US 12,349,813 B2
Playpen with automatic locking function
Zhanpeng Liang, Guangdong (CN)
Assigned to GUANGZHOU PRODIGY DAILY-PRODUCTION CO., LTD, Guangzhou (CN)
Filed by GUANGZHOU PRODIGY DAILY-PRODUCTION CO., LTD, Guangdong (CN)
Filed on Aug. 9, 2023, as Appl. No. 18/231,789.
Claims priority of application No. 202310913720.6 (CN), filed on Jul. 24, 2023.
Prior Publication US 2025/0031872 A1, Jan. 30, 2025
Int. Cl. A47D 13/06 (2006.01)
CPC A47D 13/06 (2013.01) 10 Claims
OG exemplary drawing
 
1. A playpen with an automatic locking function, comprising:
A top cover (1);
an inner sliding rod (3), the inner sliding rod (3) being mounted below the top cover (1) and provided with a cylindrical receiving cavity (301), and first sliding grooves communicated with the cylindrical receiving cavity (301) being formed in two sides of the inner sliding rod (3);
an outer sliding rod (4), the outer sliding rod (4) being rotatably disposed around the inner sliding rod (3), and second sliding grooves (401) being formed in two sides of the outer sliding rod (4) and corresponding to the first sliding grooves in position;
a limiting rod (5), the limiting rod (5) being disposed in the cylindrical receiving cavity (301), and two ends of the limiting rod (5) stretching out along the first sliding grooves and the second sliding grooves (401) and being able to slide in the first sliding grooves and the second sliding grooves (401);
a sliding seat (6), the sliding seat (6) being slidably disposed around the outer sliding rod (4), and the two ends of the limiting rod (5) being clamped with the sliding seat (6);
a knob (2), the knob (2) being mounted in the top cover (1) and clamped with the top cover (1) and the outer sliding rod (4), and the knob (2) being able to move upwards or downwards and rotate with respect to the top cover (1) to be located at a locking position or an unlocking position; and
a link assembly (9), the link assembly (9) being articulated with the top cover (1) and the sliding seat (6).