JPS63116256U - - Google Patents
Info
- Publication number
- JPS63116256U JPS63116256U JP10385886U JP10385886U JPS63116256U JP S63116256 U JPS63116256 U JP S63116256U JP 10385886 U JP10385886 U JP 10385886U JP 10385886 U JP10385886 U JP 10385886U JP S63116256 U JPS63116256 U JP S63116256U
- Authority
- JP
- Japan
- Prior art keywords
- stator
- peripheral wall
- casing body
- cover
- ventilation holes
- 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.)
- Granted
Links
- 238000009423 ventilation Methods 0.000 claims description 6
- 238000007789 sealing Methods 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims 5
- 230000003014 reinforcing effect Effects 0.000 claims 1
- 238000001816 cooling Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
Description
第１図は本考案の一実施例の構成を示す半断面
図、第２図は従来の電動デイスクグラインダの構
成を示す半断面図、第３図は第２図のＡ―Ａ線に
沿う矢視断面図である。
５ａ……ステータ、５ｃ……ロータ、６……回
転軸、８，９……軸受、１０ａ……冷却フアン、
１１……砥石、２１……ケーシング本体、２１ａ
，２３ｅ……通風孔、２１ｂ……補強リブ、２２
……上部エンドカバ（上部カバ）、２２ａ……防
塵カバ（第１の筒状部材）、２２ｂ，２３ｄ……
スリツト、２３……下部エンドカバ（下部カバ）
、２３ａ……防塵カバ（第２の筒状部材）、２４
，２５……ゴムパツキン（密封部材）。
FIG. 1 is a half-sectional view showing the configuration of an embodiment of the present invention, FIG. 2 is a half-sectional view showing the configuration of a conventional electric disc grinder, and FIG. 3 is an arrow taken along line A--A in FIG. FIG. 5a... Stator, 5c... Rotor, 6... Rotating shaft, 8, 9... Bearing, 10a... Cooling fan,
11...Whetstone, 21...Casing body, 21a
, 23e... Ventilation hole, 21b... Reinforcement rib, 22
... Upper end cover (upper cover), 22a ... Dust-proof cover (first cylindrical member), 22b, 23d ...
Slit, 23...Lower end cover (lower cover)
, 23a...dust-proof cover (second cylindrical member), 24
, 25...Rubber gasket (sealing member).
Claims (1)
れたケーシング本体、該ケーシング本体の上部に
設けられた上部カバおよび前記ケーシング本体の
下部に設けられ複数の通風孔が形成された下部カ
バからなるケーシングと、補強リブを介して前記
ケーシング本体の内周壁に固定されたステータと
、該ステータ内で回転駆動されるロータと、該ロ
ータの回転軸を前記上部カバ及び前記下部カバに
回動自在に支持する軸受と、前記回転軸に直結さ
れたフアンと、前記回転軸に直結された砥石とを
具備してなる電動デイスクグラインダにおいて、 (b) 前記上部カバの内方に突出形成され、その
周壁上方に前記ケーシング本体の通風孔と対向し
ない微少幅の複数個のスリツトが形成され、その
下端部が前記ステータの上端部に密封部材を介し
て固定された第１の筒状部材と、 (c) 前記下部カバの内方に突出形成され、その
周壁最下方の、下部カバの通風孔と対向しない部
分に複数個のスリツトが形成され、その上端部が
前記ステータの下端部に密封部材を介して固定さ
れた第２の筒状部材とを具備し、 (d) 前記第１の筒状部材の外周壁、前記ステー
タの外周壁、前記第２の筒状部材の外周壁および
前記ケーシング本体の内周壁とが成す空間と、前
記ステータと前記ロータとの間隙とを通風路とし
たことを特徴とする電動デイスクグラインダ。[Claims for Utility Model Registration] (a) A casing body in which a plurality of ventilation holes are formed in the circumferential direction above the peripheral wall, an upper cover provided on the upper part of the casing body, and a plurality of ventilation holes provided in the lower part of the casing body. a casing consisting of a lower cover in which ventilation holes are formed; a stator fixed to the inner circumferential wall of the casing body through reinforcing ribs; a rotor that is rotationally driven within the stator; In an electric disc grinder comprising a cover, a bearing rotatably supported on the lower cover, a fan directly connected to the rotating shaft, and a grindstone directly connected to the rotating shaft, (b) the upper cover A plurality of slits with a very small width are formed on the upper side of the peripheral wall of the stator so as to protrude inward from the stator, and the lower end portions of the slits are fixed to the upper end portion of the stator via a sealing member. a first cylindrical member; (c) a plurality of slits are formed to protrude inward of the lower cover, and are formed at the lowermost portion of the peripheral wall thereof, not facing the ventilation holes of the lower cover; a second cylindrical member fixed to the lower end of the stator via a sealing member; (d) an outer peripheral wall of the first cylindrical member, an outer peripheral wall of the stator, and the second cylinder; An electric disc grinder characterized in that a space formed by an outer circumferential wall of the shaped member and an inner circumferential wall of the casing body and a gap between the stator and the rotor serve as a ventilation passage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10385886U JPH0540925Y2 (en) | 1986-07-07 | 1986-07-07 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10385886U JPH0540925Y2 (en) | 1986-07-07 | 1986-07-07 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63116256U true JPS63116256U (en) | 1988-07-27 |
| JPH0540925Y2 JPH0540925Y2 (en) | 1993-10-18 |
Family
ID=30976811
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10385886U Expired - Lifetime JPH0540925Y2 (en) | 1986-07-07 | 1986-07-07 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0540925Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2014087926A (en) * | 2007-03-21 | 2014-05-15 | Oy Kwh Mirka Ab | Compact electrically-driven grinder |
-
1986
- 1986-07-07 JP JP10385886U patent/JPH0540925Y2/ja not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2014087926A (en) * | 2007-03-21 | 2014-05-15 | Oy Kwh Mirka Ab | Compact electrically-driven grinder |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0540925Y2 (en) | 1993-10-18 |
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