WO2018158905A1 - 回転操作部品 - Google Patents
回転操作部品 Download PDFInfo
- Publication number
- WO2018158905A1 WO2018158905A1 PCT/JP2017/008251 JP2017008251W WO2018158905A1 WO 2018158905 A1 WO2018158905 A1 WO 2018158905A1 JP 2017008251 W JP2017008251 W JP 2017008251W WO 2018158905 A1 WO2018158905 A1 WO 2018158905A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- bearing
- operation shaft
- rotation operation
- tapered surface
- annular
- Prior art date
Links
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H19/00—Switches operated by an operating part which is rotatable about a longitudinal axis thereof and which is acted upon directly by a solid body external to the switch, e.g. by a hand
- H01H19/02—Details
- H01H19/10—Movable parts; Contacts mounted thereon
- H01H19/20—Driving mechanisms allowing angular displacement of the operating part to be effective in either direction
Definitions
- the present invention relates to a rotary operation component including a rotary operation shaft and a bearing into which one end of the rotation operation shaft is inserted and rotatably holds the rotary operation shaft.
- Patent Documents 1 and 2 describe a rotating shaft holding structure for an electronic component that prevents a rotating operation shaft from coming out of the bearing when a retaining ring fitted in a groove of the rotating operation shaft comes into contact with the bearing. Is disclosed.
- An object of the present invention is to provide a rotary operation component capable of suppressing the play of the rotary operation shaft while allowing the rotary operation shaft to rotate smoothly with respect to the bearing.
- the rotational operation component of the present invention includes a rotational operation shaft, a bearing in which one end of the rotational operation shaft is inserted, and rotatably supporting the rotational operation shaft, and a ring spring.
- a rotational operation shaft In the annular region holding the shaft, an annular first end is provided at the end on the back side of the bearing, and an annular second end is provided on the end opposite to the inner end in the annular region.
- a first tapered surface is formed on the inner side of the first end so that the inner diameter of the bearing increases toward the inner side of the bearing, and the surface faces the first tapered surface of the rotation operation shaft.
- the second taper surface is formed so that the outer diameter of the rotation operation shaft increases toward the inner side of the bearing, and the taper angle of the first taper surface is larger than the taper angle of the second taper surface.
- the ring spring is sandwiched between the first tapered surface and the second tapered surface , Characterized in that it is arranged in a state of pressing the first tapered surface.
- rattling of the rotary operation shaft can be suppressed while allowing the rotary operation shaft to rotate smoothly with respect to the bearing.
- a potentiometer will be described as an example of a rotary operation component.
- the present invention is not limited to this, and can be widely applied to components including a rotation operation shaft and a bearing in which one end of the rotation operation shaft is inserted and the rotation operation shaft is rotatably held.
- FIG. 1 is an exploded perspective view of a potentiometer 10 according to the present embodiment.
- the potentiometer 10 includes a rotation operation shaft 11, a magnet 12, a bearing 13, a ring spring 14, a circuit board 15, and a holder 16.
- Rotation operation axis 11 is an axis that is rotated by a user.
- the magnet 12 is a magnet that is fixed to the rotation operation shaft 11 and rotates together with the rotation operation shaft 11.
- the change of the magnetic field due to the rotation of the magnet 12 is detected by the Hall IC 15a mounted on the circuit board 15 described later.
- the bearing 13 is a bearing into which one end portion of the rotary operation shaft 11 is inserted and rotatably holds the rotary operation shaft 11.
- the bearing 13 is combined with the holder 16 to form a housing that houses the circuit board 15.
- the ring spring 14 is an annular spring that is partially cut.
- the ring spring 14 has elasticity, and when it is deformed so that the interval between the cut portions is widened, the ring spring 14 is narrowed to return to the original shape. Therefore, when there is an object on the inner peripheral side of the ring spring 14, the object is pressed.
- the cross section of the ring spring 14 may be circular or elliptical.
- the circuit board 15 is a circuit board on which an electronic circuit such as a Hall IC (Integrated Circuit) 15a is mounted. When the magnet 12 rotates, the circuit board 15 converts the change in the magnetic field detected by the Hall IC 15a into a voltage and outputs the voltage.
- a Hall IC Integrated Circuit
- the holder 16 is combined with the bearing 13 to form a housing for storing the circuit board 15.
- FIG. 2 is a cross-sectional view of the potentiometer 10 according to the present embodiment.
- FIG. 3 is a view showing a state of the rotary operation shaft 11 and the ring spring 14 disposed between the bearings 13. 2 and 3 are cross-sectional views when the rotary operation shaft 11 includes a rotation axis and is cut along a cross section parallel to the rotation axis.
- the bearing 13 has an annular first end portion 13 b at the end on the back side of the bearing 13 in the annular region 13 a that holds the rotation operation shaft 11, and the annular region 13 a.
- An annular second end portion 13c is provided at an end portion on the opposite side to the end portion on the back side.
- a first tapered surface 13d is formed on the inner side of the first end portion 13b so that the inner diameter of the bearing 13 increases toward the inner side of the bearing 13 (in the direction of arrow A).
- a second tapered surface 11 a is formed on the surface of the rotational operation shaft 11 that faces the first tapered surface 13 d so that the outer diameter of the rotational operation shaft 11 increases toward the back side of the bearing 13. .
- the taper angle ⁇ of the first tapered surface 13d is larger than the taper angle ⁇ of the second tapered surface 11a.
- the first tapered surface 13d and the second tapered surface 11a are linear when viewed in cross section.
- the first tapered surface 13d and the second tapered surface 11a may be formed so as to be curved.
- the ring spring 14 is disposed between the first tapered surface 13d and the second tapered surface 11a so as to press the first tapered surface 13d.
- the annular ring spring 14 that is partially cut is deformed so that the interval between the cut portions is widened, and is disposed between the first tapered surface 13d and the second tapered surface 11a. Is done. And the ring spring 14 presses the 1st taper surface 13d by narrowing to return to the original shape.
- the ring spring 14 tends to move along the first tapered surface 13d in the direction opposite to the back side of the bearing 13 (the direction opposite to the arrow A). 13d and the second tapered surface 11a. As a result, rattling of the rotary operation shaft 11 with respect to the bearing 14 can be effectively suppressed.
- the rotation operation shaft 11 includes a first columnar portion 11b inserted into the bearing 13 and a second columnar portion 11c having an outer diameter larger than that of the first columnar portion 11b.
- the second end portion 13c supports the annular step portion 11d at the boundary between the first columnar portion 11b and the second columnar portion 11c with a surface. Thereby, the play of the rotating operation shaft 11 can be more effectively suppressed.
- the step portion 11d described above is composed of the side surface 11e of the second columnar portion 11c and the annular surface 11f on the outer peripheral side of the bottom surface of the second columnar portion 11c.
- the second end portion 13c supports the side surface 11e of the second cylindrical portion 11c by the annular surface 13e from the radial direction of the rotation operation shaft 11, and is provided on the outer peripheral side of the bottom surface of the second cylindrical portion 11c.
- the annular surface 11 f is supported by the annular surface 13 f of the bearing 13 from the axial direction of the rotary operation shaft 11.
- the rotation operation shaft 11 includes the first columnar portion 11 b and the second columnar portion 11 c, but the first columnar portion 11 c is used as a flange, and the first columnar portion 11 c is a flange.
- the third cylindrical portion having the same or smaller outer diameter than the cylindrical portion 11b of the first cylindrical portion 11b and the third cylindrical portion is the second cylindrical portion. It is good also as providing so that 11c may be pinched
- the second columnar portion 11c does not have to be a columnar shape, and may be a columnar shape such as a prismatic shape.
- the second end portion 13 c supports the annular surface 11 f on the outer peripheral side of the bottom surface of the columnar portion by the annular surface 13 f from the axial direction of the rotation operation shaft 11.
- a step is formed by the two annular surfaces 13 e and 13 f in the second end portion 13 c. However, there is no step, and the step is perpendicular to the rotation axis of the rotary operation shaft 11.
- An annular surface may be formed.
- the second end 13c supports the annular surface 11f on the outer peripheral side of the bottom surface of the second columnar portion 11c from the axial direction of the rotation operation shaft 11 by the annular surface described above.
- the rotation operation shaft 11 has a wall surface 11 g that stops the movement of the ring spring 14 at the end of the second tapered surface 11 a on the back side (direction of arrow A) of the bearing 13.
- a structure that prevents the rotation operation shaft 11 from moving in the axial direction of the rotation operation shaft 11 is provided in a portion other than the first end portion 13b to prevent the rotation operation shaft 11 from coming off the bearing 13. It is good to do.
- a groove is formed around the rotation operation shaft 11
- a protrusion is formed on the bearing 13 and the protrusion engages with the groove, so that the rotation of the rotation operation shaft 11 is not hindered.
- the movement of the rotary operation shaft 11 in the direction may be prevented.
- a cylindrical inner wall surface 11h that is separated from the rotation axis of the rotation operation shaft 11 by a certain distance is formed at the other end of the second tapered surface 11a.
- an annular wall surface 11i is formed at the end opposite to the end of the inner wall 11h connected to the second tapered surface 11a.
- cylindrical inner wall surface 11h is formed between the second tapered surface 11a and the wall surface 11i
- a tapered surface may be provided instead of the inner wall surface 11h.
- This tapered surface may be an extension of the second tapered surface 11a.
- the present invention is suitable for use in a rotary operation component having a rotary operation shaft such as a rotary switch or a potentiometer.
Landscapes
- Rotary Switch, Piano Key Switch, And Lever Switch (AREA)
- Mechanical Control Devices (AREA)
- Support Of The Bearing (AREA)
- Adjustable Resistors (AREA)
- Mounting Of Bearings Or Others (AREA)
Abstract
Description
11 回転操作軸
11a 第2のテーパー面
11b 第1の円柱状部分
11c 第2の円柱状部分
11d 段差部分
11e 第2の円柱状部分の側面
11f 第2の円柱状部分の底面外周側の環状面
11g 壁面
11h 内壁面
11i 壁面
12 マグネット
13 軸受
13a 回転操作軸を保持する領域
13b 第1の端部
13c 第2の端部
13d 第1のテーパー面
13e 環状面
13f 環状面
14 リングバネ
15 回路基板
15a ホールIC
16 ホルダ
Claims (5)
- 回転操作軸と、
前記回転操作軸の一方の端部が挿入されており、前記一方の端部を回転自在に保持する軸受と、
リングバネと、
を備え、
前記軸受は、前記回転操作軸を保持する環状領域における前記軸受の奥側の端部に環状の第1の端部を有し、前記環状領域における前記奥側の端部と反対側の端部に環状の第2の端部を有し、
前記第1の端部の内側には、前記軸受の奥側に向かうほど前記軸受の内径が大きくなるよう第1のテーパー面が形成されており、
前記回転操作軸の前記第1のテーパー面に対向する面には、前記軸受の奥側に向かうほど前記回転操作軸の外径が大きくなるよう第2のテーパー面が形成されており、
前記第1のテーパー面のテーパー角は前記第2のテーパー面のテーパー角よりも大きく、
前記リングバネは、前記第1のテーパー面、および、前記第2のテーパー面に挟まれて、前記第1のテーパー面を押圧する状態で配置されていることを特徴とする回転操作部品。 - 前記回転操作軸は、前記軸受に挿入される第1の円柱状部分と、前記第1の円柱状部分よりも外径が大きい第2の柱状部分とを備え、前記第2の端部は、前記第1の円柱状部分と前記第2の柱状部分との境界にある環状の段差部分を面で支持することを特徴とする請求項1に記載の回転操作部品。
- 前記第2の柱状部分は円柱状であり、前記段差部分は、前記第2の柱状部分の側面、および、前記第2の柱状部分の底面外周側の環状面からなり、前記第2の端部は、前記環状面を前記回転操作軸の軸方向から面で支持することを特徴とする請求項2に記載の回転操作部品。
- 前記第2の端部は、前記側面を前記回転操作軸の半径方向から面で支持することを特徴とする請求項3に記載の回転操作部品。
- 前記回転操作軸は、前記第2のテーパー面の端部に前記リングバネの移動を止める壁面を有することを特徴とする請求項1に記載の回転操作部品。
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP2017/008251 WO2018158905A1 (ja) | 2017-03-02 | 2017-03-02 | 回転操作部品 |
CN201780077440.9A CN110088865A (zh) | 2017-03-02 | 2017-03-02 | 旋转操作部件 |
KR1020197023238A KR102229310B1 (ko) | 2017-03-02 | 2017-03-02 | 회전 조작 부품 |
JP2019502380A JP6709322B2 (ja) | 2017-03-02 | 2017-03-02 | 回転操作部品 |
TW107106799A TWI745554B (zh) | 2017-03-02 | 2018-03-01 | 旋轉操作零件 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP2017/008251 WO2018158905A1 (ja) | 2017-03-02 | 2017-03-02 | 回転操作部品 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2018158905A1 true WO2018158905A1 (ja) | 2018-09-07 |
Family
ID=63370651
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2017/008251 WO2018158905A1 (ja) | 2017-03-02 | 2017-03-02 | 回転操作部品 |
Country Status (5)
Country | Link |
---|---|
JP (1) | JP6709322B2 (ja) |
KR (1) | KR102229310B1 (ja) |
CN (1) | CN110088865A (ja) |
TW (1) | TWI745554B (ja) |
WO (1) | WO2018158905A1 (ja) |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH11329806A (ja) * | 1998-05-12 | 1999-11-30 | Matsushita Electric Ind Co Ltd | 車載用回転操作型電子部品 |
JP2002015641A (ja) * | 2000-06-30 | 2002-01-18 | Alps Electric Co Ltd | 回転型電気部品 |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6333606A (ja) | 1986-07-29 | 1988-02-13 | Hitachi Maxell Ltd | 微小隙間測定装置 |
JP4036164B2 (ja) | 2003-08-19 | 2008-01-23 | 船井電機株式会社 | デジタルカメラおよびスイッチ装置 |
JP2005158328A (ja) * | 2003-11-21 | 2005-06-16 | Matsushita Electric Ind Co Ltd | 回転操作型電子部品 |
JP2005166460A (ja) * | 2003-12-03 | 2005-06-23 | Alps Electric Co Ltd | 回転型電気部品 |
JP5233501B2 (ja) * | 2007-12-18 | 2013-07-10 | パナソニック株式会社 | 回転操作型電子部品およびそれを搭載した電子機器 |
JP5256070B2 (ja) | 2009-02-10 | 2013-08-07 | 東京コスモス電機株式会社 | 電子部品のクリック機構、可変抵抗器 |
TWI521154B (zh) * | 2011-11-04 | 2016-02-11 | Tokyo Cosmos Electric | Rotary operation of the electronic components of the bearing structure |
TWI505312B (zh) * | 2011-11-04 | 2015-10-21 | Tokyo Cosmos Electric | Rotary operation of the electronic components of the bearing structure |
KR101305960B1 (ko) | 2011-12-09 | 2013-09-26 | 이상훈 | 태양전지를 이용한 빨래 건조대 |
JP5914312B2 (ja) | 2012-12-07 | 2016-05-11 | 東京コスモス電機株式会社 | 回転操作型電子部品 |
-
2017
- 2017-03-02 CN CN201780077440.9A patent/CN110088865A/zh active Pending
- 2017-03-02 JP JP2019502380A patent/JP6709322B2/ja active Active
- 2017-03-02 WO PCT/JP2017/008251 patent/WO2018158905A1/ja active Application Filing
- 2017-03-02 KR KR1020197023238A patent/KR102229310B1/ko active IP Right Grant
-
2018
- 2018-03-01 TW TW107106799A patent/TWI745554B/zh active
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH11329806A (ja) * | 1998-05-12 | 1999-11-30 | Matsushita Electric Ind Co Ltd | 車載用回転操作型電子部品 |
JP2002015641A (ja) * | 2000-06-30 | 2002-01-18 | Alps Electric Co Ltd | 回転型電気部品 |
Also Published As
Publication number | Publication date |
---|---|
TWI745554B (zh) | 2021-11-11 |
CN110088865A (zh) | 2019-08-02 |
KR102229310B1 (ko) | 2021-03-17 |
TW201833958A (zh) | 2018-09-16 |
JP6709322B2 (ja) | 2020-06-10 |
KR20190100398A (ko) | 2019-08-28 |
JPWO2018158905A1 (ja) | 2019-11-07 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
KR102221007B1 (ko) | 모터 | |
KR101881681B1 (ko) | 래디얼 포일 베어링 | |
JP5809551B2 (ja) | モータの軸受構造及びこれを備えたモータ | |
US6836041B2 (en) | Bearing device for a motor having a bearing set including multiple bearings of different materials | |
JP2014167427A (ja) | 多回転型ポテンショメータ | |
KR101899799B1 (ko) | 모터 | |
JP2005188527A (ja) | 転がり軸受およびこれを用いたモータ装置 | |
WO2018158905A1 (ja) | 回転操作部品 | |
JP2018068000A (ja) | 軸受保持構造およびモータ | |
JP2010183709A (ja) | モータ | |
US20060291758A1 (en) | Shaft assembly for motor | |
JP6934731B2 (ja) | 直動機構 | |
JP6866864B2 (ja) | リミットスイッチ | |
JP6289712B1 (ja) | ファンモータ装置およびその製造方法 | |
JP2020048298A (ja) | ファンモータ | |
JP6471053B2 (ja) | 回転型電気部品 | |
JP2006340459A (ja) | 回転電機 | |
JP2008228456A (ja) | モータ支持構造及びアクチュエータ | |
JP7006227B2 (ja) | 操作装置 | |
JP2007180282A (ja) | 回転ツマミの取り付け構造、および弾性部材 | |
KR20170110387A (ko) | 프리로드 값 변경 수단을 포함하는 베어링 | |
JP3197041U (ja) | スケートボード | |
JP2016164445A (ja) | 予圧付与機構 | |
JP2017215000A (ja) | ベアリングの保持構造 | |
JP2015200384A (ja) | 回転軸支持装置及び電動モータ |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 17898557 Country of ref document: EP Kind code of ref document: A1 |
|
ENP | Entry into the national phase |
Ref document number: 2019502380 Country of ref document: JP Kind code of ref document: A |
|
ENP | Entry into the national phase |
Ref document number: 20197023238 Country of ref document: KR Kind code of ref document: A |
|
NENP | Non-entry into the national phase |
Ref country code: DE |
|
122 | Ep: pct application non-entry in european phase |
Ref document number: 17898557 Country of ref document: EP Kind code of ref document: A1 |