JPS59668B2 - Drainage device for toilet bowl cleaning tank - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention provides the following features:
This invention relates to a drainage device for a toilet bowl cleaning tank that can clean the toilet bowl.

Conventionally, in this type of toilet cleaning tank drainage device, the tank body is made of ceramic or the like, which tends to cause variations in dimensions during tank manufacturing, and this variation in dimensions can cause problems in the mounting positions of the drain valve, operating section, etc. This may result in misalignment and make it impossible to install them, or even if they are installed, the float valve may not be able to be pulled up quickly to open the drain valve, or the valve may not open even if the float valve is pulled up. It had problems such as the opening angle being inconsistent and a constant flow rate not being ensured.

The object of the present invention is to solve the above-mentioned problems, and to enable the drain valve and operating section to be installed and to operate accurately even if there are variations in dimensions during manufacture of the tank body.

The basic structure of the present invention is that a male spline section provided at one end of the operating lever constituting the operating section is inserted into a toothed hole of the switching lever, and a fitting groove of the operating lever located on both sides of the toothed hole is inserted. The actuating lever is fixed to the switching lever so that the distance between the side wall of the tank and the other end of the actuating lever can be adjusted by locking the stopper to the switching lever.

Hereinafter, one embodiment of the present invention will be described based on the drawings.

In the figure, a is the tank body, and the bottom wall a is located at the appropriate place on the side wall a/.
An operating section C for operating the drain valve 8 and a water supply device A are attached.

Drain valve B has a float valve body 2 and a drainage channel 3 in the axial direction.
, which has a valve seat 4 on the upper edge and a valve cylinder 5 that fits into the bottom wall a of the tank a, and a protruding pipe part 7 that connects to an overflow pipe 6 is formed protrudingly in the middle of the valve cylinder 5. , the support arm 8 of the float valve body 2 is supported on the protruding shaft 7/ of the protruding pipe portion 7.

The float valve body 2 has an upper float 2a and a lower float 2b.
The lower surface of the flange 9 provided below the upper float 2a is formed as a valve seat seating surface for seating on the valve seat 4,
Float valve body 2 and flow path switching valve 1A of water supply device A, which will be described later.
It is connected to the balance weight 10 by an actuating part 11.

The operating part C includes a support 2c, a rod 1 switching lever 3c,
It is composed of an operating lever 1b and the like.

The support 2c includes a collar-shaped base plate 12 that abuts the inner surface of the side wall a/ of the tank body a, and a substantially central shaft of the base plate 12, which protrudes from the side wall a/ of the tank body a, and supports the rod 1 in the axial direction. It has a straight pipe part 14 having a guide hole 13, and a support piece part 16 which is connected to the upper peripheral edge of the base plate part 12 and bent inward of the tank body a.

The support piece 16 has a bifurcated arm 15 at its tip.

In addition, the support 2c has a sealing material 17 interposed on the back surface of the base plate 12, and the threaded portion 18 on the outer periphery of the straight pipe portion 14 is connected to the guide tube 19.
The support 2c is screwed onto the mounting cylinder 21 that protrudes from the center of the bottom plate 20 of the tank body 20, and the support 2c is attached to the side wall a/ of the tank body a to prevent it from falling off or leaking water.

The rod 1 is installed in the guide hole 13 so as to be able to reciprocate, and has a cap-shaped push button 22 at its outer end.
The ammunition 23 is mounted across the circumferential surface of the boss portion 24 at the center of the guide tube 2 and the circumferential surface of the mounting tube portion 21 of the guide tube 19.

Reference numeral 1c denotes a push button section, which consists of a push button 22, a guide tube 19, and a bullet 23.

The method of fixing the push button 22 and the rod 1 is to form the push button 22 from synthetic resin and integrally mold the push button 22 and the end of the metal rod 1, as shown in FIG. As shown, the end of the rod 1 is inserted into the small hole 24a that can be made in the boss part 24 of the push button 22, and then the rod 1 and the boss part 2 are inserted.
It may be fixed with a set screw 24b that can be inserted through 4c.

The example shown in FIG. 5 shows a method in which the push button 22 is not inserted into the guide cylinder 19, but is pushed so as to cover the outer periphery of the side wall 19a of the guide cylinder 19.

When the push button 22 is pushed against the repulsive force of the bullet 23, the push button 22 is recessed into the guide cylinder 19 using the inner peripheral surface of the side wall 19a as a guide, and the rod 1 is moved into the support 2c. slides in the guide hole 13 toward the inside of the tank body a.

Further, the rod 1 has one end attached to the boss portion 2 of the push button 22 as described above.
4, an E IJ tank drop-off prevention piece 25 that abuts the base plate 12 of the support 2c is attached to the middle part, and a bifurcated support arm 15/ is provided at the other end.

The switching lever 3c is formed in a sub-curved shape, and is interposed between the arm 15 at the tip of the support piece 16 of the support 2c and the arm 15' of the rod 1, and both are attached to a pivot 26.26. /A mounting piece 27 that can be rotatably supported on a shaft, and the mounting piece 28
The support piece 28 is bent at a right angle from the side of the upper end and is connected to the tank side wall a/ to be substantially parallel to the tank side wall a/, and supports the actuation lever 1b constituting the actuation part. The operating lever 1b is inserted into the hole 28, and a toothed hole 29 having a female spline carved on the inner circumferential surface is bored therein.

The actuation lever 1b is formed into a rod shape, and has a plurality of fitting grooves 30 carved in the circumferential direction at intervals of a width slightly larger than the thickness dimension of the support piece 28 at one end located rearward from the substantially central portion. A male spline part 31 is provided at the other end thereof, and a bent rod part 33 which is bent in a right angle direction and linked to the drain valve B is provided.

Then, the male spline portion 31 is inserted into the toothed hole 29 of the support piece 28.
The two C-shaped clasps 32 and 32 are attached from both sides to the fitting grooves 30 on the front and rear of the support piece 28, and are held on the switching lever 3c so that they cannot fall off and cannot be moved or rotated. 3
3 is positioned close to the lever portion 34 of the balance weight 10 of the flow path switching valve 1A.

In addition, when changing the operating position of the operating lever 1b, remove the clasps 32 and 32 from the fitting groove 30, and then
b in the front-back direction and insert the clasps 32, 3 into the next fitting groove 30.
2, the side wall a/ of the link body a and the actuating lever 1
The distance of the bent frame portion 33 of b can be changed stepwise.

The number of fitting grooves 30, which serve as a means for adjusting the bending frame portion 33 of the actuating lever 1b in stages, is three or more at equal intervals approximately the same as the thickness of the support piece 28. Alternatively, a plurality of pairs of grooves 30, 30 are formed at substantially the same intervals as the thickness of the support piece 28.

That is, when the male spline part 31 is inserted into the toothed hole 29, there only need to be a plurality of pairs of fitting grooves 30.degree. 30 located on both sides of the support piece 28.

The water supply device A includes an on-off valve 2A, a flow rate adjustment valve 3A, a flow path switching valve 1A, and the like.

For two on-off valves, the valve case 40 is attached to the tank body a and the bottom wall a.
It is connected to a water supply pipe 35 fixed to ", has a water supply port 36 and a water spout 37, and has a valve seat 39a formed at the top of the water supply port 36, and a circular hole 38 opened opposite to the valve seat 39a.
The valve body 39 is inserted further, and at the upper end of the valve body 39,
A support rod 4 whose midway portion is rotatably supported by an arm portion 41 that protrudes from the outer periphery of the valve case 40, and whose other end has a float 42 fixed thereto.
One end of the screw arm 44 to which the screw 3 is screwed is linked.

Therefore, the on-off valve 2A opens when the water level in the tank body a falls and the float 42 moves downward, and closes when the water level rises and the float 42 moves upward.

The flow rate adjustment valve 3A includes a main body 45, a piston valve 46, and a bullet 47.
and a lid 48, the main body 45 has an inlet 51 and an outlet 49 that communicate with the spout 37, and both the ports 51, 49
A piston valve 46 is loosely fitted into a circular hole 50 communicating with the piston valve 46, and a bullet 47 is interposed between the piston valve 46 and the lid 48.

The piston valve 46 has an annular groove 53 in the center of the outer periphery of the deep hole 52, and a through hole 54 is bored in the groove 53 so as to communicate with the annular groove 53. The side wall on the opening side is finished with an inclined surface 55.

Therefore, the water flowing in from the inlet 51 flows through the gap 5 formed by the inner peripheral surface of the main body 45 and the inclined surface 55 of the piston valve 46.
6, passes through the through hole 54 and deep hole 52 of the piston valve 46, and flows out from the outlet 49 toward the flow path switching valve 1A side.

When the pressure is high here, the piston valve 46 moves upward as the bullet 47 is compressed, reducing the area of the gap 56 and restricting the amount of outflow from the outlet 49. On the other hand, when the water pressure is low, the gap 56 narrows. The outflow rate is not restricted and therefore a regulated outflow rate can be obtained regardless of the hydraulic process.

The flow path switching valve 1 is located downstream of the flow rate adjustment valve 3A via the vacuum breaker 4A, and has a water supply pipe 57 that reaches the rim part 1D of the toilet bowl and a main pipe 58 that stores water in the tank body a. However, a balance weight 10 is provided on the outside of the main body 59 and is connected to the switching valve section to operate the switching valve section.

In the cleaning device configured as described above, when the push button 22 is pushed to move the rod 1 forward, the arm 15 of the rod 1 is moved by the pivot 26.
The additional piece 27 of the switching lever 3C supported by
6 as a fulcrum, and the support piece 28 rotates upward.

Therefore, the actuating lever 1b also rotates upward, and its bent frame portion 3
3 comes into contact with the lever part 34 of the balance weight 10 and pushes it up, causing the float valve body 2 connected to the balance weight 10 to move upward and separate from the valve seat 4, opening the drain valve B and opening the toilet bowl part. Discharge water to.

As a result, the water level of the stored water in the tank body a falls, the floats 42 of the two on-off valves lower, and water supply from the two on-off valves begins.

The water passes through the regulating valve 3A, enters the switching valve 1A at a constant flow rate, and when the push button 22 is actuated, the balance weight 10 moves upward and flows into the water supply pipe 57 leading to the rim of the switched toilet bowl.

On the other hand, the operation of the push button 22 is completed instantaneously, and at the same time as the push button 22 is released, the elastic force of the bullet 23 returns to the original state, and the operating lever 1b is also released from the lever part 34 of the balance weight 10.

After that, when most of the water stored in the tank body a has flowed out from the drain valve B, the float valve body 2 falls, sits on the valve seat 4, opens the drain valve B, and returns the balance weight 10. Accordingly, the flow path is changed by the switching valve 1A, and water is stored in the tank body a from the main pipe 58.

When a certain amount of water is stored, the float 42 moves up to open and close the valve 2.
The person's valve body 39 is pushed down and seats on the valve seat 39a, closing the two on-off valves and returning to the initial state.

Since the present invention has the above configuration, it has the following advantages.

■ The distance between the tank side wall and the other end of the operating lever is adjustable, and the operating lever is fixed to the switching lever, so even if the mounting position of the drain valve, operating section, etc. is misaligned during tank body manufacturing, the tank body can be easily adjusted. Dimensional deviations can be absorbed, these can be installed accurately, and the reciprocating movement of the rod can reliably operate the drain valve to clean the toilet bowl.

Furthermore, since there is no need to make the dimensions of the mounting positions of the drain valve, operating section, etc. on the tank body very strict, manufacturing of the tank body becomes extremely easy.

■ The drain valve is operated by the reciprocating movement of the operating section, so
Not only is it easy to operate, but once the operating lever that operates the drain valve is adjusted to the optimal position, the operating lever does not shift in the axial direction during use, making it a highly durable drainage device. It can be done.

- Since the operating lever cannot rotate relative to the switching lever, the other end of the operating lever can always be connected to the drain valve.

[Brief explanation of the drawing]

Fig. 1 is a partially cutaway front view of the tank body showing one embodiment of the drainage system for the toilet bowl cleaning tank of the present invention, Fig. 2 is a plan view of the same, and Fig. 3 is the line X-X in Fig. 2. It is an enlarged sectional view along the line, with some parts cut away, and Figures 4 and 5 are enlarged sectional views of the main parts.
FIG. 6 is an end view taken along the line Y-Y in FIG. 2, and FIG.
FIG. 1 is a perspective view showing a switching lever and an operating lever in an exploded state. In the figure, B...Drain valve, C...Operation unit, a...Tank body, a/...Bottom wall,
a"...Side wall, 1...Rod, 1b.
...Actuation lever, 2c...Support, 3c
...... Switching lever, 12... Board part,
13... Guide hole, 14... Straight pipe part,
16...Support piece part, 22...Push button, 2
6, 26/...Pivot, 27...Mounting piece, 28...Bearing piece, 29...Toothed':
fL30... Fitting groove, 31... Male spline part, 32... Clasp.

Claims (1)

[Claims] 1 Drainage of a toilet bowl cleaning tank comprising a tank body, a drain valve provided on the bottom wall of the tank body to supply flushing water to the toilet bowl, and an operating part provided on the side wall of the tank body to open the drain valve. In the device, the operating section includes a straight pipe part that penetrates the side wall of the tank and has a guide hole bored in the axial direction, and a flange-shaped base plate that is connected to the outer periphery of the inner end of the straight pipe part and comes into contact with the inner surface of the side wall. and a support piece that is connected to the upper peripheral edge of the base plate and bent inward of the tank body, and is attached to the side wall of the tank, and is attached to the guide hole so as to be able to reciprocate in the axial direction. The rod has a push button at its outer end located outside the tank body, its inner end is located inside the tank body, its lower end is attached to the inner end of the rod, and its upper end is attached to the support piece of the support. A mounting piece that is supported by a pivot at the tip, and a toothed part that is bent approximately at right angles from the side of the mounting piece, is located approximately parallel to the side wall of the tank body, and has a female spline carved therein. a switching lever having a support piece with a hole and formed in an abbreviated planar shape; a male spline portion formed in a rod shape and having an outer peripheral surface at one end engaged with the female spline; and a shaft of the male spline portion. an actuating lever having a plurality of pairs of fitting grooves carved at intervals of a width slightly larger than the thickness of the support piece in the mutual direction ζ, the other end of which is linked to the drain valve; It is equipped with two latches that lock in the grooves, and the male spline part of the operating lever is inserted into the toothed hole of the switching lever, and the latches are locked in the fitting grooves located on both sides of the support piece. do,
A drainage device for a toilet cleaning tank, characterized in that the distance between the tank side wall and the other end of the operating lever is adjustable, and the operating lever is fixed to a switching lever.