JPH03120672U - - Google Patents
Info
- Publication number
- JPH03120672U JPH03120672U JP2741590U JP2741590U JPH03120672U JP H03120672 U JPH03120672 U JP H03120672U JP 2741590 U JP2741590 U JP 2741590U JP 2741590 U JP2741590 U JP 2741590U JP H03120672 U JPH03120672 U JP H03120672U
- Authority
- JP
- Japan
- Prior art keywords
- core
- laminated
- iron core
- squirrel
- laminated core
- 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.)
- Pending
Links
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 4
- 238000004512 die casting Methods 0.000 claims description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims 1
- 229910052782 aluminium Inorganic materials 0.000 claims 1
- 241000555745 Sciuridae Species 0.000 description 3
- 230000002093 peripheral effect Effects 0.000 description 1
Landscapes
- Induction Machinery (AREA)
- Iron Core Of Rotating Electric Machines (AREA)
- Manufacture Of Motors, Generators (AREA)
Description
第１図は、本考案に従う実施例のかご形ロータ
の積層鉄心部分の断面図。第２図は、第１図にお
ける積層鉄心のダイカスト時の断面図。第３図は
、第２図におけるシヤフトを挿通したところのか
ご形ロータの断面図。第４図は、従来のかご形ロ
ータの積層鉄心であるところのダイカスト時の断
面図。
１……積層鉄心、１ａ……端部鉄心コア群、１
ｂ……鉄心外周面、１ｃ……鉄心端面、１ｄ……
中央鉄心コア群、３……短絡環、４……軸穴内周
面、５……軸穴内周面、６……軸穴内周面、７…
…間隙、８……シヤフト。
FIG. 1 is a sectional view of a laminated core portion of a squirrel cage rotor according to an embodiment of the present invention. FIG. 2 is a sectional view of the laminated core in FIG. 1 during die-casting. FIG. 3 is a sectional view of the squirrel cage rotor through which the shaft in FIG. 2 is inserted. FIG. 4 is a cross-sectional view of the laminated core of a conventional squirrel cage rotor during die casting. 1... Laminated core, 1a... End core group, 1
b... Core outer peripheral surface, 1c... Core end face, 1d...
Central iron core group, 3... Short-circuit ring, 4... Inner circumferential surface of shaft hole, 5... Inner circumferential surface of shaft hole, 6... Inner circumferential surface of shaft hole, 7...
...Gap, 8...Shaft.
Claims (1)
、該積層鉄心の軸穴にシヤフトを嵌合圧入又は挿
通固着するかご形ロータにおいて、 前記積層鉄心の軸方向両端部に位置する鉄心コ
アの軸穴の内径を前記積層鉄心の軸方向中間部に
位置する鉄心コアの軸穴の内径よりも大きくした
ことを特徴とするかご形ロータ。[Scope of Claim for Utility Model Registration] A squirrel-cage rotor in which a laminated core is integrally molded by aluminum die-casting, and a shaft is press-fitted or inserted into an axial hole of the laminated core and is fixed thereto, the rotor being located at both axial ends of the laminated core. A squirrel-cage rotor, characterized in that the inner diameter of the shaft hole of the iron core is larger than the inner diameter of the shaft hole of the iron core located at an axially intermediate portion of the laminated iron core.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2741590U JPH03120672U (en) | 1990-03-17 | 1990-03-17 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2741590U JPH03120672U (en) | 1990-03-17 | 1990-03-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH03120672U true JPH03120672U (en) | 1991-12-11 |
Family
ID=31530268
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2741590U Pending JPH03120672U (en) | 1990-03-17 | 1990-03-17 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH03120672U (en) |
-
1990
- 1990-03-17 JP JP2741590U patent/JPH03120672U/ja active Pending