JPH0238127Y2 - - Google Patents
Info
- Publication number
- JPH0238127Y2 JPH0238127Y2 JP1984147570U JP14757084U JPH0238127Y2 JP H0238127 Y2 JPH0238127 Y2 JP H0238127Y2 JP 1984147570 U JP1984147570 U JP 1984147570U JP 14757084 U JP14757084 U JP 14757084U JP H0238127 Y2 JPH0238127 Y2 JP H0238127Y2
- Authority
- JP
- Japan
- Prior art keywords
- gear case
- magnet
- propeller shaft
- bearing housing
- shaft bearing
- 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
- 238000003780 insertion Methods 0.000 claims description 6
- 230000037431 insertion Effects 0.000 claims description 6
- 239000010687 lubricating oil Substances 0.000 description 9
- 239000006249 magnetic particle Substances 0.000 description 9
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 238000007796 conventional method Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000006247 magnetic powder Substances 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
Description
【考案の詳細な説明】
〔考案の目的〕
（産業上の利用分野）
この考案は船外機のギヤケースに係り、特に潤
滑油内の鉄粉等磁性不純物を除去するようにした
船外機のギヤケースに関する。[Detailed explanation of the invention] [Purpose of the invention] (Field of industrial application) This invention relates to the gear case of outboard motors, and in particular, to the gear case of outboard motors that removes magnetic impurities such as iron powder from lubricating oil. Regarding gear cases.
（従来の技術）
船外機は、第２図に示すように、ドライブシヤ
フトハウジング１の上部にエンジン２が搭載さ
れ、同ハウジング１の下部にギヤケース３が結合
されている。(Prior Art) As shown in FIG. 2, an outboard motor has an engine 2 mounted on the upper part of a drive shaft housing 1, and a gear case 3 connected to the lower part of the housing 1.
このギヤケース３内には、第３図示のように駆
動切換装置が内装されている。この切換装置は、
シフトロツド４の操作により昇降するシフトカム
５に追従してプロペラシヤフト６上のドツグ７を
移動させ、このドツグ７をドライブギヤ８に常時
噛合うフオワードギヤ９またはリバースギヤ１０
に選択的に係合して、プロペラシヤフト６を正
転、逆転、または中立として船体を推進させる構
造となつている。 A drive switching device is installed inside the gear case 3 as shown in the third figure. This switching device is
A forward gear 9 or a reverse gear 10 moves a dog 7 on a propeller shaft 6 to follow a shift cam 5 that is raised and lowered by operating a shift rod 4, and constantly meshes this dog 7 with a drive gear 8.
The structure is such that the propeller shaft 6 is selectively engaged with the propeller shaft 6 in normal rotation, reverse rotation, or neutral rotation to propel the ship.
上記ギヤケース３内には各回転部分を潤滑する
潤滑油が充填されているが、この潤滑油中に鉄粉
等の磁性粉粒物が混入すると回転部分に入り込ん
で摩耗を早めることになる。 The gear case 3 is filled with lubricating oil that lubricates each rotating part, but if magnetic particles such as iron powder are mixed into this lubricating oil, they will get into the rotating parts and accelerate wear.
そこで従来から、ギヤケース３内にマグネツト
１１を内設し、このマグネツト１１に磁性粉粒物
を吸着させ、定期的にマグネツト１１を取出して
磁性粉粒物を除去するようにしている。 Conventionally, therefore, a magnet 11 is installed inside the gear case 3, magnetic particles are attracted to the magnet 11, and the magnet 11 is periodically taken out to remove the magnetic particles.
（考案が解決しようとする課題）
ところで従来のマグネツト１１は、第３図に示
すように、前記駆動切換装置の一部であるシフト
ロツド４にマグネツトホルダ１２を介して取付け
られた構成であるため、マグネツト１１に吸着さ
れた磁性粉粒物を除去する際にマグネツト１１を
取出すとき、ギヤケース３をドライブシヤフトハ
ウジング１から取外したうえでないと取出すこと
ができず、したがつてマグネツト１１を定期的に
取出して清掃し潤滑油を常に清浄に保つためのメ
ンテナンスには多くの労力を要するという問題が
あつた。(Problems to be Solved by the Invention) By the way, as shown in FIG. 3, the conventional magnet 11 is attached to the shift rod 4, which is a part of the drive switching device, via a magnet holder 12. , when removing the magnet 11 to remove magnetic particles that have been attracted to the magnet 11, the gear case 3 must be removed from the drive shaft housing 1 before the magnet 11 can be removed. Therefore, the magnet 11 must be removed periodically. There was a problem in that a lot of effort was required for maintenance to take out and clean the lubricating oil and to keep the lubricating oil clean at all times.
この考案は上記従来技術の問題点に着目し、こ
れを改善することを目的とするもので、マグネツ
トの取出しが容易で、磁性粉粒物の除去を容易と
し、潤滑油の寿命を大巾に延長することができる
船外機のギヤケースを提供するものである。 This invention focuses on the problems of the above-mentioned conventional technology and aims to improve them by making it easier to take out the magnet, making it easier to remove magnetic particles, and greatly extending the life of the lubricating oil. This provides an extendable outboard motor gear case.
（課題を解決するための手段）
上述した課題を解決するために、この考案は、
ドライブシヤフトハウジングの上部にエンジンを
搭載し、上記ハウジングの下部にプロペラを有す
るギヤケースを結合してこのギヤケース内の駆動
切換装置を通じエンジンの回転をプロペラに伝達
し、船体を推進させる船外機において、前記ギヤ
ケース内にプロペラシヤフト軸受ハウジングを外
部から挿脱可能に設け、このプロペラシヤフト軸
受ハウジングの挿入側端面に収納溝を形成し、こ
の収納溝に駆動切換装置側に面するようにマグネ
ツトを配設したものである。
(Means for solving the problem) In order to solve the above-mentioned problem, this invention
In an outboard motor, an engine is mounted on the upper part of a drive shaft housing, a gear case having a propeller is coupled to the lower part of the housing, and the rotation of the engine is transmitted to the propeller through a drive switching device in the gear case to propel the boat. A propeller shaft bearing housing is provided in the gear case so as to be insertable and removable from the outside, a storage groove is formed on the insertion side end surface of the propeller shaft bearing housing, and a magnet is arranged in the storage groove so as to face the drive switching device side. This is what I did.
（作用）
この船外機のギヤケースは、プロペラシヤフト
軸受ハウジングをギヤケース内に挿脱可能に設
け、この軸受ハウジングの挿入側端面に形成され
る収納溝に、駆動切換装置側に面するようにマグ
ネツトを配設したので、プロペラシヤフト軸受ハ
ウジングをギヤケースから引き抜くだけで、従来
のようにギヤケースを分解したり外すことなくマ
グネツトのクリーニングができ、このため、例え
ば潤滑油の交換の都度、プロペラシヤフト軸受ハ
ウジングを取り出すことで、磁性粉粒物を容易に
取り出すことができ、メンテナンスが容易で整備
性を向上させることができる。(Function) The gear case of this outboard motor is provided with a propeller shaft bearing housing that can be inserted into and removed from the gear case, and a magnet is placed in a storage groove formed on the insertion side end surface of the bearing housing so as to face the drive switching device side. By simply pulling out the propeller shaft bearing housing from the gear case, the magnet can be cleaned without disassembling or removing the gear case as in conventional methods.For example, each time the lubricating oil is replaced, the propeller shaft bearing housing can be cleaned. By taking out the magnetic powder, the magnetic particles can be easily taken out, and maintenance can be facilitated and maintainability can be improved.
（実施例）
以下この考案の実施例を第１図により第３図と
共通する部材には同符号を付して説明する。(Embodiment) An embodiment of this invention will be described below with reference to FIG. 1, in which the same reference numerals are given to the same parts as in FIG. 3.
ギヤケース３内に挿通するプロペラシヤフト６
に外嵌され、リバースギヤ１０のベアリング１３
が圧入されるプロペラシヤフト軸受ハウジング１
４の挿入側端面にリング状の収納溝１５が形成さ
れ、この収納溝１５内に、ギヤケース３内に内装
された駆動切換装置側に面してリング状のマグネ
ツト１６が嵌合保持されている。なお、このマグ
ネツト１６は必ずしもリング状とせずともよく、
他にセクタ状等適宜な形状とすることができる。 Propeller shaft 6 inserted into gear case 3
The bearing 13 of the reverse gear 10
Propeller shaft bearing housing 1 into which is press-fitted
A ring-shaped storage groove 15 is formed on the insertion side end surface of the gear case 3, and a ring-shaped magnet 16 is fitted and held in the storage groove 15 facing the drive switching device installed inside the gear case 3. . Note that this magnet 16 does not necessarily have to be ring-shaped,
In addition, it can be made into an appropriate shape such as a sector shape.
上記プロペラシヤフト軸受ハウジング１４は、
ギヤケース３の後側から挿入され、ボルト１７，
１７でギヤケース３に外部から挿脱可能に固定さ
れている。 The propeller shaft bearing housing 14 is
The bolt 17 is inserted from the rear side of the gear case 3,
At 17, it is fixed to the gear case 3 so that it can be inserted and removed from the outside.
したがつてこのボルト１７，１７を外し、プロ
ペラシヤフト軸受ハウジング１４を抜き出せば、
ギヤケース３全体を取外すことなく簡単にマグネ
ツト１６の吸着面を露出させることができ、鉄粉
等の磁性粉粒物の除去ができる。 Therefore, if you remove these bolts 17, 17 and pull out the propeller shaft bearing housing 14,
The attraction surface of the magnet 16 can be easily exposed without removing the entire gear case 3, and magnetic particles such as iron powder can be removed.
以上のようにこの考案は、ギヤケース内にプロ
ペラシヤフト軸受ハウジングを外部から挿脱可能
に設け、このプロペラシヤフト軸受ハウジングの
挿入側端面に収納溝を形成し、この収納溝に駆動
切換装置側に面するようにマグネツトを配設した
ので、マグネツトに吸着した磁性粉粒物の除去に
際し従来のようにいちいちギヤケースを分解した
り、外すことなくプロペラシヤフト軸受ハウジン
グを抜出すことで既存の着脱部材であるプロペラ
シヤフト軸受ハウジングを積極的に利用したマグ
ネツトの取着構造とすることができ、マグネツト
のクリーニングができ、そのため例えば潤滑油の
交換の都度磁性粉粒物を容易に取り去ることがで
きて整備性が向上し、メンテナンスが著しく容易
になり、その分潤滑油の寿命も大巾に延長するこ
とができる。
As described above, this invention provides a propeller shaft bearing housing that can be inserted and removed from the outside in a gear case, a storage groove is formed on the insertion side end surface of this propeller shaft bearing housing, and a storage groove is formed in the insertion side end surface of the propeller shaft bearing housing, and a surface facing the drive switching device side is formed in this storage groove. Since the magnet is arranged in such a way, when removing magnetic particles that have been attracted to the magnet, the propeller shaft bearing housing can be pulled out without having to disassemble or remove the gear case one by one as in the conventional method. The magnet mounting structure makes active use of the propeller shaft bearing housing, and the magnet can be cleaned. Therefore, for example, magnetic particles can be easily removed each time the lubricating oil is replaced, improving maintainability. This makes maintenance much easier, and the life of the lubricating oil can be extended accordingly.
第１図はこの考案の一実施例を示す断面図、第
２図はこの考案を適用する船外機の一例を示す側
面図、第３図は従来例の断面図である。
１……ドライブシヤフトハウジング、２……エ
ンジン、３……ギヤケース、４……シフトロツ
ド、５……シフトカム、６……プロペラシヤフ
ト、８……ドライブギヤ、９……フオワードギ
ヤ、１０……リバースギヤ、１１，１６……マグ
ネツト、１４……プロペラシヤフト軸受ハウジン
グ。
FIG. 1 is a sectional view showing an embodiment of this invention, FIG. 2 is a side view showing an example of an outboard motor to which this invention is applied, and FIG. 3 is a sectional view of a conventional example. 1... Drive shaft housing, 2... Engine, 3... Gear case, 4... Shift rod, 5... Shift cam, 6... Propeller shaft, 8... Drive gear, 9... Forward gear, 10... Reverse gear, 11, 16...Magnet, 14...Propeller shaft bearing housing.
Claims (1)
を搭載し、上記ハウジングの下部にプロペラを有
するギヤケースを結合してこのギヤケース内の駆
動切換装置を通じエンジンの回転をプロペラに伝
達し、船体を推進させる船外機において、前記ギ
ヤケース内にプロペラシヤフト軸受ハウジングを
外部から挿脱可能に設け、このプロペラシヤフト
軸受ハウジングの挿入側端面に収納溝を形成し、
この収納溝に駆動切換装置側に面するようにマグ
ネツトを配設したことを特徴とする船外機のギヤ
ケース。 In an outboard motor, an engine is mounted on the upper part of a drive shaft housing, a gear case having a propeller is coupled to the lower part of the housing, and the rotation of the engine is transmitted to the propeller through a drive switching device in the gear case to propel the boat. A propeller shaft bearing housing is provided in the gear case so as to be insertable and removable from the outside, and a storage groove is formed on an insertion side end surface of the propeller shaft bearing housing,
A gear case for an outboard motor, characterized in that a magnet is arranged in this storage groove so as to face the drive switching device side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1984147570U JPH0238127Y2 (en) | 1984-09-30 | 1984-09-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1984147570U JPH0238127Y2 (en) | 1984-09-30 | 1984-09-30 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6163068U JPS6163068U (en) | 1986-04-28 |
| JPH0238127Y2 true JPH0238127Y2 (en) | 1990-10-15 |
Family
ID=30705796
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1984147570U Expired JPH0238127Y2 (en) | 1984-09-30 | 1984-09-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0238127Y2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5723756B2 (en) * | 2011-11-22 | 2015-05-27 | 本田技研工業株式会社 | Outboard motor |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5093611U (en) * | 1973-12-27 | 1975-08-06 | ||
| JPS5256183U (en) * | 1975-10-21 | 1977-04-22 | ||
| JPS5268779U (en) * | 1975-11-18 | 1977-05-21 | ||
| JPS5623560Y2 (en) * | 1976-06-18 | 1981-06-03 |
-
1984
- 1984-09-30 JP JP1984147570U patent/JPH0238127Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6163068U (en) | 1986-04-28 |
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