Patent attributes
A lifting device for a playard includes a slide rail and a connector. A slide groove is provided on a left side of the slide rail. A slide portion cooperating with the slide groove is provided on a right side of the connector. A movable part capable of left-right movement is provided in the connector. The movable part is translationally connected with a pulling member. An upper part of the pulling member is hinged with the connector. A positioning post is fixed on a right end surface of the movable part. A positioning hole is provided on the right side of the connector. A plurality of limiting holes are provided on the left side of the slide rail. A front end surface of the pulling member is provided with a post hole extending backward. The post hole is provided therein with a pressing post adapted to the post hole.