JP3478043B2 - Flush toilet - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a flush toilet bowl. More specifically, the present invention relates to a flush toilet capable of easily connecting the discharge mechanism unit and the toilet body.

[0002]

2. Description of the Related Art Conventionally, with respect to flush toilets, various studies have been made with the aim of further improving drainage performance, and flush toilets provided with a discharge mechanism unit are being provided. In this flush toilet, the drainage mechanism unit is connected to the bowl provided in the toilet body so that the drainage discharged into the bowl and the cleaning drainage on the bowl surface can be discharged to the outside of the toilet bowl by the drainage mechanism unit. ing.

A flush toilet provided with such a discharge mechanism unit can be shown in one form in FIGS. 5 and 6, for example. In the flush toilet shown in FIGS. 5 and 6,
A mechanical ejection mechanism unit (1) is provided. The discharge mechanism unit (1) includes a trap portion (2) having a free end, and the trap portion (2) rotates in a case body (3) provided as an outer shell of the discharge mechanism unit (1). The shafts (4a, 4b) are rotatably supported.
For the trap portion (2), a tube formed of a resin, rubber, or the like having high elasticity and flexibility is generally used. The discharge mechanism unit (1) also has one rotation shaft (4a).
Is connected to a drive source (5) having a motor, and the rotational force of the drive source (5) is transmitted to its rotation shaft (4a),
The end of the trap portion (2) is adapted to rotate and reverse in the vertical direction.

Such a discharge mechanism unit (1) is connected to a discharge pipe portion (8) extending from a bottom drainage port (7) of a bowl (6) provided in the toilet body so as to communicate with the bowl (6). Has been done. Specifically, the discharge pipe connecting member (9) is attached to the end of the discharge pipe portion (8), and the trap portion (2) is pulled out from the outer wall surface of the case body (3) located on the drainage inlet side. One end of the pipe forming the pipe is attached to the outer circumference of the discharge pipe connecting member (9), and the pipe is fastened to the discharge pipe connecting member (9) by tightening the fastener (10) such as a hose band.

[0005]

However, in the flush toilet shown in FIGS. 5 and 6, the discharge mechanism unit (1) is provided.
There is a disadvantage that an intermediate member called a discharge pipe connecting member (9) has to be connected to the discharge pipe portion (8) of the toilet body when connecting the toilet pipe and the toilet body. This problem originates from the fact that the toilet body is made of sanitary ware. In the case of pottery products, it is difficult to form a product having a complicated shape as a single body in terms of molding. For this reason, the discharge pipe connecting member (9) is unavoidably attached to the discharge pipe portion (8) and fired when the discharge mechanism unit (3) and the toilet body are connected.

The present invention has been made in view of the above circumstances, and provides a flush toilet which eliminates the drawbacks of the conventional flush toilet and facilitates connection between the discharge mechanism unit and the toilet body. It is an object.

[0007]

SUMMARY OF THE INVENTION In order to solve the above problems, the present invention provides a case of forming an outer shell of a discharge mechanism unit in a flush toilet in which the discharge mechanism unit is communicatively connected to a bowl provided in a toilet body. A flat plate-shaped mounting flange is projected on the outer wall surface of the drainage side of the body, the toilet body has an internal drainage channel communicating with the bowl, and a drainage section with a downwardly recessed outer shape is formed from the bottom of the bowl. It is extended downwards integrally with the toilet body, and the outer wall surface of the drainage outlet side of this drainage part is formed into a flat shape and serves as a mounting surface for the mounting flange.
And can be attached closely to the mounting flange of the case body .
Hook on the mounting flange of the case.
Installed, a screw hole is formed and the drainage part is attached
On the surface, there are hook fixing holes above and below the outer part of the internal drainage channel.
And screw fixing holes are formed respectively, and the hook
Inserted and locked in the hook fixing hole, and inserted in the screw fixing hole.
The fixed fixing screw is fixed in the screw hole,
There is provided a flush toilet bowl, which is a flush toilet bowl in which a mounting flange of a base body and a drain portion mounting surface are in close contact with each other.

[0008]

BEST MODE FOR CARRYING OUT THE INVENTION Hereinafter, the flush toilet bowl of the present invention will be described in more detail with reference to the drawings. FIG. 1 is a cutaway perspective view showing an embodiment of the flush toilet of the present invention.
The flush toilet shown in FIG. 1 employs the mechanical discharge mechanism unit (1) shown in FIGS. 5 and 6 as the discharge mechanism unit.

That is, the discharge mechanism unit (1) is provided with a trap portion (2) having a free end, and the trap portion (2) forms an outer shell of the discharge mechanism unit (1). ) Is rotatably supported by the rotating shafts (4a, 4b). A drive source (5) equipped with a motor is connected to one of the rotary shafts (4a), and the rotational force of the drive source (5) is transmitted to the rotary shaft (4a) to terminate the end of the trap section (2). Is rotated and inverted in the vertical direction.

In the flush toilet shown in FIG.
As shown in the cutaway perspective view of the main part of FIG. 2, the case body (3)
A flat plate-shaped mounting flange (12) is provided on the outer wall surface (11) on the drainage inlet side of the. Both the case body (3) and the mounting flange (12) are made of resin. The mounting flange (12) has an L-shaped hook (13) bent upward and protruding from the upper surface, and two screw holes (14) formed in the lower portion. Mounting flange (1
Regarding the hooks provided in 2), especially L-shaped hooks (1
It is not limited to 3). There is no limitation on the type as long as the predetermined locking function is realized.

On the other hand, as shown in the perspective view of the main part of FIG. 3, the toilet body is provided with a drainage part (16) having an internal drainage channel (15) communicating with the bowl (6). Is extended downward from the bottom of the. The drainage part (16) has an outer shape that is recessed downward, and due to this characteristic outer shape, the toilet body can be made of sanitary ware that can be integrally formed including the drainage part (16). The drainage part (16) is provided integrally with the toilet body. Drain (1
The outer wall surface of the drainage outlet 6) is formed into a flat surface and serves as a mounting surface (17) of a mounting flange (12) provided on the case body (3) of the drainage mechanism unit (1).
An elongated hole fixing hole (18) is formed on the attachment surface (17) at the upper side of the outer side of the internal drainage channel (15). Two screw fixing holes (19) are formed below the outer portion of the internal drainage channel (15).

When connecting the discharge mechanism unit (1) to the toilet body, the hook (13) protruding from the mounting flange (12) is formed on the mounting surface (17) of the drainage section (16). Insert and lock in the fixing hole (18). After this, the mounting flange (12) and the mounting surface (17) are overlapped with each other with a sealing material such as an O-ring interposed. Then, the fixing screw (20) inserted into the screw fixing hole (19) of the drainage part (16) is fixed to the screw hole (14) of the mounting flange (12), and the fixing flange (12) and mounting surface (17) brought into close contact with and. In the screw hole (14) and the screw fixing hole (19), the hook (13) is inserted and locked in the hook fixing hole (18), and the mounting flange (1
The mounting flange (12) and the mounting surface (17) are formed on the mounting flange (12) and the mounting surface (17) so as to coincide with each other when they are superposed on each other.

As described above, in the flush toilet of the present invention, the drainage mechanism unit (1) and the toilet body can be directly connected. The attachment of the discharge pipe connecting member (9), which is required in the flush toilet shown in FIGS. 5 and 6, is eliminated, and the connecting work is facilitated. Also, as mentioned above,
The body of the toilet bowl is made of sanitary ware and is easy to manufacture. Since the drainage part (16) has an outer shape that is recessed downward, it can be die-cut, and the toilet body can be manufactured by high-pressure molding, which simplifies the manufacturing process, instead of cast molding.

In the flush toilet of the present invention, as shown in FIG. 3, it is preferable that the screw fixing hole (19) formed in the mounting surface (17) of the drainage section (16) is a dharma hole.
Assuming a dharma hole, as shown in Fig. 4, the screw head (2
1) can be inserted into the screw fixing hole (19) from the mounting surface (17) side, and the fixing screw (20) is slid downward after the insertion so that the fixing screw (20) is screwed into the screw fixing hole. It can be semi-fixed to (19). This is effective in facilitating the connection work between the discharge mechanism unit (1) and the toilet body.

Of course, the present invention is not limited to the above embodiment. Although the mechanical discharge mechanism unit including the trap portion (2) and the like has been illustrated as the discharge mechanism unit, the discharge mechanism unit connectable to the toilet body is not particularly limited thereto. The present invention is equally applicable to a discharge mechanism unit that has an appropriate discharge mechanism and is connected to the bowl (6).

[0016]

As described in detail above, according to the present invention, the discharge mechanism unit and the toilet body can be easily connected. The connection work is facilitated, and the toilet body can be easily manufactured.

[Brief description of drawings]

FIG. 1 is a cutaway perspective view showing an embodiment of a flush toilet of the present invention.

FIG. 2 is a cutaway perspective view of the ejection mechanism unit shown in FIG.

FIG. 3 is a perspective view of the toilet body shown in FIG.

FIG. 4 is a perspective view of an essential part showing insertion / semi-fixation of a fixing screw into a screw fixing hole.

FIG. 5 is a cross-sectional view showing an example of a conventional flush toilet bowl including a discharge mechanism unit.

FIG. 6 is a perspective view of the vicinity of the discharge mechanism unit of the flush toilet shown in FIG.

[Explanation of symbols]

1 Ejection mechanism unit 2 trap section 3 case body 4a, 4b rotating shaft 5 drive source 6 bowls 11 Case exterior wall 12 mounting flange 13 L type hook 14 screw holes 15 Internal drainage channel 16 Drain 17 Mounting surface 18 Hook fixing hole 19 Screw fixing hole 20 Fixing screw 21 screw head

Front page continued (72) Inventor Takahiro Nakamura 1048, Kadoma, Kadoma, Osaka Prefecture Matsushita Electric Works, Ltd. (72) Inventor, Yoshiro Matsushita, 1048, Kadoma, Kadoma, Osaka Prefecture (72) Invention, Matsushita Electric Works, Ltd. Person Yasushi Sato 1048, Kadoma, Kadoma-shi, Osaka Prefecture Matsushita Electric Works, Ltd. (72) Inventor, Shin Nishikawa 1048, Kadoma, Kadoma-shi, Osaka Prefecture, Matsushita Electric Works, Ltd. (56) Reference JP-A-6-240729 ( JP, A) Actual development Sho 62-77279 (JP, U) (58) Fields investigated (Int.Cl. ⁷ , DB name) E03D 11/13 E03D 11/10

Claims (3)

(57) [Claims] 1. In a flush toilet in which the discharge mechanism unit is connected to a bowl provided in the toilet body, a flat plate-shaped mounting flange is projected on the outer wall surface of the case body forming the outer shell of the discharge mechanism unit on the drainage inlet side. The toilet body is provided with an internal drainage channel communicating with the bowl, and a drainage part having an outer shape that is recessed downward is integrally extended with the toilet body downward from the bottom of the bowl. side outer wall surface is the mounting surface of the mounting flange is formed in a planar shape, it has become possible contact with the mounting flange of the case body, the case
When the hook is projected on the surface of the body mounting flange,
Both have screw holes, and the drainage surface
Hook fixing holes and screw fixings above and below the outer part of the drainage channel.
Each fixed hole is formed and the hook is fixed to the hook
For fixing that is inserted and locked in the mounting hole and inserted in the screw fixing hole
The case is removed by fixing the screw in the screw hole.
A flush toilet bowl characterized in that the mounting flange and the drainage part mounting surface are in close contact with each other. 2. A drainage unit mounting surface threaded fixing hole formed in is a potbelly hole, the screw head from the mounting surface side insertion is possible to semi-fixed fixing screws and has been of claim 1 wherein is Flush toilet bowl. 3. The discharge mechanism unit includes a trap portion, a rotary shaft that rotatably supports the trap portion, and a drive source connected to the rotary shaft, and the end of the trap portion is a free end in the case body. The flush toilet bowl according to claim 1 or 2, which is rotatable and reversible in the vertical direction.