CPC A47C 4/04 (2013.01) [A47B 3/002 (2013.01); A47B 37/04 (2013.01); A47C 1/14 (2013.01)] | 18 Claims |
1. A folding frame, comprising
a base,
a plurality of support legs hinged around the base, and
a plurality of extendable support rods hinged on the support legs and capable of folding in relation to the support leg,
wherein an upper end of the support leg is configured with teeth on both sides, every two neighboring support legs are connected through meshing teeth to move together, a locking module is configured inside the base to fix the locking module after the support legs are unfolded,
the locking module includes a pull rod seat mounted inside the base and capable of moving up and down, a spring sheathed outside the pull rod seat and abutting the base, a plurality of locking blocks hinged inside the base and flexibly connected to an upper end of the pull rod seat,
the pull rod seat is pushed upward under the elastic force of the spring, so as to force the plurality of locking blocks into a locking groove on the upper end of the support leg, and to provide fixation support to the support legs unfolded in relation to the base, a lower end of the pull rod seat is extended out of a lower end face of the base, by pulling the pull rod seat downward, an end portion of the locking block will leave the locking groove on the upper end of the support leg to release the locking.
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