WO2024250683A1 - Toilet seat - Google Patents

Abstract

A toilet seat, comprising a cover base (1) and a top cover (3) hingedly connected to the cover base (1). A lower groove shell (12) is hingedly connected to the cover base (1), a seat body (2) is detachably embedded in the lower groove shell (12), and the top surface of the seat body (2) protrudes above the top of the side wall of the lower groove shell (12). The cover base (1) is further hingedly connected with an upper groove shell (4) capable of movably covering the outer side of the upper portion of the lower groove shell (12), an upper water plate (5) is fixedly arranged at the top of the inner side of the upper groove shell (4), a water inlet end of the upper water plate (5) is connected to a water outlet end of a water supply device (7) by means of a water inlet pipeline (6), the interior of the upper groove shell (4) is communicated with an air outlet end of an air supply device (9), and power supply ends of the water supply device (7) and the air supply device (9) are provided with a control switch assembly (13). Therefore, the top surface and the bottom surface of the seat body (2) can be flushed in time and quickly air-dried, the cleaning effect is good, the operation is simple and convenient, and the universality is good.

Description

A toilet seat Technical Field

The invention relates to the technical field of kitchen and bathroom products, in particular to a toilet seat.

Background Art

The toilet is also called a toilet seat, which is a covered bucket for defecation and urination. The invention of the toilet is called a great invention, which solves the problem of people's eating, drinking, defecation and urination. Later, it gradually evolved into flush toilets using siphon, spiral siphon, and now the latest jet siphon and super-rotation siphon. There are many types of toilets, including split and connected ones. With the development of technology, many new varieties have also emerged.

Dr. Philip Terno of New York University pointed out that if the toilet lid is open when flushing, the instantaneous cyclone in the toilet can carry germs or microorganisms up to 6 meters in the air, and suspend in the air for several hours, and then fall on walls and objects. Therefore, you should develop the habit of covering the toilet lid when flushing. Professor Yu Qingfu of the School of Public Health of Fudan University pointed out that the survey found that 32% of toilets had Shigella dysenteriae, one of which was called "Songnei" Shigella dysenteriae that survived on the toilet seat for up to 17 days. Another experimental report also pointed out that 100 million polio viruses were put into the toilet, and 3,000 viruses splashed on the seat. At the same time, many people like to put a flannel gasket or plastic foam gasket on the toilet in winter to avoid sitting directly on the cold seat, thereby improving comfort. This makes it easier to absorb and retain excreted pollutants, and the possibility of spreading diseases is greater. In most families nowadays, going to the toilet, washing, and showering are all done in the bathroom. Toothbrushes, mouthwash cups, towels, etc. are in the same room with the toilet, which is naturally easily contaminated by bacteria. Toilets in public toilets such as restaurants, hotels, cinemas, and stations are frequently used by different customers. If they are not cleaned in time, they are also prone to cross-infection of germs. The bacteria in the toilet mainly come from excrement and dirt and bacteria left on the wall of the toilet for a long time due to improper cleaning. At the same time, since most families and public places with small venues cannot provide a separate urinal in the men's toilet, the urination problem is also solved directly in the toilet, and urine is easily left on the top surface of the toilet. After the use of dysentery users, feces may also remain near the top side wall of the toilet, and this area is often a blind spot when flushing the toilet. Even if the toilet cover is covered in time for flushing, bacteria or dirt will still remain on the seat ring, and the remaining bacteria are easy to breed in large quantities on the bottom surface of the toilet seat ring that is not easy to observe.

Places with such serious pollution happen to be the most "intimate" contact with people's skin, so they should be cleaned intensively, and disinfectants should be used to wipe them every one or two days. For public places that are frequently used, special cleaning staff are required to perform regular cleaning. And because the toilet seat is usually hinged on the toilet, the seat can only be cleaned in the original position of the toilet, and it can only be operated manually by bending over or squatting. In this way, a lot of time, energy or financial resources are required, and if it is not cleaned in time after each use, it is possible that the germs have spread between different users during the cleaning interval. In order to solve the seat hygiene problem, disposable cushions have appeared on the market. Disposable cushions are laid on the toilet seat to avoid direct contact between the human body and the seat, which can effectively avoid the problem of cross-infection of germs to a certain extent. However, the laying of disposable cushions requires the user to operate it by himself, and even the disposable cushions that were not removed in time after the previous user used it need to be manually removed, which brings inconvenience to the user. For cleaning staff in public places, it is impossible to pay attention to the use of the toilet by each customer at any time and be ready to check or replace the disposable cushions at any time.

Summary of the invention

The present invention aims to overcome the deficiencies of the prior art and proposes a toilet seat. By providing a detachable seat body, the seat body can be removed from the toilet for cleaning. At the same time, water pipes and air flow channels are respectively provided above and below the seat body. Water sprayed by the upper and lower water pipes respectively flushes the top and bottom surfaces of the seat body in time, and then a continuous air flow is introduced into the air flow channel to quickly dry the cleaned seat body. The cleaning effect is good, the operation is simple and convenient, and the operation can be performed at any time.

To achieve the above effects, the technical solution adopted by the present invention is:

A toilet seat comprises a cover base, a lower tank shell is hinged on the cover base, and a seat ring body is detachably embedded in the lower tank shell.

Furthermore, the top surface of the seat ring body protrudes above the top of the side wall of the lower tank shell.

Furthermore, an upper tank shell body that can be movably buckled and covered on the outer side above the seat ring body is hingedly connected to one end of the lower tank shell body close to the cover base or the top end of the cover base, and an upper water plate is fixedly arranged on the inner top or side of the upper tank shell body, and at least one upper drainage hole facing the top surface of the seat ring body is opened on the side of the upper water plate, and the water inlet end of the upper water plate is connected to the water outlet end of the water supply device, and the water supply device is provided with a control switch assembly;

When the upper tank shell is buckled onto the lower tank shell, the upper water plate is located above the top surface of the seat ring body, and the water supply device supplies water into the upper water plate, and the water is sprayed out through the upper drainage hole to wash the top surface of the seat ring body.

Furthermore, the upper drainage holes are distributed in a ring shape along the contour of the upper water plate on the bottom surface of the upper water plate, or are evenly distributed on the bottom surface of the upper water plate.

Furthermore, a top cover is hingedly connected to the top of the cover base.

Furthermore, at least one drainage port is provided on the inner side of the bottom surface of the lower tank shell.

Furthermore, the water supply device is an electric water pump or a non-electrically driven water channel with an active water supply function.

Furthermore, when the upper tank shell is buckled onto the lower tank shell, the bottom surface of the outer side wall of the upper tank shell abuts against the top surface of the outer side wall of the lower tank shell, and the bottom surface of the inner side wall of the upper tank shell abuts against the top surface of the inner side wall of the lower tank shell or a gap is left between them.

Furthermore, an outer stepped surface is provided on the outer side of the bottom surface of the outer side wall of the upper tank shell, and an inner stepped surface is provided on the inner side of the top surface of the outer side wall of the lower tank shell. When the upper tank shell is buckled on the seat ring body, the bottom surface of the outer side wall of the upper tank shell abuts against the inner stepped surface, and the top surface of the outer side wall of the lower tank shell abuts against the outer stepped surface.

Furthermore, the bottom surface of the lower trough shell is an inclined slope, and the drainage outlet is connected to the bottom end of the slope.

Furthermore, a water discharge plate located below the seat ring body is fixedly provided at the inner bottom or side of the lower tank shell, and at least one lower drainage hole facing the bottom surface of the seat ring body is opened on the top surface of the water discharge plate, and the water inlet end of the water discharge plate is connected to the water outlet end of the water supply device;

When the upper tank shell is buckled onto the lower tank shell, the water supply device supplies water into the lower water plate, and the water is sprayed out through the lower drainage hole to wash the bottom surface of the seat ring body.

Furthermore, the lower drainage holes are distributed in a ring shape along the contour of the lower water plate on the bottom surface of the lower water plate, or are evenly distributed on the bottom surface of the lower water plate.

Furthermore, the interior of the upper tank shell or the lower tank shell is communicated with the gas outlet end of the gas supply device, and the gas supply device is electrically connected to the control switch assembly;

When the upper tank shell is buckled with the lower tank shell, the gas supply device supplies gas to the interior of the upper tank shell or the lower tank shell, and the gas dries the surface of the seat ring body.

Furthermore, an air diffusion pipe located above the top surface of the seat ring body is fixedly provided in the upper tank shell, or an air diffusion pipe located above the top surface of the seat ring body is fixedly provided in the upper tank shell and an air diffusion pipe located below the bottom surface of the seat ring body is fixedly provided in the lower tank shell, and a plurality of air diffusion holes are provided on the side wall of the air diffusion pipe facing the seat ring body, and the air outlet end of the air supply device is connected to the air inlet end of the air diffusion pipe.

Furthermore, the air outlet end of the air supply device is connected to the water inlet end of the upper water plate.

Furthermore, the air supply device includes a plurality of micro fans, and the micro fans are fixedly arranged in the upper tank shell.

Furthermore, the micro fans are distributed according to the surface contour direction of the seat ring body.

Furthermore, the micro fan is fixedly arranged on the bottom surface of the upper water plate, or the micro fan is fixedly arranged on the inner wall surface of the upper tank shell.

Furthermore, an electric heating device is fixedly provided at the air outlet end of the air supply device, and a power supply end of the electric heating device is connected to a power supply end of the air supply device.

Furthermore, the control switch assembly includes a first manual switch connected in series to the power supply end of the water supply device and a second manual switch connected in series to the power supply end of the gas supply device. The first manual switch starts the water supply device alone, and the second manual switch starts the gas supply device alone.

Furthermore, the control switch assembly also includes a switch housing and a third manual switch. The water supply device and the gas supply device are fixedly arranged in the switch housing. A controller is also fixedly arranged in the switch housing. The first manual switch, the second manual switch and the third manual switch are respectively embedded in the side of the switch housing and are respectively electrically connected to the controller. The third manual switch is used to start the water supply device and the gas supply device to work in sequence.

Furthermore, the control switch assembly also includes a fourth switch assembly, which is fixedly arranged on the side wall of the upper tank shell and/or the lower tank shell and is connected in series to the power supply end of the water supply device. When the upper tank shell is buckled on the lower tank shell, the fourth switch assembly is turned on, and when the upper tank shell is flipped to the top of the lower tank shell, the fourth switch assembly is disconnected.

Furthermore, a display panel is embedded in the top surface of the upper tank shell and/or the top surface of the top cover to display the working status of the water supply device.

A seat cleaning assembly for use with the toilet seat is also provided, comprising a lower tank shell and an upper tank shell that can be movably buckled onto the upper outer side of the lower tank shell, wherein a seat body is detachably embedded in the lower tank shell, and an upper water plate is fixedly arranged on the inner side of the bottom of the upper tank shell, and at least one upper drainage hole facing the top surface of the seat body is formed on the bottom surface of the upper water plate, and when the upper tank shell is buckled onto the lower tank shell, the upper water plate is located above the top surface of the seat body.

Furthermore, a water discharge plate located below the seat ring body is fixedly provided at the inner bottom of the lower tank shell, and at least one lower drainage hole facing the bottom surface of the seat ring body is opened on the top surface of the water discharge plate.

A toilet is also provided, on which the toilet seat is arranged.

Compared with the prior art, the beneficial effects of the present invention are as follows:

The toilet seat proposed in the present invention can be removed from the toilet for cleaning by providing a detachable seat body, which is convenient for cleaning personnel to clean, and the normal use of the toilet will not be affected during the cleaning process by replacing the seat body; by providing water pipes and air flow channels above and below the seat body respectively, the top and bottom surfaces of the seat body are promptly flushed by water sprayed by the upper and lower water pipes respectively, and then a continuous air flow is introduced into the air flow channel to quickly dry the cleaned seat body, thereby achieving good cleaning effect, simple and convenient operation, and can be operated at any time with low cost; the toilet cover assembly of most types of existing toilets can be directly replaced, and the versatility is good.

BRIEF DESCRIPTION OF THE DRAWINGS

FIG1 is a schematic diagram of a three-dimensional structure of a toilet seat in Example 1;

FIG2 is a second schematic diagram of the three-dimensional structure of the toilet seat in Example 1;

FIG3 is a schematic diagram of the three-dimensional structure of the seat ring body in Example 1;

FIG4 is a schematic diagram of the three-dimensional structure of the lower tank shell in Example 1;

FIG5 is a schematic diagram of the three-dimensional structure of the toilet seat in Example 2 with the upper tank housing opened;

FIG6 is a schematic diagram of the three-dimensional structure of the toilet seat in Example 2 in a state of being engaged with the upper groove housing;

FIG7 is a schematic diagram of the three-dimensional structure of the toilet seat in Example 2 with the top cover engaged;

FIG8 is one of the three-dimensional structural schematic diagrams of the first structural form of the upper tank shell in Example 2;

FIG9 is a second schematic diagram of the three-dimensional structure of the first structural form of the upper tank shell in Example 2;

FIG10 is a schematic diagram of the three-dimensional structure of the first structural form of the upper water plate in Example 2;

FIG11 is a schematic diagram of the three-dimensional structure of the second structural form of the upper water plate in Example 2;

FIG12 is a schematic diagram of the three-dimensional structure of the external structure of the control switch assembly in Example 2;

FIG13 is a schematic diagram of the three-dimensional structure of the internal structure of the control switch assembly in Example 2;

FIG14 is a schematic diagram of the vertical cross-sectional structure of the toilet seat in Example 2;

FIG15 is a schematic diagram of the three-dimensional structure of the first structural form of the lower tank housing in Example 2;

FIG16 is a schematic diagram of the three-dimensional structure of the second structural form of the upper tank shell in Example 2;

FIG17 is a schematic diagram of the three-dimensional structure of the second structural form of the lower tank shell in Example 2;

FIG18 is a schematic diagram of the anti-overflow structure of the lower tank shell and the upper tank shell in Example 2;

FIG19 is a schematic diagram of the three-dimensional structure of the air diffusion pipe in Example 2;

FIG20 is a schematic diagram of the three-dimensional structure of the upper tank shell in the third structural form in Example 2;

FIG21 is a schematic diagram of the three-dimensional structure of the air diffusion pipe in the assembled state in the upper tank shell in Example 2;

FIG22 is a schematic cross-sectional view of the air diffusion pipe in the assembled state in the upper tank shell in Example 2;

FIG23 is a schematic diagram of the three-dimensional structure of the toilet seat in Example 3 with the upper tank housing opened;

FIG24 is a schematic diagram of the vertical cross-sectional structure of the toilet seat in Example 3;

FIG25 is a schematic diagram of the three-dimensional structure of the first structural form of the lower water plate in Example 3;

FIG26 is a schematic diagram of the three-dimensional structure of the second structural form of the lower water plate in Example 3;

FIG27 is a schematic diagram of the three-dimensional structure of the lower tank shell in Example 3;

FIG28 is a schematic diagram of a three-dimensional structure in which air diffusion pipes are provided in both the lower tank shell and the upper tank shell in Example 3;

FIG29 is a schematic diagram of the three-dimensional structure of the toilet seat in Example 4 with the upper tank housing opened;

FIG30 is a schematic cross-sectional structure diagram of the first form of the annular channel in the open state in Example 4;

FIG31 is a schematic cross-sectional structure diagram of a second form of an annular channel in an open state in Example 4;

FIG32 is a schematic cross-sectional structure diagram of a third form of an annular channel in an open state in Example 4;

Figure 33 is a schematic diagram of the three-dimensional structure of the toilet seat in Example 6 when assembled on the toilet.

Wherein: 1 cover base, 2 seat ring body, 201 force groove, 3 top cover, 4 upper groove shell, 401 outer step surface, 402 second hinge joint, 403 upper water pipe jack, 404 upper air pipe jack, 5 upper water plate, 501 upper drainage hole, 502 water pipe connecting column, 6 water inlet pipeline, 7 water supply device, 8 air inlet pipeline, 9 air supply device, 10 micro fan, 11 lower water plate, 111 lower drainage hole, 12 lower groove shell, 121 inner step surface, 122 lower air pipe jack, 123 Drain outlet, 124 stepped boss, 125 first hinge joint, 13 control switch assembly, 131 first manual switch, 132 second manual switch, 133 switch housing, 134 third manual switch, 135 main switch, 136 digital display board, 137 power indicator light, 138 temperature adjustment button, 139 fourth switch assembly, 14 electric heating device, 15 controller, 16 air diffuser, 161 air diffuser hole, 162 air pipe connecting column, 17 display panel, 20 toilet.

DETAILED DESCRIPTION

The preferred embodiments of the present invention are described in detail below in conjunction with the accompanying drawings so that the advantages and features of the present invention can be more easily understood by those skilled in the art, thereby making a clearer and more definite definition of the protection scope of the present invention.

Example 1

Please refer to Figures 1 and 2, a toilet seat includes a cover base 1, which is used to fix the toilet seat to the toilet bowl of a toilet 20. Usually, a top cover 3 is hinged on the cover base 1, and the top cover 3 is hinged to the top of the cover base 1 through a rotating shaft, and is used to cover the top of the toilet bowl when the toilet 20 is not in use, so as to achieve aesthetic and protective effects. The specific structural form and connection form are the same or similar to those of existing general toilets, and will not be repeated here.

A lower tank shell 12 is hinged on the cover base 1, and a seat ring body 2 is detachably embedded in the lower tank shell 12. As shown in FIG4, the lower tank shell 12 is a shell structure with an opening at the top, and is an injection-molded or compression-molded part, and its outer contour matches the contour shape of the top surface of the toilet 20, so that the lower tank shell 12 can be placed on the top surface of the toilet; a first hinge 125 is integrally arranged on its rear side wall, and the first hinge 125 is hinged to the top of the cover base 1 through a rotating shaft, so that the lower tank shell 12 can swing up and down around the axis of the rotating shaft, so that the seat ring body 2 fixed thereon can swing accordingly, so that the seat ring body 2 can achieve the same flip-up effect as the existing toilet seat. Preferably, the top surface of the seat ring body 2 protrudes above the top of the side wall of the lower tank shell 12, which is convenient for the insertion and installation of the seat ring body 2 in the lower tank shell 12 and the removal of the seat ring body 2 from the lower tank shell 12, and can ensure that during actual use, the buttocks of the toilet user only contact the top surface of the seat ring body 2 but not the side wall of the lower tank shell 12, thereby ensuring the comfort of the use process.

As shown in Figure 3, the seat ring body 2 in the present invention is an independent annular three-dimensional structure, and its outer contour is the same or similar to the outer contour of the existing toilet seat ring. The difference is that there is no connection between it and the cover base 1, but it is separately arranged in the lower tank shell 12, so that the seat ring body 2 can be taken out from the lower tank shell 12, transferred to a suitable place for cleaning, and then directly placed and fixed in the lower tank shell 2 after cleaning; alternatively, the seat ring body 2 to be cleaned can be taken out from the lower tank shell 12, and the cleaned seat ring body 2 can replace the seat ring body 2 to be cleaned, which will not affect the immediate use of the toilet. Especially when there are a large number of seat ring bodies 2 that need to be cleaned in public places, multiple seat ring bodies 2 to be cleaned can be collected and cleaned centrally, which will not only not affect the use of the toilet, but also greatly facilitate the cleaning work of the cleaning staff, avoid their bending over one by one, thereby reducing their labor intensity.

Therefore, the use of this toilet seat with a detachable seat body 2 breaks through the traditional structure and cleaning method of the hinged toilet seat used in existing toilets, and has broad application prospects and market value.

Specifically, the arrangement of the seat ring body 2 in the lower tank shell 12 can be any one of the following methods: a tight-fitting plug-in fit, or a plug-in fit through a protrusion and a groove, or a screw and a connecting column threaded connection fit, or a double-sided adhesive bonding fit, or a Velcro bonding fit, or a magnetic connection fit, or a snap-on fit, or a spring pin telescopic plug-in fit, or other connection methods that can achieve the same detachable connection effect. In this embodiment, a tight-fitting plug-in fit is preferably adopted, which can simplify the structural design and production and manufacturing process of the seat ring body 2 and the lower tank shell 12, thereby reducing the production cost while ensuring the performance. As shown in Figure 4, a plurality of stepped bosses 124 are integrally provided on the inner walls on both sides of the lower tank shell 12. After the seat ring body 2 is embedded in the lower tank shell 12, its bottom surface abuts against the stepped surface of the stepped boss 124, thereby achieving an embedded fit. By providing the stepped boss 124, the lower tank shell 12 can be universally used in different toilet seat products in the series, thereby reducing the mold manufacturing cost in the production process of the lower tank shell 12. Preferably, force application grooves 201 are provided on both side walls of the seat body 2 to facilitate hand grasping and force application during the installation or removal of the seat body 2 in the lower tank shell 12.

Example 2

5 and 6 , compared with the embodiment 1, the toilet seat in this embodiment has the function of flushing the top surface of the seat body 2, or has the function of flushing and air drying the top surface of the seat body 2. The following is a detailed description of the differences based on the embodiment 1.

The lower tank shell 12 is also hinged with an upper tank shell 4 that can be movably buckled and covered on the outer side above the seat ring body 2 at one end close to the cover base 1 or the top end of the cover base 1, and the top cover 3 can be movably buckled and covered on the outer side of the upper tank shell 4. As shown in Figures 8 and 9, the upper tank shell 4 is a shell structure with an opening at the bottom, and its outer contour is similar to that of the lower tank shell 12. The inner shape and size of the upper tank shell 4 are equivalent to the shape and size of the seat ring body 2, and the outer size is smaller than the inner size of the top cover 3. A second hinge joint 402 is integrally provided on the rear end side surface of the upper tank shell 4. The second hinge joint 402 is hinged to the top of the cover base 1 through a rotating shaft, or is hinged to the rear end top surface of the lower tank shell 12 through a rotating shaft, so that the upper tank shell 4 can rotate around the pin shaft. When the upper tank shell 4 is flipped up to a vertical state, it can be completely accommodated in the top cover 3 (as shown in Figure 5); when the upper tank shell 4 is flipped down to a horizontal state, that is, when the upper tank shell 4 is buckled on the upper tank shell 4, the bottom surface of the outer side wall of the upper tank shell 4 is against the top surface of the outer side wall of the lower tank shell 12, and the bottom surface of the inner side wall of the upper tank shell 4 is against the top surface of the inner side wall of the lower tank shell 12 (as shown in Figure 6); when the toilet is not in use, the top cover 3 is flipped down to a horizontal state and buckled on the top outer side of the upper tank shell 4 (as shown in Figure 7).

An upper water plate 5 is fixedly arranged on the inner top of the upper tank shell 4. As shown in Fig. 10 and Fig. 11, in this embodiment, the outer contour of the upper water plate 5 matches the groove contour of the upper tank shell 4, so that the upper water plate 5 can be embedded in the interior of the upper tank shell 4, and the upper water plate 5 is a hollow shell structure, and at least one upper drainage hole 501 facing the top surface of the seat ring body 2 is opened on the bottom surface of the upper water plate 5. As shown in Fig. 10, it is a structural schematic diagram when the upper drainage holes 501 are evenly distributed on the bottom surface of the upper water plate 5, and as shown in Fig. 11, it is a structural schematic diagram when the upper drainage holes 501 are distributed in a single row of rings on the bottom surface of the upper water plate 5. The difference in the number and distribution of the drainage holes is that the dispersion degree of the water entering the upper water plate 5 is different when it is discharged through the upper drainage holes 501, so that the impact and washing effect on the top surface of the seat ring body 2 is different.

The upper water plate 5 can also be fixedly set on the inner side surface of the upper tank shell 4. At this time, the upper water plate 5 is located on the side above the top surface of the seat ring body 2. Therefore, the bottom surface of the upper water plate 5 of the upper drainage hole 501 is an inclined hole to ensure that the water can impact and clean the top surface of the seat ring body 2 after being sprayed out from the upper drainage hole 501.

The rear end side wall of the upper tank shell 4 is provided with an upper water pipe insertion hole 403 and an upper air pipe insertion hole 404, and the rear end side wall of the upper water plate 5 is integrally provided with a water pipe connection column 502. The upper water plate 5 is fixedly embedded in the upper tank shell 4, and fixed assembly is achieved by the tight fit between the outer side surface of the upper water plate 5 and the inner side surface of the upper tank shell 4. At this time, the top surface of the upper water plate 5 abuts against the top surface of the tank of the upper tank shell 4, the outer side surface of the upper water plate 5 abuts against the inner side surface of the upper tank shell 4, and the water pipe connection column 502 is located in the upper water pipe insertion hole 403. In order to further ensure the fixed embedding of the upper water plate 5 in the upper tank shell 4, the top surface of the upper water plate 5 and the top surface of the tank of the upper tank shell 4 can be fixedly connected by any method such as adhesive connection, Velcro bonding, snap connection, screw connection, etc.

The water inlet end (water pipe connection column 502) of the upper water plate 5 is connected to the water outlet end of the water supply device 7 through the water inlet pipeline 6, and the interior of the upper tank shell 4 or the lower tank shell 12 is connected to the air outlet end of the air supply device 9 through the air inlet pipeline 8, and the air outlet end of the air inlet pipeline 8 is fixedly arranged in the upper air pipe jack 404 on the rear end side of the upper tank shell 4. The power supply ends of the water supply device 7 and the air supply device 9 are provided with a control switch assembly 13. In this embodiment, the water supply device 7 preferably adopts an electric water pump, and the air supply device 9 preferably adopts an electric air pump. As shown in Figure 13, the control switch assembly 13 includes a first manual switch 131 connected in series to the power supply end of the water supply device 7, and a second manual switch 132 connected in series to the power supply end of the air supply device 9. The first manual switch 131 starts the water supply device 7 alone, and the second manual switch 132 starts the air supply device 9 alone.

As shown in FIG14 , when the upper tank shell 4 is buckled onto the lower tank shell 2, an annular channel is formed between the upper tank shell 4 and the lower tank shell 12, the seat ring body 2 is located in the annular channel, and the upper water plate 5 is located above the top surface of the seat ring body 2. Pressing the first manual switch 131 starts the water supply device 7, and the water supply device 7 supplies water to the upper water plate 5, and the water is sprayed through the upper drainage hole 501 to flush the top surface of the seat ring body 2. The flushed water flows downward from both sides of the seat ring body 2 into the lower tank shell 12, and then flows into the toilet from the bottom inner side of the lower tank shell 12, and can flush the toilet bowl of the toilet 20. Since multiple stepped bosses 124 are integrally provided on the inner walls of both sides of the lower tank shell 12, after the seat ring body 2 is embedded in the lower tank shell 12, its bottom surface abuts against the stepped surface of the stepped boss 124, thereby realizing embedded fit, and at the same time, there is a gap between the inner side wall of the lower tank shell 12 between two adjacent stepped bosses 124 and the outer side wall of the seat ring body 2, and the gap serves as a water flow channel for the upper water body to flow into the lower tank shell 12. As shown in FIG. 15, at least one drain port 123 is opened on the inner side of the bottom surface of the lower tank shell 12, and the water body flowing into the lower tank shell 12 can flow into the toilet through the drain port 123. Preferably, the bottom surface of the lower trough shell 12 is an inclined slope, and the inclination direction of the slope can be downward from the outside to the inside, or downward from the front to the back. The drain outlet 123 is connected to the bottom end of the slope, so that the water in the lower trough shell 12 can be discharged from the drain outlet 123 as much as possible, reducing the amount of water retained on the surface of the lower trough shell 12, so as to facilitate subsequent air-drying operations.

Further preferably, in order to prevent the water from overflowing from the docking position outside the upper tank shell 4 and the lower tank shell 12 during the falling process, as shown in Figures 16 and 17, an outer stepped surface 401 is provided on the outer side of the bottom surface of the outer side wall of the upper tank shell 4, and an inner stepped surface 121 is provided on the inner side of the top surface of the outer side wall of the lower tank shell 12. When the upper tank shell 4 is buckled on the seat ring body 2, the bottom surface of the outer side wall of the upper tank shell 4 abuts against the inner stepped surface 121, and the top surface of the outer side wall of the lower tank shell 12 abuts against the outer stepped surface 401, as shown in the lower left position in Figure 18. Such a structure can enhance the airtightness of the cavity between the upper tank shell 4 and the lower tank shell 12, prevent the water entering the lower tank shell 12 from overflowing from the intersection between the two, and facilitate the upper tank shell 4 to turn from a vertical state to a horizontal state and dock with the lower tank shell 12 smoothly.

When the top surface of the seat ring body 2 is washed and cleaned, the second manual switch 132 is pressed to start the air supply device 9, and the air supply device 9 supplies gas to the inside of the annular channel between the upper tank shell 4 and the lower tank shell 12. The gas dries the top surface of the seat ring body 2, or the top surface and the bottom surface of the seat ring body 2 synchronously during the flow. Preferably, as shown in FIG17, a lower air pipe plug hole 122 is provided on the rear side wall of the lower tank shell 12, and the outlet end of the air inlet pipeline 8 is also fixedly arranged in the lower air pipe plug hole 122, so that the air supply device 9 can simultaneously supply gas to the upper space and the lower space of the seat ring body 2, and the gas flows along the annular channel to dry the upper and lower surfaces of the seat ring body 2. Further preferably, in order to allow the gas to traverse the annular channel and be discharged from the drain port 123, the drain port 123 and the upper air pipe plug hole 403 and the lower air pipe plug hole 122 are located at opposite sides of the annular channel.

In this way, the washing and air-drying process of the top surface of the seat ring body 2 can be completed, and the top surface of the seat ring body 2 can be cleaned. This control switch group 13 can realize the manual cleaning operation of the top surface of the seat ring body 2.

Obviously, a stepped boss can be provided on the inner wall of the upper tank shell 4 in the same manner, so that a gap is left between the top surface of the upper water plate 5 and the top surface of the tank of the upper tank shell 4, and a gap is left between the outer side surface of the upper water plate 5 and the inner side surface of the upper tank shell 4. In this way, the gas entering the annular channel can also enter the gap space between the upper water plate 5 and the upper tank shell 4 through the gap, so that the surface of the upper water plate 5 and the top surface of the upper tank shell 4 are also dried to a certain extent.

In another embodiment scenario, as shown in FIG. 12 and FIG. 13 , the control switch assembly 13 further includes a switch housing 133 and a third manual switch 134. The water supply device 7 (water pump) and the air supply device 9 (air pump) are fixedly arranged in the switch housing 133. The switch housing 133 is also fixedly provided with a controller 15. The first manual switch 131, the second manual switch 132 and the third manual switch 134 are respectively embedded in the side of the switch housing 133 (the front cover of the switch housing 133) and are respectively electrically connected to the controller 15. The third manual switch 134 is used to start the water supply device 7 and the air supply device 9 to work in sequence. A main switch 135 and a power indicator light 137 are also respectively embedded on the front cover of the switch housing 133. The main switch 135 is connected in series to the power supply end of the controller 15 for start and stop control of the controller 15. The power indicator light 137 is electrically connected to the controller 15 for displaying the power-on state of the controller 15. Since the control switch assembly 13 is only used for simple logic control and digital-to-analog conversion, a general simple controller with a single-chip microcomputer core can be used. Press the main switch 135, the controller 15 is powered on, and the power indicator light 137 is lit. At this time, press the first manual switch 131 to start the water supply device 7 to work alone. The water supply device 7 supplies water to the upper water plate 5, and the water is sprayed through the upper drainage hole 501 to wash the top surface of the seat ring body 2; press the second manual switch 132 to start the air supply device 9 to work alone. The air supply device 9 supplies gas to the inside of the upper tank shell 4, and the gas dries the top surface of the seat ring body 2; press the third manual switch 134, and the controller 15 executes the corresponding built-in program, automatically starts the water supply device 7 to work alone for a preset time, and washes the top surface of the seat ring body 2. After the rinsing is completed, the air supply device 9 is automatically started to work alone for a preset time to dry the top surface of the seat ring body 2. This control switch group 13 can realize manual cleaning and automatic cleaning operations on the top surface of the seat ring body 2.

In another embodiment scenario, the control switch assembly 13 further includes a fourth switch assembly 139. As shown in FIG. 16 and FIG. 17, the fourth switch assembly 139 is fixedly disposed on the side wall of the upper tank shell 4 and/or the lower tank shell 12 and is serially connected to the power supply end of the water supply device 7. When the upper tank shell 4 is buckled on the lower tank shell 12, the fourth switch assembly 139 is turned on. When the upper tank shell 4 is flipped to the top of the lower tank shell 12, the fourth switch assembly 139 is turned off. Therefore, the fourth switch assembly 139 can adopt a mechanically triggered stroke control switch or an electromagnetic induction proximity switch or a piezoelectric pressure sensor, and the fourth switch assembly 139 is turned on and off by the movement position of the upper tank shell 4, so that when the upper tank shell 4 is buckled on the accurate position of the lower tank shell 12, the fourth switch assembly 139 can be triggered to achieve the same control function as the third manual switch 134.

In each of the above embodiments, preferably, a display panel 17 electrically connected to the controller 15 is embedded in the top surface of the upper tank shell 4 and/or the top surface of the top cover 3, and is used to display the working status of the water supply device 7 and the air supply device 9, so that the user can know whether the cleaning operation is in progress by observing the status information, so as to avoid misoperation affecting the progress of the cleaning operation.

In another embodiment scenario, the water supply device 7 is a non-electrically driven waterway with an active water supply function, such as a waterway led out from a municipal water supply pipeline, or a straight waterway led out from a water tank with a certain potential difference, and a switch valve is provided on the waterway, that is, the led-out waterway is connected to the water inlet end of the water inlet pipeline 6, and a control valve is provided on the waterway (such as a manually operated valve such as a pull type, a knob type, a press type, or an electronically controlled valve such as an infrared sensor switch, a touch control switch, a voice-controlled switch, etc.), and according to the specific type of the control valve, the control valve is correspondingly fixedly or movably arranged on the side of the toilet or on the wall or on the ground or on the outside of the water pipe, so that the user can start the control valve by hand operation, footsteps, or voice control. The manually operated valve needs to be manually closed by the user, while the electronically controlled valve can be closed by manual closing or delayed control. Similarly, the gas supply device 9 may also adopt other gas supply methods besides the electric air pump, such as using compressed air contained in a high-pressure gas cylinder or a mixed compressed gas containing sterilizing substances as the gas source, the gas outlet end of the high-pressure gas source is connected to the gas inlet end of the gas inlet pipeline 8, and the control valve as described above is set on the gas inlet pipeline 8 to realize gas supply control.

In another embodiment scenario, a diffuser pipe 16 located above the top surface of the seat ring body 2 is fixedly provided in the upper tank shell 4, and a plurality of diffuser holes 161 are provided on the side wall of the diffuser pipe 16 facing the seat ring body 2, and the air outlet end of the air supply device 9 is connected to the air inlet end of the diffuser pipe 16. As shown in FIG19 , in this embodiment, the diffuser pipe 16 is an internally connected double-layer annular hollow pipe structure, and the whole presents a plate-shaped hollow frame, and the contours of the outer annular hollow pipe and the inner hollow pipe respectively match the outer and inner edge contours of the upper water plate 5, and an air pipe connecting column 162 is integrally provided on the rear outer wall thereof, and the air pipe connecting column 162 is connected to the air outlet end of the air inlet pipeline 8. Preferably, in order to make the air outlet on both sides of the bottom surface of the diffuser pipe 16 uniform, the air pipe connecting column 162 is arranged at the center of the rear outer wall of the diffuser pipe 16. Correspondingly, as shown in FIG. 20 , the upper air pipe insertion hole 404 is also arranged at the center of the rear side wall of the upper tank shell 4. Since the second hinged joint 402 is also arranged at the center of the rear side wall of the upper tank shell 4 in this embodiment, an operation hole communicating with the upper air pipe insertion hole 404 is opened inside the second hinged joint 402 to accommodate the air pipe connection column 162 and realize the connection operation between the air pipe connection column 162 and the air inlet pipeline 8. The air diffusion pipe 16 is fixedly arranged at a position between the upper water plate 5 and the seat ring body 2, so that the external air supply device 9 supplies air to the air diffusion pipe 16 through the air inlet pipeline 8, and the gas is then dispersed to various places on the top surface of the vertical seat ring body 2 through the air diffusion holes 161, so as to realize a more efficient air drying operation.

In this embodiment, the air diffuser 16 is fixedly arranged on the bottom surface of the upper water plate 5, as shown in FIG. 21 and FIG. 22, and the fixed connection method can be any one of tight fitting, screw connection, double-sided adhesive connection, magnetic connection, etc. The air diffuser 16 can also adopt other structures with the same function. When the space size is sufficient, the air diffuser 16 can also be fixedly arranged on the inner top surface or inner side wall of the upper tank shell 4, so that the air diffuser 16 is located on one side of the upper water plate 5.

In another embodiment scenario, the air outlet of the air supply device 9 is also fixedly provided with an electric heating device 14, and the power supply end of the electric heating device 14 is connected to the power supply end of the air supply device 9, that is, the second manual switch 132 is connected in series to the power supply end of the electric heating device 14. After pressing the second manual switch 132 or the third manual switch 134, the electric heating device 14 and the air supply device 9 start working at the same time, and the electric heating device 14 heats the gas output by the air supply device 9 and then sends out hot air through the air intake pipe 8. The hot air dries the top surface of the seat ring body 2, which can effectively speed up the drying process. In cold weather, the second manual switch 132 can also be pressed to start the electric heating device 14 and the air supply device 9, and the surface of the seat ring body 2 is heated by hot air to improve the user's comfort.

Example 3

Please refer to Figures 23 and 24. Compared with the various implementation scenarios in Example 2, the toilet seat in this embodiment has the function of flushing and air-drying both the top and bottom surfaces of the seat body 2. The following is a detailed description of the differences based on Example 2.

The inner bottom of the lower tank shell 12 is fixedly provided with a lower water plate 11 located below the seat ring body 2, and the water inlet end of the lower water plate 11 is connected to the water outlet end of the water supply device 7 through the water inlet pipe 6. As shown in Figures 25 and 26, the outer contour of the lower water plate 11 is similar to or the same as the outer contour of the upper water plate 5, and is also a hollow shell structure. At least one lower drainage hole 111 facing the bottom surface of the seat ring body 2 is opened on the top surface of the lower water plate 11, that is, the same as that on the upper water plate 5. The lower drainage holes 111 can be evenly distributed on the top surface of the lower water plate 11 as shown in Figure 25, or can be arranged in a single ring on the top surface of the lower water plate 11 as shown in Figure 26. The lower water plate 11 can also be fixedly set on the inner side wall of the lower tank shell 12 or on the bottom surface of the tank, and is located on the lower side of the seat ring body 2. At this time, the lower drainage hole 111 is also correspondingly an inclined hole. A water pipe connecting column is also integrally provided on the rear end side wall of the lower water plate 11. The lower water plate 11 is embedded in the inner side of the stepped boss 124 on the inner wall of the lower tank shell 12, so that there is a gap between the top surface of the lower water plate 11 and the bottom surface of the seat ring body 2, the bottom surface of the lower water plate 11 abuts against the bottom surface of the tank of the lower tank shell 12 or there is a gap between them, and the outer side surface of the lower water plate 11 abuts against the inner side surface of the lower tank shell 12 or there is a gap between them. The lower water plate 11 is fixedly embedded in the lower tank shell 12, and can be further fixedly connected by any method such as adhesive connection, Velcro bonding, snap connection, screw connection, etc. The water pipe connection column passes through the rear end side wall of the lower tank shell 12 and is connected to the water inlet pipeline 6.

In this way, the water supply device 7 is introduced into the upper water plate 5 and the lower water plate 11 through the water inlet pipe 6, and the water sprayed downward from the upper drainage hole 501 flushes the top surface of the seat ring body 2, and the water sprayed upward from the lower drainage hole 111 flushes the bottom surface of the seat ring body 2. After the flushing is completed, the water falls naturally and can be collected from the surface of the lower water plate 11 (when the outer side surface of the lower water plate 11 is in contact with the inner side surface of the lower tank shell 12) to the drain port 123 and discharged; or from the gap between the outer side surface of the lower water plate 11 and the inner side surface of the lower tank shell 12 (when there is a gap between the bottom surface of the lower water plate 11 and the bottom surface of the tank of the lower tank shell 12, and there is a gap between the outer side surface of the lower water plate 11 and the inner side surface of the lower tank shell 12) to flow downward to the bottom of the lower tank shell 12, and then discharged through the drain port 123. To this end, the top of the drain port 123 is located above the top surface of the water discharge plate 11, so that the drain port 123 is connected with the inner side surface of the water discharge plate 11 and the bottom slope of the lower tank shell 12 at the same time, meeting the drainage needs in any situation.

Since there are gaps between the two sides of the seat ring body 2 and the inner wall of the annular channel, the water after the top surface of the seat ring body 2 is flushed can flow downward from the gaps on both sides into the lower tank shell 12, so the air acting on the top surface of the seat ring body 2 for air drying can also naturally flow from the gaps on both sides into the lower tank shell 12 and air dry the top surface of the seat ring body 2. Obviously, in this way, the air drying effect of the bottom surface of the seat ring body 2 is not good.

Therefore, in this embodiment, the interior of the lower tank shell 12 is connected to the gas outlet end of the gas supply device 9, and the gas supply device 9 supplies gas to the interior of the lower tank shell 12, and the gas dries the bottom surface of the seat ring body 2. Specifically, as shown in FIG27, a lower air pipe plug hole 122 is provided on the rear inner wall of the lower tank shell 12, and the air inlet end of the air inlet pipeline 8 is connected to the lower air pipe plug hole 122. In this way, the gas supply device 9 can simultaneously supply gas to the upper tank shell 4 and the lower tank shell 12, thereby simultaneously drying the top and bottom surfaces of the seat ring body 2.

Similar to the second embodiment, in another implementation scenario of the present embodiment, as shown in FIG28 , a diffuser pipe 16 located above the top surface of the seat ring body 2 is fixedly provided in the upper tank shell 4, and a diffuser pipe 16 located below the bottom surface of the seat ring body 2 is fixedly provided in the lower tank shell 12. In this way, gas can be simultaneously supplied to the upper and lower diffuser pipes 16 through the gas supply device 9, and the diffuser holes 161 on the two diffuser pipes 16 simultaneously deliver airflow to the upper and lower surfaces of the seat ring body 2 to perform air drying.

In another embodiment scenario, the air outlet of the air supply device 9 is connected to the water inlet of the upper water plate 5 and the lower water plate 11 respectively (not shown in the figure), or the air outlet of the air supply device 9 is connected to the water inlet of the water inlet pipeline 6. After the flushing operation of the upper and lower surfaces of the seat ring body 2 is completed, the gas sent by the air supply device 9 enters the upper water plate 5 and the lower water plate 11 respectively through the water inlet pipeline 6, so as to blow out the residual liquid in the upper water plate 5 and the lower water plate 11 to achieve the air drying process, and at the same time, the upper and lower surfaces of the seat ring body 2 are air dried. In this way, there is no need to set the upper air pipe plug hole 402 on the upper tank shell 4 and the lower air pipe plug hole 122 on the lower tank shell 12, and there is no need to set the air diffusion pipe 16, and the gas can be evenly distributed on the upper and lower surfaces of the seat ring body 2.

Example 4

The main difference between this embodiment and the second and third embodiments is that the air supply device and the air supply method are different when performing air drying. Specifically, as shown in FIG29 , the air supply device 9 includes a plurality of micro fans 10, which are distributed according to the surface contour direction of the seat ring body 2, and the micro fans 10 are fixedly arranged on the bottom surface of the upper water plate 5, or the micro fans 10 are fixedly arranged on the inner top surface of the upper tank shell 4 and are embedded in the upper water plate 5.

In the case where the micro fan 10 is fixedly arranged on the bottom surface of the upper water plate 5, the micro fan 10 is located between the upper water plate 5 and the seat ring body 2. After the upper water plate 5 is filled with water, the water is sprayed downward through the upper drainage hole 501 to wash the top surface of the seat ring body 2. To ensure that the water has sufficient impact force, the distance between the bottom surface of the upper water plate 5 and the top surface of the seat ring body 2 should not be too high. In this way, the splashed water droplets can easily enter the micro fan 10, increasing the probability of the internal circuit of the micro fan 10 being damp and short-circuited or the water body corroding. If the possibility of splashed water droplets entering the micro fan 10 is to be reduced, it is necessary to increase the distance between the micro fan 10 and the seat ring body 2, and the side wall height of the upper tank shell 4 is correspondingly increased. In this way, it is necessary to increase the water supply pressure of the water supply device 9 to ensure that the water flow sprayed from the drainage hole 501 has sufficient impact force.

Therefore, the present embodiment preferably adopts the situation that the micro fan 10 is fixedly arranged on the inner top surface of the upper tank shell 4 and is embedded in the upper water plate 5. In this case, the micro fan 10 is embedded in the upper water plate 5. Compared with the above situation, when the spacing between the upper water plate 5 and the seat ring body 2 is the same, the distance between the bottom surface of the micro fan 10 and the top surface of the seat ring body 2 is increased, which can effectively reduce the possibility of splashing water droplets entering the micro fan 10, thereby ensuring that the micro fan 10 has a sufficient service life. Under the condition that the space size is satisfied, the micro fan 10 can also be fixedly arranged on the top inner wall of the upper tank shell 4 or on the inner side wall of the upper tank shell 4, so that the micro fan 10 is located on one side above the top surface of the seat ring body 2, and the top surface of the seat ring body 2 can also be provided with airflow for air drying. An electric heating device, such as a heating wire, can also be arranged at the air outlet of the micro fan 10 to heat the gas and realize hot air supply.

In this embodiment, it is necessary to ensure that the top of the micro fan 10 has a space connected to the outside world to meet the needs of gas supply. At the same time, in order to meet the smoothness of gas supply and circulation, in the annular channel formed by the upper tank shell 4 and the lower tank shell 12 after buckling, the inner side wall of the annular channel is in an open state. As shown in Figure 29, the inner side of the upper tank shell 4 is in an open state, that is, there is no inner side wall; as shown in Figure 30, the inner sides of the upper tank shell 4 and the lower tank shell 12 are both in an open state, that is, the upper tank shell 4 and the lower tank shell 12 have no inner side wall or both have inner side walls but there is a gap between the upper and lower inner side walls; as shown in Figure 31, the inner side of the lower tank shell 12 is in an open state, that is, there is no inner side wall. In this case, the lower tank shell 12 may not be provided with a drain port 123.

Example 5

In the toilet seat of the present invention, the upper water plate 5 is fixedly arranged in the upper tank shell 4, and the upper tank shell 4 is hinged on the cover base 1, so the upper water plate 5 and the upper tank shell 4 are pre-assembled into an upper cleaning assembly, and then assembled as a whole to the toilet 20 for use. It is also possible to directly replace the assembly during later use to cooperate with the normal use of other components. The specific structural form of the upper water plate 5 and the upper tank shell 4 and the specific connection form between the two can be any one of the forms listed in the aforementioned embodiments.

Similarly, the lower water plate 11 is fixedly arranged on the inner side of the bottom of the seat ring body 2, and the lower tank shell 12 is hinged on the cover base 1, so the lower water plate 11 and the lower tank shell 12 can also be pre-assembled into a lower cleaning component, and then assembled as a whole to the toilet 20 for use, or in the later use process, the components can be directly replaced to cooperate with the normal use of the remaining components. The specific structural form of the lower water plate 11 and the lower tank shell 12 and the specific connection form between them can be any one of the forms listed in the above-mentioned embodiments. Or the upper cleaning component and the lower cleaning component are used as an integral component and are installed as a whole on the toilet 20 for use. The seat ring body 2 is detachably embedded in the lower tank shell 12, so the seat ring body 2 can be a part of the cleaning component alone, or it can be pre-embedded in the lower tank shell 12 as a component of the lower cleaning component.

Example 6

As shown in Figure 33, a toilet is provided with a toilet seat ring composed of an upper cleaning component or an integral component composed of any of the aforementioned structural forms, which can achieve water cleaning and heated air drying of the upper and lower surfaces of the seat ring body 2 to improve the cleanliness of the surface of the seat ring body 2 and reduce the possibility of bacterial growth, thereby improving the user's sanitary environment and reducing the probability of cross infection.

The above descriptions are merely embodiments of the present invention and are not intended to limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made using the contents of the present invention specification and drawings, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims (26)

A toilet seat comprises a cover base (1), characterized in that a lower tank shell (12) is hingedly connected to the cover base (1), and a seat ring body (2) is detachably embedded in the lower tank shell (12). A toilet seat according to claim 1, comprising a cover base (1), characterized in that the top surface of the seat body (2) protrudes above the top of the side wall of the lower tank shell (12). A toilet seat according to claim 1, characterized in that: an end of the lower tank shell (12) close to the cover base (1) or the top end of the cover base (1) is also hinged with an upper tank shell (4) that can be movably buckled on the upper and outer sides of the seat body (2); an upper water plate (5) is fixedly provided on the inner top or side of the upper tank shell (4); at least one upper drainage hole (501) facing the top surface of the seat body (2) is opened on the side of the upper water plate (5); the water inlet end of the upper water plate (5) is connected to the water outlet end of the water supply device (7); and the water supply device (7) is provided with a control switch assembly (13); When the upper tank shell (4) is buckled onto the lower tank shell (12), the upper water plate (5) is located above the top surface of the seat ring body (2), and the water supply device (7) supplies water into the upper water plate (5), and the water is sprayed out through the upper drainage hole (501) to wash the top surface of the seat ring body (2). A toilet seat according to claim 3, characterized in that the upper drainage holes (501) are distributed in a ring shape along the contour of the upper water plate (5) on the bottom surface of the upper water plate (5), or are evenly distributed on the bottom surface of the upper water plate (5). The toilet seat according to claim 1, characterized in that a top cover (3) is hingedly connected to the top of the cover base (1). A toilet seat according to any one of claims 1 to 5, characterized in that at least one drainage opening (123) is provided on the inner side of the bottom surface of the lower tank shell (12). A toilet seat according to any one of claims 1 to 5, characterized in that the water supply device (7) is an electric water pump or a non-electrically driven water channel with an active water supply function. A toilet seat according to claim 3, characterized in that: when the upper tank shell (4) is buckled onto the lower tank shell (12), the bottom surface of the outer side wall of the upper tank shell (4) abuts against the top surface of the outer side wall of the lower tank shell (12), and the bottom surface of the inner side wall of the upper tank shell (4) abuts against the top surface of the inner side wall of the lower tank shell (12) or a gap is left between them. A toilet seat according to claim 3 or 8, characterized in that: an outer side of the bottom surface of the outer side wall of the upper tank shell (4) is provided with an outer stepped surface (401), and an inner side of the top surface of the outer side wall of the lower tank shell (12) is provided with an inner stepped surface (121), and when the upper tank shell (4) is buckled onto the seat ring body (2), the bottom surface of the outer side wall of the upper tank shell (4) abuts against the inner stepped surface (121), and the top surface of the outer side wall of the lower tank shell (12) abuts against the outer stepped surface (401). A toilet seat according to claim 6, characterized in that the bottom surface of the groove of the lower groove shell (12) is an inclined slope, and the drainage outlet (123) is connected to the bottom end of the slope. A toilet seat according to claim 3, characterized in that: a water discharge plate (11) located below the seat body (2) is fixedly provided on the inner bottom or side of the lower tank shell (12), and at least one lower drainage hole (111) facing the bottom surface of the seat body (2) is opened on the top surface of the water discharge plate (11), and the water inlet end of the water discharge plate (11) is connected to the water outlet end of the water supply device (7); When the upper tank shell (4) is buckled onto the lower tank shell (12), the water supply device (7) supplies water to the lower water plate (11), and the water is sprayed out through the lower drainage hole (111) to wash the bottom surface of the seat ring body (2). A toilet seat according to claim 11, characterized in that the lower drainage holes (111) are distributed in a ring shape along the contour of the lower water plate (11) on the bottom surface of the lower water plate (11), or are evenly distributed on the bottom surface of the lower water plate (11). A toilet seat according to claim 3 or 4 or 11 or 12, characterized in that: the interior of the upper tank shell (4) or the lower tank shell (12) is connected to the air outlet end of the air supply device (9), and the air supply device (9) is electrically connected to the control switch assembly (13); When the upper tank shell (4) is buckled into the lower tank shell (12), the gas supply device (9) supplies gas to the interior of the upper tank shell (4) or the lower tank shell (12), and the gas dries the surface of the seat ring body (2). A toilet seat according to claim 13, characterized in that: an air diffusion pipe (16) located above the top surface of the seat body (2) is fixedly provided in the upper tank shell (4), or an air diffusion pipe (16) located above the top surface of the seat body (2) is fixedly provided in the upper tank shell (4) and an air diffusion pipe (16) located below the bottom surface of the seat body (2) is fixedly provided in the lower tank shell (12), a plurality of air diffusion holes (161) are provided on the side wall of the air diffusion pipe (16) facing the seat body (2), and an air outlet end of the air supply device (9) is connected to an air inlet end of the air diffusion pipe (16). The toilet seat according to claim 13, characterized in that the air outlet end of the air supply device (9) is connected to the water inlet end of the water upper plate (5). A toilet seat according to claim 13, characterized in that the air supply device (9) comprises a plurality of micro fans (10), and the micro fans (10) are fixedly arranged in the upper tank shell (4). The toilet seat according to claim 16, characterized in that the micro fans (10) are distributed in the direction of the surface contour of the seat body (2). A toilet seat according to claim 16 or 17, characterized in that the micro fan (10) is fixedly arranged on the bottom surface of the upper water plate (5), or the micro fan (10) is fixedly arranged on the inner wall surface of the upper tank shell (4). A toilet seat according to claim 13, characterized in that an electric heating device (14) is fixedly provided at the air outlet end of the air supply device (9), and a power supply end of the electric heating device (14) is connected to a power supply end of the air supply device (9). A toilet seat according to claim 13, characterized in that: the control switch assembly (13) includes a first manual switch (131) connected in series to the power supply end of the water supply device (7), and a second manual switch (132) connected in series to the power supply end of the air supply device (9), the first manual switch (131) alone starts the water supply device (7) to work, and the second manual switch (132) alone starts the air supply device (9) to work. A toilet seat according to claim 20, characterized in that: the control switch assembly (13) further comprises a switch housing (133) and a third manual switch (134), the water supply device (7) and the air supply device (9) are fixedly arranged in the switch housing (133), a controller (15) is also fixedly arranged in the switch housing (133), the first manual switch (131), the second manual switch (132) and the third manual switch (134) are respectively embedded in the side of the switch housing (133) and are respectively electrically connected to the controller (15), and the third manual switch (134) is used to start the water supply device (7) and the air supply device (9) to work in sequence. A toilet seat according to claim 3, 20 or 21, characterized in that: the control switch assembly (13) further comprises a fourth switch assembly (139), the fourth switch assembly (139) being fixedly arranged on the side wall of the upper tank shell (4) and/or the lower tank shell (12) and being serially connected to the power supply end of the water supply device (7), and when the upper tank shell (4) is buckled onto the lower tank shell (12), the fourth switch assembly (139) is turned on, and when the upper tank shell (4) is flipped to the top of the lower tank shell (12), the fourth switch assembly (139) is turned off. A toilet seat according to claim 3 or 21, characterized in that a display panel (17) is embedded on the top surface of the upper tank shell (4) and/or the top surface of the top cover (3) for displaying the working status of the water supply device (7). A seat cushion cleaning assembly for a toilet seat as claimed in any one of claims 3 to 23, characterized in that it comprises a lower tank shell (12) and an upper tank shell (4) movably buckled onto the upper outer side of the lower tank shell (12), wherein a seat ring body (2) is detachably embedded in the lower tank shell (12), an upper water plate (5) is fixedly arranged on the inner side of the bottom of the upper tank shell (4), and at least one upper drainage hole (501) facing the top surface of the seat ring body (2) is formed on the bottom surface of the upper water plate (5), and when the upper tank shell (4) is buckled onto the lower tank shell (12), the upper water plate (5) is located above the top surface of the seat ring body (2). A toilet seat cleaning assembly according to claim 24, characterized in that a water discharge plate (11) located below the seat body (2) is fixedly provided on the inner bottom of the lower tank shell (12), and at least one lower drainage hole (111) facing the bottom surface of the seat body (2) is provided on the top surface of the water discharge plate (11). A toilet, characterized in that: the toilet is provided with a toilet seat ring according to any one of claims 1 to 23.