JPS6211174Y2

JPS6211174Y2 -

Info

Publication number: JPS6211174Y2
Application number: JP14283478U
Authority: JP
Priority date: 1978-10-18
Filing date: 1978-10-18
Publication date: 1987-03-16
Also published as: JPS5559549U

Description

【考案の詳細な説明】本考案は時計用ステツプモータのコイルボビン
に関し、詳しくはステツプモータのステータに装
着したブツシユを回転軸として、ボビンを回転す
ることにより、コイルを巻線する構造のコイルボ
ビンに関するものである。[Detailed Description of the Invention] The present invention relates to a coil bobbin for a step motor for watches, and more specifically, to a coil bobbin having a structure in which a coil is wound by rotating the bobbin around a bush attached to the stator of the step motor as a rotation axis. It is.

本考案の目的はステータの地板への位置決め取
付を容易にし、またコイルボビンの回転止めを行
ないコイルの断線を防止することにある。 The purpose of the present invention is to facilitate the positioning and attachment of the stator to the base plate, and to prevent the coil bobbin from rotating by preventing the coil from breaking.

この目的を達成するために、ステータのボビン
係着部に装着するブツシユ本体部の一端に、ステ
ータの取付腕と接面するブツシユ取付片を屈曲連
続形成し、またステータの取付腕に少なくとも２
個の長穴と係止部を設け、ボビンのツバ部には係
合部を設けて該係合部とステータの係止部とを係
合してコイルボビンの回転防止を行なう。さらに
地板に配設した支柱にボビンのツバ部を当接する
と共に、ステータの長突にてステータの位置決め
を行なうものである。 In order to achieve this purpose, a bush mounting piece that comes into contact with the stator mounting arm is continuously bent at one end of the bush main body that is attached to the bobbin attachment part of the stator, and at least two bush mounting pieces are formed on the stator mounting arm.
The coil bobbin is provided with an elongated hole and a locking portion, and an engaging portion is provided in the brim portion of the bobbin, and the locking portion of the stator is engaged with the locking portion to prevent rotation of the coil bobbin. Further, the collar of the bobbin is brought into contact with a support provided on the main plate, and the stator is positioned by the long protrusions of the stator.

以下図面に基づいて本考案の好適な実施例を詳
細に説明する。 Hereinafter, preferred embodiments of the present invention will be described in detail based on the drawings.

第１図ないし第４図は、ステータにブツシユお
よびボビンを取付けた状態図、第５，６図は地板
にステータとブツシユを取付けた図である。 1 to 4 are state diagrams in which a bush and a bobbin are attached to a stator, and FIGS. 5 and 6 are diagrams in which a stator and a bush are attached to a main plate.

ボビン１０は巻線部１４を有し、その両端にツ
バ部１２，１３を設ける。巻線部１４の中心部軸
方向に円形中空部１１を有し、さらにその円形中
空部１１に通じた径方向の溝部１５を設けてい
る。一方のツバ部１２に切設された溝部１５は、
後述するステータの係止部を係合する係合部１２
ａを兼ね備えている。 The bobbin 10 has a winding portion 14, and collar portions 12 and 13 are provided at both ends thereof. The winding portion 14 has a circular hollow portion 11 in the axial direction at the center thereof, and is further provided with a radial groove portion 15 communicating with the circular hollow portion 11. The groove portion 15 cut into one of the brim portions 12 is
An engaging portion 12 that engages a locking portion of a stator, which will be described later.
It has a.

ステータ２０は時計用ステツプモータに用いる
もので、ボビン係着部２１の両端が屈曲連続する
矩形の環状をなし、ロータの挿入空間を有してい
る。ボビン係着部２１の一端から屈曲連続する部
分を取付腕２２とし、この取付腕２２に長穴２
３，２４と係止部２５が配設されている。係止部
２５は、前述したボビン１０の係合部１２ａが係
合して回転止めをするもので、内向きに突設され
ている。 The stator 20 is used in a timepiece step motor, and has a rectangular ring shape with both ends of a bobbin engaging portion 21 continuously bent, and has a rotor insertion space. A portion continuously bent from one end of the bobbin attachment portion 21 is a mounting arm 22, and a long hole 2 is formed in this mounting arm 22.
3 and 24 and a locking portion 25 are provided. The locking portion 25 engages with the aforementioned engaging portion 12a of the bobbin 10 to stop rotation, and is provided to protrude inward.

ブツシユ３０は、円柱形のブツシユ本体部３１
を有する。そのブツシユ本体部３１には中心部に
向けてボビン係着部２１と同じ形状の切欠き部３
０ａを設けてあり、そのブツシユ本体部３１から
は、ステータの取付腕２２に接面するブツシユ取
付片３３を屈曲形成している。このブツシユ取付
片３３にはステータの長穴２３，２４に合致する
取付穴３４，３５が穿設されている。 The bush 30 has a cylindrical bush main body 31.
has. The bush main body part 31 has a notch part 3 having the same shape as the bobbin engaging part 21 toward the center.
0a, and a bushing mounting piece 33 is bent from the bushing main body 31 to be in contact with the mounting arm 22 of the stator. The bush mounting piece 33 has mounting holes 34 and 35 that match the long holes 23 and 24 of the stator.

地板４０は、ロータを含む時計輪列を軸支し、
ステータ２０固定用の取付台４１とボビン１０が
当接して位置決めする支柱４２，４３が穿設さ
れ、該取付台４１にはネジ穴４１ａ，４１ｂが設
けられている。 The main plate 40 pivotally supports a clock train including a rotor,
A mounting base 41 for fixing the stator 20 and pillars 42 and 43 for positioning the bobbin 10 in contact with each other are provided, and the mounting base 41 is provided with screw holes 41a and 41b.

次にステータ２０およびボビン１０の取付けに
ついて説明する。 Next, attachment of the stator 20 and bobbin 10 will be explained.

第１図に示すように、ボビン１０の円形中空部
１１にブツシユ本体部３１を挿入係合し、係合部
１２ａとブツシユ本体部３１の切欠き部３０ａを
合わせてボビン係着部２１に嵌め込む（第２図参
照）。次に第３図のようにブツシユ３０およびボ
ビン１０をボビン係着部２１に沿つて図中右方向
に移動させ、ここでブツシユ本体部３１を回転軸
としてボビン１０を回転させて巻線しコイルを形
成する。その後、第５図のようにブツシユ３０お
よびボビン１０の元の位置に戻して一方のツバ部
１２の係合部１２ａにステータ２０の係止部２５
を係合させる。さらに他方のツバ部１３の側面に
地板４０の支柱４２，４３を当接させて′方向
のステータ２０の位置決めを行う。次に地板４０
の取付台４１のネジ穴４１ａ，４１ｂにブツシユ
取付片３３の取付穴３４，３５を夫々係合させ、
ステータ取付腕２２の長穴２３，２４を治具等を
用いて′方向の位置決めを行い、ステータ２０
とブツシユ１０をビス４４，４５で締め付けて地
板４０に固定させる（第６図参照）。この場合、
ツバ部１２の係合部１２ａは第４図に示すような
溝部１５を有するボビン１０においては、溝部１
５を兼用できるので特に有効となる。 As shown in FIG. 1, the bushing main body 31 is inserted into and engaged with the circular hollow part 11 of the bobbin 10, and the engaging part 12a and the notch 30a of the bushing main body 31 are aligned and fitted into the bobbin engaging part 21. (See Figure 2). Next, as shown in FIG. 3, the bush 30 and bobbin 10 are moved to the right in the figure along the bobbin attachment part 21, and the bobbin 10 is rotated using the bush body part 31 as the rotation axis to wind the coil. form. Thereafter, the bush 30 and bobbin 10 are returned to their original positions as shown in FIG.
engage. Furthermore, the pillars 42 and 43 of the base plate 40 are brought into contact with the side surface of the other collar portion 13 to position the stator 20 in the ' direction. Next, the main plate 40
The mounting holes 34 and 35 of the bush mounting piece 33 are engaged with the screw holes 41a and 41b of the mounting base 41, respectively,
Position the elongated holes 23 and 24 of the stator mounting arm 22 in the ' direction using a jig or the like, and then
Then, the bush 10 is fixed to the base plate 40 by tightening the screws 44 and 45 (see Fig. 6). in this case,
In a bobbin 10 having a groove 15 as shown in FIG.
This is particularly effective since it can be used for both purposes.

なお、上記実施例ではボビンのツバ部１２に設
ける係止部１２ａを溝部１５と兼用したが、ツバ
部１２に別途係止部を設けてもよいこと勿論であ
る。 In the above embodiment, the locking portion 12a provided on the collar portion 12 of the bobbin also serves as the groove portion 15, but it goes without saying that the collar portion 12 may be provided with a separate locking portion.

本考案によれば、ボビンとともにステータの
′方向の位置決めが地板に突設した支柱にて簡
単にでき、また′方向の位置決めも一方向のみ
を考えれば良く、作業性の向上が可能となる。ま
たボビンの回転が係止できるので、コイルの断線
も防止できる。このように本考案はボビンを回転
することによつて巻線する構造のコイルボビンに
おいて特に有効となる。 According to the present invention, the positioning of the stator along with the bobbin in the ``direction'' can be easily performed using a support provided protruding from the base plate, and the positioning in the ``direction'' only needs to be considered in one direction, thereby making it possible to improve work efficiency. Furthermore, since the rotation of the bobbin can be locked, disconnection of the coil can also be prevented. As described above, the present invention is particularly effective in a coil bobbin having a structure in which the wire is wound by rotating the bobbin.

[Brief explanation of the drawing]

第１図は本考案の実施例に係るステータとブツ
シユとボビンの分解斜視図。第２図は第１図の組
立平面図。第３図は第２図のブツシユとボビンを
移動させた平面図。第４図は第２図の−断面
図。第５図はステータを地板に取付けた平面図。
第６図は第５図の−断面図。１０……ボビン、１１……中空部、１２，１３
……ツバ部、１２ａ……係合部、１４……巻線
部、１５……溝部、２０……ステータ、２１……
ボビン係着部、２２……取付腕、２３，２４……
取付穴、２５……係止部、３０……ブツシユ、３
０ａ……切欠き部、３１……ブツシユ本体部、３
３……ブツシユ取付片、３４，３５……取付穴、
４０……地板、４１……取付台、４２，４３……
支柱。 FIG. 1 is an exploded perspective view of a stator, bush, and bobbin according to an embodiment of the present invention. FIG. 2 is an assembled plan view of FIG. 1. Figure 3 is a plan view of the button and bobbin in Figure 2 moved. FIG. 4 is a cross-sectional view taken from FIG. Figure 5 is a plan view of the stator attached to the main plate.
FIG. 6 is a cross-sectional view taken from FIG. 10... Bobbin, 11... Hollow part, 12, 13
...Brim part, 12a...Engaging part, 14...Winding part, 15...Groove part, 20...Stator, 21...
Bobbin attachment part, 22...Mounting arm, 23, 24...
Mounting hole, 25...Locking part, 30...Button, 3
0a... Notch part, 31... Button body part, 3
3...Button mounting piece, 34, 35...Mounting hole,
40...Main plate, 41...Mounting stand, 42, 43...
Prop.

Claims

[Claims for Utility Model Registration] A rectangular stator with continuous bending mounting arms provided at both ends of the bobbin fastening part, and a locking part provided on the mounting arms; A bush that is provided with an engaging notch and a bush mounting piece that is bent continuously from one end of the bush main body and comes into contact with the mounting arm, and a collar is provided at both ends of the winding part, and the center part is provided with a flange part in the axial direction. A circular hollow portion rotatably engaged with the bush main body is provided, and a radial groove portion communicating with the hollow portion is provided, and an engaging portion that engages with the locking portion is cut in one of the collar portions. a bobbin that is provided with a mounting base that holds the stator, and a base plate that protrudes with a support that abuts on another collar portion of the bobbin for positioning, and is provided on the mounting arm of the stator and the bush mounting piece. A coil bobbin for a step motor for a watch, characterized in that its stator and bushings are fixed to a mounting base of the base plate through mounting holes, and at the same time, the bobbin is brought into contact with the pillars.