JP2007193958A - Rotary electrical component - Google Patents

Rotary electrical component Download PDF

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JP2007193958A
JP2007193958A JP2006008356A JP2006008356A JP2007193958A JP 2007193958 A JP2007193958 A JP 2007193958A JP 2006008356 A JP2006008356 A JP 2006008356A JP 2006008356 A JP2006008356 A JP 2006008356A JP 2007193958 A JP2007193958 A JP 2007193958A
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shaft
rotating shaft
pressing
rotating
rotary
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Isaji Sasaki
勲司 佐々木
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Alps Alpine Co Ltd
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Alps Electric Co Ltd
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Priority to JP2006008356A priority Critical patent/JP2007193958A/en
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Abstract

<P>PROBLEM TO BE SOLVED: To provide a rotary electrical component that can absorb a pressing load or impact load even if the load greater than an allowable load is applied in an axial direction of a rotating shaft, and can thereby prevent a tip of a pressing shaft part from being collapsed. <P>SOLUTION: The rotary electrical component includes: a housing composed of a case 1, a bearing member 6 and so on; a rotating shaft 7 made of a synthetic resin and having an operating part 7a that is located on one end side of the shaft 7 and protrudes from a bearing part 6b formed at the housing; a rotation detecting means composed of a conductive pattern 2a and a slider 4 that can detect the rotation of the rotating shaft 7; and a push switch P that can be operated by the pressing shaft part 7b provided on the other end side of the rotating shaft 7 through pressing the operating part 7a in the axial direction S of the rotating shaft 7. On the other end side of the rotating shaft 7, there is provided a buffer part 7c that is elastically deformable in the axial direction S. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

本発明は回転軸を有する回転型電気部品に係わり、回転軸の押圧操作で、プッシュスイッチのＯＮ／ＯＦＦ操作と、回転操作でパルススイッチ、或いは可変抵抗器等の回転検出手段の操作とが可能な回転型電気部品に関する。   The present invention relates to a rotating electrical component having a rotating shaft, and it is possible to operate a push switch ON / OFF by pressing the rotating shaft and a rotation detecting means such as a pulse switch or a variable resistor by rotating. The present invention relates to a rotating electrical component.

従来の回転型電気部品を特許文献１に基づいて説明すると、従来の回転型電気部品は、図８に示すように、合成樹脂からなるケース１を有し、このケース１には、金属板からなる複数個の導電板からなる導体パターン２が埋設されている。前記ケース１には、後述する回転軸１７と一体的に回転可能な合成樹脂から成る回転体３が支持されており、この回転体３には、金属板からなる摺動子４が取り付けられている。
そして、回転軸１７の回転操作で回転体３が回転することにより、摺動子４が導電パターン２に接離して、接点の切り換えを行うパルススイッチを構成している。 A conventional rotary electrical component will be described based on Patent Document 1. As shown in FIG. 8, the conventional rotary electrical component has a case 1 made of synthetic resin. The case 1 is made of a metal plate. A conductive pattern 2 made of a plurality of conductive plates is embedded. The case 1 supports a rotating body 3 made of a synthetic resin that can rotate integrally with a rotating shaft 17 to be described later. A slider 4 made of a metal plate is attached to the rotating body 3. Yes.
Then, when the rotating body 3 is rotated by the rotation operation of the rotating shaft 17, the slider 4 is brought into contact with and separated from the conductive pattern 2 to constitute a pulse switch for switching the contact.

また、ケース１の外周壁には、後述する軸受部材１６の平板部１６ａとの間に挟持されて、金属板からなる板材５が取り付けられている。
前記板材５には、弾性片５ａが形成され、この弾性片５ａが回転体３に形成した凹凸部（図示せず）に係脱することにより、回転体３の回転動作に対応してクリック動作を行わしめている。
また、ケース１とともにハウジングを構成する軸受部材１６は、金属からなり、平板部１６ａと軸受部１６ｂとが形成され、軸受部１６ｂに支持された回転軸１７が回転自在になっている。 A plate member 5 made of a metal plate is attached to the outer peripheral wall of the case 1 so as to be sandwiched between a flat plate portion 16a of a bearing member 16 described later.
An elastic piece 5 a is formed on the plate member 5, and the elastic piece 5 a engages and disengages with a concavo-convex portion (not shown) formed on the rotating body 3, thereby clicking operation corresponding to the rotating operation of the rotating body 3. Has been done.
Moreover, the bearing member 16 which comprises a housing with the case 1 consists of metal, the flat plate part 16a and the bearing part 16b are formed, and the rotating shaft 17 supported by the bearing part 16b is rotatable.

前記回転軸１７は、合成樹脂等の成型品からなり、先端に細軸状の押圧軸部１７ａと、この押圧軸部１７ａ近傍の割溝１７ｂを挟んで一対の取付脚１７ｃが形成されている。また、ケース１の後部（図示左側）には、固定接点８、９を埋設した絶縁体１０が取り付けられ、この絶縁体１０の内部には、ドーム状の板ばね１１が配設されている。
前記板ばね１１は、外周部が固定接点９に常時接触し、その中央部に回転軸１７の押圧軸部１７ａが当接し、回転軸１７が板ばね１１により常時矢印Ａ方向に弾性付勢されている。
そして、矢印Ａ方向に弾性付勢される回転軸１７は、一対の取付脚１７ｃが回転体３に係止されて抜け止めされている。 The rotating shaft 17 is made of a molded product such as synthetic resin, and a pair of mounting legs 17c are formed at the tip with a narrow shaft-shaped pressing shaft portion 17a and a split groove 17b in the vicinity of the pressing shaft portion 17a. . Further, an insulator 10 in which the fixed contacts 8 and 9 are embedded is attached to the rear portion (left side in the figure) of the case 1, and a dome-shaped leaf spring 11 is disposed inside the insulator 10.
The leaf spring 11 is always in contact with the fixed contact 9 at the outer periphery, the pressing shaft portion 17a of the rotating shaft 17 is in contact with the center portion thereof, and the rotating shaft 17 is always elastically biased in the direction of arrow A by the leaf spring 11. ing.
And the rotating shaft 17 elastically urged | biased by the arrow A direction has a pair of attachment leg 17c latched by the rotary body 3, and is preventing removal.

このような従来の回転型電気部品の操作を説明すると、板ばね１１の弾性付勢力で回転軸１７が矢印Ａ方向にスライドした状態の初期状態において、回転軸１７を回転操作すると、回転体３が回転軸１７と共に回転して、摺動子４が導電パターン２に接離して、接点の切り換えを行ってパルススイッチが操作される。
また、プッシュスイッチの操作は、図８に示す初期状態にある回転軸１７を矢印Ｂ方向にプッシュ操作すると、押圧軸部１７ａがドーム状の板ばね１１の中央部を押圧する。すると、反転した板ばね１１を介して固定接点８と９とが導通してプッシュスイッチのスイッチ回路がＯＮする。
その後、回転軸１７の押圧を解除すると、板ばね１１の自身の弾性付勢力によりドーム状に復帰して、板ばね１１が固定接点８から離れてプッシュスイッチのスイッチ回路がＯＦＦとなると共に、回転軸１７が矢印Ａ方向にスライドして初期状態に自動復帰する。
特開平１１−９６８５５号公報 The operation of such a conventional rotary electrical component will be described. When the rotary shaft 17 is rotated in the initial state in which the rotary shaft 17 slides in the direction of arrow A by the elastic biasing force of the leaf spring 11, the rotary body 3 is rotated. Is rotated together with the rotary shaft 17 so that the slider 4 is brought into and out of contact with the conductive pattern 2, and the contact point is switched to operate the pulse switch.
The push switch is operated by pushing the rotary shaft 17 in the initial state shown in FIG. 8 in the direction of arrow B, and the pressing shaft portion 17a presses the central portion of the dome-shaped leaf spring 11. Then, the fixed contacts 8 and 9 are conducted through the inverted leaf spring 11, and the switch circuit of the push switch is turned on.
Thereafter, when the pressing of the rotating shaft 17 is released, the leaf spring 11 returns to a dome shape by its own elastic biasing force, the leaf spring 11 is separated from the fixed contact 8 and the switch circuit of the push switch is turned OFF, and the rotation. The shaft 17 slides in the direction of arrow A and automatically returns to the initial state.
JP-A-11-96855

しかし、従来の回転型電気部品は、回転軸１７を矢印Ｂ方向に押圧してプッシュスイッチを操作するときに、操作者が誤って回転軸１７に許容荷重以上の押圧力が加わったり、或いは落下等により回転軸１７の軸線方向に衝撃等が加わったりすると、樹脂材料からなる回転軸１７は、図９に示すように、押圧軸部１７ａの先端がつぶれるおそれがあった。
このような押圧軸部１７ａの先端がつぶれると、回転軸１７を押圧操作しても、板ばね１１との間に隙間Ｃが発生して、板ばね１１を正常に反転させることができなくなり、プッシュスイッチが正常にＯＮしなくなるおそれがあった。
本発明は前述したような課題を解決し、回転軸の軸線方向に許容荷重以上の押圧荷重、或いは衝撃荷重等が加わったとしても、この押圧荷重、あるは衝撃荷重を吸収して、押圧軸部先端がつぶれないようにした回転型電気部品を提供することを目的とする。 However, in the conventional rotary electric component, when the push switch is operated by pressing the rotary shaft 17 in the direction of arrow B, the operator accidentally applies a pressing force exceeding the allowable load to the rotary shaft 17 or falls. When an impact or the like is applied in the axial direction of the rotating shaft 17 due to the above, the rotating shaft 17 made of a resin material may be broken at the tip of the pressing shaft portion 17a as shown in FIG.
When the tip of the pressing shaft portion 17a is crushed, even if the rotary shaft 17 is pressed, a gap C is generated between the leaf spring 11 and the leaf spring 11 cannot be normally reversed. There was a risk that the push switch would not turn on normally.
The present invention solves the above-described problems, and even if a pressing load greater than the allowable load or an impact load is applied in the axial direction of the rotary shaft, the pressing load or the impact load is absorbed and the pressing shaft An object of the present invention is to provide a rotating electrical component in which the tip of the part is not crushed.

前記課題を解決するための第１の手段として本発明の回転型電気部品は、ケースと、このケースに設けた軸受部から一端側の操作部が突出する合成樹脂製の回転軸と、この回転軸の回転を検出可能な摺動子及び導電パターンからなる回転検出手段と、前記操作部を前記回転軸の軸線方向に押圧することにより、前記回転軸の他端側に設けられた押圧軸部によって操作可能なプッシュスイッチとを備え、
前記回転軸の前記他端側には、前記軸線方向に弾性変形可能な緩衝部が設けられていることを特徴とする。
また、前記課題を解決するための第２の手段として、前記緩衝部は、弾性変形可能に屈曲させた屈曲部からなることを特徴とする。 As a first means for solving the above-mentioned problems, a rotating electrical component according to the present invention includes a case, a rotating shaft made of a synthetic resin from which an operation portion on one end side protrudes from a bearing portion provided in the case, and the rotation A rotation detecting means comprising a slider and a conductive pattern capable of detecting the rotation of the shaft, and a pressing shaft portion provided on the other end side of the rotating shaft by pressing the operation portion in the axial direction of the rotating shaft And a push switch that can be operated by
A buffer portion that is elastically deformable in the axial direction is provided on the other end side of the rotating shaft.
Further, as a second means for solving the above-mentioned problem, the buffer portion is formed of a bent portion that is bent so as to be elastically deformable.

また、前記課題を解決するための第３の手段として、前記押圧軸部は、径寸法が前記操作部より細軸に形成されて、前記回転軸と一体的に回転可能な回転体にガイドされていることを特徴とする。
また、前記課題を解決するための第４の手段として、前記回転体には、前記押圧軸部が挿通されてガイド可能なガイド孔が形成されており、前記ガイド孔に挿通される部分よりも前記操作部側に位置する前記回転軸に前記緩衝部を設けたことを特徴とする。
また、前記課題を解決するための第５の手段として、前記回転軸は、前記操作部の軸心と前記屈曲部の軸心とを異ならせたことを特徴とする。
また、前記課題を解決するための第６の手段として、前記回転軸は、前記操作部の軸心と前記押圧軸部の軸心とを一致させたことを特徴とする。 Further, as a third means for solving the above problem, the pressing shaft portion is formed with a diameter smaller than that of the operation portion, and is guided by a rotating body that can rotate integrally with the rotating shaft. It is characterized by.
Further, as a fourth means for solving the above problems, the rotating body has a guide hole through which the pressing shaft portion is inserted and can be guided, and more than a portion inserted through the guide hole. The buffer portion is provided on the rotating shaft located on the operation portion side.
Further, as a fifth means for solving the above-mentioned problem, the rotation shaft is characterized in that the axis of the operation part is different from the axis of the bent part.
Further, as a sixth means for solving the above-described problem, the rotation shaft is characterized in that the axis of the operation portion and the axis of the pressing shaft portion coincide with each other.

本発明において、回転軸の他端側（押圧軸部側）には、軸線方向に弾性変形可能な緩衝部が設けられているので、回転軸のプッシュ操作において、例えば、操作者が誤って許容荷重以上の押圧荷重が軸線方向に加わえられても、緩衝部が弾性変形して、許容荷重以上の押圧荷重を吸収することができる。
そのために、従来例で説明したような、押圧軸部の先端がつぶれるのを防止して、プッシュスイッチの信頼性を高めることができる。
また、緩衝部は、弾性変形可能に屈曲させた屈曲部からなるので、簡単な構成で緩衝部を確実に弾性変形させることができる。 In the present invention, the other end side (pressing shaft portion side) of the rotating shaft is provided with a buffer portion that can be elastically deformed in the axial direction. Even if a pressing load greater than the load is applied in the axial direction, the buffer portion can be elastically deformed to absorb the pressing load greater than the allowable load.
Therefore, as described in the conventional example, it is possible to prevent the tip of the pressing shaft portion from being crushed and to improve the reliability of the push switch.
Moreover, since the buffer part consists of the bending part bent so that elastic deformation was possible, a buffer part can be elastically deformed reliably with a simple structure.

また、押圧軸部は、径寸法が操作部より細軸に形成されて、回転軸と一体的に回転可能な回転体にガイドされているので、押圧軸部によるプッシュスイッチの押圧位置がバラツクのを防止できる。
また、回転体には、押圧軸部が挿通されてガイド可能なガイド孔が形成されており、ガイド孔に挿通される部分よりも操作部側に位置する回転軸に緩衝部を設けているので、緩衝部を設けた回転軸においても押圧軸部を確実にガイドでき、プッシュスイッチの押圧位置を正確に定めることができる。 Further, since the pressing shaft portion is formed with a diameter smaller than that of the operation portion and is guided by a rotating body that can rotate integrally with the rotating shaft, the pressing position of the push switch by the pressing shaft portion varies. Can be prevented.
Further, the rotating body is formed with a guide hole through which the pressing shaft portion can be inserted and guided, and the buffer portion is provided on the rotating shaft located on the operating portion side with respect to the portion inserted through the guide hole. The pressing shaft portion can be reliably guided even on the rotating shaft provided with the buffer portion, and the pressing position of the push switch can be accurately determined.

また、回転軸は、操作部の軸心と屈曲部の軸心とを異ならせたので、許容荷重以上の押圧荷重が加わった場合に、屈曲部を確実に弾性変形させて許容荷重以上の過大な押圧荷重を吸収することができる。
また、回転軸は、操作部の軸心と押圧軸部の軸心とを一致させたので、操作部の押圧荷重を押圧軸部を介してプッシュスイッチに確実に伝達することができる。 In addition, since the axis of the operating part and the axis of the bending part of the rotating shaft are different, when a pressing load exceeding the allowable load is applied, the bending part is surely elastically deformed and excessively exceeding the allowable load. Can absorb a large pressing load.
Moreover, since the rotating shaft made the axial center of an operation part and the axial center of a press shaft part correspond, the press load of an operating part can be reliably transmitted to a push switch via a press shaft part.

以下、本発明の回転型電気部品の一実施の形態を図面に基づいて説明する。図１は本発明の回転型電気部品の正面図であり、図２は図１の要部断面図であり、図３は図１の回転軸を９０度回転させた状態における要部断面図であり、図４は本発明に係わる回転軸の図であり、図５は回転軸の回転体への組立てを説明する分解斜視図であり、図６、図７は本発明の回転軸の変形例を説明する図である。   Hereinafter, an embodiment of a rotating electrical component of the present invention will be described with reference to the drawings. FIG. 1 is a front view of a rotary electric component of the present invention, FIG. 2 is a cross-sectional view of the main part of FIG. 1, and FIG. 3 is a cross-sectional view of the main part in a state where the rotation shaft of FIG. 4 is a diagram of a rotating shaft according to the present invention, FIG. 5 is an exploded perspective view illustrating assembly of the rotating shaft into a rotating body, and FIGS. 6 and 7 are modified examples of the rotating shaft of the present invention. FIG.

本発明の回転型電気部品を図１〜図７に基づいて説明すると共に、従来例で説明したものと同じ構成の部材は、同じ番号を付して説明する。
まず、本発明の回転型電気部品の回転検出手段Ｄを、例えばパルススイッチで説明すると、回転検出手段Ｄには、樹脂材料からなるケース１が配設されている。前記ケース１は、図２、図３に示すように、所定の径寸法と深さからなる凹部１ａによって図示右側が開放されている。 The rotary electric component of the present invention will be described with reference to FIGS. 1 to 7, and members having the same configurations as those described in the conventional example will be described with the same numbers.
First, the rotation detection means D of the rotary electric component according to the present invention will be described using, for example, a pulse switch. The rotation detection means D is provided with a case 1 made of a resin material. As shown in FIGS. 2 and 3, the case 1 is opened on the right side by a recess 1 a having a predetermined diameter and depth.

前記凹部１ａの底壁１ｂには、所定の径寸法で円形状の孔１ｃが形成され、凹部１ａの周部に形成した側壁１ｄによって、凹部１ａが囲まれている。
また、ケース１には、凹部１ａ内の底壁１ｂ上に一部を露出させた導電パターン２ａと、一部が側壁１ｄから外部に突出させた端子部２ｂとを有する、金属板から成る複数個の導電板２が埋設されている。
また、合成樹脂から成る回転体３は、中心部に後述する回転軸７の取付脚７ｅが挿通可能な小判孔３ａを有する筒部３ｂが形成されている。 A circular hole 1c having a predetermined diameter is formed in the bottom wall 1b of the recess 1a, and the recess 1a is surrounded by a side wall 1d formed in the peripheral portion of the recess 1a.
The case 1 has a plurality of metal plates each having a conductive pattern 2a partially exposed on the bottom wall 1b in the recess 1a and a terminal portion 2b partially protruding from the side wall 1d. Individual conductive plates 2 are embedded.
Further, the rotating body 3 made of synthetic resin is formed with a cylindrical portion 3b having an oval hole 3a through which a mounting leg 7e of a rotating shaft 7 described later can be inserted at the center.

また、回転体３は、図５に示すように、筒部３ｂの一端側である図示下端面には、内部の小判孔３ａにつながって一対の切欠孔３ｃが形成され、この一対の切欠孔３ｃに挟まれて所定の幅寸法の桟部３ｄが形成されている。
前記桟部３ｄの中心には、後述する回転軸７の押圧軸部７ｂを挿通させてガイド可能なガイド孔３ｅが貫通形成されている。
また、図３に示すように、回転体３には、小判孔３ａの内壁面の一部を内方に突出させて、一対の係止部３ｆが形成されると共に、筒部３ｂの外周に円形状の鍔部３ｇとこの鍔部３ｇ前面（図示右側）の円周方向に凹凸部３ｈとが形成されている。 In addition, as shown in FIG. 5, the rotating body 3 has a pair of cutout holes 3c formed on the lower end surface in the figure, which is one end side of the cylindrical portion 3b, connected to the internal oval hole 3a. A crosspiece 3d having a predetermined width is formed between 3c.
At the center of the crosspiece 3d, a guide hole 3e that can be guided by being inserted through a pressing shaft 7b of a rotating shaft 7 described later is formed.
Further, as shown in FIG. 3, the rotating body 3 has a part of the inner wall surface of the oval hole 3a protruding inward to form a pair of locking portions 3f, and on the outer periphery of the cylindrical portion 3b. An uneven portion 3h is formed in the circumferential direction of the circular flange portion 3g and the front surface (right side in the drawing) of the flange portion 3g.

また、回転体３の鍔部３ｇの後面（図示左側）には、弾性を有する金属板からなる摺動子４が取り付けられている。
そして、回転体３は、ケース１の凹部１ａ内に鍔部３ｇを位置させると共に、筒部３ｂの後端（図示左側）をケース１の孔１ｃに挿通することで、回転自在にケース１に支持されている。
また、回転体３が回転することで、回転体３に取り付けた摺動子４が複数の導電パターン２ａに対して接離し、接点の切り換えを行う回転検出手段Ｄである、例えばパルススイッチが構成されている。 A slider 4 made of an elastic metal plate is attached to the rear surface (left side in the drawing) of the flange 3g of the rotating body 3.
The rotating body 3 is positioned in the recess 1a of the case 1 and the rear end (left side in the figure) of the cylindrical portion 3b is inserted into the hole 1c of the case 1 so that the rotating body 3 can be rotated freely. It is supported.
Further, when the rotating body 3 rotates, the slider 4 attached to the rotating body 3 comes in contact with and separates from the plurality of conductive patterns 2a, and is a rotation detecting means D for switching the contacts, for example, a pulse switch is configured. Has been.

また、弾性を有する金属板あるいは合成樹脂等からなる板材５がリング状に形成されて配設され、この板材５は、ケース１の凹部１ａ前面を遮蔽するように、ケース１及び回転体３の鍔部３ｇの前面に配置されている。
そして、板材５には、舌片状の弾性片５ａが形成され、回転体３が回転することで、弾性片５ａが回転体３の凹凸部３ｈに係脱して、回転体３の回転動作に対してクリック感触を伴うものとなっている。
上述したように、摺動子４を取り付けた回転体３と、導電板２の一部を埋設して取り付けたケース１と、板材５とで、回転検出手段Ｄである、例えばパルススイッチが構成されている。前記回転検出手段Ｄは、パルススイッチに限らず、例えば導電パターンとして抵抗体パターンを用いた可変抵抗器等でも良い。 Further, a plate material 5 made of an elastic metal plate or a synthetic resin is formed in a ring shape, and this plate material 5 is arranged on the case 1 and the rotating body 3 so as to shield the front surface of the recess 1a of the case 1. It is arrange | positioned in the front surface of the collar part 3g.
The plate member 5 is formed with a tongue-like elastic piece 5a. When the rotating body 3 rotates, the elastic piece 5a engages / disengages with the concavo-convex portion 3h of the rotating body 3 so that the rotating body 3 rotates. On the other hand, it is accompanied by a click feeling.
As described above, the rotation body 3 to which the slider 4 is attached, the case 1 in which a part of the conductive plate 2 is embedded and attached, and the plate material 5 constitute the rotation detection means D, for example, a pulse switch. Has been. The rotation detection means D is not limited to a pulse switch, and may be a variable resistor using a resistor pattern as a conductive pattern, for example.

また、ハウジングを構成する金属板からなる軸受部材６は、板材５上に位置する平坦状の平板部６ａが形成されると共に、平板部６ａの中央部を絞り加工等で図示右方向に所定の孔径と高さ寸法で突出させて軸受部６ｂが形成されている。
そして、軸受部６ｂには、後述する回転軸７の操作部７ａが、回転操作可能及び軸線Ｓ方向（矢印Ｂ方向）にスライド移動可能で、ほとんどガタなく、軸受部６ｂとの間に微小なクリアランスを有して嵌合している。
また、軸受部材６には、図１に示すように、プリント基板（図示せず）等にスナップ係止可能なスナップ脚６ｃと、このスナップ脚６ｃの図示上下に固定爪６ｄが形成されている。
そして、軸受部材６は、固定爪６ｄをケース１の後方に配置される後述する絶縁体１０の後面に折り曲げることにより、ケース１と一体化されている。
この時の板材５は、ケース１の側壁１ｄと軸受部材６の平板部６ａとの間に挟持されるようになっている。なお、本実施の形態においては、ケース１、軸受部材６、及び絶縁体１０により、ハウジングが構成されている。 Further, the bearing member 6 made of a metal plate constituting the housing has a flat flat plate portion 6a positioned on the plate member 5, and a central portion of the flat plate portion 6a is predetermined in the right direction in the drawing by drawing or the like. A bearing portion 6b is formed by projecting with a hole diameter and a height dimension.
An operation portion 7a of the rotary shaft 7 described later can be rotated and slidably moved in the direction of the axis S (arrow B direction) in the bearing portion 6b. They are fitted with a clearance.
Further, as shown in FIG. 1, the bearing member 6 is formed with a snap leg 6c that can be snap-engaged to a printed circuit board (not shown) or the like, and a fixing claw 6d on the upper and lower sides of the snap leg 6c. .
The bearing member 6 is integrated with the case 1 by bending the fixed claw 6d to the rear surface of an insulator 10 to be described later disposed behind the case 1.
The plate material 5 at this time is sandwiched between the side wall 1 d of the case 1 and the flat plate portion 6 a of the bearing member 6. In this embodiment, the case 1, the bearing member 6, and the insulator 10 constitute a housing.

また、軸受部６ｂに回転自在に保持される回転軸７は、合成樹脂製の成型品からなり、強度向上のために樹脂材料にガラス繊維が充填されて成型加工されている。
前記回転軸７は、図３に示すように、軸受部材６の軸受部６ｂに保持されて軸受部６ｂから図示右側の一端側である操作部７ａが突出している。
また、回転軸７には、図４Ｃに示すように、軸線Ｓ上で図示左側の他端側に、操作部７ａより細軸の押圧軸部７ｂが形成されている。
即ち、軸線Ｓ上に位置する操作部７ａと押圧軸部７ｂとの軸心は、互いに一致している。 The rotating shaft 7 rotatably held by the bearing portion 6b is made of a synthetic resin molded product, and is molded by filling a glass fiber into a resin material in order to improve strength.
As shown in FIG. 3, the rotating shaft 7 is held by a bearing portion 6b of the bearing member 6 and an operation portion 7a on one end side on the right side of the drawing protrudes from the bearing portion 6b.
Further, as shown in FIG. 4C, the rotary shaft 7 is formed with a pressing shaft portion 7 b that is narrower than the operation portion 7 a on the other end side on the left side of the drawing on the axis S.
That is, the axial centers of the operation portion 7a and the pressing shaft portion 7b located on the axis S are coincident with each other.

また、回転軸７に他端部側（押圧軸部７ｂ側）であって、操作部７ａと押圧軸部７ｂとの間には、軸線Ｓ方向に弾性変形可能な緩衝部７ｃが設けられている。この緩衝部７ｃは、略Ｕ字状の屈曲部からなり、この屈曲部の軸心Ｆと軸線Ｓ上にある操作部７ａの軸心とが、位置ズレして異なっている。
前記緩衝部７ｃは、回転軸７を矢印Ｂ方向に押圧操作した時に、後述するドーム状の板ばね１１が反転するまでは弾性変形しないが、板ばね１１が反転後に、更に、大きな押圧荷重が回転軸７に加わると弾性変形して、大きな押圧荷重を吸収するようになっている。
そのために、図２、図３に示す状態の回転軸７の操作部７ａに、操作者が誤って許容荷重以上の押圧荷重を軸線方向Ｓに加えたり、或いは落下等により軸線方向Ｓに大きな衝撃荷重が加わったとしても、略Ｕ字状の屈曲部からなる緩衝部７ｃによって、押圧軸部７ｂの先端がつぶれないようになっている。 Further, a buffer portion 7c that is elastically deformable in the direction of the axis S is provided on the rotating shaft 7 on the other end side (on the pressing shaft portion 7b side) and between the operation portion 7a and the pressing shaft portion 7b. Yes. The buffer portion 7c is formed of a substantially U-shaped bent portion, and the axis F of the bent portion and the axis of the operation portion 7a on the axis S are different in position.
The buffer portion 7c is not elastically deformed when the rotating shaft 7 is pressed in the direction of the arrow B until the dome-shaped leaf spring 11 described later is reversed. However, after the leaf spring 11 is reversed, a larger pressing load is applied. When applied to the rotary shaft 7, it is elastically deformed to absorb a large pressing load.
For this purpose, the operator accidentally applies a pressing load in the axial direction S to the operating portion 7a of the rotating shaft 7 in the state shown in FIGS. 2 and 3, or a large impact in the axial direction S due to dropping or the like. Even when a load is applied, the tip of the pressing shaft portion 7b is not crushed by the buffer portion 7c formed of a substantially U-shaped bent portion.

また、回転軸７には、図３及び図４Ａに示すように、押圧軸部７ｂと緩衝部７ｃの左右側縁側に、所定の幅寸法と深さ寸法の一対の割溝７ｄが形成されている。
この割溝７ｄを挟んだ外側には、押圧軸部７ｂ及び緩衝部７ｃに沿って操作部７ａから延びる一対の取付脚７ｅが形成され、この取付脚７ｅの先端が鉤状になっている。前記押圧軸部７ｂは、取付脚７ｅよりも長く突出形成されている。
また、回転軸７には、操作部７ａの根元部分に段部７ｆが形成され、この段部７ｆは、回転軸７を矢印Ｂ方向にプッシュ操作した時に、回転体３の筒部３ｂ端部に当接するストッパー部となっている。
このような回転軸７は、操作部７ａが軸受部材６の軸受部６ｂに軸支されているので、回転操作時及び押圧操作時において、操作部７ａ側が、軸線Ｓと直交する方向にガタ付くのを規制することができる。 Further, as shown in FIGS. 3 and 4A, the rotary shaft 7 is formed with a pair of split grooves 7d having a predetermined width and depth on the left and right side edges of the pressing shaft portion 7b and the buffer portion 7c. Yes.
A pair of mounting legs 7e extending from the operating portion 7a along the pressing shaft portion 7b and the buffer portion 7c are formed outside the split groove 7d, and the tips of the mounting legs 7e have a hook shape. The pressing shaft portion 7b protrudes longer than the mounting leg 7e.
The rotating shaft 7 is formed with a step portion 7f at the base portion of the operation portion 7a. The step portion 7f is an end portion of the cylindrical portion 3b of the rotating body 3 when the rotating shaft 7 is pushed in the arrow B direction. It is a stopper part that comes into contact with.
Since the operation portion 7a is pivotally supported by the bearing portion 6b of the bearing member 6 in such a rotating shaft 7, the operation portion 7a side is rattled in a direction perpendicular to the axis S during the rotation operation and the pressing operation. Can be regulated.

また、回転軸７を回転体３に組み付けるには、ケース１に回転体３及び軸受部材６を取り付けた状態で、回転軸７の押圧軸部７ｂ側を、軸受部材６の軸受部６ｂから矢印Ｂ方向に挿通して、回転体３の小判孔３ａに挿入する。
すると、回転軸７は、鉤状の取付脚７ｅの先端部が、係止部３ｆの内面を摺接して、取付脚７ｅが割溝７ｄを狭める方向に弾性変形する。
そして、取付脚７ｅの鉤状の先端が係止部３ｆを通過すると、取付脚７ｅは、自身の弾性力で元の状態に復帰して、鉤状部分が係止部３ｆにスナップ係止されて回転軸７が、矢印Ａ方向への抜け止めされる。 Further, in order to assemble the rotating shaft 7 to the rotating body 3, the pressing shaft portion 7 b side of the rotating shaft 7 is moved from the bearing portion 6 b of the bearing member 6 to the arrow with the rotating body 3 and the bearing member 6 attached to the case 1. It is inserted in the B direction and inserted into the oval hole 3 a of the rotating body 3.
Then, the rotating shaft 7 is elastically deformed in such a direction that the tip end portion of the hook-shaped mounting leg 7e is in sliding contact with the inner surface of the locking portion 3f, and the mounting leg 7e narrows the split groove 7d.
When the hook-shaped tip of the mounting leg 7e passes through the locking portion 3f, the mounting leg 7e returns to its original state by its own elastic force, and the hook-shaped portion is snap-locked to the locking portion 3f. Thus, the rotation shaft 7 is prevented from coming off in the direction of arrow A.

また、取付脚７ｅによって回転体３に抜け止めされた回転軸７は、押圧軸部７ａが桟部３ｄのガイド孔３ｅに挿通されてガイドされている。
このことにより、押圧軸部７ｂは、軸線Ｓと直交する方向のガタ付きが規制されると共に、軸線Ｓ方向にスライド可能となっている。また、回転体３は、回転軸７と一体的に回転可能になっている。
このように回転体３に回転軸７を係合支持すると、軸受部材６の軸受部６ｂに操作部７ａが軸支されて軸受部６ｂから外方に突出すると共に、摺動子４を取付けた回転体３がケース１の凹部１ａに収納される。
そして、ケース１の後方側（図２において左側）に、後述する板ばね１１と絶縁体１０を配設した状態で、軸受部材６の固定爪６ｄを絶縁体１０の後面側に折り曲げされて、各部材の組立てが行われる。 Further, the rotating shaft 7 which is prevented from being detached from the rotating body 3 by the mounting leg 7e is guided by the pressing shaft portion 7a being inserted into the guide hole 3e of the crosspiece portion 3d.
Thus, the pressing shaft portion 7b is restricted from being loose in the direction orthogonal to the axis S and is slidable in the direction of the axis S. The rotating body 3 can rotate integrally with the rotating shaft 7.
When the rotating shaft 7 is engaged and supported on the rotating body 3 in this manner, the operating portion 7a is pivotally supported on the bearing portion 6b of the bearing member 6 and protrudes outward from the bearing portion 6b, and the slider 4 is attached. The rotating body 3 is accommodated in the recess 1 a of the case 1.
And in the state which arrange | positioned the leaf | plate spring 11 and the insulator 10 which are mentioned later on the back side (left side in FIG. 2) of the case 1, the fixing nail | claw 6d of the bearing member 6 is bend | folded to the rear surface side of the insulator 10, Each member is assembled.

このように組立てされた本発明の回転型電気部品は、図２に示す初期状態における回転軸７を、矢印Ｂ方向に押圧操作すると、押圧軸部７ｂが後述するプッシュスイッチＰを構成する板ばね１１を押圧して、板ばね１１を反転させるようになっている。
また、操作部７ａの押圧を解除すると、回転軸７は、後述する板ばね１１の弾性力で矢印Ａ方向に戻されて、鉤状の取付脚７ｅが係止部３ｆに係止されて抜け止めされる。なお、屈曲部からなる緩衝部７ｃは、回転体３のガイド孔３ｅに挿通されてガイドされる押圧軸部７ｂの部分よりも操作部７ａ側に位置する回転軸７に設けられる。これにより、緩衝部７ｃがガイド孔３ｅによる押圧軸部７ｂのガイドに影響を及ぼすことはなく、適切な位置に押圧軸部７ｂを位置決めすることができる。 When the rotary electric component of the present invention assembled in this way is operated to press the rotary shaft 7 in the initial state shown in FIG. 2 in the direction of arrow B, the press spring 7b constitutes a push switch P described later. 11 is pressed to invert the leaf spring 11.
When the pressing of the operation portion 7a is released, the rotary shaft 7 is returned in the direction of the arrow A by the elastic force of the leaf spring 11 described later, and the hook-shaped mounting leg 7e is locked by the locking portion 3f. Stopped. In addition, the buffer part 7c which consists of a bending part is provided in the rotating shaft 7 located in the operation part 7a side rather than the part of the press shaft part 7b penetrated by the guide hole 3e of the rotary body 3, and is guided. Thereby, the buffer portion 7c does not affect the guide of the pressing shaft portion 7b by the guide hole 3e, and the pressing shaft portion 7b can be positioned at an appropriate position.

また、ケース１の図示左側の後部には、固定接点８、９を埋設した絶縁体１０が取り付けられ、この絶縁体１０の内部には、可動接点としての弾性を有する金属板からなるドーム状の板ばね１１が配設されている。
前記板ばね１１は、その周辺部が固定接点９に常時接触し、且つ、その中央部が回転軸７の押圧軸部７ｂに当接して、回転軸７を常時矢印Ａ方向に弾性付勢している。
そして、本発明の回転型電気部品は、軸線Ｓ上に回転検出手段Ｄが配設されていると共に、固定接点８、９を有する絶縁体１０と板ばね１１とで構成されたプッシュスイッチＰが並列して配設されている。 In addition, an insulator 10 in which fixed contacts 8 and 9 are embedded is attached to the rear part of the case 1 on the left side of the figure, and inside the insulator 10 is a dome-like shape made of a metal plate having elasticity as a movable contact. A leaf spring 11 is provided.
The leaf spring 11 is always in contact with the fixed contact 9 at the periphery thereof, and the central portion thereof is in contact with the pressing shaft portion 7b of the rotating shaft 7, so that the rotating shaft 7 is always elastically biased in the direction of arrow A. ing.
In the rotary electric component of the present invention, the rotation detecting means D is disposed on the axis S, and the push switch P constituted by the insulator 10 having the fixed contacts 8 and 9 and the leaf spring 11 is provided. They are arranged in parallel.

次ぎに、上述したような構成の回転型電気部品の操作を説明する。操作部７ａの回転操作による回転軸７の回転に伴って回転体３が回転し、回転体３に取付けた摺動子４と導電パターン２ａとが相対的に摺動して、回転検出手段Ｄが操作される。
また、図２、図３に示す初期状態の回転軸７を矢印Ｂ方向に押圧操作すると、回転軸７の押圧軸部７ｂ先端が板ばね１１の中央部を押圧して、弾力性のある板ばね１１が反転し、板ばね１１の中央部内面が固定接点８に接触する。
このことにより、固定接点８と９とが導通してプッシュスイッチＰのスイッチ回路がＯＮする。 Next, the operation of the rotating electrical component having the above-described configuration will be described. The rotating body 3 rotates with the rotation of the rotating shaft 7 by the rotation operation of the operating portion 7a, and the slider 4 attached to the rotating body 3 and the conductive pattern 2a slide relative to each other, so that the rotation detecting means D Is operated.
2 and 3, when the rotary shaft 7 in the initial state is pressed in the direction of the arrow B, the tip of the press shaft portion 7b of the rotary shaft 7 presses the central portion of the leaf spring 11, and the elastic plate The spring 11 is reversed, and the inner surface of the central portion of the leaf spring 11 contacts the fixed contact 8.
As a result, the fixed contacts 8 and 9 become conductive and the switch circuit of the push switch P is turned on.

また、プッシュスイッチＰのスイッチ回路をＯＮさせた後、回転軸７に加えていた矢印Ｂ方向の押圧を解除すると、反転していた板ばね１１がドーム状の初期状態に復帰しようとする弾性力により、回転軸７が矢印Ａ方向に戻される。
すると、回転軸７は、取付脚７ｅが係止部３ｆに係止されて、回転軸７の矢印Ａ方向のスライドがストップして初期状態に自動復帰する。同時に、ドーム状に復帰した板ばね１１が固定接点８から離れて、プッシュスイッチＰのスイッチ回路がＯＦＦとなる。 Further, after the switch circuit of the push switch P is turned ON, when the pressing in the direction of arrow B applied to the rotary shaft 7 is released, the inverted leaf spring 11 is restored to the dome-like initial state. Thus, the rotating shaft 7 is returned in the direction of arrow A.
As a result, the mounting leg 7e of the rotating shaft 7 is locked to the locking portion 3f, and the sliding of the rotating shaft 7 in the direction of arrow A stops and automatically returns to the initial state. At the same time, the leaf spring 11 returned to the dome shape is separated from the fixed contact 8 and the switch circuit of the push switch P is turned off.

上述したような本発明の回転型電気部品は、回転軸７のプッシュ操作において、例えば、操作者が誤って回転軸７に許容荷重以上の押圧荷重を矢印Ｂ方向に加わえたとしても、略Ｕ字状の屈曲部からなる緩衝部７ｃが弾性変形して、許容荷重以上の押圧荷重を吸収することができる。
そのために、従来例で説明したような、押圧軸部７ｂの先端がつぶれるのを確実に防止でき、プッシュスイッチＰの動作の信頼性を高めることができる。
或いは落下等によって、操作部７ａの軸線方向Ｓに大きな衝撃荷重等が加わったとしても、この衝撃荷重等を緩衝部７ｃで確実に吸収できる。なお、許容荷重を超えた大きな押圧荷重が回転軸７に加えられた場合に、回転軸７」の段部７ｆが回転体３の筒部３ｂの端部に当接し、回転軸７のスライド移動が停止するようになっている。 The rotary electric component of the present invention as described above, for example, in the push operation of the rotary shaft 7, for example, even if the operator mistakenly applies a pressing load more than the allowable load to the rotary shaft 7 in the arrow B direction. The buffer portion 7c formed of a letter-shaped bent portion is elastically deformed and can absorb a pressing load that is greater than the allowable load.
Therefore, it is possible to reliably prevent the tip of the pressing shaft portion 7b from being crushed as described in the conventional example, and to improve the reliability of the operation of the push switch P.
Alternatively, even if a large impact load or the like is applied in the axial direction S of the operation portion 7a due to dropping or the like, the impact load or the like can be reliably absorbed by the buffer portion 7c. When a large pressing load exceeding the allowable load is applied to the rotating shaft 7, the step portion 7 f of the rotating shaft 7 abuts on the end of the cylindrical portion 3 b of the rotating body 3, and the sliding movement of the rotating shaft 7 is performed. Is supposed to stop.

また、回転軸７に形成した緩衝部７ｃの変形例として、図６に示すように、緩衝部７ｃを略Ｌ字状に屈曲させたものでも良い。
また、その他の変形例として、図７に示すように、幅広に形成した緩衝部７ｃの中央部に、軸線Ｓ方向に長尺状の楕円孔７ｇを貫通形成したものでも良い。 Further, as a modification of the buffer portion 7c formed on the rotating shaft 7, as shown in FIG. 6, the buffer portion 7c may be bent in a substantially L shape.
As another modified example, as shown in FIG. 7, a long elliptical hole 7 g may be formed through the central portion of the buffer portion 7 c formed wide so as to penetrate in the axis S direction.

本発明の回転型電気部品の正面図である。It is a front view of the rotary electrical component of the present invention. 図１の要部断面図である。It is principal part sectional drawing of FIG. 図１の回転軸を９０度回転させた状態における要部断面図である。It is principal part sectional drawing in the state which rotated the rotating shaft of FIG. 1 90 degree | times. 本発明に係わる回転軸の図である。It is a figure of the rotating shaft concerning this invention. 本発明に係わる回転軸の回転体への組立てを説明する分解斜視図である。It is a disassembled perspective view explaining the assembly to the rotary body of the rotating shaft concerning this invention. 本発明に係わる回転軸の変形例を説明する図（断面図）である。It is a figure (sectional drawing) explaining the modification of the rotating shaft concerning this invention. 本発明に係わる回転軸の変形例を説明する図（断面図）である。It is a figure (sectional drawing) explaining the modification of the rotating shaft concerning this invention. 従来の回転型電気部品の要部断面図である。It is principal part sectional drawing of the conventional rotary electrical component. 図８の要部拡大図である。It is a principal part enlarged view of FIG.

符号の説明Explanation of symbols

Ｄ 回転検出手段
１ ケース（ハウジング）
１ａ 凹部
１ｂ 底壁
１ｃ 孔
１ｄ 側壁
２ 導電板
２ａ 導電パターン
３ 回転体
３ａ 小判孔
３ｂ 筒部
３ｃ 切欠孔
３ｄ 桟部
３ｅ ガイド孔
３ｆ 係止部
３ｇ 鍔部
３ｈ 凹凸部
４ 摺動子
５ 板材
５ａ 弾性片
６ 軸受部材（ハウジング）
６ａ 平板部
６ｂ 軸受部
６ｃ スナップ脚
６ｄ 固定爪
７ 回転軸
７ａ 操作部
７ｂ 押圧軸部
７ｃ 緩衝部（屈曲部）
７ｄ 割溝
７ｅ 取付脚
７ｆ 段部
８、９ 固定接点
１０ 絶縁体（ハウジング）
１１ 板ばね（可動接点）
Ｓ 軸線
Ｐ プッシュスイッチ
D Rotation detection means 1 Case (housing)
DESCRIPTION OF SYMBOLS 1a Recess 1b Bottom wall 1c Hole 1d Side wall 2 Conductive plate 2a Conductive pattern 3 Rotating body 3a Oval hole 3b Cylindrical part 3c Notch hole 3d Bar part 3e Guide hole 3f Locking part 3g Eave part 3h Concavity and convexity 4 Slider 5a Elastic piece 6 Bearing member (housing)
6a Flat plate part 6b Bearing part 6c Snap leg 6d Fixing claw 7 Rotating shaft 7a Operation part 7b Pressing shaft part 7c Buffer part (bending part)
7d Split groove 7e Mounting leg 7f Step part 8, 9 Fixed contact 10 Insulator (housing)
11 Leaf spring (movable contact)
S axis P Push switch

Claims (6)

ケースと、このケースに設けた軸受部から一端側の操作部が突出する合成樹脂製の回転軸と、この回転軸の回転を検出可能な摺動子及び導電パターンからなる回転検出手段と、前記操作部を前記回転軸の軸線方向に押圧することにより、前記回転軸の他端側に設けられた押圧軸部によって操作可能なプッシュスイッチとを備え、
前記回転軸の前記他端側には、前記軸線方向に弾性変形可能な緩衝部が設けられていることを特徴とする回転型電気部品。 A rotation shaft made of a synthetic resin from which an operation portion on one end side projects from a bearing portion provided in the case, a rotation detecting means including a slider and a conductive pattern capable of detecting the rotation of the rotation shaft, A push switch that can be operated by a pressing shaft portion provided on the other end side of the rotating shaft by pressing the operating portion in the axial direction of the rotating shaft;
A rotating electrical component, wherein a buffer portion that is elastically deformable in the axial direction is provided on the other end side of the rotating shaft. 前記緩衝部は、弾性変形可能に屈曲させた屈曲部からなることを特徴とする請求項１記載の回転型電気部品。   The rotary electric component according to claim 1, wherein the buffer portion includes a bent portion that is bent so as to be elastically deformable. 前記押圧軸部は、径寸法が前記操作部より細軸に形成されて、前記回転軸と一体的に回転可能な回転体にガイドされていることを特徴とする請求項１、または２記載の回転型電気部品。   3. The press shaft portion according to claim 1, wherein the pressing shaft portion has a diameter smaller than that of the operation portion and is guided by a rotating body that can rotate integrally with the rotating shaft. Rotating electrical parts. 前記回転体には、前記押圧軸部が挿通されてガイド可能なガイド孔が形成されており、前記ガイド孔に挿通される部分よりも前記操作部側に位置する前記回転軸に前記緩衝部を設けたことを特徴とする請求項３記載の回転型電気部品。   The rotating body is formed with a guide hole through which the pressing shaft portion is inserted and can be guided. The rotary electrical component according to claim 3, wherein the rotary electrical component is provided. 前記回転軸は、前記操作部の軸心と前記屈曲部の軸心とを異ならせたことを特徴とする請求項２記載の回転型電気部品。   The rotary electric component according to claim 2, wherein the rotary shaft has a different axis center of the operation portion and an axis center of the bent portion. 前記回転軸は、前記操作部の軸心と前記押圧軸部の軸心とを一致させたことを特徴とする請求項１乃至５の何れか１項に記載の回転型電気部品。
The rotary electric component according to any one of claims 1 to 5, wherein the rotary shaft has an axial center of the operation portion and an axial center of the pressing shaft portion coincided with each other.
JP2006008356A 2006-01-17 2006-01-17 Rotary electrical component Withdrawn JP2007193958A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2006008356A JP2007193958A (en) 2006-01-17 2006-01-17 Rotary electrical component

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2006008356A JP2007193958A (en) 2006-01-17 2006-01-17 Rotary electrical component

Publications (1)

Publication Number Publication Date
JP2007193958A true JP2007193958A (en) 2007-08-02

Family

ID=38449508

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2006008356A Withdrawn JP2007193958A (en) 2006-01-17 2006-01-17 Rotary electrical component

Country Status (1)

Country Link
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2016015231A (en) * 2014-07-01 2016-01-28 矢崎総業株式会社 Protective cover for electric component

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2016015231A (en) * 2014-07-01 2016-01-28 矢崎総業株式会社 Protective cover for electric component

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