Patent ID: 11859760
Assignee: CHICONY ELECTRONICS CO., LTD.
Field: Mechanical elements (Mechanical engineering)
Classification: CPC F | IPC F

Claim 0:
1. A hanging device comprising:
a wall fixing plate comprising a fixing portion, an abutting portion, and a first fitting portion;
a wall hanging element comprising a housing and a fixing member, wherein the housing has a back surface, the back surface has a spring installation region and a second fitting portion, and the second fitting portion is detachably fitted with the first fitting portion; the fixing member protrudes from the back surface and is detachably assembled on the fixing portion; a distance between the fixing member and a bottom edge of the spring installation region is greater than a distance between the fixing portion and the abutting portion of the wall fixing plate; and
a spiral spring disposed on the spring installation region, wherein the spiral spring comprises an inner arc section, an outer arc section, and an arc connecting section; a radius of the outer arc section is greater than a radius of the inner arc section, the arc connecting section is connected between the inner arc section and the outer arc section, and a radius of curvature of the arc connecting section gradually increases from the inner arc section to the outer arc section.