US 2026/0060432 A1Published application

Seat lumbar adjustment device

AssigneeAnji Hongsheng furniture Co.,Ltd.

InventorShaohui YU

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Abstract

Provided is a seat lumbar adjustment device, which solves the technical problem that some existing seats cannot consistently conform to a user's lower back, reducing user comfort. The seat lumbar adjustment device includes: a first force-bearing plate; two first force-bearing rods, one end of each of the two first force-bearing rods being hingedly connected to the first force-bearing plate; a second force-bearing plate; two first force-bearing blocks, which are correspondingly and rotatably provided at the ends of the two first force-bearing rods close to the first force-bearing plate; a first connecting shaft, which is rotatably provided between the two first force-bearing blocks; a second force-bearing block, which is fixedly provided at one end of the first force-bearing plate; and a gas strut, one end of the gas strut being rotatably connected to the first connecting shaft.

Claims10

Dependent claims

A seat lumbar adjustment device, comprising:

a first force-bearing plate (13);
two first force-bearing rods (22), one end of each of the two first force-bearing rods (22) being hinged to the first force-bearing plate (13);
a second force-bearing plate (18), wherein the second force-bearing plate (18) is opposite the first force-bearing plate (13), and the other end of each of the two first force-bearing rods (22) are slidably and rotatably connected to the second force-bearing plate (18);
two second force-bearing rods (15), wherein one end of each of the two second force-bearing rods (15) is hinged to the second force-bearing plate (18), and the other end of each of the two second force-bearing rods (15) is slidably and rotatably connected to the first force-bearing plate (13);
two first force-bearing blocks (29), which are correspondingly and rotatably provided at the ends of the two first force-bearing rods (22) close to the first force-bearing plate (13);
a first connecting shaft (26), which is rotatably provided between the two first force-bearing blocks (29) and is rotatably connected to the ends of the two second force-bearing rods (15) close to the first force-bearing plate (13);
a second force-bearing block (35), which is fixedly provided at one end of the first force-bearing plate (13);
a gas strut (24), one end of the gas strut (24) being rotatably connected to the first connecting shaft (26), and the other end of the gas strut (24) being fixedly connected to the second force-bearing block (35);
and a sixth connecting shaft (14), which is rotatably connected to the first force-bearing rod (22) and the second force-bearing rod (15) on the same side.

6 more elements

Dependencies are inferred from the claim text.