JP3346938B2 - Dishwasher - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a dishwasher used by connecting an in-machine drain pipe to an existing outside drain pipe at an installation location.

[0002]

2. Description of the Related Art Conventionally, for example, in a built-in type dishwasher used by being incorporated in a system kitchen, an in-machine drain pipe is connected to an existing external drain pipe at an installation location. ing. However, in this case, the dishwasher is formed with a straight tunnel-like guide portion having a substantially rectangular cross section, and a separate support is attached to the dishwasher. The drainpipe is guided by the guide and is supported by the support.

[0003]

In the case of the above-mentioned prior art, the guide portion only guides the in-machine drainage pipe linearly, and the in-machine drainage pipe may be bent when it comes out of the guide portion. If the in-machine drain pipe is bent in this way, the drainage property is impaired. To prevent this, a wire is wound around the outer periphery of the in-machine drain pipe. But,
The in-machine drain pipe around which this wire is wound is expensive, which has led to an increase in product cost. Also, the mounting of the separate support is performed by screws or the like, which is troublesome.

SUMMARY OF THE INVENTION The present invention has been made in view of the above-mentioned circumstances, and accordingly, it is an object of the present invention to provide a dishwasher in which the guide and support of the drainage pipe in the machine are inexpensive and have a structure without trouble such as screwing. To be.

[0005]

Means for Solving the Problems In order to achieve the above object, a dishwasher according to the present invention is used in which an internal drainage pipe is connected to an existing external drainage pipe at an installation location. It formed in該台plate integrally in the interior of the base plate, after in base plate
Extending from the side to the front side and having a curved portion at the front end thereof,
A guide portion for guiding the machine drain pipe, is formed in該台plate integrally inside the base plate from its song-like portion of the guide portion
A supporting portion for supporting the distal end of the in-machine drainage pipe which has come out to a predetermined height from below .

In this case, it is preferable that both the guide portion and the support portion are opened upward, and the guide portion guides the in-machine drainage pipe to a middle position of the bent portion.
Further, the guide portion may have a gradient rising toward the distal end portion, and the center position of the hole through which the in-machine drainage pipe at the guide portion base end portion passes,
It may be higher than the center position of the connection port for connecting the in-machine drain pipe of the drain trap.

[0007]

According to the above-mentioned means, the in-machine drain pipe is guided and bent by the curved portion of the guide portion, so that the bending can be prevented without winding the wire around the outer periphery. In addition, the guide portion and the support portion integrally formed on the base plate can eliminate the trouble of separately attaching to the base plate by screws or the like.

Further, in this case, especially when the guide portion and the support portion are both opened upward, the in-machine drainage pipe can be assembled to them with simplicity of fitting or mounting from above, and Molding can be easily performed by cutting the mold upward. Further, when the guide portion guides the in-machine drainage pipe to a position in the middle of the bent portion, the guide portion can have a minimum necessary configuration.

[0009] When the guide portion has a gradient that rises toward the distal end portion, it is possible to prevent the formation of an unnecessary water pool portion in the in-machine drainage pipe within a range guided by the guide portion. In addition, in this case, if the center position of the hole for passing the in-machine drainage pipe at the base end of the guide part is higher than the center position of the connection port connecting the in-machine drainage pipe of the drain trap, the distance from the drain trap to the guide part Even in the range, it is possible to avoid the formation of an extra pool in the in-machine drain pipe.

[0010]

An embodiment of the present invention will be described below with reference to the drawings. First, FIG. 2 shows a system kitchen 1 having a built-in space 3 where a dishwasher 2 is installed. In the built-in space 3, an external water supply pipe 4 and an external water discharge pipe 5 are provided, for example, standing up from the floor at the back.

On the other hand, the dishwasher 2 has an outer box 6 of a main body connected to a base plate 7. Plate 7 of this dishwasher 2
Is made of plastic, as shown in FIGS. 1 and 3, a first guide 8 for the external water supply pipe 4 and the external water discharge pipe 5 is provided on the right side, and a second guide 8 for the internal water discharge pipe 9 is provided. The guide portion 10 is formed on the left side, and the support portion 11 for the in-machine drain pipe 9 is formed integrally at a position closer to the left side than the center of the front portion.

The first guide portion 8 has a linear tunnel shape having a substantially rectangular cross section. On the other hand, the second guide portion 10 has a groove-like shape and is opened upward, and has a curved portion 10a which is bent inwardly in an arc shape at the tip end side.
Is guided to a middle position of the bending portion 9a. Further, the support portion 11 is also opened upward so as to receive and support the tip of the in-machine drain pipe 9 from below.

Further, the second guide portion 10 is provided in FIGS.
As shown in the figure, the rear end has an upward slope from the base end to the front end, and the in-machine drain pipe 9 at the base end.
The center position of the through hole 12 is higher than the center position of the connection port 14 for connecting the in-machine drain pipe 9 of the drain trap 13 attached to the left rear part outside the base plate 7, and furthermore, this second guide is provided. The position of the upper surface of the support portion 11 is higher than the tip of the portion 10, so that the height H 1 of the connecting portion of the in-machine drain pipe 9 with the drain trap 13 is, for example, 92.5 [m
m], and the height H2 on the support portion 11 is, for example, 102.5
[Mm]. The height H3 of the external drain pipe 5 shown in FIG. 7 is even higher, for example, 121 [mm].
And The drain trap 13 is for preventing the backflow of odor, and has a U-shaped or V-shaped water storage channel (not shown) for the purpose.

In addition, each of the four corners of the base plate 7 has a leg 1
5 are provided. This leg 15 is described in detail in FIGS.
As shown in the figure, at the lower end of a pillar 16 made of a threaded rod,
A polygon, for example, a hexagonal leg foot 17 is provided,
The pillar 16 is screwed into a screw hole 18 (see FIG. 3) formed at each of the four corners of the base plate 7, and a tool (not shown) is hung on the foot 17 or rotated by holding it. As a result, the pillar 16 is advanced and retracted so that the amount of protrusion thereof and, consequently, the height and levelness of the dishwasher 2 are adjusted.

On the back surface of the leg foot 17 of the leg 15, a circular projection 19 having a diameter smaller than that of the leg foot 17 is provided. Contact, avoid contact with the hexagonal leg foot 17, prevent accidental rotation of the leg 15 during installation, and adjust the height and levelness of the adjusted dishwasher 2 (especially the external drain pipe 5). (Uphill gradient) so as not to go out of order. The projection 19 of the leg 15 may be a circular ring-shaped projection 20 as shown in FIG. 10. In particular, in the case of such a configuration, the rotation operation of the leg 15 is provided inside the projection 20. Tools (not shown)
Can be further formed.

Now, in the case of the configuration as described above,
When the dishwasher 2 is installed, first, the in-machine drain pipe 9 is drawn out of the base plate 7 through the hole 12 and connected to the connection port 14 of the drain trap 13. On the inside, the in-machine drain pipe 9 is fitted into the second guide portion 10 from above, and the tip is further placed on the support portion 11 from above. Also, an in-machine water supply pipe (not shown) is arranged almost parallel to the in-machine drain pipe 9. The drain trap 13 has the other connection port 2 symmetrical to the connection port 14.
2 (see FIG. 3) is connected to a connection pipe connected to a drain pump (not shown).

On the other hand, a connection pipe 23 around which a wire is wound is connected to the outside drain pipe 5, and the connection pipe 23
The dishwasher 2 is pushed into the built-in space 3 of the system kitchen 1 so that the water supply pipe 4 and the external water supply pipe 4 pass through the opening on the back surface of the first guide portion 8 and into the first guide portion 8.
The connection pipe 23 and the external water supply pipe 4 are further introduced into the base plate 7 from the first guide portion 8. Then, in this state, the distal end of the connecting pipe 23 and the distal end of the in-machine drain pipe 9 are connected using the joint 24 and the tightening bands 25 and 26 shown in FIG. The water stopcock 27) shown in FIG. 2 and the end of the water supply pipe in the machine are connected in the same manner. Thereafter, the front lower cover 28 shown in FIG. 2 is attached to shield those connection portions.

According to the present construction, the in-machine drain pipe 9 is guided and bent by the curved portion 10a of the second guide portion 10, so that it is prevented from being bent as in the prior art. There is no need to wind a wire around the pipe 9, so that the in-machine drain pipe 9 can be made inexpensive and the product cost can be reduced. In addition, since the second guide portion 10 and the support portion 11 are formed integrally with the base plate 7, it is possible to eliminate the need to separately attach the base plate 7 to the base plate 7 with screws or the like.

In addition, in particular, in the above configuration, both the second guide portion 10 and the support portion 11 are formed to be open upward, whereby the in-machine drain pipe 9 is fitted or mounted from above. And the molding can be easily performed by removing the mold upward, so that the product cost can be further reduced.

The second guide portion 10 guides the in-machine drain pipe 9 to a middle position of the bent portion 9a, so that the second guide portion 10 can have a minimum necessary configuration. Therefore, the product cost can be further reduced.

The second guide portion 10 has a gradient that rises toward the distal end portion, so that an extra water pool portion is formed in the in-machine drain pipe 9 within a range guided by the second guide portion 10. The formation of the water trap can be avoided, and the water trap portion can be formed only in the necessary drain trap 13, so that the maintenance, such as cleaning and inspection, can be improved.

In addition, in this case, the center position of the hole 12 through which the in-machine drain pipe 9 at the base end of the second guide portion 10 passes is set to be different from the center position of the connection port 14 for connecting the in-machine drain pipe 9 of the drain trap 13. The drain trap 13
In the range from to the second guide portion 10, it is possible to avoid the formation of an extra water reservoir in the in-machine drain pipe 9, so that the maintenance can be further improved.

The in-machine drain pipe 9 is not connected to the connecting pipe 23 at the front of the base plate 7, but extends from the support portion 11 to pass the first guide portion 8 through the outside of the base plate 7. , This base plate 7
It may be connected to the outside drain pipe 5 outside. Especially in such a case, a water leak inspection after the connection can be performed outside the machine, so that the leak water in case of poor connection can be received. It can be easily performed using a bucket or the like. In addition, the present invention is not limited to the embodiment described above and shown in the drawings.

[0024]

The dishwasher of the present invention is as described above, and has the following effects. First, in a case where an internal drainage pipe is connected to an existing external drainage pipe at an installation location, the drainage pipe is formed integrally with the baseplate inside the baseplate and extends from the rear side to the front side inside the baseplate. its has a song-like portion on the front side of the distal end portion, and a guide portion for guiding the machine drain pipe, is formed in該台plate integrally inside the base plate, or music-like portion of the guide portion Te <br /> et down the leading edge of the flight drain pipe exiting to the other party at a predetermined height
By providing a support portion for supporting the person, guide support flight drain pipe can be in hassle-free structure such as and screwed inexpensive.

Second, since the guide portion and the support portion are formed to be open upward, the in-machine drain pipe can be easily assembled and mounted on the guide portion and the support portion from above. In addition, molding can be easily performed by cutting the mold upward. Third, since the guide section guides the in-machine drainage pipe to a position in the middle of the bent section, the guide section can be configured with a minimum necessary configuration.

Fourthly, by forming the above-mentioned guide portion so as to have a gradient rising toward the front end portion, it is possible to avoid formation of an unnecessary water pool portion in the in-machine drainage pipe within a range guided by the guide portion. Can be. Fifth, by setting the center position of the hole for passing the in-machine drain pipe at the base end of the guide portion higher than the center position of the connection port for connecting the in-machine drain tube of the drain trap, the range from the drain trap to the guide portion is increased. However, it is possible to avoid the formation of an extra pool in the in-machine drain pipe.

[Brief description of the drawings]

FIG. 1 is a perspective view of a base plate portion showing one embodiment of the present invention.

FIG. 2 is a perspective view of a dishwasher and a system kitchen incorporating the same;

FIG. 3 is a plan view of a base plate portion.

FIG. 4 is a sectional view taken along line AA of FIG. 3;

FIG. 5 is a sectional view taken along line BB in FIG. 3;

FIG. 6 is a side view of the dishwasher after installation.

FIG. 7 is a rear view of the dishwasher after installation.

FIG. 8 is an enlarged front view of a single leg.

FIG. 9 is an enlarged bottom view of a single leg.

FIG. 10 is a view corresponding to FIG. 9 showing an example of different legs.

[Explanation of symbols]

3 is the built-in space of the system kitchen (installation location), 5 is the drain pipe outside the machine, 7 is the base plate, 9 is the drain pipe inside the machine, 9
a is a bent portion, 10 is a second guide portion (guide portion), 10a is a curved portion, 11 is a support portion, 12 is a hole, 13 is a drain trap, and 14 is a connection port.

──────────────────────────────────────────────────続 き Continued on the front page (58) Field surveyed (Int.Cl. ⁷ , DB name) A47L 15/00-15/42 A47B 77/08

Claims (5)

(57) [Claims] 1. An apparatus in which an internal drain pipe is connected to an existing external drain pipe at an installation location, wherein the internal drain pipe is formed integrally with the base plate, and is provided inside the base plate at a rear side.
A music-like portion to the tip portion of the front extends to Luo front, a guide portion for guiding the machine drain pipe, is formed in該台plate integrally inside the base plate, the guide portion
And a supporting portion for supporting, at a predetermined height, a lower end of an in-machine drain pipe protruding beyond the curved portion of the dishwasher. 2. The dishwasher according to claim 1, wherein both the guide portion and the support portion are opened upward. 3. The dishwasher according to claim 1, wherein the guide portion guides the drain pipe in the machine to a position in the middle of the bent portion. 4. The dishwasher according to claim 1, wherein the guide has a rising slope toward the tip. 5. The tableware according to claim 4, wherein the center position of the hole through which the in-machine drain pipe at the base end of the guide portion passes is higher than the center position of the connection port for connecting the in-machine drain pipe of the drain trap. washing machine.