JP2022040477A - Drain plug device - Google Patents

Abstract

To provide a drain plug device improved in workability, reduced in stress necessary for opening/closing a plug lid, and prevented in lowering of operability and breakage of members.SOLUTION: A drain plug device comprises: a tank 1 having a water discharge port; a plug lid opening/closing the water discharge port; an operation part operating the plug lid; a transmission member 4 transmitting the operation of the operation part to the plug lid; and a connection part 5 connecting the transmission member 4 to the plug lid. The tank has: a side wall part 12 erected from the circumference of a bottom wall part 11; and a projecting part 14 extendedly provided outward at a lower end of the side wall 12. The water discharge port is formed on a bottom face of the projecting part, and the transmission member 4 is structured to be adjustable in a direction in relation to the projecting part 14.SELECTED DRAWING: Figure 6

Description

The present invention relates to a drain plug device that opens and closes a drain port of a tank body.

As a drain plug device that opens and closes the drain port of the tank body, a structure equipped with a plug lid that opens and closes the drain port, an operation unit attached to the tank body, and a transmission unit that transmits the operation of the operation unit to the plug lid. It has been known.
The drain plug device described in Patent Document 1 includes a transmission member composed of a tubular outer tube and an inner wire that moves back and forth in the outer tube, and the inner wire protrudes by a pushing operation applied to the operation unit. The structure is such that the drainage port is opened by pushing up the plug lid. Further, the raised / lowered state of the plug lid is held by the lock mechanism, and it is possible to switch the opening / closing of the drain port each time the operation unit is operated.

JP-A-2015-68073

In the drain plug device described in Patent Document 1, one end of the transmission member is connected to the operation portion, and the other end is connected to the connection portion formed below the plug lid, but the operation portion is attached. The position depends on the construction environment. For example, when the tank body is a bathtub, the position where the operation unit is attached varies depending on the positional relationship between the tank body and the washing place and the layout in the bathroom. Further, in a long-term care bathtub, a structure is known in which an operation unit is attached to the side surface of the bathtub.
Here, depending on the position where the operation unit is attached, it may be difficult to connect the operation unit and the plug lid with the transmission member. At this time, if the operation unit and the plug lid are forcibly connected, the transmission member may be twisted or the bending radius may be reduced. In such a case, it becomes difficult to construct the drain plug device, and the friction generated when the inner wire moves in and out of the transmission member increases, so that the stress required for opening and closing the plug lid increases, and the operability increases. Problems such as deterioration of the member and breakage of the member due to buckling of the inner wire occur.

In view of the above problems, it is an object of the present invention to provide a drain plug device that improves workability, reduces stress required for opening and closing the plug lid, and prevents deterioration of operability and damage to members. And.

The present invention according to claim 1 for solving the above problems includes a tank body having a drainage port and a tank body.
A plug that opens and closes the drain, and
The operation unit that operates the plug lid and
A transmission member that transmits the operation of the operation unit to the plug lid,
The tank body has a side wall portion erected from the periphery of the bottom wall portion and a protruding portion extending outward at the lower end of the side wall portion.
The drainage port is formed on the bottom of the protruding part, and
The transmission member is a drain plug device characterized in that the direction can be adjusted with respect to the protruding portion.

According to the second aspect of the present invention, the drain plug device includes a connecting portion for connecting the transmission member and the plug lid.
The drain plug device according to claim 1, wherein the connecting portion is rotatably attached to the protruding portion.

In the present invention according to claim 3, the connecting portion is
The drain plug device according to claim 2, wherein the drain plug device is rotatable with respect to the tank body at a connection point with the tank body.

In the present invention according to claim 4, the connecting portion is
The connecting portion has a connecting portion to which the transmission member is connected.
The drain plug device according to claim 2 or 3, wherein the connection portion with the tank body and the connection portion can rotate relative to each other.

The drainage plug device according to claim 5, wherein the connecting portion is attached to the protruding portion from above.

According to the present invention, by configuring the transmission member so that the direction can be adjusted, it is possible to easily perform the construction regardless of the position where the operation unit is attached. As a result, the transmission member can be bent without difficulty, so that the stress required for opening and closing the plug lid can be reduced, and the operability can be reduced and the member can be prevented from being damaged.

It is sectional drawing which shows the construction state of the drain plug device. It is a top view which shows the bathroom. It is an exploded perspective view which shows the member composition of the connecting part. It is sectional drawing which shows the descending state of a plug lid. It is sectional drawing which shows the raised state of a plug lid. It is a rear view which shows the state which the connecting part was rotated. It is sectional drawing which shows the 2nd Embodiment.

Hereinafter, the drain plug device of the present invention will be described with reference to the drawings. It should be noted that the description described below is for facilitating the understanding of the embodiment, and the invention is not limited and understood by this.

As shown in FIGS. 1 to 6, the drain plug device of the present invention is composed of a tank body 1, an operation unit 2, a lock mechanism 3, a transmission member 4, a connecting portion 5, and a plug lid 9.

The tank body 1 is a bathtub arranged in the bathroom, and is arranged adjacent to the washing place. Further, the drainage port 15 formed in the bottom wall portion 11 of the tank body 1 can be remotely opened and closed by the operation portion 2 attached to the edge portion. The tank body 1 is composed of a bottom wall portion 11 forming a rectangular shape in a plan view and a side wall portion 12 erected upward from the four corners of the bottom wall portion 11, and the side wall portion of the side wall portion 12 adjacent to the washing place. At the lower end of 12, the corner portion 13 intersecting the bottom wall portion 11 has a protruding portion 14.
As shown in FIG. 2, the protruding portion 14 is formed at the center of the side wall portion 12 in a plan view so as to project outside the side wall portion 12, that is, toward the washing place side in a substantially U-shape in a plan view. .. Further, the protruding portion 14 is formed with a tubular insertion portion 16 extending upward from directly above the drainage port 15, and the connecting portion 5 is arranged in the insertion portion 16.
The drainage port 15 is a circular opening that penetrates the bottom surface of the protrusion 14 in the vertical direction, and is formed at the lowest position among the bottom wall portion 11 of the tank body 1 and the bottom surface of the protrusion 14. The drainage port 15 is arranged outside the inner side surface of the side wall portion 12, and is invisible to the user in a plan view.

The operation unit 2 has a switch unit 21 exposed in the bathroom from the edge of the tank body 1, and when a push operation is applied to the switch unit 21, the drain plug device is operated and the plug lid 9 is raised and lowered. The drain port 15 is opened and closed. As shown in FIG. 2, in the present embodiment, the operation unit 2 is attached adjacent to the washing place and on the shower or faucet side.

In the lock mechanism 3, a shaft extending from the upper end is fitted to the back surface of the switch portion 21, and the internal gear is repeatedly meshed and disengaged with the pushing operation of the switch portion 21 to operate the lock mechanism 3. It is possible to switch between holding the open state of the drain port 15 and releasing the holding each time. Further, the lock mechanism 3 has a return spring arranged inside, and urges an inner wire, which will be described later, to the switch portion 21.

The transmission member 4 is composed of a resin and tubular outer tube and a release wire 41 made of a metal inner wire arranged in the outer tube, and an inner cylinder 43 and an outer cylinder 44 formed at the end of the release wire 41. It has a tubular portion 42. The transmission member 4 is on the outside of the tank body 1 and above the protruding portion 14, is bent by about 180 degrees in the displacement direction of the plug lid 9 when the drain port 15 is opened and closed, and is connected to the connecting portion 51 of the connecting portion 5. At the same time, the operation is transmitted to the plug 9 via the connecting portion 5. In the transmission member 4, the inner wire advances and retreats in the outer tube in conjunction with the pushing force applied to the operation unit 2, and the inner cylinder 43 protrudes from the outer cylinder 44 in response to the advance and retreat to transmit the operation. do.

As shown in FIGS. 3 and 4, the connecting portion 5 is a member that connects the transmission member 4 and the plug 9, and has a connecting portion 51 to which the transmission member 4 is connected, and has a connecting upper portion 52 and a connecting middle portion 54. It is composed of a connecting lower portion 59 and a support shaft 8.
The connecting upper portion 52 is a cylindrical member, which is attached so as to cover the connecting middle portion 54, and a U-shaped holding portion 53 for supporting the support shaft 8 is formed at the lower end thereof, and the upper end back surface thereof. A connecting portion 51 to which the transmission member 4 is connected is formed.
The connecting portion 51 comes into contact with the inner cylinder 43 when it protrudes in conjunction with the operation on the operating portion 2, and displaces the connecting upper portion 52 in the vertical direction. The connection portion 51 is in the displacement direction of the plug 9 when the drain port 15 is opened, and is provided above the drain port 15 and the plug 9 in this embodiment, that is, at a position higher than the drain port 5.
The connecting middle portion 54 is formed with a storage portion 55 in which the tubular portion 42 is arranged at the upper end, and a claw portion 56 that engages with the connecting lower portion 59 is formed at the lower end. The storage portion 55 has a semicircular shape with an open side surface, and the opened side surface is covered by attaching a tubular cover 57. In the state where the cylinder portion 42 is stored in the storage portion 55, the cylinder portion 42 can rotate about its own axis. Further, a spring 58 is arranged inside the lower end of the connecting middle portion 54.
The connecting lower portion 59 has an outer flange portion 60 at the upper side, and an O-ring that comes into contact with the inner circumference of the insertion portion 16 of the protruding portion 14 is fitted at the lower end. Further, a notch 61 that engages with the claw portion 56 of the connecting middle portion 54 is formed on the outer periphery of the connecting lower portion 59. At the time of completion of construction, the connecting lower portion 59 cannot rotate with respect to the connecting middle portion 54 by engaging with the claw portion 56, but is rotatable with respect to the insertion portion 16.
The support shaft 8 has a rod shape that penetrates the upper surface of the protruding portion 14 and engages with the plug 9 in the groove portion 81 formed at the lower end, and the upper end is supported by the holding portion 53 to the connecting upper portion 52. The support shaft 8 is always urged toward the plug 9 side by a spring 58 arranged in the connecting middle portion 54.

Since the transmission member 4 is inserted into the connecting portion 5, a part of the side surface of the connecting portion 5 is opened below the storage portion 55. Further, since the connecting portion 5 is rotatable with respect to the insertion portion 16 in the state of being attached to the protruding portion 14, the connecting portion 5 can rotate relative to the protruding portion 14 of the tank body 1. ing. As a result, the connecting portion 5 can appropriately adjust the direction of the opening according to the mounting position of the operating portion 2.

The plug 9 is a plate-shaped lid into which a packing for opening and closing the drain port 15 is fitted, and is displaced in the vertical direction in response to an operation from the operation unit 2. Further, the stopper lid 9 has an engaging portion 91, a guide portion 92, and a handle 93 formed on the upper surface thereof.
The engaging portion 91 has a substantially C-shape in a plan view having a notch, and the support shaft 8 is engaged when the construction is completed. The inner diameter of the engaging portion 91 is smaller than the outer diameter of the support shaft 8 and larger than the outer diameter of the groove portion 81 formed at the lower end of the support shaft 8.
The guide portion 92 is a rib extending in a plan view fan shape from both ends of the engaging portion 91 toward one end side of the plug lid 9, and is formed to guide the support shaft 8 to the engaging portion 91.
The handle 93 extends to the other end side of the plug lid 9 and can be gripped when the plug lid 9 and the support shaft 8 are attached and detached.

The plug 9 is connected by engaging the engaging portion 91 with the groove 81 of the support shaft 8, and when the drain plug device is operating, the drain port 15 is pulled up from above by the support shaft 8. The drainage port 15 is closed by opening and being pushed down by the support shaft 8 from above.

The assembly of the drain plug device will be described below.

First, the operation unit 2 is attached to the edge of the tank body 1. At this time, the transmission member 4 continuous from the operation unit 2 extends downward.
Next, the end portion of the transmission member 4 is bent by about 180 degrees, the tubular portion 42 is arranged in the storage portion 55 of the connecting middle portion 54 in a state of facing upward, and the cover 57 is covered with the connecting middle portion 54 from above. Attaches the transmission member 4 to the connecting portion 5 with. At this time, since the transmission member 4 bends above the drain port 15 and the plug 9, the transmission member 4 can be bent in a wide space such as the outside of the tank body 1. In the state of being attached to the connecting portion 5, the tubular portion 42 is rotatably housed with respect to the connecting portion 5.
Next, the connection upper portion 52 is covered with the connection middle portion 54 from above, the spring 58 is arranged at the lower end of the connection middle portion 54, and then the support shaft 8 is attached to the holding portion 53. At this time, the support shaft 8 is urged downward by the spring 58.
Next, the assembly of the connecting portion 5 is completed by inserting the connecting middle portion 54 into the connecting lower portion 59 and engaging the claw portion 56 with the notch 61. At this time, due to the engagement between the claw portion 56 and the notch 61, the connecting middle portion 54 and the connecting lower portion 59 become non-rotatable.
Next, the connecting portion 5 is attached to the insertion portion 16 by the C-shaped ring 10 in a state where the connecting lower portion 59 is inserted into the insertion portion 16 and the support shaft 8 is projected into the protruding portion 14. At this time, since the connecting lower portion 59 is rotatable with respect to the insertion portion 16, by rotating the tubular portion 42 and the connecting portion 5 in the direction in which the operating portion 2 is attached, as shown in FIG. , The release wire 41 can be bent without difficulty. As shown in FIG. 2, when the attachment position of the operation portion 2 is adjacent to the washing place and is attached to the edge portion on the shower or faucet side, the connecting portion 5 is rotated in the direction of FIG. 6A. However, if the mounting position is adjacent to the washing place and is mounted on the edge of the side facing the shower or faucet, the connecting portion 5 is installed in the direction of FIG. 6 (b). It is easier to install by rotating it.
Finally, the plug lid 9 is pressed from the side to the groove portion 81 of the support shaft 8 to engage the engaging portion 91 of the plug lid 9, and the construction is completed. At this time, the connecting portion 51 is provided above the plug lid 9, and the tubular portion 42, which is the end portion of the transmission member 4, is arranged between the plug lid 9 and the connecting portion 51.

The drain plug device operates as follows.

As shown in FIG. 4, when the plug 9 is in the lowered state, the plug 9 closes the drain port 15 by the packing coming into contact with the peripheral edge of the drain port 15. Here, when a pushing operation is applied to the switch portion 21, the inner wire slides inside the outer tube toward the stopper lid 9, and the inner cylinder 43 of the cylinder portion 42 faces upward from the outer cylinder 44. Protruding and pressing the connecting portion 51 of the connecting upper portion 52 upward. When the pressed connection upper portion 52 and the support shaft 8 rise, the plug 9 engaged with the support shaft 8 is pulled up from above and rises, and the drain port 15 opens. Further, at this time, the internal gear of the lock mechanism 3 is engaged, and the plug 9 is maintained in the raised state.
Next, as shown in FIG. 5, when a pushing operation is applied to the switch portion 21 again from the state where the stopper lid 9 is raised, the meshing of the gear in the lock mechanism 3 is released and the return in the lock mechanism 3 is released. The inner wire retracts due to the action of the spring, and the inner cylinder 43 descends. At this time, the support shaft 8 is urged downward by the spring 58 in the connecting lower portion 59, the plug lid 9 is displaced downward, and the fitted packing abuts on the peripheral edge of the drain port 15. As a result, the drainage port 15 is closed.

In the drain plug device of the present invention, since the connecting portion 5 is rotatable with respect to the protruding portion 14, the direction of the opening formed on the side surface of the connecting portion 5 is adjusted according to the position where the operating portion 2 is attached. By doing so, it becomes possible to freely adjust the direction of the transmission member 4 with respect to the protruding portion 14. As a result, the construction can be easily performed regardless of the position where the operation unit 2 is attached, and the transmission member 4 can be bent without difficulty, so that the stress required for opening and closing the plug 9 can be obtained. Can be reduced to prevent deterioration of operability and damage to members.

Although the first embodiment of the present invention is described above, the present invention is not limited to the shape of the first embodiment, and various design changes may be made without departing from the gist of the invention. For example, in the first embodiment, the connecting portion 5 is rotatable at the connecting portion with the protruding portion 14, but the connecting portion may not be rotatable. That is, the stopper side and the transmission member side of the connecting portion itself may be relatively rotatable, such that the upper portion of the connection and the middle portion of the connection are relatively rotatable, or the middle portion of the connection and the lower portion of the connection are relatively rotatable. It should be noted that the connection portion between the connecting portion and the protruding portion may be rotatable, and the plug lid side and the transmission member side of the connecting portion itself may be relatively rotatable.
Further, in the first embodiment, the drainage port is opened and closed by displacing the plug lid in the vertical direction, but the displacement direction of the plug lid due to the operation of the drain plug device is not limited to the vertical direction. That is, the plug lid may be opened and closed by displacing it in an oblique direction, or the drainage port 15 may be opened and closed by displacing it in a substantially horizontal direction as in the second embodiment shown in FIG. .. In this second embodiment, as is clear from FIG. 7, a tubular portion 42, which is an end portion of the transmission member 4, is arranged between the connection portion 51 arranged in the substantially horizontal direction and the plug lid 9, and the plug is plugged. The structure is such that the drain port 15 is opened and closed by the lid 9 being displaced in a substantially horizontal direction. Similarly, the bending direction of the transmission member 4 is appropriately set according to the displacement direction of the plug 9 and the like.
Further, in the first embodiment, the drainage port is formed on the bottom wall portion of the tank body, but as in the second embodiment, the drainage port is formed on the corner portion 13 where the bottom wall portion 11 and the side wall portion 12 of the tank body 1 intersect. It may be formed.
Further, the tank body of the present invention is not limited to the bathtub, and may be a washbasin, a sink or other tank body.

1 Tank body 11 Bottom wall part 12 Side wall part 13 Corner part 14 Protruding part 15 Drainage port 16 Insertion part 2 Operation part 21 Switch part 3 Lock mechanism 4 Transmission member 41 Release wire 42 Cylinder part 43 Inner cylinder 44 Outer cylinder 5 Connecting part 51 Connection part 52 Connection upper part 53 Holding part 54 Connection middle part 55 Storage part 56 Claw part 57 Cover 58 Spring 59 Connection lower part 60 Outer collar part 61 Notch 8 Support shaft 81 Groove part 9 Plug lid 91 Engagement part 92 Guide part 93 Handle 10 C Character ring

Claims (5)

A tank body with a drainage port and
A plug that opens and closes the drain, and
The operation unit that operates the plug lid and
A transmission member that transmits the operation of the operation unit to the plug lid,
The tank body has a side wall portion erected from the periphery of the bottom wall portion and a protruding portion extending outward at the lower end of the side wall portion.
The drainage port is formed on the bottom of the protruding part, and
The transmission member is a drain plug device characterized in that the direction can be adjusted with respect to the protruding portion. The drain plug device includes a connecting portion for connecting the transmission member and the plug lid.
The drain plug device according to claim 1, wherein the connecting portion is rotatably attached to the protruding portion. The connecting part is
The drain plug device according to claim 2, wherein the drain plug device is rotatable with respect to the tank body at a connection point with the tank body. The connecting part is
The connecting portion has a connecting portion to which the transmission member is connected.
The drain plug device according to claim 2 or 3, wherein the connection portion with the tank body and the connection portion can rotate relative to each other. The drain plug device according to any one of claims 2 to 4, wherein the connecting portion is attached to the protruding portion from above.

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