Ventilation drying structure of toilet

Abstract

The invention relates to the technical field of ventilation and drying of toilets, in particular to a ventilation and drying structure of a toilet, which comprises an air inlet channel at least partially positioned in a suspended ceiling at the top of the toilet and provided with an air inlet; the fan is arranged on the air inlet channel; the filtering assembly is used for filtering air entering from the air inlet, the filtering assembly is arranged on the air inlet channel, and the filtering assembly is located between the air inlet and the fan; the at least one pedal table is arranged on the ground of the toilet and is provided with a ventilation unit; wherein the ventilation unit comprises an air outlet and a ventilation air duct; the air outlet is formed in the pedal table, and the ventilation air duct is arranged in the pedal table; one end of the ventilation duct is communicated with the air inlet channel, and the other end is communicated with the air outlet; a flow guide structure is arranged at the air outlet and used for guiding airflow flowing out of the air outlet to the ground at a certain angle.

Description

Technical Field

[0001] This invention relates to the field of ventilation and drying technology for bathrooms, and in particular to a ventilation and drying structure for bathrooms. Background Technology

[0002] With the continuous increase in passenger flow in large public buildings such as airports, train stations, service areas, and shopping malls, the cleaning and maintenance of their supporting public restrooms are facing increasingly severe challenges. Frequent cleaning and splashing water during handwashing can easily leave water stains on restroom floors, making them slippery and significantly increasing the risk of pedestrians slipping and falling.

[0003] Currently, to accelerate floor drying, cleaning staff commonly use large, mobile floor drying equipment. This type of equipment draws outside air into the machine through an air inlet and then blows it out through a turbine nozzle. For example, patent application number 2022219790505 discloses a floor drying device with deodorizing function, including a housing with an air outlet on one side, four casters evenly distributed on the bottom of the housing, a control panel on the upper front of the housing, air inlets on the upper sides and rear of the housing, a support frame on the bottom inside the housing, a fan on the support frame, an air duct on one side of the fan that connects to the air outlet and the air outlet, heating devices on both sides of the fan, a partition above the heating devices, and an adsorption device on the partition.

[0004] While the aforementioned floor drying device can quickly dry the floor, the device itself is large and requires a temporary power cord during use. This not only occupies the already limited passage space and hinders the normal flow of people, but the exposed wires and the device itself also pose potential tripping hazards, further affecting the safety and passage efficiency in the restroom. Summary of the Invention

[0005] In view of the shortcomings or problems existing in the prior art, this disclosure provides a ventilation and drying structure for a bathroom, which can effectively dry the bathroom floor without occupying the passage space of the bathroom.

[0006] The technical solution adopted by this disclosure to solve the above-mentioned technical problem is: a ventilation and drying structure for a bathroom, comprising: An air intake duct, at least part of which is located within the suspended ceiling of the bathroom, is equipped with an air intake vent. The fan is installed on the air inlet duct; A filter assembly for filtering air entering through the air inlet, the filter assembly being disposed on the air inlet channel and located between the air inlet and the fan; At least one footstool, located on the floor of the bathroom, is equipped with a ventilation unit; The ventilation unit includes an air outlet and a ventilation duct; the air outlet is located on the footrest, and the ventilation duct is located inside the footrest; one end of the ventilation duct is connected to the air inlet channel, and the other end is connected to the air outlet; A flow guide structure is provided at the air outlet, which is used to guide the airflow from the air outlet to the ground at a certain angle.

[0007] In a preferred embodiment, the air intake channel includes a first channel and a second channel that are interconnected. The first channel is located inside the ceiling, and the second channel extends along the wall of the bathroom. The fan and filter assembly are both located in the first channel, the air inlet is located at the end of the first channel, and the second channel is connected to the ventilation duct.

[0008] In a preferred embodiment, the filtration assembly includes a primary filtration layer, and the filter element of the primary filtration layer is a filter screen.

[0009] In a preferred embodiment, the filtration assembly further includes a secondary filtration layer, wherein the primary filtration layer and the secondary filtration layer are arranged sequentially along the airflow direction; the filter element of the secondary filtration layer is an adsorption filter element.

[0010] In a preferred embodiment, the footrest has a front side and a rear side that are arranged opposite to each other, with the air outlet located on the front side.

[0011] In a preferred embodiment, the air outlet is detachably connected to a cover plate, the cover plate including a frame and multiple baffles, the air guiding structure being multiple baffles disposed on the frame, the multiple baffles being parallel to each other and evenly spaced from top to bottom.

[0012] In a preferred embodiment, the baffle is inclined relative to the ground at an angle of 35°-50°.

[0013] In a preferred embodiment, the lower edge of the frame is 20-30mm from the ground.

[0014] In a preferred embodiment, the second channel is also provided with a sterilization component, which is located close to the ventilation duct.

[0015] In a preferred embodiment, the sterilization component is an ozone generator or an ultraviolet lamp; a heating element is provided at the air outlet.

[0016] Compared with existing technologies, the beneficial effects of this invention are as follows: The ventilation duct and air outlet are integrated into the footrest, making full use of the footrest's internal space without requiring additional independent air supply ducts or occupying wall / floor space. This integrates structure and function, saving space while resulting in a more streamlined and cleaner overall layout. Placing the air outlet on the footrest creates low-level airflow near the ground, promoting a top-down directional circulation that accelerates moisture evaporation and increases drying speed. Placing the filter assembly before the fan effectively prevents debris from entering and adhering to the fan impeller or motor, avoiding damage to the fan, while also filtering the air. The guide structure at the air outlet concentrates potentially diffused airflow and directs it towards the ground at a preset angle, achieving precise air delivery and improving drying efficiency. Attached Figure Description

[0017] Figure 1 This is one of the structural diagrams of the ventilation and drying structure of the bathroom in this application; Figure 2 This is the second structural diagram of the ventilation and drying structure of the bathroom in this application; Figure 3 This is the third structural diagram of the ventilation and drying structure of the bathroom in this application; Figure 4 This is the fourth structural diagram of the ventilation and drying structure of the bathroom in this application; Figure 5 This is a cross-sectional view of the ventilation and drying structure of the bathroom in this application.

[0018] In the diagram: 1. Air inlet channel; 2. First channel; 3. Second channel; 4. Foot platform; 5. Air inlet; 6. Air outlet; 7. Filter assembly; 8. Fan; 9. Cover plate; 10. Ceiling; 11. Ventilation duct. Detailed Implementation

[0019] To enable those skilled in the art to better understand the technical solutions of this disclosure, the following detailed, clear, and complete description of this disclosure is provided in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of this disclosure and are not intended to limit it.

[0020] Those skilled in the art should understand that, in the disclosure of this invention, the terms "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, the above terms should not be construed as limiting this invention.

[0021] Public restrooms typically contain multiple toilet stalls, usually located on footrests 4. Each individual stall has a footrest 4 and a toilet stall on it. The footrests 4 between adjacent stalls can be independent (not connected to each other) or connected. The toilet stalls in this application include squat toilets and sit-down toilets. The washbasin in the restroom is usually positioned opposite the footrest. The floor between the washbasin and the footrest often becomes slippery due to splashing water during cleaning or handwashing, easily causing pedestrians to slip and fall.

[0022] Therefore, please refer to Figures 1-5 As shown, this application discloses a ventilation and drying structure for a bathroom, including an air inlet channel 1, a fan 8, a filter assembly 7, and at least one footrest 4. The air inlet channel 1 is at least partially located within the suspended ceiling 10 of the bathroom. The air inlet channel 1 is provided with an air inlet 5, through which air enters the air inlet channel 1. The fan 8 is located on the air inlet channel 1. The filter assembly 7 is used to filter the air entering through the air inlet 5. The filter assembly 7 is located on the air inlet channel 1 and between the air inlet 5 and the fan 8. The footrest 4 is provided with a ventilation unit, which includes an air outlet 6 and a ventilation duct 11. The air outlet 6 is located on the footrest 4, and the ventilation duct 11 is located inside the footrest 4. One end of the ventilation duct 11 is connected to the air inlet channel 1, and the other end is connected to the air outlet 6. A guide structure is provided at the air outlet 6 to guide the airflow from the air outlet 6 to the ground at a certain angle. The air intake duct 1 is at least partially located within the suspended ceiling 10, making full use of the concealed space and ensuring a clean visual appearance in the bathroom. The ventilation duct 11 and air outlet 6 are integrated into the footrest 4, fully utilizing its internal space without requiring separate air supply ducts or occupying wall / floor space. This integrates structure and function, saving space while creating a more streamlined and tidy overall layout. The air outlet 6 is positioned on the footrest 4, creating low-level airflow near the ground. This method promotes directional airflow from top to bottom, accelerating moisture evaporation and increasing drying speed. Placing the filter assembly 7 before the fan 8 effectively prevents debris from entering and adhering to the impeller or motor of the fan 8, avoiding damage, while also filtering the air. Furthermore, the airflow guiding structure concentrates the potentially diffused airflow and directs it to the ground at a preset angle, enabling efficient drying of the floor.

[0023] For further details, please continue reading. Figure 4As shown, the air intake duct 1 includes a first duct 2 and a second duct 3 that are interconnected. The first duct 2 is parallel to the ceiling 10 and located inside the ceiling 10. The second duct 3 is perpendicular to the first duct 2 and extends downward along the wall surface or interior of the bathroom. Specifically, the second duct 3 is located on the side of the bathroom and close to the bathroom wall. The second duct 3 is sequentially connected to each ventilation unit. The fan 8 is used to continuously and stably draw external air into the air intake duct 1 and finally out through the air outlet 6, thereby forming a continuous dry ventilation airflow. This fan includes, but is not limited to, a centrifugal fan 8 or a mixed-flow fan 8. The fan 8 and the filter assembly 7 are both located in the first duct 2. The air inlet 5 is located in the first duct 2. The second duct 3 is connected to the ventilation duct 11. Placing the fan 8 in the first duct 2, the horizontal first duct 2 can provide a stable and balanced air intake environment for the fan 8, which is conducive to efficient air intake. It should be noted that the air inlet 5 in this application can be located at the end of the first channel 2 or at other locations in the first channel 2. The location of the air inlet 5 can be outside the bathroom or inside the bathroom, that is, the air entering the air inlet channel 1 can be either outside air or inside the bathroom.

[0024] Furthermore, the filter assembly 7 includes a primary filter layer and a secondary filter layer, which are arranged sequentially along the airflow direction. The filter element of the primary filter layer is a filter mesh. Specifically, the filter element of the primary filter layer is a filter mesh made of metal mesh or synthetic fiber non-woven fabric, mainly used to filter out larger particles of dust, hair, lint, and other suspended matter in the air. The filter element of the secondary filter layer is an adsorption filter element with a microporous adsorption structure, such as activated carbon filter element or diatomaceous earth filter element. The secondary filter layer is mainly used to adsorb odor molecules, volatile organic compounds, and some water vapor in the air. In addition, if the air inlet 5 can be located outside the bathroom, a filter screen can also be installed at the air inlet 5. The pore size of the filter screen is not smaller than that of the filter screen in the filter assembly 7. This setting allows the outside air to be coarsely filtered at the air inlet 5 before entering the air intake channel 1, thereby slowing down the clogging speed of the filter screen in the filter assembly 7 and reducing its replacement or cleaning frequency. In addition, since the filter screen at the air inlet 5 is located at the inlet, it is generally easy to access and convenient for cleaning and maintenance.

[0025] It is understood that the footrest 4 has a front and a rear side arranged opposite to each other, with the air outlet 6 located on the front side. When using a squat toilet or a seated toilet, the side facing the user is the front side, and the side facing away from the user is the rear side, which is usually close to the wall or facilities of the toilet. By placing the air outlet 6 on the front side, the airflow from the air outlet 6 can directly ventilate and dry the ground in front of the footrest 4, thereby improving drying efficiency. The air outlet 6 is detachably connected to a cover plate 9. Preferably, the cover plate 9 is snapped or inserted into the air outlet 6. The cover plate 9 includes a frame and multiple baffles. The airflow guiding structure consists of multiple baffles set on the frame, which are parallel to each other and evenly spaced from top to bottom. The cover plate 9 can effectively prevent foreign objects such as hair, paper scraps, and larger dust particles from entering the interior of the ventilation duct 11.

[0026] To further improve the drying effect, the baffle is inclined relative to the ground at an angle of 35°-50°, so that the airflow from the air outlet 6 forms an acute angle with the ground and is projected onto the ground in front of the footrest 4 at this angle. This air delivery method utilizes the wall-attachment effect (i.e., the Coanda effect). When the airflow impacts the ground at an angle of 35°-50°, its flow direction changes due to the Coanda effect, transforming from an inclined incident stream to a ground-level jet that is essentially parallel to the ground and diffuses forward and to both sides. Compared to traditional vertical downward airflow, this airflow pattern can cover a wider ground area, thereby minimizing drying dead zones.

[0027] To improve the air odor inside the bathroom, a fragrance source that can release fragrance, such as a fragrance box or solid fragrance block, can be installed in the ventilation duct 11. When the fan 8 is running, the airflow flowing through the ventilation duct 11 passes through the fragrance source, carrying the fragrance out and diffusing it into the bathroom from the air outlet 6.

[0028] Preferably, the lower edge of the frame is 20-30mm from the ground. This setting prevents water from flowing back into the ventilation duct 11 and optimizes the airflow path and diffusion effect. Specifically, combined with the baffle's tilt angle relative to the ground being 35°-50°, setting the lower edge of the frame 20-30mm from the ground avoids the airflow outlet being prematurely "blocked" by the ground, thus ensuring the smooth formation of the ground-level jet and effective diffusion forward and to the sides.

[0029] It should be noted that the second channel 3 is also equipped with a sterilization component, which is located at the end of the second channel 3, close to the ventilation duct 11. The sterilization component is an ozone generator or an ultraviolet lamp; preferably, it is an ozone generator, which produces ozone gas that mixes with the flowing air. The fan 8 drives the airflow through the ozone generator, and the generated ozone is then carried by the airflow, passing through the ventilation duct 11 and the air outlet 6 in sequence, and finally diffused into the interior space of the bathroom, thereby effectively killing bacteria and viruses in the bathroom environment.

[0030] In one embodiment of this disclosure, a heating element is provided at the air outlet 6. Specifically, the heating element is an electric heating wire or an electric heating tube. The heating element is used to heat the passing airflow. The hot air delivered can accelerate the evaporation of ground moisture and improve drying efficiency.

[0031] The present application has been described in detail above. Specific examples have been used to illustrate the principles and implementation methods of the present application. The descriptions of the embodiments above are only for the purpose of helping to understand the present application and its core ideas. It should be noted that those skilled in the art can make several improvements and modifications to the present application without departing from the principles of the present application, and these improvements and modifications also fall within the protection scope of the claims of the present application.

Claims

1. A ventilation and drying structure for a bathroom, characterized in that, include: An air intake duct (1) is located at least partly within the ceiling (10) at the top of the bathroom, and an air intake (5) is provided on the air intake duct (1). Fan (8), said fan (8) is installed on air inlet channel (1); A filter assembly (7) is used to filter the air entering through the air inlet (5). The filter assembly (7) is located on the air inlet channel (1) and between the air inlet (5) and the fan (8). At least one footstool (4) is provided on the floor of the bathroom and is equipped with a ventilation unit; The ventilation unit includes an air outlet (6) and a ventilation duct (11); the air outlet (6) is located on the footrest (4), and the ventilation duct (11) is located inside the footrest (4); one end of the ventilation duct (11) is connected to the air inlet channel (1), and the other end is connected to the air outlet (6); A flow guiding structure is provided at the air outlet (6), which is used to guide the airflow from the air outlet (6) to the ground at a certain angle.

2. The ventilation and drying structure for a bathroom according to claim 1, characterized in that, The air intake channel (1) includes a first channel (2) and a second channel (3) that are interconnected. The first channel (2) is located inside the ceiling (10), and the second channel (3) extends along the wall of the bathroom. The fan (8) and the filter assembly (7) are both located in the first channel (2). The air inlet (5) is located at the end of the first channel (2), and the second channel (3) is connected to the ventilation duct (11).

3. The ventilation and drying structure for a bathroom according to claim 1 or 2, characterized in that, The filter assembly (7) includes a primary filter layer, and the filter element of the primary filter layer is a filter screen.

4. The ventilation and drying structure for the bathroom according to claim 3, characterized in that, The filter assembly (7) further includes a secondary filter layer, wherein the primary filter layer and the secondary filter layer are arranged sequentially along the airflow direction; the filter element of the secondary filter layer is an adsorption filter element.

5. The ventilation and drying structure for a bathroom according to claim 1, characterized in that, The footrest (4) has a front and a rear side that are set opposite to each other, and the air outlet (6) is located on the front side.

6. The ventilation and drying structure for a bathroom according to claim 1, characterized in that, The air outlet (6) is detachably connected to a cover plate (9). The cover plate (9) includes a frame and multiple baffles. The airflow guiding structure consists of multiple baffles on the frame. The multiple baffles are parallel to each other and evenly spaced from top to bottom.

7. The ventilation and drying structure for a bathroom according to claim 6, characterized in that, The baffle is inclined relative to the ground at an angle of 35°-50°.

8. The ventilation and drying structure for a bathroom according to claim 6, characterized in that, The bottom edge of the frame should be 20-30mm from the ground.

9. The ventilation and drying structure for a bathroom according to claim 2, characterized in that, The second channel (3) is also equipped with a sterilization component, which is located near the ventilation duct (11).

10. The ventilation and drying structure for a bathroom according to claim 9, characterized in that, The sterilization component is an ozone generator or an ultraviolet lamp; a heating element is provided at the air outlet (6).

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