Crease-resistant paperboard liner

Abstract

The utility model discloses a kind of anti-pressure mark paperboard lining, including the paperboard body of the arched structure of shoe front half portion hollow, more than one front protrusion and more than one rear protrusion are provided in the periphery bottom edge of the paperboard body, and the rear protrusion inserts the gap between insole and shoe inner side wall and makes the front protrusion contact with insole or the midsole layer below insole and support paperboard body to support paperboard body, front protrusion is correspondingly set in the position of the bottom edge of the paperboard body two sides close to front side, rear protrusion is correspondingly set in the position of the bottom edge of the paperboard body two sides close to rear side, the front protrusion and rear protrusion are all arc-shaped protrusion structure set to downwards;The paperboard body of the anti-pressure mark paperboard lining is provided with front protrusion and rear protrusion, and the rear protrusion inserts the gap between insole and shoe inner side wall and makes the front protrusion contact with insole and support paperboard body, greatly reduce the contact area of paperboard body and insole and reduce the indentation formed by insole being pressed by paperboard body in storage process.

Description

Technical Field

[0001] This utility model relates to the field of shoe support technology, and in particular to a pressure-resistant cardboard liner. Background Technology

[0002] Shoe trees, also known as shoe liners, are widely used in various types of shoes, such as foam shoe trees and cardboard shoe trees. Cardboard shoe trees are usually made of cardboard or corrugated paper and are mainly used for shoe packaging, transportation, or storage to prevent shoes from deforming, collapsing, or wrinkling. Existing cardboard shoe trees are inserted into the shoes, with the bottom edge of the shoe tree in contact with the insole. However, because the bottom edge of the shoe tree is relatively sharp, after the shoes are stored for a long time, the part of the insole that is in contact with the bottom edge of the cardboard shoe tree will be crushed by the shoe tree, forming a long indentation, which will require the insole to be replaced. Therefore, a new cardboard shoe tree structure needs to be designed to solve the above problems. Utility Model Content

[0003] To solve the above-mentioned technical problems, this utility model provides a cardboard body with a front protrusion and a rear protrusion. The rear protrusion is inserted into the gap between the insole and the inner wall of the shoe, and the front protrusion contacts the insole to support the cardboard body. This greatly reduces the contact area between the cardboard body and the insole and reduces the indentations formed by the cardboard body pressing on the insole during storage.

[0004] An anti-dentation cardboard liner includes a cardboard body with a hollow arched structure in the front half of a shoe. The bottom edges of the cardboard body are provided with one or more front protrusions and one or more rear protrusions. The rear protrusions are inserted into the gap between the insole and the inner wall of the shoe, and the front protrusions contact the insole or the middle and bottom layer below the insole to support the cardboard body.

[0005] Preferably, the front protrusion is disposed on the bottom edge of both sides of the cardboard body near the front side, and the rear protrusion is disposed on the bottom edge of both sides of the cardboard body near the rear side.

[0006] Preferably, both the front protrusion and the rear protrusion are downward-facing arc-shaped protrusions, and the arc of the rear protrusion is greater than that of the front protrusion.

[0007] Preferably, the bottom edge of the cardboard body has an arc-shaped opening located between the front protrusion and the rear protrusion.

[0008] Preferably, the arc-shaped opening is arranged facing upwards, and the arc-shaped opening is respectively engaged with the front protrusion and the rear protrusion located on the same side.

[0009] The beneficial effects of this utility model are: the anti-dentation cardboard liner is formed by the cardboard body, the front protrusion and the rear protrusion cooperating with each other, so that the cardboard body is provided with the front protrusion and the rear protrusion is inserted into the gap between the insole and the inner wall of the shoe and the front protrusion contacts the insole to support the cardboard body, which greatly reduces the contact area between the cardboard body and the insole and reduces the indentation formed by the insole being crushed by the cardboard body during storage. Attached Figure Description

[0010] Appendix Figure 1 This is a perspective view of the indentation-resistant cardboard liner of this utility model;

[0011] Appendix Figure 2 This is a front view of the indentation-resistant cardboard liner of this utility model;

[0012] Appendix Figure 3 This is a right-side view of the anti-dentation cardboard liner of this utility model.

[0013] In the diagram: 1. Cardboard body, 2. Front protrusion, 3. Back protrusion, 4. Arc-shaped opening. Detailed Implementation

[0014] The present invention will be further described below with reference to the accompanying drawings and specific embodiments, so as to provide a clearer understanding of the technical concept claimed by the present invention.

[0015] like Figures 1 to 3 As shown, an anti-dentation cardboard liner includes a cardboard body 1 with a hollow arched structure in the front half of a shoe. The bottom edges of the cardboard body 1 are provided with one or more front protrusions 2 and one or more rear protrusions 3. The rear protrusions 3 are inserted into the gap between the insole and the inner wall of the shoe and the front protrusions 2 are in contact with the insole or the middle and bottom layer below the insole to support the cardboard body 1.

[0016] The working principle of the anti-indentation cardboard liner described in this utility model is achieved through the cooperation of the cardboard body 1, the front protrusion 2, and the rear protrusion 3. Figures 1 to 3 As shown, two of the front protrusions 2 and 3 are used for illustration. The cardboard body 1 is provided with the front protrusions 2 and 3. The worker inserts the 3 into the gap between the insole and the inner wall of the shoe, so that the front protrusions 2 can contact the surface of the insole to support the cardboard body 1. The front protrusions 2 replace the bottom edges of the cardboard body 1 in contact with the insole. In addition, the front protrusions 2 can also be inserted into the gap between the insole and the inner wall of the shoe, so that the front protrusions 2 contact the bottom layer under the insole to support the cardboard body 1. This reduces the pressure of the bottom edge of the cardboard body 1 on the insole and the resulting indentations. Compared with traditional shoe linings, this indentation-resistant cardboard lining can greatly reduce the contact area between the cardboard body 1 and the insole and reduce the indentations formed by the cardboard body 1 pressing on the insole during storage.

[0017] Specifically, the front protrusion 2 is correspondingly disposed on both sides of the bottom edge of the cardboard body 1 near the front side, and the two rear protrusions 3 are correspondingly disposed on both sides of the bottom edge of the cardboard body 1 near the rear side. Both the front protrusion 2 and the rear protrusion 3 are downward-facing arc-shaped protrusions, and the arc of the rear protrusion 3 is greater than that of the front protrusion 2. Further, an arc-shaped opening 4 is provided on the bottom edge of the cardboard body 1 between the front protrusion 2 and the rear protrusion 3. The arc-shaped opening 4 faces upward, and it engages with the front protrusion 2 and the rear protrusion 3 located on the same side, respectively. Figure 1 Paper Figure 3 As shown, the cardboard body 1 is provided with an arc-shaped opening 4, and the front protrusion 2 replaces the bottom edge of the cardboard body 1 to contact the insole. The front protrusion 2 and the rear protrusion 3 cooperate to support the entire cardboard body 1. The contact area between the front protrusion 2 and the insole is small, which can greatly reduce the contact area between the cardboard body 1 and the insole and reduce the indentation formed by the cardboard body 1 during storage. In addition, the front protrusion 2 can also be inserted into the gap between the insole and the inner wall of the shoe, and the front protrusion 2 contacts the middle and bottom layer under the insole to support the cardboard body 1, reducing the pressure of the bottom edge of the cardboard body 1 on the insole and the indentation formed.

[0018] The above are merely specific embodiments of this utility model and do not limit the patent scope of this utility model. Any equivalent structural or procedural transformations made based on the content of this utility model specification and drawings, or direct or indirect applications in other related technical fields, are similarly included within the patent protection scope of this utility model.

Claims

1. A type of dent-resistant cardboard liner, characterized in that: The cardboard body includes a hollow, arched structure in the front half of the shoe. The bottom edges of the cardboard body are provided with one or more front protrusions and one or more rear protrusions. The rear protrusions are inserted into the gap between the insole and the inner wall of the shoe, and the front protrusions contact the insole or the middle and bottom layer below the insole to support the cardboard body.

2. The indentation-resistant cardboard liner according to claim 1, characterized in that: The front protrusion is located on the bottom edge of both sides of the cardboard body near the front side, and the rear protrusion is located on the bottom edge of both sides of the cardboard body near the rear side.

3. The indentation-resistant cardboard liner according to claim 1, characterized in that: Both the front and rear protrusions are downward-facing arc-shaped protrusions, and the arc of the rear protrusion is greater than that of the front protrusion.

4. The indentation-resistant cardboard liner according to claim 1, characterized in that: The bottom edge of the cardboard body has an arc-shaped opening located between the front protrusion and the rear protrusion.

5. The indentation-resistant cardboard liner according to claim 4, characterized in that: The arc-shaped opening is positioned upwards, and the arc-shaped opening engages with the front protrusion and the rear protrusion located on the same side, respectively.

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