The rapid development of the takeout ordering industry has led to a surge in demand for food boxes. The commonly used takeout boxes have evolved from polyethylene lunch boxes to PE lunch boxes. In order to save energy and protect the environment, paper lunch boxes have been used in the market. However, the current paper lunch boxes have poor insulation performance, and due to the unique nature of Chinese cuisine, dishes often contain oil and water, as well as high cooking temperatures, resulting in frequent softening, deformation, and oil leakage of the lunch boxes, Not conducive to the widespread promotion and application of paper lunch boxes, coupled with the fact that plastic lunch boxes are relatively sturdy and easy to stack during transportation. Due to the limited thermal insulation and compressive strength of existing lunch boxes, it is easy to cause problems such as bulging and lodging when stacking lunch boxes, which cannot meet the fast-paced demand for delivery lunch boxes and meet the growing product demand of customers, Currently, there is an urgent need for a paper lunch box with a novel structure to address the aforementioned issues and adapt to the rapidly developing demand for takeout packaging.

纸质餐盒，包括盒体、盒盖，盒体包括侧壁板、底板，盒盖包括盖板、顶板，侧壁板以及盖板上分别设置有用于卡合盒盖与盒体的圆柱形突起边缘，侧壁板上设置有设置有泄压口。盒体底部设置有热压密封条。疏油格之间设置有导油槽。底板上设置有疏油格。

A paper lunch box includes a box body and a box cover, the box body includes a side wall panel and a bottom plate, the box cover includes a cover plate and a top plate, and the side wall panel and cover plate are respectively equipped with cylindrical protruding edges for clamping the box cover and the box body, and the side wall panel is equipped with a pressure relief port. The bottom of the box body is equipped with a hot pressed sealing strip. There are oil guide grooves between the oil drainage grids. The bottom plate is equipped with oil drainage grids.

盒盖顶部设置有承纳槽。盒体为敞口式盒体。底板以及盖板中设置有笋壳叶隔热层。侧壁板以及盖板由食品级白卡淋膜口杯纸构成。盒体的折合处内设置有弹性金属加强筋。侧壁板的内衬层中设置有模压井字型纸质加强筋。盒盖上设置透明视窗，透明窗采用食品级PE材料。侧壁板上设置有内嵌式容纳槽，容纳槽设置于盒盖与盒体的盖合处使盒盖盖上之后能盖住容纳槽。

The top of the box cover is equipped with a receiving groove. The box body is an open type box body. The bottom plate and cover plate are equipped with a bamboo shoot shell leaf insulation layer. The side wall panel and cover plate are composed of food grade white card coated cup paper. Elastic metal reinforcing ribs are installed inside the folding part of the box body. The inner lining layer of the side wall panel is equipped with molded well shaped paper reinforcing ribs. A transparent window is set on the box cover, which is made of food grade PE material. The side wall panel is equipped with an embedded receiving slot, which is located at the junction of the box cover and the box body to cover the receiving slot after the box cover is closed.

纸质餐盒具有以下有益效果是：相对于传统的餐盒具有结构新颖、保温防漏，防止运输过程中油、汤与饭混合浸泡影响口感、方便运输码垛、抗倒伏，结合了纸盒与塑料盒的优点加以改进，对积极推进环保纸盒的推广以及普及应用，提高消费者对环保纸盒的接纳程度具有突出的重要意义，也是如今快节奏发展的快餐文化对餐具健康、环保的需求。

Paper lunch boxes have the following beneficial effects: compared to traditional lunch boxes, they have a novel structure, insulation and leak prevention, prevent the mixing and soaking of oil, soup, and rice from affecting the taste during transportation, facilitate transportation and stacking, and resist lodging. They combine the advantages of paper boxes and plastic boxes to improve and promote the promotion and widespread application of environmentally friendly paper boxes, and increase consumers' acceptance of environmentally friendly paper boxes, which has outstanding significance, It is also the demand for healthy and environmentally friendly tableware in the fast-paced development of fast food culture nowadays.