Sleeping bag

Abstract

Disclosed is a sleeping bag. The sleeping bag comprises a cushion part and a covering part which forms a lying space together with the cushion part. The cushion part comprises a cushion surface layer, a cushion inner layer and a lower interlayer unit which is combined with the cushion surface layer and the cushion inner layer to define a lower inflation space; the covering part comprises a covering inner layer, a covering surface layer and an upper interlayer unit mounted between the covering inner layer and the covering surface layer; the lower inflation space is provided with a plurality of inflation channels and at least one a connecting channel, which is provided with a air port and connected with the inflation channels; the cushion part also comprises an inflation valve seat for opening and closing the air port. By increasing the thickness of the cushion part through air, the sleeping bag can enhance lying comfort; when the air is exhausted, the size of the sleeping bag can be reduced, so that the sleeping bag can be convenient to carry and store.

Description

technical field [0001] The invention relates to a sleeping bag, in particular to an improved sleeping bag aiming at the structure of the bag body. Background technique [0002] A sleeping bag is a special item that is convenient to carry when going out and has the functions of a bed and a quilt. In order to achieve the effect of keeping warm from the cold, a traditional sleeping bag will be filled with wool, down, cotton, etc. inside a sewn bag body. things. Although the traditional sleeping bag can keep warm because of the filling, the weight and volume of the wool filling are very large, which is not conducive to carrying out, while the cotton is strong in water absorption and heavy, and it is not convenient to carry when going out. As for the weight Relatively light down has the disadvantages of high price, easy breeding of bacteria, and inability to wash. [0003] To improve the disadvantages of sleeping bags with down filling, figure 1 , 2 The conventional sleeping ...

AI Technical Summary

Problems solved by technology

Therefore, when the thickness of the filling layer 113 of the pad body 11 is relatively large, although it is soft and comfortable when lying down, it will appear stuffy and heavy when covered, and when stored, the thicker filling layer 113 will also have Large size, heavy weight, and problems that are not conducive to collection

If the convenience of carrying is considered, although the thickness of the filling layer 113 of the pad body 11 can be reduced, if the thickness of the filling layer 113 is insufficient, the problem of uncomfortable lying down will occur.

Therefore, the sleeping bag 1 in the past could not take into account the convenience of carrying and the comfort of use

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