JPS6124598U - distribution valve - Google Patents

Abstract

(57) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of the drawing]

Fig. 1 is a vertical sectional view showing the general structure of one embodiment of this invention, and Fig. 2 shows the general structure of another embodiment in which two distribution valves of the embodiment of Fig. 1 are installed in series. 3 is a circuit diagram showing the piping state of a single-pipe progressive type central lubrication system, and FIG. 4 is a vertical sectional view showing an example of a distribution valve for a conventional reversible progressive type central lubrication system. . j...Main body, 2a, 2b...Connection port, 3at3b/
...Oil filler port, 4...Spool, 5...Inner hole, 6a,
6b... Three-way check valve, a, 7b... Lip part, 8a
, 8b... Poppet valve part, 9... Passage, 9a, 9b
···non-return valve.

Claims (1)

[Scope of utility model registration request] An inner hole for slidably accommodating the main body number spool, and a connection port connected to the lubricating oil main pipe and an oil filler port connected to the lubricating part are provided corresponding to both ends of the inner hole, respectively, and the connection port and the oil filler port are provided. and the end of the inner hole, each of which has a three-way check valve interposed therebetween, and the three-way check valve has a check valve function in which the direction from the connection port to the end of the corresponding inner hole is the forward direction; a poppet valve portion that closes a corresponding oil filler port when oil flows forward through the lip portion, and a passageway that opens into the inner hole when the spool reaches the end of the inner hole; A distribution valve characterized in that a connection port is connected to each of the connection ports via a check valve.