JPH07133710A - Lubricating device of vacuum pump - Google Patents

Lubricating device of vacuum pump

Info

Publication number
JPH07133710A
JPH07133710A JP30354093A JP30354093A JPH07133710A JP H07133710 A JPH07133710 A JP H07133710A JP 30354093 A JP30354093 A JP 30354093A JP 30354093 A JP30354093 A JP 30354093A JP H07133710 A JPH07133710 A JP H07133710A
Authority
JP
Japan
Prior art keywords
vacuum pump
oil
crankcase
boss
lubricating
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
Application number
JP30354093A
Other languages
Japanese (ja)
Other versions
JP2768244B2 (en
Inventor
Yasuhiro Yokoyama
泰弘 横山
Seiji Okada
誠二 岡田
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mitsubishi Motors Corp
Original Assignee
Mitsubishi Motors Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Mitsubishi Motors Corp filed Critical Mitsubishi Motors Corp
Priority to JP5303540A priority Critical patent/JP2768244B2/en
Publication of JPH07133710A publication Critical patent/JPH07133710A/en
Application granted granted Critical
Publication of JP2768244B2 publication Critical patent/JP2768244B2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

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  • Lubrication Of Internal Combustion Engines (AREA)

Abstract

PURPOSE:To offer a lubricating device of vacuum pump having no oil leakage from a lubricating passage leading to a vacuum pump, available at a low-cost and still reliable. CONSTITUTION:An oil passage 22 is formed only is the case interior without providing any external oil pipe by fitting a gear case 2 on a vacuum pump 3 and communicating an oil passage 22 inside an oil supply boss 21, which is provided on the gear case 2, with the oil passage 32 at a crankcase 1 and the vacuum pump 3. Damping bolt bosses are provided in series on the oil supply boss 21 and the seat surface between the oil supply boss 21 and the crankcase 1 is sealed by the torque of the damping bolts.

Description

【発明の詳細な説明】Detailed Description of the Invention

【0001】[0001]

【産業上の利用分野】本発明は、エンジンのクランク軸
により回転駆動されるバキュームポンプの潤滑装置に関
する。
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a lubricating device for a vacuum pump which is rotationally driven by a crankshaft of an engine.

【0002】[0002]

【従来の技術】自動車においては、ブレーキの油圧系の
倍力装置の負圧室内に負圧を発生させ、ブレーキ力を高
めるためバキュームポンプを装備している。通常、かか
るバキュームポンプは、エンジンのクランク軸により回
転駆動され、これの軸受部等への潤滑油はエンジンのオ
イルギャラリーから分岐されたエンジンオイルが供給さ
れている。
2. Description of the Related Art An automobile is equipped with a vacuum pump for increasing a braking force by generating a negative pressure in a negative pressure chamber of a booster for a brake hydraulic system. Usually, such a vacuum pump is rotationally driven by the crankshaft of the engine, and the lubricating oil for the bearings thereof is supplied with the engine oil branched from the oil gallery of the engine.

【0003】前記バキュームポンプは、エンジンのクラ
ンクケースに取付けられており、該バキュームポンプに
潤滑油を供給する場合、従来は、例えば実公平2−21
53号に示されるように、エンジンのクランクケースに
設けられた潤滑油取付用コネクタにオイルパイプを接続
するとともに、このオイルパイプの他端をバキュームポ
ンプの潤滑油入口のコネクタに接続することにより、エ
ンジンのメインギャラリーから分岐された潤滑油を前記
オイルパイプを経てバキュームポンプに供給している。
The vacuum pump is mounted on the crankcase of the engine, and when lubricating oil is supplied to the vacuum pump, conventionally, for example, Japanese Utility Model Publication 2-21.
As shown in No. 53, by connecting an oil pipe to a connector for mounting a lubricating oil provided on a crankcase of an engine, and connecting the other end of this oil pipe to a connector at a lubricating oil inlet of a vacuum pump, The lubricating oil branched from the main gallery of the engine is supplied to the vacuum pump through the oil pipe.

【0004】[0004]

【発明が解決しようとする課題】しかしながら、前記オ
イルパイプを備えたバキュームポンプへの潤滑油供給装
置は、エンジンのメインギャラリーの潤滑油をクランク
ケースから一旦オイルパイプを通してから、クランクケ
ースに取付けられたバキュームポンプに供給するように
構成されているため、エンジン振動等によりオイルパイ
プへのコネクタ部に弛みが生じ、該部より潤滑油の漏れ
が発生し易い。
However, the lubricating oil supply device for the vacuum pump provided with the oil pipe is mounted on the crankcase after the lubricating oil of the main gallery of the engine is once passed through the oil pipe from the crankcase. Since it is configured to be supplied to the vacuum pump, the connector portion to the oil pipe is loosened due to engine vibration or the like, and the lubricating oil easily leaks from the portion.

【0005】また、専用のオイルパイプを必要とするた
めこれに関連して部品点数が多くなるとともに、該パイ
プの分解組立のための工数を要し、装置の製造コストが
高くなる、等の問題点がある。
Further, since a dedicated oil pipe is required, the number of parts associated therewith is increased, and the number of man-hours required for disassembling and assembling the pipe is required, resulting in a high manufacturing cost of the apparatus. There is a point.

【0006】従って、本発明の目的は、バキュームポン
プへの潤滑油路中の漏れの発生を防止することにより、
信頼性が高く、かつ部品点数を減ずることにより製造コ
ストの低いバキュームポンプでの潤滑装置を提供するこ
とである。
Therefore, an object of the present invention is to prevent the occurrence of leakage in the lubricating oil passage to the vacuum pump,
It is an object of the present invention to provide a lubricating device for a vacuum pump which is highly reliable and has a low manufacturing cost by reducing the number of parts.

【0007】[0007]

【課題を解決するための手段】本発明は前記問題点を解
決するため、バキュームポンプをギヤケースに装着し、
ギヤケースに油通路が内設された給油ボス及びギヤケー
スの制振用ボルトが挿通される制振ボルトボスを連設し
て、バキュームポンプへの潤滑油を、クランクケース内
部の油通路から前記給油ボス内の油通路を経てバキュー
ムポンプのケース内へ供給するようにしたことを特徴と
している。
In order to solve the above problems, the present invention mounts a vacuum pump on a gear case,
A lubricating boss having an oil passage inside the gear case and a damping bolt boss through which the damping bolt of the gear case is inserted are connected in series to supply lubricating oil to the vacuum pump from the oil passage inside the crankcase to the inside of the lubricating boss. It is characterized in that the oil is supplied into the case of the vacuum pump through the oil passage.

【0008】[0008]

【作用】クランクケース内部のメインギャラリーから分
岐された潤滑油は、給油ボス内の油通路を経て直接バキ
ュームポンプのケース内に供給される。これにより、バ
キュームポンプへの潤滑油はオイルパイプを経ることな
く、ケースの内部通路のみを通ってバキュームポンプ内
に供給されることとなり、エンジン振動による弛みが生
じ易いコネクタ部が無いので、潤滑油の漏れの発生が防
止される。また、給油ボスに連設された制振ボルトボス
のボルトを締め付けることにより、給油ボスとクランク
ケースとのシート面が確実にシールされ、該部よりの油
漏れは完全に阻止される。
[Function] The lubricating oil branched from the main gallery inside the crankcase is directly supplied into the case of the vacuum pump through the oil passage in the oil supply boss. As a result, the lubricating oil for the vacuum pump is supplied to the inside of the vacuum pump only through the internal passage of the case without passing through the oil pipe, and there is no connector portion that is apt to loosen due to engine vibration. The occurrence of leakage is prevented. Further, by tightening the bolts of the damping bolt boss connected to the oil supply boss, the seat surfaces of the oil supply boss and the crankcase are reliably sealed, and the oil leakage from this portion is completely prevented.

【0009】[0009]

【実施例】以下図1〜図2を参照して本発明の実施例に
つき詳細に説明する。但し、この実施例に記載されてい
る構成部品の寸法、材質、形状、その相対的配置等は特
に特定的な記載がないかぎりは、この発明の範囲をそれ
に限定する趣旨ではなく、単なる説明例にすぎない。
Embodiments of the present invention will be described in detail below with reference to FIGS. However, unless otherwise specified, the dimensions, materials, shapes, relative positions, etc. of the components described in this embodiment are not intended to limit the scope of the present invention thereto, but merely illustrative examples. Nothing more.

【0010】図において、1はエンジンのクランクケー
ス、2はギヤケース、3はバキュームポンプであり、該
バキュームポンプ3はボルト8によりギヤケース2に固
着されている。4はパワーステアリングポンプ、5はク
ランク歯車35により駆動されるカム歯車、6は該カム
歯車5に噛合されるパワーステアリングポンプ駆動歯
車、7は該パワーステアリングポンプ歯車に噛合される
バキュームポンプ駆動歯車であり、前記バキュームポン
プ3はカム歯車5からパワーステアリグポンプ歯車6を
経てバキュームポンプ駆動歯車7により回転駆動され
る。51は中間歯車である。
In the drawing, 1 is an engine crankcase, 2 is a gear case, 3 is a vacuum pump, and the vacuum pump 3 is fixed to the gear case 2 with bolts 8. 4 is a power steering pump, 5 is a cam gear driven by a crank gear 35, 6 is a power steering pump drive gear meshed with the cam gear 5, and 7 is a vacuum pump drive gear meshed with the power steering pump gear. The vacuum pump 3 is rotationally driven by the vacuum pump drive gear 7 from the cam gear 5 through the power steering rig pump gear 6. 51 is an intermediate gear.

【0011】21は前記ギヤケース3に形成された給油
ボスで、該給油ボス21内には油通路22が穿設されて
いる。前記油通路22はクランクケース1のメインギャ
ラリー(図示せず)に連通される油通路11及びバキュ
ームポンプ3のケース32に穿設された油通路に連通さ
れる。
Reference numeral 21 denotes an oil supply boss formed on the gear case 3, and an oil passage 22 is bored in the oil supply boss 21. The oil passage 22 is connected to the oil passage 11 that communicates with a main gallery (not shown) of the crankcase 1 and the oil passage that is formed in the case 32 of the vacuum pump 3.

【0012】従って、バキュームポンプへの潤滑油はク
ランクケース1の油通路11、ギヤケースの給油ボス2
1の油通路22及びバキュームポンプ3の油通路32と
いう、ケースの内部に形成された油通路のみを通って供
給されることとなり、従来のもののようなオイルパイプ
は不要となる。
Therefore, the lubricating oil to the vacuum pump is supplied to the oil passage 11 of the crankcase 1 and the oil supply boss 2 of the gear case.
Since the oil is supplied only through the oil passage 22 of No. 1 and the oil passage 32 of the vacuum pump 3, which are formed inside the case, the oil pipe unlike the conventional one is unnecessary.

【0013】前記給油ボス22には図3に示すように、
ギヤケース2とクランクケース1とを締め付ける制振ボ
ルト9が挿通される制振ボルトボス23が連設されてい
る。従って該制振ボルトボス23が給油ボス21の補強
ボスの役目も果たすこととなり、給油ボス21のクラン
クケース1とのシート面50の油のシールが確実になさ
れる。
As shown in FIG. 3, the refueling boss 22 is
A damping bolt boss 23 through which a damping bolt 9 for tightening the gear case 2 and the crankcase 1 is inserted is continuously provided. Therefore, the damping bolt boss 23 also serves as a reinforcing boss of the fuel supply boss 21, and the oil of the seat surface 50 with the crankcase 1 of the fuel supply boss 21 is reliably sealed.

【0014】前記のように構成された自動車用エンジン
において、クランクケース1内のメインギャラリー(図
示せず)から分岐された潤滑油はクランクケースの油通
路11からギヤケース2の給油ボス内油通路22を経
て、バキュームポンプ3の油通路32に流入し、バキュ
ームポンプ3内の所要潤滑箇所に送給される。
In the automobile engine configured as described above, the lubricating oil branched from the main gallery (not shown) in the crankcase 1 flows from the oil passage 11 of the crankcase to the oil passage 22 in the oil supply boss of the gearcase 2. After that, the oil flows into the oil passage 32 of the vacuum pump 3 and is fed to a required lubrication point in the vacuum pump 3.

【0015】この際において、給油ボス21に連設され
た制振ボルトボス23内に挿通される制振ボルト9によ
り、給油ボス21とクランクケース1とのシート面50
が高い面圧により締着されるので、該シート面50の油
シールが確実に行われ、該部からの潤滑油の漏洩は無
い。従って、前記シート面50のシール効果と相まっ
て、クランクケース1からバキュームポンプ3の内部に
至る油通路が、外部のオイルパイプを経ることなく、全
てケースの内部に設けられていることから、潤滑油の外
部への漏洩は確実に阻止されることとなる。
At this time, the seat surface 50 between the oil supply boss 21 and the crankcase 1 is moved by the vibration control bolt 9 which is inserted into the vibration control bolt boss 23 which is connected to the oil supply boss 21.
Is fastened by a high surface pressure, the oil sealing of the seat surface 50 is surely performed, and the lubricating oil does not leak from the portion. Therefore, in combination with the sealing effect of the seat surface 50, the oil passage extending from the crankcase 1 to the inside of the vacuum pump 3 is provided inside the case without passing through an external oil pipe. Will be reliably prevented from leaking to the outside.

【0016】[0016]

【発明の効果】本発明は以上のように構成されており、
本発明によれば、クランクケースからバキュームポンプ
への潤滑油路が全てケースの内部に形成されており、従
来のオイルパイプを通す構造のもののようにコネクタ部
が無いので潤滑油のエンジン振動等による漏洩の発生を
防止することができる。さらにギヤケースの給油ボスの
クランクケースへのシート面をこれに連設された制振ボ
ルトで締め付けるので、該シート面の油シールが確実に
なされ、該部からの潤滑油の漏洩も防止できる。
The present invention is configured as described above,
According to the present invention, all the lubricating oil passages from the crankcase to the vacuum pump are formed inside the case, and since there is no connector portion unlike the conventional oil pipe-passing structure, the lubricating oil causes vibrations of the engine. It is possible to prevent the occurrence of leakage. Furthermore, since the seat surface of the oil supply boss of the gear case to the crankcase is tightened by the damping bolts connected to the seat, the oil seal of the seat surface is ensured and the leakage of the lubricating oil from this portion can be prevented.

【0017】また、従来のもののように、エンジン外部
に設けられたオイルポンプ及びコネクタ類が不要となる
ので部品点数が減少し信頼性が高く低コストの潤滑装置
を提供することができる等の著しい効果を奏する。
Further, unlike the conventional one, the oil pump and the connectors provided outside the engine are not required, so that the number of parts is reduced and a highly reliable and low cost lubricating device can be provided. Produce an effect.

【図面の簡単な説明】[Brief description of drawings]

【図1】本発明の実施例に係る自動車用バキュームポン
プの潤滑装置の平面図(一部断面図)。
FIG. 1 is a plan view (partially sectional view) of a lubrication device for a vacuum pump for an automobile according to an embodiment of the present invention.

【図2】本発明の実施例に係る図1のII矢視図(外形
図)。
FIG. 2 is a view (outside view) taken along the arrow II in FIG. 1 according to the embodiment of the present invention.

【図3】本発明の実施例に係る図1の III−III 線断面
図。
FIG. 3 is a sectional view taken along line III-III of FIG. 1 according to the embodiment of the present invention.

【符号の説明】[Explanation of symbols]

1 クランクケース 2 ギヤケース 3 バキュームポンプ 4 パワーステアリグポンプ 5 カム歯車 6 パワーステアリングポンプ駆動歯車 7 バキュームポンプ駆動歯車 9 制振ボルト 11,22,32 油通路 21 給油ボス 23 制振ボルトボス 1 Crankcase 2 Gear Case 3 Vacuum Pump 4 Power Steering Pump 5 Cam Gear 6 Power Steering Pump Drive Gear 7 Vacuum Pump Drive Gear 9 Damping Bolt 11,22,32 Oil Passage 21 Oil Supply Boss 23 Damping Bolt Boss

Claims (1)

【特許請求の範囲】[Claims] 【請求項1】 エンジンのクランク軸により駆動される
バキュームポンプを備えたエンジンにおいて、前記バキ
ュームポンプをエンジンのギヤケースに装着し、該ギヤ
ケースに、バキュームポンプへの潤滑油が流過する油通
路が内設された給油ボス及びギヤケースの制振用ボルト
が挿通する制振ボルトボスを連設し、前記バキュームポ
ンプへの潤滑油を、クランクケース内部の油通路から前
記給油ボス内の油通路を経てバキュームポンプのケース
内部に導くように構成したことを特徴とするバキューム
ポンプの潤滑装置。
1. An engine provided with a vacuum pump driven by a crankshaft of the engine, wherein the vacuum pump is mounted in a gear case of the engine, and an oil passage through which lubricating oil flows to the vacuum pump is provided in the gear case. The oil supply boss provided and the vibration control bolt boss through which the vibration control bolt of the gear case is inserted are continuously provided, and the lubricating oil for the vacuum pump is supplied from the oil passage inside the crankcase through the oil passage inside the oil supply boss to the vacuum pump. A lubricating device for a vacuum pump, characterized in that it is configured so as to be guided inside the case.
JP5303540A 1993-11-09 1993-11-09 Vacuum pump lubrication device Expired - Fee Related JP2768244B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5303540A JP2768244B2 (en) 1993-11-09 1993-11-09 Vacuum pump lubrication device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5303540A JP2768244B2 (en) 1993-11-09 1993-11-09 Vacuum pump lubrication device

Publications (2)

Publication Number Publication Date
JPH07133710A true JPH07133710A (en) 1995-05-23
JP2768244B2 JP2768244B2 (en) 1998-06-25

Family

ID=17922230

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5303540A Expired - Fee Related JP2768244B2 (en) 1993-11-09 1993-11-09 Vacuum pump lubrication device

Country Status (1)

Country Link
JP (1) JP2768244B2 (en)

Also Published As

Publication number Publication date
JP2768244B2 (en) 1998-06-25

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