JP3593620B2 - Drain socket for connecting toilet bowl and defecation pipe - Google Patents

Description

[0001]
[Industrial applications]
TECHNICAL FIELD The present invention relates to a drainage socket for connecting a defecation pipe connected to sewage or the like and an outlet of a defecation passage of a toilet.
[0002]
[Prior art]
FIG. 6 is a longitudinal sectional view of a conventional structure for connecting a defecation pipe connected to sewage or the like and an outlet of a defecation passage of a toilet bowl. As shown in the figure, a toilet pipe 2 communicating with a sewer pipe or the like when constructing a building frame is buried in the floor 1 of the toilet room in the vertical direction. The inner tube 4 of the drainage socket 3 is fitted in the inflow side of the defecation pipe 2 that opens into the toilet room. The lower half 5 a of the outer cylinder 5 of the drain socket 3 is placed on the floor 1, and the upper half 5 b is attached to the outlet 9 of the toilet passage 8 of the toilet 7 via the packing 6.
[0003]
The inner cylinder 4 of the drain socket 3 is formed only in the lower half, and a step 10 for mounting the drain socket 3 to the defecation passage 8 is provided between the inner cylinder 4 and the outer cylinder 5. Is formed. Further, an orifice 11 for generating a siphon action is formed on the inner bottom surface side of the inner cylinder 4.
[0004]
The orifice 11 interrupts the flow of a part of the toilet flush water flowing down through the defecation passage 8 to cause a turbulent flow in the part to form a water film. It works to fill the inside. Thereafter, the flushing water flows down so as to be drawn into the defecation pipe 2 due to the full water, and a so-called siphon effect is generated. This siphon action improves the carrying output of the filth, so that the filth is poured at a stretch.
[0005]
[Problems to be solved by the invention]
As described above, in the conventional toilet, a siphon action is generated to carry out the waste and wash the toilet with a strong transport output.
However, in the conventional drainage socket 3, only the orifice 11 is formed as a means for generating a siphon effect, and a large amount of washing water flows toward the defecation pipe 2 until the siphon effect occurs. However, there is a disadvantage that the amount of wasted washing water increases.
[0006]
[Means for Solving the Problems]
The present invention has been improved and removed in view of the above-mentioned conventional problems, and does not provide a drainage socket that suppresses wasteful washing water and realizes water saving by generating a siphon action early. It is assumed that.
[0007]
According to the first aspect of the present invention, there is provided a drainage pipe connected to sewage and the like, and an outlet of a toilet passage of a toilet bowl is connected through a drainage socket. In the above, the drain socket includes an outer cylinder, an inner cylinder formed at a lower portion in the outer cylinder, a step formed between the outer cylinder and an upper end of the inner cylinder, and a drain socket. An orifice formed on the inner bottom surface side of the inner cylinder on the outlet side, a throttle having a step portion projecting further inward, and an area larger than the inlet area of the throttle formed downstream from the throttle inlet a toilet and drainage socket for defecation pipe connection, characterized in that it is formed with a passage having a.
[0008]
Further, the means of claim 2 adopted by the present invention is such that the drainage pipe connected to sewage and the like and the outlet of the toilet toilet passage are connected via a drainage socket, An orifice is formed, and when the inlet of the flow path on the inlet side of the drain socket and the outlet of the flow path on the outlet side are parallel to each other and viewed from a direction orthogonal to the plane formed by the inlet and the outlet. And a drain socket for connecting a toilet bowl and a defecation pipe, wherein only a part of the inlet and the outlet are arranged so as to overlap each other.
[0009]
Means according to claim 3 in which the present invention is adopted, the claims sectional shape of the flow path of the inlet side and the outlet side of the drain socket, one characterized in that the other circular shape is elliptical 2 And a drain socket for connecting a toilet bowl and a defecation pipe.
[0010]
Furthermore, means of claim 4 in which the present invention is employed, a toilet according to claim 2 in which the center position of the inlet side of the water discharge socket outlet side of the flow path, characterized in that eccentric It is a drainage socket for connecting the defecation pipe.
[0011]
[Action]
According to the first aspect of the present invention, a throttle 13 is provided upstream of the orifice 11 of the drain socket 12. By providing the throttle 13, a portion of the washing water flowing down the defecation passage 8 of the toilet 7 randomly hits the throttle 13 and scatters, resulting in a turbulent state. Subsequently, the washing water also randomly hits and scatters at the downstream orifice 11, causing a turbulent flow to form a water film.
As described above, the formation of a water film by forming a turbulent state of the washing water in the two stages of the throttle 13 and the orifice 11 and the reduction of the volume of the flow path between the throttle 13 and the orifice 11, Therefore, it is possible to obtain a fully-filled state, and it is possible to significantly reduce the time required for generating the siphon action as compared with the conventional case.
[0012]
According to the first aspect of the present invention, the outer cylinder 5 is formed between the outer cylinder 5, the inner cylinder 4 formed at a lower part in the outer cylinder 5, and the upper end of the inner cylinder 4 branched from the outer cylinder 5. The drain socket 12 is formed by the stepped portion 10, the orifice 11 formed on the inner bottom surface side of the inner cylinder 4 which is the outlet side of the drainage socket 12, and the throttle 13 that further projects the stepped portion 10 inward. While the washing water flows through the drain socket 12, a water film is formed due to the turbulent state of the two-stage washing water, thereby realizing an early full state and shortening the time until the siphon action occurs. is there.
[0013]
In the means of claim 2 of the present invention, the orifice 11 is formed on the outlet 15 side of the drain socket 12, and the inlet on the inlet 14 side of the drain socket 12 and the orifice 11 on the outlet 15 side are formed. The outlet is arranged such that the plane formed by the inlet and the outlet is parallel, and when viewed from a direction orthogonal thereto, only a part of the inlet and the outlet overlap each other. The overlap means, to indicate Suyo in claim 3, may change the cross-sectional shape, as shown in Claim 4, may be eccentric center position of the flow channel to each other.
As a result, it is possible to reduce the area of the portion where the washing water directly flows down to the defecation pipe 2, and it is possible to cause a turbulent state in the washing water. For this reason, a water film is formed on the drain socket 12, and a full state is obtained, so that the siphon action occurs at an early stage. In other words, it is possible to suppress the amount of wasteful washing water that would cause the siphon effect, and to save water.
[0014]
【Example】
Hereinafter, the configuration of the present invention will be described with reference to the embodiments shown in the drawings.
FIG. 1 is a longitudinal sectional view showing the entire drain socket 12 according to the first embodiment of the present invention. As shown in the figure, another throttle 13 is formed on the drain socket 12 upstream of the orifice 11. The aperture 13 of this embodiment is formed by using a step portion 10 which is a portion where the inner cylinder 4 branches off from the outer cylinder 5, and is formed by further projecting the step portion 10 inward. . The lower side of the throttle 13 is formed in a tapered shape such that the diameter increases toward the bottom, and is continuous with the orifice 11.
[0015]
As described above, by forming the throttle 13 on the upstream side of the orifice 11, the washing water flowing from the toilet bowl first collides with the step portion 10 and scatters inward, thereby generating a turbulent state. I do. Subsequently, the orifice 11 also collides with the bottom wall surface and scatters inward, generating a turbulent flow. Therefore, in the flow path in the region between the step portion 10 and the orifice 11, the turbulent state becomes extremely violent, and the water film is easily formed.
[0016]
Further, by forming the aperture 13, it is possible to reduce the volume of the area between the step portion 10 and the orifice 11. Therefore, the amount of water for obtaining a full state required for generating the siphon action can be reduced, and the siphon action can be generated earlier by that much.
In other words, the flushing of the toilet is started due to the synergistic effect of the water film forming action due to the two turbulent states of the step portion 10 of the throttle 13 and the orifice 11 and the reduction of the flow volume between the throttle 13 and the orifice 11. Can generate a siphon action in an extremely short time, and is excellent in water saving effect. The water saving effect by the siphon action is the same as in the conventional case.
[0017]
FIG. 2 is a longitudinal sectional view showing the entire drainage socket 16 according to the second embodiment of the present invention. In the second embodiment, the lower side of the throttle 13 of the first embodiment has a rectangular cross-sectional shape and is connected to the orifice 11. The other configurations and operational effects are the same as those of the first embodiment.
[0018]
FIG. 3 is a longitudinal sectional view showing the entire drainage socket 17 according to the third embodiment of the present invention. In this embodiment, the first throttle 13 a and the second throttle 13 b are formed by forming the concave portion 18 in the middle of the throttle 13, and the flow path region between the step portion 10 and the orifice 11 is formed. A three-stage water film is formed.
Other configurations and basic effects are the same as those of the first embodiment.
[0019]
Next, a fourth embodiment of the present invention will be described with reference to FIGS. In this embodiment, the inlet of the flow path on the inlet 14 side of the drainage socket and the outlet of the flow path on the outlet 15 side are viewed from a direction in which the plane formed by the inlet and the outlet is parallel and perpendicular to the plane. In this case, only a part of the entrance and the exit are arranged so as to overlap each other. FIGS. 4 and 5A show the flow paths on the inflow port 14 side and the outflow port 15 side formed in circular shapes, respectively, and the center positions thereof are eccentric.
[0020]
FIG. 5 (b) shows a case where the center positions of the flow paths on the inflow port 14 side and the outflow port 15 side are the same, one side of the flow path is circular, and the other side is elliptical. is there. Further, FIG. 5C shows that the center positions of the flow paths on the inflow port 14 side and the outflow port 15 side are the same position, both flow paths are elliptical, and the major axis directions of the ellipse are different by 90 degrees. It is arranged in.
[0021]
In this manner, when the inlet of the flow path on the inflow port 14 side and the outlet of the flow path on the outflow port 15 side are viewed from a direction in which the plane formed by the inlet and the outlet is parallel and orthogonal thereto, When only a part of the inlet and the outlet are arranged so as to overlap each other, the amount of water flowing directly to the defecation pipe 2 through the inlet 14 and the outlet 15 is reduced. Therefore, the remaining washing water other than the washing water that directly passes through the inflow port 14 and the outflow port 15 collides with the respective wall surfaces at the inflow port 14 and the outflow port 15 and scatters inward, causing turbulent flow. This causes a water film to be formed.
[0022]
Thereby, the time from the start of toilet flushing to the occurrence of the siphon action is short, and the siphon action can be generated early. Further, before the siphon action occurs, the amount of washing water flowing directly through the inflow port 14 and the outflow port 15 can be reduced, and remarkable water saving can be achieved by a synergistic effect of these. is there.
[0023]
The present invention is not limited to the above-described embodiment. For example, the cross-sectional shape of the flow path between the inflow port 14 and the outflow port 15 may be a quadrangle or another polygon. Further, a combination of these polygonal flow paths and the above-described elliptical or circular flow paths may be used. Further, the throttle 13 formed on the upstream side of the orifice 11 may be of a multistage type having two or more stages.
[0024]
【The invention's effect】
As described above, according to the first aspect of the present invention, since the throttle is provided on the upstream side of the orifice of the drain socket, a part of the toilet flush water is colliding and scattered at each of the throttle and the orifice. As a result, a turbulent state is formed and a water film can be formed. In addition, by providing the throttle, the volume of the flow path between the throttle and the orifice can be reduced, and due to the synergistic effect, a full state can be obtained at an early stage, and the time required for the occurrence of the siphon action is reduced. Compared to the conventional case, it is significantly shorter, and water can be saved.
[0025]
In the means of claim 2 of the present invention, an orifice is formed on the outlet side of the drain socket, a step is formed on the upstream side of the orifice, and the step is protruded inward to restrict the throttle. When the inlet of the flow path on the inlet side of the drainage socket and the outlet of the flow path on the outlet side of the drainage socket are viewed from a direction in which the plane formed by the inlet and the outlet is parallel and orthogonal thereto In addition, since only a part of the inlet and the outlet are arranged so as to overlap each other, it is possible to reduce an area of a portion where the washing water directly flows down to the defecation pipe, and a turbulent state is caused in the remaining washing water. Can be raised. For this reason, a water film is formed on the drain socket, and a full state is obtained, so that the siphon action occurs early. That is, it is possible to suppress the amount of wasteful washing water until the siphon action is generated, and realize water saving.
[0026]
In addition, the drainage socket according to claim 1 of the present invention is provided with a throttle and an orifice in one member, and can obtain a water-saving effect by forming a water film and reducing the volume of the flow path. Compared to the case where such a member is formed by a separate member, the degree of eccentricity due to construction variation does not largely shift.
In other words, the drainage socket of the present invention can obtain a very stable water-saving effect without being affected by construction variations when a throttle and an orifice are provided in one member.
[Brief description of the drawings]
FIG. 1 is a vertical sectional view of a drain socket according to a first embodiment of the present invention.
FIG. 2 is a vertical sectional view of a drain socket according to a second embodiment of the present invention.
FIG. 3 is a longitudinal sectional view of a drainage socket according to a third embodiment of the present invention.
FIG. 4 is a vertical sectional view of a drainage socket according to a fourth embodiment of the present invention.
FIGS. 5 (a) to (c) are drawings showing a state in plan view of flow paths on the inlet and outlet sides of a drain socket according to a fourth embodiment of the present invention.
FIG. 6
It is a longitudinal section of the whole toilet showing the connection structure of the conventional drainage socket.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 ... Floor 2 ... Defecation pipe 3 ... Drain socket 4 ... Inner cylinder 5 ... Outer cylinder 5a ... Lower half of outer cylinder 5b ... Upper half of outer cylinder 7 ... Toilet bowl 8 ... Defecation passage 9 ... Outlet 10 of defecation passage ... Step of drain socket 11 ... Orifice 12 ... drain socket 13 ... throttle 14 ... inlet of drain socket 15 ... outlet of drain socket 16 ... drain socket 17 ... drain socket

Claims (4)

In a device in which a defecation pipe connected to sewage and the like and an outlet of a defecation passage of a toilet are connected via a drain socket, the drain socket has an outer cylinder and an inner tube formed at a lower portion in the outer cylinder. A step formed between the pipe and the upper end of the inner pipe branched from the outer pipe; an orifice formed on the inner bottom face of the inner pipe which is an outlet side of the drainage socket; Characterized by being formed by a restrictor protruding to the side and a flow path having a larger area than the inlet area of the restrictor formed downstream of the restrictor inlet , and drainage for connecting a toilet bowl and a defecation pipe socket. An orifice is formed at the outlet side of the drainage socket, and an orifice is formed at the outlet side of the drainage socket. When the entrance of the passage and the exit of the flow path on the outlet side are parallel to a plane formed by the entrance and the exit, and viewed from a direction orthogonal thereto, only a part of the entrance and the exit overlap with each other. A drain socket for connecting a toilet bowl and a defecation pipe. 3. The drainage socket for connecting a toilet bowl and a defecation pipe according to claim 2, wherein one of the cross-sectional shapes of the inflow side and the outflow side of the drainage socket has a circular shape and the other has an elliptical shape. . 3. The drainage socket for connecting a toilet bowl and a defecation pipe according to claim 2, wherein the center positions of the flow paths on the inflow side and the outflow side of the drainage socket are eccentric.

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