JP2010155062A - Dishwasher - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a built-in type dishwasher dispensing with a water supply passage housing space in the rear of a washing tank to allow the tank to be largely structured to house and wash dishes more by shortening a water supply passage. <P>SOLUTION: The dishwasher includes the washing tank 20 longitudinally and movably installed inside a case 17 and having a second opening 26 on the top, an inner lid 27 provided on the case 17 and for opening/closing the opening 26 and a water supply means 31 for supplying water to the tank 20. The lid 27 includes an inner-lid water supply passage 35 to supply water to the tank 20 via the lid 27 from the means 31, thereby allowing the tank 20 to be largely structured to house and wash the dishes 19 more. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

  The present invention relates to a built-in type dishwasher for cleaning dishes by spraying washing water from a washing nozzle toward the dishes.

  As shown in FIGS. 4 and 5, a conventional general built-in type dishwasher is housed in a system kitchen, and a washing tub 3 provided inside a housing 2 having a first opening 1 at the front is as follows. A door body 4 that covers the first opening 1 in the front, a second opening 5 in the upper side, and a tableware basket 7 that accommodates tableware 6 are disposed inside. A cleaning nozzle 8 is rotatably provided below the tableware basket 7, and the cleaning water stored in the cleaning tank 3 is circulated by the pump 9 and sprayed from the cleaning nozzle 8 to clean the tableware 6.

  A rail 10 is fixed below the left and right sides of the cleaning tank 3 and is supported so as to be movable in the front-rear direction with respect to the housing 2. When the tableware 6 is put in and out, the handle portion 11 formed integrally with the door body 4 is grasped, the washing tank 3 is pulled out forward, and the tableware 6 is accommodated from the second opening 5. Next, the cleaning tank 3 is returned to the housing 2 and stored, and the inner lid 12 that has been waiting in the upper space in the housing 2 is moved backward by the link mechanism 13 disposed on the left and right side surfaces of the housing 2. The second opening 5 of the cleaning tank 3 is closed while moving down.

  In addition, a water supply means 14 for relaying water supplied from outside the apparatus is provided at the rear part of the housing 2 and connected to the rear part of the cleaning tank 3 by a flexible water supply path 15 made of resin or rubber. The water supply path 15 has a necessary length in a state in which the cleaning tank 3 is pulled out from the casing 2, and the cleaning tank 3 is accommodated in the casing 2 in a predetermined state in the rear part of the cleaning tank 3. Be contained.

  When the operation is started, water is supplied to the cleaning tank 3 by the water supply means 14, and the cleaning water is sprayed from the cleaning nozzle 8 toward the tableware 6 while the cleaning water is heated by the heater 16 arranged at the bottom of the cleaning tank 3. 6. Washing process to remove 6 dirt. Then, after rinsing tableware 6, a drying process is performed and operation is ended (for example, refer to patent documents 1).

JP 2000-139799 A

  However, in such a conventional dishwasher configuration, the depth dimension of the housing 2 housed in the system kitchen or the like is limited. On the other hand, a space is provided in the rear part of the cleaning tank 3 accommodated in the casing 2 so that the water supply path 15 having a length that allows water to flow in the state where the cleaning tank 3 is pulled out from the casing 2 can be stored. There is a problem that the size of the washing tank 3 is limited and the capacity of the tableware is necessarily limited.

  Further, in order to solve this problem, when the cleaning tank is pulled forward, the connection between the cleaning tank and the water supply means is disconnected, and when the cleaning tank is pushed backward and accommodated in the housing, the cleaning tank and the water supply means A dishwasher configured to be connected is also proposed, but even in a dishwasher configured in this way, the washing tank is connected to the water supply means only in a state of being accommodated in the casing, Since the tank and the water supply means are repeatedly connected each time the washing tank is pulled out and accommodated, there is a problem that it is difficult to ensure sealing properties including durability.

  The present invention solves the above-mentioned conventional problems, and is conventionally connected to the cleaning tank, and shortens the water supply path that was necessary for the pulling operation forward of the cleaning tank. It is an object of the present invention to provide a dishwasher that eliminates the rear water supply path storage space, allows a large washing tub to be configured with a casing having the same depth, and can store and wash more tableware. .

  In order to achieve the above object, the present invention provides a casing having a first opening, a door covering the first opening, and an inner side of the door that is movable in the front-rear direction. A cleaning tank having a second opening on the upper side, an inner lid provided in the housing for opening and closing the second opening, and a water supply means for supplying water to the cleaning tank, It is configured to supply water to the cleaning tank from the water supply means via the inner lid, so that it is conventionally connected to the cleaning tank and requires a length necessary for the forward operation of the cleaning tank. By shortening the existing water supply path, it is possible to eliminate the water supply path storage space at the rear of the cleaning tank, and to make the cleaning tank larger with a casing of the same depth, storing and washing more dishes. Can do.

  The dishwasher of the present invention is conventionally connected to a washing tub, and shortens the water supply path that was necessary for the drawing operation forward of the washing tub, thereby reducing the water supply path storage space at the rear of the washing tub. In addition, it is possible to configure a large washing tank with a casing having the same depth dimension, and it is possible to store and wash more tableware.

The longitudinal cross-sectional view of the state which accommodated the washing tank of the dishwasher of Embodiment 1 of this invention in the housing | casing Longitudinal sectional view of the dishwasher's washing tub pulled out of the housing An enlarged sectional view of the main part of the dishwasher A longitudinal sectional view of a conventional dishwasher washing tub stored in a housing Longitudinal sectional view of the dishwasher's washing tub pulled out of the housing

  1st invention is arrange | positioned inside the said housing | casing so that a housing | casing which has a 1st opening part and the said 1st opening part are arranged inside the said door body so that a movement in the front-back direction is possible. And a cleaning tank having a second opening at the top, an inner lid provided in the housing for opening and closing the second opening, and a water supply means for supplying water to the cleaning tank, from the water supply means By adopting a configuration in which water is supplied to the cleaning tank via the inner lid, the water supply path that is conventionally connected to the cleaning tank and required for the pulling operation forward of the cleaning tank is shortened. Thus, the water supply path storage space at the rear of the cleaning tank can be eliminated, and the cleaning tank can be configured to be large with a casing having the same depth size, so that more tableware can be stored and cleaned.

  In addition, since it is not necessary to connect a water supply path to the cleaning tank as in the prior art, processing of the water supply port to the cleaning tank becomes unnecessary, making the cleaning tank easy to manufacture, and water at the water supply port and the water supply connection part. The risk of leakage can be eliminated.

  Furthermore, since the water supply path is not connected to the cleaning tank, it is easy to install and remove the cleaning tank, and it is possible to check the operation of the water supply system without installing the cleaning tank. Work during manufacturing and maintenance becomes much easier.

According to a second invention, in the first invention, a water supply path is provided in the inner lid, and the water supply means is connected to the water supply path so that the water supply path is formed integrally with the inner lid or incorporated in the inner lid. Therefore, the durability of the water supply path is improved as compared with the conventional case, and a highly reliable dishwasher without water leakage from the water supply system can be realized over a long period of time.

  According to a third aspect of the present invention, in the first or second aspect of the invention, the inner lid has a sealing means for closing the second opening on the lower surface substantially watertightly, and a water supply connection portion connected to the water supply means at the rear portion. By opening the cleaning tank and having a water supply port provided inside the sealing means, when the water is supplied from the water supplying means to the cleaning tank, the sealing means prevents water leakage to the outside of the cleaning tank. Therefore, the sealing property can be secured while facilitating the connection configuration.

  According to a fourth invention, in any one of the first to third inventions, the water supply port is disposed at a front portion of the inner lid, and the second of the washing tank is in a state where the washing tank is drawn out from the housing. The water supply port is located inside the second opening, that is, in the projection range even if the washing tank is pulled out when the water supply means fails and water supply cannot be stopped. Therefore, all the water supply can be received in the washing tub, and it is possible to prevent water from leaking out of the dishwasher.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings. Note that the present invention is not limited to the embodiments.

(Embodiment 1)
As shown in FIGS. 1 and 2, the casing 17 housed in the system kitchen has a first opening 18 on the front surface, and is provided in the casing 17 so as to be movable in the front-rear direction. A cleaning tank 20 for storing and cleaning an object to be cleaned is provided in front of the door body 21 that covers the first opening 18 when the cleaning tank 20 is moved backward and stored in the housing 17. ing.

  Moreover, the washing tank 20 can be pulled out in the front-rear direction along rails 22 extending substantially horizontally in the inner sides of both sides of the housing 17, and a table basket 23 for storing the tableware 19 is disposed inside. A cleaning nozzle 24 is rotatably provided below the tableware basket 23, and the cleaning water stored in the cleaning tank 20 is circulated by the cleaning pump 25 and sprayed from the cleaning nozzle 24 to clean the tableware 19. In addition, the second opening 26 is provided on the upper side.

  In addition, an inner lid 27 for closing the second opening 26 is disposed above the housing 17 and supported by a pair of left and right parallel link mechanisms 28 including a pair of front and rear links so as to be movable up and down. The lower surface of the inner lid 27 is fixed with a sealing means 29 for sealing the second opening 26 of the cleaning tank 20 when lowered, and when the cleaning tank 20 is pulled out, the sealing means 29 is attached to the cleaning tank 20. It is configured to escape upward so as not to interfere with forward and backward movement.

  Further, as shown in FIG. 3, the water supply path 32 connecting the water supply path 32 from the water supply means 31 provided in the rear part of the housing 17 and relaying the water supply from outside the machine is connected to the outer edge 30 of the rear part of the inner lid 27. Water supply port 34 provided in connection part 33, sealing means 29, opening toward second opening 26 of cleaning tank 20 in a state accommodated in housing 17, and water supply from water supply connection part 33 Is formed integrally with an inner lid water supply passage 35 that passes through the seal means 29 and leads to the water supply port 34. The water supply path 32 is formed inside the inner lid 27. Specifically, a groove is formed in each or one of the resin inner lid upper member 27a and the resin inner lid lower member 28b, and the inner lid upper member 27a and the inner lid lower member b are formed by welding such as vibration welding. The inner lid 27 having the water supply path 32 inside can be made.

  Furthermore, the water supply port 34 is disposed on the entire inner lid 27, and the water supply port 34 is within the projection range of the second opening 26 of the cleaning tank 20, that is, on the inner side with the cleaning tank 20 pulled out from the housing 17. Is arranged.

  That is, instead of connecting the water supply path to the water supply connection provided in the washing tub as in a conventional dishwasher, a part of the water supply path is provided in the inner lid 27 as the inner lid water supply path 35, and water is supplied from the water supply means 31. Water is supplied into the cleaning tank 20 from the second opening 26 via the path 32 and the inner lid 27.

  The sealing means 29 is formed in a ring shape, and is provided on the lower surface of the inner lid 27 along the outer edges of the four sides. The “sealing means 29” in the description of “inward of the sealing means 29” above. Indicates a portion along the outer edge 30 at the rear of the inner lid 27.

  Next, the operation and action of the dishwasher in the above configuration will be described. Since the water supply connecting portion 33 is provided at the outer edge 30 at the rear portion of the inner lid 27 when the washing tub 20 is pulled out and stored, the water supply means 31 The connected water supply path 32 only needs to be long enough for the cleaning tank 20 to be pulled out and the inner lid 27 to be moved forward and upward of the housing 17 by the parallel link mechanism 28. The water supply path 32 is short. Since it can be configured, little storage space is required. Therefore, the water supply path storage space at the rear of the cleaning tank 20 is not required, and the cleaning tank 20 can be configured to be large with the casing 17 having the same depth size, so that more dishes can be stored and washed. .

  Further, since there is no need to connect the water supply path 32 to the cleaning tank 20 as in the prior art, the processing of the water supply port to the cleaning tank 20 is not required, the manufacture of the cleaning tank 20 is facilitated, and the water supply port and the water supply connection are made. The risk of water leakage at the section can be eliminated.

  Furthermore, since the water supply path 32 is not connected to the cleaning tank 20, not only the operation of installing and removing the cleaning tank 20 is easy, but also the operation of the water supply system can be checked without the cleaning tank 20 being installed. The work at the time of manufacture or maintenance becomes much easier.

  Further, since the water supply port 34 is provided inward of the sealing means 29 toward the second opening 26 of the cleaning tank 20, the water supply port 34 and the cleaning tank are stored in the state where the cleaning tank 20 is accommodated in the housing 17. 20 can be sealed with respect to the outside of the cleaning tank 20 by the sealing means 29. Therefore, when the cleaning tank 20 is taken in and out, the water supply port 34 is easily connected without causing any extra load. In addition, the sealing performance can be ensured.

  In addition, the water supply port 34 is disposed within the projection range of the second opening 26 of the cleaning tank 20 in a state where the cleaning tank 20 is pulled out from the housing 17, so that the water supply means fails and water supply cannot be stopped. Even if the washing tub 20 is drawn out, the water supply port 34 is inside the second opening 26, that is, within the projection range, so that all the water supply can be received by the washing tub 20 and the water leaks out of the dishwasher. Can be prevented.

  The dishwasher according to the present embodiment described above is conventionally connected to the washing tub 20 and shortens the water supply path 32 that has been required to have a length necessary for the forward drawing operation of the washing tub 20 to thereby wash the dishwasher. The storage space of the water supply path 32 at the rear of the tank 20 can be eliminated, and the washing tank 20 can be configured to be large with a casing having the same depth dimension, so that more tableware can be stored and washed.

  Further, since there is no need to connect a water supply path to the cleaning tank 20 as in the prior art, the processing of the water supply port to the cleaning tank 20 is not required, the manufacture of the cleaning tank 20 is facilitated, and the water supply port and the water supply connection portion are provided. The risk of water leakage in the water can be eliminated.

Further, since the water supply path 32 is not connected to the cleaning tank 20, not only the operation of installing and removing the cleaning tank 20 is easy, but also the operation of the water supply system can be checked without the cleaning tank 20 being installed. The work at the time of manufacturing and maintenance becomes much easier.

  As described above, the dishwasher according to the present invention can shorten the water supply path, eliminate the water supply path storage space at the rear of the cleaning tank, and make the washing tank larger with a casing having the same depth. Since more tableware can be stored and washed, it is useful not only as a household built-in type dishwasher but also as a commercial dishwasher.

DESCRIPTION OF SYMBOLS 17 Case 18 1st opening part 20 Washing tank 21 Door body 26 2nd opening part 27 Inner cover 27a Inner cover upper member 27b Inner cover lower member 29 Sealing means 31 Water supply means 32 Water supply path 33 Water supply connection part 34 Water supply port 35 Inner lid water supply route (water supply route)

Claims (4)

A housing having a first opening, a door covering the first opening, and a door disposed inside the door so as to be movable in the front-rear direction and second upward A cleaning tank having an opening; an inner lid provided in the housing for opening and closing the second opening; and a water supply means for supplying water to the cleaning tank, from the water supply means via the inner lid A dishwasher configured to supply water to the washing tank. The dishwasher according to claim 1, wherein a water supply path is provided in the inner lid, and water supply means is connected to the water supply path. The inner lid has a sealing means for closing the second opening substantially watertight on the lower surface, a water supply connecting part connected to the water supply means at the rear, and water supply provided to the cleaning tank and provided inside the sealing means The dishwasher according to claim 1 or 2, further comprising a mouth. The water supply port is disposed at a front portion of the inner lid, and is formed so as to be positioned inside the second opening of the cleaning tank in a state where the cleaning tank is pulled out from the housing. A dishwasher according to item 1.

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