1results about How to "Add cleaning function" patented technology

The utility model discloses a valve gland with dustproof function, including first gland, second gland and second threaded hole, first gland one side is equipped with second gland, first gland and second gland all are equipped with two symmetries second threaded hole, first gland and second gland pass through first threaded hole and are fixed with each other through screw, first gland one side outer wall fixedly connected with first rubber disc, second gland one side outer wall fixedly connected with second rubber disc, first rubber disc fixedly connected with a plurality of first rubber ring, first rubber ring one side of the innermost circle is equipped with the sealing ring, second rubber disc fixedly connected with a plurality of second rubber ring. The device utilizes the first rubber ring and second rubber ring of staggered arrangement, has realized the effect of high -efficient dustproof sealing, solved the problem that current device lacks reliable multilayer dustproof design and automatic cleaning function.