JPH0351417Y2 - - Google Patents

Description

[Detailed description of the invention] [Industrial field of application] Mechanisms for manually draining flush water from a low tank installed in flush toilets, etc. can be roughly divided into two types. There are two types: one that pulls up the operating rod attached to the top of the low tank. This idea is
Among the operating mechanisms described above, the present invention relates to an improvement in the latter of the drainage operating mechanisms in which the float valve is lifted up via a hanging chain by pulling up the operating rod at the top of the low tank straight up.

[Conventional technology]

FIG. 5 shows a conventional drainage operation mechanism, in which a low tank 25 is mounted on the rear upper surface of the toilet bowl 40, and by pulling up the operating rod 20 attached to the upper part of the low tank 25, a hanging chain 29 is operated. The float valve 30 is lifted up through the valve.

The operating rod 20 normally consists of a grip part 21 and a spindle 27, and a hanging chain 29 is hooked to a mounting bracket 28 attached to the lower end of the spindle 27. The structure for attaching the operating rod 20 to the low tank 25 will be explained as follows. A bracket 2 in which a through passage 24a is formed in the center of a protrusion 26 provided on the inner surface of the upper part of the low tank 25.
4 can be installed. On the other hand, a flanged sleeve 22 having a threaded portion formed on the outer peripheral surface is attached to a mounting hole 23a provided in the ceiling of the lid 23 of the low tank 25, and the flanged sleeve 22 is attached to the bracket 2.
It is screwed into the through passage 24a of No. 4. Operation rod 20
A spindle 27 is slidably inserted into the flanged sleeve 22. Note that the grip portion 21 and the spindle 27 are usually coupled by a threaded structure.

In this way, the operating rod 20 is connected to the spindle 2
7 is guided by the flanged sleeve 22 and can be moved up and down in the vertical direction. A locking step portion 27a or a locking convex portion is provided on the side surface of the spindle 27.
This restricts the upward movement range of the operating rod 20. The hanging chain 29 connected to the lower end of the spindle 27 has an appropriate amount of slack so that when the operating rod 20 is pulled up, the float valve 30 is reliably lifted up, and when the operating rod 20 is returned, the float valve 30 is securely seated. Adjusted to the length you have.

[Problem that the invention attempts to solve]

By the way, after the toilet bowl and low tank are assembled, the length of the suspension chain 29 from the connection part 29a with the operating rod 20 to the connection part 29b with the float valve 30 (hereinafter simply referred to as "the length of the suspension chain") is changed. The need may arise. In such a case, in the above-mentioned conventional drainage operation mechanism, after loosening the threaded connection between the flanged sleeve 22 and the bracket 24, the lid 23 of the low tank 25 is lifted slightly, and the drain is removed from the narrow gap formed. It is necessary to insert it and change the position at which the hanging chain 29 is attached to the mounting bracket 28. However, when there is not enough slack in the hanging chain 29, the lid 23 can only be lifted slightly, so the space for inserting the hand becomes very narrow, making length adjustment extremely difficult. Also, the grip portion 21 of the operating rod 20 is removed from the spindle 27, and the sleeve 22 is removed from the bracket 24.
It is conceivable to adjust the length of the hanging chain 29 by removing the lid 25 of the low tank after screwing it off, but this is not practical as it requires more effort.

As described above, the conventional drainage operation mechanism is very inconvenient for adjusting the length of the hanging chain after assembly.

[Means for solving problems]

The present invention was devised in view of the above-mentioned problems, and it is an object of the present invention to provide a drainage operation mechanism that allows the length of the hanging chain to be adjusted extremely easily and quickly. The present invention is characterized by a drainage operation mechanism that lifts up a float valve at the bottom of the low tank via a hanging chain by pulling up an operating rod provided at the top of the low tank, in which the operating rod has a through hole. and a cylindrical part connected to a through hole of the grip part to form a communication path, the hanging chain being inserted into the communication path of the operating rod,
A stopper having a size smaller than the diameter of the through-hole of the gripping part is attached to the hanging chain, and the stopper is fitted into the through-hole of the gripping part and formed in the through-hole. The point is that it is locked in the locking part.

[Function] The drainage operation mechanism according to the present invention forms a communication path in the operating rod, inserts a hanging chain into the communication passage, attaches a stopper to the hanging chain, and inserts the stopper into the through hole of the gripping part. The length of the hanging chain can be adjusted by simply pulling up the stopper from the through hole of the grip and changing the attachment position of the stopper to the hanging chain. Usually, there is some slack in the length of the hanging chain, so the stopper can be easily pulled up. Therefore, when adjusting the length of the hanging chain, there is no need to lift or remove the lid of the low tank as in the conventional case.

〔Example〕

Hereinafter, details of the present invention will be explained based on drawings showing embodiments.

FIG. 1 is a side view showing the right half of the operating rod 1 according to the present invention in longitudinal section. The operating rod 1 consists of a grip part 2 and a cylindrical part 3 which is screwed into the lower part of the grip part 2 in a hanging manner. A through hole 4 is provided in the center of the gripping portion 2, and a locking portion 6 is formed at a suitable position on the inner peripheral surface of the through hole 4. The locking portion 6 in this embodiment is formed to protrude from the inner circumferential surface 4a of the through hole 4 in the shape of an inner flange, and its center portion communicates with the through hole 4 and the center portion 8 of the cylindrical portion 3. It is said to be mouth 7. Therefore, by screwing the cylindrical portion 3 into the female screw portion provided at the lower part of the gripping portion 2, a communication path 10 consisting of the through hole 4 of the gripping portion 2 and the central portion 8 of the cylindrical portion 3 is formed.

The above operating rod 1 and float valve 30 (see Figure 3)
The hanging chain 9 connecting the above-mentioned operating rod 1 with the communication path 1
0 and is locked in the through hole 4 of the grip part 2 by the stopper 5. As shown in FIG. 2, when a red bean chain 9A is used as the hanging chain 9, the stopper 5 is a bottomed cylindrical member with a diameter slightly smaller than the diameter of the through hole 4. , a slit 5b having a width slightly wider than the diameter of the link 90 constituting the chain may be formed in the bottom portion 5a and side portion 5c.
The stopper 5 is attached to the hanging chain 9 by inserting a suitable link 90 into the slit 5b in the short axis direction. The links 91, 91 connected above and below the link 90 inserted into the slit 5b are never parallel to the link 90, so the upper and lower links 91, 91 never pass through the slit 5b. . Therefore, the stopper 5 is attached to the hanging chain 9, and the stopper 5 is fitted into the through hole 4 of the grip part 2 of the operating rod 1 as shown in FIG. By placing it on top, the hanging chain 9 is held at the required length.

The length of the hanging chain 9 can be changed by simply pulling up the hanging chain 9 from the through hole 4 of the operating rod 1 and changing the link 90 to which the stopper 5 is attached. Therefore, even after assembling the toilet bowl and low tank, it is extremely easy to attach the hanging chain 9.
The length can be adjusted.

Note that it is desirable that the through hole 4 of the operating rod 1 be covered with a cap 11 or the like, as shown in FIG. Furthermore, if gaskets 12 and 13 such as O-rings are attached to the upper and lower ends of the cylindrical portion 3, when the operating rod 1 attached to the sleeve 22 is moved up and down as shown in FIG. It is possible to reduce the impact when the sleeve 22 collides with the sleeve 22. moreover,
At the lower end of the cylindrical portion 3, a flange portion 14 or a protrusion for preventing slipping off is provided. This is to prevent unnecessary tension from being applied to the hanging chain 9 by restricting the upward movement distance of the operating rod 1.

By the way, the hanging chain 9 has a ball chain 9 as shown in FIG.
B is sometimes used. In this case, a stopper 5 having a structure as shown in the figure is fitted into the connecting part 93 between the balls 92 of the ball chain 9B,
In this state, it may be fitted into the through hole 4 of the operating rod 1. In addition, the stopper 5 in the same figure has an upright piece 5.
d is provided. This is to prevent the stopper 5 from tilting within the through hole 4 of the operating rod 1, and also to allow the stopper 5 to be pulled up when adjusting the chain length.

In addition to what has been described above, the present invention can be modified in various ways depending on the mode of implementation. For example, the external shape of the operating rod is of course not shown, but
It is possible to appropriately change the structure of the stopper and the locking portion to those other than those described above.

[Effect of idea]

As is clear from the above explanation, according to the present invention, the length of the hanging chain can be changed without opening the lid of the low tank. The length can be easily adjusted. Therefore, it is easy to adjust the drainage amount of the toilet flush water to an appropriate state depending on the capacity of the low tank and the type of toilet bowl.

[Brief explanation of the drawing]

Figures 1 to 4 are related to the present invention, in which Figure 1 is a side view showing the right half of the operating rod in longitudinal section, Figure 2 is a perspective view showing the structure of the stopper, and Figure 3 is a side view showing the right half of the operating rod. FIG. 4 is a partially cutaway side view showing the drain operation mechanism attached to the low tank, and FIG. 4 is a perspective view showing a stopper according to another embodiment. FIG. 5 is a partially cutaway side view showing a conventional drainage operation mechanism. 1... Operating rod, 2... Gripping part, 3... Cylinder part, 4
...through hole, 5...stopper, 6...locking part,
8...Hollow part, 9...Hanging chain, 10...Communication path, 2
5...Low tank, 30...Float valve.

Claims (1)

[Scope of utility model registration request] In a drainage operation mechanism that lifts up a float valve at the bottom of the low tank via a hanging chain by pulling up an operating rod provided at the top of the low tank, the operating rod includes a grip portion having a through hole and a A cylindrical portion is connected to the through hole to form a communicating path, the hanging chain is inserted into the communicating path of the operating rod, and a stopper having a diameter smaller than the diameter of the through hole of the gripping portion is attached to the hanging chain. A drain operation mechanism for a low tank, characterized in that the stopper is attached to a chain, and the stopper is fitted into a through hole of the grip part and locked to a locking part formed in the through hole. .