JP2005333290A - Waterproof structure of display - Google Patents

Waterproof structure of display Download PDF

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JP2005333290A
JP2005333290A JP2004148565A JP2004148565A JP2005333290A JP 2005333290 A JP2005333290 A JP 2005333290A JP 2004148565 A JP2004148565 A JP 2004148565A JP 2004148565 A JP2004148565 A JP 2004148565A JP 2005333290 A JP2005333290 A JP 2005333290A
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protective member
display device
case body
liquid crystal
waterproof packing
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JP4534593B2 (en
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Takeo Kamiyama
剛男 神山
Hideaki Takeda
英明 武田
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Casio Computer Co Ltd
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Casio Computer Co Ltd
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Abstract

<P>PROBLEM TO BE SOLVED: To ensure waterproofness by a simple structure even for an increased display size. <P>SOLUTION: A transparent protector 6 is disposed through a waterproof packing 7 surrounding an display aperture 3 on a mounting frame 10 provided on the inner surface of a case body 1, and tightened to the case body 1 with a plurality of fixing screws 8 enough to compress the waterproof packing 7 with the protector 6 kept slidable in the plane direction. If strain is caused by the expansion coefficient difference between the case body 1 and the protector 6, the protector 6 slides in the plane direction with the waterproof packing 7 compressed, thus absorbing the strain caused by the expansion coefficient difference between the case body 1 and the protector 6. By this, waterproofness is secured even for an enlarged display screen of a liquid crystal display 2. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

この発明は、浴室などで使用するテレビや、屋外などで使用する電子カメラなどの電子機器に用いられる表示装置の防水構造に関する。   The present invention relates to a waterproof structure for a display device used in an electronic device such as a television used in a bathroom or an electronic camera used outdoors.

例えば、浴室で使用するテレビにおいては、表示装置を収納するケース本体を備え、このケース本体に表示用開口部を表示装置に対応させて設けると共に、このケース本体の外面に表示用開口部を塞ぐ透明な保護部材を接着テープで接着し、この状態で表示装置をケース本体の内面に防塵クッションを介して取り付けた構造になっている。
このようなテレビでは、ケース本体と保護部材板との材質が異なると、膨張係数（または収縮係数）が異なるため、この膨張率（または収縮率）の差によってケース本体と保護部材とを接着する接着テープに歪みが生じる。 For example, a television used in a bathroom includes a case main body that houses a display device, and the case main body is provided with a display opening corresponding to the display device, and the outer surface of the case main body closes the display opening. A transparent protective member is bonded with an adhesive tape, and in this state, the display device is attached to the inner surface of the case body via a dustproof cushion.
In such a television, since the expansion coefficient (or contraction coefficient) differs when the material of the case main body and the protection member plate is different, the case main body and the protection member are bonded to each other due to the difference in expansion coefficient (or contraction coefficient). The adhesive tape is distorted.

この場合、表示装置の表示サイズが６インチ程度に小さいと、ケース本体と保護部材とを接着する接着テープに歪みが生じても、その歪みを接着テープによって吸収することができる。しかし、表示装置の表示サイズが大きくなると、ケース本体と保護部材との膨張による差が大きくなり、これに伴って接着テープに生じる歪みも大きくなるため、その歪みを接着テープで吸収しきれず、接着テープの接着面に皺などによる隙間が発生し、その隙間から水や湿気が侵入する。   In this case, if the display size of the display device is as small as about 6 inches, even if distortion occurs in the adhesive tape that bonds the case body and the protective member, the distortion can be absorbed by the adhesive tape. However, as the display size of the display device increases, the difference due to expansion between the case body and the protective member increases, and as a result, the distortion generated in the adhesive tape also increases. A gap due to wrinkles or the like is generated on the adhesive surface of the tape, and water or moisture enters through the gap.

このような問題を解消する手段として、例えば、特許文献１の防水構造が開発されている。この特許文献１の防水構造は、ケース本体の表示用開口部を囲むように設けられた防水パッキンに透明な保護部材を当接させて表示用開口部を塞ぎ、この状態で複数の固定ねじによりケース本体にブラケットを取り付け、このブラケットによって透明な保護部材を防水パッキンに圧接させて取り付けるように構成されている。   As means for solving such a problem, for example, a waterproof structure of Patent Document 1 has been developed. In the waterproof structure of Patent Document 1, a transparent protective member is brought into contact with a waterproof packing provided so as to surround the display opening of the case main body to close the display opening, and in this state, a plurality of fixing screws are used. A bracket is attached to the case body, and the transparent protective member is pressed against the waterproof packing and attached by the bracket.

この場合、ケース本体にブラケットを複数の固定ねじで取り付けて、このブラケットで透明な保護部材を押え付けるときに、防水パッキンと固定ねじとを挟んで対向する部分に浮き上がり防止部を設け、この浮き上がり防止部にもブラケットを圧接させることにより、固定ねじを締め付けるときに、透明な保護部材が浮き上がらないようにしている。
特開２０００−７５３８２号 In this case, when the bracket is attached to the case body with a plurality of fixing screws and the transparent protective member is pressed down with this bracket, a floating prevention part is provided on the opposite side of the waterproof packing and the fixing screw. The bracket is also brought into pressure contact with the prevention portion so that the transparent protective member does not float when the fixing screw is tightened.
JP 2000-75382 A

しかしながら、このような特許文献１の防水構造では、表示装置の表示サイズが大きくなっても、ケース本体と保護部材との膨張率の差によって生じる歪みを吸収することはできるが、ケース本体にブラケットを複数の固定ねじで締結し、このブラケットによって透明な保護部材を押え付ける構成であるから、その取付時に透明な保護部材の浮き上がりを防ぐための浮き上がり防止部が必要となり、このため部品点数が増加し、構造が複雑で、組み立て作業も煩雑になり、製作コストが高くなるという問題がある。   However, in such a waterproof structure of Patent Document 1, even when the display size of the display device is increased, distortion caused by a difference in expansion coefficient between the case body and the protective member can be absorbed. Is fixed with multiple fixing screws, and the transparent protective member is pressed down by this bracket. Therefore, a lifting prevention part is required to prevent the transparent protective member from lifting when the bracket is installed, which increases the number of parts. However, there is a problem that the structure is complicated, the assembling work becomes complicated, and the production cost increases.

この発明が解決しようとする課題は、表示サイズが大きくなっても、簡単な構造で、防水性を確保することができる表示装置の防水構造を提供することである。   The problem to be solved by the present invention is to provide a waterproof structure for a display device that can ensure waterproofness with a simple structure even when the display size is increased.

この発明は、上記課題を解決するために、次のような構成要素を備えている。
なお、各構成要素には、後述する各実施形態の項で説明される各要素に付されている図面の参照番号などを括弧と共に付す。 In order to solve the above problems, the present invention includes the following components.
In addition, the reference numerals of the drawings attached to the respective elements described in the section of each embodiment described later are attached to the respective constituent elements together with parentheses.

請求項１に記載の発明は、図１〜図６に示すように、内部に収納された表示装置（液晶表示装置２）に対応する部分に表示用開口部（３、１３）が設けられたケース本体（１）と、このケース本体の外面と内面との一方の面に配置されて前記表示用開口部を塞ぐ透明な保護部材（６）と、前記ケース本体と前記保護部材との間に前記表示用開口部を囲んで配置された防水パッキン（７）と、この防水パッキンを前記保護部材で圧縮させた状態で、前記ケース本体と前記保護部材とをその面方向にスライド可能に締結する締結部材（固定ねじ８）とを備えたことを特徴とする表示装置の防水構造である。   In the first aspect of the invention, as shown in FIGS. 1 to 6, display openings (3, 13) are provided at portions corresponding to the display device (liquid crystal display device 2) housed therein. A case main body (1), a transparent protective member (6) disposed on one of the outer surface and the inner surface of the case main body to close the display opening, and between the case main body and the protective member The waterproof packing (7) disposed surrounding the display opening and the case main body and the protective member are slidably fastened in the surface direction in a state where the waterproof packing is compressed by the protective member. A waterproof structure for a display device comprising a fastening member (fixing screw 8).

請求項２に記載の発明は、図１〜図６に示すように、前記締結部材が複数の固定ねじ（８）を有し、前記ケース本体（１）には前記複数の固定ねじがそれぞれ螺着する複数のねじ穴（１２）が設けられ、前記保護部材（６）には、前記複数の固定ねじのうち、一つの固定ねじが挿入して前記保護部材を位置規制する位置規制孔（６ａ）と、他の固定ねじが面方向に相対的に移動可能に挿入する複数の逃がし孔（６ｂ〜６ｄ）とが設けられていることを特徴とする請求項１に記載の表示装置の防水構造である。   1 to 6, the fastening member has a plurality of fixing screws (8), and each of the plurality of fixing screws is screwed into the case body (1). A plurality of screw holes (12) to be worn are provided, and a position restricting hole (6a) for restricting the position of the protective member by inserting one of the plurality of fixing screws into the protective member (6). And a plurality of escape holes (6b-6d) into which other fixing screws are inserted so as to be relatively movable in the surface direction. It is.

請求項３に記載の発明は、図７〜図１０に示すように、内部に収納された表示装置（液晶表示装置２）に対応する部分に表示用開口部（３、２６）が設けられたケース本体（１）と、このケース本体の外面と内面との一方の面に配置されて前記表示用開口部を塞ぐ透明な保護部材（６）と、前記ケース本体と前記保護部材との間に前記表示用開口部を囲んで配置された防水パッキン（７）と、前記ケース本体に固定され、この状態で前記保護部材をその面方向にスライド可能に押え付けて前記防水パッキンを圧縮させる押え部材（２０）とを備えたことを特徴とする表示装置の防水構造である。   According to the third aspect of the present invention, as shown in FIGS. 7 to 10, display openings (3, 26) are provided in portions corresponding to the display device (liquid crystal display device 2) housed therein. A case main body (1), a transparent protective member (6) disposed on one of the outer surface and the inner surface of the case main body to close the display opening, and between the case main body and the protective member A waterproof packing (7) disposed so as to surround the display opening, and a pressing member which is fixed to the case body and presses the protection member so as to be slidable in the surface direction to compress the waterproof packing. (20). A waterproof structure for a display device.

請求項４に記載の発明は、図１〜図１０に示すように、前記表示装置（液晶表示装置２）と前記保護部材（６）との間に、防塵クッション（９）が配置されていることを特徴とする請求項１〜３のいずれかに記載の表示装置の防水構造である。   As shown in FIGS. 1 to 10, a dustproof cushion (9) is disposed between the display device (liquid crystal display device 2) and the protective member (6). The waterproof structure of the display device according to any one of claims 1 to 3.

請求項５に記載の発明は、図６および図１０に示すように、前記防水パッキン（７）と前記防塵クッション（９）とが一体に形成されていることを特徴とする請求項４に記載の表示装置の防水構造である。   As shown in FIGS. 6 and 10, the waterproof packing (7) and the dustproof cushion (9) are integrally formed as the invention described in claim 5. This is a waterproof structure of the display device.

請求項６に記載の発明は、図５、図６、図９、および図１０に示すように、前記ケース本体（１）の外面には、表示装置（液晶表示装置２）の表示画面（２ａ）に対応する開口部（カバー開口部１６、２８）が設けられたカバー部材（１５、２５）が少なくとも前記保護部材（６）を覆って取り付けられていることを特徴とする請求項１〜５のいずれかに記載の表示装置の防水構造である。   As shown in FIGS. 5, 6, 9, and 10, the invention described in claim 6 has a display screen (2 a) of a display device (liquid crystal display device 2) on the outer surface of the case body (1). The cover member (15, 25) provided with the opening (cover opening 16, 28) corresponding to the above is attached so as to cover at least the protective member (6). The waterproof structure of the display device according to any one of the above.

請求項１に記載の発明によれば、ケース本体の外面と内面との一方の面に、表示用開口部を囲む防水パッキンを介して透明な保護部材を配置し、この保護部材をケース本体に締結部材で締結するときに、保護部材で防水パッキンを圧縮させた状態で、保護部材をその面方向にスライド可能に締結したので、ケース本体と保護部材との膨張率の差によって歪みが生じても、保護部材が防水パッキンを圧縮させた状態で面方向にスライドすることにより、膨張率の差によって生じる歪みを確実に吸収することができる。   According to the first aspect of the present invention, the transparent protective member is disposed on one surface of the outer surface and the inner surface of the case main body via the waterproof packing surrounding the display opening, and the protective member is attached to the case main body. When fastening with the fastening member, the protective member is slidably slidable in the surface direction with the waterproof packing compressed with the protective member, so that distortion occurs due to the difference in expansion rate between the case body and the protective member. In addition, since the protective member slides in the surface direction in a state where the waterproof packing is compressed, it is possible to reliably absorb the distortion caused by the difference in expansion coefficient.

このため、表示装置の表示サイズを大きくして、ケース本体と保護部材との膨張率の差によって生じる歪みが大きくなっても、防水性を確保することができる。特に、締結部材によってケース本体に締結される保護部材が、直接、防水パッキンを押え付けるので、従来例のような透明な保護部材を押えるブラケットや、保護部材の浮き上がりを防ぐ浮き上がり防止部などの部品が不要となり、これにより部品点数を削減し、簡単な構造で、組み立て作業の簡素化を図り、低価格なものを得ることができる。   For this reason, even if the display size of the display device is increased and the distortion caused by the difference in expansion coefficient between the case main body and the protective member increases, waterproofness can be ensured. In particular, since the protective member that is fastened to the case body by the fastening member directly presses the waterproof packing, parts such as a bracket that holds the transparent protective member as in the conventional example and a lifting prevention portion that prevents the protective member from lifting up Thus, the number of parts can be reduced, the assembly work can be simplified with a simple structure, and an inexpensive product can be obtained.

請求項２に記載の発明によれば、締結部材が複数の固定ねじを有し、ケース本体には複数の固定ねじがそれぞれ螺着する複数のねじ穴が設けられ、保護部材には、複数の固定ねじのうち、一つの固定ねじが挿入して保護部材を位置規制する位置規制孔と、他の固定ねじが面方向に相対的に移動可能に挿入する複数の逃がし孔とが設けられていることにより、複数の固定ねじによって保護部材をケース本体にスライド可能に取り付けることができると共に、この保護部材によって防水パッキンをほぼ均一に圧縮させることができる。   According to the second aspect of the present invention, the fastening member has a plurality of fixing screws, the case main body is provided with a plurality of screw holes into which the plurality of fixing screws are respectively screwed, and the protection member has a plurality of screw holes. Among the fixing screws, there are provided a position restricting hole for inserting one fixing screw to restrict the position of the protective member, and a plurality of relief holes for inserting the other fixing screws so as to be relatively movable in the surface direction. Accordingly, the protective member can be slidably attached to the case main body by the plurality of fixing screws, and the waterproof packing can be compressed almost uniformly by the protective member.

このときには、複数の固定ねじを全て保護部材の位置規制孔および複数の逃がし孔に挿入させてケース本体の各ねじ穴に仮止めし、この状態で位置規制孔に挿入された固定ねじを締め付けた後、各逃がし孔に挿入された他の固定ねじを順次締め付ける。これにより、保護部材の各逃がし孔によって保護部材をその締め付け状態に応じて面方向にスライドさせることができるので、保護部材の浮き上がりを防ぐための浮き上がり防止部を用いなくても、保護部材によって防水パッキンをほぼ均一に圧縮させることができる。特に、締結部材として、固定ねじを用いているので、保護部材の着脱作業が容易にでき、これにより保守点検が簡単にできると共に、固定ねじを再利用することができるので、省資源化をも図ることができる。   At this time, the plurality of fixing screws are all inserted into the position restricting holes and the plurality of relief holes of the protective member, temporarily fixed to the screw holes of the case body, and the fixing screws inserted into the position restricting holes in this state are tightened. Thereafter, the other fixing screws inserted into the respective escape holes are sequentially tightened. Accordingly, the protective member can be slid in the surface direction according to the tightening state by the escape holes of the protective member, so that the protective member is waterproofed without using the lifting prevention portion for preventing the protective member from being lifted. The packing can be compressed almost uniformly. In particular, since a fixing screw is used as the fastening member, it is possible to easily attach and detach the protective member, thereby facilitating maintenance and inspection and reusing the fixing screw, thereby saving resources. You can plan.

請求項３に記載の発明によれば、ケース本体の外面と内面との一方の面に、表示用開口部を囲む防水パッキンを介して透明な保護部材を配置し、ケース本体に押え部材を取り付けて保護部材をケース本体に押え付けるときに、保護部材を面方向にスライド可能な状態で防水パッキンを圧縮させたので、ケース本体と保護部材との膨張率の差によって歪みが生じても、保護部材が防水パッキンを圧縮させた状態で面方向にスライドすることにより、膨張率の差によって生じる歪みを確実に吸収することができる。   According to the third aspect of the present invention, the transparent protective member is disposed on one surface of the outer surface and the inner surface of the case body via the waterproof packing surrounding the display opening, and the pressing member is attached to the case body. When the protective member is pressed against the case body, the waterproof packing is compressed with the protective member slidable in the surface direction, so even if distortion occurs due to the difference in expansion coefficient between the case body and the protective member When the member slides in the surface direction in a state where the waterproof packing is compressed, the distortion caused by the difference in expansion coefficient can be reliably absorbed.

このため、請求項１に記載の発明と同様、表示装置の表示サイズを大きくして、ケース本体と保護部材との膨張率の差によって生じる歪みが大きくなっても、防水性を確保することができる。特に、ケース本体に取り付けられた押え部材によって保護部材がケース本体にその面方向にスライド可能に押え付けられるので、従来例のような保護部材の浮き上がりを防ぐ浮き上がり防止部を用いなくても、防水パッキンを均一に圧縮させることができ、これにより部品点数を削減し、簡単な構造で、組み立て作業の簡素化を図り、低価格なものを得ることができる。   For this reason, as in the first aspect of the invention, even if the display size of the display device is increased and the distortion caused by the difference in expansion coefficient between the case main body and the protective member increases, the waterproof property can be ensured. it can. In particular, since the protective member is slidably pressed onto the case body by the presser member attached to the case body, it can be waterproofed without using a lifting prevention portion that prevents the protective member from lifting up as in the conventional example. The packing can be compressed uniformly, thereby reducing the number of parts, simplifying the assembly work with a simple structure, and obtaining a low cost.

請求項４に記載の発明によれば、表示装置と保護部材との間に防塵クッションが配置されていることにより、表示装置と保護部材との間に塵埃が侵入するのを防ぐことができると共に、表示装置と保護部材との間に空気空間が形成されるので、保護部材と表示装置との対向面における結露による曇りを防ぐことができ、これにより表示装置に表示された情報をケース本体の外部から良好に観察することができる。   According to the invention described in claim 4, since the dustproof cushion is disposed between the display device and the protection member, it is possible to prevent dust from entering between the display device and the protection member. In addition, since an air space is formed between the display device and the protective member, it is possible to prevent fogging due to dew condensation on the opposing surface of the protective member and the display device, and thus the information displayed on the display device can be displayed on the case body. It can be observed well from the outside.

請求項５に記載の発明によれば、防水パッキンと防塵クッションとが一体に形成されていることにより、防水パッキンと防塵クッションとの両者で防水性を確保することができるので、より一層、防水性を高めることができるほか、部品点数の更なる削減を図ることができ、これによっても構造の簡素化および組み立て作業の簡素化を図ることができ、より一層の低価格化を図ることができる。   According to the invention described in claim 5, since the waterproof packing and the dustproof cushion are integrally formed, the waterproofness can be ensured by both the waterproof packing and the dustproof cushion. In addition to improving the performance, the number of parts can be further reduced, which can also simplify the structure and simplify the assembling work, thereby further reducing the price. .

請求項６に記載の発明によれば、ケース本体の外面に、表示装置の表示画面に対応する開口部が設けられたカバー部材が少なくとも保護部材を覆って取り付けられていることにより、ケース本体の外面に保護部材を締結部材または押え部材によって取り付けても、カバー部材の開口部に対応する部分を除いて、カバー部材によって締結部材や押え部材、保護部材、あるいは防水パッキン、防塵クッションなどを覆い隠すことができ、これにより外観的にもデザイン的にも好ましいものを得ることができるので、商品価値を高めることができる。   According to the invention described in claim 6, the cover member provided with the opening corresponding to the display screen of the display device is attached to the outer surface of the case main body so as to cover at least the protection member. Even if the protective member is attached to the outer surface by a fastening member or a pressing member, the fastening member, the pressing member, the protective member, the waterproof packing, the dustproof cushion, etc. are covered by the cover member except for the portion corresponding to the opening of the cover member. As a result, a product that is favorable in appearance and design can be obtained, so that the commercial value can be increased.

（実施形態１）
以下、図１〜図３を参照して、この発明を液晶テレビに適用した実施形態１について説明する。
図１はこの発明の液晶テレビの外観斜視図、図２はその要部を示した拡大断面図、図３は図２の液晶表示装置および保護部材を示した裏面図である。
この液晶テレビは、図１に示すように、ケース本体１を備えている。このケース本体１の前面における中央部には、液晶表示装置２の表示画面が対応する表示用開口部３が設けられている。また、ケース本体１の前面における両側には、電源スイッチや音量スイッチ、選局スイッチなどの各種のスイッチ４が設けられており、このケース本体１の前面における下部両側には、それぞれスピーカ５が設けられている。 (Embodiment 1)
A first embodiment in which the present invention is applied to a liquid crystal television will be described below with reference to FIGS.
FIG. 1 is an external perspective view of a liquid crystal television of the present invention, FIG. 2 is an enlarged cross-sectional view showing the main part thereof, and FIG. 3 is a back view showing the liquid crystal display device and the protective member of FIG.
As shown in FIG. 1, the liquid crystal television includes a case body 1. A display opening 3 corresponding to the display screen of the liquid crystal display device 2 is provided at the center of the front surface of the case body 1. In addition, various switches 4 such as a power switch, a volume switch, and a channel selection switch are provided on both sides of the front surface of the case body 1, and speakers 5 are provided on both lower sides of the front surface of the case body 1, respectively. It has been.

また、このケース本体１の内部には、図２に示すように、ケース本体１の表示用開口部３を塞ぐ透明な保護部材６が防水パッキン７を介して配置されている。すなわち、この透明な保護部材６は、複数の固定ねじ８によってケース本体１の内面（図２では下面）に取り付けられており、この保護部材６の内面（図２では下面）には、液晶表示装置２が枠状の防塵クッション９を介して取り付けられている。これにより、液晶表示装置２は、その表示画面（表示領域）２ａがケース本体１の表示用開口部３に対応した状態で、ケース本体１内に配置されている。   Further, as shown in FIG. 2, a transparent protective member 6 that closes the display opening 3 of the case body 1 is disposed inside the case body 1 via a waterproof packing 7. That is, the transparent protective member 6 is attached to the inner surface (lower surface in FIG. 2) of the case body 1 by a plurality of fixing screws 8, and the liquid crystal display is provided on the inner surface (lower surface in FIG. 2) of the protective member 6. The device 2 is attached via a frame-shaped dustproof cushion 9. Thus, the liquid crystal display device 2 is arranged in the case body 1 with its display screen (display area) 2 a corresponding to the display opening 3 of the case body 1.

この場合、ケース本体１は、ＡＢＳ樹脂、ポリカーボネートなどの合成樹脂で形成されている。このケース本体１の表示用開口部３は、図２および図３に示すように、液晶表示装置２の表示画面２ａとほぼ同じ大きさに形成されており、この表示用開口部３の外周側に位置するケース本体１の内面（図２では下面）には、取付枠部１０が表示用開口部３を囲んで設けられている。また、透明な保護部材６は、ガラスまたはアクリル樹脂などの透明な合成樹脂からなり、図２および図３に示すように、液晶表示装置２よりも大きな平板状に形成され、ケース本体１の内面に設けられた取付枠部１０に表示用開口部３を塞いで配置されるように構成されている。   In this case, the case body 1 is formed of a synthetic resin such as ABS resin or polycarbonate. As shown in FIGS. 2 and 3, the display opening 3 of the case body 1 is formed to have substantially the same size as the display screen 2 a of the liquid crystal display device 2, and the outer peripheral side of the display opening 3. On the inner surface (lower surface in FIG. 2) of the case main body 1 located at the position 1, a mounting frame portion 10 is provided so as to surround the display opening 3. The transparent protective member 6 is made of a transparent synthetic resin such as glass or acrylic resin, and is formed in a flat plate shape larger than the liquid crystal display device 2 as shown in FIGS. The display opening 3 is closed and disposed on the mounting frame 10 provided in the frame.

防水パッキン７は、ゴムなどの弾性材料からなり、図２に示すように断面がほぼ円形状で、図３に示すように無端状に連続して形成され、ケース本体１の取付枠部１０に設けられた装着溝１１内に配置されるように構成されている。この場合、防水パッキン７は、その外径が装着溝１１の深さよりも少し大きく形成され、これにより挿入溝１１内に配置されたときに、その一部が装着溝１１から突出するように構成されている。   The waterproof packing 7 is made of an elastic material such as rubber, has a substantially circular cross section as shown in FIG. 2, is continuously formed in an endless manner as shown in FIG. 3, and is attached to the mounting frame portion 10 of the case body 1. It is configured to be disposed in the provided mounting groove 11. In this case, the waterproof packing 7 is formed so that its outer diameter is slightly larger than the depth of the mounting groove 11, and a part of the waterproof packing 7 protrudes from the mounting groove 11 when arranged in the insertion groove 11. Has been.

また、保護部材６の四隅のうち、一つの隅部（図３では左上隅部）には、図３に示すように、固定ねじ８が挿入して保護部材６を位置規制する位置規制孔６ａが設けられている。この位置規制孔６ａの横方向（同図では右方向）に位置する隅部（同図では右上隅部）には、横方向に細長い逃がし孔６ｂが設けられている。また、位置規制孔６ａの縦方向（同図では下方向）に位置する隅部（同図では左下隅部）には、縦方向に細長い逃がし孔６ｃが設けられている。さらに、位置規制孔６ａの対角線上に位置する隅部（同図では右下隅部）には、縦横方向（同図では上下左右方向）に大きい逃がし孔６ｄが設けられている。   Further, among the four corners of the protective member 6, as shown in FIG. 3, a fixing screw 8 is inserted into one corner (upper left corner in FIG. 3) to restrict the position of the protective member 6 as shown in FIG. Is provided. In the corner portion (upper right corner portion in the figure) located in the lateral direction (right direction in the figure) of the position regulating hole 6a, an elongated relief hole 6b is provided in the lateral direction. Further, in the corner portion (lower left corner portion in the figure) located in the longitudinal direction (downward direction in the figure) of the position restricting hole 6a, a long and narrow escape hole 6c is provided. Furthermore, a large relief hole 6d is provided in the vertical and horizontal directions (vertical and horizontal directions in the figure) at the corner (on the lower right corner in the figure) located on the diagonal line of the position regulating hole 6a.

また、この保護部材６の周縁部が配置される取付枠部１０には、図２に示すように、複数の固定ねじ８がそれぞれ螺着する複数のねじ穴１２が保護部材６の各孔６ａ〜６ｄに対応して設けられている。さらに、防塵クッション９は、図２に示すように、その断面形状がほぼ円形状に形成され、図３に示すように、液晶表示装置の表示画面２ａの外周側、および表示用開口部３の外周側に位置した状態で、枠状に連続して形成され、これにより液晶表示装置２と保護部材６との間に配置されるように構成されている。   Further, as shown in FIG. 2, a plurality of screw holes 12 into which a plurality of fixing screws 8 are respectively screwed are provided in the mounting frame portion 10 in which the peripheral edge portion of the protection member 6 is disposed, and each hole 6 a of the protection member 6. To 6d. Further, as shown in FIG. 2, the dustproof cushion 9 has a substantially circular cross section, and as shown in FIG. 3, the outer periphery of the display screen 2 a of the liquid crystal display device and the display opening 3. In a state of being positioned on the outer peripheral side, it is continuously formed in a frame shape, and is thereby arranged between the liquid crystal display device 2 and the protective member 6.

このような液晶テレビでは、ケース本体１の取付枠部１０に設けられた装着溝１１に防水パッキン７を配置した後、保護部材６をケース本体１の取付枠部１０に複数の固定ねじ８で取り付ける。このときには、まず、複数の固定ねじ８を全て保護部材６の位置規制孔６ａおよび複数の逃がし孔６ｂ〜６ｄにそれぞれ挿入させてケース本体１の取付枠部１０に設けられた各ねじ穴１２にそれぞれ仮止めする。この状態で、保護部材６の位置規制孔６ａに挿入された固定ねじ８を締め付けた後、保護部材６の各逃がし孔６ｂ〜６ｄにそれぞれ挿入された他の固定ねじ８を順次締め付ける。   In such a liquid crystal television, after the waterproof packing 7 is arranged in the mounting groove 11 provided in the mounting frame portion 10 of the case body 1, the protective member 6 is attached to the mounting frame portion 10 of the case body 1 with a plurality of fixing screws 8. Install. At this time, first, all of the plurality of fixing screws 8 are respectively inserted into the position restricting holes 6a and the plurality of escape holes 6b to 6d of the protection member 6, and are inserted into the screw holes 12 provided in the mounting frame portion 10 of the case body 1. Temporarily fix each. In this state, after fastening the fixing screw 8 inserted into the position restricting hole 6a of the protection member 6, the other fixing screws 8 respectively inserted into the escape holes 6b to 6d of the protection member 6 are sequentially tightened.

すなわち、保護部材６の位置規制孔６ａに挿入された固定ねじ８を締め付けると、この固定ねじ８によって保護部材６がケース本体１に位置規制される。この状態で、位置規制孔６ａの横方向に位置する固定ねじ８を締め付けるときには、防水パッキン７によって保護部材６が浮き上がっていても、またケース本体１のねじ穴１２に対し保護部材６の逃がし孔６ｂが位置ずれしていても、その横方向の逃がし孔６ｂによって保護部材６を横方向にスライドさせて所定位置に固定することができる。   That is, when the fixing screw 8 inserted into the position restricting hole 6 a of the protection member 6 is tightened, the position of the protective member 6 is restricted to the case body 1 by the fixing screw 8. In this state, when the fixing screw 8 positioned in the lateral direction of the position restricting hole 6a is tightened, the protective member 6 is released from the screw hole 12 of the case body 1 even if the protective member 6 is lifted by the waterproof packing 7. Even if 6b is displaced, the protective member 6 can be slid in the lateral direction and fixed at a predetermined position by the lateral relief hole 6b.

同様に、縦方向に位置する固定ねじ８を締め付けるときにも、防水パッキン７によって保護部材６が浮き上がっていても、またケース本体１のねじ穴１２に対して保護部材６の逃がし孔６ｃが位置ずれしていても、その縦方向の逃がし孔６ｃによって保護部材６を縦方向にスライドさせて所定位置に固定することができる。さらに、対角線上に位置する固定ねじ８を締め付けるときにも、防水パッキン７によって保護部材６が浮き上がっていても、またケース本体１のねじ穴１２に対して保護部材６の逃がし孔６ｄが位置ずれしていても、その逃がし孔６ｄによって保護部材６を縦方横向にスライドさせて所定位置に固定することができる。   Similarly, when the fixing screw 8 positioned in the vertical direction is tightened, even if the protective member 6 is lifted by the waterproof packing 7, the relief hole 6 c of the protective member 6 is positioned relative to the screw hole 12 of the case body 1. Even if they are displaced, the protective member 6 can be slid in the vertical direction and fixed in place by the vertical escape hole 6c. Furthermore, even when the fixing screw 8 positioned on the diagonal line is tightened, even when the protective member 6 is lifted by the waterproof packing 7, the escape hole 6 d of the protective member 6 is displaced with respect to the screw hole 12 of the case body 1. Even in this case, the protective member 6 can be slid vertically and horizontally by the escape hole 6d and fixed at a predetermined position.

これにより、複数の固定ねじ８によって保護部材６を締め付けるときに、その締め付け状態に応じて保護部材６を面方向にスライドさせて締め付けることができるので、防水パッキン７によって保護部材６が浮き上がっていても、またケース本体１のねじ穴１２に対して保護部材６の逃がし孔６ｄが位置ずれしていても、複数の固定ねじ８によって保護部材６を良好に且つ確実に所定位置に固定することができると共に、この保護部材６によって防水パッキン７をほぼ均一に圧縮させることができる。   Accordingly, when the protective member 6 is tightened by the plurality of fixing screws 8, the protective member 6 can be slid and tightened in the surface direction according to the tightening state, so that the protective member 6 is lifted by the waterproof packing 7. In addition, even if the escape hole 6d of the protective member 6 is displaced with respect to the screw hole 12 of the case body 1, the protective member 6 can be fixed in a predetermined position by the plurality of fixing screws 8 in a good and reliable manner. In addition, the waterproof packing 7 can be compressed almost uniformly by the protective member 6.

このように、この液晶テレビによれば、ケース本体１の内面に設けられた取付枠部１０に、表示用開口部３を囲む防水パッキン７を介して透明な保護部材６を配置し、この保護部材６をケース本体１に複数の固定ねじ８で締め付けて、保護部材６を面方向にスライド可能な状態で防水パッキン７を圧縮させたので、ケース本体１と保護部材６との膨張率の差によって歪みが生じても、保護部材６が防水パッキン７を圧縮させた状態で面方向にスライドすることにより、ケース本体１と保護部材６との膨張率の差によって生じる歪みを確実に吸収することができる。   Thus, according to this liquid crystal television, the transparent protective member 6 is disposed on the mounting frame portion 10 provided on the inner surface of the case body 1 via the waterproof packing 7 surrounding the display opening 3, and this protection is provided. The member 6 is fastened to the case body 1 with a plurality of fixing screws 8, and the waterproof packing 7 is compressed in a state in which the protection member 6 is slidable in the surface direction, so the difference in expansion coefficient between the case body 1 and the protection member 6 Even if distortion occurs due to the protection member 6, the protection member 6 slides in the surface direction in a state where the waterproof packing 7 is compressed, so that the distortion caused by the difference in expansion coefficient between the case body 1 and the protection member 6 can be reliably absorbed. Can do.

このため、液晶表示装置２の表示画面２ａを大きくして、ケース本体１と保護部材６との膨張率の差によって生じる歪みが大きくなっても、防水性を確保することができ、これにより浴室でも良好に使用することができる。この場合、特に複数の固定ねじ８によってケース本体１に固定される保護部材６が、直接、防水パッキン７を押え付けるので、従来例のような保護部材６を押えるブラケットや、保護部材６の浮き上がりを防ぐための浮き上がり防止部などの部品が不要となり、これにより部品点数を削減でき、構造の簡素化および組み立て作業の簡素化を図り、低価格なものを得ることができる。   For this reason, even if the display screen 2a of the liquid crystal display device 2 is enlarged and the distortion caused by the difference in expansion coefficient between the case body 1 and the protective member 6 increases, the waterproof property can be ensured. But it can be used well. In this case, in particular, the protective member 6 fixed to the case body 1 by the plurality of fixing screws 8 directly presses the waterproof packing 7, so that the bracket for holding the protective member 6 as in the conventional example or the protective member 6 is lifted. This eliminates the need for parts such as a lift prevention part for preventing the occurrence of the problem, thereby reducing the number of parts, simplifying the structure and simplifying the assembling work, and obtaining a low price.

また、透明な保護部材６をケース本体１に複数の固定ねじ８で取り付けているので、その着脱作業が容易にでき、これにより保守点検が簡単にできると共に、固定ねじ８を再利用することができるので、省資源化をも図ることができる。さらに、液晶表示装置２と保護部材６との間に防塵クッション９が表示画面２ａを囲むように配置されているので、液晶表示装置２と保護部材６との間に塵埃が侵入するのを防ぐことができると共に、液晶表示装置２と保護部材６との間に空気空間が形成されるので、液晶表示装置２と保護部材６との対向面における結露による曇りを防ぐことができ、これにより液晶表示装置２に表示された情報をケース本体１の外部から良好に観察することができる。   Further, since the transparent protective member 6 is attached to the case body 1 with a plurality of fixing screws 8, the attaching and detaching work can be facilitated, whereby maintenance and inspection can be simplified and the fixing screws 8 can be reused. As a result, resource saving can be achieved. Further, since the dustproof cushion 9 is disposed between the liquid crystal display device 2 and the protective member 6 so as to surround the display screen 2 a, dust can be prevented from entering between the liquid crystal display device 2 and the protective member 6. In addition, since an air space is formed between the liquid crystal display device 2 and the protective member 6, fogging due to condensation on the opposing surface of the liquid crystal display device 2 and the protective member 6 can be prevented, and thereby the liquid crystal The information displayed on the display device 2 can be observed well from the outside of the case body 1.

（実施形態２）
次に、図４を参照して、この発明を液晶テレビに適用した実施形態２について説明する。なお、図１〜図３に示された実施形態１と同一部分には同一符号を付して説明する。
この液晶テレビは、透明な保護部材６をケース本体１の外面（図４では上面）に防水パッキン７を介して配置し、この状態で保護部材６をケース本体１の外面に複数の固定ねじ８によって取り付けた構造で、これ以外は実施形態１とほぼ同じ構造になっている。この場合、ケース本体１には、液晶表示装置２が挿入して配置される表示用開口部１３が設けられている。 (Embodiment 2)
Next, a second embodiment in which the present invention is applied to a liquid crystal television will be described with reference to FIG. In addition, the same code | symbol is attached | subjected and demonstrated to the same part as Embodiment 1 shown by FIGS. 1-3.
In this liquid crystal television, a transparent protective member 6 is disposed on the outer surface (upper surface in FIG. 4) of the case body 1 via a waterproof packing 7, and in this state, the protective member 6 is disposed on the outer surface of the case body 1 with a plurality of fixing screws 8. The other structure is substantially the same as that of the first embodiment. In this case, the case body 1 is provided with a display opening 13 into which the liquid crystal display device 2 is inserted.

また、このケース本体１の外面（図４では上面）には、装着溝１４が表示用開口部１３を囲んで設けられている。この装着溝１４も、実施形態１と同様、その深さが防水パッキン７の外径よりも少し浅く形成され、これにより防水パッキン７が装着されたときに、その一部が外部に突出するように構成されている。また、このケース本体１の外面における防水パッキン７の外周側には、複数の固定ねじ８がそれぞれ螺着するねじ穴１２が保護部材６の位置規制孔６ａおよび各逃がし孔６ｂ〜６ｄに対応して設けられている。この場合にも、液晶表示装置２は、保護部材６の内面（図４では下面）に防塵クッション９を介して取り付けられている。   A mounting groove 14 is provided on the outer surface (upper surface in FIG. 4) of the case body 1 so as to surround the display opening 13. Similarly to the first embodiment, the depth of the mounting groove 14 is slightly shallower than the outer diameter of the waterproof packing 7, so that when the waterproof packing 7 is mounted, a part of the mounting groove 14 protrudes to the outside. It is configured. Further, on the outer peripheral side of the waterproof packing 7 on the outer surface of the case body 1, screw holes 12 into which a plurality of fixing screws 8 are respectively screwed correspond to the position restricting holes 6a of the protective member 6 and the escape holes 6b to 6d. Is provided. Also in this case, the liquid crystal display device 2 is attached to the inner surface (the lower surface in FIG. 4) of the protective member 6 via the dustproof cushion 9.

このような液晶テレビにおいても、実施形態１と同様、ケース本体１と保護部材６との膨張率の差によって生じる歪みを確実に吸収することができるので、液晶表示装置２の表示画面２ａを大きくしても、防水性を確保することができると共に、防塵クッション９によって液晶表示装置２と保護部材６との対向面における結露による曇りを防ぐことができるほか、特に保護部材６がケース本体１の外面に防水パッキン７を介して複数の固定ねじ８で取り付けられているので、ケース本体１の外部から保護部材６を取り付けることができ、このため保護部材６および液晶表示装置２の組み付け作業が容易にでき、これにより組み立て作業性の向上を図ることができると共に、より一層、保守点検が容易にできる。   In such a liquid crystal television as well as the first embodiment, distortion caused by the difference in expansion coefficient between the case body 1 and the protective member 6 can be reliably absorbed, so that the display screen 2a of the liquid crystal display device 2 is enlarged. Even in this case, the waterproof property can be secured, and the dust proof cushion 9 can prevent fogging due to condensation on the opposing surface of the liquid crystal display device 2 and the protective member 6. Since a plurality of fixing screws 8 are attached to the outer surface via the waterproof packing 7, the protective member 6 can be attached from the outside of the case body 1, and therefore, the assembling work of the protective member 6 and the liquid crystal display device 2 is easy. As a result, the assembly workability can be improved, and maintenance and inspection can be further facilitated.

（実施形態３）
次に、図５を参照して、この発明を液晶テレビに適用した実施形態３について説明する。この場合には、図４に示された実施形態２と同一部分に同一符号を付して説明する。
この液晶テレビは、ケース本体１の外面（図５では上面）に透明な保護部材６を覆うカバー部材１５を設けた構造で、これ以外は実施形態２と同じ構造になっている。すなわち、このカバー部材１５は、ほぼ平板状に形成され、液晶表示装置２の表示画面２ａに対応する部分にカバー開口部１６が設けられ、保護部材６を覆ってケース本体１の外面に配置されると、複数の固定ねじ８、防水パッキン７、および防塵クッション９をも覆い、この状態でケース本体１の外面に取外し可能に取り付けられている。 (Embodiment 3)
Next, a third embodiment in which the present invention is applied to a liquid crystal television will be described with reference to FIG. In this case, the same parts as those in the second embodiment shown in FIG.
This liquid crystal television has a structure in which a cover member 15 that covers the transparent protective member 6 is provided on the outer surface (upper surface in FIG. 5) of the case body 1, and the other structure is the same as that of the second embodiment. That is, the cover member 15 is formed in a substantially flat plate shape, a cover opening 16 is provided in a portion corresponding to the display screen 2 a of the liquid crystal display device 2, and is disposed on the outer surface of the case body 1 so as to cover the protection member 6. Then, the plurality of fixing screws 8, the waterproof packing 7 and the dustproof cushion 9 are also covered, and in this state, they are detachably attached to the outer surface of the case body 1.

このような液晶テレビにおいても、実施形態２と同様、液晶表示装置２の表示画面２ａが大きくなっても、防水性を確保でき、結露による曇りを防ぐことができると共に、保護部材６および液晶表示装置２の組み立て作業性が良く、保守点検が容易にできるほか、特にカバー部材１５によって、液晶表示装置２の表示画面２ａに対応する部分を除いて、保護部材６、複数の固定ねじ８、防水パッキン７、および防塵クッション９を覆い隠すことができるので、外観的にもデザイン的にも好ましいものを得ることができ、これにより商品価値を高めることができる。   In such a liquid crystal television, as in the second embodiment, even when the display screen 2a of the liquid crystal display device 2 is enlarged, it is possible to ensure waterproofness and prevent fogging due to dew condensation, as well as the protective member 6 and the liquid crystal display. The device 2 is easy to assemble and can be easily maintained and inspected. In particular, the cover member 15 excludes a portion corresponding to the display screen 2a of the liquid crystal display device 2, and the protective member 6, a plurality of fixing screws 8, and waterproof. Since the packing 7 and the dustproof cushion 9 can be concealed, a product that is favorable in terms of appearance and design can be obtained, thereby increasing the commercial value.

（実施形態４）
次に、図６を参照して、この発明を液晶テレビに適用した実施形態４について説明する。この場合には、図５に示された実施形態３と同一部分に同一符号を付して説明する。
この液晶テレビは、防水パッキン７と防塵クッション９とを一体に形成した構造で、これ以外は実施形態３とほぼ同じ構造になっている。すなわち、防水パッキン７と防塵クッション９とは、連結シード部１７によって一体に連結されて形成されている。この場合、防水パッキン７と防塵クッション９とは、同じ材料であっても良く、また異なる材料であっても良い。 (Embodiment 4)
Next, a fourth embodiment in which the present invention is applied to a liquid crystal television will be described with reference to FIG. In this case, the same parts as those in the third embodiment shown in FIG.
This liquid crystal television has a structure in which a waterproof packing 7 and a dustproof cushion 9 are integrally formed, and the other structure is substantially the same as that of the third embodiment. That is, the waterproof packing 7 and the dustproof cushion 9 are integrally connected by the connection seed part 17. In this case, the waterproof packing 7 and the dustproof cushion 9 may be made of the same material or different materials.

また、液晶表示装置２側に位置する装着溝１４の上端部には、連結シート部１７が挿入して配置される挿入凹部１４ａが設けられている。これにより、連結シート部１７の外端部に設けられた防水パッキン７は装着溝１４内に枠状に連続して配置され、連結シート部１７は挿入凹部１４ａに配置されて液晶表示装置２の前面側（図６では上面側）に位置し、この連結シート部１７の内端部に設けられた防塵クッション９は液晶表示装置２と透明な保護部材６との間に配置される。この防塵クッション９も、液晶表示装置２の表示画面２ａの外周側に枠状に連続して配置されている。   In addition, an insertion recess 14 a into which the connecting sheet portion 17 is inserted is provided at the upper end portion of the mounting groove 14 located on the liquid crystal display device 2 side. As a result, the waterproof packing 7 provided at the outer end portion of the connecting sheet portion 17 is continuously arranged in a frame shape in the mounting groove 14, and the connecting sheet portion 17 is arranged in the insertion recess 14 a so that the liquid crystal display device 2 A dustproof cushion 9 located on the front side (upper side in FIG. 6) and provided at the inner end of the connecting sheet portion 17 is disposed between the liquid crystal display device 2 and the transparent protective member 6. The dustproof cushion 9 is also continuously arranged in a frame shape on the outer peripheral side of the display screen 2 a of the liquid crystal display device 2.

このような液晶テレビにおいても、実施形態３と同様、防水性を確保して結露による曇りを防ぎ、保護部材６および液晶表示装置２の組み立て作業性が良く、保守点検が容易にできると共に、カバー部材１５によって外観的にもデザイン的にも好ましいものを得ることができるほか、特に防水パッキン７と防塵クッション９とを連結シート部１７によって一体に形成したことにより、より一層、防水性を高めることができると共に、部品点数を更に削減して構造の簡素化および組み立て作業の簡素化を図ることができ、これにより、より一層の低価格化を図ることができる。   Also in such a liquid crystal television, as in the third embodiment, waterproofing is ensured to prevent fogging due to condensation, the assembling workability of the protective member 6 and the liquid crystal display device 2 is good, maintenance and inspection can be facilitated, and the cover is covered. In addition to being able to obtain a favorable appearance and design with the member 15, the waterproof packing 7 and the dust proof cushion 9 are integrally formed by the connecting sheet portion 17, thereby further improving the waterproof property. In addition, the number of parts can be further reduced to simplify the structure and the assembling work, thereby further reducing the price.

（実施形態５）
次に、図７および図８を参照して、この発明を液晶テレビに適用した実施形態５について説明する。この場合には、図１〜図３に示された実施形態１と同一部分に同一符号を付して説明する。
この液晶テレビは、複数の固定ねじ８に代えて押え部材２０を用い、この押え部材２０によって透明な保護部材６をケース本体１に取り付けた構造で、これ以外は実施形態１とほぼ同じ構造になっている。 (Embodiment 5)
Next, a fifth embodiment in which the present invention is applied to a liquid crystal television will be described with reference to FIGS. In this case, the same portions as those in the first embodiment shown in FIGS.
This liquid crystal television has a structure in which a holding member 20 is used in place of the plurality of fixing screws 8 and a transparent protective member 6 is attached to the case body 1 by the holding member 20, and the other structure is substantially the same as in the first embodiment. It has become.

この場合にも、ケース本体１には、図７に示すように、表示用開口部３が液晶表示装置２の表示画面２ａに対応して設けられており、この表示用開口部３の外周側に位置するケース本体１の内面（図７では下面）には、取付枠部１０が表示用開口部３を囲んで設けられている。この取付枠部１０にも、防水パッキン７が装着する装着溝１１が枠状に連続して設けられている。この装着溝１１も、防水パッキン７の外径よりも少し浅く形成され、防水パッキン７の一部が外部に突出して装着されるように構成されている。   Also in this case, the case body 1 is provided with a display opening 3 corresponding to the display screen 2a of the liquid crystal display device 2 as shown in FIG. A mounting frame portion 10 is provided on the inner surface (lower surface in FIG. 7) of the case main body 1 located at a position surrounding the display opening 3. The mounting frame portion 10 is also provided with a mounting groove 11 for mounting the waterproof packing 7 in a frame shape. The mounting groove 11 is also formed to be slightly shallower than the outer diameter of the waterproof packing 7 and is configured such that a part of the waterproof packing 7 protrudes to the outside.

また、透明な保護部材６は、ケース本体１内の取付枠部１０に配置されてケース本体１の表示用開口部３を塞ぐように構成されている。そして、押え部材２０は、図８に示すように、保護部材６の表面つまり下面よりも少し大きく形成されたほぼ平板状の枠板部２１を備え、この枠板部２１の周縁部に側壁部２２が形成され、枠板部２１の前後に位置する側壁部２２にほぼＬ字状の脚部２３が形成され、この脚部２３がケース本体１の内面（図７では下面）に取り付けられ、この状態で保護部材６をケース本体１の取付枠部１０に押え付けるように構成されている。   Further, the transparent protective member 6 is arranged on the attachment frame portion 10 in the case main body 1 so as to close the display opening 3 of the case main body 1. As shown in FIG. 8, the pressing member 20 includes a substantially flat frame plate portion 21 formed slightly larger than the surface, that is, the lower surface of the protection member 6, and a side wall portion at the peripheral portion of the frame plate portion 21. 22 is formed, and a substantially L-shaped leg portion 23 is formed on the side wall portion 22 located in front of and behind the frame plate portion 21, and the leg portion 23 is attached to the inner surface (the lower surface in FIG. 7) of the case body 1. In this state, the protection member 6 is configured to be pressed against the mounting frame portion 10 of the case body 1.

すなわち、この押え部材２０は、図７に示すように、枠板部２１が保護部材６の下面よりも少し大きく形成されていることにより、側壁部２２と保護部材６の端面との間に隙間が形成され、この状態で各脚部２３がケース本体１の内面（図７では下面）に取り付けられたときに、枠板部２１が保護部材６の外周部をケース本体１の取付枠部１０にその面方向にスライド可能に押え付けると共に、この保護部材６が防水パッキン７を圧縮させるように構成されている。なお、保護部材６には、図７に示すように、液晶表示装置２が防塵クッション９を介して取り付けられている。この防塵クッション９も、液晶表示装置２の表示画面２ａを囲むようにその外側に配置されている。   That is, as shown in FIG. 7, the pressing member 20 has a gap between the side wall portion 22 and the end surface of the protection member 6 because the frame plate portion 21 is formed slightly larger than the lower surface of the protection member 6. In this state, when each leg portion 23 is attached to the inner surface (lower surface in FIG. 7) of the case body 1, the frame plate portion 21 attaches the outer peripheral portion of the protection member 6 to the attachment frame portion 10 of the case body 1. The protective member 6 is configured to compress the waterproof packing 7 while being slidably pressed in the surface direction. As shown in FIG. 7, the liquid crystal display device 2 is attached to the protective member 6 via a dustproof cushion 9. The dust cushion 9 is also disposed outside the liquid crystal display device 2 so as to surround the display screen 2a.

このような液晶テレビによれば、ケース本体１の内面に設けられた取付枠部１０に、表示用開口部３を囲む防水パッキン７を介して透明な保護部材６を配置し、この状態でケース本体１に取り付けられた押え部材２０によって、保護部材６を面方向にスライド可能な状態で防水パッキン７を圧縮させたので、実施形態１と同様、ケース本体１と保護部材６との膨張率の差によって歪みが生じても、保護部材６が防水パッキン７を圧縮させた状態で面方向にスライドすることにより、ケース本体１と保護部材６との膨張率の差によって生じる歪みを確実に吸収することができる。   According to such a liquid crystal television, the transparent protective member 6 is disposed on the mounting frame 10 provided on the inner surface of the case body 1 via the waterproof packing 7 surrounding the display opening 3, and in this state the case Since the waterproof packing 7 is compressed by the presser member 20 attached to the main body 1 in a state where the protective member 6 is slidable in the surface direction, the expansion rate of the case main body 1 and the protective member 6 is the same as in the first embodiment. Even if distortion occurs due to the difference, the protective member 6 slides in the surface direction in a state where the waterproof packing 7 is compressed, so that the distortion generated due to the difference in expansion coefficient between the case body 1 and the protective member 6 is reliably absorbed. be able to.

すなわち、押え部材２０は、その側壁部２２と保護部材６の端面との間に隙間が設けられているので、この隙間によって保護部材６を面方向に膨張させることができ、このため、液晶表示装置２の表示画面２ａを大きくして、ケース本体１と保護部材６との膨張率の差によって生じる歪みが大きくなっても、防水性を確保することができ、これにより浴室でも良好に使用することができる。この場合には、特にケース本体１に取り付けられた押え部材２０によって保護部材６がケース本体１に押え付けられているので、防水パッキン７を均一に圧縮させることができる。   That is, the presser member 20 is provided with a gap between the side wall portion 22 and the end face of the protection member 6, so that the protection member 6 can be expanded in the surface direction by this gap. Even if the display screen 2a of the device 2 is enlarged and the distortion caused by the difference in expansion coefficient between the case body 1 and the protective member 6 increases, the waterproof property can be ensured, and thus it can be used well in the bathroom. be able to. In this case, in particular, since the protective member 6 is pressed against the case body 1 by the pressing member 20 attached to the case body 1, the waterproof packing 7 can be uniformly compressed.

また、この液晶テレビでは、実施形態１のように、保護部材６に複数の固定ねじ８が挿入する位置規制孔６ａや各逃がし孔６ｂ〜６ｄを設けたり、ケース本体１に複数の固定ねじ８が螺着するねじ穴１２を設けたりする必要がないので、防水性を改善することができると共に、より一層、構造の簡素化を図ることができ、これにより低価格で防水性の高いものを得ることができる。   Further, in this liquid crystal television, as in the first embodiment, the protective member 6 is provided with the position restricting holes 6a into which the plurality of fixing screws 8 are inserted and the escape holes 6b to 6d, or the case main body 1 is provided with the plurality of fixing screws 8. Since it is not necessary to provide the screw hole 12 to which the screw is screwed, the waterproof property can be improved and the structure can be further simplified. Can be obtained.

さらに、液晶表示装置２と保護部材６との間に防塵クッション９が表示画面２ａを囲むように配置されているので、実施形態１と同様、液晶表示装置２と保護部材６との間に塵埃が侵入するのを防ぐことができると共に、液晶表示装置２と保護部材６との間に空気空間が形成されるので、液晶表示装置２と保護部材６との対向面における結露による曇りを防ぐことができ、これにより液晶表示装置２に表示された情報をケース本体１の外部から良好に観察することができる。   Further, since the dust-proof cushion 9 is disposed between the liquid crystal display device 2 and the protective member 6 so as to surround the display screen 2a, dust is interposed between the liquid crystal display device 2 and the protective member 6 as in the first embodiment. Can be prevented, and an air space is formed between the liquid crystal display device 2 and the protective member 6, so that clouding due to condensation on the opposing surface of the liquid crystal display device 2 and the protective member 6 can be prevented. As a result, the information displayed on the liquid crystal display device 2 can be observed well from the outside of the case body 1.

（実施形態６）
次に、図９を参照して、この発明を液晶テレビに適用した実施形態６について説明する。この場合には、図７および図８に示された実施形態５と同一部分に同一符号を付して説明する。
この液晶テレビは、透明な保護部材６をケース本体１の外面（図９では上面）に防水パッキン７を介して配置すると共に、この保護部材６をケース本体１に押え部材２０で取り付け、この状態でケース本体１の外面に押え部材２０および保護部材６を覆うカバー部材２５を設けた構造で、これ以外は実施形態５とほぼ同じ構造になっている。 (Embodiment 6)
Next, a sixth embodiment in which the present invention is applied to a liquid crystal television will be described with reference to FIG. In this case, the same parts as those in the fifth embodiment shown in FIGS.
In this liquid crystal television, a transparent protective member 6 is disposed on the outer surface (upper surface in FIG. 9) of the case main body 1 via a waterproof packing 7, and the protective member 6 is attached to the case main body 1 with a pressing member 20 and is in this state. Thus, the cover member 25 that covers the pressing member 20 and the protection member 6 is provided on the outer surface of the case body 1, and the other structure is substantially the same as that of the fifth embodiment.

この場合、ケース本体１には、液晶表示装置２が挿入して配置される表示用開口部２６が設けられている。また、このケース本体１の外面（図９では上面）には、取付枠部１０が表示用開口部２６の外周側を囲んで設けられており、この取付枠部１０には、防水パッキン７が装着する装着溝２７が枠状に連続して設けられている。この装着溝２７も、実施形態５と同様、その深さが防水パッキン７の外径よりも少し浅く形成され、これにより防水パッキン７が装着されたときに、その一部が外部に突出するように構成されている。   In this case, the case body 1 is provided with a display opening 26 into which the liquid crystal display device 2 is inserted. An attachment frame portion 10 is provided on the outer surface (upper surface in FIG. 9) of the case body 1 so as to surround the outer peripheral side of the display opening 26, and the waterproof packing 7 is provided on the attachment frame portion 10. A mounting groove 27 to be mounted is provided continuously in a frame shape. Similarly to the fifth embodiment, the mounting groove 27 is formed so that the depth thereof is slightly shallower than the outer diameter of the waterproof packing 7, so that a part of the mounting groove 27 protrudes to the outside when the waterproof packing 7 is mounted. It is configured.

また、液晶表示装置２は、保護部材６の内面（図９では下面）に防塵クッション９を介して取り付けられている。この防塵クッション９も、液晶表示装置２の表示画面２ａを囲むようにその外側に配置されている。一方、カバー部材２５は、実施形態３と同様、ほぼ平板状に形成され、液晶表示装置２の表示画面２ａに対応する部分にカバー開口部２８が設けられ、このカバー開口部２８に対応する部分を除いて、押え部材２０、保護部材６、防水パッキン７、および防塵クッション９を覆った状態で、ケース本体１の外面に取外し可能に取り付けられている。   Further, the liquid crystal display device 2 is attached to the inner surface (the lower surface in FIG. 9) of the protective member 6 via a dustproof cushion 9. The dust cushion 9 is also disposed outside the liquid crystal display device 2 so as to surround the display screen 2a. On the other hand, the cover member 25 is formed in a substantially flat plate shape as in the third embodiment, and a cover opening 28 is provided in a portion corresponding to the display screen 2 a of the liquid crystal display device 2, and a portion corresponding to the cover opening 28. Except that the presser member 20, the protection member 6, the waterproof packing 7, and the dustproof cushion 9 are covered in a removable manner on the outer surface of the case body 1.

このような液晶テレビにおいても、実施形態５と同様、液晶表示装置２の表示画面２ａを大きくしても、防水性を確保でき、結露による曇りを防ぐことができるほか、特に保護部材６がケース本体１の外面側に設けているので、保護部材６および液晶表示装置２の組み付け作業が容易で、保守点検が容易にでき、しかもカバー部材２５のカバー開口部２８に対応する部分を除いて、押え部材２０、保護部材６、防水パッキン７、および防塵クッション９をカバー部材２５で覆い隠すことができるので、外観的にもデザイン的にも好ましいものを得ることができ、これにより商品価値をも高めることができる。   In such a liquid crystal television, as in the fifth embodiment, even if the display screen 2a of the liquid crystal display device 2 is enlarged, waterproofness can be secured and fogging due to condensation can be prevented. Since it is provided on the outer surface side of the main body 1, the assembling work of the protective member 6 and the liquid crystal display device 2 is easy, maintenance and inspection can be facilitated, and the portion corresponding to the cover opening 28 of the cover member 25 is excluded. Since the presser member 20, the protective member 6, the waterproof packing 7 and the dustproof cushion 9 can be covered with the cover member 25, it is possible to obtain a preferable one in terms of appearance and design. Can be increased.

（実施形態７）
次に、図１０を参照して、この発明を液晶テレビに適用した実施形態７について説明する。この場合には、図９に示された実施形態６と同一部分に同一符号を付して説明する。
この液晶テレビは、防水パッキン７と防塵クッション９とを一体に形成した構造で、これ以外は実施形態６とほぼ同じ構造になっている。すなわち、防水パッキン７と防塵クッション９とは、連結シート部３０によって一体に連結されて形成されている。この場合、防水パッキン７と防塵クッション９とは、同じ材料であっても良く、また異なる材料であっても良い。 (Embodiment 7)
Next, a seventh embodiment in which the present invention is applied to a liquid crystal television will be described with reference to FIG. In this case, the same parts as those in the sixth embodiment shown in FIG.
This liquid crystal television has a structure in which a waterproof packing 7 and a dustproof cushion 9 are integrally formed, and the other structure is substantially the same as that of the sixth embodiment. That is, the waterproof packing 7 and the dustproof cushion 9 are integrally connected by the connecting sheet portion 30. In this case, the waterproof packing 7 and the dustproof cushion 9 may be made of the same material or different materials.

また、液晶表示装置２側に位置する装着溝２７の上端部には、図１０に示すように、連結シート部３０が挿入して配置される挿入凹部２７ａが設けられている。これにより、連結シート部３０の外端部に設けられた防水パッキン７は装着溝２７内に枠状に連続して配置され、連結シート部３０は挿入凹部２７ａに配置されて液晶表示装置２の前面側（図１０では上面）に位置し、この連結シート部３０の内端部に設けられた防塵クッション９は液晶表示装置２と透明な保護部材６との間に配置される。この防塵クッション９も、液晶表示装置２の表示画面２ａの外周側に枠状に連続して配置されている。   Further, as shown in FIG. 10, an insertion concave portion 27a into which the connecting sheet portion 30 is inserted is provided at the upper end portion of the mounting groove 27 located on the liquid crystal display device 2 side. Accordingly, the waterproof packing 7 provided at the outer end portion of the connection sheet portion 30 is continuously arranged in a frame shape in the mounting groove 27, and the connection sheet portion 30 is arranged in the insertion recess portion 27 a so that the liquid crystal display device 2 A dustproof cushion 9 located on the front side (upper surface in FIG. 10) and provided at the inner end of the connecting sheet 30 is disposed between the liquid crystal display device 2 and the transparent protective member 6. The dustproof cushion 9 is also continuously arranged in a frame shape on the outer peripheral side of the display screen 2 a of the liquid crystal display device 2.

このような液晶テレビにおいても、実施形態６と同様、防水性を確保して結露による曇りを防ぎ、保護部材６および液晶表示装置２の組み立て作業性が良く、保守点検が容易にできると共に、カバー部材２５によって外観的にもデザイン的にも好ましいものを得ることができるほか、特に防水パッキン７と防塵クッション９とを連結シート部３０によって一体に形成したことにより、より一層、防水性を高めることができると共に、部品点数を削減して構造の簡素化および組み立て作業性の簡素化を図ることができ、これにより更なる低価格化を図ることができる。   In such a liquid crystal television, as in the sixth embodiment, waterproofing is ensured to prevent fogging due to condensation, the assembling workability of the protective member 6 and the liquid crystal display device 2 is good, maintenance and inspection can be facilitated, and the cover is covered. In addition to being able to obtain a favorable appearance and design by the member 25, the waterproof packing 7 and the dustproof cushion 9 are integrally formed by the connecting sheet portion 30 in particular, thereby further improving the waterproofness. In addition, the number of parts can be reduced to simplify the structure and the assembling workability, thereby further reducing the price.

なお、上記実施形態１〜７では、防水パッキン７の断面形状がほぼ円形状に形成されている場合について述べたが、これに限らず、例えば防水パッキン７の断面形状は、ほぼ楕円形状であっても良く、またほぼ平板状であっても良く、さらに四角形や五角形などの多角形状であっても良い。同様に、防塵クッション９も、その断面形状がほぼ円形状である必要はなく、ほぼ楕円形状、ほぼ平板状、あるいは四角形や五角形などの多角形状であっても良い。   In the first to seventh embodiments, the case where the cross-sectional shape of the waterproof packing 7 is formed in a substantially circular shape has been described. However, the present invention is not limited to this. For example, the cross-sectional shape of the waterproof packing 7 is substantially elliptical. Alternatively, it may be substantially flat, and may be a polygonal shape such as a quadrangle or a pentagon. Similarly, the dustproof cushion 9 does not have to have a substantially circular cross-sectional shape, and may be a substantially elliptical shape, a substantially flat plate shape, or a polygonal shape such as a quadrangle or a pentagon.

また、上記実施形態１〜７では、表示装置として、液晶表示装置２を用いた場合について述べたが、必ずしも液晶表示装置である必要はなく、ＥＬ（エレクトロルミネッセンス）表示装置などの平面型の表示装置であっても良い。また、表示装置を備えた電子機器として、液晶テレビに適用した場合について述べたが、これに限らず、電子カメラ、電子辞書、ＰＤＡ（パーソナル・デジタル・アシスタント）などの表示装置を備えた電子機器に広く適用することができる。   In the first to seventh embodiments, the case where the liquid crystal display device 2 is used as the display device has been described. However, the display device is not necessarily a liquid crystal display device, and is a flat display such as an EL (electroluminescence) display device. It may be a device. Moreover, although the case where it applied to a liquid crystal television as an electronic device provided with the display apparatus was described, it is not restricted to this, The electronic device provided with display apparatuses, such as an electronic camera, an electronic dictionary, and PDA (personal digital assistant) Can be widely applied to.

この発明を液晶テレビに適用した外観斜視図である。（実施形態１）It is an external appearance perspective view which applied this invention to the liquid crystal television. (Embodiment 1) 図１の要部を示した拡大断面図である。It is the expanded sectional view which showed the principal part of FIG. 図２の保護部材および液晶表示装置を示した裏面図である。It is the reverse view which showed the protection member and liquid crystal display device of FIG. この発明を液晶テレビに適用した要部の拡大断面図である。（実施形態２）It is an expanded sectional view of the principal part which applied this invention to the liquid crystal television. (Embodiment 2) この発明を液晶テレビに適用した要部の拡大断面図である。（実施形態３）It is an expanded sectional view of the principal part which applied this invention to the liquid crystal television. (Embodiment 3) この発明を液晶テレビに適用した要部の拡大断面図である。（実施形態４）It is an expanded sectional view of the principal part which applied this invention to the liquid crystal television. (Embodiment 4) この発明を液晶テレビに適用した要部の拡大断面図である。（実施形態５）It is an expanded sectional view of the principal part which applied this invention to the liquid crystal television. (Embodiment 5) 図７の押え部材を示した斜視図である。It is the perspective view which showed the pressing member of FIG. この発明を液晶テレビに適用した要部の拡大断面図である。（実施形態６）It is an expanded sectional view of the principal part which applied this invention to the liquid crystal television. (Embodiment 6) この発明を液晶テレビに適用した要部の拡大断面図である。（実施形態７）It is an expanded sectional view of the principal part which applied this invention to the liquid crystal television. (Embodiment 7)

符号の説明Explanation of symbols

１ ケース本体
２ 液晶表示装置
３、１３、２６ 表示用開口部
６ 保護部材
６ａ 位置規制孔
６ｂ〜６ｄ 逃がし孔
７ 防水パッキン
８ 固定ねじ
９ 防塵クッション
１０ 取付枠部
１１、１４、２７ 装着溝
１２ ねじ穴
１５、２５ カバー部材
１６、２８ カバー開口部
１７、３０ 連結シート部
２０ 押え部材
２１ 枠板部
２２ 側壁部
２３ 脚部 DESCRIPTION OF SYMBOLS 1 Case main body 2 Liquid crystal display device 3, 13, 26 Display opening 6 Protection member 6a Position control hole 6b-6d Relief hole 7 Waterproof packing 8 Fixing screw 9 Dust-proof cushion 10 Mounting frame part 11, 14, 27 Mounting groove 12 Screw Holes 15 and 25 Cover member 16 and 28 Cover opening portion 17 and 30 Connection sheet portion 20 Holding member 21 Frame plate portion 22 Side wall portion 23 Leg portion

Claims (6)

内部に収納された表示装置に対応する部分に表示用開口部が設けられたケース本体と、
このケース本体の外面と内面との一方の面に配置されて前記表示用開口部を塞ぐ透明な保護部材と、
前記ケース本体と前記保護部材との間に前記表示用開口部を囲んで配置された防水パッキンと、
この防水パッキンを前記保護部材で圧縮させた状態で、前記ケース本体と前記保護部材とをその面方向にスライド可能に締結する締結部材と
を備えたことを特徴とする表示装置の防水構造。 A case body provided with a display opening in a portion corresponding to a display device housed therein;
A transparent protective member that is disposed on one of the outer surface and the inner surface of the case body and closes the display opening;
A waterproof packing disposed surrounding the display opening between the case body and the protective member;
A waterproof structure for a display device, comprising: a fastening member that slidably fastens the case body and the protective member in a surface direction in a state where the waterproof packing is compressed by the protective member. 前記締結部材は複数の固定ねじを有し、前記ケース本体には前記複数の固定ねじがそれぞれ螺着する複数のねじ穴が設けられ、前記保護部材には、前記複数の固定ねじのうち、一つの固定ねじが挿入して前記保護部材を位置規制する位置規制孔と、他の固定ねじが面方向に相対的に移動可能に挿入する複数の逃がし孔とが設けられていることを特徴とする請求項１に記載の表示装置の防水構造。   The fastening member has a plurality of fixing screws, the case main body is provided with a plurality of screw holes into which the plurality of fixing screws are respectively screwed, and the protection member has one of the plurality of fixing screws. A position restricting hole for inserting one fixing screw to restrict the position of the protective member and a plurality of relief holes for inserting other fixing screws so as to be relatively movable in the surface direction are provided. The waterproof structure of the display device according to claim 1. 内部に収納された表示装置に対応する部分に表示用開口部が設けられたケース本体と、
このケース本体の外面と内面との一方の面に配置されて前記表示用開口部を塞ぐ透明な保護部材と、
前記ケース本体と前記保護部材との間に前記表示用開口部を囲んで配置された防水パッキンと、
前記ケース本体に固定され、この状態で前記保護部材をその面方向にスライド可能に押え付けて前記防水パッキンを圧縮させる押え部材と
を備えたことを特徴とする表示装置の防水構造。 A case body provided with a display opening in a portion corresponding to a display device housed therein;
A transparent protective member that is disposed on one of the outer surface and the inner surface of the case body and closes the display opening;
A waterproof packing disposed surrounding the display opening between the case body and the protective member;
A waterproof structure for a display device, comprising: a pressing member that is fixed to the case main body and presses the protective member in such a manner as to be slidable in the surface direction to compress the waterproof packing. 前記表示装置と前記保護部材との間には防塵クッションが配置されていることを特徴とする請求項１〜３のいずれかに記載の表示装置の防水構造。   The waterproof structure for a display device according to claim 1, wherein a dustproof cushion is disposed between the display device and the protection member. 前記防水パッキンと前記防塵クッションとは一体に形成されていることを特徴とする請求項４に記載の表示装置の防水構造。   The waterproof structure for a display device according to claim 4, wherein the waterproof packing and the dustproof cushion are integrally formed. 前記ケース本体の外面には、表示装置の表示画面に対応する開口部が設けられたカバー部材が少なくとも前記保護部材を覆って取り付けられていることを特徴とする請求項１〜５のいずれかに記載の表示装置の防水構造。   A cover member provided with an opening corresponding to a display screen of a display device is attached to an outer surface of the case body so as to cover at least the protection member. The waterproof structure of the display apparatus of description.
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