JPH08236322A - Variable resistor for high voltage and manufacturing method thereof - Google Patents
Variable resistor for high voltage and manufacturing method thereofInfo
- Publication number
- JPH08236322A JPH08236322A JP7042072A JP4207295A JPH08236322A JP H08236322 A JPH08236322 A JP H08236322A JP 7042072 A JP7042072 A JP 7042072A JP 4207295 A JP4207295 A JP 4207295A JP H08236322 A JPH08236322 A JP H08236322A
- Authority
- JP
- Japan
- Prior art keywords
- slider
- protrusion
- variable resistor
- hole
- rotary shaft
- 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
Landscapes
- Transmission And Conversion Of Sensor Element Output (AREA)
- Adjustable Resistors (AREA)
- Apparatuses And Processes For Manufacturing Resistors (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】 本発明は、例えばカラ−テレ
ビ、ＣＲＴディスプレイ等のブラウン管に必要なフォ−
カス電圧及びスクリ−ン電圧を供給するために用いられ
る高圧用可変抵抗器及びその製造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 display device required for a cathode ray tube such as a color television or a CRT display.
The present invention relates to a high voltage variable resistor used for supplying a residue voltage and a screen voltage and a method for manufacturing the same.
【０００２】[0002]
【従来の技術】 従来この種の高圧用可変抵抗器は、例
えば図９、図１０及び図１１に示すように構成されてい
る。図９に示すように、この高圧用可変抵抗器は、回転
軸１ａ、１ｂを備えた絶縁ケ−ス２内に、摺動子３ａ、
３ｂと矩形状の絶縁基板４とリ−ド端子５ａ、５ｂとが
設けられている。絶縁基板４の一方表面（図９では上
面）には絶縁樹脂６が形成されている。図１０及び図１
１に示すように、回転軸１ａに備えられた突起部７に摺
動子３ａに備えられた孔９を嵌合させている。図示して
いないが、摺動子３ｂも摺動子３ａと同様に回転軸１ｂ
に取付けられている。2. Description of the Related Art Conventionally, this type of high voltage variable resistor is constructed as shown in FIGS. 9, 10, and 11, for example. As shown in FIG. 9, this high-voltage variable resistor includes a slider 3a, an insulator case 2 having rotating shafts 1a, 1b, and a slider 3a.
3b, a rectangular insulating substrate 4, and lead terminals 5a and 5b are provided. An insulating resin 6 is formed on one surface (the upper surface in FIG. 9) of the insulating substrate 4. 10 and 1
As shown in FIG. 1, the hole 7 provided in the slider 3a is fitted into the protrusion 7 provided in the rotary shaft 1a. Although not shown, the slider 3b also has the same rotation shaft 1b as the slider 3a.
Mounted on
【０００３】絶縁基板４の他方表面（図９では下面）に
は電極（図示していない）と皮膜抵抗体（図示していな
い）とが形成されており、摺動子３ａ、３ｂの一端は前
記電極に、摺動子３ａ、３ｂの他端は前記皮膜抵抗体に
それぞれ接続されている。また、摺動子３ａ、３ｂは直
接あるいは間接的にリ−ド端子５ａ、５ｂに接続されて
いる。An electrode (not shown) and a film resistor (not shown) are formed on the other surface (lower surface in FIG. 9) of the insulating substrate 4, and one ends of the sliders 3a, 3b are The other ends of the sliders 3a and 3b are connected to the electrodes, respectively, to the film resistor. The sliders 3a and 3b are directly or indirectly connected to the lead terminals 5a and 5b.
【０００４】[0004]
【発明が解決しようとする課題】 しかしながら、上記
従来の高圧用可変抵抗器においては、突起部７の外周と
摺動子３ａに備えられた孔９の内周との間に隙間８が生
じているため、摺動子３ａが回転軸１ａからはずれると
いう問題があった。これまでにそのような摺動子はずれ
を防止するため、突起部７をかしめて隙間８をなくすこ
とが試みられているが、突起部７が変形して絶縁基板４
にあたり、回転軸の回転異常が生じることがあった。However, in the above-mentioned conventional high-voltage variable resistor, a gap 8 is formed between the outer periphery of the protrusion 7 and the inner periphery of the hole 9 provided in the slider 3a. Therefore, there is a problem that the slider 3a comes off the rotary shaft 1a. Until now, in order to prevent such a slider from slipping off, it has been attempted to crimp the projection 7 to eliminate the gap 8, but the projection 7 is deformed and the insulating substrate 4 is removed.
In this case, the rotation of the rotary shaft may be abnormal.
【０００５】そこで、本発明の目的は、以上のような従
来の高圧用可変抵抗器がもつ問題点を解消し、摺動子は
ずれのない高圧用可変抵抗器及びその製造方法を提供す
ることにある。SUMMARY OF THE INVENTION Therefore, an object of the present invention is to solve the above problems of the conventional high voltage variable resistor, and to provide a high voltage variable resistor in which the slider does not come off and a manufacturing method thereof. is there.
【０００６】[0006]
【課題を解決するための手段】 上記目的を達成するた
めに本発明は、回転軸を備えた絶縁ケ−ス内に、前記回
転軸と連動する摺動子が設けられている高圧用可変抵抗
器において、前記回転軸には突起部が設けられ、前記摺
動子には少なくとも１個の係止爪を備えた孔が設けら
れ、前記摺動子が前記孔部分において前記突起部に嵌合
され、前記係止爪の先端と前記孔の内周面の一部とが前
記突起部の側面の一部に接していることを特徴とする。In order to achieve the above object, the present invention provides a high-voltage variable resistor in which an insulating case having a rotating shaft is provided with a slider interlocking with the rotating shaft. In the device, a protrusion is provided on the rotary shaft, a hole having at least one locking claw is provided on the slider, and the slider is fitted to the protrusion at the hole portion. The tip of the locking claw and part of the inner peripheral surface of the hole are in contact with part of the side surface of the protrusion.
【０００７】また、上記目的を達成するために本発明
は、回転軸を備えた絶縁ケ−ス内に、前記回転軸と連動
する摺動子が設けられている高圧用可変抵抗器におい
て、前記回転軸には突起部が設けられ、前記摺動子には
対向する２個の係止爪を備えた孔が設けられ、前記摺動
子が前記孔部分において前記突起部に嵌合され、前記係
止爪の各々の先端が前記突起部の側面の一部に接してい
ることを特徴とする。In order to achieve the above object, the present invention provides a high voltage variable resistor in which an insulating case having a rotary shaft is provided with a slider interlocking with the rotary shaft. The rotary shaft is provided with a protrusion, the slider is provided with a hole having two facing claws, and the slider is fitted to the protrusion at the hole portion. It is characterized in that each tip of the locking claws is in contact with a part of a side surface of the protrusion.
【０００８】また、上記目的を達成するために本発明
は、回転軸を備えた絶縁ケ−ス内に、前記回転軸と連動
する摺動子が設けられている高圧用可変抵抗器におい
て、前記回転軸には突起部が設けられ、前記摺動子には
３個以上の係止爪を備えた孔が設けられ、前記摺動子が
前記孔部分において前記突起部に嵌合され、前記係止爪
の各々の先端が前記突起部の側面の一部に接しているこ
とを特徴とする。In order to achieve the above object, the present invention provides a high voltage variable resistor in which an insulating case having a rotating shaft is provided with a slider interlocking with the rotating shaft. The rotary shaft is provided with a protrusion, the slider is provided with a hole provided with three or more locking claws, and the slider is fitted into the protrusion at the hole portion. It is characterized in that the tip of each of the pawls is in contact with a part of the side surface of the protrusion.
【０００９】そして、上記目的を達成するために本発明
は、予め前記係止爪を前記摺動子の脱落方向側に曲げて
おき、前記係止爪の先端とそれに対向する前記孔の内周
面との距離を、対応する前記突起部の厚みよりも小さく
形成してから、前記摺動子を前記突起部に嵌合させたこ
とを特徴とする。In order to achieve the above object, according to the present invention, the locking claw is bent in advance in a direction in which the slider comes off, and the distal end of the locking claw and the inner circumference of the hole facing the tip of the locking claw. It is characterized in that the distance from the surface is formed to be smaller than the thickness of the corresponding protrusion, and then the slider is fitted into the protrusion.
【００１０】そして、上記目的を達成するために本発明
は、予め対向する２個の前記係止爪を前記摺動子の脱落
方向側に曲げておき、一方の前記係止爪の先端と他方の
前記係止爪の先端との距離を、対応する前記突起部の厚
みよりも小さく形成してから、前記摺動子を前記突起部
に嵌合させたことを特徴とする。In order to achieve the above-mentioned object, according to the present invention, the two engaging claws facing each other are bent in advance in a direction in which the sliding element comes off, and one of the engaging claws and the other end of the engaging claw are bent. The distance from the tip of the locking claw is smaller than the thickness of the corresponding protrusion, and then the slider is fitted into the protrusion.
【００１１】さらに、上記目的を達成するために本発明
は、予め全ての前記係止爪を前記摺動子の脱落方向側に
曲げておき、全ての前記係止爪の先端で囲まれる部分の
面積を、前記突起部の底面積よりも小さく形成してか
ら、前記摺動子を前記突起部に嵌合させたことを特徴と
する。Further, in order to achieve the above object, according to the present invention, all the locking claws are bent in advance in the direction of falling of the slider, and a portion surrounded by the tips of all the locking claws is formed. It is characterized in that an area is formed smaller than a bottom area of the protrusion, and then the slider is fitted into the protrusion.
【００１２】[0012]
【作用】 上記の構成によれば、摺動子の孔に備えられ
た少なくとも１個の係止爪の先端と摺動子の孔の内周面
の一部とが回転軸に備えられた突起部の側面の一部に接
しているため、摺動子の脱落方向に力が加わっても摩擦
力が働いて摺動子が回転軸からはずれることがない。According to the above configuration, the tip of at least one locking claw provided in the hole of the slider and a part of the inner peripheral surface of the hole of the slider are provided on the rotary shaft. Since it is in contact with a part of the side surface of the section, even if a force is applied in the sliding direction of the slider, the frictional force acts and the slider does not disengage from the rotary shaft.
【００１３】また、上記の構成によれば、摺動子の孔に
備えられた対向する２個の係止爪の各々の先端が回転軸
に備えられた突起部の側面の一部に接しているため、摺
動子の脱落方向に力が加わっても摩擦力が働いて摺動子
が回転軸からはずれることがない。Further, according to the above construction, the tips of the two facing claws provided in the holes of the slider are in contact with part of the side surfaces of the projection provided on the rotary shaft. Therefore, even if a force is applied to the slider in the falling direction, the frictional force does not cause the slider to come off the rotating shaft.
【００１４】また、上記の構成によれば、摺動子の孔に
備えられた３個以上の係止爪の各々の先端が回転軸に備
えられた突起部の側面の一部に接しているため、摺動子
の脱落方向に力が加わっても摩擦力が働いて摺動子が回
転軸からはずれることがない。Further, according to the above construction, the tips of the three or more locking claws provided in the holes of the slider are in contact with a part of the side surface of the projection provided on the rotary shaft. Therefore, even if a force is applied to the slider in the falling direction, the frictional force does not cause the slider to come off the rotating shaft.
【００１５】そして、上記の構成によれば、予め係止爪
を摺動子の脱落方向側に曲げておき、係止爪の先端とそ
れに対向する孔の内周面との距離を、対応する突起部の
厚みよりも小さく形成してから、摺動子を突起部に嵌合
させているため、摺動子の脱落方向に力が加わっても摩
擦力が働いて摺動子が回転軸からはずれることがない。Further, according to the above construction, the locking claw is bent in advance in the sliding direction of the slider, and the distance between the tip of the locking claw and the inner peripheral surface of the hole facing it is adjusted. Since the slider is fitted to the protrusion after forming it to be smaller than the thickness of the protrusion, even if a force is applied to the slider in the falling direction, a frictional force works and the slider moves from the rotating shaft. It does not come off.
【００１６】そして、上記の構成によれば、予め対向す
る２個の係止爪を摺動子の脱落方向側に曲げておき、一
方の係止爪の先端と他方の係止爪の先端との距離を、対
応する突起部の厚みよりも小さく形成してから、摺動子
を突起部に嵌合させているため、摺動子の脱落方向に力
が加わっても摩擦力が働いて摺動子が回転軸からはずれ
ることがない。Further, according to the above construction, the two engaging claws facing each other are bent in advance in the falling direction side of the slider, and the tip of one engaging claw and the tip of the other engaging claw are formed. Since the slider is fitted to the protrusion after forming the distance smaller than the thickness of the corresponding protrusion, even if a force is applied in the falling direction of the slider, the friction force works and slides. The pendulum does not fall off the axis of rotation.
【００１７】さらに、上記の構成によれば、予め全ての
係止爪を摺動子の脱落方向側に曲げておき、全ての係止
爪の先端で囲まれる部分の面積を、突起部の底面積より
も小さく形成してから、摺動子を突起部に嵌合させてい
るため、摺動子の脱落方向に力が加わっても摩擦力が働
いて摺動子が回転軸からはずれることがない。Further, according to the above construction, all the locking claws are bent in advance in the sliding direction of the slider, and the area of the portion surrounded by the tips of all the locking claws is the bottom of the protrusion. Since the slider is fitted to the protrusion after it is made smaller than the area, even if a force is applied in the sliding direction of the slider, the frictional force may act and the slider may come off the rotating shaft. Absent.
【００１８】[0018]
【実施例】 以下本発明をその実施例を示す図面に基づ
いて説明する。図において、従来例と同一または相当す
る部分、同一機能のものについては同一符号を付す。The present invention will be described below with reference to the drawings illustrating the embodiments. In the figure, the same or corresponding parts and those having the same functions as those in the conventional example are designated by the same reference numerals.
【００１９】図１は本発明の第一の実施例に係る高圧用
可変抵抗器の回転軸と摺動子の嵌合の様子を示す部分上
面図であり、図２は図１の部分正面図である。本発明の
第一の実施例に係る高圧用可変抵抗器は、少なくとも１
個の回転軸１ａを備えた絶縁ケ−ス内に、摺動子３ｃと
矩形状の絶縁基板と外部接続端子とが設けられている。FIG. 1 is a partial top view showing how a rotary shaft and a slider of a high voltage variable resistor according to a first embodiment of the present invention are fitted, and FIG. 2 is a partial front view of FIG. Is. The high-voltage variable resistor according to the first embodiment of the present invention is at least 1
A slider 3c, a rectangular insulating substrate, and an external connection terminal are provided in an insulating case having a single rotating shaft 1a.
【００２０】図１及び図２に示すように、回転軸１ａに
は摺動子３ｃの位置決めをするための突起部７が設けら
れている。摺動子３ｃには突起部７と嵌合させるための
孔９が設けられている。孔９の内周面の一部には矩形状
の１個の係止爪１０が形成されている。そして、回転軸
１ａに備えられた突起部７に摺動子３ｃに形成された孔
９を嵌合させて、回転軸１ａに摺動子３ｃを取付けてい
る。As shown in FIGS. 1 and 2, the rotary shaft 1a is provided with a protrusion 7 for positioning the slider 3c. The slider 3c is provided with a hole 9 for fitting with the protrusion 7. One rectangular locking claw 10 is formed on a part of the inner peripheral surface of the hole 9. Then, the projection 3 provided on the rotary shaft 1a is fitted into the hole 9 formed in the slider 3c, and the slider 3c is attached to the rotary shaft 1a.
【００２１】図３（ａ）は本発明の第一の実施例に係る
高圧用可変抵抗器の摺動子の孔部分の上面図であり、図
３（ｂ）は本発明の第一の実施例に係る高圧用可変抵抗
器の回転軸の突起部部分の上面図である。図３（ａ）及
び図３（ｂ）に示すように、回転軸１ａに摺動子３ｃを
取付ける際、予め係止爪１０を摺動子３ｃの脱落方向側
に曲げておき、係止爪１０の先端とそれに対向する孔９
の内周面との距離Ｙを、対応する突起部７の幅Ｘより小
さく形成してから、回転軸１ａの突起部７に摺動子３ｃ
の孔９を嵌合させている。そのため、係止爪１０の先端
とそれに対向する孔９の内周面の一部とは、いずれも突
起部７の側面の一部に接しており、隙間が生じない。し
たがって、摺動子３ｃの脱落方向に力が加わっても、摩
擦力が働いて摺動子３ｃが回転軸１ａの突起部７からは
ずれることがない。また、係止爪１０を形成する工程は
増えるが、従来技術で要していた突起部７をかしめる工
程が不要となるため、工数アップを防止できる。FIG. 3A is a top view of the hole portion of the slider of the high voltage variable resistor according to the first embodiment of the present invention, and FIG. 3B is the first embodiment of the present invention. It is a top view of the protrusion part of the rotating shaft of the high voltage variable resistor which concerns on an example. As shown in FIGS. 3 (a) and 3 (b), when the slider 3c is mounted on the rotary shaft 1a, the locking claw 10 is bent in advance in the direction in which the slider 3c comes off, and 10 tip and hole 9 facing it
After forming the distance Y from the inner peripheral surface of the rotor 3 to be smaller than the width X of the corresponding protrusion 7, the slider 3c is attached to the protrusion 7 of the rotating shaft 1a.
The hole 9 is fitted. Therefore, the tip of the locking claw 10 and a part of the inner peripheral surface of the hole 9 facing the claw 10 are both in contact with a part of the side surface of the protrusion 7, and no gap is formed. Therefore, even if a force is applied in the falling direction of the slider 3c, the frictional force does not cause the slider 3c to be disengaged from the protrusion 7 of the rotary shaft 1a. Further, although the step of forming the locking claws 10 is increased, the step of crimping the protrusion 7 which is required in the conventional technique is not necessary, so that the number of steps can be prevented from increasing.
【００２２】前記絶縁基板の一方表面には電極と皮膜抵
抗体とが形成されており、摺動子３ｃの一端は前記電極
に、摺動子３ｃの他端は前記皮膜抵抗体にそれぞれ接続
されている。また、摺動子３ｃは直接あるいは間接的に
前記外部接続端子に接続されている。An electrode and a film resistor are formed on one surface of the insulating substrate, one end of the slider 3c is connected to the electrode, and the other end of the slider 3c is connected to the film resistor. ing. The slider 3c is directly or indirectly connected to the external connection terminal.
【００２３】前記絶縁基板の他方表面に絶縁樹脂が形成
されていてもよいし、絶縁樹脂が形成されていなくても
よい。An insulating resin may be formed on the other surface of the insulating substrate or may not be formed.
【００２４】図１、図２及び図３に示す本発明の第一の
実施例においては、１個の係止爪１０を設けているが、
図４に示す本発明の第二の実施例のように、係止爪１０
を２個設けてもよい。また、図示していないが、係止爪
１０を３個以上設けてもよい。要は係止爪１０の先端と
摺動子３ｃの孔９の内周面の一部とが回転軸１ａの突起
部７の側面の一部に接していればよい。また、上述した
本発明の第一の実施例では、係止爪１０は矩形状である
が、突起部７の側面の一部に接しているかぎり係止爪１
０の形状についてもこだわらない。In the first embodiment of the present invention shown in FIGS. 1, 2 and 3, one locking claw 10 is provided.
As in the second embodiment of the present invention shown in FIG. 4, the locking claw 10
Two may be provided. Although not shown, three or more locking claws 10 may be provided. The point is that the tip of the locking claw 10 and a part of the inner peripheral surface of the hole 9 of the slider 3c may contact a part of the side surface of the protrusion 7 of the rotary shaft 1a. Further, in the above-described first embodiment of the present invention, the locking claw 10 has a rectangular shape, but as long as it is in contact with a part of the side surface of the protrusion 7, the locking claw 1 is provided.
Also do not care about the shape of 0.
【００２５】図５は本発明の第三の実施例に係る高圧用
可変抵抗器の回転軸と摺動子の嵌合の様子を示す部分上
面図であり、図６は図５の部分正面図である。FIG. 5 is a partial top view showing how the rotary shaft and the slider of the high voltage variable resistor according to the third embodiment of the present invention are fitted, and FIG. 6 is a partial front view of FIG. Is.
【００２６】図５及び図６に示すように、回転軸１ａに
は摺動子３ｄの位置決めをするための突起部７が設けら
れている。摺動子３ｄには突起部７と嵌合させるための
孔９が設けられている。孔９の内周面の一部には矩形状
の対向する２個の係止爪１０ａ、１０ｂが形成されてい
る。そして、回転軸１ａに備えられた突起部７に摺動子
３ｄに形成された孔９を嵌合させて、回転軸１ａに摺動
子３ｄを取付けている。As shown in FIGS. 5 and 6, the rotary shaft 1a is provided with a protrusion 7 for positioning the slider 3d. The slider 3d is provided with a hole 9 for fitting with the protrusion 7. Two engaging claws 10a and 10b having a rectangular shape are formed on a part of the inner peripheral surface of the hole 9. Then, the protrusion 3 provided on the rotary shaft 1a is fitted into the hole 9 formed in the slider 3d, and the slider 3d is attached to the rotary shaft 1a.
【００２７】本発明の第三の実施例における他の部分の
構成については、本発明の第一の実施例の構成と同様で
あるため、説明を省略する。The configuration of the other parts in the third embodiment of the present invention is the same as the configuration of the first embodiment of the present invention, and therefore its explanation is omitted.
【００２８】図７（ａ）は本発明の第三の実施例に係る
高圧用可変抵抗器の摺動子の孔部分の上面図であり、図
７（ｂ）は本発明の第三の実施例に係る高圧用可変抵抗
器の回転軸の突起部部分の上面図である。図７（ａ）及
び図７（ｂ）に示すように、回転軸１ａに摺動子３ｄを
取付ける際、予め係止爪１０ａと係止爪１０ｂとを摺動
子３ｄの脱落方向側に曲げておき、係止爪１０ａの先端
と係止爪１０ｂの先端との距離Ｚを、対応する突起部７
の幅Ｘより小さく形成してから、回転軸１ａの突起部７
に摺動子３ｄの孔９を嵌合させている。そのため、対向
する２個の係止爪１０ａ、１０ｂの先端はいずれも突起
部７の側面の一部に接しており、隙間が生じない。した
がって、摺動子３ｄの脱落方向に力が加わっても、摩擦
力が働いて摺動子３ｄが回転軸１ａの突起部７からはず
れることがない。また、係止爪１０ａ、１０ｂを形成す
る工程は増えるが、従来技術で要していた突起部７をか
しめる工程が不要となるため、工数アップを防止でき
る。FIG. 7A is a top view of the hole portion of the slider of the high voltage variable resistor according to the third embodiment of the present invention, and FIG. 7B is the third embodiment of the present invention. It is a top view of the protrusion part of the rotating shaft of the high voltage variable resistor which concerns on an example. As shown in FIGS. 7 (a) and 7 (b), when the slider 3d is mounted on the rotary shaft 1a, the locking claws 10a and 10b are bent in advance in the falling direction side of the slider 3d. The distance Z between the tip of the locking claw 10a and the tip of the locking claw 10b is set to the corresponding protrusion 7
Of the protrusion 7 of the rotary shaft 1a
The hole 9 of the slider 3d is fitted in. Therefore, the tips of the two engaging claws 10a and 10b facing each other are in contact with part of the side surface of the protrusion 7, and no gap is formed. Therefore, even if a force is applied in the falling direction of the slider 3d, the frictional force does not cause the slider 3d to be disengaged from the protrusion 7 of the rotary shaft 1a. Further, although the number of steps for forming the locking claws 10a, 10b is increased, the step of crimping the protrusion 7 which is required in the conventional technique is not required, so that the number of steps can be prevented from increasing.
【００２９】上述した本発明の第三の実施例において
は、矩形状の係止爪１０ａ及び１０ｂとなっているが、
突起部７の側面の一部に接しているかぎり係止爪の形状
についてはこれに限定されない。また、本発明の第三の
実施例では、対向する２個の係止爪１０ａ、１０ｂを備
えた摺動子３ｄとなっているが、係止爪の数は３個以上
でもよい。すなわち、図８に示す本発明の第四の実施例
では、摺動子の孔９の内周面には３個の係止爪１０ｃ、
１０ｄ及び１０ｅが設けられている。この場合、３個の
係止爪１０ｃ、１０ｄ、及び１０ｅはかならずしも互い
に対向している必要はない。そして、予め３個の係止爪
１０ｃ、１０ｄ及び１０ｅを摺動子の脱落方向側に曲げ
ておき、係止爪１０ｃ、１０ｄ及び１０ｅで囲まれる部
分の面積Ａを回転軸の突起部の底面積よりも小さく形成
してから、前記突起部に摺動子の孔９を嵌合させればよ
い。そうすれば、係止爪１０ｃ、１０ｄ及び１０ｅの先
端が前記突起部の側面の一部に接しており、摺動子の脱
落方向に力が加わっても、摩擦力が働いて摺動子が回転
軸からはずれることがない。In the above-mentioned third embodiment of the present invention, the rectangular locking claws 10a and 10b are used.
The shape of the locking claw is not limited to this as long as it is in contact with a part of the side surface of the protrusion 7. Further, in the third embodiment of the present invention, the slider 3d is provided with the two facing engaging claws 10a and 10b, but the number of engaging claws may be three or more. That is, in the fourth embodiment of the present invention shown in FIG. 8, three locking claws 10c are provided on the inner peripheral surface of the hole 9 of the slider.
10d and 10e are provided. In this case, the three locking claws 10c, 10d, and 10e do not necessarily have to face each other. Then, the three locking claws 10c, 10d, and 10e are bent in advance toward the sliding direction of the slider, and the area A of the portion surrounded by the locking claws 10c, 10d, and 10e is set to the bottom of the protrusion of the rotary shaft. The hole 9 of the slider may be fitted to the protrusion after forming it smaller than the area. Then, the tip ends of the locking claws 10c, 10d, and 10e are in contact with a part of the side surface of the protrusion, and even if a force is applied in the falling direction of the slider, the frictional force acts and the slider moves. It does not fall off the axis of rotation.
【００３０】本発明の第一から第四の実施例において
は、回転軸１ａに備えられた突起部７は底面が楕円形状
であるが、位置決め機能があるかぎり突起部７の形状に
ついてはこだわらない。突起部７は例えば、底面が円形
あるいは矩形であってもよい。また、本発明の第一から
第四の実施例においては、回転軸の突起部と摺動子の孔
はそれぞれ１個ずつ設けられていたが、回転軸の突起部
と摺動子の孔は複数個設けられていてもよい。また、摺
動子全体の形状についても摺動子として機能するかぎり
図１から図８で紹介しているタイプのみにこだわらな
い。In the first to fourth embodiments of the present invention, the projection 7 provided on the rotary shaft 1a has an elliptical bottom surface, but the shape of the projection 7 is not limited as long as it has a positioning function. . The bottom surface of the protrusion 7 may be circular or rectangular, for example. In addition, in the first to fourth embodiments of the present invention, the projection of the rotary shaft and the hole of the slider are provided one by one, but the projection of the rotary shaft and the hole of the slider are provided. Multiple pieces may be provided. Further, the shape of the entire slider is not limited to the type introduced in FIGS. 1 to 8 as long as it functions as a slider.
【００３１】[0031]
【発明の効果】 以上説明したように、請求項１記載の
高圧用可変抵抗器によれば、摺動子の孔に備えられた少
なくとも１個の係止爪の先端と摺動子の内周面の一部と
が回転軸に備えられた突起部の側面の一部に接している
ため、摺動子の脱落方向に力が加わっても摩擦力が働い
て摺動子が回転軸からはずれることがない。したがっ
て、摺動子が回転軸からはずれて不良が発生するのを防
止できる。また、従来技術で要していた突起部をかしめ
る工程が不要となるため、工数を削減するとともに、か
しめ部が変形して絶縁基板にあたることによって発生し
ていた回転軸の回転異常をなくすことができる。As described above, according to the high voltage variable resistor of the first aspect, the tip of at least one locking claw provided in the hole of the slider and the inner circumference of the slider. Since a part of the surface is in contact with a part of the side surface of the protrusion provided on the rotating shaft, even if a force is applied in the falling direction of the slider, frictional force works and the slider comes off the rotating shaft. Never. Therefore, it is possible to prevent the slider from being displaced from the rotary shaft and causing a defect. Further, since the step of crimping the protrusion, which is required in the conventional technique, is not required, the number of steps is reduced and the abnormal rotation of the rotary shaft caused by the deformation of the crimp portion hitting the insulating substrate is eliminated. You can
【００３２】請求項２記載の高圧用可変抵抗器によれ
ば、摺動子の孔に備えられた対向する２個の係止爪の各
々の先端が回転軸に備えられた突起部の側面の一部に接
しているため、摺動子の脱落方向に力が加わっても摩擦
力が働いて摺動子が回転軸からはずれることがない。し
たがって、摺動子が回転軸からはずれて不良が発生する
のを防止できる。また、従来技術で要していた突起部を
かしめる工程が不要となるため、工数を削減するととも
に、かしめ部が変形して絶縁基板にあたることによって
発生していた回転軸の回転異常をなくすことができる。According to another aspect of the high voltage variable resistor of the present invention, the tips of the two engaging claws provided in the hole of the slider are opposed to the side surface of the protrusion provided on the rotary shaft. Since it is in contact with a part, even if a force is applied in the falling direction of the slider, the frictional force acts and the slider does not disengage from the rotating shaft. Therefore, it is possible to prevent the slider from being displaced from the rotary shaft and causing a defect. Further, since the step of crimping the protrusion, which is required in the conventional technique, is not required, the number of steps is reduced and the abnormal rotation of the rotary shaft caused by the deformation of the crimp portion hitting the insulating substrate is eliminated. You can
【００３３】請求項３記載の高圧用可変抵抗器によれ
ば、摺動子の孔に備えられた３個以上の係止爪の各々の
先端が回転軸に備えられた突起部の側面の一部に接して
いるため、摺動子の脱落方向に力が加わっても摩擦力が
働いて摺動子が回転軸からはずれることがない。したが
って、摺動子が回転軸からはずれて不良が発生するのを
防止できる。また、従来技術で要していた突起部をかし
める工程が不要となるため、工数を削減するとともに、
かしめ部が変形して絶縁基板にあたることによって発生
していた回転軸の回転異常をなくすことができる。According to another aspect of the high voltage variable resistor of the present invention, the tip of each of the three or more locking claws provided in the hole of the slider has one of the side surfaces of the protrusion provided on the rotary shaft. Since it is in contact with the part, even if a force is applied in the falling direction of the slider, the frictional force acts and the slider does not come off from the rotating shaft. Therefore, it is possible to prevent the slider from being displaced from the rotary shaft and causing a defect. In addition, since the step of crimping the protrusion, which is required in the conventional technology, is not required, the number of steps can be reduced and
It is possible to eliminate the abnormal rotation of the rotary shaft that is caused by the deformation of the caulking portion and hitting the insulating substrate.
【００３４】請求項４記載の高圧用可変抵抗器によれ
ば、予め係止爪を摺動子の脱落方向側に曲げておき、係
止爪の先端とそれに対向する孔の内周面との距離を、対
応する突起部の厚みよりも小さく形成してから、摺動子
を突起部に嵌合させているため、摺動子の脱落方向に力
が加わっても摩擦力が働いて摺動子が回転軸からはずれ
ることがない。したがって、摺動子が回転軸からはずれ
て不良が発生するのを防止できる。また、従来技術で要
していた突起部をかしめる工程が不要となるため、工数
を削減するとともに、かしめ部が変形して絶縁基板にあ
たることによって発生していた回転軸の回転異常をなく
すことができる。According to the high-voltage variable resistor of the fourth aspect, the locking claw is bent in advance toward the sliding direction of the slider, and the tip of the locking claw and the inner peripheral surface of the hole facing it are formed. Since the distance is made smaller than the thickness of the corresponding protrusion, the slider is fitted into the protrusion, so even if a force is applied in the direction of sliding off the slider, frictional force works and sliding The child does not get off the axis of rotation. Therefore, it is possible to prevent the slider from being displaced from the rotary shaft and causing a defect. Further, since the step of crimping the protrusion, which is required in the conventional technique, is not required, the number of steps is reduced and the abnormal rotation of the rotary shaft caused by the deformation of the crimp portion hitting the insulating substrate is eliminated. You can
【００３５】請求項５記載の高圧用可変抵抗器によれ
ば、予め対向する２個の係止爪を摺動子の脱落方向側に
曲げておき、一方の係止爪の先端と他方の係止爪の先端
との距離を、対応する突起部の厚みよりも小さく形成し
てから、摺動子を突起部に嵌合させているため、摺動子
の脱落方向に力が加わっても摩擦力が働いて摺動子が回
転軸からはずれることがない。したがって、摺動子が回
転軸からはずれて不良が発生するのを防止できる。ま
た、従来技術で要していた突起部をかしめる工程が不要
となるため、工数を削減するとともに、かしめ部が変形
して絶縁基板にあたることによって発生していた回転軸
の回転異常をなくすことができる。According to the high-voltage variable resistor of the fifth aspect, the two engaging claws facing each other are bent in advance toward the sliding direction of the slider, and the tips of one engaging claw and the other engaging claw. Since the distance from the tip of the pawl is made smaller than the thickness of the corresponding protrusion, the slider is fitted into the protrusion, so even if a force is applied in the falling direction of the slider, friction will occur. The force does not cause the slider to come off the rotating shaft. Therefore, it is possible to prevent the slider from being displaced from the rotary shaft and causing a defect. Further, since the step of crimping the protrusion, which is required in the conventional technique, is not required, the number of steps is reduced and the abnormal rotation of the rotary shaft caused by the deformation of the crimp portion hitting the insulating substrate is eliminated. You can
【００３６】請求項６記載の高圧用可変抵抗器によれ
ば、予め全ての係止爪を摺動子の脱落方向側に曲げてお
き、全ての係止爪の先端で囲まれる部分の面積を、突起
部の底面積よりも小さく形成してから、摺動子を突起部
に嵌合させているため、摺動子の脱落方向に力が加わっ
ても摩擦力が働いて摺動子が回転軸からはずれることが
ない。したがって、摺動子が回転軸からはずれて不良が
発生するのを防止できる。また、従来技術で要していた
突起部をかしめる工程が不要となるため、工数を削減す
るとともに、かしめ部が変形して絶縁基板にあたること
によって発生していた回転軸の回転異常をなくすことが
できる。According to the high-voltage variable resistor of the sixth aspect, all the locking claws are bent in advance in the sliding direction of the slider, and the area of the portion surrounded by the tips of all the locking claws is changed. Since the slider is fitted into the protrusion after it is formed smaller than the bottom area of the protrusion, even if a force is applied to the slider in the falling direction, frictional force works and the slider rotates. It does not go off axis. Therefore, it is possible to prevent the slider from being displaced from the rotary shaft and causing a defect. Further, since the step of crimping the protrusion, which is required in the conventional technique, is not required, the number of steps is reduced and the abnormal rotation of the rotary shaft caused by the deformation of the crimp portion hitting the insulating substrate is eliminated. You can
【図１】 本発明の第一の実施例に係る高圧用可変抵抗
器の回転軸と摺動子の嵌合の様子を示す部分上面図であ
る。FIG. 1 is a partial top view showing how a rotary shaft and a slider of a high-voltage variable resistor according to a first embodiment of the present invention are fitted together.
【図２】 本発明の第一の実施例に係る高圧用可変抵抗
器の回転軸と摺動子の嵌合の様子を示す部分正面図であ
る。FIG. 2 is a partial front view showing how the rotary shaft and the slider of the high-voltage variable resistor according to the first embodiment of the present invention are fitted together.
【図３】 本発明の第一の実施例に係る高圧用可変抵抗
器の摺動子の孔部分の上面図（ａ）と回転軸の突起部部
分の上面図（ｂ）である。FIG. 3 is a top view (a) of a hole portion of a slider of a high voltage variable resistor according to a first embodiment of the present invention and a top view (b) of a protrusion portion of a rotary shaft.
【図４】 本発明の第二の実施例に係る高圧用可変抵抗
器の摺動子の孔部分の上面図である。FIG. 4 is a top view of a hole portion of a slider of a high voltage variable resistor according to a second embodiment of the present invention.
【図５】 本発明の第三の実施例に係る高圧用可変抵抗
器の回転軸と摺動子の嵌合の様子を示す部分上面図であ
る。FIG. 5 is a partial top view showing how the rotary shaft and the slider of the high-voltage variable resistor according to the third embodiment of the present invention are fitted together.
【図６】 本発明の第三の実施例に係る高圧用可変抵抗
器の回転軸と摺動子の嵌合の様子を示す部分正面図であ
る。FIG. 6 is a partial front view showing how the rotary shaft and the slider of the high-voltage variable resistor according to the third embodiment of the present invention are fitted together.
【図７】 本発明の第三の実施例に係る高圧用可変抵抗
器の摺動子の孔部分の上面図（ａ）と回転軸の突起部部
分の上面図（ｂ）である。FIG. 7 is a top view (a) of a hole portion of a slider of a high voltage variable resistor according to a third embodiment of the present invention and a top view (b) of a protruding portion portion of a rotary shaft.
【図８】 本発明の第四の実施例に係る高圧用可変抵抗
器の摺動子の孔部分の上面図である。FIG. 8 is a top view of a hole portion of a slider of a high voltage variable resistor according to a fourth embodiment of the present invention.
【図９】 従来の高圧用可変抵抗器の断面図である。FIG. 9 is a cross-sectional view of a conventional high voltage variable resistor.
【図１０】 従来の高圧用可変抵抗器の回転軸と摺動子
の嵌合の様子を示す部分上面図である。FIG. 10 is a partial top view showing how a rotary shaft and a slider of a conventional high voltage variable resistor are fitted together.
【図１１】 従来の高圧用可変抵抗器の回転軸と摺動子
の嵌合の様子を示す部分正面図である。FIG. 11 is a partial front view showing how a rotary shaft and a slider of a conventional high voltage variable resistor are fitted together.
１ａ、１ｂ 回転軸 ２ 絶縁ケ−ス ３ａ、３ｂ、３ｃ、３ｄ 摺動子 ４ 絶縁基板 ５ａ、５ｂ リ−ド端子 ６ 絶縁樹脂 ７ 突起部 ８ 隙間 ９ 孔 １０、１０ａ、１０ｂ１０ｃ、１０ｄ、１０ｅ
係止爪 Ａ 係止爪１０ｃ、１０
ｄ、１０ｅで囲まれる部分の面積 Ｘ 突起部７の幅 Ｙ 係止爪１０の先端とそ
れに対抗する孔９の内周面との距離 Ｚ 係止爪１０ａの先端と
係止爪１０ｂの先端との距離1a, 1b Rotating shaft 2 Insulation case 3a, 3b, 3c, 3d Slider 4 Insulating substrate 5a, 5b Lead terminal 6 Insulating resin 7 Protrusion 8 Gap 9 Hole 10, 10a, 10b10c, 10d, 10e
Locking claw A Locking claw 10c, 10
d Area of the portion surrounded by 10e X Width of the protrusion 7 Y Distance between the tip of the locking claw 10 and the inner peripheral surface of the hole 9 opposed to it Z Tip of the locking claw 10a and tip of the locking claw 10b The distance
Claims (6)
転軸と連動する摺動子が設けられている高圧用可変抵抗
器において、前記回転軸には突起部が設けられ、前記摺
動子には少なくとも１個の係止爪を備えた孔が設けら
れ、前記摺動子が前記孔部分において前記突起部に嵌合
され、前記係止爪の先端と前記孔の内周面の一部とが前
記突起部の側面の一部に接していることを特徴とする高
圧用可変抵抗器。1. A high-voltage variable resistor in which a slider interlocking with the rotating shaft is provided in an insulating case provided with the rotating shaft, wherein the rotating shaft is provided with a protrusion. A hole provided with at least one locking claw is provided in the slider, the slider is fitted to the projection at the hole portion, the tip of the locking claw and the inner peripheral surface of the hole. A part of the variable resistor for high voltage is in contact with a part of the side surface of the protrusion.
転軸と連動する摺動子が設けられている高圧用可変抵抗
器において、前記回転軸には突起部が設けられ、前記摺
動子には対向する２個の係止爪を備えた孔が設けられ、
前記摺動子が前記孔部分において前記突起部に嵌合さ
れ、前記係止爪の各々の先端が前記突起部の側面の一部
に接していることを特徴とする高圧用可変抵抗器。2. A high-voltage variable resistor in which a slider interlocking with the rotary shaft is provided in an insulating case having the rotary shaft, wherein the rotary shaft is provided with a protrusion. The slider has a hole with two facing claws,
A high-voltage variable resistor, wherein the slider is fitted into the protrusion in the hole portion, and the tip of each of the locking claws is in contact with a part of a side surface of the protrusion.
転軸と連動する摺動子が設けられている高圧用可変抵抗
器において、前記回転軸には突起部が設けられ、前記摺
動子には３個以上の係止爪を備えた孔が設けられ、前記
摺動子が前記孔部分において前記突起部に嵌合され、前
記係止爪の各々の先端が前記突起部の側面の一部に接し
ていることを特徴とする高圧用可変抵抗器。3. A high-voltage variable resistor in which a slider interlocking with the rotating shaft is provided in an insulating case provided with the rotating shaft, wherein the rotating shaft is provided with a protrusion, A hole provided with three or more locking claws is provided in the slider, the slider is fitted to the protrusion at the hole portion, and the tip of each of the locking claws corresponds to the protrusion. A variable resistor for high voltage, which is in contact with a part of the side surface.
方法において、予め前記係止爪を前記摺動子の脱落方向
側に曲げておき、前記係止爪の先端とそれに対向する前
記孔の内周面との距離を、対応する前記突起部の厚みよ
りも小さく形成してから、前記摺動子を前記突起部に嵌
合させたことを特徴とする高圧用可変抵抗器の製造方
法。4. The method for manufacturing a high-voltage variable resistor according to claim 1, wherein the locking claw is bent in advance toward a side in which the slider comes off, and the tip of the locking claw is opposed to the tip of the locking claw. Manufacture of a high-voltage variable resistor, characterized in that the distance from the inner peripheral surface of the hole is formed smaller than the thickness of the corresponding protrusion, and then the slider is fitted into the protrusion. Method.
方法において、予め対向する２個の前記係止爪を前記摺
動子の脱落方向側に曲げておき、一方の前記係止爪の先
端と他方の前記係止爪の先端との距離を、対応する前記
突起部の厚みよりも小さく形成してから、前記摺動子を
前記突起部に嵌合させたことを特徴とする高圧用可変抵
抗器の製造方法。5. The method of manufacturing a high voltage variable resistor according to claim 2, wherein the two engaging claws facing each other are bent in advance in a direction in which the slider comes off, and one of the engaging claws is formed. The distance between the tip of each of the locking claws and the tip of the other locking claw is formed to be smaller than the thickness of the corresponding protrusion, and then the slider is fitted to the protrusion. Of manufacturing variable resistor for automobile.
器の製造方法において、予め全ての前記係止爪を前記摺
動子の脱落方向側に曲げておき、全ての前記係止爪の先
端で囲まれる部分の面積を、前記突起部の底面積よりも
小さく形成してから、前記摺動子を前記突起部に嵌合さ
せたことを特徴とする高圧用可変抵抗器の製造方法。6. The method of manufacturing a high-voltage variable resistor according to claim 1, wherein all of the locking claws are bent in advance toward the sliding direction of the slider, and all of the locking claws are bent. A method for manufacturing a high-voltage variable resistor, characterized in that the area surrounded by the tip is formed smaller than the bottom area of the protrusion, and then the slider is fitted into the protrusion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7042072A JPH08236322A (en) | 1995-03-01 | 1995-03-01 | Variable resistor for high voltage and manufacturing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7042072A JPH08236322A (en) | 1995-03-01 | 1995-03-01 | Variable resistor for high voltage and manufacturing method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH08236322A true JPH08236322A (en) | 1996-09-13 |
Family
ID=12625874
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7042072A Pending JPH08236322A (en) | 1995-03-01 | 1995-03-01 | Variable resistor for high voltage and manufacturing method thereof |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH08236322A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008032539A (en) * | 2006-07-28 | 2008-02-14 | Aisan Ind Co Ltd | Sensor rotor for rotation angle sensor, throttle position sensor, device unit, and intake device of engine |
| JP2011187805A (en) * | 2010-03-10 | 2011-09-22 | Alps Electric Co Ltd | Fitting structure and fitting method for slider |
-
1995
- 1995-03-01 JP JP7042072A patent/JPH08236322A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008032539A (en) * | 2006-07-28 | 2008-02-14 | Aisan Ind Co Ltd | Sensor rotor for rotation angle sensor, throttle position sensor, device unit, and intake device of engine |
| JP2011187805A (en) * | 2010-03-10 | 2011-09-22 | Alps Electric Co Ltd | Fitting structure and fitting method for slider |
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