Shoe stretcher and shoe tree special for high-heeled shoes

By designing a special shoe last for high heels controlled by air pressure, the problem of difficult support strength and uneven expansion in the existing technology is solved, and the uniform expansion and aesthetic protection of high heels is achieved.

CN223068058UActive Publication Date: 2025-07-08DONGGUAN JIANFA SHOE MATERIAL CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202422234366.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-11
Publication Date
2025-07-08
Estimated Expiration
2034-09-11

AI Technical Summary

Technical Problem

The support strength of existing high-heeled shoe supporters is not easy to control, which can easily cause deformation of the upper, and usually lead to uneven expansion by supporting both sides.

Method used

A shoe last that includes a foot last block and a heel support is designed. The movement of the strut and the top rod is controlled by using the air pressure box and the piston system, and the support force is monitored through the pressure gauge to achieve synchronous opening of the soles and heels to prevent uneven stress.

Benefits of technology

The uniform expansion of high heels is achieved to prevent the upper from deforming, ensure aesthetics, and intuitively control the support force through the air pressure gauge to avoid damaging the shoes.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223068058U_ABST
    Figure CN223068058U_ABST
Patent Text Reader

Abstract

The utility model discloses a shoe stretcher shoe tree special for high-heeled shoes, and aims to solve the problems that in the prior art, when a shoe stretcher is used for supporting the shoes, the supporting strength is not easy to control, the shoes are damaged, and the shoe stretcher for the high-heeled shoes is generally used for supporting the shoes on two sides and expands towards the two sides when supporting the shoes, so that the shoes cannot be supported easily. And the use effect is influenced by the deformation of the vamp. The shoe tree of the shoe stretcher comprises two sole shoe tree blocks and a heel support, a strip-shaped air pressure box is arranged between the two sole shoe tree blocks, side air pressure boxes are installed on the two sides of the strip-shaped air pressure box in a penetrating mode, through holes are formed in the outer surfaces of the side air pressure boxes, and first pistons are installed in the two side air pressure boxes in a sliding mode. The supporting force is applied to the side direction and the upper direction at the same time, deformation caused by uneven stress of the shoes is prevented, the attractiveness of the shoes is guaranteed, the supporting force for supporting the shoes is visually checked through the barometer, and the situation that the supporting force for supporting the shoes is not easy to control and consequently the shoes are damaged is prevented.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The utility model belongs to the technical field of shoe trees, and particularly relates to a shoe last for high heels dedicated shoe tree. Background Art

[0002] With the development of society, the quantity and types of shoes are constantly enriched. Different types of shoes such as sports shoes, cloth shoes and high heels are all needed by people. However, in the process of buying shoes, people sometimes choose the wrong size, resulting in the shoes being too small. Therefore, a shoe stretcher is needed to stretch the shoes to meet the needs. However, the existing high heel shoe stretchers still have certain defects. The manual control force of the existing high heel shoe stretchers is relatively poor. When using a manual shoe stretcher to stretch shoes, it is not easy to control the magnitude of the supporting force, which may cause damage to the shoes. Moreover, the high heel shoe stretchers usually support on both sides. When performing a supporting operation on the shoes, they expand to both sides, which easily causes the deformation of the shoe upper and affects the use effect. Therefore, it is necessary to design a new type of shoe last for high heels dedicated shoe tree to change the above technical defects. Content of the Utility Model

[0003] (1) Technical Problems to be Solved

[0004] Aiming at the deficiencies of the prior art, the purpose of the utility model is to provide a shoe last for high heels dedicated shoe tree, which aims to solve the technical problems that when using the existing shoe stretcher to stretch shoes, it is not easy to control the magnitude of the supporting force and cause damage to the shoes, and the high heel shoe stretcher usually supports on both sides. When performing a supporting operation on the shoes, it expands to both sides, which easily causes the deformation of the shoe upper and affects the use effect.

[0005] (2) Technical Solutions

[0006] In order to solve the above technical problems, the utility model provides a special shoe stretcher last for high-heeled shoes, which includes two sole shoe stretcher blocks and a heel stretcher, a strip air pressure box is arranged between the two sole shoe stretcher blocks, side air pressure boxes are installed through both sides of the strip air pressure box, and through holes are opened on the outer surfaces of the side air pressure boxes, first pistons are slidably installed inside the two side air pressure boxes, support rods are fixedly connected to the outer surfaces of the two first pistons, and the support rods are slidably installed inside the through holes, one end of the support rod away from the first piston is fixedly connected to the inner wall of the sole shoe stretcher block, and a bottom air pressure box is installed through the bottom surface of the strip air pressure box The invention relates to a pressure box, and a connecting hole is provided on the bottom surface of the bottom pressure box, a second piston is slidably installed inside the bottom pressure box, a push rod is fixedly connected to the bottom surface of the second piston, and the push rod is slidably installed inside the connecting hole, an air pipe is installed through the outer surface of the strip pressure box, and an inflation nozzle is installed at the end of the air pipe away from the strip pressure box, a valve is installed through the inside of the inflation nozzle, a threaded tube is rotatably installed on the outer surface of the strip pressure box near the heel support, a threaded rod is threadedly connected to the inner thread of the threaded tube, and the end of the threaded rod away from the threaded tube is fixedly connected to the outer surface of the heel support, and a pressure gauge is installed through the outer surface of the air pipe.

[0007] When using the shoe stretcher and shoe last of the present technical solution, the sole shoe last block and the heel stretcher are inserted into the high-heeled shoe, and then the threaded tube is grasped and rotated. The threaded tube rotates to move the threaded rod inside it, so that the heel stretcher moves to the side away from the sole shoe last block, so that the sole shoe last block and the heel stretcher are respectively fitted and tensioned with the inner wall of the shoe, and the valve is opened to connect the inflation nozzle to the inflation tube for inflation. The air enters the interior of the strip air pressure box through the air pipe. The increase in air inside the strip air pressure box pushes the two first pistons to move away from each other. The two first pistons move away from each other and push the support rod to move the two sole shoe last blocks away from each other. The two sole shoe last blocks move away from each other. When the shoe is stretched to both sides, the air in the strip air pressure box increases by pushing the second piston to push the push rod downward. The push rod pushes the strip air pressure box downward and brings the sole shoe last block up in the shoe to stretch it above the shoe surface, so that the inside of the shoe has a stretching force to the side and upward at the same time, preventing the shoe from being deformed due to uneven force and ensuring the aesthetics of the shoe. When inflating with the inflation nozzle and the inflation tube connected, a pressure gauge is used to monitor the pressure in the strip air pressure box to observe the supporting force of the shoe. The supporting force of the shoe can be viewed intuitively through the pressure gauge to prevent the supporting force of the shoe from being difficult to control and causing damage to the shoe.

[0008] Preferably, a handle is fixedly connected to the outer surface of the threaded tube, and an anti-skid groove is arranged on the outer surface of the handle. The arrangement of the handle facilitates the rotation of the threaded tube and prevents hand slipping when rotating the threaded tube.

[0009] Furthermore, the bottom end of the push rod is fixedly connected with a support seat, and the support seat is slidably installed inside the two sole shoe last blocks. By setting the support seat, the contact area between the push rod and the sole is increased when the push rod is pushed downward, and the stability of the bottom end of the push rod is increased.

[0010] Furthermore, the outside of the support rod and the push rod is respectively sleeved with a first return spring and a second return spring. Through the arrangement of the first return spring and the second return spring, the first piston and the second piston can be quickly reset in the deflated state by utilizing the elasticity of the first return spring and the second return spring.

[0011] Furthermore, the outer surface of the bottom air pressure box is fixedly connected to a limit tube, a limit rod is slidably installed inside the limit tube, and one end of the limit rod away from the limit tube is fixedly connected to the outer surface of the heel support. By setting the limit rod and the limit tube, the heel support is positioned to prevent the heel support from shaking and tilting when moving, thereby increasing the stability of the heel support.

[0012] (3) Beneficial effects

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] The utility model inserts the sole shoe last block and the heel support into the high-heeled shoe, then grasps the threaded tube and rotates it, the threaded tube rotates to move the threaded rod inside the threaded tube, so that the heel support moves to the side away from the sole shoe last block, so that the sole shoe last block and the heel support are respectively fitted with the inner wall of the shoe and tensioned and installed, the valve is opened to connect the inflation nozzle with the inflation tube to inflate, the air enters the interior of the strip-shaped air pressure box through the air pipe, the air in the strip-shaped air pressure box increases and pushes the two first pistons to move away from each other, the two first pistons move away from each other and push the support rod to carry the two sole shoe last blocks away from each other, the two sole shoe last blocks move away from each other in the shoe The shoe is stretched inward to both sides, and the air inside the strip air pressure box increases by pushing the second piston to push the push rod downward. The push rod pushes the strip air pressure box downward and brings the sole shoe last block up to stretch it inside the shoe toward the upper part of the shoe surface, so that the inside of the shoe has a stretching force to the side and upward at the same time, preventing the shoe from being deformed due to uneven force and ensuring the aesthetics of the shoe. When inflating with the inflation nozzle and the inflation tube connected, a pressure gauge is used to monitor the pressure in the strip air pressure box at the same time to observe the supporting force of the shoe. The supporting force of the shoe can be viewed intuitively through the pressure gauge to prevent the supporting force of the shoe from being difficult to control and causing damage to the shoe. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the three-dimensional structure of the shoe tree and shoe last of the utility model;

[0016] Figure 2 This is a schematic diagram of the structure of the shoe tree and shoe last of the utility model when viewed from above;

[0017] Figure 3Schematic diagram of the three-dimensional structure of the strip air pressure box, bottom air pressure box and side air pressure box of the shoe support and shoe last of the present utility model;

[0018] Figure 4 Schematic diagram of the sectional structure of the strip air pressure box, bottom air pressure box and side air pressure box of the shoe support and shoe last of the present utility model;

[0019] Figure 5 For the shoe support and shoe last of the present utility model Figure 1 Enlarged structure diagram at position A in the middle.

[0020] The reference signs in the drawings are: 1, sole shoe last block; 2, heel support; 3, air pipe; 4, air pressure gauge; 5, valve; 6, inflation nozzle; 7, support seat; 8, strip air pressure box; 9, limit pipe; 10, limit rod; 11, threaded rod; 12, handle; 13, threaded pipe; 14, bottom air pressure box; 15, side air pressure box; 16, through hole; 17, connection hole; 18, first piston; 19, support rod; 20, first return spring; 21, second piston; 22, ejector rod; 23, second return spring. Specific implementation mode

[0021] This specific implementation mode is a shoe support and shoe last dedicated to high heels, and its structural schematic diagram is as Figures 1-5 shown. The shoe support and shoe last include two sole shoe last blocks 1 and a heel support 2. A strip air pressure box 8 is arranged between the two sole shoe last blocks 1. Side air pressure boxes 15 are installed through both sides of the strip air pressure box 8, and through holes 16 are formed on the outer surfaces of the side air pressure boxes 15. First pistons 18 are slidably installed inside both side air pressure boxes 15. Support rods 19 are fixedly connected to the outer surfaces of both first pistons 18, and the support rods 19 are slidably installed inside the through holes 16. One end of the support rod 19 away from the first piston 18 is fixedly connected to the inner wall of the sole shoe last block 1. The bottom surface of the strip air pressure box 8 is installed through a bottom air pressure box 14, and a connection hole 17 is formed on the bottom surface of the bottom air pressure box 14. A second piston 21 is slidably installed inside the bottom air pressure box 14. An ejector rod 22 is fixedly connected to the bottom surface of the second piston 21, and the ejector rod 22 is slidably installed inside the connection hole 17. An air pipe 3 is installed through the outer surface of the strip air pressure box 8, and an inflation nozzle 6 is installed at one end of the air pipe 3 away from the strip air pressure box 8. A valve 5 is installed through the inflation nozzle 6. A threaded pipe 13 is rotatably installed on the outer surface of the strip air pressure box 8 near one end of the heel support 2. A threaded rod 11 is threadedly connected inside the threaded pipe 13, and one end of the threaded rod 11 away from the threaded pipe 13 is fixedly connected to the outer surface of the heel support 2. An air pressure gauge 4 is installed through the outer surface of the air pipe 3.

[0022] Among them, the outer surface of the threaded tube 13 is fixedly connected with the handle 12, and the outer surface of the handle 12 is provided with an anti-skid groove. Through the provision of the handle 12, the threaded tube 13 is convenient to rotate, and the hand is prevented from slipping when the threaded tube 13 is rotated. The bottom end of the push rod 22 is fixedly connected with the support seat 7, and the support seat 7 is slidably installed inside the two sole shoe last blocks 1. Through the provision of the support seat 7, the contact area between the push rod 22 and the sole is increased when the push rod 22 is pushed downward, and the stability of the bottom end of the push rod 22 is increased. The outside of the support rod 19 and the push rod 22 are respectively sleeved with a first return spring 20 and a second return spring 23. Through the provision of the first return spring 20 and the second return spring 23, the elasticity of the first return spring 20 and the second return spring 23 can be used to quickly reset the first piston 18 and the second piston 21 in the deflated state.

[0023] In addition, the outer surface of the bottom air pressure box 14 is fixedly connected to the limiting tube 9, and the limiting rod 10 is slidably installed inside the limiting tube 9, and the end of the limiting rod 10 away from the limiting tube 9 is fixedly connected to the outer surface of the heel support 2. Through the arrangement of the limiting rod 10 and the limiting tube 9, the heel support 2 is positioned to prevent the heel support 2 from shaking and tilting during movement, thereby increasing the stability of the heel support 2.

[0024] Working principle: When using the shoe stretcher and shoe last of the present technical solution, insert the sole shoe last block 1 and the heel stretcher 2 into the high-heeled shoe, then grab the threaded tube 13 and rotate it. The threaded tube 13 rotates to move the threaded rod 11 inside it, so that the heel stretcher 2 moves to the side away from the sole shoe last block 1, so that the sole shoe last block 1 and the heel stretcher 2 are respectively fitted and tensioned with the inner wall of the shoe, open the valve 5 and connect the inflation nozzle 6 to the inflation tube to inflate, and the air enters the interior of the strip air pressure box 8 through the air pipe 3. The increase in air inside the strip air pressure box 8 pushes the two first pistons 18 to move away from each other, and the two first pistons 18 move away from each other to push the support rod 19 with the two sole shoe last blocks 1 away from each other, and the two The sole shoe last blocks 1 move away from each other and are stretched to both sides in the shoe. The air inside the strip air pressure box 8 increases and pushes the second piston 21 to push the push rod 22 downward. The push rod 22 pushes downward to support the strip air pressure box 8 and the sole shoe last block 1 rises in the shoe to stretch it above the vamp, so that the inside of the shoe has a stretching force both laterally and upward at the same time, preventing the shoe from being deformed due to uneven force and ensuring the aesthetics of the shoe. When the inflation nozzle 6 is connected with the inflation tube to be inflated, the pressure gauge 4 is used to monitor the pressure in the strip air pressure box 8 at the same time to observe the supporting force of the shoe. The supporting force of the shoe can be viewed intuitively through the pressure gauge 4 to prevent the supporting force of the shoe from being difficult to control and causing damage to the shoe.

[0025] All technical features in this embodiment can be freely combined according to actual needs.

[0026] The above embodiments are preferred implementation solutions of the present utility model. In addition, the present utility model can also be implemented in other ways. Any obvious replacement without departing from the concept of the technical solution is within the protection scope of the present utility model.

Claims

1. A shoe tree and shoe last dedicated to high heels, the shoe tree and shoe last comprising two forefoot shoe last blocks (1) and a heel support (2), characterized in that: A strip-shaped air pressure box (8) is arranged between the two sole shoe last blocks (1). Both sides of the strip-shaped air pressure box (8) are penetrated and installed with side air pressure boxes (15), and through holes (16) are formed on the outer surfaces of the side air pressure boxes (15). First pistons (18) are slidably installed inside both side air pressure boxes (15). Support rods (19) are fixedly connected to the outer surfaces of both first pistons (18). The bottom surface of the strip-shaped air pressure box (8) is penetrated and installed with a bottom air pressure box (14), and a connection hole (17) is formed on the bottom surface of the bottom air pressure box (14). A second piston (21) is slidably installed inside the bottom air pressure box (14). A top rod (22) is fixedly connected to the bottom surface of the second piston (21), and the top rod (22) is slidably installed inside the connection hole (17). An air pipe (3) is penetrated and installed on the outer surface of the strip-shaped air pressure box (8), and an inflation nozzle (6) is installed at one end of the air pipe (3) away from the strip-shaped air pressure box (8). A valve (5) is penetrated and installed inside the inflation nozzle (6). A threaded pipe (13) is rotatably installed on the outer surface of the strip-shaped air pressure box (8) near one end of the heel support (2). A threaded rod (11) is threadedly connected inside the threaded pipe (13), and one end of the threaded rod (11) away from the threaded pipe (13) is fixedly connected to the outer surface of the heel support (2).

2. The special shoe tree and shoe last for high heels according to claim 1, characterized in that: A handle (12) is fixedly connected to the outer surface of the threaded pipe (13), and anti-slip grooves are arranged on the outer surface of the handle (12).

3. The special shoe tree and shoe last for high heels according to claim 2, characterized in that: A support seat (7) is fixedly connected to the bottom end of the top rod (22), and the support seat (7) is slidably installed inside the two sole shoe last blocks (1).

4. The special shoe tree and shoe last for high heels according to claim 3, characterized in that: First return springs (20) and second return springs (23) are respectively sleeved on the outer parts of the support rods (19) and the top rods (22).

5. The shoe tree and shoe last for high heels according to claim 4, characterized in that: A limit pipe (9) is fixedly connected to the outer surface of the bottom air pressure box (14). A limit rod (10) is slidably installed inside the limit pipe (9), and one end of the limit rod (10) away from the limit pipe (9) is fixedly connected to the outer surface of the heel support (2).

6. The special shoe tree and last for high heels according to claim 5, characterized in that: A pressure gauge (4) is penetrated and installed on the outer surface of the air pipe (3).

7. The special shoe tree and shoe last for high heels according to claim 6, characterized in that: The support rods (19) are slidably installed inside the through holes (16), and one end of the support rod (19) away from the first piston (18) is fixedly connected to the inner wall of the sole shoe last block (1).