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This utility model relates to the field of living compartment expansion technology and discloses a living compartment side expansion structure, including a side flap, a side plate, and two sets of folding components. The two sets of folding components are disposed on the side wall of the living compartment. The folding components include a first folding plate and a second folding plate. The first folding plate is hinged to the side wall of the living compartment, and the second folding plate is hinged to the end of the first folding plate away from the living compartment. The side plate is hinged to the end of the two second folding plates away from the first folding plate. The side flap is hinged to the side wall of the living compartment, and both the side plate and the folding components can support the side flap. By symmetrically arranging expansion components on both sides of the living compartment, the internal space of the living compartment is effectively expanded without increasing the overall size of the living compartment, thereby improving the user's comfort.

The utility model discloses a training auxiliary chopstick which comprises a first chopstick body, a second chopstick body and a limiting piece, the limiting piece comprises a first limiting part, a second limiting part and a third limiting part, the first limiting part and the second limiting part are connected through the third limiting part, and the third limiting part can deform to enable the distance between the first limiting part and the second limiting part to be adjustable. The first chopstick body is sleeved with the first limiting part, the second chopstick body is sleeved with the second limiting part, and the first limiting part and the second limiting part are located between the first chopstick body and the second chopstick body and deviate from the first end. According to the training auxiliary chopsticks, the first chopstick body and the second chopstick body are connected through the limiting piece, the first limiting part and the second limiting part of the limiting piece are limited with fingers, the third limiting part is limited with the jaw part, and the chopsticks can be prevented from slipping off in the using process.