JPS62200893U

JPS62200893U -

Info

Publication number: JPS62200893U
Application number: JP9120986U
Authority: JP
Priority date: 1986-06-12
Filing date: 1986-06-12
Publication date: 1987-12-21

Description

[Brief explanation of the drawing]

第１図〜第３図は、この考案の一実施例による
グリース排出装置を示す断面側面図であり、第１
図は第１の管に第２、第３の管が挿入された図、
第２図は第１図の第３の管を引き出した図、第３
図は第１図の第２の管および第３の管を引き出し
た図、第４，５図は、従来のグリース排出装置を
示す断面側面図であり、第４図は第１の管に第２
の管が挿入された図、第５図は第４図の第２の管
が引出された図である。図において、１は軸受ハウジング、２はグリー
ス排出装置の第１の管である外管、３は溜つたグ
リースを外部へ排出するための第２の管であるグ
リース受管、５はピストンの役目をする第３管で
ある内管、６は管内を密閉するためのゴムパツキ
ン、４はグリースである。図中、同一符号は同一
又は相当部分を示す。 1 to 3 are cross-sectional side views showing a grease discharge device according to an embodiment of this invention, and FIG.
The figure shows the second and third tubes inserted into the first tube,
Figure 2 is a view of Figure 1 with the third tube pulled out.
The figure shows the second and third pipes in Figure 1 pulled out, Figures 4 and 5 are cross-sectional side views showing a conventional grease discharge device, and Figure 4 shows the first pipe and 2
FIG. 5 is a view with the second tube of FIG. 4 pulled out. In the figure, 1 is a bearing housing, 2 is an outer pipe which is the first pipe of the grease discharge device, 3 is a grease receiving pipe which is a second pipe for discharging accumulated grease to the outside, and 5 is a piston. 6 is a rubber gasket for sealing the inside of the tube, and 4 is grease. In the figures, the same reference numerals indicate the same or corresponding parts.

Claims

[Scope of utility model registration request]

A first pipe that communicates with the inside of the bearing housing, a second pipe that is inserted into the inner peripheral part of the first pipe and can be freely pulled out and maintained airtight between it and the outer peripheral part of the second pipe; a third pipe which is inserted into the inner peripheral part and which can be freely drawn out and has an airtightness maintained between it and the outer peripheral part, and has an air hole that communicates with the inside of the bearing housing and communicates with the atmosphere; A grease discharge device characterized in that when the pipe is pulled out, the air hole is closed to lower the air pressure inside the pipe.