not without support, but there must be something wrong with your sentence "the left long side of the left rectangular iron frame is hinged with the right long side of the right rectangular iron frame", which is left and which is right, and the left side of the left frame and the right side of the right frame can't be connected without overlapping, right? Your connection method is basically well known, so an example will do.
alternatively, the first and second parts are used to represent two parts, and then, for example, four examples are listed: the first hob a and the second hob b, the first hob a and the second hob a, the first hob b and the second hob b, and the first hob b and the second hob a.