An automatic contracting and locking ratchet wheel lock, comprising: a housing (100). A rotating wheel (200) is rotationally provided on the housing. A plurality of locking ratchets (201) and a plurality of non-return grooves (202) are uniformly provided, along a circumferential direction, on an external circumferential wall of the rotating wheel. An energy storage spring (300) is coaxially and sleevingly provided within the rotating wheel. A first end of the energy storage spring is fixedly installed to the housing. A second end of the energy storage spring is fixedly installed to the rotating wheel. A steel cable (400) is wound around the external circumference wall of the rotating wheel. A first end of the steel cable is fixedly installed to the rotating wheel. A second end of the steel cable extends outside the housing. A locking buckle (500) is rotationally provided on the housing. A first end of the locking buckle has a locking protrusion (510) forming a matching engagement with any one of the plurality of locking ratchets. A second end of the locking buckle is provided with a non-return protrusion (520) forming a matching engagement with any one of the plurality of non-return grooves. A first button (600) is connected to the first end of the locking buckle. A second button (700) is connected to the second end of the locking buckle. The automatic contracting and locking ratchet wheel lock provided in the invention has the advantages of reasonable structure and ease of use.
AUTOMATIC CONTRACTING AND LOCKING RATCHET WHEEL LOCK
AUTOMATISCHES KONTRAHIERENDES UND VERRIEGELNDES SPERRRADSCHLOSS
VERROU DE ROUE À ROCHET À CONTRACTION ET VERROUILLAGE AUTOMATIQUES
2022-01-19
Patent
Electronic Resource
English
IPC: | B60C VEHICLE TYRES , Fahrzeugreifen |
Steering column with adjustable ratchet wheel locking mechanism
European Patent Office | 2021
|