JPS60237830A - Generator with eccentric vacuum pump - Google Patents
Generator with eccentric vacuum pumpInfo
- Publication number
- JPS60237830A JPS60237830A JP59092114A JP9211484A JPS60237830A JP S60237830 A JPS60237830 A JP S60237830A JP 59092114 A JP59092114 A JP 59092114A JP 9211484 A JP9211484 A JP 9211484A JP S60237830 A JPS60237830 A JP S60237830A
- Authority
- JP
- Japan
- Prior art keywords
- oil
- generator
- vacuum pump
- oil seal
- section
- 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
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
Abstract
Description
【発明の詳細な説明】
（産業上の利用分野）
本発明は、偏心型真空ポンプ付発電機に関し、特に自動
車において制動倍力装置などに必要な６空を供与する回
転式真空ポンプと交流発電機とを同軸線上に結合し、共
通して駆動するもののシール構造に関するものである。Detailed Description of the Invention (Field of Industrial Application) The present invention relates to a generator with an eccentric vacuum pump, and in particular to a rotary vacuum pump and an alternating current generator that provide a vacuum necessary for a brake booster in an automobile. This relates to a sealing structure for a device that is connected coaxially with a machine and driven in common.
（従来技術）
従来の偏心型真空ポンプ付発電機の構造は、第１図にそ
の部分縦断面図を示す如くで、給油された潤滑油をポン
プ内に導く油制御部８ｄ、及びこの油制御部８ｄに隣接
するオイルシールｌＯがはめ合わされている部分の回転
軸径がほぼ等しいため、油が前記油制御部８ｄからオイ
ルシール１０に流入しやすく、このオイルシール部の圧
力が使用限界０．３ ｋｇ ／ ｃ＋Ｊ以下を上回った
り汚れた油（一般にエンジンオイルを使用しているため
スラッジ。(Prior Art) The structure of a conventional generator with an eccentric vacuum pump is as shown in a partial vertical cross-sectional view in FIG. Since the rotating shaft diameters of the portion where the oil seal lO adjacent to the portion 8d is fitted are almost equal, oil easily flows into the oil seal 10 from the oil control portion 8d, and the pressure of this oil seal portion reaches the service limit of 0. 3 kg/c+J or less or dirty oil (generally sludge because engine oil is used).
カーボン粉が多量に含まれている）を直接運んだりして
オイルシール１０のシール面（シールリップ）の摩耗促
進、異常摩耗を起こし油洩れに至らしめる恐れがあると
いう問題がある。また、前記オイルシール１０の回転軸
径と回転軸のスプライン部８Ｃ径が同様にほぼ等しいた
め、組付時、このスプライン部８ｃにてオイルシール１
０のリップを傷付けてしまうことがあるという問題もあ
る。There is a problem in that the sealing surface (seal lip) of the oil seal 10 may be directly transported, causing accelerated wear and abnormal wear of the sealing surface (seal lip) of the oil seal 10, which may lead to oil leakage. Also, since the diameter of the rotating shaft of the oil seal 10 and the diameter of the spline portion 8C of the rotating shaft are approximately equal, during assembly, the oil seal 1
There is also the problem that the lip of the 0 may be damaged.
（本発明の目的）
本発明は、上記の問題点に鑑み、回転軸にはめ合わされ
たオイルシールのシール面（シールリソプ）を異常摩耗
させたり損傷する恐れのないシール構造を有する偏心型
８空ポンプ付発電機を提供することを目的とするもので
ある。(Object of the present invention) In view of the above-mentioned problems, the present invention provides an eccentric 8-pneumatic pump having a seal structure that does not cause abnormal wear or damage to the seal surface (seal resop) of the oil seal fitted to the rotating shaft. The purpose is to provide an attached generator.
（本発明の構成）
本発明は、偏心型回転式直空ポンプと交流発電機とを同
軸線上に結合し、共通して駆動する偏心型８空ポンプ付
発電機において、６空ポンプ例の回転軸においてオイル
シールを挿入する部分の軸径を油￥ｌｉ！Ｉ御部及びス
プライン部の軸径より大径とし、かつこの大径部の段付
部にて軸受のスラスト方向の位置決めをなすように構成
したものである。(Structure of the present invention) The present invention provides an eccentric rotary direct air pump and an alternating current generator connected on the same axis and driven in common in an eccentric type 8-air pump generator. The shaft diameter of the part of the shaft where the oil seal is inserted is oil￥li! The shaft diameter is larger than the shaft diameter of the I control part and the spline part, and the bearing is positioned in the thrust direction by the stepped part of the large diameter part.
（実施例）
以下、本発明を図に示す実施例について説明する。第２
図は本発明になる偏心型８空ポンプ付発電機の一実施例
の構成を示す縦断面図で、６空ポンプ１は発電機２とプ
ーリ３と−の間に配置されており、６空ポンプ】のケー
シング４と発電機２のフレーム１７にはそれぞれインロ
一部４ａ、１７ａが設けられていて、ポルト２１により
プレート７を挟んで結合されている。６空ポンプ１の回
転軸８は前記ケーシング４に設けられた軸受９にて支持
され、ｉ＠滑油のオイル穴８ａ、８ｂが設けられている
とともに先端にはスプライン部８Ｃが形成されていて６
空ポンプ１のロータ５がはめ合わされている。また、中
心部にブッシングシャフト１３と回転軸１８を有した発
電融２の回転子１９は発電機の両フレーム１７．１８に
設けられた各々の軸受１４，１５にて支持されており、
このブッシングシャフト１３には６空ポンプ１側の回転
軸８に設けたスプライン部８Ｃに対応する雌側スプライ
ン部１３ａが成形されており、両スプライン部が嵌合し
ている。また、回転軸８は油制御部８ｄ及びスプライン
部８Ｃに対し軸径を大きくした大径部８ｅを有し、この
大径部８ｅとケーシング４に設げられたオイルシール１
０とでシール面を形成し、かつ、この大径部８ｅの段付
部８ｆにて軸受９のスラスト方向の位置決めを行ってい
る。(Example) Hereinafter, an example of the present invention shown in the drawings will be described. Second
The figure is a longitudinal cross-sectional view showing the configuration of an embodiment of the eccentric type generator with an 8-pump pump according to the present invention. The casing 4 of the pump and the frame 17 of the generator 2 are provided with inlet parts 4a and 17a, respectively, and are connected by a port 21 with a plate 7 in between. The rotating shaft 8 of the 6-pneumatic pump 1 is supported by a bearing 9 provided in the casing 4, and is provided with oil holes 8a and 8b for lubricating oil, and a spline portion 8C is formed at the tip. 6
The rotor 5 of the empty pump 1 is fitted together. Further, the rotor 19 of the power generator 2, which has a bushing shaft 13 and a rotating shaft 18 in the center, is supported by bearings 14 and 15 provided on both frames 17 and 18 of the generator.
This bushing shaft 13 is formed with a female spline portion 13a corresponding to the spline portion 8C provided on the rotating shaft 8 on the six-pneumatic pump 1 side, and both spline portions are fitted. Further, the rotating shaft 8 has a large diameter part 8e with a larger shaft diameter than the oil control part 8d and the spline part 8C, and the oil seal 1 provided in the large diameter part 8e and the casing 4 is connected to the large diameter part 8e.
0 to form a sealing surface, and the stepped portion 8f of the large diameter portion 8e positions the bearing 9 in the thrust direction.
なお、前記オイルシール１０以外にも６空ポンプ用潤滑
油の漏れ防止、シール性確保のため、オイルシール１６
．０リング１１．２０がそれぞれ設けられている。In addition to the oil seal 10, an oil seal 16 is also provided in order to prevent leakage of lubricating oil for the 6-pump pump and ensure sealing performance.
．． An O-ring 11.20 is provided respectively.
次に、上記構成の本発明偏心型６空ポンプ付発電機の作
動について説明すると、図示しないエンジンよりの回転
トルクは、プーリ３を介して軸受９にて支持された真空
ポンプ１内の回転軸より、この回転軸８及び発電機２の
回転子１９に設けられたスプラインＧＩＮｌｃ、１３ａ
を通して回転子１９の回転軸１２に伝達される。その際
、真空ポンプ１内のケーシング４．ロータ５．ブレード
６で仕切られた室にて周知の空気の吸入、排出作用が行
なわれる。また、８空ポンプ用ａ／ｉ！）油はケーシン
グ４に設けられた給油口４ｂから回転軸８のオイル穴８
ａ、８ｂを通り、真空ポンプ内及び回転軸８．ブッシン
グシャフト１３のスプライン部８ｃ、１３ａに流入し、
画部分の潤滑を行う。一方前記油は回転軸８とオイルシ
ール１０とで形成されるシール面を潤滑するため油制御
部８ｄから大径部８ｅを介しオイルシール挿入部に流入
する。Next, to explain the operation of the eccentric type 6-pump generator of the present invention having the above configuration, the rotational torque from the engine (not shown) is applied to the rotating shaft of the vacuum pump 1 supported by the bearing 9 via the pulley 3. Therefore, the spline GINlc, 13a provided on the rotating shaft 8 and the rotor 19 of the generator 2
The signal is transmitted to the rotating shaft 12 of the rotor 19 through. At that time, the casing 4 inside the vacuum pump 1. Rotor 5. In the chamber partitioned by the blades 6, well-known air intake and exhaust operations are performed. Also, a/i for 8 empty pumps! ) Oil flows from the oil filler port 4b provided in the casing 4 to the oil hole 8 of the rotating shaft 8.
a, 8b, inside the vacuum pump and the rotating shaft 8. Flows into the spline portions 8c and 13a of the bushing shaft 13,
Lubricate the painting area. On the other hand, the oil flows from the oil control section 8d into the oil seal insertion section via the large diameter section 8e in order to lubricate the seal surface formed by the rotating shaft 8 and the oil seal 10.
（本発明の効果）
本発明は、回転軸の油制御部及びスプライン部に対しオ
イルシール挿入部の軸径を大きくしであるため、汚れた
油をオイルシールに運ぶことがなく、オイルシールの摩
耗を防止し、流入する油もシール面の潤滑に必要な量ま
で低減することできるという効果が大である。(Effects of the present invention) In the present invention, since the shaft diameter of the oil seal insertion part is made larger than the oil control part and spline part of the rotating shaft, dirty oil is not carried to the oil seal, and the oil seal This has the great effect of preventing wear and reducing the amount of oil flowing in to the amount required to lubricate the sealing surface.
また、オイルシールの組付は時、スプライン部によりオ
イルシールのリップが傷イ」けられることもないという
効果があり、さらにオイルシールを挿入する回転軸の大
径部の段付き部にて軸受のスラスト方向の位置決めを行
うため真空ポンプ付発電機を特に軸方向において小型化
することができるという効果がある。In addition, when assembling the oil seal, the lip of the oil seal is not damaged by the spline part, and the bearing is mounted on the stepped part of the large diameter part of the rotating shaft into which the oil seal is inserted. This has the effect that the vacuum pump-equipped generator can be downsized, especially in the axial direction, because of the positioning in the thrust direction.
第１図は従来の偏心型８空ポンプ付発電機の部分縦断面
図、第２図は本発明になる偏心型８空ポンプ付発電機の
一実施例の構成を示す縦断面図で、図中同一符合は同−
又は均等部分を示す。
１・・・偏心型８空ポンプ、２・・・発電機、３・・・
プーリ、８，１２・・・回転軸、１０・・・オイルシー
ル、８ｅ・・・回転軸８の大径部、８ｆ・・・段付部、
４ｂ・・・給曲目、８ｄ・・・油制御部、８ｃ、Ｉ３ａ
・・・スプライン部。
代理人弁理士 岡 部 隆
第１図
６FIG. 1 is a partial vertical cross-sectional view of a conventional generator with an eccentric 8-pump pump, and FIG. 2 is a vertical sectional view showing the configuration of an embodiment of the eccentric-type generator with 8-pump pump according to the present invention. The same sign in the middle is the same −
or indicate equal parts. 1... Eccentric 8-air pump, 2... Generator, 3...
Pulley, 8, 12... Rotating shaft, 10... Oil seal, 8e... Large diameter part of rotating shaft 8, 8f... Stepped part,
4b... Music supply number, 8d... Oil control section, 8c, I3a
...Spline section. Representative Patent Attorney Takashi Okabe Figure 1 6
Claims (1)
共通して駆動する偏心型真空ポンプ付発電機において、
６空ポンプ側の回転軸においてオイルシールを挿入する
部分の軸径を油制御部及びスプライン部の軸径より大径
とし、かつこの大径部の段付部にて軸受のスラスト方向
の位置決めをなすようにしたことを特徴とする偏心型真
空ポンプ付発電機。An eccentric 6-pneumatic pump and an alternator are connected on a coaxial line,
In a generator with an eccentric vacuum pump that is commonly driven,
6. The shaft diameter of the part of the rotating shaft on the empty pump side where the oil seal is inserted is larger than the shaft diameter of the oil control part and the spline part, and the bearing is positioned in the thrust direction by the stepped part of this large diameter part. A generator with an eccentric vacuum pump, which is characterized by the following features:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP59092114A JPH0736683B2 (en) | 1984-05-08 | 1984-05-08 | Eccentric type vacuum pump generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP59092114A JPH0736683B2 (en) | 1984-05-08 | 1984-05-08 | Eccentric type vacuum pump generator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS60237830A true JPS60237830A (en) | 1985-11-26 |
| JPH0736683B2 JPH0736683B2 (en) | 1995-04-19 |
Family
ID=14045403
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP59092114A Expired - Fee Related JPH0736683B2 (en) | 1984-05-08 | 1984-05-08 | Eccentric type vacuum pump generator |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0736683B2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001235035A (en) * | 2000-02-22 | 2001-08-31 | Nec Kansai Ltd | Shaft sealing device |
| EP1313200A2 (en) * | 2001-11-16 | 2003-05-21 | Valeo Mando Electrical Systems Korea Limited | Alternator having vacuum pump capable of improving cooling characteristic |
-
1984
- 1984-05-08 JP JP59092114A patent/JPH0736683B2/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001235035A (en) * | 2000-02-22 | 2001-08-31 | Nec Kansai Ltd | Shaft sealing device |
| EP1313200A2 (en) * | 2001-11-16 | 2003-05-21 | Valeo Mando Electrical Systems Korea Limited | Alternator having vacuum pump capable of improving cooling characteristic |
| EP1313200A3 (en) * | 2001-11-16 | 2003-11-12 | Valeo Mando Electrical Systems Korea Limited | Alternator having vacuum pump capable of improving cooling characteristic |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0736683B2 (en) | 1995-04-19 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |