JP2574142Y2 - Remote-operated drain cock switchgear - Google Patents

Description

[Detailed description of the invention]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an improvement of a remotely operated drain cock opening / closing device used in a bathtub, a wash basin or the like.

[0002]

2. Description of the Related Art Various types of remote-operated drain cock opening / closing devices of this type have been conventionally provided, for example, as disclosed in Japanese Utility Model Publication No. 60-22147. A stopper for opening and closing a drain port is attached to the top of the support provided, and the advance / retreat operation of the operation wire by the pushing operation of the operation button of the remote control unit is directly transmitted to the support and the stopper, and the stopper is provided. 2. Description of the Related Art There is known a remote-operated drain cock opening / closing device configured to open and close a drain cock.

[0003]

In the case of the above-mentioned conventional apparatus, there is an advantage that the opening / closing of the stopper can be immediately performed by the direct transmission structure, but on the other hand, for example, a holding mechanism is provided. If the stopper is inadvertently stepped on in the state where the stopper is fixedly held in the opened state, the stepped foot may be injured, and the holding mechanism and There is a serious problem that the tip of the operation wire is damaged and the opening / closing function of the stopper is deteriorated or lost.

Further, since the operation wire is of a type in which the operation wire is moved forward and backward by pushing the operation button, there is a possibility that the operation button is unexpectedly hooked on the way during the pushing operation and the operation wire cannot be smoothly moved back and forth. In addition, there is a problem that a lock mechanism (fixed holding mechanism) having a complicated structure for keeping the stopper in the opened state and the closed state is required.

The present invention has been researched and developed with the object of solving the above-mentioned problems, and the operation wire is reliably advanced and retracted by sliding operation of a slide operation switch.
The stopper can be opened and closed smoothly, and when the stopper keeps the open state fixed, even if the stopper is inadvertently stepped on, the stopper can be smoothly and smoothly lowered. Thus, there is no danger of injuring the foot, damaging the tip of the lock mechanism (fixed holding mechanism) and the operation wire, and deteriorating or losing the opening / closing function of the stopper. It is an object of the present invention to provide a remote-operated drain cock opening / closing device whose structure is extremely simple.

[0006]

As a means for solving the above-mentioned problems and achieving the object, in the present invention, the operation wire is moved forward and backward by sliding operation of a slide operation switch of a remote operation unit, and the drain plug is moved. A remote-operated drain cock opening / closing device configured to open and close a drain cock, in which a connecting cylinder having a drain opening / closing lid attached to a top is inserted into a support cylinder provided inside the drain cylinder. At the same time, a buffer spring is provided inside the connection tube to constitute the drain plug portion, and a distal end portion of the operation wire is inserted through a lower end opening of the connection tube in the drain plug portion. We have developed and adopted a remote-operated drain cock opening / closing device with the tip facing the lower part of the buffer spring.

According to the present invention, in the remote-operated drain cock opening / closing device configured as described above, a cam member is formed below the slide operation switch, and the cam member is moved by the slide operation of the slide operation switch. And a remote-operated drain cock opening / closing device configured to advance and retreat the operation wire, and a flange protruding from a lower inner periphery of the connection tube, and a buffer spring is supported by a washer mounted on the flange. And a remote-operated drain valve opening / closing device in which the tip of the operation wire faces the lower part of the buffer spring with the washer interposed therebetween, and the plug lid is set to the open position through the operation wire by sliding operation of the slide operation switch. Developed and adopted remote-operated drain cock opening and closing devices, each of which consisted of the above-mentioned cam members with a lock mechanism for alternately fixing and holding the stopper at the closing position.

[0008]

In the remote-operated drain cock opening / closing device configured as described above, when the slide operation switch of the remote operation unit is slid, the returning spring is compressed via the cam member formed below the switch. , The operating wire is advanced, the tip of the buffer spring provided in the drain plug is pressurized, and the plug lid is indirectly pressurized via the spring to rise together with the connection tube, and the plug lid is opened. The operation wire is fixedly held at the forward position by the fixed holding action of the lock mechanism composed of the cam member, and the open state is maintained.

In order to close the stopper, the slide operation switch may be slid in the opposite direction to retract the operation wire to the original position by the returning action of the returning spring. The stopper falls by its own weight and closes the drain.

[0010]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the accompanying drawings. The remote-operated drain cock opening / closing device according to the present invention is roughly divided into a drain cock part 1, a remote operating part 2, An operation wire 3 is provided between the two parts 1 and 2.

In this embodiment, the drain plug 1 is provided at the inner central portion of a drain pipe 6 which is tightly fitted via a packing 5 between the drain of the bathtub B and the drain pipe 4. A cannula 9 which is provided with a locking member 8 which engages with the back surface of the support frame 7 via the support frame 7 and which is removably attached thereto; Support cylinder 11 provided with engaging member 10
A plug lid 12 is screwed onto the top portion which is removably fitted and supported in the support cylinder 11, and a flange 1 is
3 and a flange 1 of the connection cylinder 14
A coil-shaped buffer spring 16 is inserted into the connection tube 14 via a washer 15 placed on the top of the connection tube 3, and reference numeral 17 denotes an opening at the lower end of the connection tube 14.

Next, the remote control unit 2 is provided with a housing member 19 for a cam member, which will be described later, fitted and screwed into a cylindrical casing 18, and is slidable back and forth or left and right on the top of the housing tube 19. A slide operation switch 20 provided, a cam member 21 integrally formed on the lower surface of the slide operation switch 20, and a center mounted on an inward flange 22 provided at a lower portion of the cylindrical casing 18. Receiving seat 2 of returning spring 24 provided with through-hole 23 for operation wire 3
5, a connecting pipe 27 connected to a lower part of the cylindrical casing 18 by a nut 26, and a holding part 29 of a guide pipe 28 for the operation wire 3 provided at a lower part of the receiving seat 25.

In this embodiment, the cam member 21 is formed integrally with the lower surface of the slide operation switch 20 and has two concave and convex cam surfaces 21a and 21b.
And the inclined guide surface 2 connecting the two cam surfaces 21a and 21b.
1c, and is configured as a so-called "linear motion cam" for raising and lowering the operation wire 3 which is displaced by the returning operation 24 by the reciprocating slide operation of the slide operation switch.

The operation wire 3 is made of a steel wire such as a piano wire which is slidably moved back and forth in a flexible guide tube 28. In this embodiment, the base wire has a hemispherical shape. And engaging the engaging portion 3a with one of the cam surfaces so that the engaging portion 3a is alternately engaged with the upper and lower cam surfaces 21a and 21b of the cam member 21.
The distal end is inserted through the sleeve 9 of the drain plug 1 and the lower end opening 17 of the connecting cylinder 14, and the distal end faces the lower part of the buffer spring 16 via the washer 15. The wire 3 is inserted into the flexible tube 30 together with the guide tube 28, thus constituting a remote-operated drain cock opening / closing device.

Next, the opening and closing operation of the stopper 12 will be described based on the above embodiment. FIG. 1 shows that the stopper lid 12 is lowered and the
It shows the state that the drain port of is closed. At this time,
The engaging portion 3a provided at the base end of the operation wire 3 is
1 is engaged with the upper cam surface 21a. In this state, when the slide operation switch 20 of the remote control unit 2 is slid rightward in the figure to move the cam member 21 from the position shown in FIG. 1 to the position shown in FIG. The portion 3a escapes from the upper cam surface 21a and engages with the lower cam surface 21b while lowering the wire 3 against the returning spring 24 by the inclined guide surface 21c. As described above, when the operation wire 3 is moved downward and forward,
At its tip, a buffer spring 1 is connected via a washer 15.
6, the stopper 12 is pressed indirectly via the spring 16 and, thus, without difficulty, is raised together with the connecting tube 14, and the stopper 12 is opened as shown in FIG.

At this time, the engaging portion 3a of the operation wire 3 is
Since the locking spring is engaged with the lower cam surface 21b by the repelling action of the returning spring 24 and is locked, the operation wire 3 maintains the state of being advanced, and therefore, the stopper lid 12 is opened. Since the stopper lid 12 is fixedly held at the position, the stopper lid 12 does not descend due to its own weight, and retains the stopper state.

When the stopper lid 12 is closed, the slide operation switch 20 may be slid to the left as viewed in the drawing, and the cam member 21 may be moved from the position shown in FIG. 2 to the position shown in FIG. By this sliding operation, the engaging portion 3a of the operation wire 3 escapes from the lower cam surface 21b, and the wire 3 is raised and retracted along the inclined guide surface 21c by the restoring elasticity of the returning spring 24, and the engaging portion 3a is engaged with the upper cam surface 21a. Therefore, the stopper lid 12 is lowered by its own weight and is in a closed state as shown in FIG.

Further, if the stopper 12 is inadvertently stepped on when the stopper 12 is fixedly held in the open state, the stepping load (impact) is shown in FIG. As the buffer spring 16 contracts as described above, it is absorbed and alleviated and the stopper 12 is lowered without difficulty. Therefore, the stepped foot may be injured, or the tip of the operation wire 3 and the cam member 21 may be damaged. 12 does not deteriorate or lose its smooth opening and closing function.

Further, according to this embodiment, the sleeve 9
The connection tube 14 is detachably attached to the support tube 11 by an elastic engagement member 10 provided on the top of the support tube 11 because the connection tube 14 is detachable via the locking member 8. So I won't break out.

Although the main embodiments of the present invention have been described above, the present invention is not limited to the above-described embodiments, and various modifications can be made without departing from the gist of the present invention. Design changes are possible.

[0021]

[Effect of the Invention] Since the present invention is configured as described above, it is possible to smoothly open and close the stopper via the buffer spring by a simple operation of simply sliding the slide operation switch. At the same time, if the stopper is inadvertently stepped on when the stopper is fixed and held in the open state, the stopper can be lowered without difficulty, and the stepped foot is injured. Also, there is an excellent effect that the smooth opening / closing function of the stopper is not deteriorated or lost by damaging the tip of the operation wire and the cam member. Further, there is an advantage that it can be provided at a low cost because a complicated lock mechanism as in the related art is not required.

[Brief description of the drawings]

FIG. 1 is a partially omitted cross-sectional view showing an embodiment of the present invention in a closed state.

FIG. 2 is a partially omitted cross-sectional view in an opened state.

FIG. 3 is an explanatory diagram showing a state in which a stopper is depressed in an opened state.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Drain plug part 2 Remote operation part 3 Operation wire 3a Engagement part 4 Drain pipe 5 Packing 6 Drain cylinder 7 Support frame 8 Locking member 9 Cloth tube 10 Elastic engaging member 11 Support cylinder 12 Plug lid 13 Flange 14 Connection cylinder 15 Washer 16 Buffer spring 17 Lower end opening 18 Cylindrical casing 19 Housing cylinder 20 Slide operation switch 21 Cam member 21a Upper cam surface 21b Lower cam surface 21c Inclined guide surface 22 Inward flange 23 Through hole 24 Returning spring 25 Receiving Seat 26 Nut 27 Connecting tube 28 Guide tube 29 Holder 30 Flexible tube

Claims (4)

(57) [Scope of request for utility model registration] 1. A remote-operated drain cock opening / closing device configured to open and close a drain cock of a drain cock part by moving an operation wire forward and backward by a slide operation of a slide operation switch of a remote operation part, wherein the inside of the drain pipe is provided. In the support cylinder provided in the, a connection tube fitted with a stopper for opening and closing a drain port at the top is fitted and inserted, and a buffer spring is provided inside the connection tube to constitute the drain plug portion, A remote-operated drainage device, wherein a distal end portion of an operation wire is inserted through a lower end opening of the connection tube in the drain plug portion, and a distal end of the operation wire faces a lower portion of the buffer spring. Stopper opening and closing device. 2. The remote control type according to claim 1, wherein a cam member is formed below the slide operation switch, and the operation wire is advanced and retracted through the cam member by the slide operation of the slide operation switch. Drain tap opening and closing device. 3. A flange is protruded from the inner periphery of a lower portion of the connecting cylinder, and a buffer spring is supported by a washer placed on the flange. The tip of the operation wire is supported by the washer with the buffer spring interposed therebetween. 2. The remote-operated drain cock opening / closing device according to claim 1, wherein the drain cock opening / closing device faces a lower portion of the drain plug. 4. The lock member according to claim 2, wherein a lock mechanism for alternately fixing and holding the stopper at an opening position and a closing position via an operation wire by a slide operation of a slide operation switch is constituted by the cam member. Remote-operated drain cock opening and closing device.