| 摘要 |
PURPOSE: A filter coupling device for a connector of a purified water filter is provided to offer convenience for a user by simple separation of the filter from the connector with small push power when the user need to exchange the filter periodically according to contamination of the filter. CONSTITUTION: A filter coupling device for a connector of a purified water filter has a lock piece(13,14) which accepts a connection unit(62) of a filter(60) flexibly, and is formed into the inner side. The filter coupling device comprises the following: a collet(10) in which a presser portion(11) is formed on an end part of the outside; a leaf spring(20) formed between the lock piece of the collet; and an inlet and outlet body(30) in which a downward extension part(32) for supporting an acting portion of the leaf spring. The collect has a frame of a ring shape and a pair of elastic wings(12) are formed by extending from an inner side to both sides of the frame.
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