JPS6340301A - Rotary operation type variable resistor - Google Patents
Rotary operation type variable resistorInfo
- Publication number
- JPS6340301A JPS6340301A JP18370386A JP18370386A JPS6340301A JP S6340301 A JPS6340301 A JP S6340301A JP 18370386 A JP18370386 A JP 18370386A JP 18370386 A JP18370386 A JP 18370386A JP S6340301 A JPS6340301 A JP S6340301A
- Authority
- JP
- Japan
- Prior art keywords
- knob
- resistive
- variable resistor
- printed layer
- board
- 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.)
- Granted
Links
- 125000006850 spacer group Chemical group 0.000 claims description 9
- 239000011347 resin Substances 0.000 claims description 8
- 229920005989 resin Polymers 0.000 claims description 8
- 239000004020 conductor Substances 0.000 description 6
- 229910052751 metal Inorganic materials 0.000 description 5
- 239000002184 metal Substances 0.000 description 5
- 239000000758 substrate Substances 0.000 description 3
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 2
- 229910052709 silver Inorganic materials 0.000 description 2
- 239000004332 silver Substances 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000013013 elastic material Substances 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 229910000679 solder Inorganic materials 0.000 description 1
Landscapes
- Adjustable Resistors (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
【発明の詳細な説明】
産業上の利用分野
本発明は主として小形ラジオ・ラジカセ等の民生用小形
音響機器に使用される回転操作式可変抵抗器に関するも
のである。DETAILED DESCRIPTION OF THE INVENTION Field of Industrial Application The present invention relates to a rotary variable resistor used primarily in small consumer audio equipment such as small radios and radio-cassette players.
従来の技術
従来の一般的な可変抵抗器の例を第5図および第6図に
示す。第5図は側断面図、第6図は構成部品を示す分解
斜視図である。2. Description of the Related Art Examples of conventional general variable resistors are shown in FIGS. 5 and 6. FIG. 5 is a side sectional view, and FIG. 6 is an exploded perspective view showing the components.
同図において、1は絶縁樹脂材から成る抵抗基板で、そ
の表面には馬蹄形抵抗印刷層2およびその始終端導出部
3.4と、円形導体層5およびその導出部6が配され、
その中心には円形小孔7が設けられている。8は上記導
出部3,4.6に取付けられる外部接続用端子で、その
鎖部8aを抵抗基板1の各導出部3,4.6の取付孔3
a。In the figure, reference numeral 1 denotes a resistance board made of an insulating resin material, on the surface of which are arranged a horseshoe-shaped resistor printed layer 2, its starting and ending lead-out parts 3.4, and a circular conductor layer 5 and its lead-out parts 6.
A small circular hole 7 is provided in the center. 8 is an external connection terminal to be attached to the lead-out parts 3, 4.6, and the chain part 8a is connected to the mounting hole 3 of each lead-out part 3, 4.6 of the resistance board 1.
a.
4a、61Lに鮫めることによシ導通固定される。4a and 61L, conduction is fixed.
9は弾性金属薄板から成る摺動接点で、上記抵抗基板1
上の抵抗印刷層2および円形導体層6間を短絡しながら
夫々の上を回転摺動する弾性接点部10.11を有し、
その固定部12の孔12aに円板状ツマミ13のダボ(
図示せず)を通し鮫めることによシツマミ13の下面に
取付けられている。このツマミ13は絶縁樹脂から成シ
、その外径は前記抵抗基板1よシも大きく、中心には円
形孔14を有している。そして15は金属板から成る固
定用金具で、この中心にもやはり孔16があけられてお
シ、これらツマミ13、抵抗基板1および固定用金具1
5を重ね合わせてこれらの中心孔14,7および16に
段付銀17をツマミ13側から通して固定用金具15の
裏側に出た先端部を双めることによシ可変抵抗器として
組み立てられている。Reference numeral 9 denotes a sliding contact made of an elastic thin metal plate, which is connected to the resistor substrate 1.
It has an elastic contact portion 10.11 that rotates and slides on the upper resistive printed layer 2 and the circular conductor layer 6 while short-circuiting them,
The dowel (
(not shown) is attached to the lower surface of the knob 13. This knob 13 is made of insulating resin, has a larger outer diameter than the resistor board 1, and has a circular hole 14 in the center. Reference numeral 15 denotes a fixing fitting made of a metal plate, which also has a hole 16 in its center, which holds the knob 13, the resistance board 1, and the fixing fitting 1.
5, and pass the stepped silver 17 through the center holes 14, 7 and 16 from the knob 13 side, and align the tips protruding from the back side of the fixing fitting 15, thereby assembling it as a variable resistor. There is.
尚、この時ツマミ13は段付銀17を軸として自由に回
転できるように、その孔14の径および厚さ寸法に余裕
が設けられていると共に、固定用金具15の突起部18
に当接してその回転角度範囲を規制するためのストッパ
一部(図示せず)がその外周近くに設けられている。At this time, so that the knob 13 can freely rotate around the stepped silver 17, the diameter and thickness of the hole 14 are provided with an allowance, and the protrusion 18 of the fixing metal fitting 15 is provided with an allowance.
A part of a stopper (not shown) is provided near the outer periphery of the stopper for abutting against the rotation angle range of the rotation angle.
本タイプ可変抵抗器をセットに取り付ける際には、固定
用金具15の取付足部19および3個の外部接続用端子
8をプリント基板2oの孔に挿入して裏側で半田付けす
ることによシ取り付けられる。When installing this type of variable resistor into a set, insert the mounting foot 19 of the fixing bracket 15 and the three external connection terminals 8 into the holes of the printed circuit board 2o and solder them on the back side. It is attached.
そして、ツマミ13の外周を指で押して回転させること
によシ摺動接点10.11が抵抗印刷層2および円形導
体層5上を回転摺動して外部接続用端子8間に取シ出さ
れる抵抗値が変化するものである。Then, by pressing the outer circumference of the knob 13 with a finger and rotating it, the sliding contact 10.11 rotates and slides on the resistive printed layer 2 and the circular conductor layer 5, and is taken out between the external connection terminals 8. The resistance value changes.
発明が解決しようとする問題点
ところで、可変抵抗器メーカはセットメーカの要望に応
じて可変抵抗器を作るのであるが、その要望内容はセッ
トの設計によって変わってくる。Problems to be Solved by the Invention By the way, variable resistor manufacturers produce variable resistors according to the requests of set manufacturers, and the contents of the requests vary depending on the design of the set.
そして、本タイプ可変抵抗器においては、抵抗素子(抵
抗体印刷属2)の抵抗値・抵抗変化特性の変更が最も多
く、次にツマミ13の色・形状等の違いが出てくる。と
ころが、上記の如き従来の構成においては、これら最も
変更の多い部品が組み立て上の基本構成部品となってい
る。従って、可変抵抗器メーカにおいてはセットメーカ
の注文が出されるまで組み立ての準備ができず、また多
種類のものをまとめて一括自動組み立てをするのにも非
常に不都合であった。In this type of variable resistor, the resistance value and resistance change characteristics of the resistance element (printed resistor element 2) are most often changed, followed by the color, shape, etc. of the knob 13. However, in the conventional configuration as described above, these parts that change the most are the basic components for assembly. Therefore, the variable resistor manufacturer cannot prepare for assembly until an order is placed by the set manufacturer, and it is also very inconvenient to automatically assemble many types of products at once.
本発明は上記問題点を除去でき、さらにツマミと基体部
との位置関係の安定する可変抵抗器を提供せんとするも
のである。The present invention aims to provide a variable resistor that can eliminate the above-mentioned problems and further stabilize the positional relationship between the knob and the base portion.
問題点を解決するための手段
そこで本発明は、樹脂製の操作用ツマミと、この操作用
ツマミに装着されるとともに、その片側表面に略同心状
に抵抗印刷層と導電体印刷層とを有する抵抗基板と、こ
の抵抗基板上の抵抗印刷層および導電印刷層のそれぞれ
に対応する位置に先端接点部を有する弾性接点体を固定
した絶縁性樹脂製の基体部とを備え、上記基体部から支
柱を立設するとともに、この支柱を上記抵抗基板とツマ
ミの孔を貫通させてツマミを回動自在とし、このツマミ
を貫通した部分の支柱部に段を設け、この段にスペーサ
をのせ、このスペーサ上の支柱部に抜け止め構成を施し
た回転操作式可変抵抗器。Means for Solving the Problems Therefore, the present invention includes an operating knob made of resin, and a resistor printed layer and a conductive printed layer attached to the operating knob and substantially concentrically formed on one surface of the operating knob. It is equipped with a resistance board, and a base made of insulating resin on which elastic contact bodies having tip contact parts are fixed at positions corresponding to the resistance printed layer and the conductive printed layer on the resistance board. At the same time, this support is passed through the resistance board and the hole in the knob to make the knob rotatable, a step is provided on the support at the part that passes through this knob, a spacer is placed on this step, and the spacer A rotary-operable variable resistor with a locking structure on the upper column.
作用
以上の構成とすれば基体部を基本とし、ツマミと抵抗基
板さえ交換すれば各種要請に簡単に対応でき、またスペ
ーサ上で抜け止め構成を施すのでツマミのおさえすぎを
防止できるのである。If the configuration is more than functional, it will be based on the base part, and can easily meet various requests by simply replacing the knob and the resistance board.Furthermore, since a retaining structure is provided on the spacer, it is possible to prevent the knob from being held down too much.
実施例
本発明の可変抵抗器の一実施例を第1図〜第4図に示す
。Embodiment An embodiment of the variable resistor of the present invention is shown in FIGS. 1 to 4.
図において21は成形樹脂製の円形ツマミで、その中心
部には円形孔22を有し、下面の外周近くには細い円環
部23を有している。In the figure, reference numeral 21 denotes a circular knob made of molded resin, which has a circular hole 22 in its center and a thin annular portion 23 near the outer periphery of its lower surface.
ツマミ円環部23の内側には、第3図に示すように、絶
縁材料から成る円形の抵抗基板24がその中心部の円形
孔26と円形ツマミ21の円形孔22を対応させて配置
されている。′またその際抵抗基板24の切欠部26を
円形ツマミ21の突起部27にガタッキなくはめ込むこ
とにより位置決め装着している。さらにこの面には円形
の一部が欠いた形状の抵抗印刷層28、この抵抗印刷欠
除部の両側の終端29a、29bとそれぞれ導通した円
形導電体印刷層30.31が、抵抗印刷層28の中心孔
25に対して同心円状に配されている。As shown in FIG. 3, inside the knob annular portion 23, a circular resistance substrate 24 made of an insulating material is arranged so that the circular hole 26 in the center corresponds to the circular hole 22 of the circular knob 21. There is. 'Furthermore, at this time, the notch 26 of the resistance board 24 is fitted into the protrusion 27 of the circular knob 21 without play, thereby positioning and mounting. Furthermore, on this surface, there are a resistor printed layer 28 having a circular shape with a partially cut out portion, and circular conductor printed layers 30 and 31 electrically connected to the terminal ends 29a and 29b on both sides of the resistor printed layer 28, respectively. They are arranged concentrically with respect to the center hole 25 of.
32は絶縁性樹脂より成る基体部で、第4図(a)に平
面、第4図(b)にそのA −A’断面を示す。すなわ
ち、基体部32の中心には円形ツマミ21の円形孔22
を支持する段付支柱33を有し、その大径支柱33bで
ツマミ21の円形孔22を回転可能に嵌合支持し、その
上方に突き出た先端部小判型支柱33aの段に弾性体よ
りなるスペーサ34をのせ、熱絞め等の工法によp段付
支柱33上端を押広げることによりツマミ21を抜け止
め保持している。また、基体部32の突起32Δはツマ
ミ21の突部27と当接してツマミ210回転角度範囲
を規制するストッパーの役目をする。Reference numeral 32 denotes a base portion made of insulating resin, whose plan view is shown in FIG. That is, the circular hole 22 of the circular knob 21 is located at the center of the base portion 32.
The large-diameter support 33b rotatably fits into and supports the circular hole 22 of the knob 21, and the step of the oval-shaped support 33a at the tip protruding upward is made of an elastic material. The knob 21 is held in place by placing a spacer 34 on it and pushing out the upper end of the p-stepped support 33 using a construction method such as heat tightening. Further, the protrusion 32Δ of the base portion 32 comes into contact with the protrusion 27 of the knob 21 and serves as a stopper for regulating the rotation angle range of the knob 210.
また、基体部32の平板部には、弾性金属板から成り、
上記抵抗基板24面の抵抗印刷層28および円形導電体
印刷層30.31に弾接する接点部35,36.37を
有する3個の独立した弾性接点体が、その弾性脚3B、
39.40の根元部を内部にインサート成形することに
より固定されている。そして弾性脚3B、39.40は
更に外部まで延長されて外部接続用端子部41,42゜
43を形成している。Further, the flat plate portion of the base portion 32 is made of an elastic metal plate,
Three independent elastic contact bodies each having contact portions 35, 36, 37 that come into elastic contact with the resistor printed layer 28 and the circular conductor printed layer 30, 31 on the surface of the resistor substrate 24 have elastic legs 3B,
It is fixed by insert molding the root part of 39.40 inside. The elastic legs 3B, 39, 40 are further extended to the outside to form external connection terminal portions 41, 42, 43.
尚、以上記載した本実施例の可変抵抗器としての操作は
、従来のタイプと同じである。The operation of the variable resistor of this embodiment described above is the same as that of the conventional type.
本可変抵抗器は以上の如く構成されるものであシ、弾性
脚38,39.40を固定した基体部32に対して抵抗
基板24を装着したツマミ21を組み合わせることによ
シ組み立てられる。This variable resistor is constructed as described above, and is assembled by combining the knob 21 with the resistance board 24 attached to the base portion 32 to which the elastic legs 38, 39, 40 are fixed.
発明の効果
可変抵抗器を使用するセントの設計によって変更される
可能性の少ない基体部を基本として、変更される可能性
の高い抵抗基板とツマミを組み合わせる方式である。従
って、可変抵抗器メーカにおいては、弾性接点体を固定
した基体部をあらかじめまとめて製作準備しておくこと
が可能であり、また、この弾性接点体形成用の金属板を
連続フープ状に結合しておき、これをペースとした連続
自動組み立ての導入も可能である。Effects of the Invention This is a method of combining a resistance board and a knob, which are likely to be changed, based on a base part that is unlikely to be changed due to the cent design using a variable resistor. Therefore, it is possible for variable resistor manufacturers to prepare the base part to which the elastic contact body is fixed in advance, and also to combine the metal plates for forming the elastic contact body into a continuous hoop shape. It is also possible to introduce continuous automatic assembly based on this pace.
また、ツマミを貫通した支柱の段にスペーサをのせ、こ
のスペーサ上の支柱部に抜け止め構成を施したので、抜
け止め構成が下がりすぎてツマミの回転を阻害すること
もなくなる。Further, since a spacer is placed on the step of the support that passes through the knob, and a retaining structure is applied to the support on the spacer, the retainer does not fall too low and impede the rotation of the knob.
第1図は本発明の一実施例にかかる回転操作式可変抵抗
器の一部切欠斜視図、第2図は第1図で用いられるツマ
ミの平面図、第3図は第1図で用いられる抵抗基板の平
面図、第4図(a)は第1図で用いられる基体部の平面
図、同図(b)は同図(a)のムA/断面図、第6図は
従来の回転操作式可変抵抗器の側断面図、第6図は従来
の回転操作式可変抵抗器の分解斜視図である。
21・・・・・・ツマミ、24・・・・・・抵抗基板、
28・・・・・抵抗印刷層、30.31 ・・・・・円
形導体印刷層、32・ ・基体部、33・・・・・段付
支柱、34・・・・スペーサ、35.36.37・・・
・弾性接点部。
代理人の氏名 弁理士 中 尾 敏 男 ほか1名@1
図
第3図
第4図Fig. 1 is a partially cutaway perspective view of a rotary variable resistor according to an embodiment of the present invention, Fig. 2 is a plan view of a knob used in Fig. 1, and Fig. 3 is a plan view of a knob used in Fig. 1. 4(a) is a plan view of the base used in FIG. 1, FIG. 4(b) is a cross-sectional view of the resistor board used in FIG. 4(a), and FIG. 6 is a conventional rotating FIG. 6 is a side sectional view of the operated variable resistor and an exploded perspective view of a conventional rotary operated variable resistor. 21...Knob, 24...Resistance board,
28...Resistance printed layer, 30.31...Circular conductor printed layer, 32...Base part, 33...Stepped support, 34...Spacer, 35.36. 37...
・Elastic contact part. Name of agent: Patent attorney Toshio Nakao and 1 other person @1
Figure 3 Figure 4
Claims (1)
れるとともに、その片側表面に略同心状に抵抗印刷層と
導電体印刷層とを有する抵抗基板と、この抵抗基板上の
抵抗印刷層および導電印刷層のそれぞれに対応する位置
に先端接点部を有する弾性接点体を固定した絶縁性樹脂
製の基体部とを備え、上記基体部から支柱を立設すると
ともに、この支柱を上記抵抗基板とツマミの孔を貫通さ
せてツマミを回転自在とし、このツマミを貫通した部分
の支柱部に段を設け、この段にスペーサをのせ、このス
ペーサ上の支柱部に抜け止め構成を施した回転操作式可
変抵抗器。An operating knob made of resin, a resistive board attached to the operating knob and having a resistive printed layer and a conductive printed layer substantially concentrically on one surface of the resistive board, a resistive printed layer on the resistive board, and a resistive printed layer on the resistive board. A base made of insulating resin is provided with elastic contact bodies having tip contact portions fixed at positions corresponding to each of the conductive printed layers, a support is erected from the base, and the support is connected to the resistor board. A rotary operation type in which a hole in the knob is passed through to make the knob freely rotatable, a step is provided on the column where the knob passes through, a spacer is placed on this step, and the column above the spacer is configured to prevent it from coming off. Variable resistor.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP61183703A JPH07123081B2 (en) | 1986-08-05 | 1986-08-05 | Rotatable variable resistor |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP61183703A JPH07123081B2 (en) | 1986-08-05 | 1986-08-05 | Rotatable variable resistor |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS6340301A true JPS6340301A (en) | 1988-02-20 |
JPH07123081B2 JPH07123081B2 (en) | 1995-12-25 |
Family
ID=16140471
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP61183703A Expired - Lifetime JPH07123081B2 (en) | 1986-08-05 | 1986-08-05 | Rotatable variable resistor |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH07123081B2 (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1085881C (en) * | 1996-05-08 | 2002-05-29 | 阿尔卑斯电气株式会社 | Electric part |
CN1094238C (en) * | 1996-05-08 | 2002-11-13 | 阿尔卑斯电气株式会社 | Electrical parts |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS57109303A (en) * | 1980-12-26 | 1982-07-07 | Nippon Electric Co | Variable resistor |
-
1986
- 1986-08-05 JP JP61183703A patent/JPH07123081B2/en not_active Expired - Lifetime
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS57109303A (en) * | 1980-12-26 | 1982-07-07 | Nippon Electric Co | Variable resistor |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1085881C (en) * | 1996-05-08 | 2002-05-29 | 阿尔卑斯电气株式会社 | Electric part |
CN1094238C (en) * | 1996-05-08 | 2002-11-13 | 阿尔卑斯电气株式会社 | Electrical parts |
Also Published As
Publication number | Publication date |
---|---|
JPH07123081B2 (en) | 1995-12-25 |
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Legal Events
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