Battery anti-theft built-in lock device convenient for battery to be taken out

The invention discloses a structure for conveniently installing a battery into and taking the battery out of a lithium battery electric vehicle. The structure is characterized by comprising a foldable clamshell and a composite battery anti-theft built-in lock device, wherein a battery is locked in the battery anti-theft built-in lock device and can be conveniently taken out; a clamping groove is formed in the front section of the foldable clamshell; and after the foldable clamshell is closed, the clamping groove of the foldable clamshell is clamped into the battery anti-theft device, so that the battery in the clamshell is locked in a clamshell box. 种用于提高锂电电动车方便电池安装取用的结构，其特征在于，包括折叠翻盖和电池锁定的复合方便取用电池防盗内置锁装置，所述折叠翻盖前段设置卡槽，折叠翻盖合拢后，折叠翻盖的卡槽卡入电池防盗装置中，从而将翻盖内的电池锁定在翻盖盒内。