JPH0237251Y2 - - Google Patents
Info
- Publication number
- JPH0237251Y2 JPH0237251Y2 JP15428385U JP15428385U JPH0237251Y2 JP H0237251 Y2 JPH0237251 Y2 JP H0237251Y2 JP 15428385 U JP15428385 U JP 15428385U JP 15428385 U JP15428385 U JP 15428385U JP H0237251 Y2 JPH0237251 Y2 JP H0237251Y2
- Authority
- JP
- Japan
- Prior art keywords
- bearing
- screw
- bracket
- frame
- hole
- 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.)
- Expired
Links
- 230000002093 peripheral effect Effects 0.000 claims description 5
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
Landscapes
- Motor Or Generator Frames (AREA)
Description
【考案の詳細な説明】
〔産業上の利用分野〕
本考案は、フレーム外径と回転軸軸受外径が比
較的近接している場合のブラケツトに軸受を固定
する装置を備える回転電機に関する。[Detailed Description of the Invention] [Industrial Application Field] The present invention relates to a rotating electrical machine equipped with a device for fixing a bearing to a bracket when the outer diameter of the frame and the outer diameter of the rotating shaft bearing are relatively close to each other.
この種装置の従来例における要部の軸方向上半
分の側断面図を第３図に表わす。
FIG. 3 shows a side sectional view of the axially upper half of the main part of a conventional example of this type of device.
回転軸１を回転自在に支承する軸受２は、回転
軸に嵌合圧入され、回転電機の軸方向端部を閉塞
するブラケツト４に組み込まれる。 A bearing 2 that rotatably supports the rotating shaft 1 is press-fitted onto the rotating shaft and incorporated into a bracket 4 that closes an axial end of the rotating electric machine.
軸受２の回転機側に組み入れた軸受カバー７を
ネジ３を用いてブラケツト４側から締め付けるこ
とにより、軸受２外輪をブラケツト４に固定す
る。 The outer ring of the bearing 2 is fixed to the bracket 4 by tightening the bearing cover 7 assembled on the rotating machine side of the bearing 2 from the bracket 4 side using the screws 3.
ブラケツト４はネジ６を使つて、回転電機の側
面を囲繞するフレーム５に固定する。 The bracket 4 is fixed to a frame 5 surrounding the side surface of the rotating electric machine using screws 6.
しかしながら、第３図の構造においては、軸受
カバー７をフレーム５の内部に組み入れる必要が
あることから、ブラケツト４とフレーム５を固定
するネジ６のピツチ径を、軸受カバー７を固定す
るネジ３のピツチ径よりかなり外側に配置せざる
をえない。 However, in the structure shown in FIG. 3, since it is necessary to assemble the bearing cover 7 inside the frame 5, the pitch diameter of the screw 6 that fixes the bracket 4 and the frame 5 is determined by adjusting the pitch diameter of the screw 3 that fixes the bearing cover 7. It has no choice but to be placed far outside the pitch diameter.
ここにおいて本考案は、従来例の難点を克服
し、ブラケツトとフレームを固定するネジと軸受
カバーをブラケツトに固定するネジのピツチ径を
近接し、回転電機の外径を小さくすることが可能
な軸受固定装置を備える回転電機を提供すること
を、その目的とする。
The present invention overcomes the drawbacks of the conventional bearings by making the pitch diameters of the screws that fix the bracket and the frame close to the screws that fix the bearing cover to the bracket, thereby reducing the outer diameter of the rotating electric machine. The object is to provide a rotating electric machine equipped with a fixing device.
本考案は、上記目的を達成するために、
固定子を囲繞し端面にフランジを有するフレー
ムにブラケツトを締め付け、ブラケツト内周面に
軸受を嵌合し軸受カバーを介し軸受を固定する回
転電機において、
前記フレームの端面に設けたフランジは、その
内径を軸受外径より若干大きくし、その内周縁部
には複数個の切り欠きを開設し、その内周側面に
は複数個の第一のネジのタツプ穴を設け、
軸受の固定子側に設けられるリング状の軸受カ
バーは、軸受の外輪側面に当接するリング部と突
き出し座が形成されており、
突き出し座は切り欠きに嵌挿される形状を成
し、
突き出し座には第二のネジのタツプ穴を設け、
ブラケツトには、前記第一のネジと前記第二の
ネジとほぼ同一のピツチ径で前記第一のネジ用透
孔と前記第二のネジ用透孔を設け、
フレームとブラケツトとは第一のネジのタツプ
穴へネジを螺着して固着され、
軸受カバーとブラケツトとは突き出し座の第二
のネジのタツプ穴へネジを螺着して固着されて成
る回転電機である。
In order to achieve the above object, the present invention provides a rotating electric machine in which a bracket is tightened to a frame surrounding a stator and has a flange on an end face, a bearing is fitted to the inner peripheral surface of the bracket, and the bearing is fixed via a bearing cover. The flange provided on the end face of the frame has an inner diameter slightly larger than the outer diameter of the bearing, has a plurality of notches on its inner peripheral edge, and has a plurality of first screws on its inner peripheral side. The ring-shaped bearing cover, which is provided on the stator side of the bearing and has tapped holes, has a ring part that comes into contact with the side surface of the outer ring of the bearing, and a protrusion seat.The protrusion seat has a shape that fits into the notch. The ejector seat is provided with a tap hole for a second screw, and the bracket is provided with a through hole for the first screw and the second screw with a pitch diameter that is approximately the same as that of the first screw and the second screw. The frame and bracket are fixed by screwing a screw into the tap hole of the first screw, and the bearing cover and bracket are secured by screwing a screw into the tap hole of the second screw in the protruding seat. It is a rotating electric machine that is attached and fixed.
本考案の一実施例における要部を断面で表わし
た側面図を第１図に示す。
FIG. 1 shows a cross-sectional side view of the main parts of an embodiment of the present invention.
また、第２図は第１図のＡ−Ａ線に沿う矢視方
向からみた正断面図である。 Further, FIG. 2 is a front sectional view taken along the line A-A in FIG. 1 in the direction of arrows.
軸受２は回転軸１に圧入され、さらにブラケツ
ト４に組み込まれる。 The bearing 2 is press-fitted onto the rotating shaft 1 and then assembled into the bracket 4.
ブラケツト４は、ネジ３と同一のピツチ径の透
孔３ａを挿通させたネジ３により、フレーム５に
締め付けられる。 The bracket 4 is fastened to the frame 5 by screws 3 inserted through holes 3a having the same pitch diameter as the screws 3.
また、軸受ｂカバー７は、ネジ６と同一のピツ
チ径の透孔６ａを挿通させたネジ６によりブラケ
ツト４側より締め付けられ、軸受２の外輪はブラ
ケツト４に固定される。 Further, the bearing b cover 7 is tightened from the bracket 4 side by a screw 6 inserted through a through hole 6a having the same pitch diameter as the screw 6, and the outer ring of the bearing 2 is fixed to the bracket 4.
なお、透孔３ａと６ａのピツ径はほぼ等しくし
てある。 Note that the pit diameters of the through holes 3a and 6a are approximately equal.
フレーム５には軸受外径よりやや大きい内径を
持つフランジ５aを形成し、第２図のようにフラ
ンジ５aに複数個の切欠き５bを設ける。 A flange 5a having an inner diameter slightly larger than the outer diameter of the bearing is formed on the frame 5 , and a plurality of notches 5b are provided in the flange 5a as shown in FIG.
軸受カバー７には、この切欠き５bに合うよう
な突き出し座７aをそなえる。 The bearing cover 7 is provided with a protruding seat 7a that fits into the notch 5b .
突き出し座７aにはタツプ穴を設け、ネジ６に
て軸受カバー７をブラケツト４に締め付け、また
フレーム５にはタツプ穴をそなえブラケツト４を
フレーム５に締め付ける。 A tapped hole is provided in the protruding seat 7a , and the bearing cover 7 is fastened to the bracket 4 with a screw 6. A tapped hole is provided in the frame 5, and the bracket 4 is fastened to the frame 5.
かくして本考案によれば、ブラケツトとフレー
ムを固定するネジを軸受カバーをブラケツトに締
め付けるネジの外側に配置することなく、ほぼ同
じピツチ径で配置することが可能であり、したが
つて回転電機の外径を著しく小さくすることがで
き、当該分野に寄与するところが多い。
Thus, according to the present invention, it is possible to arrange the screws that fix the bracket and the frame on the outside of the screws that fasten the bearing cover to the bracket, and to arrange them with approximately the same pitch diameter. The diameter can be significantly reduced, making many contributions to this field.
第１図は本考案の一実施例の要部の側断面図、
第２図は第１図のＡ−Ａ線に沿う矢視方向からみ
た正断面図、第３図は従来例の説明図である。
１……回転軸、２……軸受、３，６……ネジ、
４……ブラケツト、５……フレーム、５a……フ
レーム端部に設けたフランジ、５b……フランジ
の切欠き、７……軸受カバー、７a……軸受カバ
ーにそなえる突き出し座。
FIG. 1 is a side sectional view of the main parts of an embodiment of the present invention.
2 is a front sectional view taken along the line A--A in FIG. 1 in the direction of arrows, and FIG. 3 is an explanatory diagram of a conventional example. 1... Rotating shaft, 2... Bearing, 3, 6... Screw,
4... Bracket, 5... Frame, 5 a ... Flange provided at the end of the frame, 5 b ... Flange notch, 7... Bearing cover, 7 a ... Protruding seat provided on the bearing cover.
Claims (1)
レーム５にブラケツト４を締め付け、ブラケツト
４内周面に軸受２を嵌合し軸受カバー７を介し軸
受２を固定する回転電機において、 前記フレーム５の端面に設けたフランジ５ａ
は、その内径を軸受２外径より若干大きくし、そ
の内周縁部には複数個の切り欠き５ｂを開設し、
その内周側面には複数個の第一のネジ３のタツプ
穴を設け、 軸受２の固定子側に設けられるリング状の軸受
カバー７は、軸受２の外輪側面に当接するリング
部と突き出し座７ａが形成されており、 突き出し座７ａは切り欠き５ｂに嵌挿される形
状を成し、 突き出し座７ａには第二のネジ６のタツプ穴 を設け、 ブラケツト４には、前記第一のネジ３と前記第
二のネジ６とほぼ同一のピツチ径で前記第一のネ
ジ用透孔３ａと前記第二のネジ用透孔６ａ を設け、 フレーム５とブラケツト４とは第一のネジ３の
タツプ穴へネジ３を螺着して固着され、 軸受カバー７とブラケツト４とは突き出し座７
ａの第二のネジ６のタツプ穴へネジ６を螺着して
固着されて 成ることを特徴とする回転電機。[Claims for Utility Model Registration] Rotation for tightening the bracket 4 to the frame 5 surrounding the stator and having the flange 5a on the end face, fitting the bearing 2 to the inner peripheral surface of the bracket 4, and fixing the bearing 2 via the bearing cover 7. In an electric machine, a flange 5a provided on an end surface of the frame 5
The inner diameter of the bearing is slightly larger than the outer diameter of the bearing 2, and a plurality of notches 5b are formed on the inner peripheral edge of the bearing.
A ring-shaped bearing cover 7 provided on the stator side of the bearing 2 has a ring portion that comes into contact with the outer ring side of the bearing 2 and a protruding seat. 7a is formed, the protruding seat 7a has a shape to be fitted into the notch 5b, the protruding seat 7a is provided with a tap hole for the second screw 6, and the bracket 4 is provided with a tap hole for the first screw 3. The first screw through hole 3a and the second screw through hole 6a are provided with almost the same pitch diameter as the second screw 6, and the frame 5 and the bracket 4 are connected to the tap of the first screw 3. The screws 3 are screwed into the holes to secure the bearing cover 7 and the bracket 4 to the protruding seat 7.
A rotating electric machine characterized in that the screw 6 is screwed into the tap hole of the second screw 6 of (a) and fixed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15428385U JPH0237251Y2 (en) | 1985-10-08 | 1985-10-08 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15428385U JPH0237251Y2 (en) | 1985-10-08 | 1985-10-08 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6264151U JPS6264151U (en) | 1987-04-21 |
| JPH0237251Y2 true JPH0237251Y2 (en) | 1990-10-09 |
Family
ID=31073935
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15428385U Expired JPH0237251Y2 (en) | 1985-10-08 | 1985-10-08 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0237251Y2 (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6636785B2 (en) * | 2015-12-01 | 2020-01-29 | 東芝産業機器システム株式会社 | Rotating electric machine |
| JP6445061B2 (en) | 2017-02-23 | 2018-12-26 | ファナック株式会社 | Electric motor and manufacturing method thereof |
| JP6952931B1 (en) * | 2020-08-26 | 2021-10-27 | 三菱電機株式会社 | Rotating machine |
-
1985
- 1985-10-08 JP JP15428385U patent/JPH0237251Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6264151U (en) | 1987-04-21 |
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