The invention provides an automatic braking shopping trolley which comprises an armrest, a trolley basket and wheels. The shopping trolley is provided with a speed control device, braking devices are arranged on the wheels, and the speed control device is connected with the braking devices. The speed control device comprises a controller, a battery and a speed measuring device, the controller is electrically connected with the battery and the speed measuring device, and the speed control device is located at the bottom of the trolley basket; the wheels comprise the wheels arranged in the front and the wheels arranged on the back, and the braking devices are located on the wheels arranged in the front of the trolley basket; each braking device is composed of a braking frame, a brake lining and a connection control rod, each brake lining is located on the corresponding braking frame, and the connection control rods are connected with the speed control device; main bodies of the brake linings are electromagnets, the electromagnets are coated with rubber sheets, and the frame of each wheel is made of magnetisable materials; when the speed measuring device detects that the speed of the shopping trolley exceeds the preset speed, the speed measuring device transmits a signal to the controller, and the controller starts the braking devices to conduct braking actions through the connection control rods.
Automatic braking shopping trolley
2015-11-18
Patent
Elektronische Ressource
Englisch
IPC: | B62B Von Hand bewegte Fahrzeuge, z.B. Handkarren oder Kinderwagen , HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS |