Water-washable toilet

Abstract

The present invention aims to provide a flush toilet that allows for easy attachment of a condensation prevention member to the toilet bowl body and suppresses the generation of condensation due to accumulated water. [Solution] The present invention relates to a flush toilet that discharges waste using flushing water, and comprises a toilet body 2 having a bowl 6, a jet outlet 14, a jet water channel 16, and a drain trap pipe 8, wherein the drain trap pipe 8 comprises an upward pipe 8b extending upward from an inlet 8a, a downward pipe 8c extending downward from the upward pipe 8b, and a top portion 8d located between the downward pipe 8c and the upward pipe 8b that defines the water level of the accumulated water, and a condensation prevention member 30 fixed to the toilet body 2 to suppress the generation of condensation water, wherein accumulated water W is formed in each of the bowl 6, the drain trap pipe 8, and the jet water channel 16, and the condensation prevention member 30 covers the outer surfaces of the bowl 6, the drain trap pipe 8, and the jet water channel 16.

Description

Technical Field

[0001] The present invention relates to a flushing toilet, and particularly to a flushing toilet that discharges dirt with flushing water.

Background Art

[0002] Conventionally, as described in Patent Document 1, a flushing toilet provided with a dew prevention member for suppressing the generation of condensed water is known. Such a flushing toilet has an outer surface of the bowl portion covered with a dew prevention member in order to suppress the generation of condensed water by the accumulated water in the bowl portion. This dew prevention member is formed of a heat insulating material and is fixed to the toilet body with an adhesive.

Prior Art Documents

Patent Documents

[0003]

Patent Document 1

Summary of the Invention

Problems to be Solved by the Invention

[0004] By the way, for the purpose of improving the flushing performance, it is conceivable to store a large amount of flushing water in the water guide path of the toilet body in the standby state. When flushing water is stored in the water guide path, there is an advantage that the flushing water can be discharged immediately after the start of flushing. However, there is a problem that condensed water is generated by the accumulated water in the water guide path. The flushing toilet described in Patent Document 1 mentioned above covers the bowl portion with a dew prevention member, but the water guide path is not covered with a dew prevention member. Therefore, when flushing water accumulates in the water guide path, condensed water is generated. In addition, since the dew prevention member is fixed to the toilet body with an adhesive, there is a problem that the attachment work of the dew prevention member becomes complicated.

[0005] Therefore, the present invention has been made to solve the above-mentioned problems, and aims to provide a flush toilet in which a condensation prevention member can be easily attached to the toilet bowl body and which can suppress the generation of condensation water due to accumulated water. [Means for solving the problem]

[0006] To solve the above-mentioned problems, the present invention provides a flush toilet that discharges waste using flushing water, comprising: a bowl portion for receiving waste; a spout for discharging flushing water into the bowl portion; a water channel for supplying flushing water to the spout; and a drain trap pipe whose inlet is connected to the lower part of the bowl portion for discharging waste, wherein the drain trap pipe comprises an upward pipe extending upward from the inlet, a downward pipe extending downward from the upward pipe, and a top portion located between the downward pipe and the upward pipe that defines the water level, and a condensation prevention member fixed to the toilet body to suppress the generation of condensation water, wherein water is formed in each of the bowl portion, the drain trap pipe, and the water channel, and the condensation prevention member covers the outer surfaces of the bowl portion, the drain trap pipe, and the water channel. In the present invention configured as described above, water is formed in the bowl, drain trap pipe, and water conduit, and the anti-condensation member covers the outer surfaces of the bowl, drain trap pipe, and water conduit, thus suppressing the generation of condensation water due to the water accumulated in each part. Furthermore, since the anti-condensation member can cover each part at once, the anti-condensation member can be easily attached to the toilet bowl body. Therefore, the anti-condensation member can be easily attached to the toilet bowl body, and the generation of condensation water due to the water accumulated can be suppressed.

[0007] In the present invention, preferably, the condensation prevention member extends from the front of the bowl portion, over the top of the drain trap pipe, and to the rear. In the present invention configured in this way, the condensation prevention member extends from the front of the bowl portion, past the top of the drain trap pipe, and to the rear, thereby suppressing the generation of condensation over a wide area.

[0008] Furthermore, in the present invention, preferably, the condensation prevention member is positioned near the descending pipe and has an elastically deformable mounting portion, and the condensation prevention member is fixed to the toilet body by pressing this mounting portion against the outer surface of the descending pipe. In the present invention configured as described above, the condensation prevention member is positioned near the descending pipe and has an elastically deformable mounting portion. This mounting portion is pressed against the outer surface of the descending pipe, thereby fixing the condensation prevention member to the toilet bowl body, allowing the condensation prevention member to be easily attached to the toilet bowl body.

[0009] In the present invention, preferably, the condensation prevention member comprises a front mounting portion located on the front side and elastically deformable, and a rear mounting portion located on the rear side and elastically deformable, and the condensation prevention member is fixed to the toilet bowl body by pressing the front mounting portion and the rear mounting portion against the toilet bowl body. In the present invention configured as described above, the condensation prevention member comprises a front mounting portion located on the front side and elastically deformable, and a rear mounting portion located on the rear side and elastically deformable. By pressing the front and rear mounting portions against the toilet bowl body, the condensation prevention member is stably fixed to the toilet bowl body, reducing or eliminating the amount of adhesive used to bond the condensation prevention member to the toilet bowl body. This allows the installation of the condensation prevention member to be completed in a short amount of time.

[0010] Furthermore, in the present invention, preferably, the condensation prevention member includes a positioning part for determining the position in which the condensation prevention member is attached to the toilet bowl body. In the present invention configured in this way, the condensation prevention member is equipped with a positioning part for determining the position in which the condensation prevention member is attached to the toilet bowl body, so that the condensation prevention member can be easily attached to the toilet bowl body. [Effects of the Invention]

[0011] According to the flush toilet of the present invention, a condensation prevention member can be easily attached to the toilet body, and the generation of condensation due to accumulated water can be suppressed. [Brief explanation of the drawing]

[0012] [Figure 1] This is a top view showing a flush toilet according to one embodiment of the present invention. [Figure 2] This is a schematic cross-sectional view along line II-II in Figure 1. [Figure 3] This is a bottom view showing a flush toilet according to one embodiment of the present invention. [Figure 4] This is a perspective view of a condensation prevention component for a flush toilet according to one embodiment of the present invention. [Figure 5] This is a top view of a condensation prevention component for a flush toilet according to one embodiment of the present invention. [Figure 6] This is a bottom view of a condensation prevention component for a flush toilet according to one embodiment of the present invention. [Figure 7] This is a schematic cross-sectional view along line VII-VII in Figure 3. [Figure 8] This is an enlarged view of section A in Figure 3. [Modes for carrying out the invention]

[0013] The following describes a flush toilet 1 according to one embodiment of the present invention. First, the basic structure of a flush toilet 1 according to one embodiment of the present invention will be explained with reference to Figures 1 and 2. Figure 1 is a top view showing a flush toilet according to one embodiment of the present invention, and Figure 2 is a schematic cross-sectional view taken along line II-II in Figure 1. In Figure 1, the rim water channel, jet water channel, and drain trap pipe are indicated by dotted lines. Also, in Figure 2, the jet water channel is indicated by a dotted line. In this specification, when viewing a flush toilet from the front, the front side is referred to as "front," the back side as "rear," the left side as "left," and the right side as "right."

[0014] As shown in Figures 1 and 2, a flush toilet 1 according to one embodiment of the present invention comprises a ceramic toilet bowl body 2, a resin toilet seat and toilet lid (not shown) positioned on the upper surface of the toilet bowl body 2, and a water storage tank 4 positioned at the rear upper part of the toilet bowl body 2 and covered by a resin cover (not shown).

[0015] The toilet body 2 is formed with a bowl portion 6 for receiving excrement, a drainage trap pipeline 8 connected below the bowl portion 6 for discharging excrement, a rim water outlet 10 for performing rim water discharge, a rim water conduit 12 for supplying washing water to the rim water outlet 10, a jet water outlet 14 for performing jet water discharge, and a jet water conduit 16 for supplying washing water to the jet water outlet 14. Note that the jet water outlet 14 corresponds to an example of the "water outlet" in the present invention, and the jet water conduit 16 corresponds to an example of the "water conduit" in the present invention.

[0016] The bowl portion 6 includes a bowl-shaped excrement receiving surface 18, a rim portion 20 formed along the upper edge portion of the bowl portion 6, and a shelf portion 21 formed between the excrement receiving surface 18 and the rim portion 20. Further, the bowl portion 6 includes a tub portion 22 formed below the excrement receiving surface 18, and accumulated water W is formed inside the tub portion 22.

[0017] The drainage trap pipeline 8 includes an inlet portion 8a connected below the bowl portion 6, an ascending pipeline 8b extending upward from the inlet portion 8a, a descending pipeline 8c extending downward from the ascending pipeline 8b, and a top portion 8d located between the descending pipeline 8c and the ascending pipeline 8b for defining the accumulated water level. Here, the lower end of the descending pipeline 8c of the drainage trap pipeline 8 is connected to a drain pipe (not shown) via a drainage socket (not shown).

[0018] The rim water outlet 10 is formed at the left rear of the rim portion 20 when the toilet body 2 is viewed from the front. The rim water outlet 10 discharges washing water forward, and the washing water swirls on the inner peripheral surface of the rim portion 20 and the shelf surface of the shelf portion 21 while flowing down to the excrement receiving surface 18.

[0019] The rim water channel 12 is formed in a tapered shape, with the cross-sectional area of ​​the channel gradually decreasing towards the rim outlet 10. A rim water supply hose 13, which is directly connected to the water supply, is connected to the upstream side of the rim water channel 12. Cleaning water is supplied to the rim water channel 12 from the water supply, and the cleaning water is discharged from the rim outlet 10 due to the water supply pressure from the water supply.

[0020] The jet outlet 14 is formed below the bowl portion 6. The jet outlet 14 is positioned opposite the inlet 8a of the drain trap pipe 8 and is directed toward the inlet 8a of the drain trap pipe 8. The jet outlet 14 discharges cleaning water toward the inlet 8a of the drain trap pipe 8, and this cleaning water flows into the drain trap pipe 8 to activate a siphon effect.

[0021] The jet water conduit 16 is formed in a U-shape overall when viewed from above. The jet water conduit 16 comprises an upstream channel 16a extending forward from the water storage tank 4, a bent channel 16b that bends from the upstream channel 16a, and a downstream channel 16c that extends backward from the bent channel 16b and connects to the jet discharge port 14. Cleaning water is supplied to the jet water conduit 16 from the water storage tank 4, and the cleaning water is discharged from the jet discharge port 14 due to the head pressure of this cleaning water.

[0022] As shown in Figure 2, the jet water channel 16 is positioned below the top 8d of the drain trap pipe 8, so that water W is formed within the jet water channel 16. The jet water channel 16 has a larger vertical and horizontal cross-section compared to conventional products. The jet water channel 16 is set to have a volume of approximately 1 liter, allowing a larger amount of water to accumulate compared to conventional products. When flushing the toilet, the head pressure of the flushing water retained in the jet water channel 16 enables the discharge of a jet of water.

[0023] The water storage tank 4 is a gravity-fed tank that stores the cleaning water used for jet discharge. The water storage tank 4 is set to a volume of approximately 3 liters. Inside the water storage tank 4, there is a drainage device 26 that supplies or stops the flow of cleaning water to the jet water conduit 16. In addition, water is supplied to the tank by opening a valve of the water supply device 24. The water supply device 24 supplies water to the tank and also supplies cleaning water to the rim water supply hose 13.

[0024] Next, with reference to Figures 3 to 8, the condensation prevention member 30 of the flush toilet 1 according to one embodiment of the present invention will be described in detail. Figure 3 is a bottom view showing a flush toilet according to one embodiment of the present invention, Figure 4 is a perspective view of a condensation prevention member of a flush toilet according to one embodiment of the present invention, Figure 5 is a top view of a condensation prevention member of a flush toilet according to one embodiment of the present invention, Figure 6 is a bottom view of a condensation prevention member of a flush toilet according to one embodiment of the present invention, Figure 7 is a schematic cross-sectional view along the line VII-VII in Figure 3, and Figure 8 is an enlarged view of part A in Figure 3.

[0025] As shown in Figure 3, a condensation prevention member 30 is attached to the back of the toilet bowl body 2. The condensation prevention member 30 is a component that suppresses the generation of condensation water. The condensation prevention member 30 is made of an insulating material such as expanded polystyrene. Condensation water occurs when there is a temperature difference between the accumulated water W and the outside air, and is generated when the outside air comes into contact with the area where the accumulated water W is located. In particular, condensation water is likely to occur on the outer surfaces of the bowl portion 6 where the accumulated water W is located, the drain trap pipe 8, and the jet water channel 16. For this reason, the condensation prevention member 30 is configured to cover the outer surfaces of the bowl portion 6, the drain trap pipe 8, and the jet water channel 16.

[0026] The condensation prevention member 30 is made of a single component and is configured to cover the bowl portion 6 where the water W is collected, the drain trap pipe 8, and the jet water channel 16 all at once. The condensation prevention member 30 extends from the front of the bowl portion 6, over the top 8d of the drain trap pipe 8, and to the rear (see Figure 3). When the condensation prevention member 30 is attached to the toilet body 2, it forms a closed space between the condensation prevention member 30 and the bowl portion 6, the drain trap pipe 8, and the jet water channel 16 (see Figure 2). This closed space functions as an insulating layer, suppressing the generation of condensation on the outer surfaces of the bowl portion 6, the drain trap pipe 8, and the jet water channel 16.

[0027] As shown in Figures 4 to 6, the condensation prevention member 30 includes an extension portion 30a extending to the rear, a front mounting portion 30b located on the front side, a rear mounting portion 30c located on the rear side, and a positioning portion 30d located on the rear side.

[0028] The extended portion 30a of the condensation prevention member 30 is the part that covers the outer surface of the jet water channel 16. The extended portion 30a extends beyond the top portion 8d of the drain trap pipe 8 and behind the descending pipe 8c of the drain trap pipe 8. The extended portion 30a is formed along the outer shape of the jet water channel 16. As a result, the outer surface of the jet water channel 16 is covered by the condensation prevention member 30. The extended portion 30a is located to the right of the drain trap pipe 8 and directly below the jet water channel 16.

[0029] The front mounting portion 30b of the condensation prevention member 30 is configured to be elastically deformable and has the function of fixing the condensation prevention member 30 to the toilet bowl body 2. The front mounting portion 30b is formed on the front side of the condensation prevention member 30 and is formed along the inner wall 2a of the toilet bowl body 2 so as to abut against the inner wall 2a. The front mounting portion 30b is formed over the outer circumference of the front region of the condensation prevention member 30. As shown in Figure 2, the front mounting portion 30b is formed to be inclined downward and outward. The front mounting portion 30b is pressed against the inner wall 2a of the toilet bowl body 2 by a force that tries to return it to its original state. This fixes the condensation prevention member 30 to the toilet bowl body 2.

[0030] The rear mounting portion 30c of the condensation prevention member 30 is configured to be elastically deformable and has the function of fixing the condensation prevention member 30 to the toilet bowl body 2. The rear mounting portion 30c is formed on the rear side of the condensation prevention member 30 and is formed near the descending pipe 8c so as to abut against the descending pipe 8c of the drain trap pipe 8. The rear mounting portion 30c is formed to protrude to the left from the rear side end of the condensation prevention member 30. As shown in Figure 7, the rear mounting portion 30c is formed to slope downward to the left from the side end of the condensation prevention member 30. The rear mounting portion 30c is pressed toward the descending pipe 8c of the drain trap pipe 8 by the force of itself trying to return to its original state. This fixes the condensation prevention member 30 to the toilet bowl body 2.

[0031] The condensation-preventing member 30 is attached to the toilet bowl body 2 by a front mounting portion 30b and a rear mounting portion 30c. Therefore, the condensation-preventing member 30 can be easily installed and securely fixed. Furthermore, the amount of adhesive used to bond the condensation-preventing member 30 to the toilet bowl body 2 can be reduced or eliminated.

[0032] The positioning portion 30d has the function of positioning the condensation prevention member 30 to a position where it can be attached to the toilet bowl body 2. Two positioning portions 30d are provided. The positioning portions 30d are formed to protrude rearward from the rear end of the condensation prevention member 30. As shown in Figure 8, the positioning portions 30d are configured to abut against two rib portions 2c that protrude from the tank fixing hole portion 2b of the toilet bowl body 2. By the positioning portions 30d abutting against the rib portions 2c, the condensation prevention member 30 is guided to a position where it can be attached to the toilet bowl body 2. In one embodiment of the present invention, the flush toilet 1 is positioned by bringing the positioning part 30d into contact with the rib part 2c, but it is not limited to this, and positioning may be achieved by bringing it into contact with other parts.

[0033] The effects and benefits of the embodiment described above will be explained below. First, in the flush toilet 1 according to one embodiment of the present invention, accumulated water W is formed in each of the bowl portion 6, the drain trap pipe 8, and the jet water channel 16. Since the anti-condensation member 30 covers the outer surfaces of the bowl portion 6, the drain trap pipe 8, and the jet water channel 16, it is possible to suppress the generation of condensation water due to the accumulated water W in each of these parts. Furthermore, since the anti-condensation member 30 can cover each part at once, the anti-condensation member 30 can be easily attached to the toilet body 2. Thus, the anti-condensation member 30 can be easily attached to the toilet body 2, and the generation of condensation water due to the accumulated water W can be suppressed.

[0034] Furthermore, in the flush toilet 1 according to one embodiment of the present invention, the condensation prevention member 30 extends from the front of the bowl portion 6 to the top 8d of the drain trap pipe 8, so that the generation of condensation water can be suppressed over a wide area.

[0035] In a flush toilet bowl 1 according to one embodiment of the present invention, the condensation prevention member 30 is positioned near the descending pipe 8c and has an elastically deformable rear mounting portion 30c. The condensation prevention member 30 is fixed to the toilet bowl body 2 by pressing this rear mounting portion 30c against the outer surface of the descending pipe 8c, so the condensation prevention member 30 can be easily attached to the toilet bowl body 2.

[0036] Furthermore, in a flush toilet 1 according to one embodiment of the present invention, the condensation prevention member 30 includes a front mounting portion 30b that is positioned on the front side and is elastically deformable, and a rear mounting portion 30c that is positioned on the rear side and is elastically deformable. The condensation prevention member 30 is fixed to the toilet body 2 by pressing the front mounting portion 30b and the rear mounting portion 30c against the toilet body 2, so that the condensation prevention member 30 can be stably fixed to the toilet body 2.

[0037] In a flush toilet 1 according to one embodiment of the present invention, the condensation prevention member 30 is equipped with a positioning part 30d for determining the position in which the condensation prevention member 30 is attached to the toilet body 2. As a result, the condensation prevention member 30 is stably fixed to the toilet body 2, and the amount of adhesive used to bond the condensation prevention member 30 to the toilet body 2 can be reduced or eliminated. This allows the installation of the condensation prevention member 30 to be completed in a short amount of time.

[0038] In one embodiment of the present invention, a flush toilet is configured such that water is formed in the jet water channel and the jet water channel is covered by a condensation-preventing member, but it is also possible to configure the toilet so that water is formed in the rim water channel and the rim water channel is covered by a condensation-preventing member.

[0039] The present invention is not limited to the embodiments described above, and various modifications and variations are possible within the scope of the technical idea described in the claims. [Explanation of Symbols]

[0040] 1: Flush toilet 2: Toilet bowl 2a: Inner wall of the toilet bowl 2b: Hole in the toilet bowl 2c: Rib section of the toilet bowl 6: Bowl section 8: Drain trap pipe 8a: Inlet of drain trap pipe 8b: Rising pipe for drain trap piping 8c: Downward pipe for drain traps 8d: Top of the drain trap pipe 30: Anti-condensation material 30a: Extended portion of the condensation prevention member 30b: Front mounting part of the condensation prevention component 30c: Rear mounting section of the condensation prevention component 30d: Positioning part for condensation prevention component W:Retained water

Claims

1. A flush toilet that uses flushing water to discharge waste, A toilet bowl comprising: a bowl portion for receiving waste; a spout for discharging flushing water into the bowl portion; a water channel for supplying flushing water to the spout; and a drain trap pipe with an inlet connected to the lower part of the bowl portion for discharging waste, wherein the drain trap pipe comprises: an upward pipe extending upward from the inlet; a downward pipe extending downward from the upward pipe; and a top portion located between the downward pipe and the upward pipe that defines the water level of the reservoir, A condensation prevention member fixed to the toilet bowl body to suppress the generation of condensation water, It has, Water is formed in each of the above bowl section, the above drain trap pipe, and the above water conduit. The above-mentioned condensation-preventing member covers the outer surface of the bowl portion, the drain trap pipe, and the water conduit, making it a flush toilet.

2. The condensation-preventing member extends from the front of the bowl portion to the rear, beyond the top of the drain trap pipe, according to claim 1.

3. The above-mentioned anti-condensation member is positioned near the above-mentioned descending pipe and is equipped with an elastically deformable mounting portion. The flush toilet according to claim 2, wherein the mounting portion is pressed against the outer surface of the descending pipe, thereby fixing the condensation-preventing member to the toilet bowl body.

4. The above-mentioned anti-condensation member is, A front mounting portion is positioned on the front side and is elastically deformable, A rear mounting portion is located on the rear side and is elastically deformable, Equipped with, The flush toilet according to any one of claims 1 to 3, wherein the anti-condensation member is fixed to the toilet body by pressing the front mounting portion and the rear mounting portion against the toilet body.

5. The flush toilet according to claim 1, wherein the condensation prevention member is provided with a positioning part for determining the position in which the condensation prevention member is attached to the toilet bowl body.

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