Invention patent: refers to a new technical scheme proposed for a product, method or its improvement.
Patent for utility model: refers to a new technical scheme suitable for practical use for the shape, structure or combination of products.
Design patent: refers to a new design based on the shape, pattern or combination of products and the combination of colors, shapes and patterns, which is aesthetic and suitable for industrial application.
According to your question, you should be able to apply for a patent for utility model. But after all, the problem is not completely described, so it cannot be asserted.