JPH0319410U

JPH0319410U -

Info

Publication number: JPH0319410U
Application number: JP8018189U
Authority: JP
Priority date: 1989-07-07
Filing date: 1989-07-07
Publication date: 1991-02-26

Description

[Brief explanation of drawings]

第１図〜第６図は本考案の実施例を示し、第１
図は縦型空冷頭上弁ガソリンエンジンの背面図、
第２図は同エンジンの平面図、第３図はオイルス
イツチの縦断面図、第４図は同エンジンの横断底
面図、第５図は操作パネルの正面図、第６図は同
パネルの右側面図、第７図は従来技術を示す潤滑
異常警報装置の概略説明図である。１……強制空冷装置、２……圧送式潤滑装置、
３……潤滑異常警報装置、５……フアンケース、
６……シリンダ、７……シリンダヘツド、８……
オイルパン、１０……潤滑ポンプ、１１……リリ
ーフ弁、１２……吐出路、１３……導油路、１４
……クランクピン、１５……コンロツド大端部、
１６……１４と１５との嵌合面１６、１７……ク
ランクケース、１８……クランクケース蓋、１９
……１８の一側下方寄り部分、２０……クランク
軸、２１……軸受ボス、２２……１２の下端部、
２３……潤滑異常検出器、２４……警報器、２５
……１８の一側面、２６……吐出圧導出路、２７
……検出器取り付け部、Ｅ……強制空冷エンジン
。 Figures 1 to 6 show embodiments of the present invention;
The figure shows a rear view of a vertical air-cooled overhead valve gasoline engine.
Figure 2 is a plan view of the engine, Figure 3 is a vertical sectional view of the oil switch, Figure 4 is a cross-sectional bottom view of the engine, Figure 5 is a front view of the operation panel, and Figure 6 is the right side of the panel. The top view and FIG. 7 are schematic explanatory diagrams of a lubrication abnormality warning device showing the prior art. 1... Forced air cooling device, 2... Pressure feed type lubrication device,
3...Lubrication abnormality alarm device, 5...Fan case,
6...Cylinder, 7...Cylinder head, 8...
Oil pan, 10... Lubricating pump, 11... Relief valve, 12... Discharge path, 13... Oil guide path, 14
...Crank pin, 15...Conrod big end,
16... Fitting surface between 14 and 15 16, 17... Crank case, 18... Crank case lid, 19
...One side lower part of 18, 20...Crankshaft, 21...Bearing boss, 22...Lower end of 12,
23...Lubrication abnormality detector, 24...Alarm, 25
...One side of 18, 26...Discharge pressure outlet path, 27
...Detector mounting part, E...Forced air-cooled engine.

Claims

[Scope of Claim for Utility Model Registration] An air-cooled engine E is provided with a forced air cooling device 1, a pressure-feeding lubrication device 2, and a lubrication abnormality alarm device 3. The pressure-feed lubricating device 2 is configured to guide the oil into the cylinder 6 and cylinder head 7, and pressurizes the oil in the oil pan 8 with a lubricating pump 10, regulates the pressure with a relief valve 11, and pressurizes the oil in the oil pan 8 with a relief valve 11. The fitting surface 1 between the crank pin 14 and connecting rod big end 15
The lubricating pump 10 is configured to pump the lubricant between the crankcase 17 and the lower portion 19 of one side of the crankcase lid 18 fixed to the crankcase 17.
The discharge passage 12 is formed within the wall of the crankcase lid 18 from the one side portion 19 of the lubricating pump 10 to the bearing boss 21 of the crankshaft 20,
The relief valve 11 is provided in communication with the lower end 22 of the discharge passage 12, the oil guide passage 13 is formed inside the crankshaft 20, the lubrication abnormality alarm device 3 detects lubrication abnormality with a lubrication abnormality detector 23, In a lubrication abnormality warning device for a pressure-feeding lubrication system for a forced air-cooled engine configured to issue an alarm using an alarm 24, a discharge pressure derivation path 26 is connected between an intermediate portion of the discharge path 12 and one side 25 of the crankcase lid 18. A detector attachment part 27 is formed near the end of the discharge pressure outlet path 26 on one side 25 of the crankcase lid 18, and an oil switch is used as the lubrication abnormality detector 23, and the oil switch 23 is attached to the detector attachment part. 27
installed in the hydraulic operating chamber 2 of the oil switch 23.
8 is communicated with the discharge passage 12 via the discharge pressure derivation passage 26. A lubrication abnormality alarm device for a pressure-feed type lubrication system for a forced air-cooled engine.