JPH08252207A - Tableware washer - Google Patents

Abstract

PURPOSE: To easily and surely connect an outside-machine feed/distributing pipe to an inside-machine feed/distributing pipe and to easily confirm accidental water leakage, etc. CONSTITUTION: In a machine in which the outside-machine feed/distributing pipes 10, 11 introduced from outside a main body 15 are connected to the inside- machine feed/distributing pipes 16, 17 arranged in the main body 15 at a front side, expandable parts 12, 13, 18 and 19 or contractable parts are fitted in at least a part of those feed/distributing pipes 10, 11, 16 and 17, respectively. The outside-machine feed/distributing pipes 10, 11 are connected to the inside-machine feed/distributing pipes 16, 17 by drawing out to the front of the main body 15 by expanding the expandable parts 12, 13, 18 and 19 or the contractable parts and at a place with sufficient space and easy to observe.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a dishwasher for connecting an external supply / drainage pipe and an internal supply / drainage pipe on the front side of a main body.

[0002]

2. Description of the Related Art Conventionally, in a built-in type dishwasher which is used by being incorporated in a system kitchen, for example, an external water supply pipe and an external drainage pipe are introduced into the main body at the time of installation. A water supply pipe and a drain pipe inside the machine, which are arranged in the inside of the main body, are connected inside the front side of the main body.

[0003]

In the case of the above-mentioned conventional one, the external supply / drainage pipe and the internal supply / drainage pipe have to be connected to each other at the front side of the main body where there is no room in the space, The work was difficult. In addition, a large tool does not enter the inside of the main body where there is not enough space, so that there is a risk that water will leak due to insufficient tightening of each connecting portion. Moreover, if a water leak should occur, it could not be easily confirmed inside the main body.

The present invention has been made in view of the above-mentioned circumstances, and therefore an object of the present invention is to supply external water / drainage pipe and internal water
(EN) Provided is a dishwasher which can be easily and surely connected to a drainage pipe and can be easily checked for water leaks.

[0005]

In order to achieve the above object, in the dishwasher of the present invention, an external water supply / drainage pipe introduced from outside the main body and an internal water supply / drainage pipe arranged in the main body Is connected to the front side of the main body, and is characterized in that an expandable portion is provided in at least a part of each of the water supply and drainage pipes. In this case, a bendable / stretchable portion may be provided instead of at least one stretchable portion.

The bendable / extendable portion may be provided so as to hang down and bend in the external drain pipe or the internal drain pipe. Furthermore,
It is advisable to install a separate trap in front of the expandable part or the bendable part of the external drainage pipe or the internal drainage pipe. And the front part of the external supply / drainage pipe and the internal supply / drainage pipe should be attached to the cover that can be opened and closed at the front part of the main body,
The cover may be held in the main body by a magnet in a closed state.

[0007]

[Operation] According to the above-mentioned means, external supply / drainage pipe and internal supply /
It is possible to connect the drainage pipe to the outside of the main body by extending the expandable portion or the bendable portion and drawing it out to the outside of the main body. In that case, particularly, in the case where the bendable / extendable portion is provided on the external drainage pipe or the internal drainage pipe so as to hang down and bend, the bent portion can also function as a trap for preventing reverse odor inflow. it can.

Further, in the case where a separate trap is attached to the outside drainage pipe or the inside drainage pipe in front of the extendable portion or the bendable portion, the extendable portion is extended or the bendable portion is extended. When the drain pipe outside the machine is pulled out, the trap can be pulled out at the same time, which makes it easy to inspect and replace the trap.

In the case where the front portions of the external supply / drainage pipe and the internal supply / drainage pipe are attached to the cover which can be opened and closed at the front part of the main body, the external supply / drainage pipe is opened at the same time as the cover is opened.
It is possible to pull out the drainage pipe and the on-board supply / drainage pipe. In addition, in the case where the cover is held in the main body by the magnet in the closed state, the cover can be held in the closed state without troublesome work such as screwing.

[0010]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A first embodiment of the present invention will be described below with reference to FIGS. First of all, FIG. 2 shows a system kitchen 1, in which a dishwasher is installed on a side part of a sink 8 having a sink 2, a faucet 3, a water supply pipe 4, a hot water supply pipe 5, a duster pot 6 and a drainage pipe 7. It has a built-in space 9 for. An external water supply pipe 10 and an external drainage pipe 11 for the dishwasher are provided from the back to the front of the built-in space 9, and at each one of these intermediate portions, for example, a bellows structure is provided. Extendable parts 12 and 13 are provided. A water stop plug 14 is attached to the front end of the external water supply pipe 10.

On the other hand, an in-machine water supply pipe 16 and an in-machine drainage pipe 17 are provided inside the main body 15 of the dishwasher shown in FIG. Expandable portions 18 and 19 having a bellows structure are provided. In addition, the in-machine drainage pipe 17 is equipped with a trap 20 at a rear part of the expandable / contractible part 19 for preventing the reverse inflow of odors. An inlet 21 for introducing the external drainage pipe 11 is formed. Further, a kick-like cover 22 is detachably (openable / closable) provided by a screw 23 at the lowermost part of the front part of the main body 15.

Now, in the case of the above-mentioned configuration,
The external water supply pipe 10 and the external drain pipe 11 are introduced into the main body 15 through the introduction port 21 in accordance with the incorporation of the main body 15 into the built-in space 9 of the system kitchen 1. Next, the cover 22 is removed, and a hand is inserted into the main body 15 through the opened opening to pull the external water supply pipe 10 and the external drainage pipe 11, and the internal water supply pipe 16 and the internal drainage pipe 17 forward.

Then, as shown in FIG. 3, the external water supply pipe 1
0 and the outboard drainage pipe 11 extend the expandable portions 12 and 13, and the inboard water supply pipe 16 and the inboard drainage pipe 17 expand and contract the flexible portion 1.
8 and 19 are extended, and the expandable and contractible parts 12 and 12, respectively.
13 and the part ahead of the stretchable parts 18 and 19 are the main body 1
5 Pulled out to the outside. Therefore, those external water supply pipes 1
0 and the in-flight water supply pipe 16, and the outboard drain pipe 11 and the in-flight drain pipe 17 are connected at the drawing position, that is, at the front outside the main body 15, and after the connection, the water stop plug 14 is opened to prevent water leakage from the connecting portion. After confirming that, the external water supply pipe 10, the external water discharge pipe 11, the internal water supply pipe 16 and the internal water discharge pipe 17 are pushed into the main body 15.

Then, contrary to the above, the external water supply pipe 10
And the external drainage pipe 11 contracts the expandable parts 12 and 13,
The in-flight water supply pipe 16 and the in-flight drain pipe 17 are expandable parts 18, 1
9 are contracted to be housed in the main body 15. After housing, the cover 22 is held in the attached and closed state by the screw 23 as shown in FIG.

As described above, according to this structure, the external supply / drain pipes 10 and 11 and the internal supply / drain pipes 16 and 17 are respectively expanded and contracted by the expandable / contractible portions 12, 13, 18 and 19. It can be pulled out to the front outside the main body 15 and can be connected to the front outside the main body 15. Unlike the conventional connection inside the main body, it can be easily connected where there is enough space. it can.

Further, the main body 1 having a sufficient space
Outside of 5, a large tool can be used, and each connection can be tightened sufficiently using the large tool, so that there is no fear of water leakage. Further, even if a water leak should occur, it can be easily confirmed outside the main body 15 that is easy to see, and accordingly, the procedure such as tightening can be appropriately performed. In addition, in the case of this configuration, the connection portion can be easily removed in a place where there is enough space, so that the main body 15 can be easily taken out when necessary during inspection or repair.

In contrast to the above, FIG. 5 shows a second embodiment of the present invention, in which the above-described expandable portion 13, is provided at one of the intermediate portions of the external drain pipe 11 and the internal drain pipe 17. Instead of 19, the bendable / extendable portions 24 and 25 are provided.
The bendable / extendable portions 24 and 25 are bent in a substantially horizontal "T" shape by being supported by the bending support portions 27, 28, 29 and 30 provided on the base plate 26 of the main body 15. It expands according to the withdrawal of the outboard drainage pipe 11 and the inboard drainage pipe 17, and bends and restores according to the pushing of the outboard drainage pipe 11 and the inboard drainage pipe 17.
It works the same as the expansion and contraction of 3,19, so
The same effect as described above can be obtained.

The bendable / extendable portion is the external water supply pipe 10.
And the water supply pipe 16 inside the machine also has expandable portions 12, 18 respectively.
It may be provided instead of. Further, these bendable / extendable parts and the above-mentioned expandable / contractible parts 12, 13, 18, 19 are provided only at one place in each of the intermediate parts of the external supply / drain pipes 10, 11 and the internal supply / drain pipes 16, 17. It is not limited and may be provided at a plurality of places.
8 and 19 may be provided in all of the external supply / drain pipes 10 and 11 and the internal supply / drain pipes 16 and 17, respectively. Also, expandable part 1
2, 13, 18, and 19 may be those that expand and contract due to expansion and contraction of the material itself, instead of the bellows structure.

FIG. 6 shows a third embodiment of the present invention.
The bendable / extendable portion 31 is supported by the bending support portion 32 so that the bending / supporting portion 31 hangs downward from the outboard drainage pipe 11 and bends in a "U" shape. In this case, the bent bendable / extendable portion 31 can also function as a trap that blocks the reverse inflow of odor, so that the need for a separate trap (20) can be eliminated. In addition, this bendable / extendable portion 31
May be provided in the in-flight drain pipe 17. Further, in this case, the above-described expandable portions 12, 18, and 19 are provided in the middle of the remaining external water supply pipe 10 and in-machine water supply / drainage pipes 16 and 17, respectively. The movable portions 24 and 25 may be provided.

7 and 8 show a fourth embodiment of the present invention, in which a separate trap 33 is attached to the front portion of the expandable / contractible portion 13 of the outboard drainage pipe 11. In this case, as shown in FIG. 8 in detail, the trap 33 has one connection port 34 and the other connection port 35 which is symmetrical to the connection port 34 on one side and the other side of the separated portion of the outboard drainage pipe 11. It is interposed in the middle of the outboard drainage pipe 11 by press fitting and tightening nuts 36 and 37, and the opening 38 at the bottom is closed by a cap 39 in the shape of a cap nut.

In this case, the expandable part 13
When the outside drainage pipe 11 is pulled out by extending the trap 3, the trap 33 can be pulled out at the same time.
Inspection by removing the cap 39 of 3 and nuts 36, 3
It can be easily replaced by loosening 7. In this case as well, the trap 33 may be provided in the in-machine drainage pipe 17.
In addition, the expandable portion 13 of the outboard drainage pipe 11 is a bendable portion 24.
You can change to.

9 and 10 show a fifth embodiment of the present invention, in which the front portions of the external supply / drain pipes 10 and 11 and the internal supply / drain pipes 16 and 17 are attached to the cover 22 described above. Instead, a cover 40 pivotably installed at the lowermost part of the front part of the main body 15 so as to open downward.
In the figure, the one that is attached by means of the press fitting 41 and the screw 42 is shown. As shown in FIG. 10, when the cover 40 is opened, the external supply / drain pipe 10,
11 and the in-flight supply / drainage pipes 16 and 17 can be pulled out, and the inspection of the connection portion can be easily performed.

Further, in this case, magnets 43 are provided on both sides of the front surface of the base plate 26, whereas the entire cover 40 is made of a magnetic material such as an iron plate or a portion corresponding to the magnet 43. By attaching a magnetic material only to the cover 40
Is held in the main body 15 by the magnet 43 in the closed state, which makes it easy to hold the cover 40 in the closed state after inspecting the above-mentioned connection portion without requiring troublesome work such as screwing. You can

[0024]

The dishwasher of the present invention is as described above and has the following effects. First, external supply / drainage pipes introduced from outside the main unit and internal supply / drain pipes installed inside the main unit.
In the case where the drainage pipe is connected to the front side of the main body, by providing an expandable part in at least a part of each of the water supply and drainage pipes Can be easily and securely connected to the outside of the main body in a place where there is enough space, and you can easily check for water leaks, and easily take out the main body if necessary. Can be done.

Secondly, by providing a bendable / stretchable portion in place of at least one of the expandable / contractible portions, the external supply / drainage pipe and the internal supply / drainage pipe are pulled out to the outside of the main body in the same manner as described above. Therefore, it is possible to easily and surely connect in a place where there is sufficient space, and to easily check for water leaks, and to easily take out the main body if necessary.

Thirdly, since the bendable / stretchable portion is provided so as to hang down and bend in the exterior drainage pipe or the interior drainage pipe, the bendable portion also functions as a trap for preventing reverse odor inflow. And eliminates the need for a separate trap.

Fourth, by mounting a separate trap in front of the expandable portion or the bendable / extendable portion of the external drainage pipe or the internal drainage pipe, when the external drainage pipe is pulled out, the trap is also simultaneously removed. You can pull it out, check the trap,
It can be easily replaced.

Fifth, the above-mentioned external supply / drainage pipe and internal supply /
By attaching the front part of the drain pipe to the cover that can be opened and closed on the front part of the main body, it is possible to pull out the external supply / drain pipe and the internal supply / drain pipe at the same time as opening the cover. You can easily inspect the connection.

Sixth, since the cover is held in the main body by a magnet in the closed state, the cover can be easily held in the closed state without any troublesome work such as screwing.

[Brief description of drawings]

FIG. 1 is a cutaway perspective view of a portion in which a dishwasher of a system kitchen showing a first embodiment of the present invention is incorporated.

FIG. 2 is a cutaway perspective view of a portion where a dishwasher of a system kitchen is incorporated.

[Fig. 3] Vertical side view of the main part during installation work

[Figure 4] Vertical side view of the main part just before installation work is completed

FIG. 5 is a perspective view of a main portion showing a second embodiment of the present invention.

FIG. 6 is a vertical cross-sectional side view showing a third embodiment of the present invention in a state where installation work of main parts is completed.

FIG. 7 is a view corresponding to FIG. 6 showing a fourth embodiment of the present invention.

FIG. 8 is an enlarged vertical side view of the trap portion.

FIG. 9 is a view corresponding to FIG. 5 showing a fifth embodiment of the present invention.

FIG. 10 is a view corresponding to FIG. 5 with the cover opened.

[Explanation of symbols]

Reference numeral 10 is an external water supply pipe, 11 is an external water discharge pipe, 12 and 13 are expandable parts, 15 is a main body, 16 is an in-machine water supply pipe, 17 is an internal water discharge pipe, 18 and 19 are expandable parts, 24, 25, Reference numeral 31 is a bendable / stretchable portion, 33 is a trap, 40 is a cover, and 43 is a magnet.

Claims (6)

[Claims] 1. An external supply / drainage pipe introduced from outside the main body and an internal supply / drainage pipe arranged inside the main body are connected at the front side of the main body. A dishwasher, wherein at least a part of each is provided with a stretchable portion. 2. The dishwasher according to claim 1, wherein a bendable / stretchable portion is provided in place of at least one stretchable portion. 3. The dishwasher according to claim 2, wherein the bendable / extendable portion is provided on the external drain pipe or the internal drain pipe so as to hang down and bend. 4. The dishwasher according to claim 1, wherein a separate trap is mounted in front of the expandable portion or the bendable portion of the outboard drain pipe or the inboard drain pipe. 5. The tableware according to claim 1 or 2, characterized in that front portions of the external supply / drainage pipes and the internal supply / drainage pipes are attached to a cover which is openably and closably provided on a front portion of the main body. washing machine. 6. The dishwasher according to claim 5, wherein the cover is held in the main body by a magnet in a closed state.