2results about How to "Prevent self-opening" patented technology

The utility model discloses an intra-aural hearing aid battery compartment belongs to hearing aid technical field. This kind of intra-aural hearing aid battery compartment, including lid and shell, the top of shell and the bottom of lid fixed connection, the inside of lid is equipped with battery, the top of shell is installed with PCB board, the top of PCB board is installed with copper pole plate, the outside of battery and the side of copper pole plate contact, the side of lid is equipped with opening, the inside one side of opening is equipped with battery compartment cover plate, the inside one end of battery compartment cover plate is rotatably connected with first pivot, the top of first pivot and the inside top of lid rotatably connected, the inside other side of opening is equipped with button, the inside rotatably connected with second pivot of button, the top of second pivot and the inside top of lid rotatably connected, the outside of first pivot is equipped with V type torsional spring for the battery compartment cover plate of springing open, the utility model discloses can effectively facilitate user switch battery compartment cover, and improve the service life of battery compartment, has higher practical value.

The utility model discloses a kind of automobile seat cushion folding subassembly, including first cushion, the top surface rear side of first cushion is fixedly connected U-shaped block, second cushion is rotatably connected in U-shaped block, the top surface of first cushion is symmetrically equipped with two recesses, one first limit block is slidably connected in two recesses respectively, the top surface of two first limit blocks is equipped with first arc surface, the inner side of two first limit blocks is equipped with clamping groove, the inner side of second cushion is symmetrically fixed two L-shaped blocks compatible with clamping groove, one side of second cushion is fixedly connected positioning shaft, and positioning shaft is slidably connected in the inner wall of U-shaped block.The utility model is convenient to fix after first cushion and second cushion are turned over, prevent the cushion after folding from opening automatically, and then guarantee the firmness of two cushions when folding and storing.