover 2 is bent at 90 degrees with respect to the bent portion of the R cover 3. It is possible to further widen the allowable range of the combination (allowable range of the combination of molding error amounts).
In this case, the long side end (2p) and the short side end (2q) of either cover (F cover 2 in the embodiment) are both exposed to the outside, and the other cover (implemented) In the example, it is possible to widen the above-described permissible range by adopting a structure in which the ends on the long side and short side of the R cover 3) are housed inside the housing 4.

Needless to say, the embodiment of the present invention is not limited to the above-described configuration and structure, and can be applied to a modified configuration without departing from the gist of the present invention.
In this embodiment, the slide bracket 20 is arranged on the short side of the housing 4. However, the present invention is not limited to this, and the slide bracket 20 may be arranged on the long side. .
In the present embodiment, the F cover 2 and the R cover 3 have a U-shape or U-shape, respectively. However, the present invention is not limited to this. For example, the F cover 2 has side walls on all four sides. It may have a structure in which the R cover 3 does not have a side wall. Alternatively, the F cover 2 and the R cover 3 may both have side walls on all four sides.
A more preferable configuration is to have a fitting structure in which the respective casings are combined in a U-shape or U-shape as described in the embodiment, and the combination of the F cover 2 and the R cover 3 This increases the possibility of reducing the probability of occurrence of defective products, that is, reducing the cost of the image display device 50.
According to the embodiment of the present invention and its modification, even when a housing made of a resin molded member is applied to a large-sized image display device to reduce the weight of the device, the manufacturing injection of the housing is performed. Since heat shrinkage errors due to molding can be absorbed, there is an effect that the cost, quality and assembly performance of the housing can be maintained.
Further, since the number of screw fastening points can be reduced when assembling the F cover and the R cover, the number of parts and assembly man-hours of the image display device can be reduced, and the aesthetic appearance of a large image display device can be reduced. There is an effect that it is possible to provide an image display device that is excellent in interior properties without impairing the above.

1 Liquid crystal module (display module)
1a Display surface 2 Front cover (F cover)
2a Opening window 2b Reference front face 2c Frame portions 2g, 2j, 2r, 2s, 2t Through holes 2p, 2q End portion 2u Inner wall portion 2v Fitted portion 2va Claw portion 2vb Inclined portion 2vb0, 2vb1 Inclined position 3 Rear cover (R cover)
3a Pedestal fixing bracket 3aa Bottom plate portion 3b Reference back surface 3c Center frame 3c1, 3c2, 3c3, 3c4, 3c5, 3c6, 3c7 Through hole 3c8, 3c9, 3c10, 3c11, 3c12, 3c13 Through hole 3d Right R cover 3d1, 3e1 Flange 3da, 3db Female thread portion 3dc Mated portion 3dd Claw portion 3de Inclined portion 3de0, 3de1 Inclined position 3e Left R cover 3f Base portion 3ga Right R cover connecting portion 3gb Left R cover connecting portion 3gc F cover top side abutting portion 3gd F cover Ground side contact part 3ha Right R cover contact part 3hb Left R cover contact part 3hc Timing controller shield fixing part 3i Projection part 3ia, 3ib Vertical through hole 3j Upper base fixing bracket connecting part 3j1 Side wall 3k Lower base fixing bracket connection Part 3k1 Through hole 3k2 Side wall 3m1 Upper base installation part 3m2 Lower base installation 3n female screw portion 3p on the center frame connecting portion 3p1 swivel washer 3p2 protrusion 3p2m internal thread 3p3 sidewall 3q under the center frame connecting portion 3q1 washer 3q2 bottom 3q3 sidewall 4 housing 5 a liquid crystal panel (display panel)
6 Backlight part 6a Sheet metal frame 6a1, 6a2, 6a3, 6a4, 6a5, 6a6 Boss part 6b Top reinforcement sheet metal 6c Ground reinforcement sheet metal 6d Top and bottom connection reinforcement sheet metal 6e Top and bottom connection reinforcement sheet metal 6g Left and right ground connection reinforcement sheet metal 6g Timing controller shield part 6h Timing controller board 6i Driver shield cover 6j Driver shield cover holding portion 20 Slide bracket 20a Base portion 20b First bent portion 20c Fitting portion 20d Second bent portion 20e Tongue piece portions 20e0, 20e1 Position 20f Long hole 20g Female screw portion 50 Image display device 50A Display panel (image display device body)
50B Pedestal part STB Space TK, Td Thickness TB Height Tx, Tz Allowable width ZZ3, ZZ4, ZZ5 Male thread ZZ6, ZZ7, ZZ8, ZZ9, ZZ10 Male thread ZZa, ZZb, ZZc, ZZd Male thread

Claims (4)

In the assembly structure of the housing for storing the rectangular flat plate-shaped object,
The housing is
A collar portion that has a rectangular outer shape and is disposed so as to cover at least a part of one surface side of the object to be stored, and protrudes toward the other surface side of each of the first pair of opposing edges. A first cover having:
An end face is provided on each of the second pair of edges, which are arranged to cover at least a part of the other surface side of the object to be stored with a rectangular outer shape, and do not correspond to the first pair of edges. A second cover having a bent portion bent to face the first cover;
With
The end surface of the bent portion of the second cover is in contact with or close to the inner surface of a third pair of edge portions different from the first pair of edge portions of the first cover. The end surfaces of the pair of edge portions different from the second pair of edge portions in the second cover are in contact with or approaching the inner surface of the flange portion in the first cover. An assembly structure of a housing, wherein one cover and the second cover are combined. The assembly structure of the housing according to claim 1,
A slide bracket provided on the inner surface of the third pair of edges in the first cover so as to slide along the edges;
Slide means connected to the slide bracket and sliding the slide bracket from the outside;
An engaging portion engaged with inner surfaces of the second pair of edge portions of the second cover so as to be guided in a direction approaching the first cover when the slide bracket slides;
An assembly structure of a housing characterized by comprising:   The assembly structure of the housing according to claim 1 or 2, wherein the first cover and the second cover are fastened with screws only at the flange portion.   An image display device having the assembly structure of the housing according to claim 1, wherein the object to be stored is an image display module.

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