JP3128968B2 - High voltage variable resistor and manufacturing method thereof - Google Patents

High voltage variable resistor and manufacturing method thereof

Info

Publication number
JP3128968B2
JP3128968B2 JP04200227A JP20022792A JP3128968B2 JP 3128968 B2 JP3128968 B2 JP 3128968B2 JP 04200227 A JP04200227 A JP 04200227A JP 20022792 A JP20022792 A JP 20022792A JP 3128968 B2 JP3128968 B2 JP 3128968B2
Authority
JP
Japan
Prior art keywords
insulating substrate
case
insulating
fixing pin
variable resistor
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 - Fee Related
Application number
JP04200227A
Other languages
Japanese (ja)
Other versions
JPH0620809A (en
Inventor
従通 長岡
慶行 北風
功 砂長谷
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Murata Manufacturing Co Ltd
Original Assignee
Murata Manufacturing Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Murata Manufacturing Co Ltd filed Critical Murata Manufacturing Co Ltd
Priority to JP04200227A priority Critical patent/JP3128968B2/en
Priority to GB9313741A priority patent/GB2268836B/en
Publication of JPH0620809A publication Critical patent/JPH0620809A/en
Application granted granted Critical
Publication of JP3128968B2 publication Critical patent/JP3128968B2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01CRESISTORS
    • H01C1/00Details
    • H01C1/01Mounting; Supporting
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01CRESISTORS
    • H01C1/00Details
    • H01C1/02Housing; Enclosing; Embedding; Filling the housing or enclosure

Description

【発明の詳細な説明】DETAILED DESCRIPTION OF THE INVENTION

【0001】[0001]

【産業上の利用分野】この発明は、高電圧用可変抵抗器
とその製造方法に係り、特に絶縁基板をケースの支持段
部に確実に貼着固定する方法に関するものである。
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a high-voltage variable resistor.
It relates to a method for producing and its, and in particular a method to reliably stick and fix the insulating substrate to the support step portion of the case.

【0002】[0002]

【従来の技術】高電圧用可変抵抗器は、基本的な構造と
して図4ないし図6に示すように、一面開放状の合成樹
脂製の絶縁ケース1と、表面に所要パターンの皮膜抵抗
体2とその両端等に電極3を設けた絶縁基板4と、ケー
ス1に取付けた、端面に摺動子9を有する回転軸5とを
用い、電極3にリード端子6を接続した絶縁基板4をケ
ース1内に嵌込み、絶縁基板4とケース1の内部に閉ル
ープ状に設けた支持段部7との重なり部分を接着剤で貼
り付けて熱硬化させ、この後ケース1の開放面側に樹脂
8をモールドして形成されている。10は放電防止用リ
ブである。
2. Description of the Related Art As a basic structure of a variable resistor for high voltage, as shown in FIGS. 4 to 6, an insulating case 1 made of synthetic resin having an open surface on one side and a film resistor 2 having a required pattern on its surface. And an insulating substrate 4 provided with electrodes 3 at both ends thereof and a rotating shaft 5 attached to the case 1 and having a slider 9 on an end face, and connecting the lead terminals 6 to the electrodes 3 using the insulating substrate 4. 1, the overlapping portion of the insulating substrate 4 and the supporting step 7 provided in a closed loop inside the case 1 is stuck with an adhesive and thermally cured, and then the resin 8 is attached to the open side of the case 1. Is molded. Reference numeral 10 denotes a rib for preventing discharge.

【0003】[0003]

【発明が解決しようとする課題】ところで、絶縁基板4
を支持段部7に接着剤によって貼着するとき、摺動子9
のバネ圧で絶縁基板4が浮き上がるため、接着剤が硬化
するまでの間、基板を上から押えつけなければならな
い。従来はこの押えつける手段として、押え付け治具を
用い、接着剤が硬化した後、この治具を取りはずすよう
にしていた。そのため、工程が煩雑化するという問題が
あった。
By the way, the insulating substrate 4
Is attached to the supporting step 7 with an adhesive.
Since the insulating substrate 4 is lifted by the spring pressure, the substrate must be pressed from above until the adhesive is cured. Conventionally, a pressing jig has been used as the pressing means, and after the adhesive has hardened, the jig is removed. Therefore, there is a problem that the process becomes complicated.

【0004】また、基板の裏側に高圧コンデンサ等が配
置されている場合は、その押え付け治具の取り付け作業
がやりづらいという問題もあった。
Further, when a high-voltage capacitor or the like is arranged on the back side of the substrate, there is a problem that it is difficult to mount the holding jig.

【0005】[0005]

【課題を解決するための手段】この発明は、上記のよう
な課題を解決するためになされたものであり、可変抵抗
部を有する皮膜抵抗体と電極とを設けた絶縁基板が、回
転軸を取付けた一面開放状の絶縁ケースに対して該絶縁
ケース内に閉ループ状に設けられた支持段部に接着剤で
貼着された高電圧用可変抵抗器であって、絶縁ケースの
内底面に形成された筒部の開口部が絶縁基板に設けられ
た孔部に臨んだ状態で、頭部を形成した固定ピンが、そ
の軸部を絶縁基板の孔部を介して前記筒部に固定されて
いると共に、固定ピンの頭部が絶縁基板を支持段部に押
圧していることにより絶縁基板と絶縁ケースが機械的に
固定されている構成を採用したものである。
SUMMARY OF THE INVENTION The present invention has been made to solve the above problems, and has a variable resistor.
The insulating substrate provided with the film resistor having the
Insulate the insulation case with open-sided mounting
Adhesive is applied to the support step provided in a closed loop in the case.
A high-voltage variable resistor attached to the
The opening of the cylindrical part formed on the inner bottom surface is provided on the insulating substrate
With the fixing pin forming the head facing the hole
Is fixed to the cylindrical portion through the hole of the insulating substrate.
And the head of the fixing pin pushes the insulating substrate to the support step.
The insulation substrate and insulation case are mechanically
This adopts a fixed configuration .

【0006】また、回転軸を取付けた一面開放状の絶縁
ケース内に支持段部を閉ループ状に設け、可変抵抗部を
有する皮膜抵抗体と電極とを設けた絶縁基板を、その支
持段部に接着剤で貼着してなる高電圧用可変抵抗器の製
造方法であって、絶縁ケース の内底面に筒部を形成し、
その開口部を絶縁基板に設けた孔部に臨ませ、頭部を形
成した固定ピンを用意し、固定ピンの軸部を絶縁基板の
孔部を介して絶縁ケースの筒部に固定すると共に、固定
ピンの頭部で絶縁基板を支持段部に押圧することによつ
て、絶縁基板と絶縁ケースを機械的に固定し、この状態
で絶縁基板を支持段部に貼着する接着剤を硬化するよう
にした製造方法を採用したものである。
A one-sided open insulation with a rotating shaft attached thereto.
The support step is provided in the case in a closed loop, and the variable resistance
An insulating substrate provided with a film resistor and an electrode
Manufacture of a high-voltage variable resistor that is attached to the step with adhesive
Forming a cylindrical portion on the inner bottom surface of the insulating case ,
With the opening facing the hole provided in the insulating substrate, shape the head
Prepare the fixed pin, and fix the shaft of the fixed pin on the insulating substrate.
Attach to the cylinder of the insulation case through the hole and fix
Pressing the insulating substrate against the supporting step with the pin head
And mechanically fix the insulating board and the insulating case.
To cure the adhesive that attaches the insulating substrate to the support step
The manufacturing method described above is adopted.

【0007】[0007]

【作用】ケースの内底面に筒部を形成しておき、絶縁基
板にはケースの支持段部に合わせたときにケースの筒部
に対応する位置に孔をあけておき、軸部の一端に頭部を
形成した固定ピンの軸部を絶縁基板の孔を介して筒部に
固定するとともに、その頭部で絶縁基板を押え付けるよ
うにする。こうすれば絶縁基板はケースの支持段部に押
え付けられて、摺動子のバネ圧による浮き上がりが防止
され、接着剤が硬化するまでの押え付け治具は不要であ
る。その後、接着剤が硬化した後も固定ピンはそのまま
にしておき、ケースの開口部に樹脂を充填して硬化させ
れば高電圧用可変抵抗器は完成する。
A cylindrical portion is formed on the inner bottom surface of the case, and a hole is formed in the insulating substrate at a position corresponding to the cylindrical portion of the case when the insulating substrate is aligned with the supporting step of the case. The shaft portion of the fixing pin having the head is fixed to the cylindrical portion through the hole of the insulating substrate, and the insulating substrate is pressed by the head. In this case, the insulating substrate is pressed against the supporting step of the case, the floating of the slider due to the spring pressure is prevented, and a pressing jig until the adhesive is hardened is unnecessary. After that, the fixing pin is left as it is even after the adhesive is hardened, and the opening of the case is filled with resin and hardened to complete the high-voltage variable resistor.

【0008】[0008]

【実施例】以下、この発明を添付図面の図1乃至図3に
示す実施例に基づいて説明する。
DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described below with reference to the embodiments shown in FIGS.

【0009】図1乃至図3において、一面開放状の合成
樹脂製の絶縁ケース1の内底面に筒部20を形成し、そ
の開口部21を絶縁基板4に設けた孔部22に臨ませ、
頭部24を形成した固定ピン23の軸部25を絶縁基板
の孔部22を介して筒部20に圧入して固定し、固定ピ
ン23の頭部24で絶縁基板4をケースの支持段部7に
押圧し、この状態で絶縁基板4を支持段部7に貼着する
接着剤を硬化させる。接着剤は、絶縁基板4をケース1
内に嵌込む前に、あらかじめ支持段部7に付与されてい
る。
1 to 3, a cylindrical portion 20 is formed on the inner bottom surface of an insulating case 1 made of synthetic resin which is open on one side, and its opening 21 faces a hole 22 provided on the insulating substrate 4.
The shaft portion 25 of the fixing pin 23 having the head portion 24 is press-fitted into the cylindrical portion 20 through the hole portion 22 of the insulating substrate and fixed, and the insulating substrate 4 is fixed by the head portion 24 of the fixing pin 23 to the supporting step of the case. 7 and the adhesive for attaching the insulating substrate 4 to the supporting step 7 is cured in this state. The adhesive is applied to the insulating substrate 4 and the case 1
Before being fitted into the inside, it is provided to the supporting step 7 in advance.

【0010】支持段部7は、その一部をケース1の内側
方向に凹ませて、図5に示した所定の電極3が支持段部
7で形成する閉ループの外に出るような形成にしてもよ
い。接着剤が硬化した後も固定ピン23はそのままにし
ておき、絶縁ケース1の開口部に樹脂8を充填して硬化
させる。
The supporting step 7 is partially recessed inward of the case 1 so that the predetermined electrode 3 shown in FIG. 5 comes out of a closed loop formed by the supporting step 7. Is also good. After the adhesive is cured, the fixing pin 23 is left as it is, and the opening of the insulating case 1 is filled with the resin 8 and cured.

【0011】尚、絶縁基板4は図4の従来例と同様に表
面に所要パターンの被膜抵抗体2と、その両端等に電極
3を設けたものであり、絶縁ケース1には、端面に摺動
子9を有する回転軸5とを取付け、電極3にリード端子
6を接続した絶縁基板4をケース1内に嵌込む。リード
端子6は、リード線であってもよく、必ずしもケース1
の開口面側から引き出す必要はない。ケース1の側部や
底部から引き出してもよい。また、リード端子6は、電
極3に導電性ゴムが接触配置されている場合には、絶縁
基板4を支持段部7に貼着した後で、その導電性ゴムに
差し込んで取付けるようにしてもよい。
The insulating substrate 4 is provided with a coating resistor 2 having a required pattern on the surface and electrodes 3 at both ends thereof, as in the conventional example of FIG. The rotating shaft 5 having the moving element 9 is attached, and the insulating substrate 4 with the lead terminals 6 connected to the electrodes 3 is fitted into the case 1. The lead terminal 6 may be a lead wire, and is not necessarily the case 1
It is not necessary to pull out from the side of the opening. The case 1 may be pulled out from the side or the bottom. Further, when the conductive rubber is in contact with the electrode 3, the lead terminal 6 may be attached by inserting the insulating substrate 4 to the supporting step 7 and then inserting the conductive rubber into the conductive rubber. Good.

【0012】図2,図3に示す筒体20は割溝26を設
けたものであり、この割溝26により、固定ピン23を
筒部に圧入して固定するとより確実な固定ができる。
又、固定ピン23の筒部20への固定は圧入に限らず、
ねじ固定でもよい。要は固定ピン23と筒部20とは機
械的に固定されるものであれば如何なる固定構造でもよ
く、固定ピン23の材質もノリル樹脂等のやわらかい樹
脂が好ましい。
The cylindrical body 20 shown in FIG. 2 and FIG. 3 is provided with a split groove 26. When the fixing pin 23 is pressed into the cylindrical portion and fixed by the split groove 26, more secure fixing can be achieved.
The fixing of the fixing pin 23 to the cylindrical portion 20 is not limited to press-fitting,
Screw fixing may be used. In short, any fixing structure may be used as long as the fixing pin 23 and the cylindrical portion 20 are mechanically fixed. The material of the fixing pin 23 is preferably a soft resin such as a noril resin.

【0013】筒部20の高さは絶縁ケース1の内底面か
ら支持段部7までの高さと同じかそれよりも低く、放電
防止用リブ10は支持段部7と同じ高さである。尚、こ
の放電防止用リブ10は、絶縁ケースに不可欠のもので
はない。絶縁ケース1開口部の樹脂8も不可欠のもので
はない。
The height of the cylindrical portion 20 is equal to or lower than the height from the inner bottom surface of the insulating case 1 to the supporting step 7, and the discharge preventing rib 10 is the same height as the supporting step 7. Note that the discharge prevention rib 10 is not indispensable to the insulating case. The resin 8 at the opening of the insulating case 1 is not indispensable.

【0014】[0014]

【発明の効果】以上のように、この発明の高電圧可変抵
抗器又はその製造方法によれば、絶縁基板を絶縁ケース
の支持段部に接着剤で貼着する場合、接着剤が硬化する
までの間従来例の如く、絶縁基板の上から押えつける治
具を用い接着剤の硬化後取り外す等の煩雑な工程を省略
し、絶縁ケースの内底部に設けた筒部の開口部に、絶縁
基板の孔部を介して、頭部を形成した固定ピンを固定
し、固定ピンの頭部で絶縁基板をケースの支持段部に押
圧し、この状態で絶縁基板を支持段部に貼着する接着剤
を硬化させるようにしたので、その硬化工程が簡単でし
かも確実な貼着固定ができるのである。
As described above, the high-voltage variable resistor according to the present invention is used.
According to the anti-armor or the method of manufacturing the same, when the insulating substrate is adhered to the supporting step portion of the insulating case with the adhesive, the jig presses down on the insulating substrate as in the conventional example until the adhesive is cured. Omit the complicated steps such as removing the adhesive after curing, and fix the fixing pin with the head formed through the hole of the insulating substrate to the opening of the cylinder provided at the inner bottom of the insulating case Then, the insulating substrate is pressed against the supporting step of the case with the head of the fixing pin, and the adhesive for attaching the insulating substrate to the supporting step is cured in this state, so that the curing process is simple and It is possible to stick and fix securely.

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

【図1】この発明による可変抵抗器の断面図。FIG. 1 is a sectional view of a variable resistor according to the present invention.

【図2】絶縁ケースの平面図。FIG. 2 is a plan view of an insulating case.

【図3】絶縁ケースの内底面に設けた筒部の斜視図。FIG. 3 is a perspective view of a cylindrical portion provided on an inner bottom surface of the insulating case.

【図4】従来の可変抵抗器の断面図。FIG. 4 is a cross-sectional view of a conventional variable resistor.

【図5】同じく絶縁基板の裏面図。FIG. 5 is a back view of the same insulating substrate.

【図6】同じく絶縁ケースの平面図。FIG. 6 is a plan view of the insulating case.

【符号の説明】[Explanation of symbols]

1 絶縁ケース 7 支持段部 20 筒部 21 筒部の開口部 22 絶縁基板の孔部 23 固定ピン 24 固定ピンの頭部 25 固定ピンの軸部 DESCRIPTION OF SYMBOLS 1 Insulation case 7 Support step part 20 Tube part 21 Tube part opening 22 Insulation board hole 23 Fixing pin 24 Head of fixing pin 25 Shaft of fixing pin

フロントページの続き (56)参考文献 実開 平2−58303(JP,U) 実開 昭58−29807(JP,U) (58)調査した分野(Int.Cl.7,DB名) H01C 1/02 - 1/036 H01C 7/00 - 7/22 H01C 17/00 - 17/30 Continuation of the front page (56) References JP-A 2-58303 (JP, U) JP-A 58-29807 (JP, U) (58) Fields investigated (Int. Cl. 7 , DB name) H01C 1 / 02-1/036 H01C 7/00-7/22 H01C 17/00-17/30

Claims (2)

(57)【特許請求の範囲】(57) [Claims] 【請求項1】 可変抵抗部を有する皮膜抵抗体と電極と
を設けた絶縁基板が、回転軸を取付けた一面開放状の絶
縁ケースに対して該絶縁ケース内に閉ループ状に設けら
れた支持段部に接着剤で貼着された高電圧用可変抵抗器
であって、絶縁ケースの内底面に形成された筒部の開口
部が絶縁基板に設けられた孔部に臨んだ状態で、頭部を
形成した固定ピンが、その軸部を絶縁基板の孔部を介し
て前記筒部に固定されていると共に、固定ピンの頭部が
絶縁基板を支持段部に押圧していることにより絶縁基板
と絶縁ケースが機械的に固定されていることを特徴とす
る高電圧用可変抵抗器。
1. A film resistor having a variable resistance portion and an electrode.
The insulating substrate provided with the
A closed loop is provided in the insulating case with respect to the edge case.
High-voltage variable resistor stuck with adhesive to the support step
An opening of a cylindrical portion formed on the inner bottom surface of the insulating case.
Head with the part facing the hole provided in the insulating substrate
The formed fixing pin connects its shaft through the hole of the insulating substrate.
And the head of the fixing pin is
By pressing the insulating substrate against the supporting step, the insulating substrate
And the insulating case are mechanically fixed.
Variable resistor for high voltage.
【請求項2】 回転軸を取付けた一面開放状の絶縁ケー
ス内に支持段部を閉ループ状に設け、可変抵抗部を有す
る皮膜抵抗体と電極とを設けた絶縁基板を、その支持段
部に接着剤で貼着してなる高電圧用可変抵抗器の製造方
法であって、絶縁ケースの内底面に筒部を形成し、その
開口部を絶縁基板に設けた孔部に臨ませ、頭部を形成し
た固定ピンを用意し、固定ピンの軸部を絶縁基板の孔部
を介して絶縁ケースの筒部に固定すると共に、固定ピン
の頭部で絶縁基板を支持段部に押圧することによつて、
絶縁基板と絶縁ケースを機械的に固定し、この状態で絶
縁基板を支持段部に貼着する接着剤を硬化するようにし
たことを特徴とする高電圧用可変抵抗器の製造方法。
2. An insulating substrate provided with a support step in a closed loop shape in a one-sided open insulating case to which a rotating shaft is attached, and an insulating substrate provided with a film resistor having a variable resistance section and an electrode, is provided on the support step. A method for manufacturing a high-voltage variable resistor adhered with an adhesive, wherein a cylindrical portion is formed on an inner bottom surface of an insulating case, and an opening thereof faces a hole provided in an insulating substrate. Prepare the fixing pin with the formed , fix the shaft part of the fixing pin to the cylindrical portion of the insulating case through the hole of the insulating substrate, and press the insulating substrate against the supporting step with the head of the fixing pin. Thank you
A method for manufacturing a high-voltage variable resistor, comprising: mechanically fixing an insulating substrate and an insulating case; and curing an adhesive for attaching the insulating substrate to the supporting step in this state.
JP04200227A 1992-07-02 1992-07-02 High voltage variable resistor and manufacturing method thereof Expired - Fee Related JP3128968B2 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP04200227A JP3128968B2 (en) 1992-07-02 1992-07-02 High voltage variable resistor and manufacturing method thereof
GB9313741A GB2268836B (en) 1992-07-02 1993-07-02 High voltage variable resistor and method of manufacturing the same

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP04200227A JP3128968B2 (en) 1992-07-02 1992-07-02 High voltage variable resistor and manufacturing method thereof

Publications (2)

Publication Number Publication Date
JPH0620809A JPH0620809A (en) 1994-01-28
JP3128968B2 true JP3128968B2 (en) 2001-01-29

Family

ID=16420929

Family Applications (1)

Application Number Title Priority Date Filing Date
JP04200227A Expired - Fee Related JP3128968B2 (en) 1992-07-02 1992-07-02 High voltage variable resistor and manufacturing method thereof

Country Status (2)

Country Link
JP (1) JP3128968B2 (en)
GB (1) GB2268836B (en)

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Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR860001238Y1 (en) * 1981-07-15 1986-06-17 산요덴기 가부시기가이샤 Variable resistors for high voltage
JP2603105B2 (en) * 1988-06-06 1997-04-23 株式会社村田製作所 Variable resistor and its manufacturing method

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6465550B1 (en) 2000-08-08 2002-10-15 Dow Corning Corporation Silicone composition and electrically conductive, cured silicone product
US8733973B2 (en) 2010-04-28 2014-05-27 Marcus Menden Lighting device with light emitting diodes

Also Published As

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GB2268836A (en) 1994-01-19
GB2268836B (en) 1996-04-24
JPH0620809A (en) 1994-01-28
GB9313741D0 (en) 1993-08-18

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