Lifting device for playard

A lifting device for a playard, comprising a slide rail and a connector, wherein

• 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;
• an elastic movable part is configured to move left and right relative to the connector and is provided inside the connector;
• the elastic movable part is in transmission connection 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 elastic movable part;
• a positioning hole for the positioning post to pass through is provided on the right side of the connector;
• a plurality of upper and lower 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;
• an elastic pressing post adapted to the post hole is provided inside the post hole;
• a front end of the elastic pressing post extends out of the post hole;
• a top surface of the front end of the elastic pressing post is provided with a baffle;
• a pressing portion is provided on the front end of the elastic pressing post;
• the pressing portion is located on a front side of the baffle, and an outer diameter of the pressing portion is greater than an outer diameter of the elastic pressing post;
• a bottom surface of a front end of the connector is provided with a downward extension plate;
• a bottom surface of the extension plate is adapted to the pressing portion to hold an upper part of the pressing portion;
• and the baffle is located on a rear side of the extension plate and is configured to abut against the extension plate.