JPH0511771U - Bearing support device for alternator - Google Patents
Bearing support device for alternatorInfo
- Publication number
- JPH0511771U JPH0511771U JP6459791U JP6459791U JPH0511771U JP H0511771 U JPH0511771 U JP H0511771U JP 6459791 U JP6459791 U JP 6459791U JP 6459791 U JP6459791 U JP 6459791U JP H0511771 U JPH0511771 U JP H0511771U
- Authority
- JP
- Japan
- Prior art keywords
- bearing
- bearing support
- inner cover
- support device
- bracket
- 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
- Motor Or Generator Frames (AREA)
- Manufacture Of Motors, Generators (AREA)
Abstract
(57)【要約】
【目的】 軸受内カバーが生産性よく形成され、ブラケ
ットの軸受支持部の内端面に作業性よく容易に取付けら
れ、また、軸方向長さが短縮される。
【構成】 軸受内カバー15を薄板材によりプレス加工で
形成し、外縁部15aを軸方向に前方位置に変形し、複数
の突起座15bを打出し形成しボルト用ねじ穴15cを設け、
ブラケット13の軸受支持部13aの内端面13bに突起座に対
応する座ぐり部13cを設けており、軸受内カバー15を突
起座15bで軸受支持部の座ぐり部13cにはめ、外方からの
取付けボルト16により取付ける。
(57) [Abstract] [Purpose] The bearing inner cover is formed with high productivity, is easily attached to the inner end surface of the bearing support portion of the bracket with good workability, and the axial length is shortened. [Structure] The bearing inner cover 15 is formed by press working with a thin plate material, the outer edge portion 15a is axially deformed to the front position, a plurality of protruding seats 15b are stamped and formed, and screw holes 15c for bolts are provided,
The inner end surface 13b of the bearing support portion 13a of the bracket 13 is provided with a counterbore portion 13c corresponding to the projection seat, and the bearing inner cover 15 is fitted to the counterbore portion 13c of the bearing support portion with the projection seat 15b, and the Mount with mounting bolt 16.
Description
【０００１】[0001]
この考案は、車両用などの交流発電機の軸受支持装置に関し、特に軸受内カバ ーによる固定手段にかかわる。 The present invention relates to a bearing support device for an alternator for a vehicle or the like, and particularly to a fixing means by a cover in the bearing.
【０００２】[0002]
図２は従来の交流発電機の軸受支持装置部の断面図である。１は回転子で、回 転軸２が出されている。３は前ブラケットで、固定子鉄心（図示しない）を結合 しており、軸受（ころがり軸受）４を介し回転軸２の前端部を支持している。５ は前ブラケット３の軸受支持部3aの内端に当てられた軸受内カバーで、平板状を なしており、取付けボルト６によるねじ締めで取付けられ、軸受４の外輪を受止 めている。７は回転軸２の軸端にはめられ、ナット８により締付けられたプーリ で、機関の回転がベルトを介し伝えられる。 FIG. 2 is a sectional view of a bearing support device portion of a conventional AC generator. Reference numeral 1 is a rotor, and a rotation shaft 2 is provided. A front bracket 3 is connected to a stator core (not shown) and supports the front end of the rotary shaft 2 via a bearing (rolling bearing) 4. Reference numeral 5 denotes a bearing inner cover which is applied to the inner end of the bearing support portion 3a of the front bracket 3, has a flat plate shape, and is mounted by screwing with a mounting bolt 6 to receive the outer ring of the bearing 4. Reference numeral 7 denotes a pulley which is fitted to the shaft end of the rotary shaft 2 and is fastened by a nut 8 to transmit the rotation of the engine through a belt.
【０００３】 機関の回転でベルトを介しプーリ７により、回転軸２が駆動回転され、交流発 電機の出力が整流器を介し直流電力として蓄電池など負荷に供給される。When the engine rotates, the rotating shaft 2 is driven and rotated by the pulley 7 via the belt, and the output of the AC generator is supplied to the load such as a storage battery as DC power via the rectifier.
【０００４】[0004]
上記従来の交流発電機の軸受支持装置では、軸受内カバー５は平板状であり、 半径方向の位置決め手段がなく、取付けボルト６で取付けるのにねじ穴を合わせ ることが面倒で、組立てに時間がかかるという問題点があった。また、軸受内カ バー５はボルト用ねじ5aを設けるため、十分な板厚さを要するという問題点があ った。 In the conventional bearing support device for an AC generator described above, the bearing inner cover 5 has a flat plate shape, has no radial positioning means, and it is troublesome to align the screw holes for mounting with the mounting bolts 6. There was a problem that it cost. Further, since the bearing cover 5 is provided with the screw 5a for the bolt, there is a problem that a sufficient plate thickness is required.
【０００５】 この考案は、このような問題点を解決するためになされたもので、軸受内カバ ーが取付けにおいて容易に半径方向の位置決めができ、作業性が向上され、また 、板厚が薄くされ、軸方向の長さが短縮される交流発電機の軸受支持装置を得る ことを目的としている。The present invention has been made in order to solve such a problem, and the bearing inner cover can be easily positioned in the radial direction in mounting, the workability is improved, and the plate thickness is thin. The purpose of the present invention is to obtain a bearing support device for an AC generator whose axial length is shortened.
【０００６】[0006]
この考案にかかる交流発電機の軸受支持装置は、軸受内カバーを薄板材により 形成し、外縁部を軸方向に前方位置に変形し、円周方向に対し複数箇所に突起座 を形成し、ボルト用ねじ穴を設け、前ブラケットの軸受支持部の内端面に、突起 座をはめる座ぐり部を設け、外方から取付けボルトにより軸受内カバーを取付け たものである。 In the bearing support device for an alternator according to the present invention, the bearing inner cover is formed of a thin plate material, the outer edge portion is axially deformed to the front position, and the projection seats are formed at a plurality of positions in the circumferential direction. A screw hole is provided for the bearing, a counterbore for fitting the projection seat is provided on the inner end surface of the bearing support portion of the front bracket, and the bearing inner cover is attached from the outside with mounting bolts.
【０００７】[0007]
この考案においては、軸受内カバーは突起座が、前ブラケットの軸受支持部の 内端面の座ぐり部にはめられ、半径方向及び円周方向の位置決めがされ、外方か ら取付けボルトにより容易に取付けられる。また、軸受内カバーは薄板材により プレス加工で形成され、生産性が向上する。 In this invention, the bearing inner cover has the projection seat fitted to the counterbore part of the inner end surface of the bearing support part of the front bracket, and is positioned in the radial direction and the circumferential direction. Mounted. Also, the bearing inner cover is formed by pressing a thin plate material, which improves productivity.
【０００８】[0008]
図１はこの考案による交流発電機の軸受支持装置の一実施例を示す断面図であ る。13は固定子鉄心を結合し、軸受４を介し回転軸２を支持する前ブラケット、 15は薄板材からプレス加工により形成された軸受内カバーで、外縁部15aが軸方 向前方位置に変形されており、円周方向に対し複数箇所に突起座15bが打出し形 成されている。この突起座15bにはボルト用ねじ穴15cが設けられている。軸受支 持部13aの内端面13bには、突起座15bに対応する座ぐり部15cが設けられている。 FIG. 1 is a sectional view showing an embodiment of a bearing support device for an AC generator according to the present invention. Reference numeral 13 is a front bracket that joins the stator core and supports the rotary shaft 2 through the bearing 4. Reference numeral 15 is a bearing inner cover formed by pressing from a thin plate material, and the outer edge portion 15a is deformed to the axial forward position. The protrusion seats 15b are formed by stamping at a plurality of positions in the circumferential direction. The projection seat 15b is provided with a screw hole 15c for a bolt. A counterbore portion 15c corresponding to the protruding seat 15b is provided on the inner end surface 13b of the bearing support portion 13a.
【０００９】 軸受４をはめた前ブラケット13の軸受支持部13aの内端面13bに、軸受内カバー 15の外縁部15aを当て、突起座15bを対応する座ぐり部13cにはめる。これにより 、軸受内カバー15が軸受支持部13aに位置決めされ、外方から取付けボルト16が ボルト用ねじ穴15cに容易にねじ込まれて取付けられる。The outer edge portion 15a of the bearing inner cover 15 is applied to the inner end surface 13b of the bearing support portion 13a of the front bracket 13 in which the bearing 4 is fitted, and the protruding seat 15b is fitted in the corresponding spot facing portion 13c. As a result, the bearing inner cover 15 is positioned on the bearing support portion 13a, and the mounting bolt 16 is easily screwed into the bolt screw hole 15c from the outside to be mounted.
【００１０】 なお、上記実施例では交流発電機は車両用に適用したが、この外の用途の場合 にも適用できるものである。In the above embodiment, the AC generator is applied to a vehicle, but it can be applied to other applications.
【００１１】[0011]
以上のように、この考案によれば、軸受内カバーを薄板材によりプレス加工で 形成し、外縁部を軸方向に前方位置に変形させ、複数の突起座を打出し形成しボ ルト用ねじ穴を設け、前ブラケットの軸受支持部の内端面に突起座に対応する座 ぐり部を設け、軸受内カバーの突起座を座ぐり部にはめるようにしたので、軸受 内カバーが前ブラケットの軸受支持部に位置決めされ外方から取付けボルトによ り容易に取付けられ、作業性が向上される。また、軸受内カバーが生産性よく形 成され、軸方向長さが短縮される。 As described above, according to the present invention, the bearing inner cover is formed by pressing a thin plate material, the outer edge portion is axially deformed to the front position, and a plurality of protruding seats are punched out to form a bolt screw hole. Since the inner edge of the bearing support part of the front bracket is provided with a counterbore corresponding to the protruding seat, and the protruding seat of the bearing inner cover is fitted into the counterbore, the inner bearing cover supports the bearing of the front bracket. Positioned on the part, it can be easily mounted from the outside with mounting bolts, improving workability. In addition, the bearing inner cover is formed with high productivity, and the axial length is shortened.
【図１】この考案による交流発電機の軸受支持装置の断
面図である。FIG. 1 is a sectional view of a bearing support device for an alternator according to the present invention.
【図２】従来の交流発電機の軸受支持装置の断面図であ
る。FIG. 2 is a cross-sectional view of a conventional bearing support device for an AC generator.
２ 回転軸 ４ 軸受 13 ブラケット（前ブラケット） 13a 軸受支持部 13b 内端面 13c 座ぐり部 15 軸受内カバー 15a 外縁部 15b 突起座 15c ボルト用ねじ穴 16 取付けボルト 2 Rotating shaft 4 Bearing 13 Bracket (Front bracket) 13a Bearing support 13b Inner end face 13c Counterbore 15 Bearing inner cover 15a Outer edge 15b Projection seat 15c Bolt screw hole 16 Mounting bolt
Claims (1)
持部内に軸受をはめ、軸受支持部の内端に軸受内カバー
を取付けており、回転軸を上記軸受で支持した交流発電
機の軸受支持装置において、 上記軸受内カバーは、薄板材によりプレス加工で形成
し、外縁部を軸方向に前方位置に変形し、複数の突起座
を前方に打出し形成しボルト用ねじ穴を設けており、上
記ブラケットの軸受支持部の内端面に、上記突起座に対
応する座ぐり部を設けてあり、上記軸受内カバーを突起
座で軸受支持部内端面の座ぐり部にはめ、外方からの取
付けボルトにより取付けたことを特徴とする交流発電機
の軸受支持装置。[Claims for utility model registration] [Claim 1] A bearing is fitted in a bearing support portion of a bracket to which a fixed iron core is coupled, and a bearing inner cover is attached to an inner end of the bearing support portion, and the rotating shaft is supported by the bearing. In the bearing support device for the AC generator, the bearing inner cover is formed by press working with a thin plate material, the outer edge portion is deformed to the front position in the axial direction, and a plurality of protruding seats are formed forward and formed for bolts. A screw hole is provided, and a counterbore part corresponding to the above-mentioned projection seat is provided on the inner end surface of the bearing support part of the above bracket.The above-mentioned bearing inner cover is fitted to the counterbore part of the bearing support part inside end face by the projection seat. A bearing support device for an alternator, characterized in that the bearing support device is mounted by mounting bolts from the outside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6459791U JPH0511771U (en) | 1991-07-19 | 1991-07-19 | Bearing support device for alternator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6459791U JPH0511771U (en) | 1991-07-19 | 1991-07-19 | Bearing support device for alternator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0511771U true JPH0511771U (en) | 1993-02-12 |
Family
ID=13262825
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6459791U Pending JPH0511771U (en) | 1991-07-19 | 1991-07-19 | Bearing support device for alternator |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0511771U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5181281U (en) * | 1974-12-21 | 1976-06-29 | ||
| JP6113377B1 (en) * | 2016-04-27 | 2017-04-12 | 三菱電機株式会社 | Rotating electric machine |
-
1991
- 1991-07-19 JP JP6459791U patent/JPH0511771U/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5181281U (en) * | 1974-12-21 | 1976-06-29 | ||
| JP6113377B1 (en) * | 2016-04-27 | 2017-04-12 | 三菱電機株式会社 | Rotating electric machine |
| WO2017187572A1 (en) * | 2016-04-27 | 2017-11-02 | 三菱電機株式会社 | Rotating electric machine |
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