JP5412632B2 - Remote control drain plug device and its construction method - Google Patents

Description

The present invention relates to a remote-operated drain plug device that can remotely control opening and closing of a drain outlet such as a tank body and a construction method thereof.

As a well-known remote control type drain plug device, for example, there is a remote control type drain plug device shown in FIG. A conventional example of the remote control type drain plug device shown in FIG. 7 will be described below with reference to the drawings.
The remote control type drain plug device of the conventional example illustrated in FIG. 7 includes a tank body, a drain port, a valve body, an operation unit, a release wire, and a mechanical box described below.
The tank body is a box body for storing / draining water therein, and in this conventional example, a bathtub provided in the bathroom is adopted.
A drain outlet is a hole opened in the bottom face of a bathtub, and is an opening which drains the water stored in the bathtub into sewage.
The drain plug is a cylindrical body having a flange installed at a drain outlet, and is configured such that a support portion and a valve body, which will be described later, are detachable.
The valve body is a member that is provided in the drain plug and opens / closes the drain port while moving up and down, and when seated on the drain port, closes the drain port and stops water. When the drainage port is opened, the water in the bathtub is drained into sewage. A pin portion of an inner wire, which will be described later, is configured to be detachable on the back surface of the valve body.
The support portion is a member that is detachably attached to the drain plug, and is a member for arranging and fixing the release wire at the central portion of the drain plug.
An operation part is a button-like member attached and fixed to the upper edge part of a bathtub, Comprising: The valve body of a drain port is operated remotely. The operation unit includes a cylindrical switch body and a button unit. On the inner periphery of the switch body, a female screw that is screwed into a male screw of a mechanical box to be described later is screwed.
The release wire is configured by an inner wire that is connected to the valve body and the operation unit, and is configured such that a metal wire is formed in a coil shape, and an outer wire that accommodates the inner wire so as to be able to advance and retract. The end of the release wire on the valve body side constitutes a pin portion that is a connection point with the valve body. Note that the end of the release wire on the valve body side is attached and fixed to the center of the support portion, and the operation portion side end is attached and fixed to the operation portion in a detachable manner.
The mechanical box has an action of holding / removing the advance / retreat of the inner wire of the release wire, and employs a thrust lock mechanism used in a ballpoint pen knock mechanism, which is known in this conventional example. The mechanical box is configured at the operation unit side end of the release wire. Further, a male screw is screwed around the outer periphery of the mechanical box.
The tube tube is a soft tube body connected from the operation unit to the drain plug, and a release wire is disposed inside.

The above-described remote-operated drain plug device is applied to a bathtub that is a tank body as follows. At the construction site, attach and fix the switch body of the operation unit to the upper edge of the bathtub.
Then, a drain plug is attached to the drain outlet of the bathtub, a tube pipe is connected from the lower end of the switch body of the operation section to the drain plug, and a release wire is inserted from the operation section opening outside the bathtub to the valve side. Then, since the tube pipe is connected to the switch body, the tube pipe serves as a guide and the release wire is inserted to the drain plug side. The end of the release wire placed in the drain plug is taken out from the drain plug to the front side of the bathtub. At this time, the release wire mechanical box is positioned at the lowermost end of the switch body. Then, the end portion of the release wire is connected to the center portion of the support portion, and the engaging leg of the support portion is engaged with the convex portion in the drain plug so that the support portion is disposed and fixed in the drain plug. In this state, the release wire is fixed in the drain outlet. When the mechanical box in the switch body of the operation unit is rotated, the male screw on the outer periphery of the mechanical box and the female screw on the inner periphery of the switch body are screwed together, and the mechanical box is near the upper end of the switch body in accordance with the rotation of the screw. Is raised. Then, the mechanical box is arranged and fixed at an appropriate position in the switch body, and the button part is attached to the switch body. After that, the valve body is detachably attached to the pin portion of the release wire disposed in the drain plug, and the construction of the remote-operated drain plug device is completed.

The remote-operated drain plug device thus constructed operates as follows.
First, an operation is applied to the operation section so that the valve body closes the drain plug. At this time, since the mechanical box provided in the operation unit does not fix the operation of the inner wire in the release wire, the valve body is lowered by its own weight and the drain port is closed.
Next, when the mechanical box is operated by operating the operation button and fixed with the inner wire protruding toward the valve body, the inner wire protrudes, and the tip of the pin rises, The valve body detachably connected is lifted to open the drain.
When the operation button is operated again from this state to operate the holding mechanism portion in the operation portion and release the inner wire, the return spring in the mechanical box is operated and the inner wire is retracted to the original position. Then, the weight of the valve body works, the inner wire moves backward, the valve body descends and the drainage port is closed.
Thereafter, by repeating this operation, the opening and closing of the drain port can be remotely and freely operated by the operation unit.

JP 2004-124578 A

The remote-operated drain plug device as in the conventional example has the following problems.
The conventional remote-operated drain plug device has a single part for the operation part. Therefore, when the operation part is installed in the factory, the amount of protrusion below the bathtub of the operation part is large, and the bathtubs cannot be stacked. . In order to stack many bathtubs, it is only necessary to construct the operation section on site, but it was very troublesome to install the operation section in a narrow construction site and in a narrow space behind the bathtub. In addition, when the operation unit was installed at the construction site, the mechanical box and release wire, which are precision parts, were installed in the narrow space behind the bathtub, so it was easy for buckling of the release wire and failure of the mechanical box to occur. .

Accordingly, the remote-operated drain plug device of the present invention has been invented to solve the following problems.
1. Simplify the construction method of the release wire.
2. Prevents buckling, failure and malfunction during the construction of the release wire.
3. It enables stacking of bathtubs (tanks) in factories.

The present invention described in claim 1 includes a tank body 1 having a drain opening at the bottom, a valve body 2 disposed in the drain opening to open and close the drain opening, and an operation unit for remotely opening and closing the valve body 2. 3 and a release wire 7 connected to the valve body 2 and the operation unit 3, the operation unit 3 is connected to the switch upper part 4, the switch lower part 5, and the C-shaped ring 6. Each of the components is tubular, and includes a locking portion 41 and a mounting opening 42 in which the switch lower portion 5 is disposed. The switch lower part 5 is composed of a receiving part 52 connected to the mounting opening 42 of the switch upper part 4, which is connected to the mounting part 42 of the switch upper part 4. It is configured in a C shape when viewed from above, and slides on the lower part of the switch 5 51. The slide convex portion 61 is configured to protrude toward the inner peripheral direction in a sectional view and is slidably engaged with 51, and is configured above the slide convex portion 61 and is locked to the locking portion 41 of the switch upper portion 4. A C-shaped ring 6 composed of a locked portion 62, and a mechanical box 73 as a mechanism for holding the inner wire 72 of the release wire 7 at the end of the release wire 7 are further provided. This is a remote-operated drain plug device characterized in that the box 73 is detachably attached to the switch lower part 5 .

According to a second aspect of the present invention, the locking portion 41 of the switch upper portion 4 is formed in a projecting shape on the outer peripheral surface of the switch upper portion 4, and the locked portion 62 of the C-shaped ring 6 is viewed in cross section. The remote-operated drain plug device according to paragraph 0008, wherein the drain-operated drain plug device is configured to project toward an inner circumferential direction.

In the third aspect of the present invention, the inclined surface 63 inclined from the outer periphery to the inner periphery in the section view is formed on the upper surface of the locked portion 62 of the C-shaped ring 6. The remote-operated drain plug device according to paragraph 0009.

According to a fourth aspect of the present invention, in the remote control according to any one of the paragraphs 0008 to 0010, the upper end of the mechanical box 73 is arranged above the upper end of the switch lower portion 5. It is an operation type drain plug device .

According to the fifth aspect of the present invention, the C-shaped ring 6 is attached to the slide groove 51 of the switch lower part 5 in advance, and the switch lower part 5 is inserted into the attachment port 42 of the switch upper part 4 so that the C-shaped ring 6 is Any one of the paragraphs 0008 to 0011 described above, wherein the diameter of the switch is increased in the direction and the switch upper portion 4 and the switch lower portion 5 are engaged with and engaged with the engaging portion 41 of the switch upper portion 4. It is a construction method of the remote control type drain plug device.

The remote-operated drain plug device of the present invention has the following effects.
In the remote-operated drain plug device according to claim 1, the operation unit 3 includes the switch upper part 4, the switch lower part 5, and the C-shaped ring 6 configured in a C shape. Can be easily connected with a single touch, making installation easier. Moreover, since it can construct without inserting the release wire 7 in the tube tube 9 at the time of construction like before, it can prevent generation | occurrence | production of the buckling etc. of the release wire 7 at the time of the release wire 7 insertion. it can. Moreover, since it does not connect with a screw etc. conventionally, the effort of construction becomes easy. Further, since the operation unit 3 is divided into two parts, that is, the switch upper part 4 and the switch lower part 5, the length of the operation part 3 is shorter than the conventional one, and can be stacked in multiple layers when the bathtub 1 is in stock at the factory.
The remote-operated drain plug device according to claim 2 is formed in a protruding shape on the outer peripheral surface of the switch upper portion 4, and the locked portion 62 of the C-shaped ring 6 protrudes in the inner peripheral direction in a cross-sectional view. Therefore, the operation unit 3 and the release wire 7 can be easily connected with one touch, and the construction is simplified. Moreover, since it is possible to construct the tube tube 9 without inserting the release wire 7 during construction as in the prior art, it is possible to prevent the release wire 7 from being bent when the release wire 7 is inserted. Can do. Moreover, since it does not connect with a screw etc. conventionally, the effort of construction becomes easy. Further, since the operation unit 3 is divided into two parts, that is, the switch upper part 4 and the switch lower part 5, the length of the operation part 3 is shorter than the conventional one, and can be stacked in multiple layers when the bathtub 1 is in stock at the factory.
The remote-operated drain plug device according to claim 3 comprises an inclined surface 63 inclined on the upper surface of the locked portion 62 of the C-shaped ring 6 from the outer periphery to the inner periphery in a sectional view. The inclined surface 63 of the C-shaped ring 6 is brought into contact with the locking portion 41 of the upper portion 4, and the diameter of the C-shaped ring 6 can be smoothly and accurately expanded in the outer circumferential direction along the inclination.
Since the remote-operated drain plug device according to claim 4 is configured so that the upper end of the mechanical box 73 protrudes upward from the upper end of the switch lower part 5, by using the upper end of the mechanical box 73 as a guide during construction, It can be easily inserted into the mounting opening 42 of the switch upper part 4.
The construction method of the remote-operated drain plug device according to claim 5 is simpler and simpler than the conventional remote-operated drain tap device construction method. Furthermore, failure, buckling, malfunction, etc. during construction can be prevented.

Embodiments of the present invention will be described below with reference to the drawings.
The remote control type drain plug device of the present embodiment shown in FIGS. 1 to 6 includes a tank body 1, a valve body 2, an operation unit 3, a release wire 7, and a C-shaped ring 6 described below. Being done.
The tank body 1 is a bathtub provided in a bathroom, and is formed by opening a drain outlet on a box-shaped bottom surface. In the present embodiment, a drain plug 8 having a tubular shape and a bowl-shaped flange at the upper end is formed at the drain port of the tank body 1. The drain plug 8 is configured such that a support member that supports a pin portion of a release wire 7 to be described later on the inner periphery thereof is detachable.
In addition, since a drain pipe and a drain trap are disposed downstream of the drain plug 8, the drainage in the tank body 1 is finally drained to the sewer pipe.
As shown in FIG. 6, the valve body 2 is a member that performs water stop / drainage by moving the drain port up and down. The valve body 2 is moved up and down by an operation unit 3 and a release wire 7 which will be described later. When the valve body 2 is lowered and seated on the flange of the drain plug 8, the drain port is stopped and closed. Further, when the valve body 2 is raised by operating the operation unit 3, the drainage port is opened, and the wastewater in the tank body 1 is drained downstream outside the tank body 1.
As shown in FIGS. 1 and 3 to 5, the operation unit 3 is a member that remotely opens and closes the valve body 2, and is provided on the upper edge of the tank body 1. In this embodiment, the switch upper portion 4, the switch lower portion 5, and the C-shaped ring 6 are configured.
The switch upper part 4 is a member that is fixedly attached to the upper edge of the tank body 1, and is formed in a cylindrical shape with a bowl-shaped flange at the upper end and a screw for mounting the tank body 1 on the outer periphery. Further, an attachment port 42 for connecting a switch lower portion 5 described later is formed at the lower end. An O-ring made of a soft member such as rubber is disposed on the outer peripheral surface of the lower end of the switch upper part 4 in order to achieve watertightness at the time of connection to the switch lower part 5.
The switch lower part 5 is a cylindrical member and is a member to which the end of the release wire 7 is connected. A slide groove 51 formed on the outer periphery of the switch lower part 5 and a receiving port 52 inserted and fixed in an attachment port 42 of the switch upper part 4 formed on the upper end of the switch lower part 5 are configured.
The C-shaped ring 6 has a substantially C-shape when viewed from above, and includes a slide convex portion 61 configured to project toward the inner circumferential direction in a sectional view and slide-engaged with the slide groove 51 of the switch lower portion 5, and a slide convex It is comprised from the part 61, and it is comprised from the to-be-latched part 62 comprised by projecting toward the internal peripheral direction of the cross section view latched by the latching | locking part 41 of the switch upper part 4. Moreover, the to-be-latched part 62 comprises the inclined surface 63 which inclines so that an upper surface may descend | fall toward an inner diameter direction.
The release wire 7 is a member composed of an outer tube 71, an inner wire 72, and a return spring connected to the valve body 2 and the operation unit 3, and a mechanical box 73 is provided at the end of the operation unit 3. A pin portion is formed at the two side end portions.
The outer tube 71 is a tubular tube made of a flexible material.
The inner wire 72 is composed of a metal compression coil that is provided inside the outer tube 71 so as to be freely advanced and retracted.
The pin portion is a member configured at the end portion of the inner wire 72 on the valve body 2 side, and is a part that is detachably attached to the back surface of the valve body 2.
The mechanical box 73 is a member configured at the end of the release wire 7 on the side of the operation unit 3 and is used to hold the advancement / retraction of the inner end of the inner wire 72 and is used for the advance / retraction of the core of the ballpoint pen. A locking mechanism is provided. The mechanical box 73 is detachably engaged with and fixed to the switch lower part 5. Then, the upper end of the mechanical box 73 is engaged and fixed so as to be located above the upper end surface of the switch lower portion 5.
The tube tube 9 is a tube body that connects the operation unit 3 to the drain plug 8, and the release wire 7 is inserted through the tube tube 9.

The remote-operated drain plug device configured as described above is constructed as follows.
At the factory, the tube tube 9 is connected to the lower end of the switch lower part 5 in advance, the mechanical box 73 connected to the release wire 7 is inserted into the switch lower part 5, and the mechanical box 73 is engaged and connected inside the switch lower part 5. Let me. At this time, the upper end of the mechanical box 73 is engaged and connected so as to be positioned above the upper end of the switch lower portion 5. Then, the switch upper part 4 of the operation part 3 is attached and fixed to the operation part 3 attachment part opening of the upper edge of the tank 1 in a factory. Thereby, the tank body 1 can be stacked in a factory. This is because the operation unit 3 is configured by dividing the switch upper part 4 and the switch lower part 5 so that the protrusion of the switch upper part 4 can be shortened by half compared to the conventional case, and the bathtubs can be stacked in multiple layers. Yes, it can be stocked in a small space in the factory.
At the construction site, the drain plug 8 is attached and fixed to the drain port of the tank body 1, the pin portion side of the release wire 7 is inserted from the back side of the tank body 1 into the drain plug 8, and the inside of the tank body 1 (front side) ) Take out the pin portion of the release wire 7. Thereafter, the pin portion is connected to the support portion, and the support portion is attached inside the drain plug 8. In this state, the pin portion of the release wire 7 is arranged and fixed at the central portion inside the drain plug 8. Then, as shown in FIG. 3, the slide convex portion 61 of the C-shaped ring 6 is slid and fitted into the slide groove 51 of the switch lower portion 5. At this time, it sets so that the inclined surface 63 of the to-be-latched part 62 may become upper. Then, the receiving port 52 of the lower switch portion 5 is inserted into the mounting port 42 of the upper switch portion 4 from below the upper switch portion 4 as shown in FIG. At this time, by using the mechanical box 73 positioned above the upper end of the switch lower part 5 as a guide to the attachment opening 42, the receiving opening 52 of the switch lower part 5 can be easily inserted into the attachment opening 42 of the switch upper part 4. . Further, even in an environment where it is difficult to visually recognize the back side of the tank body 1 at the site, it can be easily inserted and connected. Then, as shown in FIG. 5, the inclined surface 63 of the locked portion 62 of the C-shaped ring 6 comes into contact with the locking portion 41 of the switch upper portion 4 and the diameter of the C-shaped ring 6 increases in the outer peripheral direction. At this time, since the C-shaped ring 6 is formed with the inclined surface 63, the C-shaped ring 6 can be expanded in the outward direction by the inclined surface 63 when contacting the locking portion 41. As shown in FIG. 1, after the diameter is expanded, the locked portion 62 of the C-shaped ring 6 is locked to the locking portion 41 of the switch upper portion 4, and the switch lower portion 5 is attached to the switch upper portion 4. As a result, the receiving port 52 of the switch lower part 5 can be easily inserted into the mounting port 42 of the switch upper part 4 and can be easily inserted and connected even in an environment where it is difficult to see on the back side of the tank body 1 at the site. In this state, the arrangement of the release wire 7 becomes an appropriate place for a smooth operation, and the valve body 2 is attached to the pin portion in the drain plug 8, thereby completing the construction of the remote-operated drain plug device.

The remote-operated drain plug device constructed as described above operates as follows.
When the valve body 2 is seated on the drain plug 8 (when the valve body 2 is lowered as shown in FIG. 6A), when the operation portion 3 is operated, the inner wire 72 of the release wire 7 advances. The valve body 2 attached to the pin portion of the inner wire 72 rises. The holding mechanism of the mechanical box 73 of the release wire 7 holds the traveling state of the inner wire 72. By doing so, the rising state of the valve body 2 is maintained as shown in FIG. Thereafter, when the operation unit 3 is operated again, the inner wire 72 advances and the holding mechanism of the mechanical box 73 is released. Then, the return spring in the release wire 7 operates, and the inner wire 72 returns to the original position by the elasticity of the return spring.

The remote-operated drain plug device constructed as described above has the following drainage flow.
When the valve body 2 opens the drain plug 8, the drainage in the tank body 1 is drained from the drain plug 8 at the drain port to the sewage side. Further, the drainage from the drainage port is finally drained into sewage through a drain trap having sealed water. When the valve body 2 is lowered, water is stored in the tank body 1.

The embodiments of the present invention are as described above. However, the present invention is not limited to the above-described embodiments, and can be freely changed without departing from the gist of the invention.
For example, in the said Example, although the bathtub is used as the tank body 1, you may use for a wash bowl, for example.
In the embodiment, the mechanism for holding the mechanical box 73 is a thrust lock mechanism. However, any mechanism that can hold the inner wire 72 may be used, for example, a latch mechanism.
In the embodiment, the thrust lock mechanism is configured as the holding mechanism. However, for example, a mechanism that opens and closes the valve body 2 by an operation by pushing and pulling without providing the holding mechanism may be used.
Moreover, in the said Example, although the inclined surface 63 of the C-shaped ring 6 is comprised only in the to-be-latched part 62, the inclined surface 63 is provided also in the slide convex part 61, and a builder is conversely C-shaped ring 6 Even if it inserts, you may comprise so that it may act as the inclined surface 63. FIG. With such a configuration, construction can be performed without worrying about the insertion direction of the C-ring 6.
Moreover, although only the attachment method at the time of construction was demonstrated in the said Example, it is possible to remove the switch lower part 5 from the switch upper part 4 by removing the C-shaped ring 6 suitably. Since the C-shaped ring 6 is used, it can be easily removed, so that it can be easily attached and detached even in a narrow bathtub space for maintenance.

It is sectional drawing of the operation part of this invention. It is construction sectional drawing of this invention. It is sectional drawing of the operation part which shows the attachment state of this invention. It is sectional drawing of the operation part which shows the attachment state of this invention. It is sectional drawing of the operation part which shows the attachment state of this invention. (A) It is sectional drawing at the time of closure of the valve body of the Example of this invention. (B) It is sectional drawing at the time of opening of the valve body of the Example of this invention. It is sectional drawing which shows the operation part of a prior art example.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Tank body 2 Valve body 3 Operation part 4 Switch upper part 41 Locking part 42 Receiving port 5 Switch lower part 51 Slide groove 52 Mounting port 6 C-shaped ring 61 Slide convex part 62 Locked part 63 Inclined surface 7 Release wire 71 Outer tube 72 Inner wire 73 Mechanical box 8 Drain plug 9 Tube tube

Claims (5)

A tank body 1 having a drain opening at the bottom,
A valve body 2 disposed in the drain opening and closing the drain opening;
An operation unit 3 for remotely opening and closing the valve body 2;
A release wire 7 connected to the valve body 2 and the operation unit 3;
In the remote-operated drain plug device composed of
The operation unit 3 includes a switch upper part 4, a switch lower part 5, and a C-shaped ring 6.
Each configuration
A switch upper portion 4 that is cylindrical and includes a locking portion 41 and a mounting opening 42 in which the switch lower portion 5 is disposed.
The end of the release wire 7 is connected to the end or the inside thereof, is cylindrical, has a slide groove 51 on the outer periphery thereof, and is a receiving port fixed to the mounting port 42 of the upper switch portion 4 formed at the upper end. 52, the switch lower part 5 composed of
A slide convex portion 61 configured to have a C-shape when viewed from the top and projecting toward the inner peripheral direction of the cross-sectional view that is slidably engaged with the slide groove 51 of the switch lower portion 5, and is configured above the slide convex portion 61. A C-shaped ring 6 composed of a locked portion 62 locked to the locking portion 41 of the switch upper portion 4;
The end of the release wire 7 is provided with a mechanical box 73 that is a mechanism for holding the inner wire 72 of the release wire 7 forward and backward, and the mechanical box 73 is detachably attached to the switch lower part 5. Remote-controlled drain plug device. The locking portion 41 of the switch upper portion 4 is formed in a protruding shape on the outer peripheral surface of the switch upper portion 4, and the locked portion 62 of the C-shaped ring 6 is configured to protrude toward the inner peripheral direction in a cross-sectional view. The remote-operated drain plug device according to claim 1, wherein: The remote control type according to claim 1 or 2, wherein an inclined surface 63 is formed on an upper surface of the locked portion 62 of the C-shaped ring 6 so as to be inclined from the outer periphery to the inner periphery in a sectional view. Drain plug device. Remote controlled discharge valve device according to any one of the claims 1 to 3, characterized in that the upper end of the radio box 73 is constructed by arranging above the upper end of the switch bottom 5. The C-shaped ring 6 is previously attached to the slide groove 51 of the switch lower part 5, and the switch lower part 5 is inserted into the mounting opening 42 of the switch upper part 4, whereby the C-shaped ring 6 is expanded in diameter toward the outer peripheral direction. 5. The remote-operated drain plug device according to claim 1, wherein the switch upper portion 4 and the switch lower portion 5 are engaged and connected to each other by engaging with the locking portion 41. Construction method.

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