JP6682066B2 - Drainage device - Google Patents

Description

  The present invention relates to a drainage device that drains drainage generated on a bathtub or a waterproof pan to the downstream side.

The drainage device described in Patent Document 1 has a structure in which drainage generated on a bathtub or a waterproof pan is discharged to the downstream side via a drainer (drainage device main body). The bathtub is a substantially box-shaped tank body, and a drain plug is attached to the bottom to form a drain port, and a valve body (valve member) is arranged in the drain port. One end of the release wire is connected to the valve body, and the valve body moves up and down by transmitting the operation of the operation unit connected to the other end of the release wire, so that the drainage port can be opened and closed.
The drainage device has a drainage opening (opening) on the upper surface through which the drainage generated in the bathtub or the waterproof pan flows, and the drainage opening is covered by the lid.
The lid (cover member) has an inflow port (connection port) through which the drainage from the bathtub flows, and an insertion pipe through which the release wire is inserted. A guide tube, which is a hollow tube body, is connected to the insertion tube, and a release wire is introduced by the insertion tube through the guide tube, and one end of the release wire is connected to the valve body.

The drainage device described in Patent Document 1 is constructed as follows.
First, the operation part is attached and fixed to the upper edge of the bathtub, the drain plug is attached to the bottom of the bathtub, and the drain is attached to the opening of the waterproof pan. Next, after attaching the lid to the opening of the drain, the bathtub is placed on the waterproof pan. Then, the guide tube is attached to the insertion tube, and the end portion of the release wire on the valve body side is inserted into the insertion tube through the guide tube to connect with the valve body.

JP 2012-102576 A

When the release wire is inserted into the lid portion of the drainage device, the drainage device must work in a narrow space below the bathtub. Therefore, the drainage device described in Patent Document 1 improves the workability by providing an insertion tube in the lid portion, but the lid portion changes the orientation of the insertion tube according to circumstances such as the position where the operation portion is attached. It is necessary to adjust and arrange. Further, since the drainage device described in Patent Document 1 is constructed by the above procedure, the orientation of the insertion tube is fixed before the release wire is inserted into the lid portion. Therefore, when inserting the release wire, if the direction of the release wire and the direction of the insertion tube are different, the construction will be difficult and the release wire may be excessively bent and damaged. It was necessary to adjust the angle of the part. Further, in the drainage device described in Patent Document 1, since the inflow port is opened at a position different from the center of the lid part, if the lid part is rotated and attached, the inflow port may not match the drainage port of the bathtub. .
In addition, as another structure, there is a structure in which an operator appropriately forms a hole on the lid portion on the spot according to circumstances such as a position where the operation portion is attached, inserts a release wire, and fixes it with a rubber bush. Are known. However, in this structure, there is a problem that it is necessary to work in a narrow space below the bathtub, a step of forming a hole by an operator is required, and a guide tube cannot be attached.

  In view of the above problems, it is an object of the present invention to provide a drainage device in which the release wire can be easily attached regardless of circumstances such as the position where the operation unit is attached.

The present invention according to claim 1 for solving the above-mentioned problems, comprises a bathtub having a drainage port formed at the bottom thereof,
A waterproof pan on which a bathtub is placed, a valve body that opens and closes a drain port,
A release wire that opens and closes the drain by transmitting the operation of the operation unit,
A drainage device having a drainage opening into which the drainage generated in the bathtub flows,
A drainage device comprising a lid portion that covers the drainage opening,
The lid has an inlet through which the drainage from the bathtub flows,
Has two or more mounting holes,
In the drainage device, a release wire is inserted into an arbitrary mounting hole, and a check valve for preventing drainage in a drainage device from flowing backward on a waterproof pan is arranged in another mounting hole.

The present invention according to claim 2 is a bathtub having a drain port formed in a bottom portion,
A waterproof pan with a bathtub on it,
A valve body that opens and closes the drainage port,
A release wire that opens and closes the drain by transmitting the operation of the operation unit,
A drainage device having a drainage opening into which the drainage generated on the bathtub and the waterproof pan flows,
A drainage device comprising a lid portion that covers the drainage opening,
The lid has an inflow port for drainage from the bathtub,
Has two or more mounting holes,
A substantially L-shaped release guide that is placed in the lid at an arbitrary angle in plan view to introduce the release wire into the lid is placed in any mounting hole, and the drainage in the drain is waterproofed in the other mounting holes. The drainage device is characterized in that a check valve for preventing backflow is arranged on the pan.

  The present invention according to claim 3 is the drainage device according to claim 2, wherein the release guide is rotatably arranged with respect to the lid portion.

In the present invention according to claim 4, when one or more of the mounting holes are not used,
The drainage device according to any one of claims 1 to 3, further comprising a plug member that closes the unused mounting hole.

According to a fifth aspect of the present invention, the lid portion is rotatably attached in plan view,
The drainage device according to any one of claims 1 to 4 , wherein the center of the inflow port is at a position different from the center of the lid portion.

According to the first aspect of the present invention, by providing two or more mounting holes in the lid portion, the worker can attach the release wire to any mounting hole according to circumstances such as the position where the operating portion is mounted. The workability can be improved by inserting it. Further, by providing a check valve in the other mounting holes, it becomes possible to prevent the backflow of drainage.
According to the present invention described in claim 2, by providing two or more mounting holes in the lid, as the case of the position or the like of the operation unit is attached, the operator release the wire at any of the attachment hole The workability can be improved by inserting it. Further, by providing a check valve in the other mounting holes, it becomes possible to prevent the backflow of drainage. In addition, by providing the release guide arranged on the lid at an arbitrary angle in plan view, the operator can adjust the direction of the release guide as appropriate according to the circumstances such as the position where the operation unit is attached, thereby further improving workability. improves.
According to the present invention described in claim 3 , since the release guide is rotatable, the workability is further improved.
According to the fourth aspect of the present invention, it is possible to prevent the backflow of the drainage by closing the unused mounting hole with the plug member.
Further, according to the present invention described in claims 1 to 4 , the lid is rotatable as in the drainage device according to claim 5 , but when the lid is rotated, Improves workability especially when adopted in a drainage device where the inflow port may not match the drainage port of the bathtub.

It is sectional drawing which shows an example of the construction state of this invention. It is sectional drawing which shows a drainer. It is an exploded perspective view showing composition of a drainer and a lid. It is a perspective view showing an example of arrangement of a release guide and a check valve. It is a perspective view showing other examples of arrangement of a release guide and a check valve. It is sectional drawing which shows an operation part. It is a reference drawing which shows the structure of the bathroom to which this invention is applied. It is a top view which shows a drain trap. It is sectional drawing which shows an example of the construction state of 2nd embodiment. It is a perspective view showing an example of arrangement of a release guide and a check valve. It is an exploded perspective view showing composition of a drainage device and a lid part of a third embodiment.

  Hereinafter, the drainage pipe of the present invention will be described with reference to the drawings. The following description is for facilitating the understanding of the embodiments, and the invention is not limited to the understanding. Further, in the following embodiments, the up, down, left and right will be described with reference to the state shown in FIG.

  The drainage device of the present invention is used in a bathroom BR having a washing area W and a bathtub 1 as shown in FIG. The bathroom BR is roughly divided into a waterproof pan, a bathtub 1, a drain trap 10 and a drain plug device 40. The drain trap 10 is arranged below the waterproof pan and the bath 1 is arranged above the waterproof pan. Has been done.

The waterproof pan is plate-shaped and is composed of a bathtub pan PB on which the bathtub 1 is placed, and a washbasin pan PW forming the floor surface of the washbasin W.
The bathtub pan PB is a waterproof pan on the bathtub 1 side and has an opening to which a drainer 11 for discharging the drainage generated on the bathtub 1 and the bathtub pan PB is attached.
The washing place pan PW is a waterproof pan on the washing place side provided with a shower and a water spout, and a trap body 30 for discharging the waste water generated on the washing place pan PW is attached.

The bathtub 1 is a tank body capable of storing water and the like inside, and an operation portion 50 of a drain plug device 40 is attached to an edge portion 3 extending from an upper edge in a substantially horizontal direction. Further, the bathtub 1 has a drain port 2a opened at the bottom, and a drain plug 4 is connected to the drain port 2a.
The drain plug 4 has a collar portion provided at the upper end and a tubular portion extending from the lower portion of the collar portion. The collar portion abuts the drainage port 2a peripheral edge and a male screw portion formed in the tubular portion. Is threadedly engaged with the female screw portion of the nut 5 arranged on the back surface of the bathtub 1. Further, the drain plug 4 forms a drain flow path inside, and a wire receiver 6 is attached inside the tubular portion, and the valve shaft 44 of the release wire 41 is fixed to the wire receiver 6.
The nut 5 has flanges at the upper and lower ends, and is screwed with the male screw portion of the drain plug 4 by a female screw portion formed on the inner circumference. The upper end flange portion is in contact with the back surface of the bathtub 1, and the upper end flange portion and the drain plug 4 flange portion hold the peripheral edge of the drainage port 2 a of the bathtub 1. A bellows packing 7 is fitted on the lower end flange portion.
The bellows packing 7 has a bellows portion in the middle thereof, and the lower end thereof is inserted into the inflow port 15 of the lid portion 14 described later.

  The drain trap 10 includes a drain 11, a lid 14, and a trap body 30.

The drainer 11 is attached to the opening of the bathtub pan PB by a flange member 8a, and a drainage opening 12 and a branch pipe outlet 13 are formed.
The drainage opening 12 is formed by opening the drainer 11 from above, is circular in plan view, and has a female screw portion formed on the inner periphery thereof. Further, the drainage opening 12 is screwed with the male screw portion of the flange member 8a, so that the flange portion of the flange member 8a and the flange portion on the outer periphery of the drainage opening 12 sandwich the opening peripheral edge of the bath pan PB. Further, the drainage opening 12 is covered by the lid portion 14.
The branch pipe discharge port 13 is a flow path extending from the bottom surface of the drainage device 11 in a substantially horizontal direction, and discharges the drainage flowing into the drainage device 11 to the branch pipe inlet port 32 of the trap body 30.

The lid portion 14 is a lid member that is attached to the flange member 8a and covers the drainage opening 12. The lid portion 14 is substantially circular in a plan view, and packing is fitted around the outer periphery thereof, and as shown in FIG. The mounting holes 16a and 16b are open. The outer diameter of the packing is substantially the same as the inner diameter of the flange member 8a, and the outer periphery of the lid portion 14 and the flange member 8a are watertight. The lid 14 is rotatably attached to the drainage opening 12 (flange member 8a) in plan view.
The lower end of the bellows packing 7 is inserted into the inflow port 15, and the drainage of the bathtub 1 flows in through the bellows packing 7. Further, since the center of the inflow port 15 is at a position different from the centers of the lid part 14, the drainage opening 12, and the flange member 8a, the position of the inflow port 15 changes when the lid part 14 is rotated.
The mounting holes 16a and 16b are circular openings in the plan view having the same shape, and are provided at positions facing each other with the inflow port 15 in between. As shown in FIG. 4, the release guide 20 is arranged in the mounting hole 16a, and the release wire 41 introduced by the release guide 20 is inserted therein. On the other hand, the check valve 21 is arranged in the mounting hole 16b. In the following description, the term "mounting hole 16" is used when referring to the mounting hole itself.

  Here, in FIG. 4, the release guide 20 is mounted in the mounting hole 16a and the check valve 21 is mounted in the mounting hole 16b, but the mounting hole 16a and the mounting hole 16b have the same shape. Therefore, as shown in FIG. 5, the release guide 20 may be attached to the attachment hole 16b and the check valve 21 may be attached to the attachment hole 16a. The operator attaches the release guide 20 to the release wire 41 according to the situation of the site. It is possible to select the mounting hole 16 for inserting the.

The release guide 20 is a bent tube made of a soft material such as rubber or silicon and bent into an L-shape in cross section, and a release wire 41 is inserted therein. One end of the release guide 20 is rotatably inserted into the mounting hole 16a in plan view, and the other end of the release guide 20 is inserted into the guide tube 45 in the construction state shown in FIG. 1 or 2. There is. Here, since the release guide 20 is made of a soft material, the guide tube 45, the release guide 20, and the mounting hole 16a are watertightly connected.
The check valve 21 is a valve member that allows drainage from the upstream side to pass therethrough, but prevents reverse flow of drainage from the downstream side. As shown in FIG. 3, the check valve 21 includes a shaft 22 and a float 23 and is inserted into the mounting hole 16b. ing. The shaft 22 is provided in the vertical direction at the center of the check valve 21, and guides the vertical movement of the float 23. The float 23 has a circular shape in plan view and is made of a material having a specific gravity smaller than 1, and is inserted into the shaft 22. The float 23 floats when a backflow from the drainage device 11 occurs, and by closing the opening provided on the top surface of the check valve 21, the drainage inside the drainage device 11 is prevented from flowing back onto the bath pan PB. prevent.

The trap body 30 is attached to the drainage port 2b formed at the bottom of the washing place pan PW by the flange member 8b, the bowl portion 31, the branch pipe inlet 32, and the discharge port 33 are formed, and the deodorant cylinder 34 is inserted from above. Has been done.
The trap body 30 is open at the upper side and has a female screw portion formed on the inner periphery thereof, and by being screwed with the male screw portion of the flange member 8b, the periphery of the drain port 2b of the washing place pan PW is held. The drain port 2b is arranged at the lowest position of the washing place pan PW, and all the drainage generated on the washing place pan PW flows into the trap body 30 from the drain port 2b.
The bowl portion 31 is formed by a tubular wall portion raised from the bottom surface of the trap body 30, and can store a part of drainage therein.
The branch pipe inlet 32 is formed in a substantially horizontal direction from the bottom surface of the bowl 31 toward the outside of the trap body 30, and the branch pipe outlet 13 of the drainer 11 is adhered thereto. Therefore, the trap body 30 and the drainer 11 communicate with each other via the branch pipe inlet 32, and share the drainage stored inside.
The discharge port 33 is an opening for discharging the drainage overflowing from the bowl 31 to the downstream pipe, and the downstream pipe is connected to the outlet 33.
The deodorant cylinder 34 is a substantially tubular body having a flange portion on the upper portion, the flange portion is engaged with the flange member 8b, and the lower end thereof is arranged in the bowl portion 31.

The drain plug device 40 includes a release wire 41, a guide tube 45, an operating section 50, and a valve body 54.
As shown in FIG. 6, the release wire 41 is composed of an inner wire 42 and an outer tube 43, has rigidity in the axial direction and flexibility in the side direction, and one end of the release wire 41 is connected to the operation portion 50 and the other. A valve shaft 44 is provided at the end. The inner wire 42 is a stranded wire formed by winding a metal into a coil, and is slidable inside a hollow outer tube 43 made of synthetic resin. The valve shaft 44 is fixed to the wire receiver 6 and has an end engaged with the valve body 54. When the inner wire 42 projects toward the valve body 54, the valve body 54 is pushed up and lifted up. When 42 is retracted to the operation portion 50 side, the valve body 54 is pulled down and lowered.
The guide tube 45 is a hollow tube body having one end attached to the operation section 50 and the other end attached to the release guide 20, and the release wire 41 is inserted therein.
The operation portion 50 is fixed to the edge portion 3 of the bathtub 1, the button member 52 and the lock mechanism 53 are arranged inside the casing 51, and the guide tube 45 is attached to the lower end. The button member 52 is a portion that is pushed by the user, and is exposed from the edge portion 3 into the bathroom BR. The back surface of the button member 52 is engaged with the lock mechanism 53, and the pushing operation by the user is transmitted to the lock mechanism 53. The lock mechanism 53 is connected to the button member 52 at the upper end and the release wire 41 at the lower end, respectively, and the engagement of the gear arranged inside causes the inner wire 42 to project / retract for each pushing operation of the button member 52. Can hold position.
As shown in FIG. 2, the valve body 54 is a lid body around which packing is fitted, and the valve shaft 44 is engaged on the back surface. The valve body 54 moves up and down based on the pushing operation of the operating portion 50, and when the packing is in contact with the drain plug 4 when it descends, the continuous drainage flow path from the drainage port 2a of the bathtub 1 is blocked, and when the packing rises, the packing is By separating from the drain plug 4, a continuous drain flow path is opened from the drain port 2a.

  The construction of the drainage device will be described below.

First, in a factory or the like, the branch pipe outlet 13 of the drainer 11 and the branch pipe inlet 32 of the trap body 30 are bonded.
Next, in the field, the flange member 8a and the drainage device 11 are screwed to each other, the drainage device 11 is screwed to the opening of the bathtub pan PB, and the flange member 8b and the trap body 30 are screwed to each other, and the trap body is connected to the drainage port 2b of the washing place pan PW. Attach 30. Further, the lid portion 14 is fitted to the flange member 8 a to cover the drainage opening 12 of the drainage device 11. At this time, when placing the bathtub, the lid portion 14 is rotated and the direction thereof is adjusted so that the bellows packing 7 attached to the bathtub 1 described later matches the inflow port 15. Since the inflow port 15 is not located at the center of rotation of the lid portion 14, it is necessary to adjust the direction of the lid portion 14 as described above. However, when the direction of the lid portion 14 is determined in this way, it is inevitably attached. The directions and positions of the holes 16a and the mounting holes 16b will also be determined.
Next, the release guide 20 is inserted into one of the mounting holes 16 and the check valve 21 is inserted into the other mounting hole 16 to be mounted.
Here, the operator appropriately selects an arbitrary mounting hole 16 through which the release guide 20 is inserted on the spot. More specifically with reference to FIGS. 7 and 8, since the directions of the mounting holes 16a and the mounting holes 16b are determined as described above, when the operation portion 50 is arranged on the R side of the edge portion 3 in accordance with it. The release guide 20 is arranged in the mounting hole 16a, and the check valve 21 is arranged in the mounting hole 16b. On the other hand, when the operation portion 50 is arranged on the L side of the edge portion 3, the release guide 20 is arranged in the mounting hole 16b and the check valve 21 is arranged in the mounting hole 16a.
Next, the bathtub 1 in which the drain plug 4, the nut 5, and the bellows packing 7 are attached to the drain port 2a and the casing 51 of the operating portion 50 is attached to the edge portion 3 is placed on the bath pan. At this time, the lower end of the bellows packing 7 is inserted into the inflow port 15, and all the drainage in the bathtub 1 flows into the drainer 11 from the inflow port 15.
Next, one end of the guide tube 45 is attached to the lower end of the casing 51, and the other end is attached to the release guide 20. At this time, since the release guide 20 is rotatably attached to the lid portion 14, the angle of the release guide 20 is adjusted, and the release guide 20 is arranged in a direction in which the guide tube 45 is easily attached, and then the guide tube. 45 can be attached.
Then, the release wire 41 and the lock mechanism 53 are inserted from above the casing 51 to fix the valve shaft 44 to the wire receiver 6. At this time, the release wire 41 inserted from above the casing 51 is introduced into the lid portion 14 by the guide tube 45 and the release guide 20.
Finally, the valve body 54 is engaged with the valve shaft 44, and the button member 52 is engaged with the end portion of the lock mechanism 53 to complete the construction.

Although the first embodiment of the present invention has been described above, according to the present invention, the lid portion 14 has the mounting holes 16a and 16b, and the mounting hole 16 for the worker to dispose the release guide 20 on site. It can be appropriately selected. Therefore, the release wire 41 can be easily attached regardless of the position where the operation unit 50 is attached. Further, when the release guide 20 is arranged in any mounting hole 16, by disposing the check valve 21 in the other mounting hole 16, it is possible to prevent backflow from the drainer 11 onto the bath pan PB.
Further, in the present invention, since the release guide 20 having a substantially L-shape is rotatably attached to the attachment hole 16 in a plan view, the release guide 41 is appropriately oriented so that the release wire 41 can be easily installed. The release wire 41 can be adjusted, the workability is further improved, and the release wire 41 can be prevented from being excessively bent.

Here, the present invention is not limited to the shape described in the above first embodiment, and can be appropriately changed without departing from the gist of the invention. For example, in the first embodiment, the guide tube 45 is attached to the end portion of the release guide 20, but the rubber bush is attached to the end portion of the release guide 20 as in the second embodiment shown in FIGS. 9 and 10. The structure may be such that 60 is attached and the release wire 41 is fixed. Also in this case, since the release guide 20 is rotatably attached, the direction of the release guide 20 is appropriately adjusted in a direction in which the release wire 41 can be easily installed, and the release wire 41 is introduced into the lid portion 14. Is possible and the workability is further improved.
Further, without providing the release guide 20, a rubber bush may be arranged in any mounting hole 16 and the release wire 41 may be inserted into the mounting hole 16.

  Further, as in the third embodiment shown in FIG. 11, three or more mounting holes 16 may be provided such as mounting holes 16c so that the operator can select any mounting hole 16. In this case, a plug member 70 for closing the unused mounting hole 16 may be provided.

Further, although the release guide 20 is rotatably inserted in the mounting hole 16a in a plan view, the tilt of the release guide 20 is also adjusted in the vertical direction by moving the end of the release guide 20 in the vertical direction. It may be possible to do so.
It is also possible that the end portions of the release guide 20 are provided with irregularities for adjusting the angle so that the direction of the release guide 20 can be adjusted for each arbitrary angle in plan view.

DESCRIPTION OF SYMBOLS 1 Bathtub 2a, 2b Drain port 3 Edge part 4 Drain plug 5 Nut 6 Wire receiver 7 Bellows packing 8a, 8b Flange member 10 Drain trap 11 Drainer 12 Drain opening 13 Branch pipe outlet 14 Lid part 15 Inlet 16a, 16b, 16c mounting hole 20 release guide 21 check valve 22 shaft 23 float 30 trap body 31 bowl 32 branch pipe inlet 33 discharge port 34 deodorant cylinder 40 drain plug device 41 release wire 42 inner wire 43 outer tube 44 valve shaft 45 guide tube 50 Operation part 51 Casing 52 Button member 53 Lock mechanism 54 Valve body 60 Rubber bush 70 Plug member BR Bathroom W Washing place PB Bathtub pan PW Washing place pan

Claims (5)

A bathtub with a drainage port formed on the bottom,
A waterproof pan with a bathtub on it,
A valve body that opens and closes the drainage port,
A release wire that opens and closes the drain by transmitting the operation of the operation unit,
A drainage device having a drainage opening into which the drainage generated in the bathtub flows,
A drainage device comprising a lid portion that covers the drainage opening,
The lid has an inlet through which the drainage from the bathtub flows,
Has two or more mounting holes,
A drainage device, wherein a release wire is inserted into an arbitrary mounting hole, and a check valve for preventing drainage in a drainage device from flowing back onto a waterproof pan is arranged in another mounting hole. A bathtub with a drainage port formed on the bottom,
A waterproof pan with a bathtub on it,
A valve body that opens and closes the drainage port,
A release wire that opens and closes the drain by transmitting the operation of the operation unit,
A drainage device having a drainage opening into which the drainage generated on the bathtub and the waterproof pan flows,
A drainage device comprising a lid portion that covers the drainage opening,
The lid has an inflow port for drainage from the bathtub,
Has two or more mounting holes,
A substantially L-shaped release guide that is placed in the lid at an arbitrary angle in plan view to introduce the release wire into the lid is placed in any mounting hole, and the drainage in the drain is waterproofed in the other mounting holes. A drainage device characterized in that a check valve is arranged on the pan to prevent backflow. The drainage device according to claim 2, wherein the release guide is rotatably arranged with respect to the lid portion. If one or more of the mounting holes are not used,
The drainage device according to any one of claims 1 to 3, further comprising a plug member that closes the unused mounting hole. The lid is rotatably attached in a plan view,
The drainage device according to any one of claims 1 to 4 , wherein the center of the inflow port is at a position different from the center of the lid portion.

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