JPS59142498U - Blower blade attachment device - Google Patents
Blower blade attachment deviceInfo
- Publication number
- JPS59142498U JPS59142498U JP3804083U JP3804083U JPS59142498U JP S59142498 U JPS59142498 U JP S59142498U JP 3804083 U JP3804083 U JP 3804083U JP 3804083 U JP3804083 U JP 3804083U JP S59142498 U JPS59142498 U JP S59142498U
- Authority
- JP
- Japan
- Prior art keywords
- engagement
- protrusion
- blower blade
- attachment device
- stop portion
- 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
Landscapes
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
図面は本考案を扇風機に適用した一実施例を示すもので
、第１図は扇風機の側面図、第２図は要 部の分解斜
視図、第３薗は送風羽根のボス部の背面図、第４図はボ
ス部の縦断面図、第５図乃至第７図は夫々取付手順を示
す縦断側面図である。
図中、６ａは駆動軸、７は送風羽根、１０及び１１は第
１及び第２の係合突部、１３はボス部、１４は軸挿通孔
、１５及び１６は第１及び第２の係合溝、１７は衝止部
、１８は第１の案内部、１８ａは傾斜面、１９は第２の
案内部、１９ａは傾斜面を示す。The drawings show an embodiment in which the present invention is applied to an electric fan. Figure 1 is a side view of the electric fan, Figure 2 is an exploded perspective view of the main parts, and Figure 3 is a rear view of the boss of the blower blade. FIG. 4 is a longitudinal sectional view of the boss portion, and FIGS. 5 to 7 are longitudinal sectional side views showing the installation procedure, respectively. In the figure, 6a is a drive shaft, 7 is a blower blade, 10 and 11 are first and second engaging protrusions, 13 is a boss part, 14 is a shaft insertion hole, and 15 and 16 are first and second engaging protrusions. 17 is a stop portion, 18 is a first guide portion, 18a is an inclined surface, 19 is a second guide portion, and 19a is an inclined surface.
Claims (1)
れ突出寸法が長短具なる第１及び第２の係合突部と、送
風羽根のボス部の端面部に軸挿通孔に連続するように前
記第１及び第２の係合突部に夫々対応して形成された第
１及び第２の係合溝と、前記ボス部の端面に長尺側の第
１の係合突部の回転半径域内に所定角度範囲で弧状に突
設された衝止部と、この衝止部の内周側のうち短尺側の
前記第２の係合突部の回転半径域内又は前記衝止部の形
成から残された角度領域内のうち前記第１の係合突部の
回転半径領域内に設けられ突端面が前記第２又は第１の
係合溝に連なる終端に向けて下降する傾斜面として形成
された案内部とを具備して成る送風羽根取付装置。a drive shaft, first and second engagement protrusions that are provided to protrude in the radial direction on the drive shaft and have long and short protruding dimensions; and an end surface of the boss portion of the blower blade that is continuous with the shaft insertion hole. First and second engagement grooves are formed corresponding to the first and second engagement protrusions, respectively, and the first engagement protrusion on the long side is formed on the end surface of the boss portion. A stop portion protruding in an arc shape within a predetermined angular range within a rotation radius area, and a second engaging protrusion on the short side of the inner circumferential side of the stop portion within the rotation radius area or of the stop portion. As an inclined surface provided within the rotational radius region of the first engagement protrusion within the angular region left after the formation, the protrusion surface descending toward the end connected to the second or first engagement groove. A blower blade attachment device comprising a formed guide portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3804083U JPS59142498U (en) | 1983-03-16 | 1983-03-16 | Blower blade attachment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3804083U JPS59142498U (en) | 1983-03-16 | 1983-03-16 | Blower blade attachment device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS59142498U true JPS59142498U (en) | 1984-09-22 |
Family
ID=30168719
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3804083U Pending JPS59142498U (en) | 1983-03-16 | 1983-03-16 | Blower blade attachment device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59142498U (en) |
-
1983
- 1983-03-16 JP JP3804083U patent/JPS59142498U/en active Pending
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