CN218942394U

CN218942394U - Glue-free embedded sole

Info

Publication number: CN218942394U
Application number: CN202222806017.9U
Authority: CN
Inventors: 姚永; 孟波; 赵亮; 苟志远
Original assignee: Gannan Hailing Safety And Environmental Protection Service Co ltd; CNOOC Safety and Technology Services Co Ltd
Current assignee: Gannan Hailing Safety And Environmental Protection Service Co ltd; CNOOC Safety and Technology Services Co Ltd
Priority date: 2022-10-25
Filing date: 2022-10-25
Publication date: 2023-05-02
Anticipated expiration: 2032-10-25

Abstract

The utility model provides a glue-free embedded sole. The shoe body comprises a protective bottom, a composite bottom and felt cloth, wherein the felt cloth is arranged on the contact surface of the protective bottom and the composite bottom. The composite sole extends upwards, and the upper edge extends to the shoe body to form a certain embedded space for coating part of the shoe body. The protection bottom is a rubber bottom. The composite bottom is any one of a PU bottom, an MD bottom, a TPR bottom and an EVA bottom, or a combination thereof. Because the felt cloth is arranged on the protective bottom, secondary surface treatment is not needed for the protective bottom or the composite bottom, so that the operation time is saved, and the operation efficiency is improved; the friction force between the protective bottom and the composite bottom is enhanced without coating glue on the contact surface, so that the technical problem that the protective bottom and the composite bottom fall off due to glue failure is effectively reduced, the safety of operators can be effectively protected, meanwhile, the energy is saved, the environment is protected, and the corrosion resistance of the labor protection shoes is improved. Is suitable for being used as a glue-free sole.

Description

Glue-free embedded sole

Technical Field

The utility model relates to the field of labor protection, in particular to labor protection shoes. In particular to a glue-free embedded sole and a labor protection shoe applying the sole.

Background

The prior embedded sole, as described in the embedded sole protective shoe of CN202160725U, is characterized in that a plurality of combining cones are arranged on the lower bottom surface, and an insole is embedded on the lower bottom with the combining cones, so that the combining surface and firmness of the lower bottom and the insole are increased. However, as the labor protection shoes are required to be worn for a long time, the combined cone can generate the phenomenon of 'rubbing feet' along with the continuous treading of a human body when the labor protection shoes are worn, so that the wearing is uncomfortable. The sole disclosed in the patent combines the PU sole and the rubber sole in a casting mode, and is complex in process and complex in operation.

In addition, in order to increase the strength of the labor protection shoe, adapt to different working environments, reduce the weight of the shoe body, a rubber sole is generally adopted as a base, a composite sole such as a PU sole is additionally arranged between the rubber sole and the shoe body, the performances of wear resistance, folding resistance, oil resistance, corrosion resistance and the like of the shoe are increased, in the manufacturing of the existing shoe sole, the contact surfaces of the rubber sole and the PU sole are firstly polished and napped, and then glue is coated on the contact surfaces of the rubber sole and the PU sole, and the PU sole and the rubber sole are fixed through extrusion and solidification.

The waterproof and antistatic shoe of CN215992910U describes that the upper edge of the protective sole 3 extends along the shoe body 1 to be higher than the upper edge of the sole 2, is embedded at the bottom of the shoe body 1, and provides a structure for embedding the sole and the shoe body, so that the matching property of the sole and the shoe body is better, and the waterproof property is enhanced. However, the protection sole and the sole are fixedly connected in an adhesive mode.

In the technical scheme, the application of the combined cone is easy to cause uncomfortable feeling of a human body, so that the wearing comfort is reduced, and when the production operation is performed, a pair of uncomfortable shoes are worn, so that the production operation efficiency is influenced; the use of glue makes the rubber sole and the composite sole easy to drop, and most of the attention points are materials of soles or materials of shoe bodies when labor insurance shoes are generally purchased, so that welcome suitable for operation is determined, few people pay attention to components of sole adhesives (glue), few operating environments (acid-base environments, chemical environments and the like) are not excluded from being easily reacted with the adhesives in the industry, the adhesives are disabled, and therefore the rubber sole and the composite sole drop, and the operation safety is affected.

Disclosure of Invention

In order to increase the strength of the labor protection sole, prolong the service life of the labor protection sole, ensure the production operation safety and avoid the use of glue, the utility model provides the glue-free embedded sole. The shoe body solves the technical problem of manufacturing the sole by gluing by clamping felt cloth between the protective sole and the composite sole.

The utility model solves the technical problems by adopting the scheme that:

the glue-free embedded sole comprises a protective bottom, a composite bottom and felt cloth, wherein the felt cloth is arranged on the contact surface of the protective bottom and the composite bottom.

The composite sole extends upwards, and the upper edge extends to the shoe body to form a certain embedded space for coating part of the shoe body.

The protection bottom is a rubber bottom.

The composite bottom is any one of a PU bottom, an MD bottom, a TPR bottom and an EVA bottom, or a combination thereof.

The method has the advantages that as the felt cloth is arranged on the protective bottom, secondary surface treatment is not required to be carried out on the protective bottom or the composite bottom, so that the operation time is saved, and the operation efficiency is improved; because the felt cloth is selected for use, the composite bottom can be directly connected with the protective bottom in an injection molding way, glue is not required to be coated on the contact surface, the friction force between the protective bottom and the composite bottom is enhanced, the technical problem that the protective bottom and the composite bottom fall off due to glue failure is effectively reduced, the safety of operators can be effectively protected, meanwhile, the energy is saved, the environment is protected, and the corrosion resistance of the labor protection shoes is improved. Is suitable for being used as a glue-free sole.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic view of a composite bottom of the present utility model;

FIG. 3 is a schematic view of the installation of the protective bottom and felt cloth of the present utility model;

fig. 4 is a schematic diagram of the application of the present utility model.

In the figure, 1, a protective bottom, 2, a composite bottom, 3 and felt cloth.

Wherein fig. 4 is a schematic view of the sole of the present utility model mated with one of the prior art shoes, and does not represent that the sole of the present utility model is not suitable for use with other labor insurance shoes.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the present utility model, all the embodiments, implementations and features of the utility model may be combined with each other without contradiction or conflict. In the present utility model, conventional equipment, devices, components, etc., are either commercially available or homemade in accordance with the present disclosure. In the present utility model, some conventional operations and apparatuses, devices, components are omitted or only briefly described in order to highlight the gist of the present utility model.

Referring to the attached drawings, the glue-free embedded sole comprises a protective bottom 1, a composite bottom 2 and felt cloth 3, wherein the felt cloth 3 is arranged on the contact surface of the protective bottom 1 and the composite bottom 2.

The composite sole 2 extends upwards, and the upper edge extends to the shoe body to form a certain embedded space for coating part of the shoe body.

The protective bottom 1 is a rubber bottom.

The composite bottom 2 is any one of a PU bottom, an MD bottom, a TPR bottom and an EVA bottom, or a combination thereof.

In order to ensure the connection firmness of the composite bottom 2 and the protective bottom 1, the outer diameter of the felt cloth 3 is smaller than the inner diameter of the protective bottom 1, so that the integral appearance of the sole is not affected, and an edge space is reserved for fixedly connecting the protective bottom 1 and the composite bottom 2.

A labor protection shoe which is used before glue and at the sole is provided, and a shoe body is connected with the sole in a jogging way.

The labor protection shoes are any one of the labor protection shoes such as short boots, net shoes, lacing shoes, leather shoes, long boots, cotton shoes and the like, and the shoe body is any one of the shoe bodies in the prior art.

The manufacturing process of the utility model comprises the following steps:

firstly, in the manufacturing process of the protective bottom, before shaping the protective bottom, felt with proper size is arranged on the protective bottom, so that the felt cloth is fixedly connected with the protective bottom and does not fall off;

secondly, selecting a proper labor protection shoe body, placing a protection sole with a corresponding size under the proper labor protection shoe body, and reserving a middle space for the installation of the composite sole;

and thirdly, filling the space between the shoe body and the protective bottom with the composite bottom in an injection molding mode, and fixedly mounting one surface of the composite bottom with the shoe body and fixedly connecting the other surface of the composite bottom with the protective bottom. The PU sole can be manufactured firstly, then the shoe body is placed into the embedded space extending upwards from the composite sole, the composite sole and the shoe body are fixed by local heating, and the shoe body and the composite sole can be fixed in a sewing or gluing mode, but if the sewing is adopted, sewing gaps are generated on the shoe body and the shoe body, so that the tightness of the shoe body is not ensured, and the increase of the invasion of waterproof and anti-pollution matters into the shoe body is not facilitated; if the shoe body and the composite bottom are fixed in an adhesive mode, the original purpose of the utility model is lost, so that the shoe body, the protective bottom and the composite bottom are connected in an injection molding mode to form an optimal manufacturing scheme.

The utility model has the advantages that: the felt cloth has low cost, easy manufacture and acquisition, simple operation and use, no fiber in the process of cutting the felt cloth, and more friendly to the manufacture workers.

The felt cloth is selected, so that the situation that glue is placed for a long time or the unexpected situation fails is avoided, the felt cloth is taken along with use, the felt cloth cannot fail after being placed for a long time, the material waste is avoided, the environment is better protected without using the glue, and the situation that the protective bottom and the composite bottom fall off due to the falling of the glue is avoided;

and adopt the structural style of felt cloth die casting in the protection bottom, can make protection bottom and compound end direct casting shaping, need not to the secondary "napping" processing of protection bottom and compound end, improve the operating efficiency, save the process, reduce cost.

Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.

Claims

1. The glue-free embedded sole comprises a protective sole (1) and a composite sole (2), and is characterized in that,

the protective device further comprises a felt cloth (3), wherein the felt cloth (3) is arranged on the contact surface of the protective bottom (1) and the composite bottom (2).

2. A glue-free chimeric sole according to claim 1, characterized in that,

the outer diameter of the felt cloth (3) is smaller than the inner diameter of the protective bottom (1).

3. A glue-free chimeric sole according to claim 1, characterized in that,

the composite sole (2) extends upwards, and the upper edge extends to the shoe body to form a certain embedded space for coating part of the shoe body.

4. A glue-free chimeric sole according to claim 2, characterized in that,

the protective bottom (1) is a rubber bottom.

5. A glue-free chimeric sole according to claim 1, characterized in that,

the composite bottom (2) is any one of a PU bottom, an MD bottom, a TPR bottom and an EVA bottom.