US 12,435,918 B2
Installation foot and refrigerator having same
Changzhi Wang, Shandong (CN); Bin Fei, Shandong (CN); Enpin Xia, Shandong (CN); Xiaobing Zhu, Shandong (CN); and Kang Li, Shandong (CN)
Assigned to QINGDAO HAIER REFRIGERATOR CO., LTD., Shandong (CN); and HAIER SMART HOME CO., LTD., Shandong (CN)
Appl. No. 18/011,948
Filed by QINGDAO HAIER REFRIGERATOR CO., LTD., Shandong (CN); and HAIER SMART HOME CO., LTD., Shandong (CN)
PCT Filed May 8, 2021, PCT No. PCT/CN2021/092306
§ 371(c)(1), (2) Date Dec. 21, 2022,
PCT Pub. No. WO2021/223750, PCT Pub. Date Nov. 11, 2021.
Claims priority of application No. 202010616653.8 (CN), filed on Jun. 30, 2020.
Prior Publication US 2023/0251016 A1, Aug. 10, 2023
Int. Cl. F25D 23/00 (2006.01)
CPC F25D 23/00 (2013.01) [F25D 2323/0011 (2013.01); F25D 2400/38 (2013.01)] 16 Claims
OG exemplary drawing
 
1. An installation foot, comprising:
a support base, a part of which forms a first step portion and a second step portion;
a roller wheel, rollably disposed below the second step portion; and
an adjustment portion, provided with a screw rod and an adjustment rotary disc, the screw rod being rotatably disposed at the first step portion, and the adjustment rotary disc being fixedly connected to the screw rod or integrated with the screw rod to form a one-piece part so as to drive the screw rod to rotate;
wherein the roller wheel comprises a wheel shaft extending in a horizontal direction, and a wheel body rotating around the wheel shaft; and
the support base further comprises:
a vertical connecting portion, a bottom end of which is connected to one end of the first step portion, and a top end of which is connected to one end of the second step portion, an interstice being reserved between the vertical connecting portion and the adjustment rotary disc;
a lateral shaft connecting portion, extending downward from the second step portion and having a shaft hole for matching with the wheel shaft so as to enable the wheel shaft to be rotatably connected to the support base; and
an upturned fulcrum portion, used for a connection with a bottom of an apparatus on which the installation foot is installed, the upturned fulcrum portion and the adjustment portion being located on both sides of the roller wheel, respectively;
wherein the first step portion and the second step portion are disposed in turn in a horizontal direction;
the upturned fulcrum portion comprises a plurality of hanging lugs, which are disposed on the second step portion or the lateral shaft connecting portion, and the plurality of hanging lugs are spaced in the horizontal direction; and
an extending direction of the wheel shaft is parallel to a direction of a connecting line of the plurality of hanging lugs, and perpendicular to an arrangement direction of the first step portion and the second step portion.