JPH0166480U - - Google Patents

Description

[Brief explanation of drawings]

1 shows a side sectional view of a piston 1 and a cylinder body 2 of a compressor as an embodiment of the present invention, FIG. 2 shows a sectional view of FIG. 1, and FIG. shows another example of the good sectional view in FIG. 1, and FIG.
1 shows a side sectional view of a conventional compressor. The symbols used in the examples are as follows. 1: Piston, 1a: Oil sump, 1b: Hole, 2
: cylinder body, 2a: cylinder, 2b: perforation, 3
: Swash plate, 4: Ball, 5: Shu, 6: Thrust bearing, 7: Drive shaft.

Claims (1)

[Claims for Utility Model Registration] 1. A drive shaft is axially supported in the radial center of a fixed cylinder body, a swash plate is fitted to the drive shaft, and the drive shaft in the cylinder body is A plurality of cylinders are bored in the axial direction in the enclosing state, a piston is fitted into each of the cylinders so as to be able to slide in the axial direction, and a piston is fitted into a space at the center of the piston in the axial direction. encloses the swash plate, and between the swash plate and the piston in the axial direction,
In the above structure in which a shoe and a ball are interposed, a hole is provided in the cylinder body in the axial direction of the cylinder and in the radial direction for lubricating oil to flow out, and the ball in the piston is interposed. The compressor having the above structure, wherein an oil passage is provided at an axial position extending from the outer circumferential portion of the piston toward the space portion that sandwiches the ball. 2. The oil passage has a structure in which a groove-shaped oil reservoir is provided on the outer periphery of the piston, and a hole is drilled from the oil reservoir toward the space where the ball is inserted.Registered as a utility model. A compressor according to claim 1.