JPH053575Y2 - - Google Patents

Description

[Detailed Description of the Invention] (Field of Industrial Application) This invention relates to an improvement of a push-type low tank operating valve that is operated when flushing water in the low tank flows out into the toilet bowl body.

(Prior art and its problems) Conventionally, a toilet structure has a structure as shown in the cross-sectional view in FIG.
A valve seat 53 is installed on the bottom of the low tank 52 and communicates with a water outlet 51a opened at the rear upper surface of the toilet main body 51. A ball valve 54 made of
is closed to prevent the wash water in the low tank 52 from flowing downward.

A chain 55 is connected to the ball valve 54, and the upper end of the chain 55 is connected to one end of a rod-shaped lever 56 provided below a lid member 52a covered on the upper surface of the low tank 52. The lever bar 56 is swingable via a fulcrum 57, and the lever bar 56
A push button 58 is abutted on the other end, and the push button 58 is fixed to the substantially central portion of the lid member 52a with its upper end protruding.By pressing the push button 58 from above, , the lower end of the push button 58 presses the lever bar 56, and as the lever bar 56 rotates, the chain 5
5 is pulled up and the ball valve 54 is opened, and the cleaning water in the low tank 52 is ejected from the water outlet 51a through the valve seat part 53 onto the bowl surface 51b of the toilet bowl main body 51 to clean the dirt on the bowl surface 51b. Trap part 51c
The structure is such that the waste is discharged to the outside together with the washing water through the drain port 51d.

In addition, an overflow pipe 5 is provided in the low tank 52.
A protruding stopper 59a is integrated with the overflow pipe 59 to prevent the ball valve 54 from floating excessively upward.
A ball tap 60 equipped with a floating ball 60a is installed at the upper part of the low tank 52. A water supply pipe 61 is connected to this ball tap 60 from the outside, and the amount of water stored in the low tank 52 is increased by the floating of the floating ball 60a. is held constant.

In a toilet bowl with such a conventional structure, the bowl surface 51
In order to completely wash the feces on the bowl surface 51b, a considerable amount of washing water must flow out onto the bowl surface 51b.
It is necessary to flow a larger amount of washing water than 1a,
In order for the ball valve 54 to be open for a considerable time, the ball valve 54
For example, it is necessary to pull the ball valve 54 upward by more than 35 mm, and in order to raise the ball valve 54 to that extent, the push button 58 must be pushed downward by a considerable amount. The problem was that it was difficult.

Furthermore, in the past, the push button 58 was installed approximately in the center of the lid member 52a, so when the lever bar 56 was rotated, the chain 55 was pulled up in an inclined manner within the low tank 52, and the cleaning water was When the ball valve 54 tries to return to the toilet seat part 53 after emptying, the chain 55 is pulled diagonally with respect to the ball valve 54, so the ball valve 54 may shift from the toilet seat part 53. There was a problem in that the cleaning water did not fit into the 53, causing leakage of the cleaning water.

(Means for Solving the Problems) The present invention was devised in view of the above-mentioned conventional problems, and it is designed to spray a bulb with enough flushing water to clean the toilet bowl with a small push of the push button. The purpose is to provide a low tank operating valve that can give a predetermined amount of movement to the valve. The push button is provided with a substantially dogleg-shaped lever part whose lower end moves laterally in the horizontal direction when the push button is pressed downward, and horizontal chain insertion holes are provided above and below the lower end of the lever part, respectively. a lever frame formed by forming a lever frame; a lever frame that is suspended from the push button that is pulled by the lower end of the lever part, a part of which is bent in a horizontal and lateral direction, and can pull up a ball valve connected to the lower end; The push button is constructed of a chain that is inserted through each chain insertion hole of the frame, and a tension spring that is connected to the lower end of the lever part and always biases the push button upward.

(Function) When the user presses the push button downward after using the toilet, the lower end of the push button moves downward, and as the push button moves downward, the lever rotates, and the lower end of the lever moves horizontally. move in the direction
As the lever moves horizontally, a part of the chain is bent in the horizontal and lateral direction by the amount of movement of the lever, and the chain is pulled upward by the bent dimension.
The ball valve connected to the lower end of the chain is pulled up vertically through the chain insertion hole through which the chain is inserted, and when the ball valve is pulled up, the flushing water in the low tank flows down into the toilet bowl body. When the filth in the toilet bowl is washed out with flushing water and the push button is released, the ball valve hangs down through the chain insertion hole through which the chain is inserted, thereby closing the toilet seat.

(Example) Hereinafter, an example of the present invention will be described based on the drawings.

FIG. 1 shows a side view of the low tank operating valve installed in the low tank. In the figure, the push button 1 is installed in the center of the lid member 52a covered on the top side of the low tank with the upper end protruding. An operating section S is disposed inside the low tank on the lower surface side of the lid member 52a.

The push button 1 is arranged so as to be movable up and down in a threaded tube 2 disposed from the bottom side of the lid member 52a, and a fixing ring 3 is attached to the outer periphery of the threaded tube 2 from above. A tightening nut 4 is screwed into the fixing ring 3 from below.
Since the tightening nut 4 clamps the lid member 52a from the upper surface side of the lid member 52a and the lid member 52a from the lower surface side of the lid member 52a, the threaded tube portion 2 is firmly fixed to the lid member 52a.

Push button 1 that can move up and down inside the threaded tube 2
The slide cylinder part 1a that can move up and down along the inner circumferential surface of the threaded cylinder part 2, the pressing surface part 1c provided on the upper surface side of this slide cylinder part 1a, and the slide cylinder part 1
A substantially conical conical surface portion 1d formed at the lower end of a
and a stopper piece 1e integrally protruding outward from the slide cylinder part 1a at the upper part of the conical surface part 1d, and the upper part of the slide cylinder part 1a is covered by the pressing surface part 1c. chain storage room 1b
is formed, and a through hole 1f is provided in the center of the bottom surface of the chain storage chamber 1b. This chain storage room 1b
A considerable amount of the upper end of the chain 12 can be preliminarily stored inside, and the chain 12 of an appropriate length can be inserted into the through hole 1f.
The chain 12 can be hung vertically through a through hole formed in the center of the lower end of the conical part 1d in a more hanging shape, and the chain 12 is placed on the extension line of the axis of the push button 1.
Also, the stopper piece 1e can come into contact with the lower surface side of the support plate part 2a integrally formed at the lower end part of the threaded cylinder part 2, It is prevented from coming off upwards.

Therefore, the push button 1 has the pressing surface portion 1c.
It can be moved downward by pressing from above.

On the other hand, a plate-shaped protrusion 5 is provided vertically on the right end of the support plate portion 2a in the drawing, and a lever frame 6 is provided vertically on the left side of the support plate portion 2a in the drawing.

An upper guide piece 6a is formed at the center of the lever frame 6 and projects to the right in the figure.Furthermore, a lower guide piece 6a is formed at the lower end of the lever frame 6 to protrude to the right and is substantially parallel to the upper guide piece 6a. The guide piece 6b is integrally formed, and the left end upper surface side of the lower guide piece 6b is a concave curved portion 6c.

Further, chain insertion holes H 1 and H 2 are formed in the vertical direction in the upper guide piece 6 a and the lower guide piece 6 b, respectively, and the chain insertion holes H ₁ and _{H 2 are} located on the axial extension line of the push button ₁ . When the chain 12 is inserted into each of _{the chain insertion holes H 1 and H 2} , the chain 12 is aligned with the axis of the push button 1. The chain 12 is suspended downward on the extension line, and the chain 12 hangs vertically from the push button 1.

A lever fulcrum 7 is protruded in the shape of a shaft from the upper part of the lever frame 6, and a lever part 8 formed in a substantially dogleg shape is fixed to this shaft fulcrum 7. It is arranged so as to be able to swing through it. Lever part 8
is composed of a lever horizontal piece 8a disposed on the upper side in a substantially horizontal direction and a lever inclined piece 8b disposed on a downward slope. It has been established,
A pair of lever inclined pieces 8b are arranged so as to straddle the upper guide piece 6a, and the lower end of each lever inclined piece 8b is rotatable inwardly at the curved part 6c of the lever frame 6. Also, a roller is installed between the pair of horizontal lever pieces 8a.
R ₁ is provided, and the roller R ₁ is rotatable between the pair of horizontal lever pieces 8a. A roller _R2 is also rotatably disposed between the lower ends of the pair of lever inclined pieces 8b.

Further, a spring shaft 9 is projected from the side surface of the lever inclined piece 8b, and a tension spring 11 is disposed between the spring shaft 9 and a spring pin 10 fixed to the projection piece 5 in a projecting manner.
is provided, and the tensioning force of this tension spring 11 always pulls the lever inclined piece 8b to the right in the figure. At this time, the lever inclined piece 8b
The roller R ₂ at the lower end of is located on the right side of the chain insertion holes H ₁ and H ₂ , and the pair of lever inclined pieces 8
The chain 12 is arranged vertically, penetrating between the holes 1 and 2b. Therefore, the chain 12 hanging vertically along the axis of the push button 1 immediately enters the chain insertion hole _H1.
The chain is inserted into the chain insertion hole _H2 and hangs down, and a ball valve 13 similar to the conventional one is connected to the lower end thereof.

In the operating valve configured as described above, after using the toilet, the user presses the pressing surface 1c of the push button 1 protruding from the center of the lid member 52a from above with his or her finger, as shown by the imaginary line in the figure. Then, the conical surface portion 1d at the lower end of the push button 1 presses the lever horizontal piece 8a of the lever portion 8 downward along its inclined conical surface, and the lever portion 8 is affected by the tensile force of the tension spring 11. Against this, the lower end of the lever inclined piece 8b is rotated to the left in the figure, and the lower end of the lever inclined piece 8b is recessed into the curved part 6c of the lever frame 6. At this time, the roller _R2 installed at the lower end of the lever inclined piece 8b draws the chain 12 into the curved part 6c, and the chain 12 is bent into a dogleg shape within the curved part 6c. Chain 1 for the bent length
2 is pulled upward along the chain insertion hole _H2 , the ball valve 13 is pulled, the toilet seat 53 on the bottom side of the low tank 52 is opened, and the flushing water in the low tank 52 flows into the toilet main body 51. flowed down to.

Also, when you release your finger from pushbutton 1,
The tension force of the tension spring 11 returns the chain 12 to the original position shown by the solid line, and the chain 12 hangs down again along the chain insertion hole _H2 , and the ball valve 13 gradually descends vertically to close the toilet seat 53. and stop the washing water from flowing out.

In the operating valve of this example configured in this way,
The horizontal lever piece 8a and the inclined lever piece 8b of the lever part 8
If the lever ratio is set to 1:2, when the push button 1 is pressed, the lever inclined piece 8b will be moved by a distance twice the pushing amount of the push button 1.
The lower end portion moves laterally, and the chain 12 is pulled into the curved portion 6c, and the chain 12 is moved by a dimension corresponding to the bent portion of the chain 12 into which the chain 12 is drawn.
is pulled upward, and this bent portion of the chain 12 corresponds to twice the amount of movement of the lower end of the lever inclined piece 8b. This means that the chain 12 can be pulled up by twice the length, and the chain 12 can be pulled up by a small amount of pushing of the push button 1 compared to conventional operating valves.
The amount of lifting of the push button 1 can be increased, and the operation of the push button 1 becomes easier as the push button 1 is pushed down less.

Moreover, in this example, the chain 12 is inserted into the chain insertion hole H ₂ provided at the lower part of the lever frame 6 along the axis of the push button 1 and is hung vertically.
When the pushbutton 1 is operated, the chain 12 is vertically pulled up through the chain insertion hole _H2 by the horizontal movement of the lower end of the lever inclined piece 8b, so the ball valve 13 is moved in the vertical direction, unlike the conventional ball valve 13
Since the valve 13 is not pulled up diagonally, the ball valve 13 can be reliably seated on the toilet seat 53 when the pressing force of the push button 1 is released, and the ball valve 13 is seated well, preventing flushing water from leaking. Never.

In addition, in this example, since a considerable amount of chains can be stored in the chain storage chamber 1b of the push button 1, the pressing surface portion 1 is
By removing c and appropriately changing the length of the chain stored in the chain storage chamber 1b, the vertical length of the chain 12 can be easily adjusted. The length of the chain 12 can be adjusted and installed.

In addition, in this example, the chain ₁₂ is
At the same time, the roller R ₁
If the structure is such that a part of the chain 12 is bent even through the roller R ₁ and the roller R ₂ , the chain 12 is bent at the same time by rollers R 1 and R 2 , and the amount of bending of the chain 12 is further increased. This is something that can be reduced.

In addition, as shown in FIG. 2, a locking plate P is placed on the bottom side of the chain storage chamber 1b, and this locking plate P
A large diameter through hole _h1 and a small diameter through hole _h2 are formed in a continuous manner, and after passing the upper end of the chain 12 through the through hole _h1 , the chain 12 is supported in the through hole _h2 . As a result, the upper end of the chain 12 is well supported because the through hole _h2 has a diameter that does not allow the chain to pass through.
In addition, since this through hole _h2 is located at a position where it is joined to the through hole 1f, the chain 12 can be hung vertically from the chain storage chamber 1b. In this way, the vertical length of the chain 12 can be easily adjusted via the locking plate P.

Incidentally, FIG. 3 shows a modification of the curved portion 6c of the lever frame 6. This curved portion 6c is a lever inclined piece 8b.
It is formed into a curved shape corresponding to the rotation locus of the lever frame 6, and the movement range of the lever inclined piece 8b can be increased while the strength of the lever frame 6 is sufficiently ensured. The pulling size can be increased.

(Effect of the invention) The present invention has a push button which is attached to the upper lid member of the low tank so as to be movable up and down, and when the push button is brought into contact with the lower end of the push button and is pressed downward, the lower end of the push button is horizontal. A lever frame comprising a substantially dogleg-shaped lever part that moves laterally in the direction, and vertical chain insertion holes formed above and below the lower end of the lever part, and a lower end of the lever part. a chain that is suspended from the push button and is inserted into each chain insertion hole of the lever frame; Since it is constructed with a tension spring connected to the lower end of the lever part and always biases the push button upward, the amount of lifting of the chain is increased with a smaller amount of pushing of the push button than in the past, making it easier to drain waste from the toilet bowl. In addition to being able to flow sufficient washing water, the chains are inserted into the chain insertion holes at the top and bottom of the lever frame, so the ball valve can be pulled up vertically by operating the lever, and the operating force of the push button is reduced. When released, the ball valve descends vertically to reliably close the toilet seat, thereby preventing flush water from leaking.

[Brief explanation of the drawing]

The figure shows an embodiment of the present invention, and FIG. 1 is a partial sectional side view of the low tank operating valve in the installed state;
FIG. 2 is an enlarged sectional view of the chain storage chamber in the push button, FIG. 3 is a schematic view of the main part of the deformation of the curved part of the lever frame, and FIG. 4 is a structural diagram of a conventional toilet bowl. 1... Push button, 1a... Slide cylinder part, 1b... Chain storage chamber, 1c... Pressing surface part, 1d
... Conical surface part, 2 ... Threaded cylinder part, 6 ... Lever frame, 8 ... Lever part, 8a ... Lever horizontal piece, 8b ...
... Lever inclined piece, 11 ... Tension spring, 12 ... Chain,
13...Ball valve, _H1 , _H2 ...Chain insertion hole, _R1 , _R2 ...
…roller.

Claims (1)

[Claim for Utility Model Registration] A push button attached to the upper lid member of a low tank so as to be able to move up and down, and when the push button comes into contact with the lower end of the push button and is pressed downward, the lower end moves horizontally. a lever frame comprising a substantially dogleg-shaped lever part, and vertical chain insertion holes formed above and below the lower end of the lever part; a chain, a part of which is bent in the horizontal and lateral direction, hanging from the push button and capable of pulling up a ball valve connected to the lower end, and inserted into each chain insertion hole of the lever frame; and a lower end of the lever part. A push-type low tank operating valve comprising a tension spring connected to the push button and always urging the push button upward.