But components of a whole that can function independently suitcase

The utility model discloses a but components of a whole that can function independently suitcase, including the block, be provided with separable knapsack on the block, the knapsack passes through quick connect structure to be connected with the block, and is provided with the mutual magic subsides that correspond on the contact surface of block and the mutual butt of knapsack, and the braces upper end department of knapsack is provided with the storage port who is used for packing up the braces, storage port is provided with the zip fastener and opens and shuts. This product can be followed ordinary suitcase structure and switched over into the knapsack structure and use, and it makes things convenient for people to use according to actual conditions in daily use very much, and the inconvenience of having solved traditional luggage case and bag provides the possibility of nimble change knapsack simultaneously, and the knapsack links firmly and to guarantee contact surface laminating, the too big affect using