Ceramic closestool with brush ring water turn-back flow channel structure

By designing a brush ring water backflow channel structure in the ceramic toilet, the problems of reduced bowl opening and weakened water flow energy are solved, achieving efficient back flushing of the bowl and improving the comfort and appearance of the toilet.

CN224199990UActive Publication Date: 2026-05-05DEAHENV XIAMEN BATHROOM INC
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
DEAHENV XIAMEN BATHROOM INC
Filing Date
2025-05-27
Publication Date
2026-05-05

AI Technical Summary

Technical Problem

The design of the inner edge water guide and inner edge spout of existing ceramic toilets reduces the area of ​​the toilet bowl opening, affecting the comfort of sitting. In addition, the water flow energy of the inner edge spout is weakened at the back of the toilet bowl, resulting in residue on the waste receiving surface and affecting the appearance.

Method used

A brush ring water reversal channel structure was designed, including upper transverse, longitudinal and lower transverse water channels. The spray nozzle is located behind the center line of the toilet bowl. The water flow reverses from front to back in the ring body and cuts into the rear of the toilet bowl through the longitudinal water channel and the lower transverse water channel for flushing. A guide groove and a water pressure eave are set to guide the overflow outlet to ensure water flow stability and flushing effect.

Benefits of technology

It achieves effective flushing of the back of the toilet bowl without increasing the width of the toilet seat, avoiding water flow energy attenuation, ensuring that the back of the toilet bowl is thoroughly flushed, and improving the comfort and appearance of the toilet.

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Abstract

The utility model provides a ceramic closestool with a brush ring water turn-back flow channel structure, which comprises a bedpan, a ring body arranged above the bedpan, a ring vertical face arranged on the inner side of the ring body, a water supply port arranged on the left side or the right side of the back of the ring body and communicated with an upper transverse water channel arranged in the ring body. The other end of the upper transverse water channel is communicated with a longitudinal water channel arranged in the ring body, the other end of the longitudinal water channel is communicated with a lower transverse water channel located behind the longitudinal water channel, and a water spraying opening is formed in the tail end of the lower transverse water channel and located behind a front-back center boundary C1 of the bedpan, so that when ring brushing water conducts ring brushing through the water spraying opening, kinetic energy cannot be attenuated too fast; and the water supply port, the upper transverse water channel, the longitudinal water channel, the lower transverse water channel and the water injection nozzle form a brush ring water return water channel, so that the water injection nozzle can be backwards cut into the ring vertical surface to wash around the bedpan, and the width of the ring body structure does not need to be increased.
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Description

Technical Field

[0001] This utility model relates to a ceramic toilet with a brush ring water return flow channel structure. Background Technology

[0002] The flushing toilet disclosed in Chinese invention patent (CN108166595B) (see specifications

[00048] -

[00049] , appendix) Figures 2-5 As shown, the toilet 2 has a basin 11, a receiving surface 8, a countertop 9, and an inner edge 10. The inner edge 10 is formed in a way that it stands upright from the countertop 9 which is provided on the upper edge of the waste receiving surface 8. The basin 11 has a front region F1 that is the front side relative to the center line c1 and a rear region R1 that is the rear side. When viewed from above, the center line c1 bisects the basin 11 in the front-rear direction. The interior of the inner edge 10 forms part of the inner edge water discharge section 30, which will be described later, namely the inner edge water guide 13. Additionally, an inner edge water outlet 14, a portion of the inner edge water outlet 30, is formed at the downstream end of the inner edge water guide 13. The inner edge water outlet 14 is located in the area F1 in front of the center line c1 of the basin 11. The problems with this invention are: 1. Because the inner edge water guide 13 and the inner edge water outlet 14 are arranged in the width of the inner edge 10, it is necessary to increase the width of the inner edge 10. Since the width in the left-right direction of the ceramic toilet bowl cannot be changed, the only solution is to reduce the area of ​​each bowl opening of the toilet bowl 11 and modify the seat ring width, which will affect the user's experience when using the toilet. 1. The small opening and wide rim of the toilet bowl 11 affect the comfort of the user. 2. The inner edge spout 14 is located in front of the center line C1 of the toilet bowl. This setting will severely reduce the kinetic energy of the water jet from the inner edge spout 14 when it reaches the rear of the toilet bowl 11. The waste receiving surface 8 at the rear of the toilet bowl is the part with the largest splash and soiling area when sitting. As a result, when the water supply is low and the inner edge spout 14 is insufficient to rinse the waste receiving surface 8, some waste will stick and remain on the waste receiving surface 8 after defecation, affecting the appearance. Utility Model Content

[0003] This invention provides a ceramic toilet with a brush ring water reflux channel structure, which can effectively solve the above problems.

[0004] This utility model is implemented as follows:

[0005] A ceramic toilet with a brush ring water reversal channel structure includes a toilet bowl. A ring body is located above the toilet bowl, and a vertical surface is located inside the ring body. A water inlet is located on the left or right side of the rear of the ring body. The water inlet connects to an upper transverse water channel located in the front-to-back direction within the ring body. The other end of the upper transverse water channel connects to a vertical water channel located in the upper-to-lower direction within the ring body. The other end of the vertical water channel connects to a lower transverse water channel located behind the vertical water channel and in the front-to-back direction within the ring body. A spray nozzle is located at the end of the lower transverse water channel, behind the center dividing line C1 of the front and rear of the toilet bowl. The water inlet, upper transverse water channel, vertical water channel, lower transverse water channel, and spray nozzle are interconnected to form a brush ring water reversal channel, causing the brush ring water to reversal from front to back in the upper-to-lower direction within the ring body, and then cut in from the rear of the toilet bowl to clean the toilet bowl.

[0006] As a further improvement, the upper transverse channel includes a pressure-accumulating section connected to the water inlet and a flow-stabilizing section connected to the pressure-accumulating section. The flow diameter of the pressure-accumulating section gradually decreases from back to front, while the flow diameter of the flow-stabilizing section remains unchanged.

[0007] As a further improvement, the steady flow section is vertically connected to the longitudinal waterway, and the longitudinal waterway is vertically connected to the lower transverse waterway.

[0008] As a further improvement, the flow-through diameter cross-section of the steady flow section and the longitudinal waterway is the same, while the flow-through diameter cross-section of the spray nozzle is larger than that of the steady flow section and the longitudinal waterway.

[0009] As a further improvement, an overflow port is provided at the upper rear of the ring body.

[0010] As a further improvement, the spray nozzle is connected to a first guide channel recessed on the ring surface, and the first guide channel is connected to a second guide channel recessed on the ring surface and located below the overflow port.

[0011] As a further improvement, a water-pressing eave is provided on the upper edge of the first and second guide channels.

[0012] The beneficial effects of this utility model are:

[0013] (1) A folding brush ring flow path is set in the longitudinal direction of the toilet bowl ring body, which can make the water spray nozzle cut into the vertical surface of the ring to wash around the toilet bowl, without increasing the width of the ring body structure, and can be compatible with the existing toilet seat ring width.

[0014] (2) The water spray nozzle is located behind the center line C1 of the toilet bowl, reducing the distance between the water spray nozzle and the rear ring of the toilet bowl. This ensures that the kinetic energy will not decrease too quickly when the high-pressure or low-pressure water flows through the water spray nozzle to brush the ring, ensuring that the rear wall of the toilet bowl is cleaned and does not affect the appearance. Attached Figure Description

[0015] Figure 1 This is a three-dimensional structural diagram of the ceramic toilet of this utility model. Figure 1 .

[0016] Figure 2 This is a three-dimensional structural diagram of the ceramic toilet of this utility model. Figure 2 .

[0017] Figure 3 This is a three-dimensional structural diagram of the ceramic toilet of this utility model. Figure 3 .

[0018] Figure 4 This is a top view of the ceramic toilet of this utility model.

[0019] Figure 5 yes Figure 4 A cross-sectional view of the structure along the AA direction.

[0020] Figure 6 This is a schematic diagram of the water supply backflow brush ring flushing flow path of the ceramic toilet of this utility model.

[0021] The accompanying diagram is described below:

[0022] 10. Bedpan; 11. Bed frame; 111. Bed frame facade; 12. Overflow outlet; 13. Water inlet; 14. Spray nozzle;

[0023] 20. Upper transverse channel; 21. Pressure-accumulating section; 22. Flow-stabilizing section;

[0024] 30. Longitudinal waterway;

[0025] 40. Lower transverse waterway;

[0026] 50. First guide channel;

[0027] 60. Second guide channel;

[0028] 70. Water-pressing eaves. Detailed Implementation

[0029] The present invention will be further described below with reference to the accompanying drawings and embodiments (taking the water inlet located on the right rear side of the ring body as an example).

[0030] Reference Figure 1 , Figures 4-6As shown, a ceramic toilet with a brush ring water backflow channel structure includes a toilet bowl 10. A ring 11, with a width of W, is located above the toilet bowl 10. A toilet seat can be installed on the ring 11. A vertical surface 111 is located on the inner side of the ring 11. A water inlet 13 is located on the rear right side of the ring 11, connected to a water source. The water inlet 13 connects to an upper transverse water channel 20 located in the front-back direction within the ring 11. The other end of the upper transverse water channel 20 connects to a vertical water channel 30 located in the vertical direction within the ring 11. The other end of 30 is connected to the lower transverse waterway 40 located behind the longitudinal waterway 30 and set in the front-to-back direction within the ring body 11. A spray nozzle 14 is provided at the end of the lower transverse waterway 40. The spray nozzle 14 is located behind the front-to-back center dividing line C1 of the toilet bowl 10. The water inlet 13, the upper transverse waterway 20, the longitudinal waterway 30, the lower transverse waterway 40, and the spray nozzle 14 are connected to form a brush ring water return waterway, so that the brush ring water returns from front to back in the vertical direction within the ring body 11, and then cuts in from the back of the toilet bowl 10 to brush the toilet bowl 10.

[0031] The structure of each component of this utility model will be described below.

[0032] Reference Figure 1 , Figures 5-6 As shown, the upper transverse waterway 20 includes a pressure-accumulating section 21 connected to the water inlet 13 and a flow-stabilizing section 22 connected to the pressure-accumulating section 21. The flow diameter of the pressure-accumulating section 21 gradually decreases from back to front, while the flow diameter of the flow-stabilizing section 22 remains unchanged. With this design, the water supplied by the water inlet 12 is pressurized by the reduced diameter of the pressure-accumulating section 21, which enhances the water pressure and flow rate of the flow-stabilizing section 22, so that the flow-stabilizing section 22 supplies a stable water pressure to the lower transverse waterway 40 through the longitudinal waterway 30.

[0033] Reference Figures 5-6 As shown, the stabilizing section 22 is perpendicularly connected to the longitudinal water channel 30, and the longitudinal water channel 30 is perpendicularly connected to the lower transverse water channel 40. The flow diameter cross-sections of the stabilizing section 22 and the longitudinal water channel 30 are the same, while the flow diameter cross-section of the spray nozzle 14 is larger than that of the stabilizing section 22 and the longitudinal water channel 30. This design ensures that when the water supply is interrupted, the residual water in the stabilizing section 22 is quickly discharged into the lower transverse water channel 40 through the longitudinal water channel 30 under its own weight. External air does not have time to enter the upper transverse water channel 20 through the longitudinal water channel 30, thus preventing the generation of water bubble noise and achieving silent brush ring rinsing.

[0034] Reference Figures 1-4As shown, an overflow port 12 is provided at the upper rear of the ring body 11. The function of the overflow port 12 is to discharge the rising water into the space behind the toilet when the toilet bowl is blocked and the water cannot be discharged. The water then flows to the floor drain on the floor and is discharged from the floor drain. The spray nozzle 14 is connected to a first guide channel 50 recessed on the ring face 111. The first guide channel 50 is connected to a second guide channel 60 recessed on the ring face 111 and located below the overflow port 12. The first guide channel 50 and the second guide channel 60 are provided to guide the water jet from the spray nozzle 14 to the second guide channel 60 below the overflow port 12. The second guide channel 60 guides the brushing water from the overflow port 12 forward to the front of the toilet bowl 10 at the front of the center dividing line C1, so that the brushing water flow closes to completely flush the toilet bowl 10.

[0035] Reference Figures 1-4 As shown, the upper edges of the first guide channel 50 and the second guide channel 60 are provided with water pressure eaves 70 for guiding the water pressure of the first guide channel 50 to the second guide channel 60, so as to prevent the water flow in the brush ring from rising under the action of centrifugal force and splashing out from the overflow port 12 when high water pressure is used for flushing.

[0036] The working principle and specific implementation steps of this utility model are explained in detail below.

[0037] Reference Figures 1-6 As shown, the water supplied by the water inlet 13 to the toilet bowl 10 for brushing is pressurized and narrowed by the pressure-concentrating section 21, then flows through the stabilizing section 22, the longitudinal water channel 30, and the lower transverse water channel 40, and is sprayed out from the nozzle 14. The first guide channel 50 receives the sprayed water from the nozzle 14 and then guides the water to the second guide channel 60 below the overflow port 12. The second guide channel 60 guides the brushing water from the overflow port 12 forward to the front of the toilet bowl 10 at C1, so that the brushing water flow cuts into the toilet bowl 10 from the rear to clean the brushing ring. The reverse brushing ring flow path allows the nozzle 14 to cut into the rear of the brushing ring 11 to clean the toilet bowl without adding additional brushing rings. The ring body structure width W can be compatible with the existing toilet seat ring width; the folded-back brush ring flow path from front to back not only makes the water nozzles face away from the front of the toilet, so that people standing in front of the toilet cannot see them, thus not affecting the appearance, but also the water flow path through the folded-back path can effectively reduce the supply water pressure and prevent flushing water from splashing out from the front edge of the toilet bowl 10. The water nozzles are located behind the center line C1 of the toilet bowl, which can reduce the distance between the water nozzles 14 and the ring body 11 behind the toilet bowl. When the water flows through the water nozzles to brush the ring, the kinetic energy will not decrease too quickly, ensuring that the back wall of the toilet bowl is cleaned and there is no sticky dirt in the toilet bowl, so as not to affect the appearance.

[0038] The above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model. Various modifications and variations can be made to this utility model by those skilled in the art. Any modifications, equivalent substitutions, or improvements made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A ceramic toilet with a brush ring water reflux channel structure, comprising a toilet bowl (10), a ring body (11) above the toilet bowl (10), and a ring of vertical surfaces (111) on the inner side of the ring body (11), characterized in that: A water inlet (13) is provided on the left or right side of the rear of the ring body (11). The water inlet (13) is connected to an upper transverse water channel (20) in the front-back direction within the ring body (11). The other end of the upper transverse water channel (20) is connected to a vertical water channel (30) in the upper-lower direction within the ring body (11). The other end of the vertical water channel (30) is connected to a lower transverse water channel (40) located behind the vertical water channel (30) and in the front-back direction within the ring body (11). A water nozzle (14) is provided at the end of the water channel (40). The water nozzle (14) is located behind the center dividing line C1 between the front and rear of the toilet bowl (10). The water inlet (13), the upper horizontal water channel (20), the longitudinal water channel (30), the lower horizontal water channel (40), and the water nozzle (14) are connected to form a brush ring water return water channel, so that the brush ring water returns from front to back in the vertical direction within the ring body (11), and then cuts in from the rear of the toilet bowl (10) to brush the toilet bowl (10).

2. A ceramic toilet with a brush ring water backflow channel structure according to claim 1, characterized in that, The upper transverse channel (20) includes a pressure-gathering section (21) connected to the water inlet (13) and a flow-stabilizing section (22) connected to the pressure-gathering section (21). The flow diameter of the pressure-gathering section (21) gradually decreases from back to front, while the flow diameter of the flow-stabilizing section (22) remains unchanged.

3. A ceramic toilet with a brush ring water reflux channel structure according to claim 2, characterized in that, The steady flow section (22) is perpendicularly connected to the longitudinal waterway (30), and the longitudinal waterway (30) is perpendicularly connected to the lower transverse waterway (40).

4. A ceramic toilet with a brush ring water reflux channel structure according to claim 3, characterized in that, The flow passage diameter cross-sections of the steady flow section (22) and the longitudinal waterway (30) are the same, while the flow passage diameter cross-section of the nozzle (14) is larger than that of the steady flow section (22) and the longitudinal waterway (30).

5. A ceramic toilet with a brush ring water backflow channel structure according to claim 1, characterized in that, An overflow port (12) is provided at the upper rear of the ring body (11).

6. A ceramic toilet with a brush ring water backflow channel structure according to claim 5, characterized in that, The spray nozzle (14) is connected to the first guide groove (50) which is recessed on the ring vertical surface (111), and the first guide groove (50) is connected to the second guide groove (60) which is located below the overflow port (12) and recessed on the ring vertical surface (111).

7. A ceramic toilet with a brush ring water backflow channel structure according to claim 6, characterized in that, A water-pressing eave (70) is provided on the upper edge of the first guide channel (50) and the second guide channel (60).

Citation Information

Patent Citations

  • flush toilet

    CN108166595B