JPH0129861Y2 - - Google Patents
Info
- Publication number
- JPH0129861Y2 JPH0129861Y2 JP15231383U JP15231383U JPH0129861Y2 JP H0129861 Y2 JPH0129861 Y2 JP H0129861Y2 JP 15231383 U JP15231383 U JP 15231383U JP 15231383 U JP15231383 U JP 15231383U JP H0129861 Y2 JPH0129861 Y2 JP H0129861Y2
- Authority
- JP
- Japan
- Prior art keywords
- dial
- diameter hole
- pulley
- small diameter
- frame
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- 239000003990 capacitor Substances 0.000 claims description 17
- 238000007689 inspection Methods 0.000 description 3
- 230000006866 deterioration Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Landscapes
- Details Of Measuring And Other Instruments (AREA)
- Pulleys (AREA)
- Mechanical Control Devices (AREA)
Description
【考案の詳細な説明】
(イ) 産業上の利用分野
本考案はラジオ受信機のダイアル装置に係り、
特に同調素子として設けたバリコン用のダイアル
プーリーの固定装置に関する。[Detailed description of the invention] (a) Industrial application field This invention relates to a dial device for a radio receiver.
In particular, the present invention relates to a fixing device for a dial pulley for a variable capacitor provided as a tuning element.
一般にラジオ受信機においては、同調素子とし
てバリコン（バリアブルコンデンサで、空気コン
デンサとも称せられる）が多く用いられ、該バリ
コンの回転軸にはダイアルプーリーを挿入し、そ
の外周にダイアルロープ用の糸溝を設けて、ダイ
アル調整軸の回転をダイアルロープに伝え、該ダ
イアルロープの所定位置に設けられた指針等の指
示用素子を移動させて、その同調位置に応じた周
波数又は受信局を指標と照合させることにより、
操作者は希望の受信局を設定していた。 Generally, in radio receivers, a variable capacitor (variable capacitor, also called an air capacitor) is often used as a tuning element, and a dial pulley is inserted into the rotating shaft of the variable capacitor, and a thread groove for a dial rope is formed on the outer periphery of the dial pulley. The rotation of the dial adjustment shaft is transmitted to the dial rope, and an indicating element such as a pointer provided at a predetermined position of the dial rope is moved to match the frequency or receiving station corresponding to the tuning position with the index. By this,
The operator had set the desired receiving station.
ところが、受信機のダイアル装置の組立時、前
記ダイアルプーリーの回転位置に応じた前記バリ
コンとの結合が前記指針等の指示用素子の最小又
は最大の移動範囲における位置を決定してしま
い、精度等が劣化するため、各種治具を必要とし
ていた。 However, when assembling the dial device of the receiver, the connection with the variable capacitor according to the rotational position of the dial pulley determines the position within the minimum or maximum movement range of the indicating element such as the pointer, which may affect accuracy etc. Various jigs were required due to deterioration.
(ハ) 考案の目的
本考案のダイアルプーリー固定装置は、何ら治
具を必要としない新規な同装置を提供するもので
ある。(c) Purpose of the invention The dial pulley fixing device of the present invention provides a novel device that does not require any jigs.
(ニ) 考案の構成
本考案は、回転軸を有する受信同調用のバリコ
ンと、小径孔、この小径孔に連設された大径孔及
び前記小径孔を中心として形成された円孤状のガ
イド溝が設けられたフレームと、前記バリコンの
回転軸が嵌入される軸孔を有し且つ一端に前記大
径孔に挿入され得る鍔部並びに中間部に前記小径
孔に挿入され得る小径孔が形成された軸部、前記
フレームのガイド溝と相対向する位置に形成され
且つ前記ガイド溝を摺動し得る突子及び外側面に
形成された糸懸部が設けられたダイアルプーリー
とを具備したことを特徴とする。(d) Structure of the invention The invention consists of a variable capacitor for reception tuning having a rotating shaft, a small diameter hole, a large diameter hole connected to the small diameter hole, and an arc-shaped guide formed around the small diameter hole. It has a frame provided with a groove, a shaft hole into which the rotating shaft of the variable capacitor is fitted, and has a flange portion that can be inserted into the large diameter hole at one end and a small diameter hole that can be inserted into the small diameter hole in the middle portion. a dial pulley provided with a shaft portion formed in the frame, a projection formed at a position opposite to the guide groove of the frame and capable of sliding in the guide groove, and a thread hanging portion formed on the outer surface. It is characterized by
(ホ) 実施例
図面に従つて本考案を説明すると、第１図はダ
イアルプーリーの斜視図、第２図は本考案のダイ
アルプーリーの固定装置に用いるフレームの平面
図、第３図は同装置の要部断面図、第４図は同装
置のダイアルプーリーをバリコン回転軸に取付け
た状態を示す要部断面図である。(E) Example The present invention will be explained with reference to the drawings. Figure 1 is a perspective view of a dial pulley, Figure 2 is a plan view of a frame used in the dial pulley fixing device of the present invention, and Figure 3 is a diagram of the same device. FIG. 4 is a cross-sectional view of the main part of the device, showing a state in which the dial pulley is attached to the rotary shaft of the variable capacitor.
以下本考案のダイアルプーリーの固定装置につ
いて説明すると、ダイアルプーリー１にはダイア
ルロープ用の糸懸部として設けた糸溝２及び突子
３、軸孔４、鍔部５、軸部６が設けてあり、一方
フレーム７には小径孔８と連続して大径孔９が設
けてあり、更に小径孔８を中心として形成された
円孤状のガイド溝１０が設けられている。１１は
バリコン１２が取付けられたプリント基板で、該
プリント基板１１はネジ１３によつて、前記フレ
ーム７の突起１４に固定される。 The dial pulley fixing device of the present invention will be explained below. The dial pulley 1 is provided with a thread groove 2 and a protrusion 3, which are provided as thread hanging parts for the dial rope, a shaft hole 4, a collar part 5, and a shaft part 6. On the other hand, the frame 7 is provided with a large-diameter hole 9 that is continuous with the small-diameter hole 8, and is further provided with an arc-shaped guide groove 10 formed around the small-diameter hole 8. Reference numeral 11 denotes a printed circuit board to which a variable capacitor 12 is attached, and the printed circuit board 11 is fixed to the protrusion 14 of the frame 7 with screws 13.
次に本考案のダイアルプーリーの固定装置につ
いてその取付け方を説明すると、ダイアル調整
軸、ダイアル指針等（いずれも図示せず）に対
し、ダイアルロープを懸架すると共に前記ダイア
ルプーリー１の大径部１５，１５間の糸溝２に前
記ダイアルロープを巻回し、所定の長さに設定し
て取付け準備を完了する。ここで第２図及び第３
図の各直径R1，R2，r1，r2をR1＜r1＜R2，r2＞R2
の関係に保つ。 Next, to explain how to install the dial pulley fixing device of the present invention, the dial rope is suspended from the dial adjustment shaft, dial pointer, etc. (none of which are shown), and the large diameter portion 15 of the dial pulley 1 is suspended. , 15, and set the dial rope to a predetermined length to complete installation preparation. Here, Figures 2 and 3
Each diameter R 1 , R 2 , r 1 , r 2 in the figure is calculated as R 1 < r 1 < R 2 , r 2 > R 2
keep it in a relationship.
斯る状態にて前記ダイアルプーリー１の突子３
をガイド溝１０に載置し、鍔部５を前記大径孔９
に嵌入し、次に軸部６を小径孔８に移動させれ
ば、該ダイアルプーリー１はフレーム７に固定保
持され、第４図の下方からバリコン１２の調整軸
１６を前記ダイアルプーリー１の軸孔４に挿入
し、該バリコン１２が取付けられたプリント基板
１１を前記フレーム７の突起１４に対してネジ１
３によつて固定すれば、ダイアルプーリー１及び
プリント基板１１はフレーム７に対して一体化さ
れる。 In such a state, the protrusion 3 of the dial pulley 1
is placed in the guide groove 10, and the flange 5 is inserted into the large diameter hole 9.
When the shaft portion 6 is inserted into the small diameter hole 8, the dial pulley 1 is fixedly held on the frame 7, and the adjustment shaft 16 of the variable capacitor 12 is inserted into the shaft portion of the dial pulley 1 from below in FIG. Insert the printed circuit board 11 with the variable capacitor 12 into the hole 4 and screw it against the projection 14 of the frame 7 with the screw 1.
3, the dial pulley 1 and printed circuit board 11 are integrated with the frame 7.
そこで受信機の組立調整工程として、前記指針
等の表示部は、前記ダイアルプーリー１を反時計
方向に回転させて突子３をガイド溝１０のＥ点に
設定すると共に前述の表示部の位置を最小位置に
設定する。これにより前記ダイアル調整軸の回転
に伴つてバリコン１２の容量値に対応して受信局
が選択され、これに応じて前記表示部において受
信局の周波数又は受信局番号等が表示される。 Therefore, in the assembly and adjustment process of the receiver, the indicator such as the pointer is set by rotating the dial pulley 1 counterclockwise to set the protrusion 3 at point E of the guide groove 10, and at the same time, the position of the indicator such as the pointer is set by rotating the dial pulley 1 counterclockwise. Set to minimum position. As a result, as the dial adjustment shaft rotates, a receiving station is selected in accordance with the capacitance value of the variable capacitor 12, and accordingly, the frequency or receiving station number of the receiving station is displayed on the display section.
一方修理点検時、先ずダイアルロープを交換す
るには、前記ダイアルプーリー１の軸部６を大径
孔９に移動させ、該ダイアルプーリー１の鍔部５
を大径孔９を通してフレーム７から取外せば良
い。 On the other hand, in order to replace the dial rope during repair and inspection, first move the shaft portion 6 of the dial pulley 1 to the large diameter hole 9, and then
can be removed from the frame 7 through the large diameter hole 9.
又修理点検時、フレーム７からネジ１３を取外
してバリコン１２が取付けられた状態のままでプ
リント基板１１を取外すこともでき、このとき前
記ダイアルプーリー１の鍔部５の直径（R2）は
フレーム７の小径孔８の直径（r1）より大であ
り、該ダイアルプーリー１は、フレームからの抜
けを防止できる。 In addition, during repair and inspection, it is also possible to remove the screws 13 from the frame 7 and remove the printed circuit board 11 with the variable capacitor 12 still attached. At this time, the diameter (R 2 ) of the flange 5 of the dial pulley 1 The dial pulley 1 is larger than the diameter (r 1 ) of the small diameter hole 8 of No. 7, and can prevent the dial pulley 1 from coming off from the frame.
(ヘ) 考案の効果
本考案のダイアルプーリーの固定装置によれ
ば、ダイアルロープの懸架作業が簡単であり、か
つ修理点検時のダイアルプーリーの取外し作業も
容易となり、本考案装置はラジオ受信機に極めて
有用である。(f) Effects of the invention According to the dial pulley fixing device of the invention, it is easy to suspend the dial rope, and the dial pulley can also be easily removed during repair and inspection. Extremely useful.
図面はいずれも本考案のダイアルプーリーの固
定装置を示し、第１図は同装置に用いるダイアル
プーリーの斜視図、第２図は同装置に用いるフレ
ームの平面図、第３図は同装置の要部断面図、第
４図は同装置のダイアルプーリーをバリコン回転
軸に取付けた状態を示す要部断面図である。
主な図番の説明、１……ダイアルプーリー、２
……糸溝、３……突子、４……軸孔、５……鍔
部、６……軸部、７……フレーム、８……小径
孔、９……大径孔、１０……ガイド溝、１１……
プリント基板、１２……バリコン。
The drawings all show the dial pulley fixing device of the present invention; Fig. 1 is a perspective view of the dial pulley used in the device, Fig. 2 is a plan view of the frame used in the device, and Fig. 3 shows the essentials of the device. FIG. 4 is a sectional view of a main part of the device showing a state in which a dial pulley is attached to a variable converter rotating shaft. Explanation of main drawing numbers, 1 ...Dial pulley, 2
... Thread groove, 3 ... Protrusion, 4 ... Shaft hole, 5 ... Flange, 6 ... Shaft, 7 ... Frame, 8 ... Small diameter hole, 9 ... Large diameter hole, 10 ... Guide groove, 11...
Printed circuit board, 12... Variable capacitor.
Claims (1)
孔、この小径孔に連設された大径孔及び前記小径
孔を中心として形成された円孤状のガイド溝が設
けられたフレームと、前記バリコンの回転軸が嵌
入される軸孔を有し且つ一端に前記大径孔に挿入
され得る鍔部並びに中間部に前記小径孔に挿入さ
れ得る小径孔が形成された軸部、前記フレームの
ガイド溝と相対向する位置に形成され且つ前記ガ
イド溝を摺動し得る突子及び外側面に形成された
糸懸部が設けられたダイアルプーリーとを具備し
たことを特徴とするダイアルプーリーの固定装
置。 A variable capacitor for reception tuning having a rotating shaft, a frame provided with a small diameter hole, a large diameter hole connected to the small diameter hole, and an arc-shaped guide groove formed around the small diameter hole, and the variable capacitor. a shaft portion having a shaft hole into which the rotating shaft of the frame is inserted, a flange portion that can be inserted into the large diameter hole at one end, and a small diameter hole that can be inserted into the small diameter hole in the middle portion; a guide groove of the frame; A dial pulley fixing device comprising: a dial pulley provided with a protrusion that is formed at a position facing the guide groove and that can slide in the guide groove; and a thread hanging portion formed on the outer surface of the dial pulley.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15231383U JPS6061838U (en) | 1983-09-30 | 1983-09-30 | Dial pulley fixing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15231383U JPS6061838U (en) | 1983-09-30 | 1983-09-30 | Dial pulley fixing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6061838U JPS6061838U (en) | 1985-04-30 |
| JPH0129861Y2 true JPH0129861Y2 (en) | 1989-09-12 |
Family
ID=30337282
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15231383U Granted JPS6061838U (en) | 1983-09-30 | 1983-09-30 | Dial pulley fixing device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6061838U (en) |
-
1983
- 1983-09-30 JP JP15231383U patent/JPS6061838U/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6061838U (en) | 1985-04-30 |
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