Sound control shoe cabinet

The voice-controlled shoe cabinet's airflow control system and cleaning device solve the problem of dust and bacteria on shoes during use, achieving automatic cleaning and deodorization, thus improving the user experience.

CN116035360BActive Publication Date: 2025-11-28SHANGRAO KANGRAN OPTICAL INSTRUMENT CO LTD
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Patent Information

Application Number
CN202310202041.8
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2023-03-03
Publication Date
2025-11-28
Estimated Expiration
2043-03-03

AI Technical Summary

Technical Problem

Existing shoe cabinets, during use, cause shoes to develop odors and bacteria due to dust and sweat inside, affecting the user experience.

Method used

A voice-controlled shoe cabinet was designed, comprising a shoe frame, a voice control device, a cleaning device, and an airflow control system. The system activates a one-way airflow device and an airflow blocking device via voice control, using airflow and temperature changes to accelerate the evaporation of dust and moisture. Combined with a sponge block to filter dust, it achieves automatic cleaning and deodorization.

Benefits of technology

It effectively removes dust and moisture from shoes, reduces bacterial growth, improves comfort and cleaning efficiency, and keeps shoes dry and odor-free.

✦ Generated by Eureka AI based on patent content.

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Abstract

The application discloses a sound control shoe cabinet and relates to the technical field of shoe cabinets. The sound control shoe cabinet comprises a shoe frame, a shoe changing stool is fixedly connected to the front face of the shoe frame, a sound control device is fixedly connected to the right side of the shoe frame, a shoe rack is fixedly connected to the inner wall of the shoe frame, and a cleaning device is fixedly connected to the back of the shoe frame. The sound control shoe cabinet has the following advantages. Since the shoe frame is in a sealed state, the gas content in the shoe frame increases gradually after the gas in the shoe frame gradually increases. The gradual increase of the gas extrudes the baffle, so that the baffle moves to the left. The baffle is arranged to keep the shoe frame in a short sealing state. The sealing process increases the temperature. Then, the gas in the shoe frame flows again after the baffle moves. The increase of the temperature accelerates the evaporation of moisture. In combination with the subsequent flow of the air flow, the evaporation of the moisture is accelerated when the air flow flows. Moreover, the air flow moves dust. The arrangement of the baffle produces multiple effects.
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Description

Technical Field

[0001] This invention relates to the field of shoe cabinet technology, specifically a voice-controlled shoe cabinet. Background Technology

[0002] A shoe cabinet is a type of cabinet used to display unused shoes. Its main purpose is to store shoes. With the continuous changes and innovations in style, it also serves the dual function of storing shoes and decoration.

[0003] Citing the national patent with patent number CN205457157U, the patent title is "A Shoe Cabinet", which includes: a shoe cabinet body, a shoe cabinet chamber, and a shoe cabinet door. The inner side of the shoe cabinet body is provided with a far-infrared heater, a sterilizer, a temperature detector, a humidity detector, a controller, and a fan. The upper ends of the left and right sides of the shoe cabinet body are provided with ventilation holes, and the lower ends of the left and right sides of the shoe cabinet body are provided with overflow holes. The shoe cabinet door is provided with an LCD display control panel, and the inner wall of the shoe cabinet has an infrared reflective film.

[0004] The aforementioned patent includes a far-infrared heater, a sterilizer, a temperature detector, a humidity detector, a controller, and a fan. However, during the use of the shoe cabinet, dust and sweat accumulate inside the shoes after they are worn, which can cause the shoes to develop odors and bacteria, affecting the smell of the shoe cabinet. Summary of the Invention

[0005] In view of the shortcomings of the prior art, the present invention provides a voice-controlled shoe cabinet to solve the problems mentioned in the background art.

[0006] To achieve the above objectives, the present invention is implemented through the following technical solution: a voice-controlled shoe cabinet, including a shoe frame, a shoe-changing stool fixedly connected to the front of the shoe frame, a voice control device fixedly connected to the right side of the shoe frame, a shoe rack fixedly connected to the inner wall of the shoe frame, and a cleaning device fixedly connected to the back of the shoe frame;

[0007] The cleaning device includes:

[0008] A tortuous tube, which is a rectangular structure, has its top fixedly connected to the back of the shoe frame, and generates airflow when the tortuous tube is squeezed.

[0009] A one-way airflow device, wherein the one-way airflow device has an "I" shaped structure, and the outer wall of the one-way airflow device is fixedly connected to the bottom of the bend tube. The one-way airflow device is used to prevent the one-way flow of airflow.

[0010] An airflow blocking device, which has a "T" shaped structure, is fixedly connected to the inner wall of the shoe frame and blocks airflow.

[0011] Air flow into the device, the air flow into the device is rectangular structure, the air flow into the device is fixedly connected to the inner wall of the shoe frame, the air flow into the device is used to prevent the one-way flow of air flow.

[0012] Preferably, the air flow one-way device includes a first air flow port, the first air flow port is opened in the bottom of the zigzag pipe, the inner wall of the first air flow port is inserted with a telescopic rod, the top of the telescopic rod is fixedly connected with a plug block inside the zigzag pipe, the bottom of the telescopic rod is fixedly connected with one end of the first spring, the other end of the first spring is fixedly connected with the bottom of the zigzag pipe, the plug block is made of rubber material, and is blocked in the bottom of the zigzag pipe.

[0013] Preferably, the air flow into the device includes a second air flow port, the second air flow port is opened in the outer wall of the shoe frame at the position of the zigzag pipe, the inner wall of the shoe frame is fixedly connected with a torsion spring at the position of the second air flow port, the outer wall of the torsion spring is rotatably connected with a blocking block, the size of the blocking block is matched with the size of the second air flow port, and the oval plate is made of rubber material and is blocked in the inner wall of the shoe frame to prevent air flow.

[0014] Preferably, the air flow preventing device includes a second spring, the inner left side of the shoe frame is fixedly connected with the left side of the second spring, the right side of the second spring is fixedly connected with a baffle, the top and the bottom of the baffle are both provided with a groove, the two grooves of the baffle are both inserted with a limiting block, the third spring is fixedly connected between the limiting block and the baffle, the outer wall of the limiting block is fixedly connected with an oval plate, the oval plate is movably contacted with the inner wall of the shoe frame, the left side of the shoe frame is provided with a third air flow port at the position of the shoe changing stool, the inner wall of the shoe frame is fixedly connected with a triangular block at the position of the third air flow port, the triangular block is movably contacted with the outer wall of the oval plate, the triangular block is conical, and gaps exist between the triangular blocks, when the oval plate is pressed onto the triangular blocks, the gaps between the triangular blocks make the air flow.

[0015] Preferably, the back of the shoe frame is fixedly connected with two slide rails at the positions of the two sides of the zigzag pipe, the outer wall of the slide rail is slidably connected with an electric sliding block, and the zigzag pipe is made of elastic material and can be contracted.

[0016] Preferably, the outer wall of the electric sliding block is fixedly connected with one end of a connecting rod, and the other end of the connecting rod is fixedly connected with the bottom of the zigzag pipe.

[0017] Preferably, the inner wall of the shoe frame is fixedly connected with a vertical plate at the position of the right side of the shoe rack, the outer wall of the vertical plate is provided with a hole, and the outer wall of the vertical plate is fixedly connected with an air bag at the position of the hole.

[0018] Preferably, the top of the shoe changing stool is hingedly connected with a cushion, and the bottom of the cushion is fixedly connected with a sponge block.

[0019] The application provides a sound control shoe cabinet.

[0020] 1. The sound control shoe cabinet detects the shoe changing process through the setting of the sound control device, and the gas flow is generated by the starting device when the shoe changing is detected, so that the shoes are put into the shoe frame during the shoe changing, and the gas flow is started to clean the moisture and dust when the shoes are taken off, so that the dust and moisture are more easily cleaned, the cleaning efficiency is accelerated, and the gas in the shoe frame is continuously increased during the rising and falling of the zigzag pipe through the setting of the blocking block and the blocking block.

[0021] 2. The sound control shoe cabinet is in a sealed state, and the gas content in the shoe frame increases after the gas in the shoe frame gradually increases, so that the baffle is pressed and moves to the left, and the baffle keeps the shoe frame in a short sealing state, the temperature rises during the sealing process, and then the gas in the shoe frame flows after the baffle moves, the temperature rise accelerates the evaporation of moisture, and the subsequent gas flow also accelerates the evaporation of moisture, and the gas flow also drives the dust to move, and the setting of the baffle produces multiple effects.

[0022] 3. The sound control shoe cabinet is in a sealed state, and the gas content in the shoe frame increases after the gas in the shoe frame gradually increases, so that the baffle is pressed and moves to the left, and the baffle keeps the shoe frame in a short sealing state, the temperature rises during the sealing process, and then the gas in the shoe frame flows after the baffle moves, the temperature rise accelerates the evaporation of moisture, and the subsequent gas flow also accelerates the evaporation of moisture, and the gas flow also drives the dust to move, and the setting of the baffle produces multiple effects.

[0023] 4. When the gas flow blows out, the gas flow drives the dust in the shoe frame to flow, and the gas flow also accelerates the evaporation of moisture on the shoes, so that the moisture flows into the shoe changing stool, avoiding the evaporated moisture from falling on the shoes again, and the gas flow also drives the dust on the shoes to fall, achieving the effect of cleaning the dust, and the reduction of the dust also reduces the breeding of bacteria.

[0024] 5. The gas in the shoe frame blows into the shoe changing stool, and the dust is stored in the shoe changing stool after being filtered by the sponge block, achieving the effect of storing dust, avoiding the dust from being blown out and directly discharged into the air, and the dust stored in the shoe changing stool is convenient for subsequent cleaning, and the gas filtered by the sponge block is then blown out from the hole of the cushion, so that the gas flow blows on the human body during the shoe changing process, increasing the comfort of the human body and the comfort during the shoe changing.

[0025] 6、The sound control shoe cabinet, through the airflow blows to the air bag, further makes the air bag swing, the airflow changes the blowing direction of the airflow when passing through the air bag, further makes the airflow blow to the shoes, the dust on the shoes is blown off by the airflow, the blowing direction of the airflow is more, further makes the position of the airflow blowing increase, further makes the airflow can clean more positions, the airflow blows and clears the dust on the shoes. BRIEF DESCRIPTION OF DRAWINGS

[0026] Figure 1 It is the shaft side three-dimensional structure schematic diagram of the present application;

[0027] Figure 2 It is the further flow structure schematic diagram of the present application Figure 1 ;

[0028] Figure 3 It is the partial structure schematic diagram of the present application cleaning device;

[0029] Figure 4 It is the positive cross-sectional structure schematic diagram of the present application Figure 3 ;

[0030] Figure 5 It is the further flow structure schematic diagram of the present application Figure 3 ;

[0031] Figure 6 It is the further flow structure schematic diagram of the present application Figure 4 ;

[0032] Figure 7 It is the enlarged structure schematic diagram of A part in the present application Figure 4 ;

[0033] Figure 8 It is the enlarged structure schematic diagram of B part in the present application Figure 4 ;

[0034] Figure 9 It is the enlarged structure schematic diagram of C part in the present application Figure 4 ;

[0035] Figure 10 It is the explosion structure schematic diagram of the present application Figure 3 .

[0036] In the diagram: 1. Shoe frame; 2. Voice control device; 3. Shoe changing stool; 4. Cleaning device; 41. Bending tube; 42. Slide rail; 43. Connecting rod; 44. Electric slider; 45. One-way airflow device; 451. Blocking block; 452. Telescopic rod; 453. First spring; 454. First airflow inlet; 46. Airflow blocking device; 461. Second spring; 462. Triangular block; 463. Limiting block; 464. Elliptical plate; 465. Third spring; 466. Baffle; 467. Third airflow inlet; 47. Airflow entry device; 471. Torsion spring; 472. Block; 473. Second airflow inlet; 48. Sponge block; 49. Cushion; 410. Airbag; 411. Vertical plate; 5. Shoe rack. Detailed Implementation

[0037] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments.

[0038] Examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and intended to explain the invention, and should not be construed as limiting the invention.

[0039] Example 1

[0040] Please see Figures 1-6 The present invention provides a technical solution: a voice-controlled shoe cabinet, including a shoe frame 1, a shoe changing stool 3 fixedly connected to the front of the shoe frame 1, a voice control device 2 fixedly connected to the right side of the shoe frame 1, a shoe rack 5 fixedly connected to the inner wall of the shoe frame 1, and a cleaning device 4 fixedly connected to the back of the shoe frame 1.

[0041] Cleaning device 4 includes:

[0042] The tortuous tube 41 has a rectangular structure. The top of the tortuous tube 41 is fixedly connected to the back of the shoe frame 1. When the tortuous tube 41 is squeezed, airflow is generated.

[0043] The airflow unidirectional device 45 has an "I" shaped structure. The outer wall of the airflow unidirectional device 45 is fixedly connected to the bottom of the tortuous tube 41. The airflow unidirectional device 45 is used to prevent the unidirectional flow of air.

[0044] Airflow blocking device 46, which has a "T" shaped structure, is fixedly connected to the inner wall of the shoe frame 1 and blocks the airflow.

[0045] Air flow into the device 47, air flow into the device 47 for rectangular structure, air flow into the device 47 is fixedly connected to the inner wall of the shoe frame 1, air flow into the device 47 for preventing the one-way flow of air.

[0046] In use, the shoe frame 1 is placed in the desired position, open shoe frame 1 on the door panel can leak out of the shoe rack 5, and then put shoes on the shoe rack 5, sound control device 2 is installed on the side of the shoe frame 1, when sitting on the cushion 49 of the shoe changing stool 3 to change shoes, the sound control device 2 is a sound control system, when detecting the sound of a person sitting on the cushion 49 to change shoes, the sound control device 2 controls the start of the electric sliding block 44, the electric sliding block 44 is located on the slide rail 42, the electric sliding block 44 drives the connecting rod 43 to follow the rising when starting, the connecting rod 43 follows the movement to extrude the zigzag pipe 41, when the zigzag pipe 41 is extruded, according to Figure 3 and Figure 5 The change of the position of the electric sliding block 44 further causes the zigzag pipe 41 to be compressed, and the original gas in the zigzag pipe 41 is extruded, the first air flow port 454 is pulled by the first spring 453, and the blocking block 451 is attached to the bottom of the zigzag pipe 41, preventing the discharge of gas, when the gas in the zigzag pipe 41 is extruded, the gas extrusion causes the blocking block 472 to be extruded, the torsional spring 471 itself has elasticity, and the blocking block 472 rotates around the torsional spring 471 as the axis, and then the second air flow port 473 leaks out after the blocking block 472 rotates, the extruded gas in the zigzag pipe 41 flows into the shoe frame 1 through the second air flow port 473, when the electric sliding block 44 moves to the top of the slide rail 42, then the electric sliding block 44 descends, at this time there is no gas passing through the second air flow port 473, so the blocking block 472 is clamped to the second air flow port 473 under the elasticity of the torsional spring 471, preventing the gas in the shoe frame 1 from being sucked back, when the zigzag pipe 41 descends, the space inside the zigzag pipe 41 increases, and the gas decreases, so that the gas outside the zigzag pipe 41 will lift the blocking block 451, and then the gas enters the zigzag pipe 41, after the outside air enters, the blocking block 451 is blocked at the bottom of the zigzag pipe 41 again under the elastic pulling of the first spring 453.

[0047] Example two

[0048] Based on the basis of example one, please refer to Figures 1-9 , add the following features:

[0049] The air flow one-way device 45 comprises a first air flow port 454, the first air flow port 454 is provided in the bottom of the zigzag pipe 41, the inner wall of the first air flow port 454 is inserted with an extension rod 452, the top of the extension rod 452 is fixedly connected with a blocking block 451 in the zigzag pipe 41, the bottom of the extension rod 452 is fixedly connected with one end of a first spring 453, and the other end of the first spring 453 is fixedly connected with the bottom of the zigzag pipe 41.

[0050] The air flow entering device 47 comprises a second air flow port 473, which is arranged on the outer wall of the shoe frame 1 at the position of the zigzag pipe 41. A torsion spring 471 is fixedly connected to the inner wall of the shoe frame 1 at the position of the second air flow port 473. A stop block 472 is rotatably connected to the outer wall of the torsion spring 471. The size of the stop block 472 is adapted to the size of the second air flow port 473.

[0051] The air flow stopping device 46 comprises a second spring 461, the left side of the shoe frame 1 is fixedly connected to the left side of the second spring 461. A baffle 466 is fixedly connected to the right side of the second spring 461. A slot is arranged on the top and the bottom of the baffle 466. A limiting block 463 is inserted into the two slots of the baffle 466. A third spring 465 is fixedly connected between the limiting block 463 and the baffle 466. An oval plate 464 is fixedly connected to the outer wall of the limiting block 463. The oval plate 464 is in movable contact with the inner wall of the shoe frame 1. A third air flow port 467 is arranged on the left side of the shoe frame 1 at the position of the shoe changing stool 3. A triangular block 462 is fixedly connected to the inner wall of the shoe frame 1 at the position of the third air flow port 467. The triangular block 462 is in movable contact with the outer wall of the oval plate 464.

[0052] Two slide rails 42 are fixedly connected to the two sides of the back of the shoe frame 1 at the position of the zigzag pipe 41. An electric sliding block 44 is slidably connected to the outer wall of the slide rail 42.

[0053] One end of a connecting rod 43 is fixedly connected to the outer wall of the electric sliding block 44. The other end of the connecting rod 43 is fixedly connected to the bottom of the zigzag pipe 41.

[0054] In use, since the shoe frame 1 is in a sealed state, the gas content in the shoe frame 1 increases after the gas in the shoe frame 1 gradually increases. The spacing between the molecules is reduced. The baffle 466 is extruded by the gradually increasing gas. According to the principle of the lever, the limiting block 463 is extruded by the baffle 466. The third spring 465 is compressed. The triangular block 462 is extruded by the limiting block 463. The oval plate 464 is extruded by the triangular block 462. The second spring 461 is compressed. The second air flow port 473 is closed. The gas in the shoe frame 1 is prevented from flowing out of the shoe frame 1. Figure 7As shown in the figure, the baffle 466 moves to the left under the elasticity of the third spring 465, pressing against the limiting block 463, and then the oval plate 464 is attached to the inner wall of the shoe frame 1, thereby preventing the flow of air and maintaining the sealing of the gas in the shoe frame 1. During the gradual increase of the gas, the distance between the gas molecules decreases, thereby increasing the friction between the gas molecules, and then the temperature in the shoe frame 1 rises, which makes the shoe follow the temperature rise. After the temperature rises, the evaporation of water in the shoe is accelerated, and the existence of water leads to the breeding of bacteria. With the gradual increase of the gas, the baffle 466 moves to the position of the triangular block 462, and at this time there is a gap between the oval plate 464 and the triangular block 462, thereby making the gas in the shoe frame 1 blow out from the gap between the triangular block 462 and the oval plate 464. When the air flow blows out, the air flow will carry the dust in the shoe frame 1 to flow, and the flow of air will also accelerate the evaporation of water on the shoe. After the gas blows out, the baffle 466 will be pressed by the elasticity of the second spring 461, making the baffle 466 move to the right, and then the baffle 466 is blocked in the shoe frame 1 again through the oval plate 464, so that the gas in the shoe frame 1 increases again. When the gas in the shoe frame 1 increases to the point where the baffle 466 moves up, the gas blows out again from the gap between the triangular block 462 and the oval plate 464.

[0055] Example Three

[0056] Based on the basis of Example One and Example Two, please continue to refer to Figures 1-10 , add the following features:

[0057] The inner wall of the shoe frame 1 is fixedly connected with a vertical plate 411 on the right side of the shoe rack 5, and the outer wall of the vertical plate 411 is provided with a hole. The outer wall of the vertical plate 411 is fixedly connected with an air bag 410 at the position of the hole.

[0058] The top of the shoe changing stool 3 is hingedly connected with a cushion 49, and the bottom of the cushion 49 is fixedly connected with a sponge block 48.

[0059] In use, the gas in the shoe frame 1 is blown out through the gap between the triangular block 462 and the oval plate 464, and then blown into the shoe changing stool 3 through the third air flow port 467. After being filtered by the sponge block 48, the dust is stored in the shoe changing stool 3. When cleaning is needed, the dust stored in the shoe changing stool 3 can be taken out by opening the cushion 49. The cushion 49 is provided with a hole. The gas filtered by the sponge block 48 is then blown out of the hole of the cushion 49. During the shoe changing process, the air flow is blown onto the human body, increasing the comfort of the human body. When the gas is blown into the shoe frame 1 through the second air flow port 473, the air flow flows from the second air flow port 473 into the third air flow port 467. The gas is blown onto the vertical plate 411 and then blown into the air bag 410. The gas passes through the hole on the back of the air bag 410 and is then blown onto the shoe rack 5. The air flow is blown onto the air bag 410, which in turn causes the air bag 410 to swing. When the air flow passes through the air bag 410, the swinging air bag 410 changes the blowing direction of the air flow, which in turn blows the air flow onto the shoes, causing the dust on the shoes to be blown off.

[0060] The above description is only a preferred embodiment of the present application, but the protection scope of the present application is not limited thereto. Any person skilled in the art can make equivalent replacements or changes to the technical solution and the inventive concept of the present application within the technical scope disclosed by the present application, which should be covered by the protection scope of the present application.

Claims

1. An acoustic shoe cabinet comprising a shoe frame, characterized by: The front of the shoe frame is fixedly connected with a shoe changing stool, the right side of the shoe frame is fixedly connected with a sound control device, and the back of the shoe frame is fixedly connected with a cleaning device; The cleaning device comprises a curved pipe, the top of the curved pipe is fixedly connected with the back of the shoe frame, two slide rails are fixedly connected on both sides of the back of the shoe frame, an electric sliding block is slidably connected to the outer wall of the slide rail, the sound control device controls the start of the electric sliding block when the sound of a person sitting on the shoe changing stool to change shoes is detected, the electric sliding block moves on the slide rail, the connecting rod is driven to rise when the electric sliding block is started, the connecting rod is extruded when it moves, and air flow is generated when the curved pipe is extruded; The outer wall of the air flow one-way device is fixedly connected with the bottom of the curved pipe, and the air flow one-way device is used to prevent the one-way flow of air flow; The air flow blocking device is fixedly connected to the inner wall of the shoe frame, and the air flow blocking device has an air flow blocking effect; The air flow entering device is fixedly connected to the inner wall of the shoe frame, and the air flow entering device is used to prevent the one-way flow of air flow; The air flow one-way device comprises a first air flow port, the first air flow port is formed in the bottom of the curved pipe, a telescopic rod is inserted into the inner wall of the first air flow port, a blocking block is fixedly connected to the top of the telescopic rod inside the curved pipe, one end of a first spring is fixedly connected to the bottom of the telescopic rod, and the other end of the first spring is fixedly connected with the bottom of the curved pipe; The air flow entering device comprises a second air flow port, the second air flow port is formed in the outer wall of the shoe frame at the position of the curved pipe, a torsional spring is fixedly connected to the inner wall of the shoe frame at the position of the second air flow port, a blocking block is rotatably connected to the outer wall of the torsional spring, and the size of the blocking block is adapted to the size of the second air flow port; The air flow blocking device comprises a second spring, the left side of the shoe frame is fixedly connected with the left side of the second spring, a baffle is fixedly connected to the right side of the second spring, grooves are formed in the top and bottom of the baffle, limit blocks are inserted into the two grooves of the baffle, a third spring is fixedly connected between the limit blocks and the baffle, an elliptical plate is fixedly connected to the outer wall of the limit block, the elliptical plate is in movable contact with the inner wall of the shoe frame, a third air flow port is formed in the left side of the shoe frame at the position of the shoe changing stool, a triangular block is fixedly connected to the inner wall of the shoe frame at the position of the third air flow port, and the triangular block is in movable contact with the outer wall of the elliptical plate.

2. The sound control shoe cabinet according to claim 1, characterized in that: The outer wall of the electric sliding block is fixedly connected with one end of a connecting rod, and the other end of the connecting rod is fixedly connected with the bottom of the curved pipe.

3. The sound control shoe cabinet according to claim 2, characterized in that: The top of the shoe changing stool is hingedly connected with a cushion, and the bottom of the cushion is fixedly connected with a sponge block.

Citation Information

Patent Citations

  • Shoe cabinet

    CN205457157U

  • Smart home shoe cabinet

    CN115517480A

  • Deodorizing shoe cabinet for clean room

    CN215604042U