| abstract |
The invention discloses a kind of space can Automatic-expanding self-timer bracket, including fixed device, electromagnetic locking device and self-presenting devices；Wherein fix the first fixed link, the second fixed link and third fixed link that device includes fixing seat and is successively vertically set in fixing seat；Self-presenting devices include the first joint, first movement bar, second joint, the second mobile bar and camera mounting base, are provided with torsional spring in the first joint and second joint.Space of the invention can Automatic-expanding self-timer bracket, the principle driven using electromagnetic locking and torsional spring, in the case where electromagnetic locking device is powered and unlocks, self-timer bracket completes Automatic-expanding under the driving of torsional spring, solve the problems, such as it is existing it is at high cost using motor-driven expanding unit, volume is larger and reliability is poor, while also solving that the existing space retaining mechanism using priming system blasting bolt is with high costs, influences aircraft safety and the technical issues of reliability. |