Chair footrest frame

摘要

Disclosed is a chair footrest frame, comprising a base sliding block (1) fixed to both sides of a bottom face of a chair base, sliding rods (2) arranged in a sliding manner respectively on the base sliding blocks (1), a footrest cushion (7) provided between the two sliding rods (2), and a roller ball (12) suitable for the sliding of the sliding rods (2) being provided on the base sliding block (1). The frictional force between the sliding rods and the base sliding block is relatively small, abrasive wear is relatively low, and operation is simple and convenient, which benefit improvement of the functionality and service life of the footrest frame.

主权项

1. A chair footrest frame, comprising a base sliding block (1) fixed to both sides of a bottom face of a chair base, two sliding rods (2) arranged in a sliding manner respectively on the base sliding blocks (1), and a footrest cushion (7) provided between the two sliding rods (2), wherein a roller ball (12) suitable for the sliding of the sliding rods (2) is provided on the base sliding block (1); wherein a rotating central shaft (3) in rotational connection with the two sliding rods (2) is arranged between the two sliding rods (2), and the rotating central shaft (3) is provided with angle iron fixtures (4) for fixing the footrest cushion (7); and each sliding rod (2) is provided with a plastic sliding block (5); the plastic sliding block (5) is formed with openings (51) and sliding chutes (52) coaxial with the openings (51); two ends of the rotating central shaft (3) are respectively sleeved in corresponding openings (51); and the sliding chutes (52) are in sliding connection with locating pins (6) capable of resisting to two ends of the sliding chutes (52) and linking with the rotating central shaft (3).