JPH0752214Y2 - Automatic toilet cleaning device - Google Patents

Description

[Detailed Description of the Invention] [Industrial field of application] The present invention is designed to pull up a float valve via an electric drive means such as a rotary solenoid or a motor and a manual operation handle to wash water for the toilet body. The present invention relates to an automatic toilet bowl cleaning device for controlling supply / interruption.

[Conventional technology]

An example of the conventional automatic cleaning device using this kind of electric drive means is as shown in the longitudinal sectional view of FIG. 9 and the enlarged perspective view of the main part of FIG. As shown in the figure, in the conventional automatic cleaning apparatus 1, the rotary solenoid 3 is installed on the inner wall surface side of the cleaning tank 2, and the manual operation handle 4 is attached to the wall surface of the cleaning tank 2 while penetrating the wall surface. Is attached. The reason for providing the manual operation handle 4 is to consider that the float valve 5 is pulled up by manual operation and the toilet bowl is washed without using an electric drive means in the event of a power failure or failure of the rotary solenoid 3. It was done. Thus, the rotary solenoid 3 and the manual operation handle 4 are connected to the float valve 5 via levers 3a and 4a and a chain 6 branched into a Y-shape, respectively.
The chain 6 is in a normal state (non-use state), and its length is set so as to have some bending. This is because if the length dimension of the chain 6 is set tightly in a tight state, the float valve will rise even if the operating handle 4 is slightly touched, and wasteful toilet cleaning is performed carelessly. This is to prevent

Further, conventionally, an automatic toilet bowl cleaning device 11 as shown in FIG. 11 is known. The automatic cleaning device 11 is applied to, for example, a double-tank toilet including an external tank 12 made of ceramics and an internal tank 13 made of resin. In this conventional example, rotary solenoids are installed in the tanks 12 and 13 inside and outside.
The 14 and the manual operation handle 15 are integrated. That is, the rotary solenoid 14 is attached to the outer surface of the upper portion of the inner tank 13, and the manual operation handle 15 is attached to the outer surface of the outer tank 12 at a position coaxial with the rotary solenoid 14. Then, the spindle shaft of the rotary solenoid 14 and the shaft of the manual operation handle 15 are combined into one, and one end of the chain 16 is connected to the lever of the spindle shaft inside the internal tank 13 and the other end is connected. The side is connected to the float valve 17.

[Problems to be solved by the device]

However, in the prior art shown in FIGS. 9 and 10, the manual operation handle 4 and the rotary solenoid 3 are provided.
And the float valve 5 are connected by a Y-shaped chain 6,
Moreover, the chain 6 is set to a length with some allowance and is bent. Therefore, when the rotary solenoid 3 is turned on and the float valve 5 is pulled up, the Y-shaped chain 6 may be entangled or disengaged particularly at the branched portion. Further, when the pulling operation is performed in the entangled state, the chain 6 may be broken. Therefore, the float valve 5 is separated from the valve seat 7 and the cleaning water is still flowing, resulting in wasteful cleaning, or even if the float valve 5 is pulled up, the float valve 5 cannot be pulled up. There was a problem.

Further, in the conventional technique shown in FIG. 11, the rotary solenoid 14 and the manual operation handle 15 are provided inside and outside the tank 12 and
Since it is attached to 13, ball tap 18 and floating ball 19
In addition, the manual operation handle 15 had to be removed when inspecting the float valve 17 and the like, which was extremely troublesome. In addition, the rotary solenoid 14 and the manually operated handle 15 must be arranged on one axis in the inner and outer tanks 12 and 13. Since the outer tank 12 is usually made of earthenware, it has a thermal expansion / contraction behavior during firing, and it is impossible to uniformly set the dimensional accuracy. Therefore, the position of the mounting hole 17 of the manual operation handle 15 varies,
In order to align the mounting hole 17 with the axis of the rotary solenoid 14 of the internal tank 13, the manual operation handle 15
It was necessary to previously increase the diameter of the mounting hole 17 of. Therefore, there is also a problem that the external appearance becomes poor. Furthermore, in the conventional automatic cleaning device 11, since the shafts of the rotary solenoid 14 and the manual operation handle 15 are integrally connected, the rotary solenoid 14 is electrically turned ON to perform automatic cleaning. When doing
The manual operation handle 15 operates integrally, and there are drawbacks such that the user feels uncomfortable and uncomfortable.

[Means for Solving the Problems]

The present invention is an improvement of the conventional automatic cleaning device in view of the above-mentioned problems, and the automatic cleaning device has a single chain and can set an operation handle portion at an arbitrary position. It is intended to provide a cleaning device.

Thus, the means adopted by the present invention to solve the above-mentioned problem is to supply the flush water to the toilet body side by pulling up the float valve using an electric drive means such as a rotary solenoid and a manual operation handle. An automatic cleaning device for controlling shutoff, wherein a cam is connected to a spindle shaft of the electric drive means, and the cam forms a through hole having a predetermined space area with respect to the spindle shaft and is loosely engaged. The push-pull cable is housed in a cam case that is mounted in a state, and a push-pull cable is connected through a rotating member fitted to the cam case and the manually operated handle shaft. Is rotated in the space area, and when the manual operation handle is operated, the cam case is rotated by the transmission force via the push-pull cable and the cam is simultaneously operated. It is rotated.

[Action]

When an electric drive means such as a rotary solenoid is turned on, a lever attached to the tip end side of the spindle shaft integrally rotates, and a float valve is pulled up via a chain,
Start toilet cleaning. In that case, the cam attached in the middle of the spindle shaft rotates in the space area formed in the cam case, and the rotation operation of the spindle shaft is not transmitted to the manual operation handle.

When the manual operation handle is rotated, the cam case mounted in a loosely fitted state on the spindle shaft of the electric drive means is rotated via the push-pull cable. The cam case rotates with a cam fixedly attached to the spindle shaft being integrally locked. Therefore, the spindle shaft also rotates integrally, the float valve is pulled up in the same manner as in the case of the above-described automatic cleaning, and the toilet cleaning is started.

〔Example〕

The structure of the present invention will be described below with reference to the embodiments shown in the drawings.

FIG. 1 is an exploded perspective view showing a float valve operating mechanism portion of an automatic cleaning device 21 according to an embodiment of the present invention, and FIG. 2 is a front view thereof. As shown in the figure, in this embodiment, a rotary solenoid 22 and a manual operation handle 23 are provided, and the operation force by the manual operation handle 23 is applied to a remote operation mechanism 24.
Is transmitted to the spindle shaft 25 of the rotary solenoid 22.

The remote control mechanism 24, as shown in FIGS. 2 to 4, comprises an operation section 26, a push-pull cable 27, and a drive section 28.
The operation unit 26 is configured such that a rotating plate (disk 31) that fits in a serration with a manually operated handle shaft 29 is rotatably housed in an outer shell 32, and a part of the peripheral side surface of the disk 31 is provided. One end side of the inner cable 33 of the push-pull cable 27 is attached. Further, the drive unit 28 has a cam case 34 externally fitted and attached to the spindle shaft 25 of the rotary solenoid 22, and the cam case 34 is rotatably mounted in the outer shell body 35. The cam case 34 has a through hole 36 to form a predetermined space area between the cam case 34 and the spindle shaft 25 of the rotary solenoid 22, and a small diameter step portion 37 is arranged opposite to the inner surface side thereof. Further, the cam case 34 is biased in one circumferential direction by a not-shown torsion spring or the like.
Furthermore, the other end of the inner cable 33 is attached to a part of the peripheral side surface of the cam case 34.

By the way, the outer shell 35 accommodating the cam case 34 is inserted into long bolts 38, 38 attached to one end face side of the rotary solenoid 22 and fixed by nuts 39, 39 (second). (See Figures and 3). In this state,
As shown in FIGS. 5 and 6, a cam 40 fixed to the spindle shaft 25 of the rotary solenoid 22 is rotatably disposed in the through hole 36 of the cam case 34. The cam 40 has a large diameter portion 41 that fits on the inner peripheral surface of the through hole 36 and a small diameter portion 42 that fits on the inner peripheral surface of the small diameter stepped portion 37 of the through hole 36. 41 is a small-diameter step portion 37, 37 of the through hole 36
It can rotate freely in the space between them (see Fig. 2). Moreover, the outer shell body 35 accommodating the cam case 34 can have the same diameter as the rotary solenoid 22, and the axial length can be made extremely short. Therefore, the rotary solenoid 22 and the drive unit 28 can be made compact as a whole.

Thus, in this embodiment, as shown in FIGS. 1, 7, and 8, the rotary solenoid 22 is arranged on the step portion 44 formed on the upper outer surface of the internal tank 43 made of resin, and the spindle shaft 25 is attached to the inside of the internal tank 43 so as to penetrate therethrough. A lever 45 is fixed to the tip end side of the spindle shaft 25 inside the internal tank 43. This lever 45 has a chain 49 connected to the float valve (see FIG. 7).
One end side of is attached.

On the other hand, the operating portion 26 of the remote control mechanism 24 is attached to the upper surface side of the rear portion of the toilet body 46, as shown in FIGS. 7 and 8. Then, the manual operation handle 23 has its operation shaft 29
Is attached to the disc 31 of the operating portion 26 by serration fitting through a U-shaped groove 48 formed on the lower end surface side of the external tank 47 made of earthenware or the like. Therefore, in this embodiment, the manual operation handle 23 can be attached independently of the external tank 47 made of earthenware or the like. Therefore, during maintenance of the float valve, ball tap, etc., the external tank 47
It is only necessary to remove the one and it is extremely easy to do. That is, as in the past, a manually operated handle
It is not necessary to remove 23 each time.

Next, an operation mode of the automatic cleaning device 21 configured as described above will be described.

First, a case where automatic cleaning is performed using the rotary solenoid 22 will be described. The automatic cleaning is performed by operating a switch provided at an arbitrary position to turn on (excite) the rotary solenoid 22. This makes its spindle shaft 25
Rotates by a predetermined angle. In that case, the cam 40 fixedly mounted on the spindle shaft 25 is freely rotatable in a region where the large diameter portion 41 is between the small diameter stepped portions 37, 37 of the cam case 34. That is, the cam 40 independently rotates in the free space area of the cam case 34. Therefore, during this automatic cleaning, the cam case 34 and the push-pull cable 27 do not move at all, and the manual operation handle 23 does not rotate.

By the way, the rotation of the spindle shaft 25 causes the float valve to be pulled up via the lever 45 and the chain 49. As a result, the stored water in the internal tank 43 flows out to the toilet body 46 side, and the toilet cleaning is started. After that, the spindle shaft 25 is automatically rotated and returned by the weight of the lever 45 and the chain 49. When the water level of the stored water in the internal tank 43 drops in this way, the floating ball operates in accordance with the drop in the water level, opens the ball tap, and starts supplying makeup water into the tank. However, in this state, the amount of washing water flowing out to the toilet body 46 side is much larger than the amount of makeup water, so the water level in the tank further decreases.

Then, when the float valve approaches a predetermined distance from the toilet seat due to the drop in water level, the force of drawing the wash water flowing out to the toilet body 46 side acts on the float valve, and the float valve suddenly seats on the valve seat. . That is, the supply of washing water to the toilet body 46 side is stopped. After that, the water level in the tank is restored to a predetermined level by the makeup water from the ball tap. Due to this recovery of the water level, the floating ball closes the ball tap and stops the supply of makeup water into the tank. The basic operations of the floating ball, ball tap and float valve are the same as in the conventional case.

The above is one cycle of automatic cleaning by the rotary solenoid 22. After that, the above operation may be repeated to automatically clean the toilet bowl.

Next, manual toilet cleaning performed when a power failure or a failure of the rotary solenoid 22 occurs will be described. Manual toilet cleaning is performed by rotating the manual operation handle 23. As a result, the disc 31 of the operation unit 26 of the remote control mechanism 24 is
Is rotated, and the cam case 34 of the drive unit 28 is rotated via the inner cable 33. The rotation of the cam case 34 causes the small diameter step portion 37 to be engaged with the large diameter portion 41 of the cam 40, so that the cam 40 is integrally rotated, and eventually the spindle shaft 25 of the rotary solenoid 22 is rotated. It comes to rotate. As a result, the float valve is pulled up via the lever 45 and the chain 49, and the rotary solenoid
Toilet bowl cleaning is performed as in the case of automatic cleaning with 22.

Thus, when the manual operation handle 23 is released after the toilet cleaning is started, the cam case 34 is automatically rotated and returned to the original state under the urging force of a torsion spring or the like (not shown). As a result, the manual operation handle 23 is also returned to rotate via the inner cable 33 and the disc 31. After that, the above operation may be repeated to manually wash the toilet bowl.

By the way, the present invention is not limited to the above-described embodiment, and for example, the rotary solenoid 22 may be a motor that rotates by a predetermined angle, or other electric drive means.

[Effect of device]

As described above, according to the present invention, automatic cleaning and manual cleaning can be performed, and in the case of automatic cleaning, the cam connected to the spindle shaft of the rotary solenoid or the like has only a predetermined space area. It is possible to rotate the cam by rotating the spindle shaft by rotating the manual operation handle without moving to the manual operation handle. Therefore, good coordination between automatic cleaning and manual cleaning is possible. Can be kept at Therefore, the chain is not entangled, disengaged, or easily cut when the toilet bowl is automatically washed or manually washed. In addition, the manual operation handle can be installed at any position, and it can be completely separated from the external tank made of pottery, etc., so it is sufficient to remove only the external tank when performing maintenance such as ball taps and float valves. Maintenance and inspection work is extremely easy.
Furthermore, since it is not necessary to align the axes of the mounting holes of the inner tank and the outer tank as in the conventional case, it is possible to roughly manufacture an outer tank made of earthenware or the like, which is convenient in manufacturing.

[Brief description of drawings]

1 to 8 relate to an embodiment of the present invention. FIG. 1 is an exploded perspective view of a cleaning operation mechanism portion, and FIG. 2 is an overall view when a remote operation mechanism is incorporated into a rotary solenoid. The front view shown in FIG. 3, FIG. 3 is a sectional view taken along the line AA of FIG.
4 is a front view showing the entire remote control mechanism, FIG. 5 is a side view of the rotary solenoid, FIG. 6 is the same front view, and FIG.
The figure is a partial vertical cross-sectional front view showing a state in which the automatic cleaning device is attached to the toilet, FIG. 8 is a vertical cross-sectional side view of the same portion, and FIGS. 9 and 10 show an example of the prior art. FIG. 9 is a vertical sectional view showing the entire automatic cleaning device, FIG. 10 is a perspective view showing the operating mechanism portion, and FIG. 11 is a vertical sectional view showing the entire automatic cleaning device showing another example of the conventional technique. . 21 …… Automatic cleaning device 22 …… Rotary solenoid 23 …… Manual operation handle 24 …… Remote operation mechanism 25 …… Spindle shaft 27 …… Push-pull cable 34 …… Cam case 40 …… Cam

Claims (1)

[Scope of utility model registration request] 1. An automatic cleaning device for controlling the supply / cutoff of cleaning water to the toilet body by pulling up a float valve using an electric drive means such as a rotary solenoid and a manual operation handle. A cam is connected to a spindle shaft of the electric drive means, and the cam is housed in a cam case that is mounted in a loose state by forming a through hole having a predetermined space area with respect to the spindle shaft. A push-pull cable is connected through a rotating member fitted to a manually operated handle shaft, and when the electric drive means is operated, the cam is rotated in a space area so that the manually operated handle operates. In this case, the cam case is rotated by the transmission force via the push-pull cable and the cam is simultaneously rotated. .