JP3473646B2 - Detector lead wire fixing method - Google Patents
Detector lead wire fixing methodInfo
- Publication number
- JP3473646B2 JP3473646B2 JP31573594A JP31573594A JP3473646B2 JP 3473646 B2 JP3473646 B2 JP 3473646B2 JP 31573594 A JP31573594 A JP 31573594A JP 31573594 A JP31573594 A JP 31573594A JP 3473646 B2 JP3473646 B2 JP 3473646B2
- Authority
- JP
- Japan
- Prior art keywords
- lead wire
- fixed
- cover
- detection
- unit
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Motor Or Generator Frames (AREA)
- Manufacture Of Motors, Generators (AREA)
Description
【０００１】[0001]
【産業上の利用分野】本発明は、小形電動機に取付ける
光学式または磁気式の検出器において、リード線固定部
に樹脂モールド成形品を用いてカバーの切欠き部に挿入
することにより、リード線を確実に固定する方法に関す
るものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an optical or magnetic detector to be mounted on a small electric motor, which is obtained by inserting a lead wire fixing portion into a notch portion of a cover by using a resin molded product. The present invention relates to a method for securely fixing the.
【０００２】[0002]
【従来の技術】従来、検出器のリード線を固定する場合
は、内部にリード線を通したゴムブッシュや熱収縮チュ
ーブ、あるいは束線バンドを、電動機の反負荷側ブラケ
ットなどの固定部に固定する方法を用いていた。2. Description of the Related Art Conventionally, when fixing a lead wire of a detector, a rubber bush, a heat-shrinkable tube, or a bundling band, through which the lead wire is inserted, is fixed to a fixing portion such as a bracket of an anti-load side of a motor. Method was used.
【０００３】[0003]
【発明が解決しようとする課題】ところが、従来技術で
は、固定力の不足、組み立て工数の増加、広いスペース
が必要などの問題があった。そこで本発明は、これら従
来の問題を解決することのできるリード線固定方法を提
供することを目的とする。However, the conventional techniques have problems that the fixing force is insufficient, the number of assembling steps is increased, and a wide space is required. Therefore, it is an object of the present invention to provide a lead wire fixing method that can solve these conventional problems.
【０００４】[0004]
【課題を解決するための手段】上記問題を解決するた
め、本発明の検出器のリード線固定方法は、回転軸に取
り付けた検出回転部６と、固定部８に取り付けた検出固
定部５と、前記固定部８に取り付け前記検出回転部６と
検出固定部５とを覆うカバー３と、このカバー３の前記
固定部８との接合面に形成した略Ｕ字状の切欠き部３ａ
と、この切欠き部３ａに回転軸の軸方向から挿入して固
定する略Ｕ字状のリード線押さえ２とを有し、検出器の
リード線１を内部のリード線挿入部２ｂに通した前記リ
ード線押さえ２を前記カバー３の切欠き部３ａに挿入す
ることにより、リード線押さえ２が小さく撓んで、挿入
前はリード線の外径寸法よりも大きかったリード線挿入
部２ｂの寸法が挿入後はリード線の外径寸法よりも小さ
くなり、リード線１を挟持して固定するようにしたもの
である。また、リード線押さえの先端部にテーパー部を
設けるとともに、前記固定部の前記切欠き部に対応する
位置に、前記リード線押さえのテーパー部の幅寸法より
も小さいテーパー凹部を設け、検出器のリード線を内部
のリード線挿入部に通した前記リード線押さえのテーパ
ー部を、前記固定部のテーパー凹部に挿入することによ
り、リード線押さえが小さく撓んで、挿入前はリード線
の外径寸法よりも大きかったリード線挿入部２ｂの寸法
が挿入後はリード線の外径寸法よりも小さくなり、リー
ド線を挟持して固定するようにしたものである。In order to solve the above problems, a method of fixing a lead wire of a detector according to the present invention comprises a detection rotating portion 6 attached to a rotating shaft and a detection fixing portion 5 attached to a fixing portion 8. , A cover 3 attached to the fixed portion 8 to cover the detection rotating portion 6 and the detection fixed portion 5, and a substantially U-shaped cutout portion 3a formed on a joint surface of the cover 3 with the fixed portion 8.
And a substantially U-shaped lead wire retainer 2 which is inserted and fixed in the notch portion 3a from the axial direction of the rotary shaft, and the lead wire 1 of the detector is passed through the lead wire insertion portion 2b inside. By inserting the lead wire retainer 2 into the notch 3a of the cover 3, the lead wire retainer 2 bends slightly and is inserted.
Insertion of lead wire that was larger than the outer diameter of the lead wire before
The dimension of part 2b is smaller than the outer diameter of the lead wire after insertion.
The lead wire 1 is clamped and fixed. Further, a taper portion is provided at the tip end portion of the lead wire retainer, and a taper recess smaller than the width dimension of the taper portion of the lead wire retainer is provided at a position corresponding to the cutout portion of the fixing portion. By inserting the taper portion of the lead wire retainer, through which the lead wire is inserted into the lead wire insertion portion, into the taper recess of the fixing portion, the lead wire retainer bends slightly, and the lead wire retains before insertion.
Of the lead wire insertion part 2b that was larger than the outer diameter of
After insertion, the lead wire becomes smaller than the outer diameter of the lead wire, and the lead wire is clamped and fixed.
【０００５】[0005]
【作用】上記手段により、リード線をリード線挿入部に
通したリード線押さえを、カバーの切欠き部に挿入する
ことによって、また、リード線押さえのテーパー部を、
前記固定部のテーパー凹部に挿入することによって、リ
ード線押さえのリード線挿入部がリード線外径より小さ
くなってリード線被膜を圧縮し、リード線を強固に固定
することができる。By the above-mentioned means, the lead wire holder having the lead wire passed through the lead wire insertion portion is inserted into the notch portion of the cover, and the taper portion of the lead wire holder is
By inserting the lead wire into the tapered concave portion of the fixing portion, the lead wire insertion portion of the lead wire retainer becomes smaller than the outer diameter of the lead wire, and the lead wire coating can be compressed to firmly fix the lead wire.
【０００６】[0006]
【実施例】以下、本発明の第１の実施例を図１ないし図
７に基づいて説明する。なお、実施例は、光学式の検出
器を例にとって説明しているが磁気式の検出器でも同様
である。図１は第１の実施例を示すリード線固定後の検
出器の正断面図、図２は同側断面図、図３はリード線押
さえをカバーの切欠き部に挿入する前の図１における矢
視Ａ方向からみた平面図、図４はリード線押さえをカバ
ーの切欠き部に挿入した後の平面図、図５は図３におけ
るＢ−Ｂ断面図、図６は図４におけるＣ−Ｃ断面図であ
る。図７は斜視図である。図１および図２において、
発、受光部である検出固定部５は、電動機の反負荷側ブ
ラケットなどの固定部８にネジで固定されており、ディ
スクである検出回転部６はハブ７を介して回転軸１０に
固定されている。また、検出器のリード線１は、検出固
定部５に取り付けられた基板４にハンダ付け固定された
後、検出固定部５に固定されている。前記検出回転部６
と検出固定部５は、前記固定部８にネジ９で取り付けた
カバー３で覆われて保護されており、このカバー３は、
前記固定部８との接合面に略Ｕ字状の切欠き部３ａを形
成している。検出器のリード線は、リード線押さえ２を
介して前記カバー３に固定される。このリード線押さえ
２は、図３に示すように略Ｕ字状をしており、外周面に
溝２ａを形成するとともに、内部の空間をリード線挿入
部２ｂとしている。リード線１をこのリード線挿入部２
ｂに回転軸の軸方向から挿入した後に、図４に示すよう
に外周面の溝２ａにカバー３の切欠き部３ａの内側面を
通していくようにしてリード線押さえ２を切欠き部３ａ
に挿入していく。これにより、リード線押さえ２が小さ
く撓んでリード線１を挟持して固定することができる。
つまり、リード線押さえ２のリード線挿入部２ｂの寸法
Ｄは、切欠き部３ａへの挿入前においては、図５に示す
ようにリード線１の外径寸法Ｅよりも大きいが、切欠き
部３ａへの挿入後においては、リード線押さえ２は撓ん
で、図６に示すようにリード線１の外径寸法Ｅよりも小
さくなり、リード線押さえ２がリード線１を強く挟み込
むのである。図８、図９は本発明の第２の実施例を示す
平面図で、リード線押さえ２の先端部にテーパー部２ｃ
を設けるとともに、前記固定部８の前記切欠き部３ａに
対応する位置に、前記リード線押さえ２のテーパー部２
ｃの幅寸法Ｆよりも幅寸法Ｇが小さいテーパー凹部８ａ
を設け、検出器のリード線１を内部のリード線挿入部２
ｂに通した前記リード線押さえ２のテーパー部２ｃを、
前記固定部８のテーパー凹部８ａに挿入することによ
り、リード線押さえ２が小さく撓んでリード線１を挟持
して固定するようにしたものである。
この場合も、第１の実施例と同様の効果を得ることがで
きる。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A first embodiment of the present invention will be described below with reference to FIGS. Although the embodiment has been described by taking an optical detector as an example, the same applies to a magnetic detector. 1 is a front sectional view of a detector after fixing a lead wire according to the first embodiment, FIG. 2 is a sectional view of the same side, and FIG. 3 is a front view of FIG. 1 before a lead wire retainer is inserted into a cutout portion of a cover. FIG. 4 is a plan view seen from the direction of arrow A, FIG. 4 is a plan view after the lead wire retainer is inserted into the cutout portion of the cover, FIG. 5 is a cross-sectional view taken along line BB in FIG. 3, and FIG. FIG. FIG. 7 is a perspective view. 1 and 2,
The detection fixing portion 5 which is a light emitting and receiving portion is fixed to a fixing portion 8 such as an anti-load side bracket of an electric motor with a screw, and the detection rotating portion 6 which is a disk is fixed to the rotating shaft 10 via a hub 7. ing. The lead wire 1 of the detector is fixed to the detection fixing portion 5 after being fixed by soldering to the board 4 attached to the detection fixing portion 5. The detection rotation unit 6
The detection fixing part 5 is covered and protected by a cover 3 attached to the fixing part 8 with a screw 9, and the cover 3 is
A substantially U-shaped notch 3a is formed on the joint surface with the fixed portion 8. The lead wire of the detector is fixed to the cover 3 via the lead wire retainer 2. As shown in FIG. 3, the lead wire retainer 2 has a substantially U-shape, has a groove 2a formed on the outer peripheral surface thereof, and has an internal space as a lead wire insertion portion 2b. Connect the lead wire 1 to the lead wire insertion portion 2
After inserting the lead wire retainer 2 into the groove 3a from the axial direction of the rotary shaft, the lead wire holder 2 is inserted into the groove 2a on the outer peripheral surface as shown in FIG.
Insert into. As a result, the lead wire retainer 2 bends slightly and the lead wire 1 can be clamped and fixed.
That is, the dimension D of the lead wire insertion portion 2b of the lead wire retainer 2 is larger than the outer diameter dimension E of the lead wire 1 as shown in FIG. 5 before the lead wire insertion portion 2b is inserted into the notch portion 3a. After being inserted into 3a, the lead wire retainer 2 bends and becomes smaller than the outer diameter dimension E of the lead wire 1 as shown in FIG. 6, and the lead wire retainer 2 strongly sandwiches the lead wire 1. 8 and 9 are plan views showing a second embodiment of the present invention, in which a taper portion 2c is provided at the tip of the lead wire holder 2.
And the taper portion 2 of the lead wire retainer 2 is provided at a position corresponding to the cutout portion 3a of the fixing portion 8.
Tapered recess 8a having a width G smaller than the width F of c
And the lead wire 1 of the detector is connected to the lead wire insertion portion 2 inside.
The taper portion 2c of the lead wire retainer 2 which is passed through b,
By inserting into the taper recess 8a of the fixing portion 8, the lead wire retainer 2 flexes slightly and the lead wire 1 is clamped and fixed. Also in this case, the same effect as that of the first embodiment can be obtained.
【０００７】[0007]
【発明の効果】以上述べたように、本発明によれば、小
形の部品一つでリード線を強固で簡単に固定することが
でき、組み立て工数を削減し、取付けスペースを減少さ
せることができる。As described above, according to the present invention, the lead wire can be firmly and easily fixed with one small component, and the number of assembling steps can be reduced and the mounting space can be reduced. .
【図１】本発明の第１の実施例を示すリード線固定後の
検出器の正断面図である。FIG. 1 is a front sectional view of a detector after fixing a lead wire according to a first embodiment of the present invention.
【図２】本発明の第１の実施例を示すリード線固定後の
検出器の側断面図である。FIG. 2 is a side sectional view of the detector after fixing the lead wire according to the first embodiment of the present invention.
【図３】本発明の第１の実施例におけるリード線押さえ
をカバーの切欠き部に挿入する前の図１における矢視Ａ
方向からみた平面図である。FIG. 3 is an arrow view A in FIG. 1 before the lead wire retainer according to the first embodiment of the present invention is inserted into the cutout portion of the cover.
It is the top view seen from the direction.
【図４】本発明の第１の実施例におけるリード線押さえ
をカバーの切欠き部に挿入した後の平面図である。FIG. 4 is a plan view after inserting the lead wire retainer according to the first embodiment of the present invention into the cutout portion of the cover.
【図５】図３におけるＢ−Ｂ断面図である。5 is a sectional view taken along line BB in FIG.
【図６】図４におけるＣ−Ｃ断面図である。6 is a cross-sectional view taken along line CC of FIG.
【図７】本発明の第１の実施例を示す部分斜視図であ
る。FIG. 7 is a partial perspective view showing the first embodiment of the present invention.
【図８】本発明の第２の実施例におけるリード線押さえ
を固定部のテーパー凹部に挿入する前の平面図である。FIG. 8 is a plan view of the lead wire holder according to the second embodiment of the present invention before it is inserted into the tapered recess of the fixing portion.
【図９】本発明の第２の実施例におけるリード線押さえ
を固定部のテーパー凹部に挿入した後の平面図である。FIG. 9 is a plan view after inserting the lead wire retainer in the second embodiment of the present invention into the tapered recess of the fixing portion.
１ リード線 ２ リード押さえ ２ａ 溝 ２ｂ リード線挿入部 ２ｃ テーパー部 ３ カバー ３ａ 切欠き部 ４ 基板 ５ 検出固定部 ６ 検出回転部 ７ ハブ ８ 固定部 ９ ネジ １０ 回転軸 1 lead wire 2 Lead retainer 2a groove 2b Lead wire insertion part 2c taper part 3 cover 3a Notch 4 substrates 5 Detection fixed part 6 Detection rotation part 7 hub 8 Fixed part 9 screws 10 rotation axis
───────────────────────────────────────────────────── フロントページの続き (58)調査した分野(Int.Cl.7，ＤＢ名) H02K 15/04 H02K 5/22 ─────────────────────────────────────────────────── ─── Continuation of front page (58) Fields surveyed (Int.Cl. 7 , DB name) H02K 15/04 H02K 5/22
Claims (2)
定部８に取り付けた検出固定部５と、前記固定部８に取
り付け前記検出回転部６と検出固定部５とを覆うカバー
３と、このカバー３の前記固定部８との接合面に形成し
た略Ｕ字状の切欠き部３ａと、この切欠き部３ａに回転
軸の軸方向から挿入して固定する略Ｕ字状のリード線押
さえ２とを有し、検出器のリード線１を内部のリード線
挿入部２ｂに通した前記リード線押さえ２を前記カバー
３の切欠き部３ａに挿入することにより、リード線押さ
え２が小さく撓んで、挿入前はリード線の外径寸法より
も大きかったリード線挿入部２ｂの寸法が挿入後はリー
ド線の外径寸法よりも小さくなり、リード線１を挟持し
て固定することを特徴とする検出器のリード線固定方
法。1. A detection rotating unit 6 attached to a rotating shaft, a detection fixing unit 5 attached to a fixed unit 8, and a cover 3 attached to the fixing unit 8 to cover the detection rotating unit 6 and the detection fixing unit 5. , A substantially U-shaped cutout portion 3a formed on a joint surface of the cover 3 with the fixed portion 8, and the cutout portion 3a is rotated.
A lead wire retainer 2 having a substantially U-shape that is inserted and fixed in the axial direction of the shaft, and the lead wire retainer 2 in which the lead wire 1 of the detector is passed through the lead wire insertion portion 2b inside the cover 3 by inserting the notch 3a of, deflected small lead wire retainer 2, before insertion than the outer diameter of the lead wire
The size of the lead wire insertion part 2b, which was also large, is
A lead wire fixing method for a detector, which is smaller than the outer diameter of the lead wire and clamps and fixes the lead wire 1.
定部８に取り付けた検出固定部５と、前記固定部８に取
り付け前記検出回転部６と検出固定部５とを覆うカバー
３と、このカバー３の前記固定部８との接合面に形成し
た略Ｕ字状の切欠き部３ａと、この切欠き部３ａに回転
軸の軸方向から挿入して固定する略Ｕ字状で、かつ先端
部にテーパー部２ｃを設けたリード線押さえ２と、前記
固定部８の前記切欠き部３ａに対応する位置に設けられ
た、前記リード線押さえ２のテーパー部２ｃの幅寸法よ
りも小さいテーパー凹部８ａとを有し、検出器のリード
線１を内部のリード線挿入部２ｂに通した前記リード線
押さえ２のテーパー部２ｃを、前記固定部８のテーパー
凹部８ａに挿入することにより、リード線押さえ２が小
さく撓んで、挿入前はリード線の外径寸法よりも大きか
ったリード線挿入部２ｂの寸法が挿入後はリード線の外
径寸法よりも小さくなり、リード線１を挟持して固定す
ることを特徴とする検出器のリード線固定方法。2. A detection rotary unit 6 attached to a rotary shaft, a detection fixed unit 5 attached to a fixed unit 8, and a cover 3 attached to the fixed unit 8 to cover the detection rotary unit 6 and the detection fixed unit 5. , A substantially U-shaped cutout portion 3a formed on a joint surface of the cover 3 with the fixed portion 8, and the cutout portion 3a is rotated.
The lead wire retainer 2 has a substantially U-shape that is inserted and fixed in the axial direction of the shaft and has a tapered portion 2c at its tip, and is provided at a position corresponding to the notch 3a of the fixed portion 8. , The taper portion 2c of the lead wire retainer 2 having the taper recess 8a smaller than the width dimension of the taper portion 2c of the lead wire retainer 2 and having the lead wire 1 of the detector passed through the lead wire insertion portion 2b therein. Is inserted into the taper recess 8a of the fixing portion 8 so that the lead wire retainer 2 bends slightly and is larger than the outer diameter of the lead wire before insertion.
After inserting the lead wire insertion part 2b,
A lead wire fixing method for a detector, which is smaller than a diameter dimension and holds and fixes the lead wire 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP31573594A JP3473646B2 (en) | 1994-11-25 | 1994-11-25 | Detector lead wire fixing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP31573594A JP3473646B2 (en) | 1994-11-25 | 1994-11-25 | Detector lead wire fixing method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH08154363A JPH08154363A (en) | 1996-06-11 |
| JP3473646B2 true JP3473646B2 (en) | 2003-12-08 |
Family
ID=18068912
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP31573594A Expired - Fee Related JP3473646B2 (en) | 1994-11-25 | 1994-11-25 | Detector lead wire fixing method |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3473646B2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112202280B (en) * | 2020-09-25 | 2022-12-16 | 深圳市雅力士电机有限公司 | Electric linear push rod |
-
1994
- 1994-11-25 JP JP31573594A patent/JP3473646B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH08154363A (en) | 1996-06-11 |
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