JPH0342840U

JPH0342840U -

Info

Publication number: JPH0342840U
Application number: JP10254289U
Authority: JP
Priority date: 1989-08-30
Filing date: 1989-08-30
Publication date: 1991-04-23

Description

[Brief explanation of drawings]

第１図は本考案にかかる作業機ピンのグリース
たれ防止カツプの一実施例を示す正面の断面図、
第２図は第１図の片側の外観を示す斜視図、第３
図は本考案が適用されるパワーシヨベル等の建設
車両の側面図、第４図は従来の不具合を示す作業
機ピン部分の斜視図、第５図は従来の不具合の一
例を示す説明図である。１……ロツド取り付け部、２……ブーム、３…
…ピン支持部、４……ピン、５……シリンダ、５
ａ……ロツド、６……軸受、７……カツプ、７ａ
……一側、７ｂ……他側、８……逃がし穴、９…
…切り欠、１０……ゴムシール、１８……溝。 FIG. 1 is a front sectional view showing an embodiment of a grease drip prevention cup for a working machine pin according to the present invention;
Figure 2 is a perspective view showing the appearance of one side of Figure 1;
The figure is a side view of a construction vehicle such as a power shovel to which the present invention is applied, FIG. 4 is a perspective view of a working machine pin portion showing a conventional problem, and FIG. 5 is an explanatory view showing an example of a conventional problem. 1...Rod attachment part, 2...Boom, 3...
...Pin support part, 4...Pin, 5...Cylinder, 5
a...Rod, 6...Bearing, 7...Cup, 7a
...One side, 7b...Other side, 8...Escape hole, 9...
...Notch, 10...Rubber seal, 18...Groove.

Claims

[Scope of utility model registration request]

At the rod attachment part where the rod tip of the boom cylinder can freely rotate around the pin via a bearing, the cup that covers this attachment part is attached to a pin supported by the pin support part on the boom side of a power shovel, etc. It is formed into a cylindrical shape with one side sealed and the other side open, and the other side is attached to the pin support part, and the cup is coated with grease at a position directly below when the boom is lowered and both ends are almost horizontal. A grease drip prevention cup for a working machine pin, characterized in that it has an escape hole and a notch for passing the rod through from the other side, and the notch is closed with a rubber seal after the rod is inserted.