Backpack capable of hiding pulleys

• Main Authors: LI JIALE, ZHOU JIRU, REN XIAOMEI
• Format: Patent
• Language: Chinese; English
• Published: 23.08.2022
• Subjects: HAND CARRIED BAGS; HAND OR TRAVELLING ARTICLES; HUMAN NECESSITIES; LUGGAGE; PURSES; TRAVELLING OR CAMP EQUIPMENT: SACKS OR PACKS CARRIED ON THEBODY

The knapsack comprises a knapsack body, a containing groove is formed in the bottom of the knapsack body, the containing groove is provided with a cover body in a matched mode, a folding support and the sliding wheels fixed to one end of the folding support are arranged in the containing groove, the folding support has a folding state and an unfolding state, and when the folding support is in the folding state, the sliding wheels are fixed to one end of the folding support. The folding support and the pulleys are located in the containing groove, and when the folding support is in an unfolded state, the pulleys are located outside the containing groove and support the bag body. According to the backpack capable of hiding the pulleys, the state of the folding support can be switched according to needs, so that the backpack can be effectively switched between the bearing walking state and the dragging state, the weight of the backpack cannot be increased too much, other positions cannot be stained, and the back