Socket and coupling assembly

Abstract

A socket includes a socket main body and a stem. The socket main body has a cavity and a front opening and a rear opening located on two opposite ends of the cavity. The socket main body further has a through slot running through the socket main body. The stem includes a stem body, a stem head, a plurality of arc-shaped supporting bones, an abutting bottom portion, and a cone body. The stem head is disposed at an end of the stem body. The arc-shaped supporting bones extend from the other end of the stem body. Each of the arc-shaped supporting bones extends away from the stem body in an axial direction and a radial direction of the socket main body. The abutting bottom portion is connected to the arc-shaped supporting bones. The cone body is disposed at an end of the stem body connected to the arc-shaped supporting bones and extends away from the stem body. Every two of the arc-shaped supporting bones and the abutting bottom portion jointly define a fluid passageway opening. An apex of the cone body is located at an end of the cone body away from the stem body.

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