Telescopic drying device for pedestal pan

By designing a retractable air duct structure, the problem of poor drying effect caused by fixing the warm air drying device of the smart toilet was solved, achieving a fast and effective drying effect, enhancing the drying function and reducing heat loss.

CN224206719UActive Publication Date: 2026-05-08GUANGDONG WEALWELL TECH CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
GUANGDONG WEALWELL TECH CO LTD
Filing Date
2025-05-14
Publication Date
2026-05-08

AI Technical Summary

Technical Problem

The existing smart toilets have fixed warm air drying devices and air outlets, resulting in poor drying effect and failing to meet consumers' demand for quick drying.

Method used

Design a toilet drying device with retractable air duct, including a fan, a fixed air duct, a movable air duct, and a telescopic drive assembly. The movable air duct can extend when in use and retract when not in use, and the air outlet can extend to a suitable position to improve the drying effect and speed.

Benefits of technology

The telescopic design of the air duct improves the drying effect and speed, avoids heat loss, enhances the drying function, and has a simple structure with small installation space.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a telescopic drying device for a pedestal pan. The telescopic drying device comprises a fan, a fixed air duct, a movable air duct and a telescopic driving assembly. The air outlet end of the draught fan is installed at the air inlet of the fixed air duct in a butt joint mode, and a heater is arranged at the air outlet end of the draught fan. The movable air duct and the fixed air duct are arranged in a sleeved mode, and the movable air duct has the telescopic freedom degree relative to the fixed air duct. The telescopic driving assembly is installed on the movable air duct and the fixed air duct and provides telescopic driving force for the movable air duct. According to the telescopic drying device for the pedestal pan, the air channel is divided into the fixed air channel and the movable air channel, the fixed air channel and the movable air channel are arranged in a sleeved mode, under the action of the telescopic driving assembly, the movable air channel can be pushed out when the telescopic drying device is used, and the movable air channel can be pulled back when the telescopic drying device is not used. Therefore, the air outlet can extend to a proper drying position, the drying effect is improved, the drying speed is increased, and heat loss is avoided.
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Description

Technical Field

[0001] This utility model relates to the technical field of toilet accessories, and in particular to a toilet retractable drying device. Background Technology

[0002] With the widespread application of smart toilets, people have increasingly higher requirements for the functional experience of smart toilets. Existing smart toilet warm air drying devices are mainly fixed in position, with fixed air outlets or using blade structures to swing the air outlet to change the air direction and increase the area blown by the air outlet. However, the warm air drying device is fixed, and the air outlet is fixed, which is far away from the buttocks being washed. This results in the warm air drying function being unable to dry or having low drying efficiency and long drying time, which can no longer meet the drying effect expected by consumers for the warm air drying function, becoming a pain point for both the industry and consumers. In order to solve this pain point, this utility model provides a drying device with a telescopic air duct. Utility Model Content

[0003] To solve the above-mentioned technical problems, this utility model proposes a toilet drying structure with a retractable air duct.

[0004] A retractable toilet drying device includes a fan, a fixed air duct, a movable air duct, and a retractable drive assembly. Specifically,

[0005] The air outlet of the fan is connected to the air inlet of the fixed air duct, and a heater is provided at the air outlet of the fan to provide hot air with a drying effect to the air duct.

[0006] The movable air duct and the fixed air duct are nested together, and the movable air duct has a degree of freedom to extend and retract relative to the fixed air duct, so that the movable air duct can extend when in use and retract when not in use.

[0007] The telescopic drive assembly is installed in the mobile air duct and the fixed air duct, and provides the telescopic drive force for the mobile air duct.

[0008] The toilet retractable drying device provided by this utility model divides the air duct into a fixed air duct and a movable air duct, which are interlocked. Under the action of the retractable drive component, the movable air duct can be pushed out when in use and pulled back when not in use, so that the air outlet can be extended to a more suitable drying position, improving the drying effect and speed, and avoiding heat loss.

[0009] Preferably, the movable air duct is telescopically installed inside the fixed air duct, and a sealing structure is provided between the movable air duct and the fixed air duct to prevent air from leaking out from the gap between the movable air duct and the fixed air duct.

[0010] Preferably, to enhance the functionality of the drying device, the movable air duct includes a drying pipe and a deodorizing pipe, which are arranged parallel to each other and spaced apart, and connected together at the air outlet of the drying pipe. The fixed air duct is also divided into a first channel and a second channel by a partition. The drying pipe and the deodorizing pipe are respectively telescopically installed in the first channel and the second channel, so that during deodorization, the deodorizing pipe can extend to the center of the toilet bowl surface for air intake.

[0011] Preferably, the sealing structure includes a sealing slot and a sealing ring. The sealing slot is located on the outer periphery of the second channel near the air intake end and extends through it. The sealing ring is inserted into the sealing slot and fitted snugly around the outer periphery of the deodorizing pipe. The sealing ring is fixedly installed on the fixed air duct by a snap fastener, thereby sealing the gap between the deodorizing pipe and the second channel. Alternatively, the sealing structure includes an annular rib located on the outer periphery of the air outlet end of the deodorizing pipe, which can reduce the gap between the deodorizing pipe and the second channel and also has a sealing function, thereby preventing odor from escaping through the gap between the deodorizing pipe and the second channel during deodorization.

[0012] Preferably, a baffle is installed at one end of the outer periphery of the movable air duct, and a guide strip is provided at the other end. A guide groove is provided inside the fixed air duct corresponding to the guide strip. The movable air duct is inserted into the fixed air duct and guided by the guide strip and the guide groove. The baffle restricts the movable air duct from being completely retracted into the fixed air duct.

[0013] Preferably, the telescopic drive assembly is driven by a cylinder, a rack and pinion, or a synchronous belt. Alternatively, the telescopic drive assembly includes a stepper motor, a drive wheel, and a steel belt. The stepper motor is installed at the air inlet end of the fixed air duct and drives the drive wheel to reciprocate. One end of the steel belt is wrapped around the outer circumference of the drive wheel, and the other end is connected to and drives the movable air duct to telescopically move. This design is simple in structure, small in size, and allows for variable thrust or pull direction.

[0014] Preferably, in order to extend directly below the user's buttocks and have a certain interval, both the moving air duct and the fixed air duct adopt a downward curved arc structure. In addition, the bottom of the air inlet end of the fixed air duct is provided with an opening, the stepper motor is installed at the bottom of the air inlet end of the fixed air duct, and the end of the steel strip extends through the opening to the bottom between the moving air duct and the fixed air duct and connects to the moving air duct.

[0015] Preferably, the bottom of the fixed air duct inner cavity is provided with a guide groove along the length of the fixed air duct, and a stop block is installed at the end of the guide groove. The bottom of the movable air duct is provided with a guide block, which moves within the guide groove as the movable air duct extends and retracts, and the end of the steel strip is installed together with the guide block.

[0016] Preferably, the air inlet end of the fixed air duct is provided with a fan fixing bracket, and the fan is installed on the fan fixing bracket.

[0017] Preferably, the fixed air duct and the fan mounting bracket are assembled with snap-fit ​​or integrally formed. The telescopic drive assembly is fixedly installed at the air inlet end of the fixed air duct with screws.

[0018] As can be seen from the above description of this utility model, this utility model has the following beneficial effects:

[0019] The toilet retractable drying device provided by this utility model divides the air duct into a fixed air duct and a movable air duct, which are nested together. Under the action of the retractable drive component, the movable air duct can be pushed out when in use and pulled back when not in use, so that the air outlet can be extended to a more suitable drying position, improving the drying effect and speed, and avoiding heat loss.

[0020] A sealing structure is provided between the mobile air duct and the fixed air duct to prevent air from leaking out from the gap between the mobile air duct and the fixed air duct;

[0021] The mobile air duct includes a drying pipe and a deodorizing pipe, which can increase the functionality of the drying device;

[0022] The telescopic drive assembly adopts a steel belt structure, which is not only simple in structure and requires little installation space, but also can provide the mobile air duct with a variable thrust or pull force. Attached Figure Description

[0023] The accompanying drawings, which are provided to further illustrate the present invention and constitute a part of the present invention, illustrate exemplary embodiments of the present invention and are used to explain the present invention, but do not constitute an undue limitation of the present invention.

[0024] in:

[0025] Figure 1 This is an axonometric view of a toilet retractable drying device;

[0026] Figure 2 This is an exploded view of a retractable drying device for a toilet.

[0027] Figure 3 A cross-section of a toilet retractable drying device Figure 1 (The mobile air duct is in retracted state)

[0028] Figure 4 A cross-section of a toilet retractable drying device Figure 2 (With the mobile air duct extended, the drying function is activated)

[0029] Figure 5 It is about Figure 4 A magnified view of a section at point A;

[0030] Figure 6 A cross-section of a toilet retractable drying device Figure 3 (The mobile air duct is in retracted state)

[0031] Figure 7 A cross-section of a toilet retractable drying device Figure 4 (With the mobile air duct extended, the deodorization function is activated)

[0032] Figure 8 A cross-section of a toilet retractable drying device Figure 5 ;

[0033] Figure 9 It is about Figure 8 A magnified view of section B;

[0034] Figure 10 Explosions in fixed and mobile air ducts Figure 1 ;

[0035] Figure 11 Explosions in fixed and mobile air ducts Figure 2 ;

[0036] Figure 12 This is a front view of the drive wheel;

[0037] Figures 1 to 12 The markings are as follows: Fan 1, Fixed air duct 2, Guide slide 21, Sealing slot 22, Sealing ring 23, Buckle 24, Opening 25, Guide groove 26, Stop block 27, First channel 28, Second channel 29, Moving air duct 3, Baffle 31, Guide strip 32, Annular rib 33, Guide block 34, Drying pipe 35, Deodorizing pipe 36, Telescopic drive assembly 4, Stepper motor 41, Transmission wheel 42, Steel belt 43, Heater 5, Fan fixed bracket 6. Detailed Implementation

[0038] To make the technical problem to be solved, the technical solution, and the beneficial effects of this utility model clearer and more understandable, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain this utility model and are not intended to limit this utility model.

[0039] Please see Figures 1 to 12 A retractable drying device for a toilet includes a fan 1, a fixed air duct 2, a movable air duct 3, and a retractable drive assembly 4. Specifically,

[0040] The air outlet of the fan 1 is connected to the air inlet of the fixed air duct 2, and a heater 5 is provided at the air outlet of the fan 1, which can provide hot air with a drying effect to the air duct.

[0041] In one embodiment, the air inlet end of the fixed air duct 2 is provided with a fan mounting bracket 6, and the fan 1 is mounted on the fan mounting bracket 6. Preferably, the fixed air duct 2 and the fan mounting bracket 6 are assembled or integrally formed by snap-fit ​​24.

[0042] The movable air duct 3 and the fixed air duct 2 are nested together, and the movable air duct 3 has a degree of freedom to extend and retract relative to the fixed air duct 2, so that the movable air duct 3 can extend when in use and retract when not in use.

[0043] In one embodiment, the movable air duct 3 is telescopically installed within the fixed air duct 2. Preferably, a baffle 31 is installed at one end of the outer periphery of the movable air duct 3, and a guide strip 32 is provided at the other end. A guide groove 21 is provided inside the fixed air duct 2 corresponding to the guide strip 32. The movable air duct 3 is inserted into the fixed air duct 2 and guided by the guide strip 32 and the guide groove 21. The baffle 31 restricts the movable air duct 3 from being completely retracted into the fixed air duct 2.

[0044] Based on the above embodiments, to enhance the functionality of the drying device, the movable air duct 3 includes a drying pipe 35 and a deodorizing pipe 36, which are arranged parallel to each other and spaced apart, and connected together at the air outlet of the drying pipe 35. The fixed air duct 2 is also divided into a first channel 28 and a second channel 29 by a partition. The drying pipe 35 and the deodorizing pipe 36 are respectively telescopically installed in the first channel 28 and the second channel 29, so that during deodorization, the deodorizing pipe 36 can extend to the center of the toilet bowl surface for air intake.

[0045] In addition, a sealing structure is provided between the movable air duct 3 and the fixed air duct 2 to prevent air leakage, especially odor, from the gap between them. In one embodiment, the sealing structure includes a sealing slot 22 and a sealing ring 23. The sealing slot 22 is located on the outer periphery of the second channel 29 near the suction end and extends through it. The sealing ring 23 is inserted into the sealing slot 22 and fits snugly around the outer periphery of the deodorizing pipe 36. The sealing ring 23 is fixedly installed on the fixed air duct 2 by a snap fastener 24, thereby sealing the gap between the deodorizing pipe 36 and the second channel 29. Alternatively, in another embodiment, please refer to... Figure 8 and Figure 9The sealing structure includes an annular rib 33 disposed on the outer periphery of the air outlet end of the deodorizing pipe 36, which can reduce the gap between the deodorizing pipe 36 and the second channel 29 and also has a sealing function, thereby preventing odor from overflowing through the gap between the deodorizing pipe 36 and the second channel 29 during deodorization.

[0046] The telescopic drive assembly 4 is installed on the moving air duct 3 and the fixed air duct 2, and provides the driving force for the telescopic movement of the moving air duct 3. The telescopic drive assembly 4 can be driven by a cylinder, a gear and rack, or a synchronous belt, etc. For example, in this embodiment, the telescopic drive assembly 4 includes a stepper motor 41, a transmission wheel 42, and a steel belt 43. The stepper motor 41 is installed at the air inlet end of the fixed air duct 2 and drives the transmission wheel 42 to reciprocate. One end of the steel belt 43 is wrapped around the outer circumference of the transmission wheel 42, and the other end is connected to and drives the moving air duct 3 to telescopically move. The structure is simple and small in size, and the direction of the thrust or pull force is variable.

[0047] Based on the above embodiments, to extend directly below the user's buttocks and maintain a certain distance, both the movable air duct 3 and the fixed air duct 2 adopt a downwardly curved arc structure. Furthermore, the bottom of the air inlet end of the fixed air duct 2 has an opening 25. The stepper motor 41 is installed at the bottom of the air inlet end of the fixed air duct 2. The end of the steel strip 43 extends through the opening 25 between the bottoms of the movable air duct 3 and the fixed air duct 2, and connects to the movable air duct 3. Preferably, the bottom of the inner cavity of the fixed air duct 2 has a guide groove 26 along its length. The bottom of the movable air duct 3 has a guide block 34, which moves within the guide groove 26 as the movable air duct 3 extends and retracts. Additionally, a stop block 27 is installed at the end of the guide groove 26 to prevent the movable air duct 3 from completely detaching from the fixed air duct 2. Furthermore, preferably, the telescopic drive assembly 4 is fixedly installed at the air inlet end of the fixed air duct 2 with screws. The end of the steel strip 43 is installed together with the guide block 34.

[0048] When in use, the telescopic drive assembly 4 is activated and the mobile air duct 3 is extended, while the fan 1 provides hot air to the air duct. When not in use, the fan 1 stops, and the telescopic drive assembly 4 is activated and the mobile air duct 3 is pulled back.

[0049] The toilet retractable drying device provided by this utility model divides the air duct into a fixed air duct 2 and a movable air duct 3, which are nested together. Under the action of the retractable drive component 4, the movable air duct 3 can be pushed out when in use and pulled back when not in use, so that the air outlet can be extended to a more suitable drying position, improving the drying effect and speed, and avoiding heat loss.

[0050] In the description of this utility model, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model.

[0051] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of that feature. In the description of this utility model, "a plurality of" means at least two, such as two, three, etc., unless otherwise explicitly specified.

[0052] In this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," "joining," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection, an electrical connection, or a connection that allows communication between them; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components, unless otherwise explicitly limited. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0053] In this utility model, unless otherwise explicitly specified and limited, "above" or "below" the second feature can mean that the first feature is in direct contact with the second feature, or that the first feature is in indirect contact with the second feature through an intermediate medium. Furthermore, "above," "on top of," and "over" the second feature can mean that the first feature is directly above or diagonally above the second feature, or simply that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature can mean that the first feature is directly below or diagonally below the second feature, or simply that the first feature is at a lower horizontal level than the second feature.

[0054] In this utility model, the terms "one embodiment," "some embodiments," "example," "specific example," or "some examples," etc., refer to a specific feature, structure, material, or characteristic described in connection with that embodiment or example, which is included in at least one embodiment or example of this utility model. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples. Furthermore, without contradiction, those skilled in the art can combine and integrate the different embodiments or examples described in this specification, as well as the features of different embodiments or examples.

[0055] Although the above embodiments have been shown and described, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention. Any changes, modifications, substitutions and variations made to the above embodiments by those skilled in the art are within the protection scope of the present invention.

Claims

1. A retractable drying device for a toilet seat, characterized in that, Includes fans, fixed air ducts, mobile air ducts, and telescopic drive components; The air outlet of the fan is connected to the air inlet of the fixed air duct, and a heater is provided at the air outlet of the fan. The movable air duct and the fixed air duct are nested together, and the movable air duct has a degree of freedom to extend and retract relative to the fixed air duct. The telescopic drive assembly is installed in the mobile air duct and the fixed air duct, and provides the telescopic drive force for the mobile air duct.

2. The toilet seat retractable drying device according to claim 1, characterized in that, The mobile air duct is telescopically installed inside the fixed air duct, and a sealing structure is provided between the mobile air duct and the fixed air duct.

3. A toilet seat retractable drying device according to claim 2, characterized in that, The mobile air duct includes a drying pipe and a deodorizing pipe, which are arranged in parallel and spaced apart, and connected together at the air outlet of the drying pipe; the fixed air duct is also divided into a first channel and a second channel by a partition, and the drying pipe and the deodorizing pipe are respectively telescopically installed in the first channel and the second channel.

4. A toilet seat retractable drying device according to claim 3, characterized in that, The sealing structure includes a sealing slot and a sealing ring. The sealing slot is located on the outer periphery of the second channel near the air intake end and is through the channel. The sealing ring is inserted into the sealing slot and fits snugly on the outer periphery of the deodorizing pipe. The sealing ring is fixedly installed on the fixed air duct by a snap fastener. Alternatively, the sealing structure includes an annular rib located on the outer periphery of the air outlet end of the deodorizing pipe.

5. A toilet seat retractable drying device according to claim 2, characterized in that, A baffle is installed at one end of the outer periphery of the movable air duct, and a guide strip is provided at the other end. A guide groove is provided inside the fixed air duct corresponding to the guide strip. The movable air duct is inserted into the fixed air duct and guided by the guide strip and the guide groove. The baffle restricts the movable air duct from being completely retracted into the fixed air duct.

6. A toilet seat retractable drying device according to claim 1, characterized in that, The telescopic drive assembly is driven by a cylinder, a gear and rack, or a synchronous belt. Alternatively, the telescopic drive assembly includes a stepper motor, a transmission wheel, and a steel belt. The stepper motor is installed at the air inlet end of the fixed air duct and drives the transmission wheel to rotate reciprocally. One end of the steel belt is wrapped around the outer circumference of the transmission wheel, and the other end is connected to and drives the movable air duct to telescopically move.

7. A toilet seat retractable drying device according to claim 6, characterized in that, Both the mobile air duct and the fixed air duct adopt a downward curved arc structure. The bottom of the air inlet end of the fixed air duct is provided with an opening. The stepper motor is installed at the bottom of the air inlet end of the fixed air duct. The end of the steel strip extends through the opening between the bottom of the mobile air duct and the fixed air duct and connects to the mobile air duct.

8. A toilet seat retractable drying device according to claim 7, characterized in that, The bottom of the fixed air duct inner cavity is provided with a guide groove along the length of the fixed air duct, and the end of the guide groove is provided with a stop block; the bottom of the movable air duct is provided with a guide block, which moves in the guide groove as the movable air duct extends and retracts, and the end of the steel strip is installed together with the guide block.

9. A toilet seat retractable drying device according to claim 1, characterized in that, The air inlet end of the fixed air duct is provided with a fan fixing bracket, and the fan is installed on the fan fixing bracket.

10. A toilet seat retractable drying device according to claim 1, characterized in that, The fixed air duct and the fan mounting bracket are assembled by snap-fit ​​or integrally formed; the telescopic drive assembly is fixedly installed at the air inlet end of the fixed air duct by screws.