RU2742827C2 - Bathroom set - Google Patents

Abstract

FIELD: sanitary ware.SUBSTANCE: bathroom set includes a drain tank, a bowl of a toilet bowl and a flow channel passing between the outlet hole of the drain tank and the inlet hole of the bowl of the toilet bowl for directing drain water during draining. Bathroom assembly further comprises a drainage box in the form of a compartment, located in the bathroom set behind the outlet of the drain tank, and communicating fluidly with flow channel, and arranged with provision for drain water accumulation, reflected backward by the toilet bowl inlet and directed so as to flow through the flow channel between the bowl of the toilet bowl inlet and the outlet of the drain tank. Drain box is communicated via fluid with sewage pipe communicated with toilet bowl outlet. Drain box is equipped with a siphon.EFFECT: eliminated problem of water leakage after draining.8 cl, 3 dwg

Description

FIELD OF TECHNOLOGY

[0001] The present invention relates to a bathroom kit. In particular, the present invention relates to an improved bathroom assembly that reduces leakage after draining.

LEVEL OF TECHNOLOGY

[0002] Various types of bathroom kits are available on the market. The drainage system of such lavatory kits, for example, can be designed to allow drainage water to flow into the bowl by gravity by positioning the cistern at a level vertically above the water outlet connected to the bowl of the toilet bowl. In such a system, the cistern contains a certain volume of rinsing water, which is at least partially emptied when the user initiates a flush.

[0003] Waste water flows out of the cistern through the drain valve into the toilet bowl through a flow channel in the bathroom assembly. Especially for ceramic bathroom sets, interior areas can be made in an extremely specialized way thanks to the sophisticated manufacturing techniques used. In particular, in modern bathroom kits, the flow channel running from the outlet valve of the cistern to the inlet of the toilet bowl slopes downward. When water flows during flushing, most of the water enters the toilet bowl through a rim or other flow distributor that pumps the drain water to flow along the entire inner surface of the toilet bowl. However, a small amount of water hits the rim (or other flow distributor) and is thrown back. Consequently, the backflow of water is directed through the flow channel between the inlet of the toilet bowl and the outlet of the cistern.

[0004] The backflow of water does not flow completely back into the cistern, but instead accumulates in a small compartment located in the bathroom assembly behind the cistern outlet and in fluid communication only with a flow channel from the cistern outlet to the toilet bowl inlet. This small compartment is commonly referred to as a drain box.

[0005] As water accumulates in the drain box, it will subsequently begin to flow back into the toilet bowl due to the inclined flow path from the drain box to the bowl inlet. This kind of reverse flow usually starts when the drain is complete and the flow is usually very low. Consequently, many bathroom sets will have the disadvantage of slow trickles of water after flushing is complete. This leakage of water can last from a few seconds to several minutes. Water trickles are a serious problem in areas with lime water, as drops of lime water form lime deposits in the back of the toilet that are very difficult to remove.

[0006] The problem of leaking water in the prior art system can be at least partially alleviated by using a water dispenser located under the rim of the lavatory assembly. However, in some situations such water dispensers are not desirable, for example, due to the design of the toilet or for reasons of cleaning and hygiene.

[0007] Thus, there is a need for a bathroom kit that better eliminates water leakage problems after draining.

DISCLOSURE OF THE INVENTION

[0008] Accordingly, the present invention is preferably directed to mitigating or eliminating one or more of the aforementioned drawbacks of the prior art, individually or in any combination, and solves at least the above problems by providing an improved bathroom suite.

[0009] According to a first aspect, a bathroom kit is provided. The bathroom kit contains a flush cistern, a toilet bowl and a flow channel passing between the outlet of the flush tank and the inlet of the toilet bowl for directing the drain water during flushing, and the specified bathroom kit additionally contains a drain box in fluid communication with the specified flow channel, so that the waste water reflected by the inlet of the toilet bowl accumulates in the indicated box. The set of the bathroom is characterized in that the drain box is in fluid communication with a sewer pipe connected to the outlet of the toilet bowl, while the said drain box is equipped with a siphon.

[0010] The drain box is aligned with the drain pipe along a vertical line. The drain box is in fluid communication with the sewer pipe through an opening made in the wall of said drain box. This design allows the reflected water to move directly down into the sewer instead of dripping back into the toilet bowl where it creates colored streaks.

[0011] The drainage box comprises a dividing wall extending downwardly into said drainage box, said dividing wall being part of said siphon. The siphon eliminates or at least reduces unpleasant odors coming from the bathroom set.

[0012] The flow passage extending between the drain box and the inlet of the toilet bowl is inclined in an upward direction. Thus, the accumulated water in the drain box is directed to the siphon, instead of flowing back to the toilet bowl.

BRIEF DESCRIPTION OF DRAWINGS

[0013] Additional objects, features and advantages of the present invention will become apparent upon reading the following detailed description with reference to the accompanying drawings, in which:

[0014] FIG. 1 shows a sectional view of a lavatory assembly in accordance with one embodiment;

[0015] FIG. 2 shows a sectional view of a lavatory assembly in accordance with one embodiment; and

[0016] FIG. 3a-3b show cross-sections of portions of a lavatory assembly according to one embodiment immediately after flushing is initiated.

CARRYING OUT THE INVENTION

[0017] The following description focuses on embodiments of the present invention applicable to a washroom kit.

[0018] FIG. 1 shows a flush system 10, according to one embodiment, for draining water into a toilet bowl 40 of a toilet set 100. The flush system 10 is configured to enable the user of the corresponding lavatory kit 100 to flush the toilet after use, and to this end, the flush system 10, and therefore the lavatory kit 100, comprises a flush cistern 20 and a flush mechanism 30. Flush cistern 20 is in fluid communication with bowl 40 through the outlet 12 controlled for opening by the drain mechanism 30.

[0019] The cistern 20 is configured to store water between drains and is in fluid communication with the bowl 40 through the outlet 12, which is controlled to open by the flush mechanism 30.

[0020] The flush mechanism 30 is configured to open and close the outlet 12 when the user operates a means to initiate a flow, such as a button 32 located at the upper end of the flush cistern 20. When the flush button 32 is pressed, the outlet 12 opens, i.e. ... it is in fluid communication with the cistern 20 to allow the water in the cistern 20 to drain from the outlet 12 into the bowl 40 of the toilet bowl. After passing through outlet 12, water flows through a flow channel 14 which directs the drained water through opening 42 into bowl 40. Flow channel 14 extends between outlet 12 of bowl 20 and inlet 48 of bowl 40.

[0021] The bowl 40 of the toilet is configured with an elbow 44 to provide an integral siphon for eliminating or at least reducing odorous gases that can flow from the drain pipe 46 into the bowl 40 and additionally into the surrounding bathroom. The drainage water after passing the elbow 44 is discharged from the bowl 40 into the sewer pipe 46.

[0022] During flushing, most of the water discharged from the cistern 20 flows out of the outlet 12 through the elbow 44 of the bowl 40 into the sewer pipe 46. However, some of the water as it passes through the flow channel 14 hits the inlet 48 (such as a rim or device for distributing the flow) of the bowl 40, which causes a change in the flow of water. This portion of the water reflected from the inlet 48 flows back into a drainage box 50, which is in fluid communication with the flow passage 14. The drainage box 50 is a compartment or compartment in which water accumulates during draining. In the known system, water after filling the drain box 50 will eventually begin to flow back into the bowl 40 due to the inclined flow channel 14, from the drain box 50 to the inlet 48 of the bowl 40. Consequently, many bathroom kits 100 have the disadvantage of slow jets of water after the completion of draining due to the location of the drain box 50. This is quite an unpleasant effect, since water droplets form colored streaks and lime deposits in the back of the bowl 40.

[0023] As a result of careful and detailed investigation of this problem, it has been found that the location of the siphon 56 in the drain box 50 and the location of the drain box 50 in fluid communication with the drain pipe 46 significantly alleviate these problems. Instead of water dripping lasting several minutes, water dripping is now reduced to almost a few seconds. Reducing the amount of water that oozes out in this way greatly reduces the likelihood of colored streaks in the toilet 40.

[0024] As shown in FIG. 2, the drain box 50 includes two opposing side walls 58, 59 and one bottom surface 57 that form its body. It should be understood that there are also additional side walls, but they are not shown. The drain box 50 further comprises a dividing wall 52 that extends down into the drain box 50, but not all the way to the underside of the drain box 50. The dividing wall 52 is part of the siphon 56. Thus, the siphon 56 can be in the form of a U-shaped elbow or in the form of an N-shaped structure, formed by the side walls 58, 59, the bottom surface 57, and the dividing wall 52.

[0025] The height of the water trapped in the siphon 56 can be between 30 mm and 70 mm, more preferably about 50 mm. The height of the confined water is determined by the heights of the two side walls 58, 59 and should be selected in accordance with standardized instructions.

[0026] The back wall 58 of the drain box has an opening 54 for connecting the drain box 40 to the drain pipe 46. Thus, the drain box 50 is in fluid communication directly with the drain pipe 46 through the opening 54. The drain box 50 is aligned with the drain pipe 46 along a vertical line so that when the drain box 50 is full during draining, water flows through the opening 54 vertically down into the drain pipe 46.

[0027] The drain box 50 and its siphon 56 are preferably made of ceramic or other durable materials. In one embodiment, the drain box 50 and the bowl 40 are made of the same material. The drain box 50 and its siphon 56 can form an integral structure with the rest of the bowl 40. Thus, the siphon 56 is formed simultaneously with the rest of the bowl 40, which significantly reduces manufacturing costs.

[0028] FIG. 3a shows an example in which the siphon 56 of the drain box 50 begins to fill with water immediately after being drained. Water that is reflected from the inlet 48 of the bowl 40 is directed through a flow channel 14 leading to a drain box 50 and a siphon 56.

[0029] To further reduce the fine trickle of water, the flow channel 14 is tilted to direct the water towards the siphon 56. This design restricts the direction of water flow after draining. The inlet 48 of the bowl 40 is located at a higher level than the drainage box 50, resulting in an oblique flow passage 14. The flow passage 14 is angled so that the highest point is located near the inlet 48 of the bowl 40 and the lowest the point is adjacent to the siphon 56 of the drain box 50. Thus, the flow channel 14 slopes upward. Drain water flows downward with simultaneous reflection back from inlet 48 to drain box 50.

[0030] FIG. 3d shows a situation in which the drainage box 50 is completely filled with water. The remaining water in the drain box 50 flows through the opening 54 down into the sewer pipe 46. Thus, the water will not drip down the toilet, but instead flows through the siphon 56 into the sewer pipe 46.

[0031] The bathroom kits 100 shown in FIG. 1-3 are of a rimless design, i.e. the inlet 48 of the bowl 40 is not a rim. In a bathroom set without a rim, the inlet 48 or the flow distribution device can be a single protrusion. A protrusion is located behind the top of the bowl 40 and discharges waste water from the tank 20 into the bowl 40. It should be noted, however, that the following description also applies to a washroom kit having a flow distributor such as a rim.

[0032] In one embodiment, the lavatory assembly 100 has a rimless structure. The rimless design eliminates the possibility of positioning the water distributor in the WC kit 100 (since it is located perpendicularly below the rim of the WC kit 100) to mitigate the water drip problem. Thus, the present invention is most suitable for use in toilets having a rimless structure.

[0033] Although the present invention has been described above in terms of specific embodiments, it should not be limited to the specific form described in this application. On the contrary, the present invention is limited only by the appended claims, and other embodiments than those described above are equally possible within the scope of the appended claims.

Claims (11)

1. A bathroom kit containing a cistern (20), a bowl (40) of the toilet bowl and a flow channel (14) between the outlet (12) of the cistern (20) and the inlet (48) of the bowl (40) of the toilet for directing the flush water during draining, characterized by the fact that the specified set of the bathroom additionally contains a drainage box (50) in the form of a compartment, located in the set of the bathroom behind the outlet (12) of the drain tank, and communicating by fluid medium with the flow channel (14), and located with the provision, when using the accumulation of drain water, reflected backwards by the inlet (48) of the bowl (40) of the toilet bowl and thus guided through the flow channel (14) between the inlet (48) of the bowl and the outlet (12) of the cistern (20), wherein the drain box (50) is in fluid communication with a sewer pipe (46) connected to the outlet of the bowl (40) of the toilet bowl, and the drain box (50) is provided with a siphon (56). 2. A bathroom set according to claim 1, in which the drain box (50) is aligned with the sewer pipe (46) in a vertical line. 3. A bathroom assembly according to claim 1 or 2, in which the drain box (50) is in fluid communication with the drain pipe (46) through an opening (54) made in the wall (58) of the drain box (50). 4. A kit according to any one of the preceding claims, wherein the drain box (50) comprises a partition wall (52) extending downwardly into the drain box (50) and being part of the siphon (56). 5. A sanitary assembly according to any one of the preceding claims, in which the flow channel (14) extending between the drain box (50) and the inlet (48) of the bowl (40) of the toilet bowl is inclined in an upward direction. 6. A washroom assembly according to any of the preceding claims, wherein the drain box (50) contains ceramics. 7. A bathroom set according to any of the preceding paragraphs, in which the drain box (50) is made in one piece with the bowl (40) of the toilet bowl. 8. A washroom set according to any one of the preceding claims, wherein the drain box (50) and the toilet bowl (40) comprise the same material.

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