Telescopic combined sole and shoe

Abstract

The utility model discloses a telescopic combined shoe sole and a shoe, which belong to the technical field of shoe soles, each telescopic combined shoe sole comprises a first bottom plate, a second bottom plate, a first telescopic connecting piece and a middle plate, one end of the first telescopic connecting piece is connected with the first bottom plate, the other end of the first telescopic connecting piece is connected with the second bottom plate, and the middle plate is connected with the second bottom plate. The middle plate is fixed to the first bottom plate and the second bottom plate to form the sole, the length of the sole can be adjusted in the production process, the length of the sole is made to be more matched with the length of the sole, the wearing comfort is improved, the types of bottom plate production molds are reduced, and the production cost is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of shoe soles, in particular to a telescopic combined shoe sole and a shoe. Background Art

[0002] A shoe is a wearable item worn on the feet to protect the feet and facilitate walking. There are various types and functions of boots on the existing market to meet the needs of people's travel and life. Since the foot shape of a person in the growth stage develops relatively fast, and considering the cost, the existing shoes are basically of fixed sizes and cannot telescopically adjust the length of the shoe sole. For shoe manufacturers, producing shoes in too many specifications significantly increases the manufacturing cost.

[0003] A patent with the publication number of CN113749350B discloses a telescopic shoe with adjustable length. The shoe sole includes a sole of the foot part, a telescopic member and a heel part, and the sole of the foot part and the heel part are connected through the telescopic member; the telescopic member includes a first telescopic part, a second telescopic part and a fixing bolt. When adjusting the telescopic amount of the telescopic member, the first telescopic part slides in the second telescopic part; fixing teeth which are in limit fit with the fixing bolt are arranged on the first telescopic part, and a first through hole for the fixing bolt to pass through is arranged on the second telescopic part. This telescopic shoe can meet the requirement of consumers for the length telescoping of the shoe sole. However, for manufacturers, the wear of the shoe sole and the telescopic member is large after being segmented, the manufacturing difficulty increases, and the cost increases. Content of the Utility Model

[0004] One of the purposes of the utility model is to provide a telescopic combined shoe sole, which solves the problems of large wear and high manufacturing cost of the existing telescopic shoe sole.

[0005] To achieve the above-mentioned utility model purpose, the technical solutions adopted by the utility model are as follows:

[0006] A telescopic combined shoe sole includes a first bottom plate, a second bottom plate, a first telescopic connecting member and a middle plate. One end of the first telescopic connecting member is connected to the first bottom plate, the other end of the first telescopic connecting member is connected to the second bottom plate, and the middle plate is fixed to the first bottom plate and the second bottom plate to form a shoe sole, which can adjust the length of the shoe sole during production, make the length of the shoe sole more suitable for the sole of the foot, improve the wearing comfort and reduce the production cost.

[0007] Furthermore, the first telescopic connecting member includes a fastening member, a connecting portion and a telescopic portion. Both ends of the telescopic portion are connected to the connecting portion, and the fastening member passes through the connecting portion and is fixed to the first bottom plate and the second bottom plate respectively, so that the formed shoe sole can be telescopically adjusted within a certain length.

[0008] Preferably, the telescopic part is a bellows telescopic structure, which has good structural sealing performance and a long service life.

[0009] Preferably, the telescopic part is a scissor structure, which has a large range of telescopic adjustment.

[0010] Preferably, the telescopic part is a sleeve rod structure, which has good rigidity along the length direction.

[0011] Preferably, the middle plate is a rigid member, which is used to improve the strength of the overall sole.

[0012] Furthermore, the middle plate is adhesively connected to the first bottom plate and the second bottom plate, with high connection strength and easy manufacturing.

[0013] Preferably, the thickness of the middle plate is not less than that of the first bottom plate or the second bottom plate, which improves the overall strength of the sole and thus extends the service life of the sole.

[0014] More preferably, it further includes a third bottom plate and a second telescopic connecting member. One end of the second telescopic connecting member is connected to the third bottom plate, and the other end is connected to the second bottom plate, which is used to extend the length of the sole to a greater extent to meet the use of foot soles of different lengths.

[0015] The second object of the present invention is to provide a shoe, which reduces the problems of large wear and high manufacturing cost of the existing telescopic sole.

[0016] To achieve the above-mentioned utility model object, the technical solutions adopted by the present invention are as follows:

[0017] A shoe includes the telescopic combined sole described above, which can adjust the length of the sole during production, make the shoe more suitable for the length of the foot sole, improve the comfort of use and reduce the production cost.

[0018] The beneficial effects of the present invention are as follows:

[0019] (1) The telescopic combined sole is provided with a separate first bottom plate and a second bottom plate. A telescopic connecting member for connecting the two is arranged between the first bottom plate and the second bottom plate. The distance between the first bottom plate and the second bottom plate is adjustable and can be used to match foot soles of different lengths. A middle plate is fixed on the first bottom plate and the second bottom plate. The middle plate can be selected according to the length of the foot sole. The first bottom plate and the second bottom plate are completely fixed through the middle plate, so that the strength of the sole can be maintained, the strength requirement for the telescopic connecting member is reduced, the first bottom plate and the second bottom plate can be used for foot soles within a certain length range in common, and the manufacturing cost is reduced. The manufacturing process of the middle plate is different from that of the bottom plate, and the cost of manufacturing middle plates of different lengths is low. In this way, by reusing the high-cost bottom plates and replacing the middle plates, the demand for manufacturing soles of different specifications can be met while reducing material consumption.

[0020] (2) The retractable combined sole is further provided with a third bottom plate and a second retractable connection. Connecting the third bottom plate to the second bottom plate through the second retractable member can further expand the length of the entire sole, so that the sole can meet the usage requirements of longer foot soles. At the same time, the pressure on the foot sole can be dispersed to different bottom plates to prevent excessive wear of the bottom plates. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 Structural changes of the retractable combined sole provided by the present utility model Figure 1 ;

[0022] Figure 2 Structural changes of the retractable combined sole provided by the present utility model Figure 2 ;

[0023] Figure 3 Installation diagram of the retractable connecting member of the retractable combined sole provided by the present utility model;

[0024] Figure 4 Cross-sectional view of the retractable combined sole provided by the present utility model.

[0025] Reference numerals:

[0026] 1, first bottom plate; 2, first retractable connecting member; 21, fastener; 22, connecting portion; 23, retractable portion; 3, second bottom plate; 4, second retractable connecting member; 5, third bottom plate; 6, middle plate. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0027] The following will clearly and completely describe the technical solutions in the embodiments of the present utility model with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments in the application without making creative efforts shall fall within the protection scope of the present utility model.

[0028] Embodiment 1

[0029] As Figures 1 - 4As shown in the figure, this embodiment discloses a telescopic combined sole, which includes a first bottom plate 1, a second bottom plate 3, a first telescopic connecting member 2 and a middle plate 5. One end of the first telescopic connecting member 2 is connected to the first bottom plate 1, and the other end of the first telescopic connecting member 2 is connected to the second bottom plate 3. The middle plate 5 is fixed to the first bottom plate 1 and the second bottom plate 3 to form a sole. The sole formed by combining the first bottom plate 1 and the second bottom plate 3 through the first telescopic connecting member 2 is adjustable within a certain length. In addition, by replacing the middle plate 5, the same specification bottom plates can be assembled into soles of various specifications during manufacturing. Only different lengths of the middle plate 5 need to be manufactured to meet the use strength requirements of the sole. The manufacturing of the middle plate 5 is relatively lower than that of the bottom plate, which can effectively simplify the production process and reduce the material cost.

[0030] Further, the first telescopic connecting member 2 includes a fastener 21, a connecting portion 22 and a telescopic portion 23. Both ends of the telescopic portion 23 are connected to the connecting portion 22. The fastener 21 passes through the connecting portion 22 and is fixed to the first bottom plate 1 and the second bottom plate 3 respectively. The fastener 21 is a screw, which is easy to manufacture. The telescopic portion 23 can be telescopically changed within a certain length to realize the adjustable length of the sole.

[0031] Preferably, the telescopic portion 23 is a bellows telescopic structure, which can play a role in protecting the internal structure, improve the service life of the sole, and has a low manufacturing cost.

[0032] Preferably, the telescopic portion 23 is a scissor structure, which can have a large range of telescopic extension.

[0033] Preferably, the telescopic portion 23 is a sleeve rod structure, which plays a guiding role and has high strength after telescoping.

[0034] Furthermore, the middle plate 5 is a rigid member, and the middle plate 5 provides the sole with anti-deformation ability by virtue of its own rigidity.

[0035] More preferably, the middle plate 5 is adhesively connected to the first bottom plate 1 and the second bottom plate 3. The adhesive connection has high strength and low manufacturing cost, and the middle plate 5 is used once.

[0036] More preferably, the thickness of the middle plate 5 is not less than the thickness of the first bottom plate 1 or the second bottom plate 3. Strengthening the thickness of the middle plate 5, the middle plate 5 plays a role in maintaining the overall shape of the sole, preventing the telescopic connecting member from being damaged by excessive tensile force and torsion during use, and extending the service life of the sole.

[0037] More preferably, it further includes a third bottom plate 5 and a second telescopic connecting member 4. One end of the second telescopic connecting member 4 is connected to the third bottom plate 5, and the other end is connected to the second bottom plate 3. The second telescopic connecting member 4 has the same structure as the first telescopic connecting member 2. Considering the strength of the telescopic connecting member, the extendable length thereof is limited. The third bottom plate 5 is used to increase the length of the combined sole. In addition, multiple bottom plates are used to support the sole of the foot to meet the wear of the bottom plate caused by different usage requirements.

[0038] The production process of the telescopic combined sole is as follows:

[0039] According to the length of the sole to be produced, take the first bottom plate 1 and the second bottom plate 3 and pull the first telescopic connecting member 2 to the corresponding length. Take a middle plate 5 of the corresponding length and bond it to the first bottom plate 1 and the second bottom plate 3 so that the first bottom plate 1, the second bottom plate 3 and the middle plate 5 form a sole suitable for the sole of the foot. When it is necessary to produce a sole of another specification, stretch the first bottom plate 1 and the second bottom plate 3 to the specified length, select a middle plate 5 of a suitable length and bond it to the first bottom plate 1 and the second bottom plate 3 to complete the shoe assembly.

[0040] Embodiment 2

[0041] This embodiment also discloses a sole, including the above-mentioned telescopic combined sole, which reduces the problem of large wear of the existing telescopic sole and reduces the material consumption and manufacturing cost.

[0042] According to the disclosure and teaching of the above specification, those skilled in the art to which the present invention pertains can also make changes and modifications to the above embodiments. Therefore, the present invention is not limited to the specific embodiments disclosed and described above, and some modifications and changes to the present invention should also fall within the protection scope of the claims of the present invention. In addition, although some specific terms are used in this specification, these terms are only for convenience of description and do not constitute any limitation to the present invention.

Claims

1. A telescopic combined sole, characterized in that: It includes a first bottom plate (1), a second bottom plate (3), a first telescopic connecting member (2) and a middle plate (6). One end of the first telescopic connecting member (2) is connected to the first bottom plate (1), and the other end of the first telescopic connecting member (2) is connected to the second bottom plate (3). The middle plate (6) is fixed to the first bottom plate (1) and the second bottom plate (3) to form a sole.

2. The telescopic combined sole according to claim 1, wherein: The first telescopic connecting member (2) includes a fastener (21), a connecting portion (22) and a telescopic portion (23). Both ends of the telescopic portion (23) are connected to the connecting portion (22), and the fastener (21) passes through the connecting portion (22) respectively and is fixed to the first bottom plate (1) and the second bottom plate (3).

3. The telescopic combined sole according to claim 2, wherein: The telescopic portion (23) is a bellows telescopic structure.

4. The telescopic combined sole according to claim 2, wherein: The telescopic portion (23) is a scissor structure.

5. The telescopic combined sole according to claim 2, wherein: The telescopic portion (23) is a sleeve rod structure.

6. The telescopic combined sole according to claim 1, wherein: The middle plate (6) is a rigid member.

7. The telescopic combined sole according to claim 6, wherein: The middle plate (6) is adhesively connected to the first bottom plate (1) and the second bottom plate (3).

8. The telescopic combined sole according to claim 7, wherein: The thickness of the middle plate (6) is not less than the thickness of the first bottom plate (1) or the second bottom plate (3).

9. The telescopic combined sole according to any one of claims 1-7, wherein: It further includes a third bottom plate (5) and a second telescopic connecting member (4). One end of the second telescopic connecting member (4) is connected to the third bottom plate (5), and the other end is connected to the second bottom plate (3).

10. A shoe, characterized in that: It includes the telescopic combined sole according to any one of claims 1-9.

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