JPS5850681Y2 - CRT mounting device - Google Patents

Description

【考案の詳細な説明】 本考案はブラウン管取付装置の改良に係り、特に低コス
トでサービス性のよいブラウン管取付装置を提供するこ
とを目的とするものである。[Detailed Description of the Invention] The present invention relates to an improvement of a cathode ray tube mounting device, and particularly aims to provide a cathode ray tube mounting device that is low in cost and has good serviceability.

小型ブラウン管を用いる携帯用のテレビジョン受像機或
は、複数の高輝度ブラウン管を用いるビデオプロジェク
タ等に訃いては、特に低コストでサービス性のよいブラ
ウン管取付装置が要求される。For portable television receivers using small cathode ray tubes, video projectors using a plurality of high brightness cathode ray tubes, etc., there is a particular need for a cathode ray tube mounting device that is low cost and easy to service.

斯る要請に応じるためにこの種の従来装置においては第
１図に図示せる如く、ブラウン管１の四角に特別に固定
用のラグ２，２・・・を設は該ラグを介して基台３に螺
着する方法、第２図に図示せる如く、ブラウン管１のフ
ァンネル部４外面に沿う内面形状を具備せる押え金具５
，６を介してブラウン管１を基台３に固定する方法或は
第３図に図示せる如く、先端にアース用の編線Ｔを把持
する複数の押え金具８，８・・・８を用いてブラウン管
１の基台３への固定とアース接続を兼ねる方法等が採用
されて来た。In order to meet such demands, in this type of conventional device, as shown in FIG. 1, special fixing lugs 2, 2, . As shown in FIG.
, 6, or by using a plurality of holding metal fittings 8, 8, . Methods have been adopted that both fix the cathode ray tube 1 to the base 3 and connect it to the ground.

しかし乍ら斯る方法では、固定用ラグ２，２・・・をブ
ラウン管に一体に設ける構成及び別途固定用ラグ２，２
の一部にアースリードを張りめぐらせる構成（第１図の
場合）、或はブラウン管１の側面に設けられるアノード
９を避けた形状の押え金具を用意し、両側からブラウン
管１を均等に締着固定する注意深い作業を不可欠とし、
（第２図の場合）、若しぐば、複数（通常６ケ以上）の
押え金具８，８・・・８を用い、ブラウン管１を均等に
締着すると共に、編線７がファンネル部４外面の黒鉛塗
布膜に導電接続するように均等に当接すべく作業しなけ
ればならない（第３図の場合）等いずれの場合に３いて
も比較的コスト高の要因となるばかりでなくサービス性
が悪いという欠点を余儀なくされていた。However, in this method, the fixing lugs 2, 2, etc. are provided integrally with the cathode ray tube, or the fixing lugs 2, 2, etc. are provided separately.
(In the case of Fig. 1), prepare a configuration in which a ground lead is stretched around a part of the cathode ray tube 1 (as shown in Fig. 1), or prepare a holding metal fitting with a shape that avoids the anode 9 provided on the side of the cathode ray tube 1, and tighten and fix the cathode ray tube 1 evenly from both sides. It is essential to carefully work
(In the case of Fig. 2), use a plurality of (usually 6 or more) presser fittings 8, 8...8 to evenly tighten the cathode ray tube 1, and ensure that the braided wire 7 is In either case, it is not only a relatively high cost factor, but also a problem in serviceability. He was forced to suffer the disadvantage of being bad.

本考案は斯る従来例の欠点に鑑み為されたものであるＯ
以下率考案の詳細を第４図乃至第８図を参照しつつ説明
する。The present invention was devised in view of the drawbacks of the conventional example.
Details of the following ratio design will be explained with reference to FIGS. 4 to 8.

本考案装置の背面図を表わす第４図及び一部断面側面図
を示す第５図に訃いて、１０ば、キャビネット前面板（
小型受像機に実施する場合）或は保持板（ビデオプロジ
ェクタに実施する場合）を形成する基台を示す。In addition to FIG. 4 showing a rear view of the device of the present invention and FIG. 5 showing a partially sectional side view, the cabinet front plate (
2 shows a base forming a holding plate (when implemented in a small-sized receiver) or a holding plate (when implemented in a video projector);

合成樹脂製の基台１０の中央部には取付固定すべきブラ
ウン管１１の螢光スクリーンサイズに見合う透孔窓１２
を一体に成型し、同時に被着するブラウン管１１を嵌合
し、その側面を囲繞する保持枠１３，１４，１５．１６
を一体に設ける。A transparent window 12 corresponding to the fluorescent screen size of the cathode ray tube 11 to be installed and fixed is provided in the center of the base 10 made of synthetic resin.
Holding frames 13, 14, 15, and 16 that are integrally molded and that fit the cathode ray tube 11 attached at the same time and surround the sides thereof.
are provided in one piece.

前記保持枠のうちブラウン管１１の側面を挾持する一対
の保持枠１４，１６には、それぞれ凹所１７ 、１７′
或は１８を形成若しくは削設しておく。A pair of holding frames 14 and 16 that sandwich the side surfaces of the cathode ray tube 11 among the holding frames have recesses 17 and 17', respectively.
Alternatively, 18 is formed or cut.

２１．２２は、薄板鋼板の成形体を可とする取付金具で
、その−長側辺に臨んでは螺着孔り、ｈ・・・を、対向
する長側辺近傍には導電性の条体２４，２５と前記保持
枠１４，１６との係合位置の選択を許容する複数の係合
孔】。Reference numeral 21.22 is a mounting bracket that can be molded from a thin steel plate, and has a screw hole, h... on the long side thereof, and a conductive strip near the opposite long side. 24, 25 and the holding frames 14, 16].

１・・・をそれぞれ穿設してかく。1. Drill each hole.

前記係合孔１１ｙ１２・・・ば、ブラウン管１１のネッ
ク部１９を通る水平線を中心にして対称となる位置にそ
れぞれ複数個所設けるが、アノード２０を設けたファン
ネル部２３側に配置される取付金具２１の係合孔１１，
１１の間隔は十分広く取り、アノードキャップ（図示せ
ず）から訳述する張架条体２４への放電リークが全く生
じないように設計しなければならない。The engagement holes 11y12 are provided at a plurality of locations symmetrically with respect to the horizontal line passing through the neck portion 19 of the cathode ray tube 11, and the mounting bracket 21 is disposed on the side of the funnel portion 23 where the anode 20 is provided. engagement hole 11,
11 must be sufficiently wide and designed so that no discharge leakage from the anode cap (not shown) to the tension strip 24 occurs.

ブラウン管１１をガタッキなく基台１０に対して弾性的
に圧接する導電性の条体２４，２５は、１．２φ〜１．
５φ程度の鋼線を可とし、実質的に第５図に図示せる如
く、上記両取付金具２１．２２の適宜の係合孔］１，１
２の間にファンネル部２３を経由して張架される仮想軌
跡に沿う形状をなし、両端部に係合用折返折曲部２６，
２７を設けたものである。The conductive strips 24 and 25 that elastically press the cathode ray tube 11 against the base 10 without shaking are 1.2φ to 1.2φ.
Approximately 5φ steel wire can be used, and as shown in FIG.
It has a shape that follows a virtual locus stretched between the funnel part 23 between the parts 2 and 2, and has an engaging folded part 26 at both ends.
27.

組立に当っては、取付金具２Ｌ２２の一方の係合孔１１
，１２に各導電条体２４，２５の折曲部２６．２７をそ
れぞれ通し、遊嵌した１１で取付金具２２を基台１０の
対応個所に螺着する。When assembling, one engagement hole 11 of the mounting bracket 2L22
, 12 through the bent portions 26 and 27 of the conductive strips 24 and 25, respectively, and screw the mounting bracket 22 onto the corresponding portion of the base 10 using the loosely fitted portions 11.

次に各条体２４，２５の他端の折曲部２６．２７をそれ
ぞれ他方の取付金具１０の係合孔１１ｓ１１に通した１
まで第４図図示の如く一対の条体２４，２５の間にブラ
ウン管１０のネック部分１９が位置するように取付金具
２１を基台１０の対応個所に持来たし、取付金具２１の
螺着孔り、ｈ・・・を緩やかにねじ止めして取付金具２
１を仮固定して、条体２４．２５とファンネル部２３の
黒鉛塗布膜Ｃへの導電接続、ブラウン管１１の基台１０
への当接状態等をチェックする。Next, the bent portions 26 and 27 at the other end of each strip 24 and 25 are passed through the engagement holes 11s11 of the other mounting bracket 10.
The mounting bracket 21 was brought to the corresponding position on the base 10 so that the neck portion 19 of the cathode ray tube 10 was positioned between the pair of strips 24 and 25 as shown in FIG. , h... loosely screw on the mounting bracket 2.
1 is temporarily fixed, conductive connections are made between the strips 24 and 25 and the funnel portion 23 to the graphite coating film C, and the base 10 of the cathode ray tube 11 is connected.
Check the contact status, etc.

ここで、条体２４，２５の折曲部２６．２７の位置は、
条体２４．２５を係合孔］１ｐ’２に通して取付金具２
１を固定した時に条体２４，２５のブラウン管１１への
押圧力が適当になるようは予め決められている。Here, the positions of the bent portions 26 and 27 of the strips 24 and 25 are as follows:
Pass the strips 24 and 25 through the engagement hole] 1p'2 and attach the mounting bracket 2.
It is predetermined in advance that the pressing force of the strips 24 and 25 against the cathode ray tube 11 will be appropriate when the tube 1 is fixed.

このため、普通は前記取付金具を緩やかにねじ止めして
いるねじをしっかりとねじ止めすることによシ、取付金
具２１を基台１０に固定する。For this reason, the mounting bracket 21 is fixed to the base 10 by firmly tightening the screws that normally screw the mounting bracket loosely.

しかし、もし条体２４．２５の押圧力が不十分か過剰で
ある場合には、取付金具の仮固定を外し、条体２４゜２
５の各折曲部２６，２７若しくは一方の折曲部２６を隣
接する係合孔１１′に通し直して適当な張架圧接力がブ
ラウン管１１にもたらされるようにした後に再び取付金
具２１を基台１０に螺着し固定する。However, if the pressing force of the strips 24.25 is insufficient or excessive, remove the temporary fixation of the mounting bracket and remove the strips 24.25.
5, or one of the bent portions 26 is re-passed through the adjacent engagement hole 11' so that an appropriate tension and pressure force is applied to the cathode ray tube 11, and then the mounting bracket 21 is attached to the base again. Screw it onto the stand 10 and fix it.

な訃、取付金具２２に代え、第８図に図示せる如く、ブ
ラウン管１１の押え片２８を兼ね先端に条体保持用の鉤
部２９を備える金具３０を用いることも出来る。However, instead of the mounting bracket 22, as shown in FIG. 8, it is also possible to use a bracket 30 which also serves as the holding piece 28 of the cathode ray tube 11 and has a hook portion 29 at its tip for holding the strip.

上述の如く、条体２４，２５は、ブラウン管１１のアー
スリードを兼用し、該条体２４．２５のシャーシ等への
接続は、該条体２４゜２５と係合される取付金具２１を
螺着ネジｓ１ラグ板３１を介してシャーシ等に電気的に
接続することによって行なわれる。As mentioned above, the strips 24 and 25 also serve as the ground lead for the cathode ray tube 11, and the strips 24 and 25 are connected to the chassis etc. by screwing the mounting bracket 21 engaged with the strips 24 and 25. This is done by electrically connecting to the chassis etc. via the screw s1 lug plate 31.

（第７図参照）上記の様に、前記条体２４，２５の一端
側が接続される取付金具を１つに１とめているので、取
付金具２１をアース接地するだけで複数本の条体２４゜
２５をアース接地出来、条体２４，２５のアース接地の
ための作業性がよい。(See Figure 7) As mentioned above, since one mounting bracket is connected to one end side of the strips 24 and 25, the multiple strips 24 and 25 can be connected by simply grounding the mounting bracket 21. 25 can be grounded, and the workability for grounding the strips 24 and 25 is good.

本考案は上述の如き構成であるから、成型基台と薄板鋼
板及び条体という低廉な素材に簡単な加工を施すのみで
よく、取付に当っても実質的に決められた裕度のある２
個所で螺着する作業のみでよいので、低コストでサービ
ス性のよいブラウン管取付装置を実現し得るものである
。Since the present invention has the above-mentioned configuration, it is only necessary to perform simple processing on the inexpensive materials such as the molded base, thin steel plate, and strip, and the installation can be done with a substantially fixed tolerance.
Since only the screwing work is required at each location, it is possible to realize a cathode ray tube mounting device that is low cost and has good serviceability.

【図面の簡単な説明】[Brief explanation of drawings]

第１図、第２図及び第３図はそれぞれ従来例の斜視図を
表わすものである。 第４図乃至第８図は本考案装置に係り、第４図は背面図
、第５図は一部断面側面図、第６図は要部斜視図、第７
図は他の実施態様の要部斜視図、第８図は更に別の実施
態様の要部斜視図である。 主な図番の説明、１０・・運台、１１・・・ブラウン管
、１２・・誘孔窓、１３，１４，１５，１６・・・保持
枠、２３・・・ファンネル部、２１．２２・・・取付金
具、２４，２５・・・条体、Ｃ・・・黒鉛塗布膜、】１
゜］ ２ 、 ｌ １’、 ｌ ２’・・縣合孔。FIG. 1, FIG. 2, and FIG. 3 each show a perspective view of a conventional example. 4 to 8 relate to the device of the present invention, in which FIG. 4 is a rear view, FIG. 5 is a partially sectional side view, FIG. 6 is a perspective view of the main part, and FIG.
The figure is a perspective view of a main part of another embodiment, and FIG. 8 is a perspective view of a main part of still another embodiment. Explanation of main drawing numbers, 10... Unloading stand, 11... Braun tube, 12... Induction window, 13, 14, 15, 16... Holding frame, 23... Funnel part, 21.22... ... Mounting bracket, 24, 25... Strip, C... Graphite coating film, ]1
゜] 2, l 1', l 2'...Mating hole.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 基台に設けたブラウン管の螢光スクリーンに見合う透孔
窓に面した保持枠内に位置決め保持されたブラウン管を
固定するため対向する保持枠間に張架され上記ブラウン
管を前記基台方向に弾性的に圧接するように該ブラウン
管のファンネル部に当接する一対若しくはそれ以上の導
電性の条体を備え、且つ前記複数の条体と保持枠との接
続が前記条体の係合位置の選択を許容する複数の係合孔
を具備し前記保持枠にねじ止めされると共にアース接地
された取付金具を介して為され、且つ前記複数の条体の
端部を接続する取付金具を１つに１とめ、且つ前記条体
の少なくとも一体が上記ブラウン管のファンネル部外部
の黒鉛塗布膜に導電接触されていることを特徴とするブ
ラウン管取付装置。In order to fix the cathode ray tube positioned and held within the holding frame facing the perforated window corresponding to the fluorescent screen of the cathode ray tube provided on the base, a tube is stretched between opposing holding frames and elastically moves the cathode ray tube in the direction of the base. a pair or more conductive strips that contact the funnel portion of the cathode ray tube so as to be in pressure contact with the funnel portion of the cathode ray tube, and the connection between the plurality of strips and the holding frame allows selection of the engaging position of the strips. The mounting brackets are screwed to the holding frame and are grounded, and the mounting brackets connecting the ends of the plurality of strips are connected to each other. and a cathode ray tube mounting device, characterized in that at least one part of the strip is in conductive contact with a graphite coating film outside the funnel portion of the cathode ray tube.