2results about How to "Realize snap-in fixation" patented technology

The utility model relates to the technical field of automobile lamps, and disclose a sheath clamping protection structure, including the locating plate and the fixed plate of installing in the both sides of locating plate one end, the bottom fixed connection of locating plate one end has the placing plate, still include: the locating shell fixed in the bottom of one side of locating plate, the inner chamber of locating shell sets up the fixed assembly of being convenient for clamping protection, and the fixed assembly includes sheath body, movable plate and locating rod, sheath body is inserted in the inner chamber of fixed plate, movable plate is inserted in the inner chamber of locating shell, and locating rod sets up in the inner chamber of locating shell. Through the setting of fixed assembly, can with sheath body convenient insertion in the inner chamber of fixed plate and fixed, at the same time, locating rod is inserted into locating shell after penetrating placing plate, and then the insertion hole of the insertion of locating rod is inserted into the inner chamber of locating rod, through the fixed effect of insertion rod to locating rod, realize the clamping fixation of sheath body, to effectively promote the convenience of sheath body installation fixation.

The utility model provides a kind of engineering cost field surveying and mapping equipment, including latitude and longitude surveying and mapping instrument, latitude and longitude surveying and mapping instrument is fixedly installed on mounting plate, the bottom of mounting plate is hinged with several movable supports.The utility model has the beneficial effects as follows: when facing rugged use site, the length of adjustable supporting leg is extended from movable support, after length adjustment is completed, rotating knob is driven to rotate guide plate and rotating shaft, rotating shaft will drive rotating member to rotate, rotating member will push connecting rod to horizontal state, then connecting rod pushes clamping block to slide linearly in slide rail, the end of clamping block will be sequentially clamped in the clamping hole on supporting leg and the clamping groove on movable support, so as to lock fixing frame, movable support and supporting leg into one whole, then, push knob to slide on guide plate, so that knob is clamped into knob slot, realize the limit fixing of knob, achieve the purpose of locking mechanism limitation.