2results about How to "Different visual effects" patented technology

This utility model proposes a pen, including a writing sleeve and a pen refill. The writing sleeve consists of an upper sleeve and a lower sleeve that can move relative to each other axially. The pen refill is disposed inside the writing sleeve. The upper sleeve and / or the lower sleeve have at least one channel on their outer wall, inner wall, and / or in the middle, and the channel is filled with a filling material. Through the above structural design, while satisfying the basic function of writing, different filling materials and different types of channels can be selected to achieve different usage effects, affecting the user's visual and olfactory senses and user experience.

A roller shutter structure comprises a first hanging piece, a second hanging piece and a shutter body, the first hanging piece and the second hanging piece are respectively provided with a combination portion with a downward opening, and the shutter body is provided with an upper beam, a lower beam and shutter cloth connected between the upper beam and the lower beam. The first hanging piece and the second hanging piece are assembled on the upper beam from top to bottom through the combination part, and the first hanging piece and the second hanging piece are detachably and fixedly arranged on the upper beam of the curtain body through a bolt and a nut respectively, so that the face changing effect is achieved. Therefore, a user can replace the curtain body by himself or herself through the first hanging piece and the second hanging piece which are convenient to disassemble and assemble, the user can create different visual effects in an indoor space only by replacing the curtain body, the first hanging piece, the second hanging piece and the pull rope can be continuously used, waste is reduced, and the purpose of environmental protection is achieved.