JPH04263Y2 - - Google Patents
Info
- Publication number
- JPH04263Y2 JPH04263Y2 JP11904086U JP11904086U JPH04263Y2 JP H04263 Y2 JPH04263 Y2 JP H04263Y2 JP 11904086 U JP11904086 U JP 11904086U JP 11904086 U JP11904086 U JP 11904086U JP H04263 Y2 JPH04263 Y2 JP H04263Y2
- Authority
- JP
- Japan
- Prior art keywords
- motor
- side plate
- sensor
- adjustment
- rotor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- 238000001514 detection method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
Landscapes
- Optical Transform (AREA)
Description
【考案の詳細な説明】
［産業上の利用分野］
本考案は、小型モータにおいてロータの回転位
置を検知する装置の改良に関するものである。[Detailed Description of the Invention] [Industrial Application Field] The present invention relates to an improvement of a device for detecting the rotational position of a rotor in a small motor.
［考案の概要］
本考案は、モータのロータと一体に回転するエ
ンコーダデイスクのスリツトを、モータの不動部
材に設けた光電センサをもつて検知することによ
り、ロータの回転位置を検知する小型モータにお
いて、エンコーダデイスクと対向するモータの側
板に直接光電センサを設けて、側板に、狭幅の連
絡部を残して光電センサの近くを囲む調整溝を切
設するとともに、上記調整溝に囲まれた部分を、
変位させて光電センサの位置を調整することがで
きるようにしたものである。[Summary of the invention] The present invention is a small motor that detects the rotational position of the rotor by detecting the slit of an encoder disk that rotates together with the motor rotor using a photoelectric sensor installed on a stationary member of the motor. , a photoelectric sensor is provided directly on the side plate of the motor facing the encoder disk, and an adjustment groove is cut in the side plate surrounding the vicinity of the photoelectric sensor, leaving a narrow communication portion, and a portion surrounded by the adjustment groove is cut in the side plate. of,
The position of the photoelectric sensor can be adjusted by displacing it.
［従来の技術］
従来、光電センサの位置の調整は、専用の調整
板をモータの側板に設けて、位置調整後は、ねじ
をもつて調整板を側板に固定している。[Prior Art] Conventionally, to adjust the position of a photoelectric sensor, a dedicated adjustment plate is provided on the side plate of the motor, and after the position adjustment, the adjustment plate is fixed to the side plate with a screw.
［考案が解決しようとする問題点］
そのため位置検知装置を構成する部品点数が多
く、製作費が高価となり、また落下等による調整
板への衝撃により、調整位置が狂うことがある。[Problems to be solved by the invention] Therefore, the number of parts constituting the position detection device is large, the manufacturing cost is high, and the adjustment position may be deviated due to impact on the adjustment plate due to falling or the like.
［問題点を解決するための手段］
本考案は、センサを直接モータの側板に装着し
て、側板に狭幅の連絡部を残してセンサの近くを
囲む調整溝を切設し、上記調整溝に囲まれた部分
を変位させて、光電センサの位置を調整するよう
にして、上述の問題点の解決を図つたものであ
る。[Means for solving the problem] The present invention mounts the sensor directly on the side plate of the motor, leaves a narrow communication part on the side plate and cuts an adjustment groove surrounding the sensor, and the above adjustment groove The above-mentioned problem is solved by displacing the portion surrounded by the photoelectric sensor to adjust the position of the photoelectric sensor.
［作用］
本考案においては、センサを直接側板に装着し
ても、側板に設けたセンサ近くの連絡部が狭幅と
なつているので、側板の調整溝に囲まれた部分
を、治具等により容易に変位させて、センサの位
置を調整することができる。[Function] In the present invention, even if the sensor is mounted directly on the side plate, the connecting part near the sensor provided on the side plate is narrow, so the part surrounded by the adjustment groove on the side plate can be used with a jig, etc. The position of the sensor can be adjusted by easily displacing the sensor.
［考案の実施例］
第１図と第２図において、１はモータ、２はケ
ース、３は側板、４はロータ、５はモータ軸、６
はモータ軸５を枢支する軸受で、ロータ４の図面
上面には、ロータ４と同軸をなし、要所にスリツ
ト（図示省略）を切設したエンコーダデイスク７
が装着されている。[Example of the invention] In Figs. 1 and 2, 1 is a motor, 2 is a case, 3 is a side plate, 4 is a rotor, 5 is a motor shaft, and 6
is a bearing that pivotally supports the motor shaft 5, and on the upper surface of the rotor 4 is an encoder disk 7 that is coaxial with the rotor 4 and has slits (not shown) cut at key points.
is installed.
第１図に示すように、上方の側板３には、放射
方向端部が開口するコ字形の第１調整溝８が切設
され、側板３の周縁からは、Ｃ字形をなし、第１
調整溝８の外端部を囲む第２調整溝９が切設さ
れ、第２図に示すように第１調整溝８の内方に
は、側板３の若干上方においてほぼ平行をなす、
求心方向を向く舌片１０が形成され、舌片１０と
側板３は、狭幅の連絡部１１をもつて連絡されて
いる。 As shown in FIG. 1, a U-shaped first adjustment groove 8 whose radial end is open is cut into the upper side plate 3.
A second adjustment groove 9 is cut out to surround the outer end of the adjustment groove 8, and as shown in FIG.
A tongue piece 10 facing in the centripetal direction is formed, and the tongue piece 10 and the side plate 3 are connected through a narrow communication part 11.
舌片１０には、内端縁より取付溝１２が、また
周縁縁より係合溝１３が切り込まれ、中央には係
合孔１４が穿設され、ケース２における係合孔１
４の直下には不動孔１５が穿設されている。 A mounting groove 12 is cut into the tongue piece 10 from the inner edge, an engagement groove 13 is cut from the peripheral edge, and an engagement hole 14 is bored in the center.
An immovable hole 15 is bored immediately below the hole 4.
舌片１０の取付溝１２には、上記エンコーダデ
イスク７のスリツトに対応する光電センサ１６の
本体１６ａが嵌合し、側板３と舌片１０の間に
は、光電センサ１６のフランジ１６ｂが圧入され
て固定されている。 The main body 16a of the photoelectric sensor 16 corresponding to the slit of the encoder disk 7 fits into the mounting groove 12 of the tongue piece 10, and the flange 16b of the photoelectric sensor 16 is press-fitted between the side plate 3 and the tongue piece 10. Fixed.
第３図と第４図は、上述の本考案装置の調整に
使用する治具１７を示すもので、角杆状のハンド
ル１８の下面先端には、上記調整孔１４及び不動
孔１５に嵌合しうる円柱状の突起１９が、またそ
の近くには、上記調整溝１３に係合しうる角杆状
の突起２０が垂設されている。 3 and 4 show a jig 17 used for adjusting the above-mentioned device of the present invention, and a square rod-shaped handle 18 has a handle 18 fitted at the lower end thereof to fit into the adjustment hole 14 and the immovable hole 15. A cylindrical protrusion 19 that can be engaged with the adjustment groove 13 is vertically disposed near the cylindrical protrusion 19 that can be engaged with the adjustment groove 13.
上述の本考案装置は、第５図に示すように、治
具１７の円柱状突起１９と角杆状突起２０を、そ
れぞれ係合孔１４と係合溝１３に係合させて、ハ
ンドル１８を矢印で示すように強制的に回動させ
れば、舌片１０は連絡部１１において塑性変形し
て、任意の方向に永久変位し、保持する光電セン
サ１６の位置を任意に調整することができる。 As shown in FIG. 5, the device of the present invention described above engages the cylindrical protrusion 19 and the square rod-shaped protrusion 20 of the jig 17 with the engagement hole 14 and the engagement groove 13, respectively, to open the handle 18. If the tongue piece 10 is forcibly rotated as shown by the arrow, the tongue piece 10 will be plastically deformed in the communication part 11 and permanently displaced in any direction, allowing the position of the photoelectric sensor 16 held to be adjusted as desired. .
なお、本考案は第１、第２両調整溝８，９の形
状や数、あるいは係合溝１３と係合孔１４の形状
や数を、上述に限定するものではない。 Note that the present invention does not limit the shapes and numbers of the first and second adjustment grooves 8 and 9, or the shapes and numbers of the engagement grooves 13 and engagement holes 14 to those described above.
［考案の効果］
本考案は、センサを側板に設けて、この側板の
調整溝に囲まれた部分を変位させて、センサの位
置を調整するようになつているので、従来の装置
に使用した調整板やこれを固定するねじ等が不要
で、部品点数が少なくなり、従つて安価に製作す
ることができ、また誤つて落下させても、専用の
調整板を設けたものではないので、衝撃によりセ
ンサの調整位置が狂うことはない。[Effects of the invention] In the present invention, the sensor is provided on the side plate, and the position of the sensor is adjusted by displacing the part of the side plate surrounded by the adjustment groove. There is no need for adjustment plates or screws to fix them, the number of parts is reduced, and it can be manufactured at low cost.Also, even if you accidentally drop it, there is no shock as there is no special adjustment plate installed. Therefore, the adjusted position of the sensor will not go out of order.
第１図は本考案を適用したモータの上面図、第
２図は同じく一部中央縦断側面図、第３図は軸の
側面図、第４図は同じく下面図、第５図は調整状
況を示すエンコーダデイスクの一部上面図であ
る。
１……モータ、３……側板、４……ロータ、７
……エンコーダデイスク、８……第１調整溝、９
……第２調整溝、１１……連絡部、１３……係合
溝、１４……係合孔、１６……光電センサ、１７
……治具。
Fig. 1 is a top view of the motor to which the present invention is applied, Fig. 2 is a partially longitudinal side view of the same, Fig. 3 is a side view of the shaft, Fig. 4 is a bottom view, and Fig. 5 shows the adjustment status. FIG. 3 is a partial top view of the encoder disk shown in FIG. 1...Motor, 3...Side plate, 4...Rotor, 7
... Encoder disk, 8 ... First adjustment groove, 9
...Second adjustment groove, 11...Communication section, 13...Engagement groove, 14...Engagement hole, 16...Photoelectric sensor, 17
……jig.
Claims (1)
イスクのスリツトを、モータの不動部材に設けた
センサをもつて検知して、ロータの停止位置を検
知する小型モータにおいて、エンコーダデイスク
と対向するモータの側板にセンサを設けると共
に、上記側板に、狭幅の連絡部を残してセンサの
近くを囲む調整溝を切設し、該調整溝に囲まれた
部分を変位させうるようにしたことを特徴とす
る、小型モータにおけるロータの回転位置検知装
置。 A sensor installed on a stationary member of the motor detects a slit in an encoder disk that rotates together with the motor's rotor to detect the stopped position of the rotor.In a small motor, a sensor is installed on the side plate of the motor facing the encoder disk. and an adjustment groove is cut in the side plate to surround the vicinity of the sensor, leaving a narrow communication part, so that the part surrounded by the adjustment groove can be displaced. A device for detecting the rotational position of a rotor in a motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11904086U JPH04263Y2 (en) | 1986-08-01 | 1986-08-01 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11904086U JPH04263Y2 (en) | 1986-08-01 | 1986-08-01 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6325319U JPS6325319U (en) | 1988-02-19 |
| JPH04263Y2 true JPH04263Y2 (en) | 1992-01-07 |
Family
ID=31006048
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11904086U Expired JPH04263Y2 (en) | 1986-08-01 | 1986-08-01 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH04263Y2 (en) |
-
1986
- 1986-08-01 JP JP11904086U patent/JPH04263Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6325319U (en) | 1988-02-19 |
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