Patent ID: 9746086
Date: 2017-08-29
CPC Classifications: F16K

Claim:
1. A two-input and two-output valve core structure, comprising: a hood-shape outer shell, and a sway arm sleeve, a sway arm, a movable porcelain plate, and a fixed porcelain plate disposed therein; wherein the hood-shape outer shell is provided with an upper passage port and a lower passage port; the movable porcelain plate includes a detachable upper movable plate, a detachable lower movable porcelain plate, a first sinking hole disposed in a central portion on a lower surface of the lower movable porcelain plate, a section of arc-shape sinking hole provided on a side of the first sinking hole; the fixed porcelain plate includes a detachable upper fixed porcelain plate and a detachable lower fixed plate, four through hole channels provided on the lower fixed plate, four second sinking holes corresponding to the four through hole channels are provided on a lower surface of the upper fixed porcelain plate, and four penetrating holes disposed on the upper surface of the upper fixed porcelain plate in communication with the four second sinking holes respectively; and the sway arm having its middle section hinged onto the sway arm sleeve, an upper sway head of the sway arm is protruded out of the upper passage port of the hood-shape outer shell, while a lower sway head of the sway arm is extended into an upper opening of the upper movable plate, wherein the four penetrating holes on an upper surface of the upper fixed porcelain plate include a central penetrating hole, a first arc-shape penetrating hole, a second arc-shape penetrating hole, and a third arc-shape penetrating hole; wherein, the central penetrating hole communicates with one of the four through hole channels through one of the four second sinking holes, while the arc-shape sinking hole and the first arc-shape penetrating hole communicate with one of the four through hole channels through one of the second sinking holes; the second and the third arc-shape penetrating holes communicate with two of the four through hole channels through two of the second sinking holes, respectively; and wherein the first sinking hole is configured to communicate with the central penetrating hole, the second arc-shape penetrating hole, and the third arc-shape penetrating hole, while the arc-shape sinking hole is configured to communicate with the first arc-shape penetrating hole and the second arc-shape penetrating hole, such that the first arc-shape penetrating hole only allows cold water supplied from the second arc-shape penetrating hole to flow therein, and the central penetrating hole allows cold water and hot water supplied from the second arc-shape penetrating hole and the third arc-shape penetrating hole to flow therein.