JP2019011599A - Drain valve operation device, washing water tank device and toilet system - Google Patents

Abstract

To provide the drain valve operation device capable of accurately performing a valve opening operation when switching washing mode.SOLUTION: The drain valve operation device of the present invention comprises a first connecting member 40, a second connecting member 42, a first rotary winding portion 44 and a second rotary winding portion 46, a shank part 38 and a rotative direction transducer 52, where the first cleaning mode is executed since the first rotary winding portion pulls up the first connecting member when the shank part rotates in the first direction R1, the second cleaning mode is executed since the second rotary winding portion pulls up the second connecting member when the shank part is rotated in the second direction R2, the rotative direction transducer rotates the first rotary winding portion 44 and the second rotary winding portion 46 so that a rotation direction is a same direction, and the first connecting member 40 and the second connecting member 42 are connected to each other at the same phase to the first rotary winding portion 44 and the second rotary winding portion 46, respectively.SELECTED DRAWING: Figure 5

Description

  The present invention relates to a drain valve operating device, a flush water tank device, and a toilet system, and in particular, to supply flush water to a toilet bowl by pulling up a drain valve body disposed in the flush water tank of the flush water tank device. The present invention relates to a drain valve operating device, a cleaning water tank device, and a toilet system.

  Conventionally, as described in Patent Document 1, as a drain valve operating device for opening a drain valve of a flush water tank device that supplies flush water to a toilet, an operation handle is manually moved in a single rotational direction. It is known to rotate a rotating shaft and a rotating winding member by rotating the rotating shaft. The rotary winding member winds up a single operation wire connected to the drain valve and opens the valve. In such a drain valve operating device, the large washing mode is executed when the rotation amount is relatively large according to the rotation amount of the operation handle in a single rotation direction, and the rotation amount is relatively small. The small washing mode is executed in the case.

JP 2014-190131 A JP-A-2015-196949

  However, since the large washing mode and the small washing mode are switched according to the amount of rotation of the operation handle operated by the user, the amount of operation by the user varies, the amount of lifting of the drain valve is stabilized, and the washing water is There was a problem that the discharge flow rate of the wash water from the tank device could not be stabilized.

  As described in Patent Document 2, as a drain valve operating device capable of electrically lifting a drain valve, a single common operation wire connected to the drain valve is manually lifted by a manual operation unit. There is also known a valve that can be operated by a valve and that can be opened by an electric drive unit. In such a drain valve operating device, a large washing mode in which the pulling amount of the operation wire is set large according to the rotation amount of the motor of the electric drive unit in a single rotation direction, and the pulling amount of the operation wire is largely washed. The small washing mode set smaller than the mode can be switched.

On the other hand, the inventors of the present invention, as a drain valve operating device capable of electrically pulling up the drain valve, switches the forward rotation and reverse rotation of one motor, thereby enabling a large washing mode with a simpler operation. And a switch between small washing modes. However, if such a structure is adopted, it is necessary to pull up the drain valve from the positions on both sides of the rotating shaft of the motor, respectively, and the pulling direction of the drain valve becomes oblique, so the pulling force is dispersed and the drain valve There is a problem that the amount of water to be drawn cannot be stabilized and the discharge flow rate of the washing water from the washing water tank cannot be stabilized. In addition, if it is intended to make the direction of pulling up the drain valve vertical, it is necessary to increase the number of drain valves or to increase the size of the drain valve. This causes a problem of inhibiting the miniaturization of the drain valve device and the washing water tank device.
Further, in order to switch between the large washing mode and the small washing mode by switching the forward rotation and the reverse rotation of one motor, the operation wire for the large washing mode and the operation wire for the small washing mode are respectively reversed. A winding member that winds up is required. Therefore, a space for arranging the winding member and arranging a structure for winding the operation wire from both sides of the winding member is required. Therefore, there also exists a problem that a drain valve operating device and a washing water tank device will enlarge.

  Accordingly, the present invention has been made to solve the above-described problems required in the prior art, and a drain valve operating device capable of accurately performing a valve opening operation when cleaning mode is switched, and cleaning. The object is to provide a water tank device and a toilet system.

In order to solve the above-described problem, the present invention is a drain valve operating device that starts supply of wash water to a toilet by pulling up a drain valve body portion disposed in the wash water tank of the wash water tank device. A first connecting member having one end connected to the drain valve body, a second connecting member having one end connected to the drain valve body, and a first rotation in which the other end of the first connecting member is connected. Rotating drive so as to transmit the rotation operation to the winding unit, the second rotating winding unit to which the other end of the second connecting member is connected, the first rotating winding unit and the second rotating winding unit When the shaft portion is rotationally driven in the first direction, the first rotary winding portion is rotated, and the first rotary winding portion is connected to the first connecting member and the first connecting member. The connected drain valve body is pulled up to perform toilet cleaning in the first cleaning mode using the first cleaning water amount. And when the shaft portion is rotationally driven in a second direction opposite to the first direction, the second rotary winding portion is rotated and the second rotary winding portion is connected to the second connection. The shaft portion, the first rotary winding portion, and the second rotary winding, in which the member and the drain valve body portion connected thereto are pulled up to perform toilet cleaning in the second cleaning mode by the second cleaning water amount. Rotate either the first rotary winding unit or the second rotary winding unit based on rotation in a direction opposite to the rotation direction of the shaft so that the rotation direction of the take-up unit is the same direction. The first connecting member and the second connecting member are connected to the first rotating take-up portion and the second rotating take-up portion at the same phase, respectively. Yes.
In the present invention configured as described above, the shaft portion is driven to rotate in the first direction corresponding to the first cleaning mode, and the first rotary take-up portion pulls up the first connecting member. Corresponding to the second cleaning mode, it is possible to easily switch between the case where the second rotary winding unit is driven to rotate in the second direction to pull up the second connecting member. Furthermore, since the rotation direction conversion unit can make the rotation direction of the first rotation winding unit and the second rotation winding unit the same direction, each of the first connection member and the second connection member is rotated in the first rotation. The drain valve body can be pulled up substantially vertically from the position where the winding part and the second rotary winding part are in phase.
As a result, according to the present invention, the first rotary take-up portion and the second rotary take-up portion rotate in opposite directions, and the first connecting member and the second connecting member pull up the valve body obliquely. Can be prevented. Therefore, in the present invention, when the cleaning mode is easily switched, the amount of the drainage valve body can be stabilized, the valve opening operation can be accurately performed, and the discharge rate of the cleaning water from the cleaning water tank can be stabilized. Can be made.
Further, according to the present invention, the first connecting member and the second connecting member are pulled up in the same rotational direction from the position where the first rotating winding unit and the second rotating winding unit are in phase, It is only necessary to provide a winding space for the connecting member only on the same direction side, and the drain valve operating device can be made compact.
Further, according to the present invention, the rotation direction conversion unit rotates either the first rotation winding unit or the second rotation winding unit based on the rotation in the direction opposite to the rotation direction of the shaft portion. A rotation direction conversion part is provided only in one rotary winding part, the number of parts can be suppressed to a small size, and the drain valve operating device can be made compact.

In the present invention, preferably, the shaft centers of the first rotary winding portion and the second rotary winding portion are arranged on the same straight line and in parallel with the shaft center of the shaft portion.
In the present invention configured as described above, the shaft centers of the first rotary winding unit and the second rotary winding unit may be shifted or the shaft unit in an attempt to provide the rotary winding unit on the shaft center of the shaft unit. It is possible to prevent having to make the length of the longer. Furthermore, both the first connecting member and the second connecting member can pull up the drain valve body portion from the position having the same phase on substantially the same straight line with high accuracy and substantially vertically. Further, according to the present invention, since the shaft centers of the first rotary winding unit and the second rotary winding unit are arranged on the same straight line and in parallel with the shaft center of the shaft unit, Can be prevented, and the drain valve operating device can be made compact.

In the present invention, preferably, the shaft portion includes a first gear and a second gear, the rotation direction conversion portion includes a third gear, and the first rotation winding portion includes a fourth gear, The second rotary winding unit includes a fifth gear, the first gear of the shaft unit is engaged with the third gear of the rotation direction changing unit, and the third gear is connected to the first rotary winding. The fourth gear of the take-up portion is engaged with the fourth gear, and the second gear of the shaft portion is engaged with the fifth gear of the second rotary take-up portion.
In the present invention configured as described above, since the rotation of the shaft portion is transmitted to the first rotary winding portion and the second rotary winding portion by the gear, the drain valve is operated as compared with the case where the rotation is transmitted by the cam or the like. The apparatus can be formed more compactly, and the lifting accuracy of the drain valve body can be further improved. Moreover, according to this invention, the rotational torque of a shaft part can be efficiently transmitted to a 1st rotation winding part and a 2nd rotation winding part with a gear.

In the present invention, preferably, the shaft portion includes a first gear and a second gear, the rotation direction conversion portion includes a third gear, and the first rotation winding portion includes a fourth gear, The second rotary winding portion includes a fifth gear, and the first gear of the shaft portion is engaged with the fourth gear of the first rotary winding portion, and the second gear of the shaft portion. Is engaged with the third gear of the rotational direction changing portion, and the third gear is engaged with the fifth gear of the second rotary winding portion.
In the present invention configured as described above, since the rotation of the shaft portion is transmitted to the first rotary winding portion and the second rotary winding portion by the gear, the drain valve is operated as compared with the case where the rotation is transmitted by the cam or the like. The apparatus can be formed more compactly, and the lifting accuracy of the drain valve body can be further improved. Moreover, according to this invention, the rotational torque of a shaft part can be efficiently transmitted to a 1st rotation winding part and a 2nd rotation winding part with a gear.

In this invention, Preferably, the said rotation direction conversion part is comprised by one gear.
In this invention comprised in this way, since the rotation direction conversion part is comprised by one gear, a drain valve operating apparatus can be formed more compactly. Furthermore, it is possible to minimize a reduction in the transmission efficiency of the driving force due to the gear, and it is possible to further improve the lifting accuracy of the drain valve body.

In the present invention, preferably, a support member that supports the drain valve operating device is fixed to a ceiling portion in the washing water tank.
In the present invention configured as described above, the support member that supports the drain valve operating device is used as the ceiling portion in the washing water tank even when the number of parts increases and the weight increases by the amount provided with the rotation direction conversion unit. Therefore, it is possible to suppress the malfunction of the drain valve operating device due to weight deformation.

Moreover, this invention is a washing water tank apparatus provided with the said drain valve operating device.
In the present invention configured as described above, switching between the first cleaning mode and the second cleaning mode can be easily performed, and the drainage of the cleaning water from the cleaning water tank can be achieved by stabilizing the lifting amount of the drain valve body. A washing water tank device capable of stabilizing the flow rate can be provided.

Furthermore, this invention is a toilet system provided with the said washing water tank apparatus and the flush toilet which the washing water is supplied from this said washing water tank apparatus.
In the present invention configured as described above, since the cleaning water is stably supplied from the cleaning water tank device to the toilet body, a toilet system capable of stabilizing the cleaning performance in the toilet body is provided. Can do.

  According to the drain valve operating device, the cleaning water tank device, and the toilet system of the present invention, the valve opening operation can be accurately performed when the cleaning mode is switched.

It is a general | schematic disassembled perspective view which shows the toilet system provided with the washing water tank apparatus to which the drain valve operation apparatus by one Embodiment of this invention was applied. It is a schematic front view which shows the internal structure of the washing water tank apparatus to which the drain valve operating device by one Embodiment of this invention was applied. It is a schematic front sectional view showing a standby state (valve closed state) before starting the valve opening operation of the drain valve device operated by the drain valve operating device according to the embodiment of the present invention. It is the disassembled perspective view which looked at the drain valve operating device by one Embodiment of this invention from diagonally upward at the front-end | tip part side. It is the schematic perspective view which looked at the drain valve operating device by one Embodiment of this invention from the diagonally upper part by the side of a front-end | tip part in the state which abbreviate | omitted the holder and the 1st thru | or 4th case. The exploded perspective view which looked at the shaft member, the 1st thru / or the 4th gear member, the 1st and 2nd pulley, the 1st and 2nd operation wire of the drain valve operation device by one embodiment of the present invention from the slanting upper part by the side of the base end FIG. FIG. 6 is a schematic perspective view of the drain valve operating device shown in FIG. 5 as viewed from obliquely above on the base end side in a state in which the second gear member, the second pulley, and the second operation wire are omitted. FIG. 5 is a schematic perspective view of the drain valve operating device as viewed from an obliquely upper side on the base end side in a state where the first gear member, the third gear member, the fourth gear member, the first pulley, and the first operating wire are further omitted. FIG.

  Hereinafter, a drain valve operating device according to an embodiment of the present invention will be described with reference to the accompanying drawings. First, an outline of a toilet system including a flush water tank device to which a drain valve operating device according to an embodiment of the present invention is applied will be described with reference to FIG.

As shown in FIG. 1, a drain valve operating device 1 according to an embodiment of the present invention is provided in a flush water tank device 4 that supplies flush water to a wall-mounted flush toilet 2 of a toilet system T.
The right and left sides of the flush water tank device 4 are fixed by a fixing device 6 that fixes the rear end of the flush toilet 2 of the toilet system T from the back side of the wall via the wall W1.
Further, the washing water tank apparatus 4 includes a gravity water supply type washing water tank 8 concealed in the back side area of the wall W1, and the washing water in the washing water tank 8 is flushed using gravity. The cleaning water is supplied to the toilet body 10 of No. 2. The washing water tank device 4 is a concealed washing water tank device that is concealed behind the wall W1 and the depth space in the washing water tank 8 is small and limited.

As shown in FIG. 2, a drain valve operating device 1, a water supply valve device 12, and a drain valve device 14 are provided inside the wash water tank 8 of the wash water tank device 4.
First, the water supply valve device 12 supplies a water supply pipe 16 connected to a water supply source (not shown) outside the cleaning water tank 8 such as a water supply, and discharges and stops the cleaning water supplied from the water supply pipe 16. A water supply valve 18 for switching and a float 20 that moves up and down in response to fluctuations in the water level in the cleaning water tank 8 to open and close the water supply valve 18 are provided.

  As shown in FIGS. 2 and 3, the drain valve device 14 includes a drain port forming member 21, a drain valve body 24, an overflow pipe 26, a large cleaning mode operation lever 28, a hook member 30, and a small cleaning mode. The operation lever 32 is provided.

  The drain port forming member 21 is connected to the bottom of the wash water tank 8, forms a drain port 22 on the bottom surface in the wash water tank 8, and forms a valve seat 22 a along the upper edge of the drain port 22. Yes. The drain port 22 is connected to a water conduit (not shown) of the toilet body 10 via a connecting pipe 34. The drain valve body 24 is attached in the vicinity of the lower end of the overflow pipe 26. When the overflow pipe 26 is at the lowest position, the drain valve body 24 comes into contact with the valve seat 22a to close the drain port 22. The overflow pipe 26 is slidable in the vertical direction. An operation lever 28 for the large cleaning mode is connected to the outer surface of the upper opening forming portion 26a of the overflow pipe 26. Then, during the valve opening operation in the large washing mode, the operation lever 28 is pulled up by a first operation wire 40 which will be described later so that the overflow pipe 26 and the drain valve body 24 are raised and the drain port 22 is opened. It has become.

A hook member 30 is provided below the upper opening forming portion 26 a of the overflow pipe 26. An operation lever 32 for the small cleaning mode is connected to the hook member 30.
Then, when the operation lever 32 is pulled up by a second operation wire 42, which will be described later, during the valve opening operation in the small cleaning mode, the overflow pipe 26 and the drain valve body 24 rise together with the hook member 30, and the drain port 22 is opened. It has come to be.

  That is, the overflow pipe 26, the operation levers 28 and 32, and the drain valve body 24 substantially function as a drain valve body portion. When the water level in the wash water tank 8 exceeds the upper end position of the overflow pipe 26, the excess wash water is discharged from the overflow pipe 26 into the drain port 22 that is always in communication therewith. It is like that.

  Next, a drain valve operating device 1 according to an embodiment of the present invention will be described with reference to FIGS. 2 and 4 to 6. The drain valve operating device 1 starts supply of flush water to the toilet body 10 by pulling up the drain valve body 24 arranged in the flush water tank 8 of the flush water tank device 4. In the drain valve operating device 1, the electric drive unit 36 side is the base end side, and the first pulley 44 side is the front end side.

  The drain valve operating device 1 includes an electric drive unit 36, a shaft member 38 connected to the rotation shaft of the electric drive unit 36, and a first operation wire (first output) attached to the operation lever 28 for the large washing mode. Connecting member) 40, a second operating wire (second connecting member) 42 having one end attached to the operation lever 32 for the small cleaning mode, and a first pulley 44 to which the other end of the first operating wire 40 is attached. The second pulley 46 to which the other end of the second operation wire 42 is attached, the first gear member 48, the second gear member 50, the third gear member (rotation direction converting portion) 52, and the fourth gear member. 54, a first holder 58 that fixes the electric drive unit 36 in the cleaning water tank 8, a first case 58 that arranges the electric drive unit 36 between the holder 56, and the first case 58. Gear member 48, second gear member 50, third gear member A second case 60 that rotatably supports the second and fourth gear members 54, a third case 62 that rotatably supports the second pulley 46 between the second case 60, and a third case 62 A fourth case 64 that rotatably supports the first pulley 44 and the fourth gear member 54 is provided.

The electric drive unit 36 is an electric motor, and the rotation shaft is rotationally driven by driving the electric motor with electric power. The electric drive unit 36 is electrically connected to the control unit 66 and controlled by receiving a command from the control unit 66. The electric drive unit 36 is rotated in the first direction R1 when receiving a command for opening the valve in the large cleaning mode, and in the second direction R2 when receiving a command for opening the valve in the small cleaning mode. It is designed to rotate. The electric drive unit 36 can easily switch between the valve opening operation in the large washing mode and the valve opening operation in the small washing mode by reversing the rotation direction.
The control unit 66 is disposed on an operation panel 68 provided on the wall W1. Control based on a signal transmitted by a user operating the operation panel 68 and / or a signal transmitted by a human sensor (not shown) installed around the flush toilet 2 The part 66 controls the drive of the electric motor, and the rotational drive of the electric drive part 36 is controlled.

  The shaft member 38 includes a connecting portion 38a connected to the rotating shaft of the electric drive unit 36 on the base end side, a shaft 38b extending from the connecting portion 38a toward the distal end side, and a first gear member 48 on the intermediate portion. A first protrusion 38c protruding from the shaft 38b so as to be engaged, and a second protrusion 38d protruding from the shaft 38b so as to engage with the second gear member 50 on the distal end side are provided. Such a shaft member 38 is configured to rotate together with the rotating shaft of the electric drive unit 36.

As will be described later, when the shaft member 38 is rotationally driven in the first direction R1, the first pulley 44 is rotated, and the first pulley 44 moves the first operation wire 40 and the drain valve body connected thereto. The toilet bowl is washed in the first washing mode with the first washing water amount.
When the shaft member 38 is rotationally driven in the second direction R2 opposite to the first direction R1, the second pulley 46 is rotated, and the second pulley 46 is connected to the second operation wire 42 and the drainage connected thereto. The valve body portion is pulled up to perform toilet cleaning in the second cleaning mode with the second cleaning water amount.

The first operation wire 40 is an operation wire for the large cleaning mode, and connects the operation lever 28 for the large cleaning mode and the first pulley 44. The connection between the first operation wire 40 and the operation lever 28 is disengaged from the operation lever 28 when the first operation wire 40 is raised or lowered when the first operation wire 40 is engaged with the operation lever 28 when the first operation wire 40 is raised. May be.
The second operation wire 42 is an operation wire for the small cleaning mode, and connects the operation lever 32 for the small cleaning mode and the second pulley 46. The connection between the second operation wire 42 and the operation lever 32 is disengaged from the operation lever 32 when the second operation wire 42 is raised or lowered when the second operation wire 42 is engaged with the operation lever 32 when the second operation wire 42 is raised. May be.

  The first pulley 44 is formed on the outer periphery of a cross hole portion 44a that fits into a cross-shaped fourth gear shaft portion 54b described later of the fourth gear member 54, and a fan-shaped portion that protrudes radially outward from the cross hole portion 44a. And a mounting portion 44c that fits with an end portion of the first operation wire 40 at one end of the pulley portion 44. As the first pulley 44 rotates, the pulley portion 44b of the first pulley 44 pulls up the first operation wire 40 while winding it into the groove of the pulley portion 44b along its own rotation direction. The first pulley 44 corresponds to a first rotary winding unit.

The second pulley 46 includes a fifth gear 46a that engages with the second gear member 50 on the base end side, a through hole portion 46b that is formed to penetrate the center of the second pulley 46, and a through hole portion 46b. A pulley portion 46c formed on the outer periphery of the fan-shaped portion protruding radially outward, and an attachment portion 46d fitted to the end portion of the second operation wire 42 at one end of the pulley portion 46c.
The through hole 46 b forms a circular opening larger than the outer diameter of the shaft portion of the fourth gear member 54. As the second pulley 46 rotates, the pulley portion 46c of the second pulley 46 pulls up the second operation wire 42 while winding it in the groove of the pulley portion 46c along its rotation direction. The second pulley 46 corresponds to a second rotary winding unit.

  The first gear member 48 has a first gear hollow portion 48a in which the periphery of the central hole for the shaft 38b is cut out in a fan shape on the base end side, and a first protrusion at one end of the first gear hollow portion 48a. A first gear abutting portion 48b that can abut on the portion 38c and a first gear 48c formed on the outer periphery on the tip end side thereof are provided. The first gear hollow portion 48a can pass the shaft 38b and the second protrusion 38d of the shaft member 38, and is formed to receive the first protrusion 38c. When the first protrusion 38c rotates in the first direction R1, the first protrusion 38c comes into contact with the first gear contact 48b of the first gear hollow 48a, and the first gear hollow 48a, that is, the first gear The one gear member 48 rotates in the first direction R1. When the first protrusion 38c rotates in the second direction R2, the first protrusion 38c moves in the space in the first gear hollow portion 48a, and the first gear contact portion of the first gear hollow portion 48a. Since it is not in contact with 48b, the first gear hollow portion 48a, that is, the first gear member 48 is maintained in a standby state and is not rotated. The shaft member 38 and the first gear member 48 correspond to a shaft portion.

  The second gear member 50 can contact the second gear hollow portion 50a in which the periphery of the central hole for the shaft 38b is cut out in a fan shape and the second protrusion 38d at one end of the second gear hollow portion 50a. And a second gear contact portion 50b that can be formed, and a second gear 50c formed on the outer periphery of the second gear contact portion 50b. The second gear hollow portion 50a can pass the shaft 38b of the shaft member 38, and is formed to receive the second protrusion 38d. When the second protrusion 38d rotates in the second direction R2, the second protrusion 38d contacts the second gear contact 50b of the second gear hollow 50a, and the second gear hollow 50a, that is, the second gear The two gear member 50 rotates in the second direction R2. When the second projecting portion 38d rotates in the first direction R1, the second projecting portion 38d moves in the space in the second gear hollow portion 50a and is not in contact with the second gear contact portion 50b. The second gear hollow portion 50a, that is, the second gear member 50 maintains the standby state and is not rotated. The second gear member 50 also corresponds to the shaft portion.

  The third gear member 52 includes a third gear 52a formed on the outer periphery. The third gear 52a engages with the first gear 48c and a fourth gear member 54 described later. The third gear 52a rotates the shaft member 38 so that the rotation directions of the first pulley 44 and the second pulley 46 are the same when the rotation direction of the electric drive unit 36 is reversed according to the mode. The rotation in the direction opposite to the direction is applied to either the first pulley 44 or the second pulley 46. The 3rd gear member 52 functions as a rotation direction conversion part by one gear. The rotation direction conversion unit may be configured by a plurality of gears.

  The fourth gear member 54 has a fourth gear shaft portion 54b whose cross section is formed in a cross shape from the proximal end side to the distal end portion side, and a fourth gear shaft portion 54b formed on the outer periphery on the proximal end side of the fourth gear shaft portion 54b. 4 gears 54a. The fourth gear shaft portion 54b of the fourth gear member 54 is disposed so as to penetrate the second case 60 and the third case 62, and can freely rotate between the first case 58 and the fourth case 64. So that it is supported. The fourth gear member 54 corresponds to a first rotary winding unit.

 The holder 56 and the fourth case 64 are fixed to the ceiling portion 8 a in the cleaning water tank 8. The holder 56 and the fourth case 64 correspond to a support member that supports the drain valve operating device 1.

Next, with reference to FIG. 5 and FIG.
The first gear 48 c of the first gear member 48 is engaged with the third gear 52 a of the third gear member 52. The third gear 52 a is engaged with the fourth gear 54 a of the fourth gear member 54.
The second gear 50 c of the second gear member 50 is engaged with the fifth gear 46 a of the second pulley 46.

Next, referring to FIGS. 5 and 6, the attachment position of the first operation wire 40 and the first pulley 44 and the attachment position of the second operation wire 42 and the second pulley 46 will be described.
The radius of the pulley portion 44b of the first pulley 44 and the radius of the pulley portion 46c of the second pulley 46 are formed to be the same radius. The attachment portion 44c of the first pulley 44 and the attachment portion 46d of the second pulley 46 are arranged substantially in parallel in the direction of the rotation center axis A2 in the standby state. In the standby state, the mounting portion 44c of the first pulley 44 and the mounting portion 46d of the second pulley 46 are disposed at the same rotational angle with respect to the top, so that the height and cleaning at the time of starting operation are performed. The position of the water tank 8 in the front-rear direction is substantially the same. Therefore, the connection position of the first operation wire 40 and the attachment portion 44c of the first pulley 44 and the connection position of the second operation wire 42 and the attachment portion 46d of the second pulley 46 are in the same phase. Yes. The same phase means that the rotation progress stage with respect to the top of the circumference is the same as the circumference around which the first pulley 44 and the second pulley 46 rotate.
Further, since the first operation wire 40 and the second operation wire 42 are provided on the same direction side with respect to the rotation center axis A2, the lifting space of the first operation wire 40 and the second operation wire 42 (and the operation lever 28, 32 lifting spaces) are also provided only on the same direction side with respect to the rotation center axis A2. Therefore, the drain valve operating device 1 and the washing water tank device 4 can be made compact.
Further, the axis of the first pulley 44 and the fourth gear member 54 and the axis of the second pulley 46 are arranged on the same straight line, that is, on the rotation center axis A2. The rotation center axis A2 that is the axis of the first pulley 44, the fourth gear member 54, and the second pulley 46 is the rotation center axis A1 that is the axis of the shaft member 38, the first gear member 48, and the second gear member 50. Are arranged on a parallel straight line.

Next, the operation (action) of the drain valve operating device according to the embodiment of the present invention will be described together with the operation of the drain valve device with reference to FIG. 3, FIG. 7 and FIG.
First, with reference to FIG.3 and FIG.7, operation | movement when valve opening operation of large washing mode is performed using the drain valve operating device 1 by this embodiment is demonstrated. In FIG. 7, the second gear member 50, the second pulley 46, and the like are omitted, and the shaft member 38, the first gear member 48, the third gear member 52, The operations of the fourth gear member 54, the first pulley 44, and the first operation wire 40 are schematically shown.

  First, as shown in FIG. 3, from the standby state S0 where the drain valve body 24 of the drain valve device 14 closes the drain port 22, the drain valve body 24 is operated in the large washing mode by the electric operation of the drain valve operating device 1. Open the valve with. In the standby state S0, the flush water level in the water storage tank 8 is the full water level WL0. At this time, for example, when the user instructs the toilet cleaning operation in the large cleaning mode by performing a predetermined operation on the operation panel 68 or the like, or when a human sensor (not shown) detects the user, Is transmitted to the control unit 66.

  Upon receiving a command from the control unit 66, the electric drive unit 36 operates, and the shaft member 38 is rotated in the first direction R1 around the rotation center axis A1 (see FIG. 6). The first direction R1 is a counterclockwise direction. When the first protrusion 38c of the shaft member 38 rotates in the first direction R1, the first protrusion 38c comes into contact with the first gear contact 48b of the first gear hollow 48a and the first gear hollow. The portion 48a, that is, the first gear member 48 rotates in the first direction R1. When the first gear 48c of the first gear member 48 rotates in the first direction R1, the third gear 52a of the third gear member 52 engaged with the first gear 48c rotates in the second direction R2. The second direction R2 is a clockwise direction opposite to the first direction R1. When the third gear 52a of the third gear member 52 rotates in the second direction R2, the fourth gear 54a of the fourth gear member 54 engaged with the third gear 52a is the rotation center axis A2 (see FIG. 6). Is pivoted in the first direction R1.

  When the fourth gear 54a of the fourth gear member 54 rotates in the first direction R1, the cross hole portion 44a of the first pulley 44 that engages with the fourth gear shaft portion 54b of the fourth gear member 54 is first. The pulley portion 44b is rotated in the first direction R1 around the rotation center axis A2 by being rotated in the direction R1. Therefore, the first operation wire 40 is pulled up while being wound around the groove of the pulley portion 44b as the pulley portion 44b rotates in the first direction R1.

  At this time, as shown in FIG. 7, the first operation wire 40 for the large cleaning mode is pulled up in the substantially vertical direction from the initial position of the attachment portion 44c of the pulley portion 44b. As a result, the large cleaning mode operation lever 28 connected to the first operation wire 40 is pulled up in a substantially vertical direction. The overflow pipe 26 and the drain valve body 24 of the drain valve device 14 are also required to execute toilet flushing in the large flush mode (first flush mode) by pulling up the operation lever 28 for the large flush mode in the vertical direction. The first cleaning water amount is accurately raised by a predetermined distance. When the drain valve body 24 is opened away from the valve seat 22a, drainage from the flush water drain port 22 in the flush water tank 8 to the water conduit (not shown) of the toilet body 10 is started. As shown in FIG. 3, in the large cleaning mode, the water level in the cleaning water tank 8 is the lowest water level DWL1 in the large cleaning mode. The first wash water amount that has decreased from the full water level WL0 in the wash water tank 8 to the lowest water level DWL1 is supplied from the drain port 22 to the toilet body 10 to the water conduit (not shown), and the toilet bowl is washed in the large washing mode. Is called.

  On the other hand, when the first operation wire 40 for the large cleaning mode is pulled up, the second operation wire 42 for the small cleaning mode is not operated. When the shaft member 38 is rotated in the first direction R1, the second protrusion 38d (see FIG. 6) is rotated in the first direction R1. When the second projecting portion 38d rotates in the first direction, the second projecting portion 38d moves in the space in the second gear hollow portion 50a and is not in contact with the second gear contact portion 50b. The second gear hollow portion 50a, that is, the second gear member 50 maintains the standby state and is not rotated. Therefore, the second gear member 50 is not rotated, and the fifth gear 46a of the second pulley 46 engaged with the second gear 50c of the second gear member 50 is not rotated. Accordingly, the second pulley 46 remains in the standby state, and the second operation wire 42 also remains in the standby state. Accordingly, the operation lever 32 for the small cleaning mode is not pulled up and is in a stationary state.

  Next, with reference to FIG. 3 and FIG. 8, an operation when the small cleaning mode valve opening operation is performed using the drain valve operating device 1 according to the present embodiment will be described. In FIG. 8, the first gear member 48, the third gear member 52, the fourth gear member 54, the first pulley 44, and the like are omitted and the second gear member is omitted for easy understanding of the valve opening operation in the small cleaning mode. 50 schematically shows operations of the second pulley 46 and the second operation wire 42.

  First, as shown in FIG. 3, from the standby state S0 in which the drain valve body 24 of the drain valve device 14 closes the drain port 22, the drain valve body 24 is operated in the small washing mode by the electric operation of the drain valve operating device 1. Open the valve with.

  In response to a command from the control unit 66, the electric drive unit 36 operates to rotate the shaft member 38 in the second direction R2 around the rotation center axis A1 (see FIG. 6). The second direction R2 is a clockwise direction. When the second protrusion 38d of the shaft member 38 rotates in the second direction R2, the second protrusion 38d contacts the second gear contact 50b of the second gear hollow 50a, and the second gear hollow The part 50a, that is, the second gear member 50 rotates in the second direction R2. When the second gear 50c of the second gear member 50 rotates in the second direction R2, the fifth gear 46a of the second pulley 46 engaged with the second gear 50c rotates in the first direction R1. The first direction R1 is a counterclockwise direction opposite to the second direction R2. Accordingly, the pulley portion 46c of the second pulley 46 is rotated in the first direction R1 about the rotation center axis A2. Therefore, the second operation wire 42 is pulled up while being wound around the groove of the pulley portion 46c as the pulley portion 46c rotates in the first direction R1.

  At this time, as shown in FIG. 8, the second operation wire 42 for the small cleaning mode is pulled up substantially vertically from the initial position of the attachment portion 46d of the pulley portion 46c. Thereby, the operation lever 32 for the small cleaning mode connected to the second operation wire 42 is pulled up substantially in the vertical direction. By pulling up the operation lever 32 for the small washing mode in the vertical direction, the overflow pipe 26 and the drain valve body 24 of the drain valve device 14 are also necessary for executing toilet flushing in the small washing mode (second washing mode). The second cleaning water amount is accurately raised by a predetermined distance that can be supplied. When the drain valve body 24 is opened away from the valve seat 22a, drainage from the flush water drain port 22 in the flush water tank 8 to the water conduit (not shown) of the toilet body 10 is started. As a result, in the small washing mode, toilet cleaning is performed in the small washing mode with the second washing water amount smaller than the first washing water amount in the large washing mode. As shown in FIG. 3, in the small cleaning mode, the water level in the cleaning water tank 8 is the lowest water level DWL2 in the small cleaning mode. The amount of the second wash water that has dropped from the full water level WL0 to the lowest water level DWL2 in the wash water tank 8 is supplied from the drain port 22 to the toilet body 10 to the water conduit (not shown), and the toilet bowl is washed in the small washing mode. Is called.

  On the other hand, when the second operation wire 42 for the small cleaning mode is pulled up, the first operation wire 40 for the large cleaning mode is not operated. When the shaft member 38 is rotated in the second direction R2, the first protrusion 38c (see FIG. 6) is rotated in the second direction R2. When the first protrusion 38c rotates in the second direction R2, the first protrusion 38c moves in the space in the first gear hollow portion 48a and does not contact the first gear contact portion 48b. Therefore, the first gear hollow portion 48a, that is, the first gear member 48 maintains the standby state and is not rotated. Accordingly, the first gear member 48 is not rotated, and the third gear 52a of the third gear member 52 that is engaged with the first gear 48c of the first gear member 48 is also not rotated. Further, the fourth gear 54a of the fourth gear member 54 engaged with the third gear 52a is not rotated. Accordingly, the fourth gear member 54 and the first pulley 44 remain in the standby state, and the first operation wire 40 also remains in the standby state. Therefore, the operation lever 28 for the large cleaning mode is not pulled up and is in a stationary state.

In the drain valve operating device 1 according to the present embodiment, the first gear member 48 and the second gear member 50 are attached to the shaft member 38, and the first gear member 48 is connected to the fourth gear member 54 via the third gear member 52. The second gear member 50 is engaged with the fifth gear 46 a of the second pulley 46.
However, as a modification, the first gear member 48 and the second gear member 50 are attached to the shaft member 38, the first gear member 48 is engaged with the fourth gear member 54, and the second gear member 50 is the third gear. The rotation may be transmitted to the fifth gear 46 a of the second pulley 46 via the member 52. More specifically, the first gear 48 c of the first gear member 48 is engaged with the fourth gear 54 a of the fourth gear member 54, and further, the second gear 50 c of the second gear member 50 is engaged with the third gear member 52. The third gear 52 a is engaged with the fifth gear 46 a of the second pulley 46. Even when such a configuration is adopted, the third gear member 52 allows the first pulley 44 and the second pulley 46 to rotate in the same direction. Even when such a structure is adopted, the connection position of the first operation wire 40 and the attachment portion 44c of the first pulley 44, and the connection position of the second operation wire 42 and the attachment portion 46d of the second pulley 46 are Are in the same phase.

According to the drain valve operating device 1 according to the embodiment of the present invention described above, the shaft portion is rotationally driven in the first direction R1 corresponding to the first cleaning mode, and the first pulley 44 pulls up the first operating wire 40. Switching between the case and the case where the shaft portion is rotationally driven in the second direction R2 corresponding to the second cleaning mode and the second pulley 46 pulls up the second operation wire 42 can be easily performed. Furthermore, since the third gear member 52 can rotate the first pulley 44 and the second pulley 46 in the same direction, the first operation wire 40 and the second operation wire 42 are respectively connected to the first pulley 44. And the drain valve body part can be pulled up almost vertically from the position where the second pulley 46 is in the same phase.
As a result, according to the present invention, the first pulley 44 and the second pulley 46 rotate in opposite directions, and the first operation wire 40 and the second operation wire 42 pull the valve body obliquely. Can be prevented. Therefore, in the present invention, when the washing mode is easily switched, the amount of the drainage valve body can be stabilized, the valve opening operation can be accurately performed, and the discharge flow rate of the washing water from the washing water tank 8 can be reduced. It can be stabilized.
Furthermore, according to the present invention, since the first operation wire 40 and the second operation wire 42 are pulled up in the same rotational direction from the position where the first pulley 44 and the second pulley 46 are in the same phase, the same direction It is only necessary to provide a space for winding up the connecting member only on the side, and the drain valve operating device 1 can be made compact.
Further, according to the present invention, the third gear member 52 rotates either the first pulley 44 or the second pulley 46 based on the rotation in the direction opposite to the rotation direction of the shaft portion. The third gear member 52 is provided only in the winding part, and the number of parts is suppressed to be small, so that the drain valve operating device 1 can be made compact.

  In addition, according to the drain valve operating device 1 according to the present embodiment, the shaft centers of the first pulley 44 and the second pulley 46 are displaced due to the provision of the rotary winding portion on the shaft center of the shaft portion. It is possible to prevent having to make the length of the longer. Furthermore, both the first operation wire 40 and the second operation wire 42 can pull up the drain valve body portion from the position where the phase is substantially the same on the same straight line with a high degree of accuracy. Further, according to the present invention, since the shaft centers of the first pulley 44 and the second pulley 46 are arranged on the same straight line and in parallel with the shaft center of the shaft portion, the length of the shaft portion is increased. This can be prevented and the drain valve operating device 1 can be made compact.

  Furthermore, according to the drain valve operating device 1 according to the present embodiment, since the rotation of the shaft portion is transmitted to the first pulley 44 and the second pulley 46 by the gear, the drain valve operation is compared with the case where the rotation is transmitted by a cam or the like. The apparatus 1 can be formed more compactly, and the lifting accuracy of the drain valve body can be further improved. Further, according to the present invention, the rotational torque of the shaft portion can be transmitted to the first pulley 44 and the second pulley 46 with high transmission efficiency by the gear.

  Further, according to the drain valve operating device 1 according to the present embodiment, since the rotation of the shaft portion is transmitted to the first pulley 44 and the second pulley 46 by the gear, the drain valve operation is compared with the case where the rotation is transmitted by a cam or the like. The apparatus 1 can be formed more compactly, and the lifting accuracy of the drain valve body can be further improved. Further, according to the present invention, the rotational torque of the shaft portion can be transmitted to the first pulley 44 and the second pulley 46 with high transmission efficiency by the gear.

  Furthermore, according to the drain valve operating device 1 according to the present embodiment, since the third gear member 52 is configured by one gear, the drain valve operating device 1 can be formed more compactly. Furthermore, it is possible to minimize a reduction in the transmission efficiency of the driving force due to the gear, and it is possible to further improve the lifting accuracy of the drain valve body.

  Furthermore, according to the drain valve operating device 1 according to the present embodiment, the support member that supports the drain valve operating device 1 is cleaned even when the number of parts increases and the weight increases by the amount provided with the third gear member 52. Since it fixes to the ceiling part 8a in the water tank 8, it can suppress that the drain valve operating device 1 becomes malfunctioning by weight deformation.

  Furthermore, according to the drain valve operating device 1 according to the present embodiment, switching between the first cleaning mode and the second cleaning mode can be easily performed, and the amount of lifting of the drain valve body portion is stabilized, so that the cleaning water tank 8 It is possible to provide the cleaning water tank device 4 that can stabilize the discharge flow rate of the cleaning water.

  Furthermore, according to the drain valve operating device 1 according to the present embodiment, since the supply of cleaning water from the cleaning water tank device 4 to the toilet body 10 is stably performed, the cleaning performance in the toilet body 10 can be stabilized. A toilet system T that can be provided can be provided.

DESCRIPTION OF SYMBOLS 1 Drain valve operation apparatus 2 Flush toilet 4 Wash water tank apparatus 8 Wash water tank 8a Ceiling part 10 Toilet body 14 Drain valve apparatus 24 Drain valve body 26 Overflow pipe 28 Operation lever 32 Operation lever 38 Shaft member 40 First operation wire 42 Second operation wire 44 First pulley 46 Second pulley 46a Fifth gear 48 First gear member 50 Second gear member 52 Third gear member 54 Fourth gear member 66 Control unit 68 Operation panel R1 First direction R2 Second direction T toilet system

Claims (8)

A drainage valve operating device for starting the supply of flushing water to the toilet by pulling up the drainage valve body arranged in the flushing water tank of the flushing water tank device,
A first connecting member having one end connected to the drain valve body,
A second connecting member having one end connected to the drain valve body,
A first rotary winding unit to which the other end of the first connecting member is connected;
A second rotating take-up unit to which the other end of the second connecting member is connected;
A shaft portion that is rotationally driven to transmit a rotational motion to the first rotary winding portion and the second rotary winding portion, and the shaft portion is rotated in the first direction; The first rotary winding unit is rotated, and the first rotary winding unit pulls up the first connecting member and the drain valve body connected to the first connecting member to perform toilet cleaning in the first cleaning mode by the first cleaning water amount. And when the shaft portion is rotationally driven in a second direction opposite to the first direction, the second rotary winding portion is rotated and the second rotary winding portion is connected to the second connection. The shaft part, in which the toilet flushing in the second washing mode is performed by pulling up the member and the drain valve body part connected thereto, and the second washing water amount;
Either the first rotary winding portion or the second rotary winding portion is connected to the shaft portion so that the rotation direction of the first rotary winding portion and the second rotary winding portion is the same direction. A rotation direction converter that rotates based on rotation in a direction opposite to the rotation direction of
The drain valve operating device, wherein the first connecting member and the second connecting member are connected to the first rotary winding unit and the second rotary winding unit, respectively, at the same phase.   The drain valve operating device according to claim 1, wherein the shaft centers of the first rotary winding unit and the second rotary winding unit are arranged on the same straight line and in parallel with the shaft center of the shaft unit. The shaft portion includes a first gear and a second gear,
The rotation direction conversion unit includes a third gear,
The first rotary winding unit includes a fourth gear,
The second rotary winding unit includes a fifth gear,
The first gear of the shaft portion is engaged with the third gear of the rotational direction conversion portion, and the third gear is engaged with the fourth gear of the first rotary winding portion,
The drain valve operating device according to claim 1 or 2, wherein the second gear of the shaft portion is engaged with the fifth gear of the second rotary winding portion. The shaft portion includes a first gear and a second gear,
The rotation direction conversion unit includes a third gear,
The first rotary winding unit includes a fourth gear,
The second rotary winding unit includes a fifth gear,
The first gear of the shaft is engaged with the fourth gear of the first rotary winding unit,
The second gear of the shaft portion is engaged with the third gear of the rotation direction conversion portion, and the third gear is engaged with the fifth gear of the second rotary winding portion. Or the drain valve operating device of 2.   The drain valve operating device according to claim 3 or 4, wherein the rotation direction conversion unit is configured by a single gear.   The drain valve operating device according to any one of claims 1 to 5, wherein a support member that supports the drain valve operating device is fixed to a ceiling portion in the washing water tank.   A washing water tank device comprising the drain valve operating device according to any one of claims 1 to 6. The washing water tank apparatus according to claim 7,
A toilet system comprising: a flush toilet to which washing water is supplied from the washing water tank device.

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