JPH09215633A - Implement for releasing drain port of flush toilet stool from choking - Google Patents

Abstract

PROBLEM TO BE SOLVED: To clean the drain path of a stool easily with small labor by providing the subject implement with a check valve for removing negative pressure generated in a cup when the cup is pulled up. SOLUTION: This cleaning implement is provided with a hemispheric cup 11 made of a soft elastic material and opened at the lower surface. An operating rod 18 having a predetermined length is constituted to be connected to the top of the cup 11. An air path A communicating through the axial part of the operating rod 18 with the outside from the inner surface of the top of the cup 11 is formed. The air path A is provided with a check valve 20 for blocking air flow from the inside to the outside of the cup 11, while allowing the air flow from the outside to the inside of the cup 11.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a clogging release tool for releasing a clogging of a flush toilet bowl when the drain port is clogged.

[0002]

2. Description of the Related Art As a conventional clogging release tool for a flush toilet, there is one shown in FIG. In FIG. 4, reference numeral 1 denotes a clogging releasing tool, which is formed by connecting an operating rod 6 having a predetermined length to the cup 2. The cup 2 is made of a soft elastic material such as rubber or synthetic resin, and has a hemispherical cup main body 3 that curves upward and has a thick wall. The lower end of the cup main body 3 has a small-diameter and thin mouth portion 4. Are integrally connected, and the boss portion 5 is integrally formed on the top of the cup main body 3. The operating rod 6 is formed by cutting a pipe made of hard plastic or metal into a predetermined length and integrally connecting the lower end portion thereof to the boss portion 5 of the cup main body 3.

When the drain of the flush toilet is clogged, the mouth 4 of the cup 2 is fitted into the drain of the toilet,
Holding the operating rod 6 to reciprocate the cup 2 in the vertical direction to alternately generate positive pressure and negative pressure in the drain outlet communicating with the toilet bowl, and forcibly move the foreign substances clogged in the drain outlet to the downstream direction. To remove the clogging at the drain port.

[0004]

In the conventional device described above, only the lower end of the cup 2 is opened, so that when the cup 2 fitted in the drain port of the toilet is pulled up,
The negative pressure generated in the chamber (a) of the cup 2 could not be released. Therefore, when the drainage port is clogged with a large amount, a large negative pressure is generated in the cup 2 when the cup 2 is pulled up, the cup 2 cannot be pulled up, and cleaning of the drainage port is difficult. There was a drawback.
An object of the present invention is to provide a non-clogging tool for a flush toilet which solves the above-mentioned drawbacks by providing a check valve capable of releasing the negative pressure generated in the cup 2.

[0005]

Means for Solving the Problems The present invention has the following configuration to achieve the above object. That is, a hemispherical cup with a lower surface opened by a soft elastic material is provided,
In a clogging release tool for a flush toilet in which an operating rod of a predetermined length is connected to the top of the cup, an air passage communicating from the inner surface of the top of the cup to the outside via the axial center of the operating rod is formed, A check valve is provided in the air passage to block the flow of air from the inside of the cup to the outside and to allow the flow of air from the outside to the inside of the cup. In this case, the operating rod may be provided with an opening / closing lid for opening / closing the air passage. Further, a short holding pipe having a large-diameter flange portion is provided at the lower end portion, the holding pipe is inserted into the top portion of the cup from the inner surface side thereof upward, and a tubular operation is performed at the upper end portion of the holding pipe. An air passage is formed by connecting the rod to communicate with the outside from the inside of the cup through the holding pipe and the operating rod, and at the lower end portion of the holding pipe, the flow of air from the inside of the cup toward the operating rod is blocked and the operating rod is connected. A check valve may be provided to allow air to flow from the side into the cup.

[0006]

Embodiments of the present invention will be described below with reference to the drawings. 1 is a partial sectional side view showing an embodiment of the present invention, FIG. 2 is an enlarged sectional view of a check valve portion thereof, and FIG. 3 is a sectional view taken along line III-III of FIG. In FIG. 1, reference numeral 10 denotes a device for releasing clogging of a flush toilet, which is mainly composed of a cup 11, an operating rod 18, and a check valve 20.

The cup 11 is made of a soft elastic material similar to the conventional one, and has a hemispherical cup main body 12 that curves upward and has a thick wall. The cup main body 12 has a small-diameter and thin wall at its lower end. The portion 13 is stepped and integrally connected,
A boss portion 14 for connection is integrally formed on the top of the cup main body 12.

A holding pipe 15 made of hard plastic or metal is provided on the top of the cup main body 12, that is, the boss portion 14.
Insert from inside. As shown in FIG. 2, the holding pipe 15 integrally includes a small-diameter valve opening 16 and a large-diameter, cap-shaped flange portion 17 surrounding the valve opening 16 at the lower end of a short pipe portion 15a. The pipe portion 15a is inserted from the inner surface side of the top portion of the cup main body 12 into the axial center portion of the boss portion 14, and the upper surface of the flange portion 17 is brought into contact with the inner surface of the top portion of the cup main body 12 in the vertical direction with respect to the cup main body 12. Position.

A hard plastic or metal pipe is cut into a predetermined length to form an operating rod 18. The operating rod 18 is inserted from the upper portion of the boss portion 14 of the cup 11 and the lower end of the operating rod 18 is formed as described above. An air passage (a) communicating with the outside is formed by fitting and connecting to the upper end of the holding pipe 15, and the axial center of the holding pipe 15 and the operating rod 18. Further, a cap-type opening / closing lid 19 is detachably screwed onto the upper end of the operating rod 18, and the opening / closing lid 19 allows the air passage (a) to be opened / closed.

A disc-shaped check valve 20 is attached to the lower end of the holding pipe 15. That is, as shown in FIG. 3, a check valve 20 integrally having a pair of locking pieces 20b, 20b projecting in the radial direction is provided on the left side portion of the disc-shaped valve body 20a, and the cylindrical portion of the flange portion 17 is provided. A slit 17b extending in the radial direction is formed on the left side of 17a, and the check valve 20 is fitted into the cylindrical portion 17a from the left side of the slit 17b in FIG.
The locking pieces 20b, 20b are locked at both ends in the radial direction of the slit 17b so as to be rotatable about a horizontal axis, and the valve body 20
a is elastically contacted with the lower end of the valve port 16 to prevent the air from flowing from the inside of the cup 11 toward the operating rod 18 and allow the air to flow from the operating rod 18 side into the cup 11 by the valve body 20a. .

According to the above-mentioned embodiment, the cup 11 is opened with the opening / closing lid 19 loosened (shown in phantom in FIG. 1) or removed.
2 is fitted into the drainage port 21a of the toilet 21 and the cup 11 is reciprocally moved in the vertical direction by holding the operating rod 18, the check valve 20 moves downward when the cup 11 moves downward. Like this, the valve port 16 is closed, and the inside of the cup 11 becomes a positive pressure to generate a positive pressure in the drainage port 21a of the toilet bowl 21.
The foreign substances clogged in a are forcibly moved in the downstream direction. Conversely, when the cup 11 moves upward, the check valve 20
Opens the valve port 16 as shown by the phantom line in FIG.
The flow from the upper part of 9 through the holding pipe 15 into the chamber (a) of the cup 11 prevents (releases) the generation of negative pressure in the cup 11, and the load for pulling up the cup 11 is reduced.

Also, the cup 1 with the opening / closing lid 19 closed.
Fit the mouth portion 13 of No. 1 into the drain port 21a of the toilet 21,
When the cup 11 is reciprocated up and down while holding the operating rod 18, the operation of the check valve 20 is stopped, and as in the conventional case, the inside of the cup 11 becomes a positive pressure when the cup 11 is moved downward and the drainage port is opened. 21a generates a positive pressure, and when the cup 11 moves upwards, the inside of the cup 11 becomes a negative pressure to generate a negative pressure in the drainage port 21a, thereby forcibly adhering the foreign substances clogged in the drainage port 21a to the upstream and downstream sides. Will be moved in the direction.

[0013]

As is apparent from the above description, the present invention is provided with a check valve for removing the negative pressure generated in the cup when the cup is pulled up. Even if it is large, cleaning of the drainage port can be easily performed with a small amount of labor. In addition, since the air passage that is opened and closed by the check valve can be opened and closed by the opening and closing cover to enable or disable the check valve, it is possible to prevent clogging of the drainage port or physical strength of the user. The pulling load of the cup can be selected accordingly. Also,
A holding pipe having a large-diameter flange portion at the lower end is inserted into the top of the cup, a check valve is provided at the bottom of the holding pipe, and an operating rod is connected to the upper portion of the holding pipe. This has the effect of facilitating attachment and maintenance inspection.

[Brief description of drawings]

FIG. 1 is a partial sectional side view showing an embodiment of the present invention.

FIG. 2 is an enlarged sectional view of a check valve portion according to the present invention.

FIG. 3 is a sectional view taken along the line III-III in FIG.

FIG. 4 is a partial cross-sectional side view showing a conventional example.

[Explanation of symbols]

 10 Clog Release Tool 11 Cup 12 Cup Main Body 13 Port 14 Boss 15 Holding Pipe 15a Pipe 16 Valve Port 17 Flange 17a Cylindrical 17b Slit 18 Operating Rod 19 Open / Close Lid 20 Check Valve 20a Valve 20b Locking Piece 21 Toilet bowl 21a Drainage port (a) Air passage (a) Cup chamber

Claims (3)

[Claims] 1. Drainage of a flush toilet comprising a hemispherical cup (11) having a lower surface opened by a soft elastic material, and an operating rod (18) having a predetermined length connected to the top of the cup (11). In the clogging removal tool, an air passage (a) is formed which communicates from the inner surface of the top of the cup (11) to the outside through the axial center portion of the operating rod (18), and the cup (11) is formed in the air passage (a). ) A check valve (20) for preventing air from flowing from the inside to the outside and allowing the air to flow from the outside to the inside of the cup (11) is provided. Tools. 2. The device for removing clogging in a drain of a flush toilet according to claim 1, wherein the operating rod (18) is provided with an opening / closing lid (19) for opening and closing the air passage (a). 3. A holding pipe (15) having a large-diameter flange portion (17) at its lower end is provided, and said holding pipe (15) is directed upward from the inner surface side to the top of said cup (11). And a cylindrical operating rod (18) is connected to the upper end of the holding pipe (15) to communicate with the outside from inside the cup (11) via the holding pipe (15) and the operating rod (18). An air passage (a) is formed, and the holding pipe (1
A check valve for preventing air from flowing from the inside of the cup (11) toward the operating rod (18) at the lower end portion of 5) and allowing the air to flow from the operating rod (18) side into the cup (11). (20) is provided, The drainage port clogging removal tool of the flush toilet of Claim 1 or 2 characterized by the above-mentioned.