JP2014046147A - Dishwasher - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a dishwasher capable of integrally molding a washing tank with a passage.SOLUTION: A washing tank 20 includes, at least, an upper side washing tank portion 22 and a lower side washing tank portion 24 and is constituted by bonding at least the upper side washing tank portion 22 and the lower side washing tank portion 24. Passages 42 and 45 include at least upper side passage portions 42a and 45a and lower side passage portions 42c and 45c, and are constituted at least by bonding the upper side passage portions 42a and 45a and the lower side passage portions 42c and 45c. The upper side washing tank portion 22 and the upper side passage portions 42a and 45a are integrally molded. The lower side washing tank portion 24 and the lower side passage portions 42c and 45c are integrally molded.

Description

  The technology disclosed herein relates to a dishwasher.

  A dishwasher has been developed that has a passage communicating between the inside and outside of the washing tank. This type of passage is required for various purposes, and in one example, is used as a duct for performing intake or exhaust during the drying process (see Patent Document 1).

  This type of passage has a cylindrical shape extending between a first opening facing the cleaning tank and a second opening facing the outside of the cleaning tank. By providing the cylindrical passage, the positions of the first opening and the second opening can be shifted, and the water leakage of the washing water is prevented.

JP 2008-110166 A

  In patent document 1, the cylindrical channel | path extended between 1st opening and 2nd opening is formed by coat | covering a part of side wall of a washing tank using a cover. However, in such a passage, the joining structure of the cover and the side wall of the cleaning tank becomes complicated, and the number of parts increases. In order to reduce the number of parts, it is desired to integrally mold the cleaning tank and the passage.

  The dishwasher disclosed in the present specification includes a washing tank and a passage that communicates a first opening that faces the inside of the washing tank and a second opening that faces the outside of the washing tank. The cleaning tank has at least a first cleaning tank part and a second cleaning tank part, and is configured by joining at least the first cleaning tank part and the second cleaning tank part. The passage has at least a first passage portion and a second passage portion, and is configured by joining at least the first passage portion and the second passage portion. The first cleaning tank portion and the first passage portion are integrally molded. The second cleaning tank part and the second passage part are integrally molded.

  In the dishwasher of the said aspect, since the washing tank is divided | segmented into the 1st washing tank part and the 2nd washing tank part, a washing tank is open | released in the division | segmentation surface. Similarly, since the passage is divided into the first passage portion and the second passage portion, the cylindrical passage is opened at the dividing surface. Thereby, since the 1st washing | cleaning tank part of a washing tank and the 1st channel | path part of a channel | path are open | released in the same direction, it becomes a form which can be produced by integral molding using a metal mold | die. Similarly, since the 2nd washing tank part of a washing tank and the 2nd passage part of a passage are opened in the same direction, it becomes a form which can be produced by integral molding using a metallic mold. The first cleaning tank part and the first passage part are one member integrally molded, and the second cleaning tank part and the second passage part are one member integrally molded. And a passage is constructed. The dishwasher of the above aspect can be manufactured with a small number of parts.

The schematic sectional drawing of the tableware washing machine of a present Example is shown typically. The schematic perspective view of the washing tank of a present Example is typically shown. The principal part expanded sectional view of the junction part of a present Example is shown typically.

The technical features disclosed in this specification will be summarized below. The items described below have technical usefulness independently.
(Feature 1) The dishwasher includes a washing tank and a passage that communicates the first opening facing the inside of the washing tank and the second opening facing the outside of the washing tank. The passage is used for various purposes. In one example, the passage may be an intake duct or an exhaust duct.
(Feature 2) The cleaning tank has at least a first cleaning tank and a second cleaning tank. The cleaning tank is configured by joining at least a first cleaning tank and a second cleaning tank. The cleaning tank may be divided into a first cleaning tank section and a second cleaning tank section on a plane parallel to the opening surface, and is divided into a first cleaning tank section and a second cleaning tank section on a plane intersecting the opening surface. May be. Moreover, the cleaning tank may have a 3rd cleaning tank part as needed.
(Feature 3) The passage has a first passage portion and a second passage portion. The passage is configured by joining the first passage portion and the second passage portion. The passage may be divided into a first passage portion and a second passage portion on a plane perpendicular to the axial direction, or may be divided into a first passage portion and a second passage portion on a plane parallel to the axial direction. . Further, the passage may have a third passage portion as necessary.
(Feature 4) The first cleaning tank and the first passage are integrally formed. The second cleaning tank part and the second passage part are integrally molded. Here, in order to integrally mold, a known manufacturing technique can be used. An example of the manufacturing technique is injection molding using a mold.
(Feature 5) A part of the side wall of the cleaning tank may also be used as a part of the side wall of the passage. In this example, the passage is in contact with the side wall of the cleaning tank, and space saving is possible.
(Feature 6) Only one of the first passage portion and the second passage portion may be cylindrical. For example, only a 1st channel | path part may have a cylindrical form, and a 2nd channel | path part may have a form which is not cylindrical. According to such a form, the form of the channel | path part which does not have a cylindrical form is simplified, and it becomes a form suitable for metal mold molding.
(Characteristic 7) In other words, the contour of the first opening or the contour of the second opening is defined by the first passage portion and the second passage portion.
(Characteristic 8) The cleaning tank may have a box shape with an open top. In this case, the 1st washing tank part contains the side wall which defines the opening of a washing tank, and the 2nd washing tank part contains the bottom wall of the washing tank. The cleaning tank of this example has a configuration in which the cleaning tank is divided into a first cleaning tank section and a second cleaning tank section on a plane parallel to the opening surface.
(Feature 9) In the case where the cleaning tank has a form divided by a plane parallel to the opening surface, the side wall of the first cleaning tank may include a protruding portion protruding into the cleaning tank. By dividing the cleaning tank in a plane parallel to the opening surface, it is possible to integrally mold the first cleaning tank portion including such a protrusion for preventing water leakage.

  As shown in FIG. 1, the dishwasher 1 is a drawer-type dishwasher and includes a washing machine body 10 and a washing tank 20.

  The cleaning machine main body 10 includes a housing 11, a water supply electromagnetic valve 12, a slide mechanism 15, and a main body lid 16. The casing 11 is configured to be attachable to the system kitchen, and has a box-like shape with an open front surface (the left surface in FIG. 1). The housing 11 is configured to be able to store the cleaning tank 20. The water supply solenoid valve 12 is provided in the rear part in the housing 11. The water supply solenoid valve 12 is connected to the water supply pipe 13 and adjusts the amount of water supplied to the cleaning tank 20. The slide mechanism 15 is provided in the lower part in the housing 11. The cleaning tank 20 is movable in the horizontal direction (left and right direction in the drawing) along the slide mechanism 15, and moves between a storage position accommodated in the housing 11 and a non-accommodation position not accommodated. The main body lid 16 is provided at the upper part in the housing 11. The main body lid 16 is configured to close the opening of the cleaning tank 20 when the cleaning tank 20 reaches the storage position.

  As shown in FIGS. 1 and 2, the cleaning tank 20 has a box-like shape with an opening at the top, and is formed using a resin. A table basket for placing tableware is detachably provided in the cleaning tank 20. The cleaning tank 20 has an upper cleaning tank part 22 and a lower cleaning tank part 24. The upper cleaning tank portion 22 includes the side wall of the cleaning tank 20 and has a generally cylindrical shape. The lower cleaning tank portion 24 includes the bottom wall of the cleaning tank 20 and has a generally dish shape. The cleaning tank 20 is formed by joining the upper cleaning tank part 22 and the lower cleaning tank part 24 at the joint part 50.

  The upper cleaning tank portion 22 of the cleaning tank 20 has a protruding portion 23 for preventing water leakage at the upper end portion opposite to the side joined to the lower cleaning tank portion 24. The protruding portion 23 protrudes into the cleaning tank 20 from the upper end portion of the upper cleaning tank portion 22, and makes a round of opening along the upper end portion of the upper cleaning tank portion 22. The protruding portion 23 is integrally formed with the upper cleaning tank portion 22.

  As shown in FIG. 1, the dishwasher 1 further includes a filter 32, a suction flow path 33, an impeller 34, a cleaning pump 35, a cleaning nozzle 36, and a heater 37.

  The filter 32 is provided in the lower part of the washing tank 20, and prevents leftovers removed from the dishes from entering the water reservoir 20 a of the washing tank 20. The suction flow path 33 communicates the water reservoir 20 a of the cleaning tank 20 and the space where the impeller 34 is provided. The cleaning pump 35 rotates the impeller 34 by a built-in electric motor (not shown). The cleaning pump 35 can rotate the impeller 34 in one direction (forward direction) by the built-in electric motor, or can rotate it in the opposite direction (reverse direction). The cleaning pump 35 is connected to the drain pipe 14.

  In the dishwasher 1, the water supplied from the water supply pipe 13 to the cleaning tank 20 is stored at the bottom of the cleaning tank 20. The cleaning pump 35 rotates the impeller 34 in one direction, sucks water from the water reservoir 20 a of the cleaning tank 20 through the suction flow path 33, and supplies water to the cleaning nozzle 36. In addition, the cleaning pump 35 rotates the impeller 34 in the reverse direction, thereby sucking water from the water reservoir 20 a of the cleaning tank 20 through the suction flow path 33 and draining it outside through the drain pipe 14. As described above, the cleaning pump 35 serves as both a water supply pump that supplies water to the cleaning nozzle 36 and a drainage pump that drains water to the outside via the drainage pipe 14.

  The cleaning nozzle 36 has a central nozzle 36a and a rotating nozzle 36b. The central nozzle 36a extends along the axis A. The rotary nozzle 36b extends in a direction perpendicular to the axis A. The central nozzle 36a and the rotating nozzle 36b are formed with a plurality of injection ports 31 for injecting water supplied from the cleaning pump 35. The cleaning nozzle 36 is configured to be rotatable around the axis A. The cleaning nozzle 36 rotates around the axis A when water is injected from the injection port 31 into the cleaning tank 20. As a result, water is sprayed to all areas in the cleaning tank 20.

  The heater 37 is provided in the lower part in the cleaning tank 20. The heater 37 operates during the cleaning process to heat cleaning water for washing dishes, or operates during the drying process to heat the inside of the cleaning tank 20.

  The dishwasher 1 further includes an exhaust passage 42, an intake passage 45, and a fan 47.

  As shown in FIGS. 1 and 2, the exhaust passage 42 is provided on the front side wall of the cleaning tank 20. The exhaust passage 42 communicates the first exhaust opening 43 facing the cleaning tank 20 and the second exhaust opening 41 facing the cleaning tank 20. The exhaust passage 42 extends between the first exhaust opening 43 and the second exhaust opening 41 in the vertical direction (up and down direction on the paper surface) along the side surface of the cleaning tank 20. The first exhaust opening 43 faces the cleaning tank 20 along a direction different from the axial direction (vertical direction) of the exhaust passage 42, and in this example, the horizontal direction (paper surface) orthogonal to the axial direction of the exhaust passage 42. It faces the cleaning tank 20 along the left-right direction. The second exhaust opening 41 also faces the outside of the cleaning tank 20 along a direction different from the axial direction of the exhaust passage 42, and in this example, the cleaning tank 20 extends along a horizontal direction orthogonal to the axial direction of the exhaust passage 42. I'm facing the outside.

  The exhaust passage 42 has an upper exhaust passage portion 42a and a lower exhaust passage portion 42c. The upper exhaust passage portion 42 a is integrally formed with the upper cleaning tank portion 22. The lower exhaust passage part 42 c is integrally formed with the lower cleaning tank part 24. The exhaust passage 42 is formed by joining the upper exhaust passage portion 42 a and the lower exhaust passage portion 42 c at the joint portion 50. The upper exhaust passage portion 42a is formed so as to surround a part of the exhaust passage space 42b. A part of the side wall of the upper exhaust passage part 42 a and a part of the side wall of the upper cleaning tank part 22 are combined. That is, the exhaust passage 42 is formed in contact with the side wall of the cleaning tank 20 and has a structure suitable for space saving. The lower exhaust passage portion 42c is a portion extending from a part of the upper end portion of the lower cleaning tank portion 24 toward the side, and the expanded portion is formed so as to surround a part of the exhaust passage space 42b. ing.

  As shown in FIG. 1, the intake passage 45 is provided on the rear side wall of the cleaning tank 20. The intake passage 45 communicates the first intake opening 44 facing the cleaning tank 20 and the second intake opening 46 facing the cleaning tank 20. The intake passage 45 extends vertically between the first intake opening 44 and the second intake opening 46 along the side surface of the cleaning tank 20. The first intake opening 44 faces the cleaning tank 20 along a direction different from the axial direction (vertical direction) of the intake passage 45. In this example, the first intake opening 44 extends along a horizontal direction perpendicular to the axial direction of the intake passage 45. Facing the cleaning tank 20. The second intake opening 47 also faces the cleaning tank 20 along a direction different from the axial direction of the intake passage 45, and in this example, the cleaning tank 20 extends along a horizontal direction orthogonal to the axial direction of the intake passage 45. I'm facing the outside.

  The intake passage 45 has an upper intake passage portion 45a and a lower intake passage portion 45c. The upper intake passage portion 45 a is integrally formed with the upper cleaning tank portion 22. The lower intake passage portion 45 c is integrally formed with the lower cleaning tank portion 24. The intake passage 45 is formed by joining the upper intake passage portion 45 a and the lower intake passage portion 45 c at the joint portion 50. The upper intake passage portion 45a is formed so as to surround a part of the intake passage space 45b. A part of the side wall of the upper intake passage part 45 a and a part of the side wall of the upper cleaning tank part 22 are combined. That is, the intake passage 45 is formed in contact with the side wall of the cleaning tank 20 and has a structure suitable for space saving. The lower intake passage portion 45c is a portion extending from a part of the upper end portion of the lower cleaning tank portion 24 toward the side, and the expanded portion is formed so as to surround a part of the intake passage space 45b. ing.

  The fan 47 is connected to the intake passage 45, and is configured to send air into the cleaning tank 20 through the intake passage 45 during the drying process. The air sent into the cleaning tank 20 by the fan 47 is heated by the heater 37, and the dishes placed in the cleaning tank 20 are efficiently dried. The air that has passed through the cleaning tank 20 is exhausted to the outside of the cleaning machine body 10 through the exhaust passage 42.

  In the dishwasher 1 of the above aspect, the washing tank 20 is divided into an upper washing tank part 22 and a lower washing tank part 24, and exhaust and intake passages 42 and 45 are provided with upper passage parts 42a and 45a and a lower passage part 42c, One feature is that it is divided into 45c. As a result, the upper cleaning tank portion 22 and the upper passage portions 42a and 45a are opened downward on the paper surface, so that they can be integrally formed by injection molding using a mold. Similarly, since the lower washing tank 24 and the lower passage portions 42c and 45c are opened upward on the paper surface, they can be integrally formed by injection molding using a mold.

  Moreover, in the dishwasher 1 of the said aspect, only upper side passage part 42a, 45a has a cylindrical form, and lower side passage part 42c, 45c does not have a cylindrical form. In other words, it can be specified that the first exhaust opening 43 is defined by the upper exhaust passage portion 42a and the lower exhaust passage portion 42c, and the first intake opening 44 is defined by the upper intake passage portion 45a. It can be specified that it is defined by the lower intake passage portion 45c. Further, it can be specified that a part of the side wall of the cleaning tank 20 is used only for the side walls of the upper passage portions 42a and 45a and is not used for the lower passage portions 42c and 45c. In the case of having such a morphological feature, the lower passage portions 42c and 45c are simplified in form, so that the integral molding using a mold is easy.

  Moreover, in the dishwasher 1 of the said form, it is one characteristic that the protrusion part 23 for water leak prevention is provided in the internal peripheral surface of the upper side washing tank part 22. FIG. Since the upper cleaning tank portion 22 is opened downward on the paper surface, such a protruding portion 23 can also be integrally molded.

  Next, the detail of the junction part 50 is demonstrated. As shown in FIG. 3, the joint portion 50 has an upper edge 51, an upper rib 52, a convex portion 53, a concave portion 54, a lower rib 55, and a lower edge 56.

  The upper edge 51 corresponds to the lower end portion of the upper cleaning tank portion 22, the lower end portion of the upper exhaust passage portion 42a, and the lower end portion of the upper intake passage portion 45a. The upper rib 52 protrudes laterally from the outer peripheral surfaces of the upper cleaning tank portion 22, the upper exhaust passage portion 42a, and the upper intake passage portion 45a. The convex portion 53 projects downward from the lower surface of the upper rib 52. The recessed part 54 is formed in the upper surface of the lower rib 55, and the convex part 53 is comprised so that fitting is possible. The convex part 53 and the concave part 54 are firmly joined by wire welding. The lower rib 55 protrudes laterally from the outer peripheral surfaces of the lower cleaning tank portion 24, the lower exhaust passage portion 42c, and the lower intake passage portion 45c. The lower edge 56 corresponds to the upper end of the lower cleaning tank 24, the upper end of the lower exhaust passage 42c, and the upper end of the lower intake passage 45c. The dividing surface 50 b of the upper edge 51 and the lower edge 56 makes a round on the inner peripheral surface of the cleaning tank 20.

  In the joint portion 50, the upper edge 51 extends to a lower side than the horizontal plane B corresponding to the injection port 31 of the rotary nozzle 36b. Thereby, it is suppressed that the water which ejected from the injection nozzle 31 of the rotation nozzle 36b hits the division surface 50b directly, and the reliability of water leak prevention improves.

  Further, in the joint portion 50, a space 50 a is formed between the split surface 50 b and the welded portion between the convex portion 53 and the concave portion 54. Thereby, it is suppressed that the water which penetrate | invades into the junction part 50 by a capillary phenomenon reaches | attains a welding part, and the reliability of a welding part improves.

  The technical elements described in this specification or the drawings exhibit technical usefulness alone or in various combinations, and are not limited to the combinations described in the claims at the time of filing. In addition, the technology illustrated in the present specification or the drawings achieves a plurality of objects at the same time, and has technical utility by achieving one of the objects.

1: dishwasher 20: washing tank 22: upper washing tank section 23: protrusion 24: lower washing tank section 41: second exhaust opening 42: exhaust passage 42a: upper exhaust passage section 42c: lower exhaust passage section 43 : First exhaust opening 44: first intake opening 45: intake passage 45a: upper intake passage portion 45c: lower intake passage portion 46: second intake opening 50: joint portion

Claims (6)

A washing tank;
A passage communicating the first opening facing the cleaning tank and the second opening facing the cleaning tank;
The cleaning tank has at least a first cleaning tank part and a second cleaning tank part, and is configured by joining at least the first cleaning tank part and the second cleaning tank part,
The passage has at least a first passage portion and a second passage portion, and is configured by joining at least the first passage portion and the second passage portion,
The first cleaning tank part and the first passage part are integrally molded,
A dishwasher in which the second washing tank part and the second passage part are integrally molded.   The dishwasher according to claim 1, wherein a part of the side wall of the washing tank is also used as a part of the side wall of the passage.   The dishwasher according to claim 1 or 2, wherein only one of the first passage portion and the second passage portion is cylindrical. The washing tank has a box shape with an open top,
The first cleaning tank portion includes a side wall that defines the opening of the cleaning tank,
The said 2nd washing tank part is the dishwasher as described in any one of Claims 1-3 including the bottom wall of the said washing tank.   5. The dishwasher according to claim 4, wherein a side wall of the first cleaning tank includes a protruding part protruding into the cleaning tank.   The dishwasher according to any one of claims 1 to 5, wherein the passage is for intake or exhaust.

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