JPS5850818A - Dial driving device - Google Patents
Dial driving deviceInfo
- Publication number
- JPS5850818A JPS5850818A JP14870081A JP14870081A JPS5850818A JP S5850818 A JPS5850818 A JP S5850818A JP 14870081 A JP14870081 A JP 14870081A JP 14870081 A JP14870081 A JP 14870081A JP S5850818 A JPS5850818 A JP S5850818A
- Authority
- JP
- Japan
- Prior art keywords
- dial
- rotation
- thread
- gear
- tension
- 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.)
- Pending
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
- H03J1/00—Details of adjusting, driving, indicating, or mechanical control arrangements for resonant circuits in general
- H03J1/06—Driving or adjusting arrangements; combined with other driving or adjusting arrangements, e.g. of gain control
- H03J1/10—Rope drive; Chain drive
Landscapes
- Details Of Measuring And Other Instruments (AREA)
Abstract
Description
【発明の詳細な説明】
本発明は、ラジオ受信機等のダイヤル駆動装置に関する
。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a dial driving device for a radio receiver or the like.
従来この種のダイヤル駆動装置としては、第1図に示す
ように、バリコン(図示省略)に軸着したバリコンドラ
ム1にコイルバネ2を介してダイヤル糸3を固定し、こ
のダイヤル糸3をバリコンドラムl外周1、駆動軸4お
よび目盛板5の両端に配置された張架プーリ6.6間を
張架周回させた構造のものが知られている。Conventionally, as shown in FIG. 1, in this type of dial drive device, a dial thread 3 is fixed via a coil spring 2 to a variable capacitor drum 1 which is pivoted to a variable capacitor (not shown), and this dial thread 3 is connected to a variable capacitor drum 1. A structure is known in which the tension pulleys 6 and 6 disposed at both ends of the outer periphery 1, the drive shaft 4, and the scale plate 5 are rotated in a tensioned manner.
なお7は目盛板5両端のプーリ6.6間に張架しtダイ
ヤ鳶糸3に取付けたダイヤル指針である。Note that 7 is a dial pointer suspended between pulleys 6 and 6 at both ends of the scale plate 5 and attached to the T diamond thread 3.
このダイヤル駆動装置は、駆動軸4の回動によりダイヤ
ル糸3を周回移動させ、このダイヤル糸3の移動によっ
てバリコンドラムを介してバリコンを回転させるととも
に目盛板5上のダイヤル指針7を移動させ、選局と選局
指示を行なうものである。This dial drive device rotates a dial thread 3 by rotation of a drive shaft 4, rotates a variable capacitor via a variable capacitor drum and moves a dial pointer 7 on a scale plate 5 by the movement of the dial thread 3, This is used to select channels and give instructions.
しかして1選局に用9hるバリコンを回転させるに’H
するトルクは、第2図ムに示すように回転角に応じて1
例えif 50 gr−@nから400 gr−en程
度まで変化する。However, it takes 9 hours to rotate the variable capacitor for one station selection.
As shown in Fig. 2, the torque to
For example, it varies from 50 gr-@n to about 400 gr-en.
したがうてダイヤル駆動装置のダイヤル糸3には、駆動
軸4やブー96.6におけるダイヤル糸3のスリップを
防止するために、予めバリコンの回転KIFする最大回
転トルク(400gr−em )に更にスリップ防止の
余裕トルク(!$00 green程度)を加えた回転
トルク(約70Ogr−am ) (同図B)を得るた
めの張力(soo g 程度)が加えられてV、る。Therefore, in order to prevent the dial thread 3 of the dial drive device from slipping on the drive shaft 4 or the boot 96.6, the dial thread 3 of the dial drive device is preliminarily set to the maximum rotational torque (400 gr-em) of the rotation KIF of the variable condenser to prevent slipping. A tension (about sooo g) is applied to obtain a rotational torque (about 70 Og-am) (about 70 Og-am) (see figure B), which includes an extra torque (about !$00 green).
この張力は主にバリコンドラムIK取付けたコイルバネ
2の張力を用iて与えられて%7aた。This tension was mainly given using the tension of the coil spring 2 attached to the variable converter drum IK, and was %7a.
このためダイヤル糸3には、常に5009@度の張力が
加えられることとなり、ダイヤル糸3が延びてダイヤル
糸のおどり、断線、スリップを生ずる欠点があり、tた
ダイヤル指針7の選局指示も不正確となる難点もあった
。For this reason, a tension of 5009 degrees is always applied to the dial thread 3, which has the disadvantage that the dial thread 3 stretches and causes the dial thread to dance, break, or slip. There was also the problem of inaccuracy.
%に、小型のラジオ受信機や小型シジオ付テープレコー
ダ虻おいては直径0.5−程度のダイヤル糸か使用され
、一般の卓上型ラジオ受信機等に用%1hられる直径0
.5閣 程度のダイヤル糸より更に細vまため、上述の
如きダイヤル糸の延びが大きな障害となってV為た。A dial thread with a diameter of about 0.5 mm is used in small radio receivers and tape recorders with small radio receivers, and a dial thread with a diameter of about 0.5 mm is used in general desk-top radio receivers, etc.
.. It was even thinner than the dial thread of the 5th grade, and the elongation of the dial thread as described above was a major obstacle.
本発明は以上の欠点を解消するため和なされたものであ
り、バリコンの回動に必要な回転トルクに応じた張力を
ダイヤル糸に加え、ダイヤル糸の延びを防止してダイヤ
ル糸の断線やスリ、ブ等ヲ改良したダイヤル駆動装置の
提供を目的とする。The present invention has been devised to eliminate the above-mentioned drawbacks, and it applies tension to the dial thread according to the rotational torque necessary for rotating the variable capacitor, thereby preventing the dial thread from elongating and preventing breakage and slippage of the dial thread. The purpose of the present invention is to provide a dial drive device with improved functions such as .
この目的を達成するために本発明は、バリコンに軸着し
たバリコンドラムに周回サセたダイヤル糸を、張架ブー
りとダイヤル駆動軸間にループ状に張架させ」ダイヤル
糸にダイヤル指針を取付けて成るダイヤル駆動装置にお
I/1て、前記ダイヤル糸に圧装させたテンシ曹ンロー
ラと、前記駆動軸に連動し前記バリコンの回転トルクの
増減に対応して前記テンシlンローラの押圧力を増減さ
せる押圧力調整機構とを具備したことを特徴とするもの
である・
以下本発明の実施例を詳細に説明する。In order to achieve this object, the present invention has developed a system in which a dial thread, which is looped around a variable condenser drum that is pivoted on a variable condenser, is stretched in a loop between a tensioning bobbin and a dial drive shaft, and a dial pointer is attached to the dial thread. The dial drive device includes a tension roller press-fitted to the dial thread, and a tension roller that is linked to the drive shaft and adjusts the pressing force of the tension roller in response to an increase or decrease in the rotational torque of the variable capacitor. The present invention is characterized in that it is equipped with a pressing force adjustment mechanism that increases or decreases the pressure.Examples of the present invention will be described in detail below.
なお第1図と同一部分には同一符号を付す。Note that the same parts as in FIG. 1 are given the same reference numerals.
第i#!Jは零兇嘴の一実施例を示す部分斜視図である
。i #! J is a partial perspective view showing one embodiment of the zero beak.
同図K・お−でバリコンドラム1には図示を省略したバ
リコンの回動軸が軸着され、ドラム側面凹118には一
端をこのバリコンドラムIK引掛は他端にダイヤル糸3
を結んだ引張りコイルバネ2が収められてV)る。A rotary shaft of a variable capacitor (not shown) is attached to the variable capacitor drum 1 in K and O in the same figure, and one end of the variable capacitor drum IK hook is attached to the dial thread 3 at the other end.
A tension coil spring 2 tied together is housed in the V).
ダイヤル糸3は、バリコンドラム1の外jffl溝に1
〜2回巻回され、駆動軸4、目盛ll1L5を挾んで軸
支された張架プーリ6.6(一方図示省略)間をループ
状に周回されてV〒る。The dial thread 3 is inserted into the outer jffl groove of the variable converter drum 1.
It is wound twice and is wound in a loop between the drive shaft 4 and a tension pulley 6.6 (one not shown) which is pivotally supported by sandwiching the scale 11L5.
目盛板50両端部に配置された前記プーリ6関に張架さ
れたダイヤル糸3には、ダイヤル指針7をMする移動子
9が固定されている。A mover 9 for moving the dial pointer 7 is fixed to the dial thread 3 stretched between the pulleys 6 arranged at both ends of the scale plate 50.
駆動軸4虻は、ダイヤル糸3が2〜S@巻回されており
、駆動軸40回動力によりダイヤル糸30周回移動を可
能にして%1hる。The dial thread 3 is wound 2 to S@ around the drive shaft 4, and the dial thread 3 can be moved 30 times by the power of the drive shaft 40 times for %1 hour.
また駆動軸4にはダイヤル糸3の押圧力を増減する押圧
力調整機構10が連結されている。Further, a pressing force adjustment mechanism 10 that increases or decreases the pressing force of the dial thread 3 is connected to the drive shaft 4.
この押圧力調整機構10は、駆動軸4に軸着された歯車
11 と、この歯車11 と噛合可能に軸支された歯車
12と、この歯車12の側面にテンシ1ンバー13を介
して軸承され、ダイヤル糸3に圧接するテンシlンロー
ラ14から構成され、駆動軸4の回動により、歯車11
に噛合う歯車120回転軸121を支嵐としてテンシ1
ンローツ13が矢符C−D方向(円周方向)の往復動自
在となりでV島る。This pressing force adjustment mechanism 10 includes a gear 11 that is pivotally attached to the drive shaft 4, a gear 12 that is pivotally supported so as to mesh with the gear 11, and a gear 12 that is pivotally supported on the side surface of the gear 12 via a tension member 13. , a tension roller 14 that presses against the dial thread 3, and the gear 11 is rotated by rotation of the drive shaft 4.
The gear 120 meshing with the rotating shaft 121 is used as a support for the tension 1.
The joint 13 is able to freely reciprocate in the direction of arrow C-D (circumferential direction) and forms a V island.
なお、バリコンドラムl、駆動軸4、目盛板5゜プーリ
6および歯車12は第5図に示すようにラジオ受信機の
ケース(キャビネット)15やケース内の補助層板16
K支持され、移動子9は目盛板5や、案内棒(図示省
略)岬に支持される。17′はツマミである。The variable converter drum l, drive shaft 4, scale plate 5° pulley 6, and gear 12 are installed in the case (cabinet) 15 of the radio receiver or the auxiliary layer plate 16 inside the case, as shown in FIG.
K is supported, and the mover 9 is supported by the scale plate 5 and the guide rod (not shown) cape. 17' is a knob.
次に本発明のダイヤル装置の動作を説明する。Next, the operation of the dial device of the present invention will be explained.
本ダイヤル駆動装置Kか―で、駆動軸4を回動すること
によりダイヤル糸3を周回移動させ、バリコンドラム1
を介してバリコンな回動させるとと−に指針7を移動さ
せる動作は、第1図の従来例と同様であり1本ダイヤル
駆動装置は、押圧力調整機構lOを特徴とする。By rotating the drive shaft 4 with this dial drive device K, the dial thread 3 is moved around, and the variable condenser drum 1 is rotated.
The operation of moving the pointer 7 in the variable-contact direction through the variable contactor is similar to the conventional example shown in FIG. 1, and the one-dial drive device is characterized by a pressing force adjustment mechanism IO.
つまり駆動軸4を回動すると、歯車11と噛合可能にケ
ース等に軸支された歯車12が回動する。That is, when the drive shaft 4 is rotated, the gear 12, which is pivotally supported by a case or the like so as to be able to mesh with the gear 11, rotates.
歯車12は回動軸121が固定されてvするので。Since the rotation shaft 121 of the gear 12 is fixed, it rotates.
歯車12の回動によりテンシ嘗ンパー13 先端のテン
シ欝ンローラ14が回動軸12’を中心として矢符C−
D方向に円周運動する。Due to the rotation of the gear 12, the tension roller 14 at the tip of the tension roller 13 rotates around the rotation shaft 12' at the arrow mark C-.
Circumferential movement in the D direction.
したがつて駆動軸4の回動により、駆動軸4とプーリ6
間に直線的に張架されたダイヤル糸3ヘテンシ、ンロー
ラ14で第3図中破線の如くに張力な加えたり、またも
どすことが可能となる。Therefore, due to the rotation of the drive shaft 4, the drive shaft 4 and the pulley 6
The dial thread 3 is tensioned linearly between the tension rollers 14, and it is possible to apply and release tension as shown by the broken line in FIG.
そこで、バリコンの回動のため最大回転トルク(400
gr−am )が必要な場合にテンシ箇ンローラ14が
ダイヤル糸3に最も強い張力を与えるような位置構成と
しておけば、駆動軸40回動により、バリコンの回転ト
ルクの増減に対応した抑圧力をダイヤル糸に加える仁と
が可能となる。Therefore, the maximum rotational torque (400
gr-am), if the tension roller 14 is positioned so as to give the strongest tension to the dial thread 3, the rotation of the drive shaft 40 will produce a suppressing force that corresponds to the increase or decrease in the rotational torque of the variable capacitor. It becomes possible to add thread to the dial thread.
なお、ダイヤル糸3に与える張力は、バリコンの最小回
転トルク(5Q gr−am )をバリコンドラム1の
コイルバネ2の張力により、ダイヤル糸3のスリップ防
止のための余裕トルクおよびバリコンの回転に伴なVh
増減する回転トルク分を押圧力調整機構lOに分担させ
るとよ%g。The tension applied to the dial thread 3 is determined by adding the minimum rotational torque (5Q gr-am) of the variable capacitor to the tension of the coil spring 2 of the variable capacitor drum 1, the extra torque for preventing the dial thread 3 from slipping, and the rotation of the variable capacitor. Vh
If the increasing or decreasing rotational torque is shared by the pressing force adjustment mechanism IO, then %g.
第4図は、第′5図の装置におけるバリコンの回転トル
クAの変化と、ダイ駅ル糸3の有する回転トルクEの変
化を示す特性図°である。FIG. 4 is a characteristic diagram showing changes in the rotational torque A of the variable capacitor and changes in the rotational torque E of the die coil yarn 3 in the apparatus shown in FIG. '5.
また上述の押圧力調整機構1Gは、歯車1h12ンロー
ラ14を円周動させてダイヤル糸の張力を連続的に増減
させる機構を示したが1本発明におV&ではこの例に限
らず、例えば駆動軸4に軸着したビニオン’h、rンシ
冒ンローラ14を軸支t、−/?ラックとの組合せ機構
による進退動によっても実現可能である。Further, the above-mentioned pressing force adjustment mechanism 1G shows a mechanism in which the gear 1h12 and the roller 14 are moved circumferentially to continuously increase and decrease the tension of the dial thread. Binion 'h', r, which is pivotally attached to the shaft 4, supports the opening roller 14, t, -/? This can also be realized by moving forward and backward using a mechanism combined with a rack.
要は、ダイヤル糸3に圧接させるテンシロンローラ14
V、駆動軸4に連動するとともにバリコンの1転トル
クの増減に対応して押圧力を増減させる機構であればよ
い。In short, the tensilon roller 14 that is brought into pressure contact with the dial thread 3
V, any mechanism may be used as long as it is linked to the drive shaft 4 and increases or decreases the pressing force in response to an increase or decrease in the one-turn torque of the variable capacitor.
以上説明したように本発明は、ダイヤル駆動装置にお−
では、ダイヤル糸に1接したテンシロンローラと、駆動
軸に連動するとともにバリコンの回転トルクの増減に応
じてテンシロンローラの押圧力を増・滅させる押圧力調
整機構とを具備したことにより、常に大きな張力がダイ
ヤル糸に加わることがなくなりてダイヤル糸の延びが防
止されるため、ダイヤル糸のおどり、断線およびスリッ
プが防止され1.ダイヤル指針の目盛指示も正確となる
。As explained above, the present invention provides a dial driving device.
The system is equipped with a Tensilon roller that is in direct contact with the dial thread, and a pressing force adjustment mechanism that is linked to the drive shaft and increases or decreases the pressing force of the Tensilon roller in accordance with increases and decreases in the rotating torque of the variable condenser. Since no tension is applied to the dial thread and the dial thread is prevented from elongating, the dial thread is prevented from dancing, breaking and slipping.1. The scale indication of the dial pointer also becomes accurate.
第1図は従来のダイヤル駆動装置の概Wt−示す図、第
2図は第1図のダイヤル駆動装置の回転トルク特性図、
第S図は本発明のダイヤル駆動装置の一実施鴫を示す部
分斜視図、第4図は第5図のダイヤル駆動装置の回転ト
ルク特性図、第5図は第5図のダイヤル駆動装置の取付
構造を示す側面図である。
1・・・バリコンドラム 3・・・ダイヤル糸4・・
・駆動軸 5・・・目盛板6・・・張架プー
リ 7・・・指 針10 ・・・押圧力調整機構
11112・・・歯 車14 ・・・テンシ嘗ンロ
ーラ
(77g4)代理人弁理士 須i1J佐どi第1図
第2図
パリコンロ転1i!5(’ )
第5図Fig. 1 is a diagram showing the general Wt of a conventional dial drive device, Fig. 2 is a rotational torque characteristic diagram of the dial drive device in Fig. 1,
Fig. S is a partial perspective view showing an embodiment of the dial driving device of the present invention, Fig. 4 is a rotational torque characteristic diagram of the dial driving device of Fig. 5, and Fig. 5 is an installation of the dial driving device of Fig. 5. FIG. 3 is a side view showing the structure. 1...Varicon drum 3...Dial thread 4...
・Drive shaft 5... Scale plate 6... Tension pulley 7... Pointer 10... Pressing force adjustment mechanism 11112... Gear 14... Tensile roller (77g4) Representative patent attorney Sui1JSadoiFigure 1Figure 2Paris stove rotation 1i! 5(') Figure 5
Claims (1)
ル糸を、張架プーリと駆動軸間にループ・状に張架させ
、ダイヤル糸にダイヤル指針を取付けて成る°ダイヤル
駆動装置において、前記ダイヤル糸に圧接させたテンシ
鵞ンローラと、前記駆動軸に連動し前記バリコンの回転
トルクの増減に対応して前記テンションローラの押圧力
を増減させる押圧力調整機構とを具備したことを特徴と
するダイヤル駆動装置。In a dial drive device, a dial thread, which is wound around a variable condenser drum that is pivoted on a variable condenser, is stretched in a loop between a tension pulley and a drive shaft, and a dial pointer is attached to the dial thread. A dial drive device comprising: a tension roller brought into pressure contact; and a pressing force adjustment mechanism that is interlocked with the drive shaft and increases or decreases the pressing force of the tension roller in response to an increase or decrease in the rotational torque of the variable capacitor. .
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP14870081A JPS5850818A (en) | 1981-09-22 | 1981-09-22 | Dial driving device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP14870081A JPS5850818A (en) | 1981-09-22 | 1981-09-22 | Dial driving device |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5850818A true JPS5850818A (en) | 1983-03-25 |
Family
ID=15458637
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP14870081A Pending JPS5850818A (en) | 1981-09-22 | 1981-09-22 | Dial driving device |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5850818A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2008232675A (en) * | 2007-03-16 | 2008-10-02 | Yazaki Corp | Meter device |
DE102011001051B4 (en) * | 2010-03-12 | 2019-06-27 | Visteon Global Technologies, Inc. | Pointer movement architecture for status display in vehicle |
-
1981
- 1981-09-22 JP JP14870081A patent/JPS5850818A/en active Pending
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2008232675A (en) * | 2007-03-16 | 2008-10-02 | Yazaki Corp | Meter device |
US7703410B2 (en) * | 2007-03-16 | 2010-04-27 | Yazaki Corporation | Vehicle gauge having a pointer configured to travel about a gauge face |
DE102008013561B4 (en) * | 2007-03-16 | 2011-06-22 | Yazaki Corp. | gauge |
DE102011001051B4 (en) * | 2010-03-12 | 2019-06-27 | Visteon Global Technologies, Inc. | Pointer movement architecture for status display in vehicle |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JPS5826769A (en) | Bobbin device | |
US2467507A (en) | Wire feed for magnetic recorders | |
US4173320A (en) | Direct drive for fast forward and reverse in tape deck | |
US4099403A (en) | In-line wire drawing machine | |
US3072350A (en) | Builder mechanism | |
JPS5850818A (en) | Dial driving device | |
US2514264A (en) | Brake of the torsion spring and drum type | |
IT1076176B (en) | Strand carrier for unwinding gives controlled rotation of bobbins - by frictional application of helical clutch spring | |
US2978198A (en) | Drive for tape recorder | |
US3938751A (en) | Device for continuously treating wires | |
JP3071458B2 (en) | Recorder equipped with roll drive and tape drive | |
JPS5926895A (en) | Winch device | |
US2586470A (en) | Fabric roll take-up for knitting machines | |
US2465356A (en) | Tension device for thread handling machines | |
SU1758107A1 (en) | Fabric-reeling mechanism of circular-knitting machine | |
US3760136A (en) | Switching device for a tone band drive | |
JPS5628339A (en) | Stepless transmission device | |
SU584064A1 (en) | Cable-winding device | |
SU947885A1 (en) | Tape driving device | |
JPS62130714A (en) | Metal plate winding device | |
SU1721338A1 (en) | Belt transmission | |
US2880645A (en) | Attachment for maintaining synchronism in a film winding apparatus | |
SU647031A1 (en) | Thread tension regulator | |
SU928492A1 (en) | Device for electric power supply to movable object | |
JPS6235156Y2 (en) |