CN107411219A - Novel waterproof shoe cover - Google Patents

Abstract

The invention relates to a novel waterproof shoe cover, in particular to a novel waterproof shoe cover which can be used for outdoor walking in rainy days. Consists of a bottom and an edge portion surrounding the bottom, the edge portion corresponding to the toe portion of the shoe and the heel portion corresponding to the heel portion of the shoe are made of thermoplastic, and the edge portions corresponding to the sides of the shoe are made of metal Elastic sheet material, the edge part has a non-use state and a use state, in the non-use state, each part of the edge part is in an unfolded shape, in the use state, each part of the edge part is gathered upwards and covered in the shoe cover shoes. The shoe cover of the present invention is simple in structure, firm as a whole, not easily damaged, and can be used for outdoor walking. Before use, the shoe can be directly inserted into the shoe cover without additional action, and automatic coating can be realized by means of special coating equipment.

Description

New waterproof shoe cover

technical field

The invention relates to a novel waterproof shoe cover, in particular to a novel waterproof shoe cover which can be used for outdoor walking in rainy days.

Background technique

In the prior art, shoe covers are generally used in indoor environments that require hygiene to prevent shoe dust from being brought into the room. A kind of dustproof cleaning shoe cover is disclosed as CN2533690Y. The sole part of this shoe cover is not wear-resistant, and the strength of each part of the shoe cover is not enough, so it is not suitable for outdoor environments. It is inconvenient to operate by hand.

Contents of the invention

The object of the present invention is to overcome the above-mentioned defects of the prior art, and provide a novel waterproof shoe cover that can be used for outdoor walking in rainy days and can automatically cover shoes.

The invention comprises a bottom and an edge portion surrounding the bottom, the edge portion corresponding to the toe portion of the shoe toe and the heel portion corresponding to the heel of the shoe are made of thermoplastic, and the edge portion corresponds to the two sides of the shoe The metal shrapnel material is used, and the outer edge of both sides of the edge part is disconnected, and the inner side of the disconnected part on both sides of the edge part is still connected to the bottom. The disconnection makes the two sides of the edge part form several small units, each Each small unit includes an outer edge away from the bottom towards the outside, and two sides extending to the bottom located on both sides of the outer edge. Each small unit has a stable state and an unstable state. In the stable state, the outer edge of each small unit Flip upwards, in the non-stable state, the side edges on both sides of each small unit are turned down; the toe part and the heel part of the edge part have a non-use state and a use state, in the non-use state, the edge Part of the toe and the heel are in an expanded shape, and in use, the toe and the heel of the edge part are gathered upwards to cover the shoes in the shoe cover.

When not in use, the toe part and the sole part of the edge part of the shoe cover are in the unfolded state of the non-use state, and the small units on both sides of the edge part of the shoe cover are in an unstable state and are in an unfolded shape. When stepping on the shoe to the bottom of the center of the shoe cover, the machine heats the toe and heel of the edge part and pushes the edge part towards the shoe direction, and the edge part is softened by heat softening of thermoplastic The toe part and the sole part of the shoe fit naturally and cover the toe and heel of the shoe. Stop heating and wait for the edge part to cool, and use the characteristic of thermoplastic cooling and hardening to fix its shape. Then use external force to break the balance of each small unit on both sides of the edge, so that the small unit quickly returns to a stable state, and the two sides of the edge are turned up to hold the shoe tightly, and the automatic covering of the shoe is completed.

The shoe cover of the present invention is simple in structure, firm as a whole, not easily damaged, and can be used for outdoor walking. Before use, the shoe can be directly inserted into the shoe cover without additional action, and automatic coating can be realized by means of special coating equipment. The toe and heel of the shoe have a circular arc surface, which is covered with thermoplastic plastic, and the flat sides of the shoe are covered with metal shrapnel, which has high reliability and wrapping performance.

A further technical solution of the present invention is: each metal shrapnel small unit and the bottom all have a boundary line, and the metal shrapnel small unit has two unused internal stresses, one is to connect the outer edge and the boundary line of the metal shrapnel small unit The internal stress of turning up, one is the internal stress of turning down the sides of the metal shrapnel small unit.

A further technical solution of the present invention is: at least the portion of the bottom that contacts the ground is made of a wear-resistant material with a certain thickness.

A further technical solution of the present invention is: the toe part and the heel part of the edge part adopt a sheet with a thickness between 0.5 mm and 2.5 mm.

A further technical solution of the present invention is: at least one side facing the shoe is provided with a protective layer on both sides of the edge portion.

A further technical solution of the present invention is: a waterproof layer is provided on the edge portion facing the shoe.

Description of drawings

The specific content of the present invention will be further clarified below in conjunction with the accompanying drawings and embodiments.

Figure 1: Schematic diagram of the structure of this embodiment in a non-use state.

Figure 2: A-A view of Figure 1.

Figure 3: B-B view of Figure 1.

Figure 4: C-C rotated view of Figure 1.

Figure 5: Schematic diagram of the structure of this embodiment in use.

Figure 6: D-D sectional view of Figure 5.

detailed description

As shown in the figure, this embodiment includes a bottom 1 and an edge portion 2 surrounding the bottom 1, the bottom 1 and the edge portion 2 are connected into one body, the bottom 1 is made of a wear-resistant material with a certain thickness, and the edge portion 2 The toe part 201 corresponding to the position of the toe of the shoe and the heel part 202 corresponding to the position of the heel of the shoe are made of a thermoplastic sheet with a certain thickness. There are disconnections at the outer edges of the parts 203 on both sides of the edge part 2, and the inner side of the disconnection of the parts 203 on both sides of the edge part 2 is still connected to the bottom 1, so that the parts 203 on both sides of the edge part 2 form several small units 20, each The small units 20 all include an outer edge 21 away from the bottom 1 towards the outside, and two sides 22, 23 extending to the bottom 1 located on both sides of the outer edge 21, each small unit 20 has a stable state and an unstable state. In this state, the outer edge 21 of each small unit 20 is turned upwards, and in an unstable state, the sides 22, 23 on both sides of each small unit 20 are turned downward; the toe part 201 and the heel part 202 of the edge part 2 It has a non-use state and a use state. In the non-use state, the toe part 201 and the heel part 202 of the edge part 2 are in an unfolded shape. In the use state, the toe part 201 and the shoe part 2 of the edge part 2 The heel portion 202 gathers upwards and wraps the shoe in the shoe cover.

The edge part 2 is in units of small units 20, and each small unit 20 has a dividing line with the bottom 1, and the outer edge 21 of the small metal shrapnel unit 20 is bent upwards, processed and shaped, and the small metal shrapnel unit 20 is The two sides 22, 23 are bent downwards, processed and finalized, and the arc of the upward curved processing is larger than that of the downward curved processing. In this way, the small metal shrapnel unit 20 has two internal stresses that are not used. The internal stress of the outer edge 21 and the boundary line of the small shrapnel unit 20 turned upwards, one is the internal stress of turning the two sides 22, 23 of the small metal shrapnel unit 20 downwards, and the internal stress of the upward turning is greater than that of the downward turning Internal stress. When the small metal shrapnel unit 20 bends downward, the outer edge 21 of the small metal shrapnel unit 20 bends, and the two sides 22, 23 of the small metal shrapnel unit 20 turn up downwards, and the middle part perpendicular to the dividing line goes up. In this way, the moment arm of the reaction force of the internal stress turned upward becomes longer, so that the small metal dome unit 20 is in a temporary equilibrium state, and the small metal dome unit 20 will maintain the state of bending downward. Pushing up the outside of the small metal dome unit 20 destroys the shape of the small metal dome unit 20, making the arc of the small metal dome unit 20 turn down smaller, and the reaction force of the internal stress that makes the small metal dome unit 20 bend upward. The moment arm is shortened, and when the moment of the reaction force is not enough to balance the upward bending moment, the small metal shrapnel unit 20 will quickly deform and bend upwards, the two sides 22, 23 of the metal shrapnel small unit 20 bend, and the metal shrapnel The outer edge 21 of the small unit 10 is turned upwards, and the middle part parallel to the dividing line is raised downwards. Because the upward bending deformation arc of the metal dome small unit 20 is greater than the downward bending deformation arc, therefore, the metal dome small unit 20 tends to be more unstable when the metal dome small unit 20 is bent downward, and only needs to move upward A very small deformation can destroy the balance of the small metal dome unit 20 . However, when the small metal shrapnel unit 20 is bent upward, the small metal shrapnel unit 20 tends to be more stable, and greater deformation is required to break the balance of the small metal shrapnel unit 20 .

Before the start of use, the shoe cover is in a non-use state, the thermoplastic plastic sheet at the toe part and the heel part of the edge part is unfolded, and the opening of the edge part is larger than the boundary line between the edge part and the bottom, the shoe cover The small units on both sides of the edge portion are in an unstable state, that is, the two sides of the small unit are turned down, and all the small units are in an unfolded state, so that the bottom of the shoe cover is exposed from the expanded edge portion. In this way, the shoes can be directly inserted into the shoe cover from the expanded opening when wearing the shoes. At the beginning of use, the edge part is heated by the machine for a certain period of time, and then the edge part is pushed towards the direction of the shoe, and the edge part is naturally fitted and covered with the shoe by using the characteristics of thermoplastic softening when heated, and then the heating is stopped to allow it to cool naturally or use a blower Accelerated cooling, after the edge part is cooled, the shape is fixed to the use state by using the characteristics of thermoplastic cooling and hardening. Then use another foot or a special wearable device or other external force to move the outer edge of the small unit upwards, destroying the balance of the small unit, causing the outer edge of the small unit to quickly turn up and hold the shoes on the bottom tightly, and at the same time the small unit changes To a stable state, the automatic covering of shoes is completed.

After the shoe cover is used, the plastic sheets at the toe cap and the heel of the edge can be directly torn by hand to destroy it, and the shoes can be taken out.

In the above-mentioned embodiment, the thickness of the thermoplastic plastic sheet at the toe part and the heel part of the edge part is between 0.5mm and 2.5mm, and this thickness is for making the position of the shoe cover after thermoplastic molding It can not only maintain a certain strength during use, but also be easily destroyed when the shoe cover is removed. If the thickness of this part is not enough, it will not be strong enough when worn, which may cause the shoe cover and the shoe to fall off. If the thickness of this part is too thick, it cannot be easily torn and damaged after use, which will cause inconvenience to use. . In the above embodiment, the bottom 1 can be made of the same material as the sole of shoes in the prior art, such as PU, PVC, MD, TPR, EVA and the like. In the above-mentioned embodiment, in order not to cause the metal shrapnel material of the small unit 20 to scratch the shoes and external objects, the small unit 20 on both sides 203 of the edge part 2 is covered with a layer of protective layer 3, and the protective layer 3 The parts 203 on both sides of the edge part 2 can also be arranged only on the side facing the shoe. The protective layer 3 is also arranged on the side of the toe toe 201 and the heel 202 of the edge part 2 towards the shoes, but because the toe toe 201 and the heel 202 of the edge part 2 adopt the The thermoplastic material itself has low hardness and is not easy to cause scratches on the shoes, and the protective layer may not be provided on the toe toe part 201 and the heel part 202 of the edge part 2 . In order to enhance the waterproofness of the shoe cover, a waterproof layer 4 is provided on the outer edge of the edge portion 2 facing the shoe. The waterproof layer is made of an elastic water-proof material, and waterproofing the outer edge of the edge part 2 can effectively prevent external water from entering the inside of the shoe cover, especially prevent external water from entering the space between the sole and the upper of the shoe. The stitching part, this part is the main water leakage part of most shoes at present; the elastic material is used to make the waterproof layer automatically adapt to the shape of different shoes, and at the same time, when the edge part 2 wraps the shoe, for shoes with a smaller size, the edge After part 2 is covered, the adjacent small units 20 may partially overlap, and the small units 20 on the inner side will cause the height of the sealing surface of the small units 20 on the outer side to be uneven, and the elastic material can automatically adapt and fill the gap. Flat sealing surface. In the present invention, the small unit 20 at both sides 203 of the edge portion 2 can cancel the protection layer 3 on the side of the shoe and all be set as a waterproof layer 4. One side of shoes is all set as waterproof layer 4, and waterproof layer 4 adopts elastic waterproof material, and waterproof layer 4 can have the effect of protection and waterproof concurrently like this. The waterproof layer 4 is suitable to use materials with low Shore hardness, such as polyurethane elastomer, silicone elastomer and the like.

Claims (9)

1. a kind of novel waterproof shoe cover, including a bottom and around the marginal portion of bottom, it is characterised in that：The marginal portion The heel position of the toe-cap position of corresponding shoes toe-cap position and corresponding shoes heel position uses thermoplastic, marginal portion The both sides position of the corresponding side position of shoes two uses metal clips material, has disconnection at the outer rim at marginal portion both sides position, should The inner side of the gap at marginal portion both sides position still connects with bottom, and it is some that the disconnection forms marginal portion both sides position Junior unit, each junior unit leave outside of the bottom towards outside including one, positioned at the bottom that extends to of outside both sides Two sides, each junior unit have a stable state and a unsteady state, at steady state, the outside of each junior unit It is flipped up, in unsteady state, the side of each junior unit both sides downwardly turns over；The toe-cap position of the marginal portion and heel Position has a non-working condition and a use state, under non-working condition, the toe-cap position of marginal portion and heel Position is in expansion shape, and in a state of use, the toe-cap position and heel position of marginal portion are collapsed and enveloped upwards to be located at Shoes in shoe cover.

2. novel waterproof shoe cover according to claim 1, it is characterised in that：Described each metal clips junior unit and bottom Portion is owned by a line of demarcation, and metal clips junior unit possesses two no internal stress, and one is by metal clips junior unit Outside and the internal stress that is flipped up of boundary line, one is the planted agent for downwardly turning over the both sides side of metal clips junior unit Power.

3. novel waterproof shoe cover according to claim 1 or 2, it is characterised in that：The bottom at least with ground contacting part Divide and be made of with certain thickness high-abrasive material.

4. novel waterproof shoe cover according to claim 1 or 2, it is characterised in that：The toe-cap position of described marginal portion And heel position uses thickness in 0.5mm to the sheet material between 2.5mm.

5. novel waterproof shoe cover according to claim 1 or 2, it is characterised in that：The both sides position of the marginal portion is extremely It is few to be provided with overcoat towards shoes one side.

6. novel waterproof shoe cover according to claim 1 or 2, it is characterised in that：The marginal portion towards shoes one side Outer rim be provided with waterproof layer.

7. novel waterproof shoe cover according to claim 6, it is characterised in that：Described waterproof layer uses elastic water proof material Material.

8. novel waterproof shoe cover according to claim 1 or 2, it is characterised in that：Described marginal portion is towards shoes one Face is provided with waterproof layer.

9. novel waterproof shoe cover according to claim 8, it is characterised in that：Described waterproof layer uses elastic water proof material Material.