JPH0314941U - - Google Patents
Info
- Publication number
- JPH0314941U JPH0314941U JP7586589U JP7586589U JPH0314941U JP H0314941 U JPH0314941 U JP H0314941U JP 7586589 U JP7586589 U JP 7586589U JP 7586589 U JP7586589 U JP 7586589U JP H0314941 U JPH0314941 U JP H0314941U
- Authority
- JP
- Japan
- Prior art keywords
- case
- output shaft
- electric motor
- insertion hole
- magnetic fluid
- 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
- 239000000428 dust Substances 0.000 claims description 5
- 239000011553 magnetic fluid Substances 0.000 claims description 5
- 230000002265 prevention Effects 0.000 claims description 5
- 230000037431 insertion Effects 0.000 claims description 4
- 238000003780 insertion Methods 0.000 claims description 4
- 238000007789 sealing Methods 0.000 claims description 4
- 239000012530 fluid Substances 0.000 description 1
Landscapes
- Motor Or Generator Frames (AREA)
Description
第１図は、本考案の一実施例を示す発塵防止型
電動機の要部断面図、第２図は、上記第１図中の
要部を更に拡大して示した断面図、第３図は、従
来の発塵防止型電動機の一例を示す上半部を断面
で表わした側面図、第４図は、磁性流体を用いた
流体シール機構の拡大断面図、第５図は、上記第
３図の発塵防止型電動機の正面図、第６図は、上
記第３図の発塵防止型電動機の斜視図である。
１……ケース、２……電動機部、３……シール
部材、６……出力軸挿通孔、１０……出力軸、１
１ａ，１１ｂ……磁性流体、１９……永久磁石、
２０ａ，２０ｂ……継鉄、２１……支持部、２２
……密閉部材。
Fig. 1 is a cross-sectional view of a main part of a dust generation prevention electric motor showing an embodiment of the present invention, Fig. 2 is a cross-sectional view showing a further enlarged main part of Fig. 1, and Fig. 3. FIG. 4 is an enlarged sectional view of a fluid seal mechanism using magnetic fluid, and FIG. FIG. 6 is a front view of the dust prevention type electric motor shown in the figure, and FIG. 6 is a perspective view of the dust generation prevention type electric motor shown in FIG. 3. DESCRIPTION OF SYMBOLS 1... Case, 2... Electric motor part, 3... Seal member, 6... Output shaft insertion hole, 10... Output shaft, 1
1a, 11b...Magnetic fluid, 19...Permanent magnet,
20a, 20b...Yoke, 21...Support part, 22
... Sealing member.
Claims (1)
スに格納された電動機部とを有し、上記出力軸挿
通孔におけるケースと電動機部出力軸との間の間
隙を磁性流体によりシールする発塵防止電動機に
おいて、 上記磁性流体をシールするためのシール部材を
、上記ケースの出力軸挿通孔に着脱自在に取り付
ける取付機構を具備したことを特徴とする発塵防
止型電動機。 (2) 上記取付機構は、ケースに対してねじ込み
可能であつて、上記シール部材を支持する支持部
と、シール部材とケースとの間を密閉するための
密閉部材とを有する請求項１記載の発塵防止型電
動機。[Claims for Utility Model Registration] (1) A case having an output shaft insertion hole and a motor section housed in the case, and a gap between the case and the output shaft of the motor section in the output shaft insertion hole. A dust generation prevention electric motor that seals the magnetic fluid with a magnetic fluid, characterized in that the dust generation prevention type is equipped with a mounting mechanism for removably attaching a sealing member for sealing the magnetic fluid to the output shaft insertion hole of the case. Electric motor. (2) The mounting mechanism according to claim 1, which is screwable into the case and includes a support part that supports the seal member and a sealing member that seals between the seal member and the case. Dust-proof electric motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7586589U JPH0314941U (en) | 1989-06-28 | 1989-06-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7586589U JPH0314941U (en) | 1989-06-28 | 1989-06-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0314941U true JPH0314941U (en) | 1991-02-14 |
Family
ID=31616823
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7586589U Pending JPH0314941U (en) | 1989-06-28 | 1989-06-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0314941U (en) |
-
1989
- 1989-06-28 JP JP7586589U patent/JPH0314941U/ja active Pending
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