JP2016023704A5

JP2016023704A5 -

Info

Publication number: JP2016023704A5
Application number: JP2014147892A
Authority: JP
Filing date: 2014-07-18
Publication date: 2017-06-22

Description

更に好ましい形態では、前記弁体は樹脂製である。更に好ましい形態では、前記弁体は、前記流入ポートから該流入ポートに連通された流出ポートに流体を流すときは、前記連通された流出ポートとは異なる他の流出ポート側の前記弁室の壁面に密着せしめられ、前記他の流出ポート側の流体の圧力が前記弁室内の流体の圧力よりも高圧となったときは、前記他の流出ポート側の前記弁室の壁面から離間するようにされる。 In a more preferred embodiment, the valve body is made of resin. In a further preferred form, when the valve body flows fluid from the inflow port to the outflow port communicated with the inflow port, the wall surface of the valve chamber on the other outflow port side different from the communicated outflow port. When the pressure of the fluid on the other outflow port side becomes higher than the pressure of the fluid in the valve chamber, it is separated from the wall surface of the valve chamber on the other outflow port side. The

Claims

A cylindrical valve body;
A valve chamber in which the valve body is rotatably accommodated, an inflow port that opens from the valve chamber toward the rotational axis, and a plurality of outflow ports that open from the valve chamber in the radial direction The body,
A rotation drive device for rotating the valve body around a rotation axis in the valve chamber,
A flow path switching valve that communicates either the inflow port and the plurality of outflow ports through the internal space of the valve body by rotation of the valve body,
A flow path switching valve characterized in that the valve body is provided with a communication port that communicates the internal space of the valve body with any one of the plurality of outflow ports and extends to the end opening of the valve body. .

The flow path switching valve according to claim 1, wherein the communication port has a rectangular shape when viewed in the radial direction.

The flow path switching valve according to claim 1, wherein the plurality of outflow ports have a rectangular shape when viewed in a radial direction.

The flow path switching valve according to any one of claims 1 to 3, wherein the valve body is made of resin.

When the fluid flows from the inflow port to the outflow port communicated with the inflow port, the valve body is closely attached to the wall surface of the valve chamber on the other outflow port side different from the communicated outflow port, When the pressure of the fluid on the other outflow port side becomes higher than the pressure of the fluid in the valve chamber, the fluid is separated from the wall surface of the valve chamber on the other outflow port side. The flow path switching valve according to any one of claims 1 to 4.

The flow path switching valve according to any one of claims 1 to 5 , wherein an outer shape of the communication port is equal to or greater than an outer shape of the outflow port.

The flow path switching valve according to any one of claims 1 to 6 , wherein the valve chamber and the inflow port are formed to have the same diameter.