JPS62190885U

JPS62190885U -

Info

Publication number: JPS62190885U
Application number: JP7952886U
Authority: JP
Priority date: 1986-05-28
Filing date: 1986-05-28
Publication date: 1987-12-04

Description

[Brief explanation of drawings]

第１図は本考案の第１の実施例を示す側断面図
、第２図は第１図の要部を示す図、第３図は軸受
に形成された第１の実施例の凹陥部を示す側断面
図、第４図は第３図の平面図、第５図は第１の実
施例のスラスト受部材を示す側断面図、第６図は
第５図の平面図、第７図は軸受に形成された第２
の実施例の凹陥部を示す側断面図、第８図は第７
図の平面図、第９図は第２の実施例のスラスト受
部材を示す側断面図、第１０図は第９図の平面図
、第１１図は第９図の要部を示す図、第１２図は
第２の実施例におけるスラスト受部材の凹陥部へ
の装着状態を示す側断面図、第１３図は第３の実
施例のスラスト受部材を示す側断面図、第１４図
は第１３図の平面図、第１５図は第３の実施例に
おけるスラスト受部材の凹陥部への装着状態を示
す側断面図、第１６図は従来例を示す側断面図で
ある。図中、４は圧縮要素、７はクランクシヤフト、
８はシリンダ、１２は主軸受、１３は副軸受、１
６は内周壁、１７はコーナ部、１８は凹陥部、２
６は廻り止め機構、２８は保持機構である。 Fig. 1 is a side cross-sectional view showing the first embodiment of the present invention, Fig. 2 is a view showing the main parts of Fig. 1, and Fig. 3 shows a recess formed in the bearing of the first embodiment. 4 is a plan view of FIG. 3, FIG. 5 is a side sectional view showing the thrust receiving member of the first embodiment, FIG. 6 is a plan view of FIG. 5, and FIG. The second formed in the bearing
FIG. 8 is a side sectional view showing the recessed portion of the embodiment.
9 is a side sectional view showing the thrust receiving member of the second embodiment, FIG. 10 is a plan view of FIG. 9, FIG. 11 is a view showing the main parts of FIG. FIG. 12 is a side sectional view showing the thrust receiving member of the second embodiment attached to the recess, FIG. 13 is a side sectional view showing the thrust receiving member of the third embodiment, and FIG. 14 is the 13th embodiment. FIG. 15 is a side sectional view showing how the thrust receiving member is attached to the recess in the third embodiment, and FIG. 16 is a side sectional view showing a conventional example. In the figure, 4 is a compression element, 7 is a crankshaft,
8 is a cylinder, 12 is a main bearing, 13 is a sub bearing, 1
6 is an inner peripheral wall, 17 is a corner portion, 18 is a concave portion, 2
6 is a rotation stopping mechanism, and 28 is a holding mechanism.

Claims

[Scope of utility model registration request]

While sandwiching the cylinder to form a compression chamber,
In a bearing structure of a rotary compressor that is provided to pivotally support a crankshaft, a recess is formed along the circumferential direction at a cylinder-side corner of an inner circumferential wall of the bearing that pivotally supports the crankshaft, and the recess is A bearing structure for a rotary compressor, characterized in that a thrust bearing member having a rotation prevention mechanism and a holding mechanism is installed inside the bearing structure.