JPS6216026Y2

JPS6216026Y2 -

Info

Publication number: JPS6216026Y2
Application number: JP10445579U
Authority: JP
Priority date: 1979-07-27
Filing date: 1979-07-27
Publication date: 1987-04-23
Also published as: JPS5622836U

Description

【考案の詳細な説明】本考案は、テレビジヨンチユーナ装置の構造に
関し、簡単な構造で組立てが容易なテレビジヨン
チユーナ装置を提供するものである。[Detailed Description of the Invention] The present invention relates to the structure of a television tuner device, and provides a television tuner device that has a simple structure and is easy to assemble.

第１図は従来のテレビジヨンチユーナ装置を示
している。第１図において、１は箱形のシヤー
シ、２はシヤーシ１にめ又は半田付けで固定さ
れた補強板であり、この補強板２には、一側部よ
り中央に延びる切欠き（図示せず）が形成されて
いる。３はシヤーシ１の前面板４の孔を貫通し補
強板２の切欠きに挿入された主軸である。５は補
強板２に取付けられた線バネであり、この線バネ
５の弾性力によつて主軸３は補強板２の切欠きの
先端部に押圧されて支持される。６は主軸３にあ
らかじめ挿入された円筒状の微調軸であり、この
微調軸６の後端部には鍔部７が形成されている。
８は前面板４の突起９で位置決めされた板バネで
あり、鍔部７と前面板４間に位置するこの板バネ
８によつて微調軸６が付勢される。１０は主軸３
の先端に嵌合された絶縁キヤツプである。 FIG. 1 shows a conventional television tuner device. In FIG. 1, 1 is a box-shaped chassis, 2 is a reinforcing plate fixed to the chassis 1 by fitting or soldering, and this reinforcing plate 2 has a notch (not shown) extending from one side to the center. ) is formed. A main shaft 3 passes through a hole in the front plate 4 of the chassis 1 and is inserted into a notch in the reinforcing plate 2. Reference numeral 5 denotes a wire spring attached to the reinforcing plate 2, and the elastic force of the wire spring 5 causes the main shaft 3 to be pressed and supported by the tip of the notch in the reinforcing plate 2. A cylindrical fine adjustment shaft 6 is inserted into the main shaft 3 in advance, and a flange 7 is formed at the rear end of the fine adjustment shaft 6.
A leaf spring 8 is positioned by a protrusion 9 on the front plate 4, and the fine adjustment shaft 6 is biased by the leaf spring 8 located between the flange 7 and the front plate 4. 10 is main shaft 3
It is an insulating cap fitted to the tip of the

しかしながら、上記従来例においては、主軸３
を線バネ５で保持する板面（補強板２）を、微調
軸６を保持する前面板４とは別に設けなければな
らず、構造が複雑となるとともに、補強板２とシ
ヤーシ１とを固定しなければならず、また補強板
２を折り曲げ加工しなければならない欠点があつ
た。 However, in the above conventional example, the main shaft 3
The plate surface (reinforcing plate 2) that holds the fine adjustment shaft 6 with the wire spring 5 must be provided separately from the front plate 4 that holds the fine adjustment shaft 6, which complicates the structure and makes it difficult to fix the reinforcing plate 2 and chassis 1. In addition, there was a drawback that the reinforcing plate 2 had to be bent.

本考案は上記従来の欠点を除去するものであ
り、以下に本考案の一実施例について第２図〜第
４図とともに説明する。 The present invention eliminates the above-mentioned drawbacks of the conventional art, and one embodiment of the present invention will be described below with reference to FIGS. 2 to 4.

第２図〜第４図において、１１はシヤーシであ
り、このシヤーシ１１の前面板１２には第３図に
示すように、一側部より中央部に延びる切欠き１
３が形成されている。１４，１４′は前面板１２
に形成された孔であり、線バネ１５の両端が上記
孔１４，１４′に装着されている。１６は上記切
欠き１３の先端に配置された主軸であり、この主
軸１６は上記線バネ１５の弾性力により、切欠き
１３の先端の壁に付勢されている。１７は上記主
軸１６に挿入された筒状の微調軸であり、この微
調軸１７の後端には微調整用駆動軸部１７′より
も径大のカム部１８が形成されている。１９は上
記微調軸１７が貫通する孔２０が形成された弾性
板であり、この弾性板１９は彎曲されている。２
１，２１′は弾性板１９の外周部に一体に形成さ
れた突片であり、この突片２１，２１′は略90゜
折り曲げられている。２２，２２′は突片２１，
２１′に形成された孔である。２３，２３′は前面
板１２に形成された貫通孔であり、この貫通孔２
３，２３′の孔壁には突起２４，２４′が一体に形
成されている。 In FIGS. 2 to 4, 11 is a chassis, and the front plate 12 of this chassis 11 has a notch 1 extending from one side to the center, as shown in FIG.
3 is formed. 14, 14' are the front plate 12
Both ends of the wire spring 15 are attached to the holes 14, 14'. Reference numeral 16 denotes a main shaft disposed at the tip of the notch 13, and this main shaft 16 is urged against the wall at the tip of the notch 13 by the elastic force of the wire spring 15. A cylindrical fine adjustment shaft 17 is inserted into the main shaft 16, and a cam portion 18 having a larger diameter than the fine adjustment drive shaft portion 17' is formed at the rear end of the fine adjustment shaft 17. Reference numeral 19 denotes an elastic plate in which a hole 20 is formed through which the fine adjustment shaft 17 passes, and this elastic plate 19 is curved. 2
Projections 1 and 21' are integrally formed on the outer circumference of the elastic plate 19, and these projections 21 and 21' are bent approximately 90 degrees. 22, 22' are projecting pieces 21,
21'. 23 and 23' are through holes formed in the front plate 12;
Projections 24 and 24' are integrally formed on the hole walls of holes 3 and 23'.

上記弾性板１９を微調軸１７に挿入し、突片２
１，２１′をそれぞれ前面板１２の貫通孔２３，
２３′に挿入すると、突片２１，２１′の孔２２，
２２′が突起２４，２４′に契合する。この際弾性
板１９は微調軸１７のカム部１８の端面に当接
し、微調軸１７は弾性板１９の弾性力によつて付
勢され前面板１２に接触される。ここで、契合さ
せることにより弾性板１９を微調軸１７に挿入し
た状態でシヤーシ前面板１２の貫通孔２３，２
３′に挿入するだけで弾性板１９の突片２１，２
１′の孔２２，２２′がシヤーシ前面板１２の貫通
孔２３，２３′にある突起２４，２４′に契合し、
組立作業が容易である。契合させることによ
り、組立後の構造移動がなく弾性板の微調軸に対
するバネ性が安定し微調軸の回転が安定する。等
の効果が生じる。２５はシヤーシ１１に取付けら
れた補強板、２６は主軸１６の先端に嵌合された
絶縁キヤツプである。 Insert the elastic plate 19 into the fine adjustment shaft 17, and
1 and 21' are connected to the through holes 23 and 21 of the front plate 12, respectively.
23', the holes 22 of the projecting pieces 21, 21',
22' engages with the protrusions 24, 24'. At this time, the elastic plate 19 comes into contact with the end surface of the cam portion 18 of the fine adjustment shaft 17, and the fine adjustment shaft 17 is urged by the elastic force of the elastic plate 19 and comes into contact with the front plate 12. Here, when the elastic plate 19 is inserted into the fine adjustment shaft 17 by engaging it, the through holes 23 and 2 of the chassis front plate 12 are inserted.
3', the protrusions 21, 2 of the elastic plate 19
1' holes 22, 22' engage with protrusions 24, 24' in through holes 23, 23' of the chassis front plate 12,
Assembly work is easy. By engaging them, there is no structural movement after assembly, the elasticity of the elastic plate relative to the fine adjustment shaft is stabilized, and the rotation of the fine adjustment shaft is stabilized. Effects such as this will occur. 25 is a reinforcing plate attached to the chassis 11, and 26 is an insulating cap fitted to the tip of the main shaft 16.

以上のように、本考案によれば、主軸と微調軸
とをシヤーシの前面板に支持できるとともに、一
枚の弾性板で微調軸を付勢する構成であり、構造
が簡単になるとともに、組立て作業が容易となる
利点を有し、さらに、微調軸の回転が安定する利
点を有するものである。 As described above, according to the present invention, the main shaft and the fine adjustment shaft can be supported on the front plate of the chassis, and the fine adjustment shaft is biased by a single elastic plate, which simplifies the structure and makes it easier to assemble. This has the advantage that the work is easy, and furthermore, the rotation of the fine adjustment shaft is stabilized.

[Brief explanation of the drawing]

第１図は従来のテレビジヨンチユーナ装置の要
部の側面図、第２図は本考案の一実施例における
テレビジヨンチユーナ装置の要部の側面図、第３
図は同正面図、第４図は同装置の一部の分解斜視
図である。１１……シヤーシ、１２……前面板、１３……
切欠き、１４，１４′……孔、１５……線バネ、
１６……主軸、１７……微調軸、１７′……微調
整用駆動軸部、１８……カム部、１９……弾性
板、２０……孔、２１，２１′……突片、２２，
２２′……孔、２３，２３′……貫通孔、２４，２
４′……突起、２５……補強板、２６……絶縁キ
ヤツプ。 FIG. 1 is a side view of the main parts of a conventional television tuner device, FIG. 2 is a side view of the main parts of a television tuner device according to an embodiment of the present invention, and FIG.
The figure is a front view of the same, and FIG. 4 is an exploded perspective view of a part of the apparatus. 11... Chassis, 12... Front plate, 13...
Notch, 14, 14'... hole, 15... wire spring,
16...Main shaft, 17...Fine adjustment shaft, 17'...Fine adjustment drive shaft portion, 18...Cam portion, 19...Elastic plate, 20...Hole, 21, 21'...Protrusion piece, 22,
22'...hole, 23, 23'...through hole, 24,2
4'...Protrusion, 25...Reinforcement plate, 26...Insulating cap.

Claims

[Scope of utility model registration request]

A cylindrical fine adjustment shaft with a cam portion having a diameter larger than the fine adjustment drive shaft portion formed at the end is inserted into the main shaft rotatably supported by the front plate of the chassis, and the fine adjustment shaft is inserted. A curved elastic plate with a hole formed therein is inserted into the fine adjustment shaft, and a protrusion formed on the elastic plate is engaged with a through hole formed in the front plate of the chassis, so that the elastic force of the elastic plate is applied. Therefore, the television tuner device comprises the fine adjustment shaft biased against the front plate.