JPH0444506U

JPH0444506U -

Info

Publication number: JPH0444506U
Application number: JP8627490U
Authority: JP
Priority date: 1990-08-15
Filing date: 1990-08-15
Publication date: 1992-04-15

Description

[Brief explanation of drawings]

第１図は本考案によるクツシヨン機構を示す断
面図、第２図は第１図のＡ−Ａ線断面図、第３図
は第１図のＢ−Ｂ線断面図、第４図は従来のクツ
シヨン機構を示す断面図、第５図は第４図のＸ矢
視図、第６図は第４図のＹ−Ｙ線断面図、第７図
は第４図のＺ−Ｚ線断面図、第８図はクツシヨン
ストロークとクツシヨン圧との関係を示す圧力線
図、第９図はクツシヨンリングの変形を示す図、
第１０図はクツシヨンリングの摩耗を示す図であ
る。１……本体、４……ピストン、５……クツシヨ
ンリング、６……クツシヨン筒、７……クツシヨ
ン溝。 Fig. 1 is a sectional view showing the cushion mechanism according to the present invention, Fig. 2 is a sectional view taken along the line A-A in Fig. 1, Fig. 3 is a sectional view taken along the line B-B in Fig. 1, and Fig. 4 is a sectional view showing the cushion mechanism according to the present invention. 5 is a sectional view taken along the X-arrow in FIG. 4, FIG. 6 is a sectional view taken along the Y-Y line in FIG. 4, and FIG. 7 is a sectional view taken along the Z-Z line in FIG. 4. Figure 8 is a pressure diagram showing the relationship between cushion stroke and cushion pressure, Figure 9 is a diagram showing deformation of the cushion ring,
FIG. 10 is a diagram showing wear of the cushion ring. 1...Main body, 4...Piston, 5...Cushion ring, 6...Cushion tube, 7...Cushion groove.

Claims

[Scope of utility model registration request]

When the piston approaches the end of its stroke,
In a cushion mechanism in which a cushion ring attached to the piston side slides into a cushion cylinder formed on the main body side, a cushion groove is provided to suppress the amount of oil discharged as the piston moves after sliding. A cushion mechanism for a hydraulic cylinder, characterized in that the cushion mechanism is formed on the inner surface of the cushion cylinder.