JP2011137330A - Piping structure of tank body - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a piping structure of a tank body excelling in design and watertightness, simplifying torque control, causing no stagnation of dead water, and facilitating molding of members. <P>SOLUTION: The piping structure of the tank body includes the tank body provided with a drain port 1 in the bottom face, and a cylindrical connecting cylinder part 2 provided downward from the peripheral edge of the drain port 1; a drain plug body 3 formed in substantially cylindrical shape, and having an opening 4 into which drainage flows, at the upper part, a flange part 5 continuously provided further above to project along the peripheral edge, and a connecting receiving part 6 provided upward from the upper face of the flange part 5; an annular packing 7 arranged between the outer side face of the connecting cylinder part 2 and the inner side face of the connecting receiving part 6 to abut in a watertight manner on the outer side face of the connecting cylinder part 2 and the inner side face of the connecting receiving part 6; and a fixing part for fixing and connecting drain plug body 3 to the tank body further at the outside part of the connecting receiving part 6. <P>COPYRIGHT: (C)2011,JPO&INPIT

Description

  The present invention relates to a drainage pipe of a tank body that drains the tank body, such as a wash basin, a sink, a bathroom, a bathtub, and the like, and more specifically, a drain port provided on the bottom surface of the tank body, and drainage to the sewage side. The present invention relates to a connection structure with a drain pipe for discharging.

For devices that produce drainage in the tub provided by use, such as washbasins, sinks, bathrooms, bathtubs, etc. (hereinafter, such devices are referred to as “drainage devices”), discharge the generated wastewater to the sewage side. For this purpose, a drain pipe combined with pipe members is provided.
Below, an example of the drainage piping which processes the waste_water | drain of such a drainage device is described.
The piping structure of the first conventional tank shown in FIG. 12 (hereinafter referred to as “first conventional example”) includes a wash bowl, a drain plug body, a wash bowl, and a drain plug body that are tank bodies of drainage equipment. It is comprised from the annular packing which is arrange | positioned in between and water-tightly contacts both, the overflow adapter arrange | positioned around a drain plug main body, the screw member which fixes a drain plug main body, etc.
The wash bowl is an artificial marble tank placed above the wash basin, and has a drain outlet on its bottom surface, and is screwed with a screw member on the bottom surface of the bottom face of the wash bowl and on the periphery of the drain port. The screw hole part to be provided is provided. In addition, an overflow drain outlet is provided near the upper side of the side surface of the wash bowl, and an overflow pipe for treating drainage from the overflow drain outlet is provided.
The drain plug body has a substantially cylindrical shape, and a flange provided at the periphery of the upper end of the drain plug so as to continuously protrude from the periphery in the outer peripheral direction, and a through hole provided at a position corresponding to the screw hole of the flange. And a hole. Further, a lateral hole portion into which overflow drainage flows is provided on the side surface of the drain plug body.
The annular packing is a ring-shaped member made of an elastic material such as a rubber material.
The overflow adapter has a substantially cylindrical shape and is equipped with an overflow connection part that guides the overflow drainage that flows from the overflow drainage port on the upper side of the tank body to the drainage plug body side. Around the part, it is arranged concentrically with the drain plug body.
The screw member is a member for fixing the drain plug main body, which includes a screw hole portion of the wash bowl and a screw portion to be screwed.
In addition, a drainage trap pipe (not shown) that creates a drainage pool called sealed water inside by bending the pipe body into an approximately S-shape, preventing odors from sewage and backflow of pests indoors And so on.

Each member of the drainage pipe configured as described above is applied to a wash bowl that is a tank body as follows.
Through the annular packing, the bottom surface of the drain outlet of the wash bowl and the top surface of the flange of the drain plug body are in contact so that the positions of the screw holes and the through holes in plan view (or bottom view) match. Then, the screw member is screwed into the screw hole portion through the through hole, and the wash bowl and the drain plug body are fixed.
Next, the overflow adapter is disposed and fixed around the drain plug main body so that the horizontal hole of the overflow adapter drain plug main body is at substantially the same height.
In addition, an overflow pipe is connected to the overflow connection part of the overflow adapter, and the lower end portion of the drain plug body is connected to the sewage side using a drain trap pipe or the like, so that the drain pipe to the wash bowl as a tank body is connected. Piping work is completed.

In the drainage pipe of the wash bowl constructed as described above, when drainage occurs in the wash bowl, the drainage passes through the drain plug body from the drain of the wash bowl and is discharged from the drain trap pipe to the sewage side. The In addition, when passing through the drain trap pipe, the water seal part (the part where the full water is generated inside the pipe and the gas cannot pass) is generated inside the pipe by storing the sealed water inside the pipe. Thus, odors and pests from the sewage side are prevented from entering the indoor side.
In addition, when the drain outlet is closed with a rubber stopper, etc., and the drainage is collected inside the wash bowl, when the water level of the accumulated water reaches the lower end of the overflow drain outlet, the drainage from the overflow drain outlet to the overflow pipe, overflow connection part, The drainage flows in the order of the inside of the overflow adapter, finally flows in from the lateral hole of the drain plug body, and is discharged to the sewage side through the drain trap pipe. As a result, even if the drainage flows while the drain outlet in the wash bowl is closed, and the drainage collects inside, the drainage can be treated without overflowing from the upper end of the wash bowl.

The wash bowl configured as described above and its drain pipe have an excellent effect that there are no irregularities or grooves around the drain port, and the design and cleanability are good. However, the tank body such as a wash bowl configured as described above and its drainage piping have the following problems.
For connection between the tank body and the drain plug body, which is a piping member of the drain pipe, use a screw member after placing an annular packing between the drain port peripheral lower surface of the tank body and the flange top surface of the drain plug body In addition, the bottom surface of the drain outlet of the tank body and the top surface of the flange portion of the drain plug body are brought into contact with each other with a strong stress.
In this way, the annular packing strongly contacts each of the drain port peripheral lower surface and the flange portion upper surface, thereby exhibiting water-stopping, and preventing drainage from leaking between the drain port peripheral lower surface and the flange portion. . However, since the contact stress is generated by screwing between the screw member and the screw hole portion, if the screw engagement between the screw member and the screw hole portion is insufficient, the contact stress acting on the annular packing is used. May be weakened and water leakage may not be achieved and water leakage may occur. Of course, this problem can be solved by managing the tightening strength of the screw member, so-called "torque management". However, it is necessary to prepare a jig that can perform torque management and to confirm the process to the operator. As a matter of course, the labor of the construction worker will increase.
Further, in many cases, the drain plug body is formed of a resin material such as ABS resin. For this reason, it is easy to bend in comparison with a metal material, and the arrangement position of the annular packing is somewhat apart from the screwed portion of the screw member and the screw hole in plan view, no matter how properly the screw member is screwed, Due to the bending of the resin material, the abutting stress acting on the annular packing is weakened, water stoppage is not exhibited, and water leakage may occur.

Accordingly, the following tank body piping structure has been proposed which solves the problems of the first conventional example.
The piping structure of the second conventional tank shown in FIG. 13 (hereinafter referred to as “second conventional example”) includes a wash bowl, a drain plug body, a wash bowl, and a drain plug body that are tank bodies of drainage equipment. It is composed of an annular packing that is disposed between the two and is in watertight contact with both, a screw member that fixes the drain plug body, and the like.
The wash bowl is an artificial marble tank placed above the wash basin, and has a drain outlet on its bottom surface, and is screwed with a screw member on the bottom surface of the bottom face of the wash bowl and on the periphery of the drain port. The screw hole part to be provided is provided.
Further, a cylindrical connecting tube portion is provided downward from the periphery of the drain port, and a stepped fitting recess is provided below the inner side surface of the connecting tube portion.
In addition, an overflow drain outlet is provided near the upper side of the side surface of the wash bowl, and an overflow pipe for treating drainage from the overflow drain outlet is provided.
The drain plug body has a substantially cylindrical shape, and is provided at the periphery of the upper end of the drain plug body. The inner peripheral flange projecting outward from the cylindrical portion, the rising portion raised from the outer peripheral edge of the inner peripheral flange portion, and the upper end of the rising portion And a through hole provided at a position corresponding to the screw hole portion of the wash bowl. Furthermore, it is provided with a fitting portion that extends continuously upward from the flange portion, and an annular groove portion is provided on the outer side surface of the fitting portion.
In addition, an overflow connection portion is provided on the side surface of the drain plug body to guide the overflow drainage flowing from the overflow drain port on the upper side surface of the tank body to the drain plug body side.
The annular packing is a ring-shaped member made of an elastic material such as a rubber material.
In addition, a drainage trap pipe (not shown) that creates a drainage pool called sealed water inside by bending the pipe body into an approximately S-shape, preventing odors from sewage and backflow of pests indoors And so on.

Each member of the drainage pipe configured as described above is applied to a wash bowl that is a tank body as follows.
After fitting the annular packing into the groove portion of the fitting portion of the drain plug body, the fitting portion is fitted into the fitting recess of the wash bowl, and the screw member is screwed into the screw hole portion through the through hole, Secure the wash bowl and drain plug body.
Next, the overflow pipe is connected to the overflow connection portion of the drain plug body, and the lower end portion of the drain plug body is connected to the sewage side using a drain trap pipe or the like to drain into the wash bowl that is the tank body. Piping construction of piping is completed.

  The drainage pipe of the wash bowl constructed as described above can treat the drainage discharged into the wash bowl in the same manner as the first conventional example described in paragraph 0004.

Further, in the second conventional example, the first conventional example has an excellent effect that there is no unevenness or a groove around the drainage port, and the design and cleaning properties are good. .
Further, the annular packing is fitted in the groove portion of the fitting portion, and is in contact with the fitting portion (the groove side surface) and the fitting recess side surface from the side surface. The strength of the stress for this contact is determined by the outer diameter of the fitting portion (the side surface of the groove portion) and the inner diameter of the fitting recess, and is determined regardless of the tightening torque of the screw member. It is. That is, as long as the dimensional accuracy of each member is properly controlled, water is stopped between the annular packing, the drain plug main body and the wash bowl simply by fitting the fitting into the fitting recess of the wash bowl. Sufficient stress is generated in order to achieve the necessary water stopping performance. To control the tightening strength of the screw member, it is only necessary to tighten with a tightening torque that does not cause the drain plug body and other piping members to fall out of the wash bowl. The labor of the operator can be reduced.
Further, since the stress of contact acting on the annular packing is not weakened by the bending of the resin material, the screw member can be arranged at any position regardless of the annular packing.

JP-A-10-68158 JP 2009-79384 A

However, the tank piping structure as in the second conventional example has the following problems.
Problems 1. In the piping structure of the tank body as in the second conventional example, the joint (A in FIG. 13) between the fitting portion of the drain plug main body and the fitting recess of the wash bowl is more than the annular packing. It will be provided above. For this reason, if drainage enters from the joint between the fitting part and the fitting recess and accumulates in the gap above the annular packing, it can be removed artificially unless the drain plug body is separated from the wash bowl. Almost impossible. In this way, the waste water that has entered the gap may rot and cause various germs to grow, or may cause problems such as the generation of a strange odor.
Problem 2. The bottom surface of the tank body, such as a wash bowl, is provided with a slight downward slope toward the drain port to allow drainage to flow. Further, in the vicinity of the drainage port, a structure projecting downward is formed in order to form a fitting recess.
In contrast to the above-mentioned structure in which the bottom surface near the drain outlet of the wash bowl protrudes downward, this second conventional example of the piping structure of the tank body can be handled by providing a raised portion on the flange portion of the drain plug body. is doing. By the way, in the fitting part, it is necessary to provide a groove part into which the annular packing is fitted, but since the shape of the flange part is provided with the rising part as described above, the rising part becomes an obstacle and at least as it is. The shape of the groove cannot be cut from the horizontal direction with a processing tool. Similarly, even in the case of resin molding using a mold, the upright portion interferes, so that it is difficult to move the mold in the side surface direction, and it is difficult to form the shape of the groove.
If the position around the screw hole of the wash bowl is made extremely thick and the opening position of the screw hole is lowered, the upright part can be omitted, but for this purpose, the thickness of the wash bowl is changed only in this part. There is a problem that the dimensional accuracy of the wash bowl is distorted, such as the degree of shrinkage of the resin, and that the resin material of artificial marble is used much, leading to cost increase. It was.
For this reason, the groove part is formed by using a mold having a special structure that moves to the upper side after actually opening to the left and right once, or only the fitting part is formed as a separate member, and the drain plug body after molding It was necessary to attach to the surface by a method such as adhesion, and in any case, it was a cause of increasing the unit price of the member.
The present invention has been devised in order to solve the above-mentioned problems. In the piping structure of a tank body such as a wash basin, a sink, a bathroom, and a bathtub, the tank has good design and cleanability, and is more hygienic and inexpensive. The body piping structure is provided.

The present invention according to claim 1 is a tank body in which a drain port 1 is provided on the bottom surface and a cylindrical connecting tube portion 2 is provided downward from the periphery of the drain port 1;
It has a substantially cylindrical shape and is provided with an opening 4 through which drainage flows upward. Further, a flange portion 5 is provided on the outer side surface of the upper portion so as to protrude along the peripheral edge. A drain plug body 3 provided with a connection receiving portion 6 whose inner side surface has a shape corresponding to the outer side surface of the connection cylinder portion 2,
An annular packing 7 disposed between the outer side surface of the connection tube portion 2 and the inner side surface of the connection receiving portion 6 and in watertight contact with the outer side surface of the connection tube portion 2 and the inner side surface of the connection receiving portion 6;
A fixing portion for fixing and connecting the tank body and the drain plug main body 3 at a further outer portion of the connection receiving portion 6;
It is the piping structure of the tank body characterized by comprising.

  The present invention according to claim 2 is the tank body piping structure according to paragraph 0012, characterized in that an annular groove portion 2 a into which the annular packing 7 is fitted is provided on the outer side surface of the connecting tube portion 2.

  According to the third aspect of the present invention, the annular packing 7 is disposed on the upper surface of the flange portion 5 of the drain plug main body 3, and the position of the annular packing 7 is provided at the contact portion of the connecting cylinder portion 2 with the annular packing 7. It is a piping structure of the tank body as described in Paragraph 0012, provided with the step part 2b or the inclined surface 2c which prevents a shift | offset | difference.

According to a fourth aspect of the present invention, in the drainage pipe of the tank body,
Paragraph 0012 to Paragraph 0014 characterized by comprising a remote-operated drain plug device having a disc-shaped valve body 9a that abuts on the upper opening 4 of the drain plug body 3 and closes the opening 4. It is the piping structure of the tank body as described in any one of these.

The present invention according to claim 5 is provided with a cylindrical overflow connection portion 8 on the drain plug side surface,
The upper part of the overflow connecting part 8 is also used as a part of the flange part 5,
The tank piping structure according to any one of paragraphs 0012 to 0015.

In invention of Claim 1, while providing the effect which the piping structure of the tank body of the 2nd prior art described in Paragraph 0009 was equipped, Furthermore, the joint of a tank body and a drain plug main part is cyclic. Since it is below the packing, even if the wastewater enters from the joint, the wastewater does not accumulate between the joints because it flows down from the outlet into the drain plug body by gravity. For this reason, as in the second conventional example, the wastewater that has entered the joints and gaps is not spoiled to cause germs to propagate or to generate a strange odor.
In this invention of Claim 2, it comprises an annular groove part in the outer side surface of a connection cylinder part. In this way, if the annular groove is provided on the outer side surface side, the shape of the groove can be cut out with a processing tool or the like without being particularly interfered with any member or part, or a simple two-piece split. By forming the mold structure, the annular groove portion can be formed, and there is no need to deal with the method of deteriorating the member accuracy or increasing the cost as in the second conventional example.
In this invention of Claim 3, while arrange | positioning an annular packing on a flange part upper surface, and providing the inclined surface or the step part in the connection cylinder part by the side of a tank body, it can arrange | position an annular packing without position shift. Thus, unlike the second conventional example, there is no need to deal with a method of deteriorating member accuracy or increasing cost.
According to a fourth aspect of the present invention, a remote-operated drain plug device having a valve body that contacts the flange portion of the drain plug body and closes the opening above the drain plug body is provided. The valve body of the device could be made to abut against the drain plug body to prevent drainage from flowing out, and the water stop performance could be improved.
Since the tank body is considerably larger than the drain plug body, it is relatively difficult to manage the dimensions. If the tank body is in contact with the tank body, which is difficult to manage the dimensions, the structure is designed to prevent water leakage. There was a problem of becoming. For example, assuming that the drain plug body has a cylindrical shape with a diameter of 50 mm and the width of the wash bowl as a tank body to which the drain plug body is connected is 600 mm, However, in the case of a wash bowl, it will expand / contract as much as 6 millimeters in the horizontal direction. Of course, the influence of the expansion / contraction of 6 mm appears at the drain of the tank body, and the diameter of the drain does not expand / shrink by 6 mm. Of course, the better is better, and as in the present invention, the structure of the valve body of the remote-operated drain plug device in contact with the drain plug body to prevent the drainage of drainage improves the water stop performance. Can do.
In the present invention described in claim 5, the overall height of the drain plug main body is obtained by providing a cylindrical overflow connection portion on the side surface of the drain plug and also using the upper portion of the overflow connection portion as a part of the flange portion. Compared to the case of not using both, it could be lowered. In addition, the unit unit price can be reduced by reducing the amount of the material used.

It is a reference drawing which shows the piping structure of the tank body of a 1st Example. It is the reference view which expanded the principal part which shows the opening state of the opening part of a 1st Example. It is the reference view which expanded the principal part which shows the closing state of the opening part of a 1st Example. It is the perspective view which notched one part of the drain plug main body of a 1st Example. It is a reference drawing which shows the piping structure of the tank body of a 2nd Example. It is the reference view which expanded the principal part which shows the opening state of the opening part of a 2nd Example. It is the reference figure which expanded the principal part which shows the closing state of the opening part of a 2nd Example. It is the perspective view which notched one part of the drain plug main body of 2nd Example. It is a reference drawing which shows the piping structure of the tank body of a 3rd Example. It is the reference view which expanded the principal part which shows the opening state of the opening part of a 3rd Example. It is the reference view which expanded the principal part which shows the closing state of the opening part of a 3rd Example. It is sectional drawing which shows a 1st prior art example. It is sectional drawing which shows a 2nd prior art example.

Below, the 1st example of the present invention is described, referring to drawings.
The piping structure of the tank body of the first embodiment of the present invention shown in FIG. 1 shows the piping structure of a wash basin provided with a wash bowl S that is a tank body and a drain pipe for treating the drainage of the wash bowl S. And
A wash bowl S, which is a tank body of a drainage device, a drain plug main body 3, an annular packing 7 which is disposed between the wash bowl S and the drain plug main body 3 and is in watertight contact with both, and a drain plug main body 3 are fixed. The remote control type drain plug device provided with the screw member 10 to be closed and the valve member 9 for closing the upper opening of the drain plug body 3, the drain trap pipe 11 for connecting the drain plug body 3 and the underfloor pipe, and the like.
The wash bowl S is a substantially box-shaped tank made of artificial marble that is disposed above the wash basin and has an upper opening. The wash bowl S has a drain port 1 on its bottom surface, and a lower side from the periphery of the drain port 1. A cylindrical connecting tube portion 2 is provided toward the surface. Further, on the outer side surface of the connecting tube portion 2, an annular groove portion 2 a into which the annular packing 7 is fitted is provided horizontally along the circumference. Further, a screw hole portion 15 that is screwed into the screw member 10 is provided on the bottom surface of the outer portion of the connection receiving portion 6.
In addition, an overflow drain 12a is provided near the upper side of the side surface of the wash bowl S, and an overflow pipe 12 for treating drainage from the overflow drain 12a is provided.
The drain plug body 3 is a member having a substantially cylindrical shape whose inner diameter is slightly smaller than the inner diameter of the drain port 1 as shown in FIG. Prepare.
Then, the water stop surface 13 forms an opening 4 through which drainage flows, and from the opening 4 outwardly from the flange 4 provided continuously along the periphery, and from the upper surface of the flange 5 A connection receiving portion 6 is provided that rises upward and has a shape in which the inner side surface corresponds to the outer side surface of the connection tube portion 2.
In addition, an outer peripheral flange 14 protruding outward and a through hole 16 at a position corresponding to the screw hole 15 of the wash bowl S are provided at the upper end of the connection receiving portion 6. Become. The inner diameter of the connection receiving portion 6 is slightly larger than the outer diameter of the connection tube portion 2.
In addition, since the water stop surface 13 expands in diameter, the inner diameter of the upper end portion of the water stop surface 13 is slightly larger than the inner diameter of the drain port 1. In addition, an overflow connection portion 8 is provided on the side surface of the drain plug body 3 to guide the overflow drainage flowing from the overflow drain port 12a on the upper side surface of the tank body to the drain plug body 3 side.
The annular packing 7 is a ring-shaped member made of an elastic material such as a rubber material. When the annular packing 7 is fitted in an annular groove 2a provided on the outer side surface of the connecting cylinder portion 2, the outer periphery of the annular packing 7 is a connection receiving portion. 6 is formed to have a size slightly larger than the inner peripheral surface.
The screw member 10 is a member having a male screw for fixing the drain plug main body 3 to the wash bowl S, and the screw member 10 and the screw hole portion form a fixing portion.
The valve member 9 is a member that moves up and down in the drain port 1 and the drain plug body 3, and is suspended from a disc-shaped valve body 9a, a valve shaft 9b hanging from the center of the valve body 9a, and a lower surface of the valve body 9a, The valve packing 9c is configured to be in watertight contact with the water stop surface 13 when the valve member 9 is lowered.
The remote-operated drain plug device includes an operation unit 17, an operation unit 18, and a release wire 19 described below.
The operation part 17 is a member arranged and fixed in the vicinity of the periphery of the opening 4 of the wash bowl S, and is a member for operating the raising and lowering of the valve member 9 by an operation by the user.
The operation unit 18 is a member disposed and fixed in the drain plug main body 3, and an operation axis provided corresponding to an operation applied to the operation unit 17 moves up and down. When the operating shaft rises, the tip of the operating shaft comes into contact with the lower end of the valve shaft 9b of the valve member 9 to push up the valve member 9.
The release wire 19 is a member that communicates between the operation unit 18 and the operation unit 17 and transmits an operation applied to the operation unit 17 to the operation unit 18.
The drainage trap pipe 11 is a member that creates a drainage pool called sealed water inside by bending the pipe body into a substantially S shape, and prevents odor from sewage and the backflow of harmful insects to the indoor side. The drain trap pipe 11 is connected to the lower end of the drain plug main body 3, and has a branch pipe part 20 that is substantially cylindrical and communicates with the inside of the drain trap pipe 11 in the vicinity of the upstream end.

Each member of the drainage pipe configured as described above is applied to the wash bowl S which is a tank body as follows.
First, the operation unit 17 of the remote-operated drain plug device is disposed and fixed near the periphery of the opening above the wash bowl S, and a release wire 19 is connected to the operation unit 17.
Next, after the annular packing 7 is fitted in the annular groove 2a on the outer side surface of the connection cylinder part 2, the drain plug body 3 is inserted into the annular packing 7 in which the inner peripheral surface of the connection receiving part 6 is fitted in the annular groove 2a. In other words, the connection tube portion 2 is covered with the connection receiving portion 6 while being in contact therewith. From this state, the screw member 10 is screwed into the screw hole 15 through the through hole 16 so that the positions of the through hole 16 and the screw hole 15 are matched, and the wash bowl S and the drain plug body 3 are fixed. .
Next, the overflow pipe 12 is connected to the overflow connection portion 8 of the drain plug body 3.
Furthermore, after fixing the operating part 18 of the remote-controlled drain plug device to the drain plug body 3, the release wire 19 is inserted into the branch pipe part 20 of the drain trap pipe 11, and the release wire 19 is connected to the operating part 18. .
From this state, the drain trap pipe 11 is connected to the lower end portion of the drain plug main body 3, and the lower end of the drain trap pipe 11 is connected to the underfloor pipe that is the sewage side pipe.
Further, the end portion of the branch pipe portion 20 is closed in a watertight manner with the release wire 19 inserted, and the valve member 9 is disposed in the drain plug body 3 from the drain port 1 to provide a remotely operated drain plug device. The piping construction to the wash bowl S that is the tank body is completed.

When using the wash bowl S constructed with piping as described above, first, the operation unit 17 is operated, and as shown in FIG. It is pushed up by the operating shaft, and the valve packing is not in contact with the water stop surface 13 and the opening 4 is open.
In this state, when drainage is generated in the wash bowl S, the drainage passes from the drain port 1 of the wash bowl S to the opening 4 of the drain plug body 3 and the inside of the drain plug body 3, and from the drain trap pipe 11 to the sewage side. To be discharged. Further, when passing through the drain trap pipe 11, the water seal portion is created inside the pipe to prevent the odor and pests from entering the indoor side from entering the indoor side. The
When the operation unit 17 is operated from this state to lower the operation shaft of the operation unit 18, the valve member 9 loses support of the operation shaft and descends, and the valve packing 9c comes into contact with the water stop surface 13. As shown in FIG. 3, the opening 4 is closed by the valve body 9a and the valve packing 9c.
In this state, when drainage occurs in the wash bowl S, the drainage is stored in the wash bowl S and the water level rises. However, when the level of the accumulated water reaches the lower end of the overflow drain 12a, the drainage is discharged. It flows in the order of the overflow pipe 12 and the overflow connection portion 8 from the overflow drain port 12a, finally flows into the drain plug main body 3, and is discharged to the sewage side through the drain trap pipe 11. As a result, the wastewater is allowed to flow without being overflowed from the upper end of the wash bowl S even if the drainage is made to flow while the drain outlet 1 in the wash bowl S is closed.
Thereafter, by applying the same operation to the operation unit 17, the opening 4 can be opened / closed remotely.

In the piping structure of the wash bowl S of the first embodiment, as in the second conventional example, there are no irregularities or grooves around the drain port 1 and the excellent design and cleaning properties are excellent. It has.
Further, the annular packing 7 is fitted in the annular groove 2a, and is in contact with the connection cylinder portion 2 (the side surface of the annular groove 2a) and the side surface of the connection receiving portion 6 from the side surface. The strength of the stress for performing this contact is determined by the outer diameter of the connecting tube portion 2 (the side surface of the annular groove portion 2a) and the inner diameter of the connection receiving portion 6, and the tightening torque of the screw member 10 is It is decided regardless. That is, as long as the dimensional accuracy of each member is managed properly, the connection receiving portion 6 covers the connection cylinder portion 2 and only fits between the annular packing 7 and the drain plug body 3 and the wash bowl S. Sufficient stress is generated to stop water, and the necessary water stopping performance is exhibited. The tightening strength of the screw member 10 may be tightened with a tightening torque that does not cause the drain plug body 3 and other piping members to fall off the wash bowl S, and it is necessary to perform a more precise torque control as in the first conventional example. This eliminates the labor of construction workers.
Further, since the stress of contact acting on the annular packing 7 is not weakened by the bending of the resin material, the screw member 10 can be arranged at a free position regardless of the annular packing 7.
Further, in the first embodiment, since the joint between the wash bowl S and the drain plug body 3 is below the annular packing 7, even if drainage enters from the joint, the drain plug body 3 directly from the discharge port by gravity. Because it flows down, drainage does not collect between the joints. For this reason, unlike the 2nd prior art example, the waste water which entered into the joint and the gap does not rot and breed germs or generate a strange odor. In the first embodiment, when the annular groove portion 2a is formed, the connection receiving portion 6 is provided with the groove portion as in the second conventional example by providing the annular groove portion 2a on the outer side surface of the connection tube portion 2. Therefore, it is no longer necessary to deal with the method of deteriorating the member accuracy or increasing the cost.
In the first embodiment, the remote control type drain plug device having the valve body 9a that contacts the flange portion 5 of the drain plug body 3 and closes the opening above the drain plug body 3 is provided. The valve body 9a of the operation-type drain plug device is configured not to be a wash bowl S, which is difficult to obtain the dimensional accuracy of the large member, but to contact the drain plug body 3 which is easy to obtain the dimensional accuracy of the small member to prevent drainage from flowing out. It was possible to improve the water stop performance.

Next, a second embodiment of the present invention will be described with reference to the drawings.
The piping structure of the tank body of the second embodiment of the present invention shown in FIG. 5 shows the piping structure of a wash basin equipped with a wash bowl S that is a tank body and a drain pipe for treating the drainage of the wash bowl S. And
A wash bowl S, which is a tank body of a drainage device, a drain plug main body 3, an annular packing 7 which is disposed between the wash bowl S and the drain plug main body 3 and is in watertight contact with both, and a drain plug main body 3 are fixed. The remote control type drain plug device provided with the screw member 10 to be closed and the valve member 9 for closing the upper opening of the drain plug body 3, the drain trap pipe 11 for connecting the drain plug body 3 and the underfloor pipe, and the like.
The wash bowl S is a substantially box-shaped tank made of artificial marble that is disposed above the wash basin and has an upper opening. The wash bowl S has a drain port 1 on its bottom surface, and a lower side from the periphery of the drain port 1. A cylindrical connecting tube portion 2 is provided toward the surface. Further, a stepped portion 2b for positioning the annular packing 7 is provided horizontally at the lower end portion of the outer periphery of the connecting tube portion 2 along the circumference. Further, a screw hole portion 15 that is screwed into the screw member 10 is provided on the bottom surface of the outer portion of the connection receiving portion 6.
In addition, an overflow drain 12a is provided near the upper side of the side surface of the wash bowl S, and an overflow pipe 12 for treating drainage from the overflow drain 12a is provided.
The drain plug main body 3 is a member having a substantially cylindrical shape whose inner diameter is slightly smaller than the inner diameter of the drain port 1 as shown in FIG. Prepare.
Then, the water stop surface 13 forms an opening 4 through which drainage flows, and from the opening 4 outwardly from the flange 4 provided continuously along the periphery, and from the upper surface of the flange 5 A connection receiving portion 6 is provided that rises upward and has a shape in which the inner side surface corresponds to the outer side surface of the connection tube portion 2.
In addition, an outer peripheral flange 14 protruding outward and a through hole 16 at a position corresponding to the screw hole 15 of the wash bowl S are provided at the upper end of the connection receiving portion 6. Become. The inner diameter of the connection receiving portion 6 is slightly larger than the outer diameter of the connection tube portion 2.
In addition, since the water stop surface 13 expands in diameter, the inner diameter of the upper end portion of the water stop surface 13 is slightly larger than the inner diameter of the drain port 1. In addition, an overflow connection portion 8 is provided on the side surface of the drain plug body 3 to guide the overflow drainage flowing from the overflow drain port 12a on the upper side surface of the tank body to the drain plug body 3 side.
In particular, in the second embodiment, the overflow connection portion 8 is formed by combining the upper portion of the overflow connection portion 8 with a part of the flange portion 5 as shown in FIG.
The annular packing 7 is a ring-shaped member made of an elastic material such as a rubber material, and is accommodated in a space formed from the inside of the step portion 2b provided at the lower end of the outer periphery of the connecting tube portion 2, and is disposed in the step portion 2b. In this state, the outer periphery of the annular packing 7 is formed to have a size slightly larger than the inner peripheral surface of the connection receiving portion 6.
The screw member 10 is a member having a male screw for fixing the drain plug main body 3 to the wash bowl S, and the screw member 10 and the screw hole portion form a fixing portion.
The valve member 9 is a member that moves up and down in the drain port 1 and the drain plug body 3, and is suspended from a disc-shaped valve body 9a, a valve shaft 9b hanging from the center of the valve body 9a, and a lower surface of the valve body 9a, The valve packing 9c is configured to be in watertight contact with the water stop surface 13 when the valve member 9 is lowered.
The remote-operated drain plug device includes an operation unit 17, an operation unit 18, and a release wire 19 described below.
The operation part 17 is a member arranged and fixed in the vicinity of the periphery of the opening 4 of the wash bowl S, and is a member for operating the raising and lowering of the valve member 9 by an operation by the user.
The operation unit 18 is a member disposed and fixed in the drain plug main body 3, and an operation axis provided corresponding to an operation applied to the operation unit 17 moves up and down. When the operating shaft rises, the tip of the operating shaft comes into contact with the lower end of the valve shaft 9b of the valve member 9 to push up the valve member 9.
The release wire 19 is a member that communicates between the operation unit 18 and the operation unit 17 and transmits an operation applied to the operation unit 17 to the operation unit 18.
The drainage trap pipe 11 is a member that creates a drainage pool called sealed water inside by bending the pipe body into a substantially S shape, and prevents odor from sewage and the backflow of harmful insects to the indoor side. The drain trap pipe 11 is connected to the lower end of the drain plug main body 3, and has a branch pipe part 20 that is substantially cylindrical and communicates with the inside of the drain trap pipe 11 in the vicinity of the upstream end.

Each member of the drainage pipe configured as described above is applied to the wash bowl S which is a tank body as follows.
First, the operation unit 17 of the remote-operated drain plug device is disposed and fixed near the periphery of the opening above the wash bowl S, and a release wire 19 is connected to the operation unit 17.
Next, after the annular packing 7 is fitted in the step 2b at the lower end of the connecting cylinder portion 2 (there is no support below the annular packing 7, the annular packing 7 contracts due to its own elasticity. The drain plug body 3 is attached to the annular packing 7 in which the inner peripheral surface of the connection receiving portion 6 is fitted into the step portion 2b. While being in contact, that is, while connecting the connecting tube portion 2 with the connection receiving portion 6, it is inserted. From this state, the screw member 10 is screwed into the screw hole 15 through the through hole 16 so that the positions of the through hole 16 and the screw hole 15 are matched, and the wash bowl S and the drain plug body 3 are fixed. .
Next, the overflow pipe 12 is connected to the overflow connection portion 8 of the drain plug body 3.
Furthermore, after fixing the operating part 18 of the remote-controlled drain plug device to the drain plug body 3, the release wire 19 is inserted into the branch pipe part 20 of the drain trap pipe 11, and the release wire 19 is connected to the operating part 18. .
From this state, the drain trap pipe 11 is connected to the lower end portion of the drain plug main body 3, and the lower end of the drain trap pipe 11 is connected to the underfloor pipe that is the sewage side pipe.
Further, the end portion of the branch pipe portion 20 is closed in a watertight manner with the release wire 19 inserted, and the valve member 9 is disposed in the drain plug body 3 from the drain port 1 to provide a remotely operated drain plug device. The piping construction to the wash bowl S that is the tank body is completed.

  The wash bowl S constructed as described above can be used in the same manner as the wash bowl S of the first embodiment described in paragraph 0021.

In the piping structure of the wash bowl S of the second embodiment, as in the second conventional example,
There are no irregularities or grooves around the drain port 1 and the design and cleaning properties are excellent.
Further, the annular packing 7 is disposed in a space formed by the step portion 2b, the connection receiving portion 6, and the flange portion 5 material, and contacts the connection cylinder portion 2 (the side surface of the step portion 2b) and the side surface of the connection receiving portion 6 from the side surface. It touches. The strength of the stress for making this contact is determined by the outer diameter of the connecting tube portion 2 (side surface of the stepped portion 2b) and the inner diameter of the connection receiving portion 6. The tightening torque of the screw member 10 is It is decided regardless. That is, as long as the dimensional accuracy of each member is managed properly, the connection receiving portion 6 covers the connection cylinder portion 2 and only fits between the annular packing 7 and the drain plug body 3 and the wash bowl S. Sufficient stress is generated to stop water, and the necessary water stopping performance is exhibited. The tightening strength of the screw member 10 may be tightened with a tightening torque that does not cause the drain plug body 3 and other piping members to fall off the wash bowl S, and it is necessary to perform a more precise torque control as in the first conventional example. This eliminates the labor of construction workers.
Further, since the stress of contact acting on the annular packing 7 is not weakened by the bending of the resin material, the screw member 10 can be arranged at a free position regardless of the annular packing 7.
Furthermore, in the said 2nd Example, since the joint of the wash bowl S and the drain plug main body 3 is under the annular packing 7, even if waste_water | drain enters from a joint, the drain plug main body 3 is directly from a discharge port by gravity. Because it flows down, drainage does not collect between the joints. For this reason, unlike the 2nd prior art example, the waste water which entered into the joint and the gap does not rot and breed germs or generate a strange odor. Further, in the second embodiment, by providing the step portion 2b at the lower end portion of the connection cylinder portion 2, the connection receiving portion 6 becomes an obstacle to the configuration of the step portion 2b, as in the second conventional example, It is no longer necessary to take measures by deteriorating member accuracy or increasing costs. In particular, in the method of forming the step 2b at the lower end, the mold can be moved from the lower end of the wash bowl S in the direction along the central axis of the drain port 1 or the processing tool can be operated, so that workability is improved. Improved, and the degree of freedom of design has also improved.
In the second embodiment, the remote control type drain plug device having the valve body 9a that contacts the flange portion 5 of the drain plug body 3 and closes the opening above the drain plug body 3 is provided. The valve body 9a of the operation-type drain plug device is configured not to be a wash bowl S, which is difficult to obtain the dimensional accuracy of the large member, but to contact the drain plug body 3 which is easy to obtain the dimensional accuracy of the small member to prevent drainage from flowing out. It was possible to improve the water stop performance.
Further, in the second embodiment, the overflow connection portion 8 is formed by using the upper portion of the overflow connection portion 8 as a part of the flange portion 5 as shown in FIG. Compared with the case where the upper part of the overflow connection part 8 is not used as a part of the flange part 5 and is configured independently as in the drain plug body 3 of one embodiment, the thickness of the flange part 5 (or the overflow connection part) The thickness of the upper surface of the drain plug main body 3 can be reduced by the gap between the lower surface of the flange portion 5 and the upper surface of the overflow connection portion 8.

Next, a third embodiment of the present invention will be described with reference to the drawings.
The piping structure of the tank body of the third embodiment of the present invention shown in FIG. 9 shows the piping structure of a wash basin equipped with a wash bowl S that is a tank body and a drain pipe for treating the drainage of the wash bowl S. And
It is composed of a wash bowl S that is a tank body of a drainage device, a drain plug body 3, an annular packing 7, a screw member 10, a remote-operated drain plug device including a valve member 9, a drain trap pipe 11, and the like. . Of these, members other than the wash bowl S described below are the same as the members of the second embodiment described in paragraph 0023 above.
The wash bowl S is a substantially box-shaped tank made of artificial marble that is disposed above the wash basin and has an upper opening. The wash bowl S has a drain port 1 on its bottom surface, and a lower side from the periphery of the drain port 1. A cylindrical connecting tube portion 2 is provided toward the surface. In addition, an inclined surface 2c that decreases inwardly from the upper side toward the lower end for positioning the annular packing 7 is provided along the circumference at the lower end portion of the outer periphery of the connecting tube portion 2. Further, a screw hole portion 15 that is screwed into the screw member 10 is provided on the bottom surface of the outer portion of the connection receiving portion 6.
In addition, an overflow drain 12a is provided near the upper side of the side surface of the wash bowl S, and an overflow pipe 12 for treating drainage from the overflow drain 12a is provided.

Each member of the drainage pipe configured as described above is applied to the wash bowl S which is a tank body as follows.
First, the operation unit 17 of the remote-operated drain plug device is disposed and fixed near the periphery of the opening above the wash bowl S, and a release wire 19 is connected to the operation unit 17.
Next, after placing on the lower end of the inner peripheral surface of the connection receiving portion 6, that is, on the flange portion 5 and arranging the annular packing 7 in the connection receiving portion 6 so as to contact the inner side surface of the connection receiving portion 6. The drain plug main body 3 is fitted while the inner peripheral surface of the connection receiving portion 6 is in contact with the annular packing 7 fitted in the stepped portion 2 b, that is, while the connection receiving portion 6 covers the connection cylinder portion 2. . Then, the inclined surface 2c functions as a guide, guides the annular packing 7 to the space formed between the inclined surface 2c, the connection receiving portion 6, and the flange portion 5, and the inner side surface side of the annular packing 7 on the inclined surface 2c. However, the inner side surface of the connection receiving portion 6 is sandwiched between the outer side surface side and the water tightness is secured at the side surface portion. From this state, the screw member 10 is screwed into the screw hole 15 through the through hole 16 so that the positions of the through hole 16 and the screw hole 15 are matched, and the wash bowl S and the drain plug body 3 are fixed. .
Next, the overflow pipe 12 is connected to the overflow connection portion 8 of the drain plug body 3.
Furthermore, after fixing the operating part 18 of the remote-controlled drain plug device to the drain plug body 3, the release wire 19 is inserted into the branch pipe part 20 of the drain trap pipe 11, and the release wire 19 is connected to the operating part 18. .
From this state, the drain trap pipe 11 is connected to the lower end portion of the drain plug main body 3, and the lower end of the drain trap pipe 11 is connected to the underfloor pipe that is the sewage side pipe.
Further, the end portion of the branch pipe portion 20 is closed in a watertight manner with the release wire 19 inserted, and the valve member 9 is disposed in the drain plug body 3 from the drain port 1 to provide a remotely operated drain plug device. The piping construction to the wash bowl S that is the tank body is completed.

  The wash bowl S constructed as described above can be used in the same manner as the wash bowl S of the first embodiment described in paragraph 0021.

  The inclined surface 2c of the piping structure of the wash bowl S of the third embodiment performs the same function as the step 2b of the second embodiment described in paragraph 0026 when the construction is completed. For this reason, the piping structure of the wash bowl S of the third embodiment has the same effect as the second embodiment described in paragraph 0026.

The embodiments of the present invention are as described above, but the present invention is not limited to the above-described embodiments, and can be freely changed without departing from the scope of the present invention.
For example, in the above embodiment, the tank body provided with the drain pipe is the wash bowl S of the washstand. However, the present invention is not limited to the above embodiment, and the sink of the sink, the waterproof pan of the bathroom, or the bathtub Of course, it does not matter if it is used for other tanks.

DESCRIPTION OF SYMBOLS 1 Drain port 2 Connection cylinder part 2a Annular groove part 2b Step part 2c Inclined surface 3 Drain plug main body 4 Opening part 5 Flange part 6 Connection receiving part 7 Annular packing 8 Overflow connection part 9 Valve member 9a Valve body 9b Valve shaft 9c Valve packing 10 Screw member 11 Drain trap pipe 12 Overflow pipe 12a Overflow drain port 13 Water stop surface 14 Outer peripheral flange 15 Screw hole part 16 Through hole 17 Operation part 18 Operation part 19 Release wire 20 Branch pipe part S Washing bowl

Claims (5)

A tank body provided with a drainage port 1 on the bottom surface and a tubular connecting tube part 2 provided downward from the periphery of the drainage port 1;
It has a substantially cylindrical shape and is provided with an opening 4 through which drainage flows upward. Further, a flange portion 5 is provided on the outer side surface of the upper portion so as to protrude along the peripheral edge. A drain plug body 3 provided with a connection receiving portion 6 whose inner side surface has a shape corresponding to the outer side surface of the connection cylinder portion 2,
An annular packing 7 disposed between the outer side surface of the connection tube portion 2 and the inner side surface of the connection receiving portion 6 and in watertight contact with the outer side surface of the connection tube portion 2 and the inner side surface of the connection receiving portion 6;
A fixing portion for fixing and connecting the tank body and the drain plug main body 3 at a further outer portion of the connection receiving portion 6;
The piping structure of the tank body, characterized by comprising   The piping structure for a tank body according to claim 1, wherein an annular groove portion (2a) into which the annular packing (7) is fitted is provided on the outer side surface of the connecting tube portion (2). While arrange | positioning the annular packing 7 on the flange part 5 upper surface of the drain plug main body 3,
2. The tank body according to claim 1, further comprising a stepped portion 2 b or an inclined surface 2 c that prevents a displacement of the annular packing 7 at a contact portion of the connecting cylinder portion 2 with the annular packing 7. Piping structure. In the drainage pipe of the tank body,
A remote-operated drain plug device having a disc-like valve body 9a that abuts on the opening 4 above the drain plug body 3 and closes the opening 4 is provided. Item 4. The tank piping structure according to any one of Items 3 above. A cylindrical overflow connection 8 is provided on the side of the drain plug,
The upper part of the overflow connecting part 8 is also used as a part of the flange part 5,
The drainage pipe of the tank body according to any one of claims 1 to 4.

Images