Slippers with tightness-adjustable vamps

By incorporating an air bladder inside the slippers and using an inflation mechanism to adjust the tightness, the problem of slippers becoming loose when worn is solved, thus improving comfort.

CN223913542UActive Publication Date: 2026-02-17WENZHOU DONGCAI SHOES CO LTD
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Patent Information

Application Number
CN202520843823.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-29
Publication Date
2026-02-17
Estimated Expiration
2035-04-29

AI Technical Summary

Technical Problem

Existing slippers, which use cleats to restrict movement when worn, are prone to loosening of the upper, causing inconvenience.

Method used

An airbag assembly is installed inside the slippers. The expansion of the airbag is adjusted by an inflation component and a control component to regulate the tightness of the upper. The softness of the inflation component is used to prevent blisters.

Benefits of technology

It allows for comfortable adjustment of the shoe upper tightness, avoiding the problem of shoe uppers rubbing against the feet and improving wearing comfort.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a slipper with a tightness-adjustable vamp, which belongs to the technical field of slippers and comprises a sole, the vamp is mounted at the outer end of the sole, the inside of the vamp is hollow, an air bag component is arranged in the vamp and changes the expansion volume of the vamp by controlling inflation and deflation, and an inflation component is arranged at the outer end of the sole. An inflation assembly is arranged in the vamp, a control assembly is arranged in the inflation assembly, an air bag assembly capable of being inflated and expanded is arranged in the vamp, and when a user is matched with the inflation assembly and the control assembly, air can be inflated into the air bag assembly, so that the air bag assembly can be expanded, the vamp is expanded from inside to outside, and the distance between the vamp and the foot can be adjusted; meanwhile, adjustment is conducted through the inflation assembly, daily use of the slipper is not affected, due to the fact that the inflation assembly is soft, the slipper vamp can be prevented from rubbing the foot, and the comfort degree during wearing is improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to a slippers technical field, more specifically, relate to a vamp tightness adjustable slippers. BACKGROUND

[0002] Slippers are a type of footwear that is easy to wear and comfortable, usually without a heel and only covering the forefoot. Slippers are typically made of soft materials such as rubber, plastic, leather, or cloth, suitable for indoor and short-distance outdoor wear, and are a simple type of footwear suitable for wearing at home, on the beach, or other leisure occasions. Slippers are usually fixed on the foot by the natural shape of the foot without laces or other fixing devices. In some areas, slippers are also called flip-flops, sandals, or slippers.

[0003] The patent with the patent number CN220157673U discloses a vamp tightness adjustable slipper, which is provided with a limiting block, a reset spring, and a rotating rod. The first vamp and the second vamp are arranged on the upper sides of the sole, and a sliding groove is formed in the second vamp. A pull belt is connected to the sliding groove through sliding connection, and the left end of the pull belt is connected to the first vamp through an extension belt. When adjusting the tightness of the first vamp and the second vamp, the pull belt is moved in the second vamp, and the limiting block is ejected to the limiting groove in the pull belt through the elastic force of the reset spring. The position of the first vamp and the second vamp is adjusted and limited, and the position of the first vamp and the second vamp after adjustment is adjusted and reset by rotating the rotating rod.

[0004] The slipper in the above-mentioned scheme mainly adjusts the distance between the two vamps through the one-way movement characteristics of the ratchet and pawl, but when walking with the slippers, the pawl is easily loosened by the restriction, causing the two vamps to reset and causing inconvenience in use.

[0005] Therefore, it is necessary to provide a vamp tightness adjustable slipper to solve the above-mentioned problems. UTILITY MODEL CONTENTS

[0006] The utility model provides a vamp tightness adjustable slipper, which can improve the inconvenience in use caused by the loosening of the two vamps when walking with the slippers in the related art.

[0007] The embodiment of the present application provides a kind of vamp tightness adjustable slippers, including shoe sole, the shoe sole outer end is equipped with vamp, the vamp inside is hollowly arranged, and gas bag assembly is arranged in the vamp, the gas bag assembly changes the shoe face inflation volume by controlling inflation and deflation, the shoe sole outer end is provided with inflation assembly, the inflation assembly is provided with control assembly inside, the vamp outer end is provided with deflation assembly, the gas bag assembly includes side gas bag one, top gas bag one, top gas bag two and side gas bag two, the side gas bag one, top gas bag one, top gas bag two and side gas bag two are all installed in the vamp inside, and the two sides of top gas bag one and top gas bag two are respectively connected with the inside of side gas bag one and side gas bag two.

[0008] The above technical solutions in the embodiment of the present application have at least the following technical effects:

[0009] The inside of the vamp is provided with inflatable gas bag assembly, when user fills air into gas bag assembly by cooperating inflation assembly and control assembly, so that it can inflate, and the vamp is expanded from inside to outside, so that the distance between the vamp and foot can be adjusted, so that the purpose of adjusting tightness is achieved, and the inflation assembly is adjusted, which will not affect the daily use of slippers, and because of the soft characteristics of inflation assembly, it can also prevent the vamp of slippers from rubbing feet and improve the comfort when wearing.

[0010] In some embodiments, the inflation assembly includes a shell, the shell is fixedly installed on the outer end of the shoe sole, the shell is hollowly arranged inside, the control assembly is located on the inner side of the shell, one end of the shell is fixedly connected with a mounting ring, the other end of the shell is fixedly connected with a gas pipe, and the gas pipe is connected with the inside of the side gas bag two.

[0011] In some embodiments, the inflation assembly further includes a slide rod, the slide rod penetrates through the mounting ring and extends to the inside of the shell, one end of the slide rod located in the inside of the shell is fixedly connected with a piston, the piston is slidingly connected with the inner wall of the shell, and a one-way valve is arranged at the top end of the shell.

[0012] In some embodiments, the control assembly includes a sleeve, the sleeve is fixedly connected with the inner wall of the shell, the inside of the sleeve is connected with the shell, one end of the sleeve is connected with the gas pipe, and a gas hole is arranged at the other end of the sleeve.

[0013] In some embodiments, the control assembly further includes a valve seat matched with the gas hole, the valve seat is in abutment with the side wall of the gas hole, a telescopic spring is fixedly connected with the outer end of the valve seat, a fixed ring is mounted on one end of the sleeve, and the other end of the telescopic spring is fixedly connected with the fixed ring.

[0014] In some embodiments, the deflation assembly comprises a deflation seat, the deflation seat is in communication with the interior of the top air bag, a sealing ring is abutted at the air outlet of the deflation seat, and a fixed frame is fixedly installed on the inner side wall of the deflation seat.

[0015] In some embodiments, a reset spring is arranged between the sealing ring and the fixed frame, the outer end of the reset spring is abutted with the bottom end of the sealing ring, two fixed pins are fixedly installed on the outer end of the fixed frame, and sliding grooves adapted to the fixed pins are arranged at both ends of the reset spring. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the embodiments or prior art description will be briefly introduced as follows. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative effort on the basis of these drawings.

[0017] Figure 1 It is a schematic diagram of the overall structure of the present application;

[0018] Figure 2 It is a schematic diagram of the internal cross-sectional structure of the present application;

[0019] Figure 3 It is a schematic diagram of the inflation assembly structure of the present application;

[0020] Figure 4 It is a schematic diagram of the control assembly structure of the present application;

[0021] Figure 5 It is a schematic diagram of the deflation assembly structure of the present application;

[0022] Figure 6 It is a schematic diagram of the enlarged structure of the deflation assembly of the present application.

[0023] Explanation of reference numerals in the drawings:

[0024] 1, shoe sole;

[0025] 2, shoe upper;

[0026] 3, inflation assembly; 31, shell; 32, mounting ring; 33, sliding rod; 34, piston; 35, air pipe;

[0027] 4, deflation assembly; 41, deflation seat; 42, sealing ring; 43, fixed frame; 44, fixed pin; 45, reset spring; 46, sliding groove;

[0028] 5, one-way valve;

[0029] 6, air bag assembly; 61, side air bag one; 62, top air bag one; 63, top air bag two; 64, side air bag two;

[0030] 7, control assembly; 71, sleeve; 72, valve seat; 73, air hole; 74, telescopic spring; 75, fixed ring. DETAILED DESCRIPTION

[0031] In order to make the technical problems, technical solutions and beneficial effects of the present application more clear, the present application will be further described in detail below in combination with the drawings and examples. It should be understood that the specific examples described herein are only used to explain the present application, and are not used to limit the present application.

[0032] Based on this, the technical problems in the related art that when wearing slippers walking, the pawl is easily loosened by the restriction, thereby causing the two shoe faces to reset, and causing inconvenience in use can be improved.

[0033] Please refer to Figures 1-6 A shoe face tightness adjustable slipper, comprising a shoe sole 1, a shoe face 2 is installed at the outer end of the shoe sole 1, the inside of the shoe face 2 is hollowly arranged, and an air bag assembly 6 is arranged in the inside of the shoe face 2, the air bag assembly 6 changes the expansion volume of the shoe face 2 by controlling inflation and deflation, an inflation assembly 3 is arranged at the outer end of the shoe sole 1, a control assembly 7 is arranged in the inside of the inflation assembly 3, a deflation assembly 4 is arranged at the outer end of the shoe face 2, the air bag assembly 6 comprises a side air bag one 61, a top air bag one 62, a top air bag two 63 and a side air bag two 64, the side air bag one 61, the top air bag one 62, the top air bag two 63 and the side air bag two 64 are all installed in the inside of the shoe face 2, and the inside of the side air bag one 61 and the side air bag two 64 is respectively communicated with the two sides of the top air bag one 62 and the top air bag two 63.

[0034] Because the thickness of different people's feet is not necessarily the same, even if the size is the same, the height of the vamp cannot be suitable for everyone. The device in the scheme is mainly used to adjust the height of the vamp, so that it can be suitable for people with different instep thickness. The top of the sole 1 is provided with a vamp 2, the inside of the vamp 2 is hollow, and the air bag assembly 6 is installed in the hollow inside. The air bag assembly 6 can be pasted in the inside of the vamp 2 by glue, and the vamp 2 can be made of leather or cloth material, so that the air bag assembly 6 can be wrapped therein. The air bag assembly 6 is mainly composed of side air bag one 61, top air bag one 62, top air bag two 63 and side air bag two 64. The side air bag one 61 and the side air bag two 64 are symmetrical respectively and are mainly distributed on both sides of the vamp 2. The top air bag one 62 and the top air bag two 63 are mainly located in the middle of the vamp 2 near the top position. The inside of the vamp 2 can be filled by the side air bag one 61, the top air bag one 62, the top air bag two 63 and the side air bag two 64. The two sides of the top air bag one 62 and the top air bag two 63 are respectively connected with the side air bag one 61 and the side air bag two 64, so that the inside of the side air bag one 61, the top air bag one 62, the top air bag two 63 and the side air bag two 64 can be connected with each other. The top of the vamp 2 is provided with a deflation assembly 4, the deflation assembly 4 is connected with the top air bag two 63, and the deflation assembly 4 is mainly used for deflation, so that the inflation degree of the air bag assembly 6 can be adjusted.

[0035] The outside of the sole 1 is provided with an inflation assembly 3, and the inside of the inflation assembly 3 is provided with a control assembly 7. When the user cooperates the inflation assembly 3 and the control assembly 7, air can be filled into the air bag assembly 6, so that the air bag assembly 6 can be inflated, the vamp 2 can be expanded from inside to outside, the distance between the vamp and the foot can be adjusted, and the purpose of adjusting the tightness can be achieved. At the same time, the inflation assembly 3 is adjusted, which will not affect the daily use of the slippers. Because of the soft characteristics of the inflation assembly 3, the vamp of the slippers can prevent the feet from being rubbed, and the comfort during wearing can be improved.

[0036] Optionally, in some embodiments, please refer to Figure 3 The inflation assembly 3 comprises a shell 31, the shell 31 is fixedly installed at the outer end of the sole 1, the inside of the shell 31 is hollow, the control assembly 7 is located at the inner side of the shell 31, one end of the shell 31 is fixedly connected with a mounting ring 32, the other end of the shell 31 is fixedly connected with an air pipe 35, and the air pipe 35 is connected with the inside of the side air bag two 64.

[0037] The inflation assembly 3 further comprises a sliding rod 33, the sliding rod 33 penetrates through the mounting ring 32 and extends into the inside of the shell 31, one end of the sliding rod 33 located in the inside of the shell 31 is fixedly connected with a piston 34, the piston 34 is slidably connected with the inner wall of the shell 31, and the top of the shell 31 is provided with a one-way valve 5.

[0038] The inflating assembly 3 in the scheme is mainly used for inflating the air bag assembly 6, the inside of the shell 31 is hollow, and the shell 31 is fixed at the outer end of the sole 1. The control assembly 7 is arranged in the inside of the shell 31. The mounting ring 32 is fixed at one end of the shell 31, and the air pipe 35 is fixed at the other end. The shell 31 is connected with the inside of the side air bag two 64 through the air pipe 35. The slide rod 33 penetrates the mounting ring 32 and extends to the inside of the shell 31. The slide rod 33 is fixed with the piston 34 at one end. The piston 34 is in sliding connection with the inner wall of the shell 31. The one-way valve 5 is fixed at the outer end of the shell 31. The one-way valve 5 and the control assembly 7 have the same effect, that is, they both have the function of one-way air.

[0039] When it is needed to inflate the air bag assembly 6, the slide rod 33 needs to be pulled out first. At this time, the slide rod 33 will drive the piston 34 to slide outwards. At this time, the inside valve of the one-way valve 5 is opened, so that the outside air can enter the inside of the shell 31. The control assembly 7 is closed, so that the air in the air bag assembly 6 cannot flow back. When the slide rod 33 is pushed inwards, the piston 34 can push the air in the inside of the shell 31 to the control assembly 7. At this time, the control assembly 7 is opened, so that the air enters the air bag assembly 6. The one-way valve 5 is closed, so as to prevent the air from overflowing from the shell 31, thereby completing the inflation of the air bag assembly 6.

[0040] Optionally, in some embodiments, please refer to Figure 3 and Figure 4 The control assembly 7 includes a sleeve 71, which is fixedly connected with the inner wall of the shell 31. The inside of the sleeve 71 is connected with the shell 31, and one end of the sleeve 71 is connected with the air pipe 35. The other end of the sleeve 71 is provided with a gas hole 73.

[0041] The control assembly 7 further includes a valve seat 72 matched with the gas hole 73. The valve seat 72 is in abutment with the side wall of the gas hole 73. The outer end of the valve seat 72 is fixedly connected with a telescopic spring 74. One end of the sleeve 71 is provided with a fixed ring 75. The other end of the telescopic spring 74 is fixedly connected with the fixed ring 75.

[0042] The sleeve 71 is fixed on the inner wall of the shell 31, the inside of the sleeve 71 is hollow, a gas hole 73 is arranged on one end of the sleeve 71, the gas hole 73 is communicated with the inside of the shell 31, the other end of the sleeve 71 is fixed with a fixed ring 75, the inside of the sleeve 71 is provided with a valve seat 72, the outer edge of the valve seat 72 is inclined and matched with the gas hole 73, when the valve seat 72 abuts against the gas hole 73, the gas hole 73 can be completely blocked, so that it cannot be ventilated, the telescopic spring 74 is fixed between the valve seat 72 and the fixed ring 75, the telescopic spring 74 is mainly used for pushing the valve seat 72 to the gas hole 73, so that the gas hole 73 can be sealed, when the piston 34 pushes the air to the valve seat 72, the valve seat 72 can be extruded backward and the telescopic spring 74 is compressed, so that the gas hole 73 is opened, when the piston 34 is retracted, the telescopic spring 74 pushes the valve seat 72 to the gas hole 73 to reseal, the control assembly 7 has the same effect as the one-way valve 5, but the difference is that the one-way valve 5 mainly realizes one-way ventilation through the hollow spherical ball and the tapered channel, and the control assembly 7 is further provided with the telescopic spring 74, so that the valve seat 72 can always block the gas hole 73 to form a seal when it is not inflated.

[0043] Optionally, in some embodiments, please refer to Figure 5 and Figure 6 The deflation assembly 4 comprises a deflation seat 41, the deflation seat 41 is communicated with the inside of the top air bag two 63, the deflation seat 41 is abutted with a sealing ring 42 at the air outlet, and the deflation seat 41 is fixedly installed with a fixed frame 43 on the inner side wall.

[0044] The sealing ring 42 and the fixed frame 43 are provided with a reset spring plate 45, the outer end of the reset spring plate 45 abuts against the bottom end of the sealing ring 42, the fixed frame 43 is fixedly installed with two fixed pins 44 at the outer end, the reset spring plate 45 is provided with a sliding groove 46 matched with the fixed pin 44 at both ends, and the fixed pin 44 is slidably connected with the sliding groove 46.

[0045] The deflation assembly 4 in the scheme is mainly used for deflating the air bag assembly 6. The deflation seat 41 is installed on the upper layer of the vamp 2. The inside of the deflation seat 41 is communicated with the top air bag two 63. The sealing ring 42 is arranged in the inside of the deflation seat 41. The sealing ring 42 blocks the air outlet of the deflation seat 41, so that air leakage does not occur. The fixed frame 43 is fixed on the inner side wall of the deflation seat 41. The outer end of the fixed frame 43 is fixed with two fixed pins 44. The reset spring 45 is arranged between the sealing ring 42 and the fixed frame 43. The reset spring 45 is arranged in a trapezoidal shape. The top flat section is in abutment with the sealing ring 42. The bottom ends of the reset spring 45 are both provided with sliding grooves 46. The fixed pins 44 are in sliding connection with the sliding grooves 46. In the static state, the sealing ring 42 can be pushed upward by the elasticity of the reset spring 45, so that the deflation seat 41 is sealed. When deflation is needed, the sealing ring 42 can be poked downward by using a needle. At this time, the reset spring 45 can slide to both sides on the fixed pins 44 through the sliding grooves 46, so that the sealing ring 42 can leave the air outlet of the deflation seat 41, so that the air in the air bag assembly 6 can be discharged. When it is completed, the reset spring 45 can reset the sealing ring 42 to abut against the air outlet of the deflation seat 41 to complete the sealing.

[0046] Working principle: when the slippers need to adjust the distance between the vamp 2 and the instep, the slide rod 33 is repeatedly pulled outward and then pushed. When the piston 34 pushes the air to the valve seat 72, the valve seat 72 can be squeezed backward to open the air hole 73. When the piston 34 is retracted, the valve seat 72 is pushed to the air hole 73 by the extension spring 74 to form a seal again. By repeatedly pulling the slide rod 33, the air bag assembly 6 can be inflated to adjust the distance between the vamp and the foot, so as to achieve the purpose of adjusting the tightness. When deflation is needed, the sealing ring 42 can be poked downward by using a needle. At this time, the reset spring 45 can slide to both sides on the fixed pins 44 through the sliding grooves 46, so that the sealing ring 42 can leave the air outlet of the deflation seat 41, so that the air in the air bag assembly 6 can be discharged.

Claims

1. A slipper with adjustable tension of the upper, comprising a sole (1), characterized in that: The outer end of the shoe sole (1) is provided with a shoe upper (2), the inside of the shoe upper (2) is provided with a gas bag assembly (6), the gas bag assembly (6) changes the inflation volume of the shoe upper (2) by controlling inflation and deflation, the outer end of the shoe sole (1) is provided with an inflation assembly (3), the inside of the inflation assembly (3) is provided with a control assembly (7), the outer end of the shoe upper (2) is provided with a deflation assembly (4); The gas bag assembly (6) includes a side gas bag one (61), a top gas bag one (62), a top gas bag two (63) and a side gas bag two (64), the side gas bag one (61), the top gas bag one (62), the top gas bag two (63) and the side gas bag two (64) are all installed in the inside of the shoe upper (2), the top gas bag one (62) and the top gas bag two (63) are both connected with the inside of the side gas bag one (61) and the side gas bag two (64) respectively.

2. The adjustable tension slipper of claim 1, wherein: The inflation assembly (3) includes a shell (31), the shell (31) is fixedly installed at the outer end of the shoe sole (1), the inside of the shell (31) is provided with a hollow structure, the control assembly (7) is located inside the shell (31), one end of the shell (31) is fixedly connected with a mounting ring (32), the other end of the shell (31) is fixedly connected with an air pipe (35), the air pipe (35) is connected with the inside of the side gas bag two (64).

3. The adjustable tension slipper of claim 2, wherein: The inflation assembly (3) further includes a sliding rod (33), the sliding rod (33) penetrates through the mounting ring (32) and extends to the inside of the shell (31), one end of the sliding rod (33) located in the inside of the shell (31) is fixedly connected with a piston (34), the piston (34) is slidingly connected with the inner wall of the shell (31), the top end of the shell (31) is provided with a one-way valve (5).

4. The adjustable tension slipper of claim 2, wherein: The control assembly (7) includes a sleeve (71), the sleeve (71) is fixedly connected with the inner wall of the shell (31), the inside of the sleeve (71) is connected with the shell (31), one end of the sleeve (71) is connected with the air pipe (35), the other end of the sleeve (71) is provided with an air hole (73).

5. The adjustable tension slipper of claim 4, wherein: The control assembly (7) further includes a valve seat (72) matched with the air hole (73), the valve seat (72) is in abutment with the side wall of the air hole (73), the outer end of the valve seat (72) is fixedly connected with a telescopic spring (74), one end of the sleeve (71) is provided with a fixed ring (75), the other end of the telescopic spring (74) is fixedly connected with the fixed ring (75).

6. The adjustable tension slipper of claim 1, wherein: The deflation assembly (4) includes a deflation seat (41), the deflation seat (41) is connected with the inside of the top gas bag two (63), the air outlet of the deflation seat (41) is in abutment with a sealing ring (42), the inner wall of the deflation seat (41) is fixedly installed with a fixed frame (43).

7. The adjustable tension slipper of claim 6, wherein: Reset spring (45) is arranged between the sealing ring (42) and the fixed frame (43), the outer end of the reset spring (45) is in abutment with the bottom end of the sealing ring (42), the outer end of the fixed frame (43) is fixedly installed with two fixed pins (44), the both ends of the reset spring (45) are provided with sliding grooves (46) matched with the fixed pins (44), and the fixed pins (44) are slidably connected with the sliding grooves (46).

Citation Information

Patent Citations

  • Slippers with tightness-adjustable vamps

    CN220157673U