JPS6177653U - - Google Patents

Description

【図面の簡単な説明】[Brief explanation of drawings]

第１図は本考案の一実施例を示す要部拡大正面
図、第２図は同上の分解斜視図、第３図は同上の
組立後の縦断面図、第４図は従来例を示す部分正
面図、第５図は他の従来例を示す部分正面図であ
る。 １はコイルブロツク、２はヨーク、３はロータ
、４は凹所、５はポンチ、１０はケーシング、２
１はヨーク筒、２２はヨーク体、２３はヨーク板
、２５は係止爪、２６は係止溝、２８は磁極片、
３４は回転軸、３５は回転子板である。 Fig. 1 is an enlarged front view of essential parts showing an embodiment of the present invention, Fig. 2 is an exploded perspective view of the same, Fig. 3 is a longitudinal sectional view of the same after assembly, and Fig. 4 is a portion showing a conventional example. FIG. 5 is a partial front view showing another conventional example. 1 is a coil block, 2 is a yoke, 3 is a rotor, 4 is a recess, 5 is a punch, 10 is a casing, 2
1 is a yoke cylinder, 22 is a yoke body, 23 is a yoke plate, 25 is a locking claw, 26 is a locking groove, 28 is a magnetic pole piece,
34 is a rotating shaft, and 35 is a rotor plate.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 箱状に形成されたケーシング内にステータコイ
ルが保持されたコイルブロツクと、ステータコイ
ルにより発生する磁気の磁路を形成するとともに
ステータコイルの軸方向の一端面に周方向に沿つ
て複数の磁極を備えたヨークと、ヨークの磁極に
略平行に配設され複数の磁極が周方向に沿つて着
磁された回転子板に回転軸が貫通するロータとを
備え、ヨークはステータコイル内に挿通されるヨ
ーク筒と、ヨーク筒の一端部に磁気結合されケー
シングの外周に沿う略コ字形に形成されたヨーク
体と、ヨーク筒の他端部に磁気結合されヨーク体
の両脚片間に跨がる形に配設されるヨーク板とか
ら構成され、ヨーク体の両脚片の先端とヨーク板
の側縁とのうちのいずれか一方には複数の係止爪
が突設され、いずれか他方には係止爪に対応する
位置に複数の係止溝が形成され、係止爪は各係止
溝の巾方向の両端部に一対形成されるとともに、
各係止爪の基部にはそれぞれ係止溝の巾方向の周
面に向かつて開放された凹所が形成され、係止爪
が係止溝の巾方向の外側に向かつてかしめられる
ことによりヨーク体とヨーク板とがケーシングを
保持した形で一体に結合されて成る小型モータ。 A coil block in which a stator coil is held in a box-shaped casing forms a magnetic path for the magnetism generated by the stator coil, and a plurality of magnetic poles are arranged along the circumferential direction on one end surface in the axial direction of the stator coil. A rotor having a rotating shaft passing through a rotor plate which is arranged substantially parallel to the magnetic poles of the yoke and has a plurality of magnetic poles magnetized along the circumferential direction, and the yoke is inserted into a stator coil. a yoke body that is magnetically coupled to one end of the yoke tube and formed in a substantially U-shape along the outer periphery of the casing, and a yoke body that is magnetically coupled to the other end of the yoke tube and straddles between both legs of the yoke body. A plurality of locking claws are provided on one of the tips of both legs of the yoke body and a side edge of the yoke plate, and a plurality of locking claws are provided on one of the ends of both legs of the yoke body and a side edge of the yoke plate. A plurality of locking grooves are formed at positions corresponding to the locking pawls, and a pair of locking pawls are formed at both ends in the width direction of each locking groove,
At the base of each locking pawl, a recess is formed that is open toward the circumferential surface in the width direction of the locking groove, and when the locking pawl is swaged outward in the width direction of the locking groove, the yoke A small motor consisting of a body and a yoke plate that are joined together while holding a casing.