JPH0462296U

JPH0462296U -

Info

Publication number: JPH0462296U
Application number: JP10649590U
Authority: JP
Priority date: 1990-10-09
Filing date: 1990-10-09
Publication date: 1992-05-28
Anticipated expiration: 2005-10-09
Also published as: JP2542418Y2

Description

[Brief explanation of the drawing]

第１図は本考案によるドライブシヤフト用軸受
支持構造の一実施例を示す縦断面図、第２図は第
１図の軸受支持構造を備えた小型滑走艇を例示す
る縦断面図、第３図は第２図の小型滑走艇の外観
斜視図、第４図は第３図の平面図、第５図は第１
図中のケースおよび船体後部を示す分解斜視図、
第６図は第５図中のケースを後方から見た斜視図
、第７図は本考案の他の実施例によるドライブシ
ヤフト用軸受支持構造を備えた小型滑走艇のデツ
キを取り外した状態を模式的に示す斜視図、第８
図は第７図中のドライブシヤフト用軸受支持構造
の縦断面図である。以下に、図面中の主要な構成部分を表す符号を
列挙する。１……船体、２……デツキ、３……ハ
ル、５……シート、１０……エンジン、１１……
ドライブシヤフト、１２……推進機（ジエツトポ
ンプ）、１５……ステアリングハンドル、２５，
２６……バルクヘツド、１８……エンジンルーム
、２１……ダクト部分（ハル）、２３……ポンプ
室、２４……ケース（軸受装置支持用）、３１…
…シヤフトカバー嵌合孔、３２……シヤフトカバ
ー部、３３，３４……接着剤、３５……接着代、
３６……軸受装置、３７……ボルト、ナツト（軸
受装置取り付け用）、４５……孔（軸受装置取り
付け用）、６０……バルクヘツド、６１……接着
剤。 FIG. 1 is a longitudinal sectional view showing an embodiment of the bearing support structure for a drive shaft according to the present invention, FIG. 2 is a longitudinal sectional view illustrating a small personal watercraft equipped with the bearing support structure of FIG. 1, and FIG. is an external perspective view of the small personal watercraft shown in Figure 2, Figure 4 is a plan view of Figure 3, and Figure 5 is a perspective view of the small personal watercraft shown in Figure 1.
An exploded perspective view showing the case and rear part of the hull shown in the figure.
Fig. 6 is a perspective view of the case shown in Fig. 5 viewed from the rear, and Fig. 7 is a schematic diagram of a small personal watercraft equipped with a drive shaft bearing support structure according to another embodiment of the present invention with the deck removed. Perspective view shown in Figure 8.
This figure is a longitudinal sectional view of the drive shaft bearing support structure in FIG. 7. Below, symbols representing main components in the drawings are listed. 1...Hull, 2...Deck, 3...Hull, 5...Seat, 10...Engine, 11...
Drive shaft, 12... Propulsion device (jet pump), 15... Steering handle, 25,
26... Bulkhead, 18... Engine room, 21... Duct part (hull), 23... Pump chamber, 24... Case (for bearing device support), 31...
... Shaft cover fitting hole, 32 ... Shaft cover part, 33, 34 ... Adhesive, 35 ... Adhesive allowance,
36... Bearing device, 37... Bolt, nut (for mounting the bearing device), 45... Hole (for mounting the bearing device), 60... Bulkhead, 61... Adhesive.

Claims

[Scope of Claim for Utility Model Registration] (1) In a small personal watercraft that has an engine mounted inside the hull and drives a propulsion machine installed at the rear of the hull via a drive shaft extending from the engine, a shaft cover fitting hole is provided in the hull. A case integrally formed with a cylindrical shaft cover is fixed inside the hull with the shaft cover part and the fitting hole fitted and bonded, and the drive shaft A bearing support structure for a drive shaft, characterized in that a bearing device for supporting the shaft is fixed to the case. (2) In a small personal watercraft that has an engine mounted inside the hull and drives a propulsion machine installed at the rear of the hull via a drive shaft extending from the engine, a shaft cover fitting hole is formed in the hull and a cylindrical shaft cover is used. The bulkhead is integrally formed with
The shaft cover part and the fitting hole are fitted and bonded together and fixed inside the hull, and further, a bearing device for pivotally supporting the drive shaft is fixed to the bulkhead. Bearing support structure for drive shafts.