A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
The invention discloses an anti-loosening lever handle. The anti-loosening lever handle comprises a base and a lever handle body, a through hole is formed in the center of the base, and a rotating wheel is installed inside the through hole, can rotate inside the through hole and is connected with the lever handle body after penetrating through the through hole. A square shaft is installed in the center of the rotating wheel, clamping grooves are formed in the outer end of the rotating wheel, elastic pieces matched with the clamping grooves are installed on the base, the middle portions of the elastic pieces protrude outwards to form protruding parts, and the protruding parts abut against the interiors of the clamping grooves to clamp the rotating wheel into the base. The elastic pieces replace springs and balls in a traditional structure, the protruding parts of the elastic pieces abut against the interiors of the clamping grooves, the bottoms and the two side edges of the clamping grooves suffer pressure of the protruding parts of the elastic pieces, then the rotating wheel is clamped more tightly in rotation, then rotation of the rotating wheel is more stable, meanwhile, the lever handle is not likely to loosen in a static state, and the stability and quality of the product are improved; in addition, when a person rotates the lever handle outside a door, the elastic pieces will rub against the rotating wheel to generate a prompt sound so as to remind an indoor householder that the person opens the door, and the anti-theft effect of the lever handle is improved.
The invention discloses an anti-loosening lever handle. The anti-loosening lever handle comprises a base and a lever handle body, a through hole is formed in the center of the base, and a rotating wheel is installed inside the through hole, can rotate inside the through hole and is connected with the lever handle body after penetrating through the through hole. A square shaft is installed in the center of the rotating wheel, clamping grooves are formed in the outer end of the rotating wheel, elastic pieces matched with the clamping grooves are installed on the base, the middle portions of the elastic pieces protrude outwards to form protruding parts, and the protruding parts abut against the interiors of the clamping grooves to clamp the rotating wheel into the base. The elastic pieces replace springs and balls in a traditional structure, the protruding parts of the elastic pieces abut against the interiors of the clamping grooves, the bottoms and the two side edges of the clamping grooves suffer pressure of the protruding parts of the elastic pieces, then the rotating wheel is clamped more tightly in rotation, then rotation of the rotating wheel is more stable, meanwhile, the lever handle is not likely to loosen in a static state, and the stability and quality of the product are improved; in addition, when a person rotates the lever handle outside a door, the elastic pieces will rub against the rotating wheel to generate a prompt sound so as to remind an indoor householder that the person opens the door, and the anti-theft effect of the lever handle is improved.
Novel lever handle and lever handle head connecting structure
| European Patent Office | 2020