JPH033155U

JPH033155U -

Info

Publication number: JPH033155U
Application number: JP6409089U
Authority: JP
Priority date: 1989-06-01
Filing date: 1989-06-01
Publication date: 1991-01-14

Description

[Brief explanation of drawings]

第１図はこの考案の実施例によるフアン一体型
電動機の軸受構造の要部拡大断面図、第２図はク
ロスフローフアンの縦断面図、第３図は回転子の
側面図、第４図は第３図の−断面図、第５図
は軸受ケースの側面図、第６図は第５図の−
断面図、第７図は防振ゴムの側面図、第８図は第
７図の−断面図、第９図は第８図の矢視図
、第１０図は軸受構造の別の実施例を示す要部拡
大図、第１１図は第１０図の軸受構造を採用した
クロスフローフアンの縦断面図、第１２図は軸受
ケースの側面図、第１３図は第１２図のＡ−Ａ断
面図、第１４図は従来例を示す構造略図である。１……フアンロータ、３……電動機、４フレー
ム、５……回転子、６……固定子鉄心（固定子）
、１２……防振ゴム（防振部材）、２０……スラ
スト玉軸受（スラストベアリング）、２１……ラ
ジアル玉軸受（ラジアルベアリング）、２２，５
５……軸受ケース、３２……壁部、４０……グリ
ースカバー部、５０……アンギユラコンタクト玉
軸受（アンギユラベアリング）。 Fig. 1 is an enlarged cross-sectional view of the main parts of the bearing structure of a fan-integrated motor according to an embodiment of this invention, Fig. 2 is a vertical cross-sectional view of the cross flow fan, Fig. 3 is a side view of the rotor, and Fig. 4 is Figure 3 is a sectional view, Figure 5 is a side view of the bearing case, and Figure 6 is a side view of the bearing case.
7 is a side view of the anti-vibration rubber, FIG. 8 is a cross-sectional view of FIG. 7, FIG. 9 is a view taken in the direction of the arrow in FIG. 8, and FIG. 11 is a longitudinal sectional view of a cross flow fan adopting the bearing structure shown in FIG. 10, FIG. 12 is a side view of the bearing case, and FIG. 13 is a sectional view taken along line A-A in FIG. 12. , FIG. 14 is a schematic structural diagram showing a conventional example. 1...Fan rotor, 3...Electric motor, 4 frame, 5...Rotor, 6...Stator core (stator)
, 12... Anti-vibration rubber (vibration isolation member), 20... Thrust ball bearing (thrust bearing), 21... Radial ball bearing (radial bearing), 22, 5
5... Bearing case, 32... Wall portion, 40... Grease cover portion, 50... Angular contact ball bearing (angular bearing).

Claims

[Claims for Utility Model Registration] 1. The stator 6 of the electric motor 3 is fixed to the frame 4,
A rotor 5 is provided with a gap in the axial direction from the stator 6, a cross-flow type fan rotor 1 is connected to the end surface of the rotor 5 on the side opposite to the stator, and a shaft 10 extends from one end of the fan rotor 1. is a fan-integrated electric motor which is pivotally supported on the stator 6, and a thrust bearing 20 and a radial bearing 21 for supporting the shaft 10 are installed around the shaft 10 in order from one end side of the fan rotor 1. one race 25 of the thrust bearing 20 is placed in contact with the rotor 5, the other race 27 of the thrust bearing 20 is supported by a bearing case 22 surrounding the radial bearing 21, and this bearing case A bearing structure for a fan-integrated motor, characterized in that a vibration isolating member 12 that contacts the outer circumference of the bearing case 22 is interposed between the stator 22 and the stator 6. 2. The fan rotor side end of the outer circumference of the bearing case 22 has a gap between it and the thrust bearing 20, and a gap with the rotor to prevent the grease of the thrust bearing rig 20 from scattering. A bearing structure for a fan-integrated electric motor according to claim 1, characterized in that the bearing structure is formed to be narrow. 3 Fix the stator 6 of the electric motor 3 to the frame 4,
A rotor 5 is provided with a gap in the axial direction from the stator 6, a cross-flow type fan rotor 1 is connected to the end surface of the rotor 5 on the side opposite to the stator, and a shaft 10 extends from one end of the fan rotor 1. The shaft 10 is supported by an angular bearing 50 that can support both thrust force and radial force. A bearing structure for a fan-integrated motor, characterized in that a vibration isolating member 12 that contacts the outer circumference of the bearing case 55 is interposed between the bearing case 55 surrounding the stator 6 and the stator 6.