JPH0396480U

JPH0396480U -

Info

Publication number: JPH0396480U
Application number: JP498690U
Authority: JP
Priority date: 1990-01-23
Filing date: 1990-01-23
Publication date: 1991-10-02
Anticipated expiration: 2005-01-23
Also published as: JPH0746849Y2

Description

[Brief explanation of drawings]

第１図は本考案実施例エアリレーバルブのブレ
ーキ不作動時の中央縦断面図。第２図はそのブレ
ーキ作動時の中央縦断面図。１０……エアリレーバルブ、１１……ボデー、
１２……入力ポート、１３……高圧エア流入ポー
ト、１４……高圧エア流出ポート、１５……排気
ポート、１６……ピストン、１７……バルブシー
ト、２２……切換バルブ、２３，２７……スプリ
ング、２６……排気バルブ。 FIG. 1 is a central vertical sectional view of the air relay valve according to the embodiment of the present invention when the brake is not activated. Fig. 2 is a central vertical sectional view when the brake is activated. 10...Air relay valve, 11...Body,
12...Input port, 13...High pressure air inflow port, 14...High pressure air outflow port, 15...Exhaust port, 16...Piston, 17...Valve seat, 22...Switching valve, 23, 27... Spring, 26...exhaust valve.

Claims

[Scope of Claim for Utility Model Registration] A body having a pilot air inflow chamber communicating with an input port, a high pressure air inflow chamber communicating with a high pressure air inflow port, and a high pressure air outflow chamber communicating with a high pressure air outlet port and an exhaust port, respectively; a piston that shuts off an air inflow chamber and the high pressure air inflow chamber and slides; a piston that is provided inside the body at a boundary between the high pressure air inflow chamber and the high pressure air outflow chamber, and has a seat surface on the opposite side of the piston; a valve seat connected to the piston, provided in the body so as to be seatable on the seat surface, and blocking the high pressure air inflow chamber and the high pressure air outflow chamber when seated on the valve seat; a switching valve that communicates the high-pressure air inflow chamber and the high-pressure air outflow chamber when separated from the valve seat, and expands to press the switching valve against the valve seat when pilot air does not flow into the pilot air inflow chamber; a spring that is compressed to separate the switching valve from the valve seat when pilot air flows in; and a spring that is moored to the switching valve in the high-pressure air outflow chamber and that is moored to the switching valve when the switching valve is seated on the valve seat; An air relay valve comprising an exhaust valve that opens a port and closes the exhaust port when the exhaust port is separated from the valve seat.