JP6103188B2 - Bathtub drain plug device - Google Patents

Description

  The present invention relates to a drain plug device for a bathtub that opens and closes the drain plug of the bathtub by remote control.

  Remotely-operated drain plug devices are mainly used to transmit force from the operation unit to the drain plug with a release wire. This drain plug device employs a structure in which the periphery of the release wire is covered with a protective tube so that the release wire is not damaged (Patent Document 1). When installing the operation part of the drain plug on the flange of the bathtub, there is no problem with the structure of the protective tube reaching from the drain pipe to the operation part, but the operation part is positioned lower than the overflow surface (upper surface of the flange) of the bathtub When installed on the outer surface of a bathtub or on a bathroom counter, for example, if a protective tube is connected to the operation section, water that flows backward from the drain pipe may drain from the operation section when the bathtub is drained. .

JP 2010-156180 A

  Therefore, the present invention has an object to allow the operation part of the remote-controlled drain plug to be installed at a position lower than the overflow surface of the bathtub without causing water leakage from the end part of the release tube protective tube on the operation part side. And

In order to solve the above-described problem, according to claim 1, a drain plug that opens and closes a drain port of a bathtub, an operation unit that remotely controls opening and closing of the drain plug, and the operation of the operation unit to the drain plug A release wire for transmission, and a protective tube connected to a drain pipe connected to a lower portion of the drain port, and having a hollow portion through which the release wire is inserted, and the operation unit includes an overflow surface of the bathtub A water-stop member that is disposed at a lower position than the drain tube, and that allows the release wire to be inserted into the end of the protective tube opposite to the drain tube, and stops water that has flowed into the protective tube from the drain tube. The operation portion is installed in a bathtub apron that covers the washing-side side surface of the bathtub or the side surface of the bathtub, and a fixing portion for attaching an end portion of the protective tube opposite to the drain pipe is provided on the bathtub. Outer side Wherein the cormorants apron and is provided between the outer side surface of the tub.

According to this, even if the water in the bathtub discharged from the drain pipe flows backward through the protective tube that passes through the release wire, the water is blocked by the water stop member provided at the end of the protective tube. Therefore, even if the operation part of the drain plug is installed at a position lower than the overflow surface of the bathtub, water does not flow out from the operation part.
Moreover, since the edge part of a protection tube is fixed to the fixing | fixed part behind an apron, construction of a protection tube can be performed easily in the state which removed the apron.

  According to a second aspect of the present invention, the operation portion includes a guide member that is inserted into the operation portion attachment hole from the front side of the operation portion attachment surface in which the operation portion attachment hole is formed, and an operation that is disposed on an inner periphery of the guide member. A button, an operation mechanism that supports the operation button so as to reciprocate and transmits the reciprocation of the operation button to the release wire, and is directly or indirectly joined to the guide member from the back side of the operation unit mounting surface. And a joint part that holds the operation mechanism part, and the joint part allows the release wire to be inserted from the outside to the inside and allows water inside the joint part to escape to the outside. And the end of the protective tube opposite to the drain pipe is separated from the joint.

According to this, the water that has entered from between the guide portion and the operation button can be drained to the outside through the through hole.
In addition, since the protective tube connected to the drain pipe is not connected to the joint part, even if the end of the protective tube is stopped, the water that has entered from between the guide part and the operation button will remain in the joint member and the protective tube. Since water is discharged from between the water, water does not stay inside the drain plug device.

According to claim 3, an end portion opposite to the drainage pipe before Symbol protective tube, a fixing member is provided for attaching the fixing portion disposed behind the apron covering the outside side surface of said bath, said fixing member The water-stopping member is mounted on.

  According to this, since the edge part of a protection tube is fixed to the fixing | fixed part behind an apron, a protection tube can be constructed in the state which removed the apron.

  According to a fourth aspect of the present invention, there is provided a fastener that prevents the water-stopping member from coming off the fixing member.

  According to this, since the water stop member does not come off due to the momentum or pressure of the water flowing from the drain pipe, it is possible to reliably stop the water for a long period of time.

  According to the present invention, it is possible to install the operation part of the remote-controlled drain plug at a position lower than the overflow surface of the bathtub without leaking water from the end part of the release tube protective tube on the operation part side. It becomes.

It is a typical perspective view which illustrates the bathtub using the drain plug device concerning an embodiment of the invention. It is the typical perspective view which the AA line shown in FIG. 1 fractured | ruptured. It is typical sectional drawing which illustrates the attachment position of a fixing member. It is typical sectional drawing which illustrates the drain plug apparatus of the bathtub concerning embodiment of this invention.

Embodiments of the present invention will be described below with reference to the drawings.
1 is a schematic perspective view illustrating a bathtub using a drain plug device according to an embodiment of the present invention, FIG. 2 is a schematic perspective view in which the AA line shown in FIG. 1 is broken, and FIG. 3 is a fixing member. FIG. 4 is a schematic cross-sectional view illustrating the drain plug device.

As illustrated in FIG. 1, the bathroom unit 500 includes a gantry 100, a washing floor pan 200, a bathtub 300, and a drain plug device 110.
The gantry 100 includes a washing station gantry 101 and a tub gantry 102. The washroom stand 101 supports the washroom floor pan 200. That is, the washroom floor pan 200 is placed on the washroom stand 101. The bathtub base 102 supports the bathtub 300. That is, the bathtub 300 is placed on the bathtub base 102.

  The washing room gantry 101 includes support legs 111 provided in the lower part. On the other hand, the bathtub base 102 has support legs 121 provided in the lower part. The gantry 100 is placed on an installation surface (for example, a building floor) such as a bathroom (not shown) in a state where a washing basin gantry 101 and a tub gantry 102 are connected.

  The washing ground floor pan 200 has a washing ground 201 and a washing ground drain 210. The water above (front side) the washing ground floor pan 200 passes through the washing ground drain 210 and is guided to a bathroom drain trap (not shown). Then, the water guided to the bathroom drain trap passes through a building drain pipe (not shown) provided below (back side) of the washroom floor pan 200 and is discharged. That is, the washroom drain 210 can discharge water from the washroom 201.

  The bathtub 300 has a drain outlet 310. The water in the bathtub 300 passes through the drain outlet 310 and is guided to the bathroom drain trap. And the water led to the bathroom drain trap passes through a building drain pipe provided under (back side) of the wash floor pan 200 and is discharged. That is, the drain port 310 can discharge the water in the bathtub 300.

  As shown in FIGS. 2 and 3, an apron 230 is installed between the washing floor pan 200 and the bathtub 300. Apron 230 covers the outer side surface of bathtub 300. The apron 230 is attached so as to close an opening formed between the washing floor pan 200 and the bathtub 300.

  A fixing portion 60 is disposed between the outer side surface of the bathtub 300 and the apron 230. The fixing part 60 is attached to a panel 61 installed upward from an edge of the washing floor floor pan 200 on the bathtub 300 side. Note that the panel 61 itself may be used as the fixing portion 60.

  The fixing member 50 is attached to the fixing portion 60. In the present embodiment, the fixing portion 60 to which the fixing member 50 is attached is fixed to the panel 61. A release wire 30 is provided between the fixing member 50 and the operation unit 20. That is, the release wire 30 is routed between the fixing portion 60 and the apron 230.

Next, the drain plug device 110 for a bathtub will be described.
As illustrated in FIG. 4, the drain plug device 110 includes the drain plug 10, the operation unit 20, the release wire 30, the protection tube 40, and the fixing member 50. The drain plug 10 is a plug that opens and closes a drain port 310 provided on the bottom surface of the bathtub 300. The drain plug 10 is opened and closed by a remote operation by the operation unit 20.

  The operation unit 20 is disposed at a position (downward) lower than the overflow surface (upper surface of the flange) 320 of the bathtub 300. The operation part 20 is attached to the apron 230 which covers the outer side surface of the bathtub 300, for example.

  The operation part 20 is arranged on the inner periphery of the guide member 21 and the guide member 21 inserted from the front side of the operation part attachment hole formed on the operation part attachment surface of the bathtub 300 (the surface of the apron 230). A push-type operation button 22 guided on the inner periphery of the actuator, an operation mechanism portion 23 that supports the reciprocation of the operation button 22 and transmits the reciprocation of the operation button 22 to the release wire 30, and from the back side of the operation portion mounting surface. A joint portion 24 that is directly or indirectly joined to the guide member 21 and holds the operation mechanism portion 23, and the drain plug 10 is opened and closed by pressing the operation button 22. The joint portion 24 includes a through-hole 24h through which the release wire 30 can be inserted from the outside into the inside and water inside the joint portion 24 can be released to the outside.

  The release wire 30 is provided between the drain plug 10 and the operation unit 20, and transmits the operation of the operation unit 20 to the drain plug 10. The release wire 30 includes an outer tube 31 and an inner wire 32 inserted into the outer tube 31.

  One end of the protection tube 40 is connected to a drain pipe 250 provided below the drain port 310. The protective tube 40 serves to protect the release wire 30 by incorporating the release wire 30 in the cavity. That is, the release wire 30 is inserted into the protective tube 40.

  The end (other end) of the protective tube 40 opposite to the drain pipe 250 is attached to the fixing member 50. As shown in FIGS. 2 and 3, the fixing member 50 is attached to a fixing portion 60 disposed behind the apron 230 (between the apron 230 and the bathtub 300).

  The fixing member 50 includes a first member 51, a second member 52, and a water stop member 53. The first member 51 has one end 51a and the other end 51b. The first member 51 is provided with a communication hole 51h through which the release wire 30 is inserted from one end 51a to the other end 51b. One end 51 a of the first member 51 is disposed on the back side (the bathtub 300 side) of the fixed portion 60. The other end 51 b of the first member 51 is connected to the protective tube 40. Further, a flange portion 51 f is provided at one end 51 a of the first member 51. The flange portion 51f contacts the back side of the fixed portion 60.

  The second member 52 is disposed on the front surface side (the apron 230 side) of the fixed portion 60. The second member 52 is provided with a flange portion 52f. The flange portion 52f contacts the front side of the fixed portion 60.

  As shown in FIG. 3, the fixing portion 60 is provided with a through hole 60 h. The second member 52 is inserted into the through hole 60h from the apron 230 side, and is fastened and fixed to the first member 51 on the bathtub 300 side. Thereby, the first member 51 and the second member 52 are fixed to the fixing portion 60 so that the fixing portion 60 is sandwiched between the flange portion 51f of the first member 51 and the flange portion 52f of the second member 52. The

  The water stop member 53 is a cylindrical body inserted from the second member 52 side to the first member 51 side. The water stop member 53 is mounted in the communication hole 51 h of the first member 51. An insertion hole 53 h into which the release wire 30 is slidably inserted is provided at the center of the water stop member 53. The water stop member 53 is provided so as to fill a gap between the release wire 30 and the fixing member 50.

  As shown in FIG. 4, the fixing member 50 is provided with a fastener 525 that prevents the water stop member 53 from coming off the fixing member 50. The fastener 525 is fixed to the surface of the second member 52 opposite to the first member 51 with screws 526. With this fastener 525, the water stop member 53 does not come off due to the momentum of the water flowing from the drain pipe 250, so that it is possible to reliably stop the water for a long period of time.

  In the configuration in which the end of the protection tube 40 is connected to the drain pipe 250, water (including cold water, hot water, etc.) that has flowed into the drain pipe 250 when draining the hot water in the bathtub 300 flows back through the protection tube 40. there is a possibility. Here, when the operation unit 20 is disposed at a position (downward) lower than the overflow surface (upper surface of the flange) 320 of the bathtub 300, water that has flowed back through the protective tube 40 may be discharged from the operation unit 20. . However, in the drain plug device 110 according to the present embodiment, the protective tube 40 is connected to the other end 51 b of the first member 51 of the fixing member 50, and the water stop member 53 is provided in the gap between the fixing member 50 and the release wire 30. It has been. For this reason, even when water flows backward from the water distribution pipe 250 into the protection tube 40, the water can be stopped by the water stop member 53, and water is not transmitted before the water stop member 53. In this way, the operation unit 20 can be disposed at a position (downward) lower than the overflow surface (upper surface of the flange) 320 of the bathtub 300 without water flowing out from the operation unit 20.

  On the other hand, the end of the protective tube 40 opposite to the drain pipe is separated from the joint portion 24, and a gap is formed between the protective tube 40 and the joint portion 24. Therefore, the through hole 24h of the joint portion 24 does not communicate with the protective tube 40, and water inside the joint portion 24 can be released to the outside.

  As described above, according to the present embodiment, even if the protective tube 40 that protects the release wire 30 is connected to the drain pipe 250, the water that has flowed backward from the drain pipe 250 to the protective tube 40 is stopped by the fixing member 50. Water that is stopped by the water member 53 and flows backward does not travel from the fixing member 50 to the previous operation unit 20 side. Thereby, even if the operation part 20 is arrange | positioned below the overflow surface 320 of the bathtub 300, it can prevent that water is discharged | emitted from the operation part 20. FIG.

  Further, the water that has entered the joint portion 24 through the gap between the guide member 21 and the operation button 22 of the operation portion 20 is discharged from the through hole 24h, and the drain plug device from the gap between the joint portion 24 and the protective tube 40. Is discharged outside. Therefore, water does not stay inside the drain plug device.

  Further, the operation unit 20 is installed in an apron 230 that covers the side of the washing area of the bathtub 300 or the side of the bathtub 300, and the end of the protective tube 40 opposite to the drain pipe is covered with the apron that covers the outer side of the bathtub 300. The fixing member 50 for attaching to the fixing part 60 installed behind 230 is provided, and the water stop member 53 is attached to the fixing member 50. Therefore, since the protective tube 40 can be constructed immediately behind the apron 230 with the apron 230 removed, the construction can be performed easily.

  The embodiment of the present invention has been described above. However, the present invention is not limited to these descriptions. As long as the person skilled in the art makes a design change with respect to the above-described embodiment as long as it has the features of the present invention, it is included in the scope of the present invention, and the shape, size, The material, arrangement, etc. and the installation form of the drain plug 10, the operation unit 20, etc. are not limited to those illustrated, but can be changed as appropriate. For example, the operation unit 20 is directly attached to a side surface (a side surface on the washing place side) above the apron 230 of the bathtub 300, an upper surface or a side surface of a bathroom counter located below the overflow surface of the bathtub, or a bathroom wall panel. You may attach to the front of. Moreover, the part which raised the edge part on the bathtub side of the washing floor floor pan 200 may be used as the panel 61.

DESCRIPTION OF SYMBOLS 10 Drain plug 20 Operation part 21 Guide member 22 Operation button 23 Operation mechanism part 24 Joint part 24h Through hole 30 Release wire 40 Protection tube 50 Fixing member 53 Water stop member 60 Fixing part 230 Bathtub apron 231 Operation part attachment surface 232 Operation part attachment Hole 250 Drain pipe 300 Bath 310 Drain outlet 525 Fastener

Claims (4)

A drain plug that opens and closes the drain of the bathtub;
An operation unit for remotely controlling opening and closing of the drain plug;
A release wire that transmits the operation of the operation unit to the drain plug;
A protective tube connected to a drain pipe connected to a lower part of the drain port, and having a hollow portion through which the release wire is inserted;
With
The operation unit is disposed at a position lower than the overflow surface of the bathtub,
The end of the protective tube opposite to the drain pipe is provided with a water stop member that can insert the release wire and stop water flowing into the protective tube from the drain pipe .
The operation part is installed in a bathtub apron that covers the side of the washing area of the bathtub or the side of the bathtub,
The drainage of the bathtub characterized by providing the fixing | fixed part for attaching the edge part on the opposite side of the said drain tube of the said protection tube between the apron which covers the outer side surface of the said bathtub, and the outer side surface of the said bathtub Stopper device. The operation unit is
A guide member from the front side of the operating portion mounting holes are formed operation unit mounting surface is inserted into the operation portion mounting hole,
An operation button disposed on the inner periphery of the guide member;
An operation mechanism unit that supports the operation button so as to reciprocate and transmits the reciprocation of the operation button to the release wire;
A joint part that is directly or indirectly joined to the guide member from the back side of the operation part mounting surface, and holds the operation mechanism part;
With
The joint portion includes a through-hole through which the release wire can be inserted from the outside to the inside and water inside the joint portion can be released to the outside.
The drain plug device for a bathtub according to claim 1, wherein an end portion of the protective tube opposite to the drain pipe is separated from the joint portion. An end portion opposite to the drainage pipe before Symbol protective tube, a fixing member is provided for attaching the fixing portion disposed behind the apron covering the outside side surface of said bath,
The drain plug device for a bathtub according to claim 2, wherein the water stop member is attached to the fixing member.   The drain plug device for a bathtub according to claim 3, further comprising a fastener for preventing the water-stopping member from coming off the fixing member.

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