Patent ID: 8596602

Claim:
A device comprising: a receiving container having a first supporting surface, a second supporting surface, a fixing surface and a resisting surface, the first and second supporting surfaces perpendicularly connecting to each other, the resisting surface connecting to the first supporting surface, the fixing surface connecting to the second supporting surface, wherein the receiving container is a battery box; an elastic element received in the receiving container and comprising: a first rail positioned on the first supporting surface and opposite to the fixing surface, the first rail arranged along a first extending direction; a second rail positioned on the second supporting surface and opposite to the resisting surface, the second rail arranged along a second extending direction, the second extending direction being intersected with the first extending direction; a first sliding block slidably positioned on the first rail; a second sliding block slidably positioned on the second rail; a spring, one end of the spring being fixed to the fixing surface, and the other end of the spring being fixed to the second sliding block; and a connecting pole, one end of the connecting pole being rotatably connected to the first sliding block, and the other end of the connecting pole being rotatably connected to the second sliding block; and a loading block positioned on the first sliding block and facing the resisting surface, the loading block defining an open groove facing the resisting surface, the open groove and the resisting surface being configured for cooperatively clamping an object therebetween.