JPH031647U

JPH031647U -

Info

Publication number: JPH031647U
Application number: JP5829789U
Authority: JP
Priority date: 1989-05-20
Filing date: 1989-05-20
Publication date: 1991-01-09

Description

【図面の簡単な説明】第１図は本考案の実施例を示す側断面図で第３
図のＡ−Ａ線に沿つている。第２図は一部の拡大
断面図、第３図は第１図の実施例における端板を
示す正面図、第４図は扇形鉄板を示す正面図、第
５図は連結孔とかしめ片を示す拡大図、第６図は
他の実施例を示す側断面図、第７図は第６図の実
施例における端板の正面図、第８図はさらに他の
実施例を示す側断面図、第９図はその一部拡大断
面図、第１０図は第８図の実施例における端板の
正面図、第１１図は第８図の実施例における扇形
鉄板の正面図、第１２図は扇形鉄板の他の実施例
を示す正面図、第１３図は従来例の回転界磁形モ
ータを示す上半部断面図、第１４図はその回転子
を示す一部を切り欠いだ上半部正面図、第１５図
は他の従来例を示す回転子の上半部断面図、第１
６図は第１５図におけるＢ−Ｂ線に沿う積層鉄板
の断面図である。１は端板、２は回転軸、３は軸孔、４は連結部
、５は扇形部、６は永久磁石挿入孔、７は扇形鉄
板、８は磁極片、９は連結孔、１０はかしめ片、
１１は連結ピン、１２は永久磁石、１３は磁気間
隙、１４は流入孔、１５は非磁性材、１６は溝、
２１は電機子巻線、２２は固定子鉄心、２３は磁
極片、２４は永久磁石、２５は支持板、２６はか
しめピン、２７は回転軸、２８は磁気的空隙、２
９は非磁性ボス、３０は積層鉄板、３１はかしめ
突起、３２は溶接部である。[Brief Description of the Drawings] Figure 1 is a side sectional view showing an embodiment of the present invention.
It is along line A-A in the figure. Fig. 2 is an enlarged cross-sectional view of a part, Fig. 3 is a front view showing the end plate in the embodiment shown in Fig. 1, Fig. 4 is a front view showing the fan-shaped iron plate, and Fig. 5 shows the connecting holes and caulking pieces. 6 is a side sectional view showing another embodiment, FIG. 7 is a front view of the end plate in the embodiment shown in FIG. 6, and FIG. 8 is a side sectional view showing still another embodiment. Fig. 9 is a partially enlarged cross-sectional view, Fig. 10 is a front view of the end plate in the embodiment shown in Fig. 8, Fig. 11 is a front view of the fan-shaped iron plate in the embodiment shown in Fig. 8, and Fig. 12 is a sector-shaped iron plate. A front view showing another example of the iron plate, FIG. 13 is a sectional view of the upper half of a conventional rotating field type motor, and FIG. 14 is a front view of the upper half showing the rotor with a portion cut away. 15 is a sectional view of the upper half of the rotor showing another conventional example, and FIG.
FIG. 6 is a cross-sectional view of the laminated iron plate taken along line B-B in FIG. 15. 1 is an end plate, 2 is a rotating shaft, 3 is a shaft hole, 4 is a connecting portion, 5 is a fan-shaped portion, 6 is a permanent magnet insertion hole, 7 is a fan-shaped iron plate, 8 is a magnetic pole piece, 9 is a connecting hole, 10 is caulking piece,
11 is a connecting pin, 12 is a permanent magnet, 13 is a magnetic gap, 14 is an inflow hole, 15 is a non-magnetic material, 16 is a groove,
21 is an armature winding, 22 is a stator core, 23 is a magnetic pole piece, 24 is a permanent magnet, 25 is a support plate, 26 is a caulking pin, 27 is a rotating shaft, 28 is a magnetic air gap, 2
9 is a non-magnetic boss, 30 is a laminated iron plate, 31 is a caulking projection, and 32 is a welded portion.

Claims

[Scope of Claim for Utility Model Registration] 1. Permanent magnets 12 of a number corresponding to the number of poles and magnetic pole pieces 8 formed by laminating fan-shaped iron plates 7 formed by punching electromagnetic iron plates are arranged alternately in the circumferential direction. An end plate 1 formed of several punched plates and fitted with a rotating shaft is provided on both sides, and a connecting hole 9 passing through the end plate and the fan-shaped iron plate is cut and raised in the axial direction at the peripheral edge of the connecting hole. A permanent magnet field type rotor comprising a caulking piece 10 whose tip slightly protrudes into a connecting hole, and a connecting pin 11 that is press-fitted into the connecting hole and engages with the tip of the caulking piece. 2. The end plate has a shaft hole 3 into which the rotating shaft is fitted, a connecting portion 4 surrounding the shaft hole, a fan-shaped portion 5 corresponding to the number of poles on the outer periphery of the connecting portion, and a permanent magnet insertion hole 6 between the fan-shaped portions.
A permanent magnet field rotor according to claim 1, which is formed by stamping and has permanent magnets 12 inserted across both end plates. 3. A utility model in which the end plate is punched and formed with a shaft hole 3 into which a rotating shaft is fitted, a connecting hole 9 and a permanent magnet insertion hole 6, and a permanent magnet 12 is inserted between the end plates on both sides. A permanent magnet field rotor according to claim 1. 4 Permanent magnets 12 of a number corresponding to the number of poles and magnetic pole pieces 8 made of laminated fan-shaped iron plates 7 formed by punching electromagnetic iron plates are arranged alternately in the circumferential direction, and several punched plates are placed on both sides of the magnetic pole pieces 8. a shaft hole 3 formed by a shaft hole 3 into which a rotating shaft is fitted;
A connecting part 4 surrounding this shaft hole, an end plate 1 having a fan-shaped part 5 matching the magnetic pole pieces on the outer periphery of the connecting part and a permanent magnet insertion hole 6 between the fan-shaped parts, and the fan-shaped part of the end plate and the fan-shape A connecting hole 9 penetrating the iron plate, and a caulking piece 10 cut and raised in the axial direction on the peripheral edge of the connecting hole to connect the laminated plates to each other are provided, and a die-casting piece is filled in the connecting hole and engaged with the tip of the caulking piece. A permanent magnet field type rotor comprising a non-magnetic material 15. 5 An inlet hole 14 is provided in the connecting portion of the end plate, and a non-magnetic material 15 die-cast is provided in the magnetic gap 13 between the connecting hole 9 and the rotating shaft inside the fan-shaped iron plate, as set forth in claim 3. Permanent magnet field type rotor.