2results about How to "Simplify disassembly" patented technology

The utility model relates to display equipment technical field, concretely relates to a waterproof and saltproof LED display device, including a plurality of LED display screen by LED display module assembly, still including casing and back cover, the casing is located on the one side of LED display screen display is provided with toughened glass, the casing is along the circumference side of toughened glass is provided with annular clamping along, annular clamping along will casing inner space divide into installation area and ventilation ring groove, the circumference side of LED display screen is clamped in installation area, be provided with a plurality of ventilation gap that links to each other installation area with ventilation ring groove on annular clamping along, the back cover sealed buckle is installed on one side of casing opening and blocks ventilation ring groove, be provided with a plurality of heat dissipation structure that links to each other with ventilation ring groove on back cover.

The utility model provides a kind of battery system capable of simplifying the installation and dismounting operation of battery pack relative to storage shell.Battery system has the battery pack with the wheel (13) in both ends and storage shell (20), storage shell (20) has strut component (21b), the entrance and exit of battery pack (10) and the pair of track component (23a) for supporting wheel (13), track component (23a) has inclination (32a), the inclination is more and more downwards inclined towards the depth direction of entrance and exit, stopper (24) for preventing wheel (13) movement is installed on strut component (21b), wheel retaining portion (25) for keeping wheel (13) when wheel (13) and track component (23a) are in the state of separation is provided between inclination (32a) and stopper (24).